diff options
Diffstat (limited to 'src/core')
208 files changed, 5845 insertions, 4144 deletions
diff --git a/src/core/ext/README.md b/src/core/ext/README.md new file mode 100644 index 0000000000..0812b20823 --- /dev/null +++ b/src/core/ext/README.md @@ -0,0 +1,5 @@ +Optional plugins for gRPC Core: Modules in this directory extend gRPC Core in +useful ways. All optional code belongs here. + +NOTE: The movement of code between lib and ext is an ongoing effort, so this +directory currently contains too much of the core library. diff --git a/src/core/ext/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c index 397dbc40a8..8e4d4732b8 100644 --- a/src/core/ext/census/grpc_filter.c +++ b/src/core/ext/census/grpc_filter.c @@ -154,7 +154,8 @@ static grpc_error *server_init_call_elem(grpc_exec_ctx *exec_ctx, memset(d, 0, sizeof(*d)); d->start_ts = args->start_time; /* TODO(hongyu): call census_tracing_start_op here. */ - grpc_closure_init(&d->finish_recv, server_on_done_recv, elem); + grpc_closure_init(&d->finish_recv, server_on_done_recv, elem, + grpc_schedule_on_exec_ctx); return GRPC_ERROR_NONE; } @@ -167,11 +168,12 @@ static void server_destroy_call_elem(grpc_exec_ctx *exec_ctx, /* TODO(hongyu): record rpc server stats and census_tracing_end_op here */ } -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *chand = elem->channel_data; GPR_ASSERT(chand != NULL); + return GRPC_ERROR_NONE; } static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, diff --git a/src/core/ext/census/grpc_plugin.c b/src/core/ext/census/grpc_plugin.c index e43ceafd0c..c9fe453af8 100644 --- a/src/core/ext/census/grpc_plugin.c +++ b/src/core/ext/census/grpc_plugin.c @@ -51,7 +51,8 @@ static bool is_census_enabled(const grpc_channel_args *a) { return census_enabled(); } -static bool maybe_add_census_filter(grpc_channel_stack_builder *builder, +static bool maybe_add_census_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { const grpc_channel_args *args = grpc_channel_stack_builder_get_channel_arguments(builder); diff --git a/src/core/ext/census/tracing.c b/src/core/ext/census/tracing.c index 8f0e12296d..9371fffc8d 100644 --- a/src/core/ext/census/tracing.c +++ b/src/core/ext/census/tracing.c @@ -34,16 +34,18 @@ //#include "src/core/ext/census/tracing.h" #include <grpc/census.h> +#include <stdlib.h> /* TODO(aveitch): These are all placeholder implementations. */ -// int census_trace_mask(const census_context *context) { -// return CENSUS_TRACE_MASK_NONE; -// } +int census_trace_mask(const census_context *context) { + abort(); + return CENSUS_TRACE_MASK_NONE; +} -// void census_set_trace_mask(int trace_mask) {} +void census_set_trace_mask(int trace_mask) { abort(); } -// void census_trace_print(census_context *context, uint32_t type, -// const char *buffer, size_t n) {} - -// void SetTracerParams(const Params& params); +void census_trace_print(census_context *context, uint32_t type, + const char *buffer, size_t n) { + abort(); +} diff --git a/src/core/ext/client_channel/channel_connectivity.c b/src/core/ext/client_channel/channel_connectivity.c index 9797e66564..dd70bc2c6c 100644 --- a/src/core/ext/client_channel/channel_connectivity.c +++ b/src/core/ext/client_channel/channel_connectivity.c @@ -76,6 +76,7 @@ typedef struct { gpr_mu mu; callback_phase phase; grpc_closure on_complete; + grpc_closure on_timeout; grpc_timer alarm; grpc_connectivity_state state; grpc_completion_queue *cq; @@ -198,7 +199,10 @@ void grpc_channel_watch_connectivity_state( grpc_cq_begin_op(cq, tag); gpr_mu_init(&w->mu); - grpc_closure_init(&w->on_complete, watch_complete, w); + grpc_closure_init(&w->on_complete, watch_complete, w, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&w->on_timeout, timeout_complete, w, + grpc_schedule_on_exec_ctx); w->phase = WAITING; w->state = last_observed_state; w->cq = cq; @@ -207,7 +211,7 @@ void grpc_channel_watch_connectivity_state( grpc_timer_init(&exec_ctx, &w->alarm, gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - timeout_complete, w, gpr_now(GPR_CLOCK_MONOTONIC)); + &w->on_timeout, gpr_now(GPR_CLOCK_MONOTONIC)); if (client_channel_elem->filter == &grpc_client_channel_filter) { GRPC_CHANNEL_INTERNAL_REF(channel, "watch_channel_connectivity"); diff --git a/src/core/ext/client_channel/client_channel.c b/src/core/ext/client_channel/client_channel.c index 17ffc0f455..2f25fef9a7 100644 --- a/src/core/ext/client_channel/client_channel.c +++ b/src/core/ext/client_channel/client_channel.c @@ -44,6 +44,7 @@ #include <grpc/support/useful.h> #include "src/core/ext/client_channel/lb_policy_registry.h" +#include "src/core/ext/client_channel/resolver_registry.h" #include "src/core/ext/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" @@ -82,8 +83,12 @@ static void *method_parameters_copy(void *value) { return new_value; } +static void method_parameters_free(grpc_exec_ctx *exec_ctx, void *p) { + gpr_free(p); +} + static const grpc_mdstr_hash_table_vtable method_parameters_vtable = { - gpr_free, method_parameters_copy}; + method_parameters_free, method_parameters_copy}; static void *method_parameters_create_from_json(const grpc_json *json) { wait_for_ready_value wait_for_ready = WAIT_FOR_READY_UNSET; @@ -248,7 +253,8 @@ static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand, GRPC_CHANNEL_STACK_REF(chand->owning_stack, "watch_lb_policy"); w->chand = chand; - grpc_closure_init(&w->on_changed, on_lb_policy_state_changed, w); + grpc_closure_init(&w->on_changed, on_lb_policy_state_changed, w, + grpc_schedule_on_exec_ctx); w->state = current_state; w->lb_policy = lb_policy; grpc_lb_policy_notify_on_state_change(exec_ctx, lb_policy, &w->state, @@ -326,7 +332,7 @@ static void on_resolver_result_changed(grpc_exec_ctx *exec_ctx, void *arg, grpc_service_config_create(service_config_json); if (service_config != NULL) { method_params_table = grpc_service_config_create_method_config_table( - service_config, method_parameters_create_from_json, + exec_ctx, service_config, method_parameters_create_from_json, &method_parameters_vtable); grpc_service_config_destroy(service_config); } @@ -335,7 +341,7 @@ static void on_resolver_result_changed(grpc_exec_ctx *exec_ctx, void *arg, // be pointing to data inside chand->resolver_result. // The copy will be saved in chand->lb_policy_name below. lb_policy_name = gpr_strdup(lb_policy_name); - grpc_channel_args_destroy(chand->resolver_result); + grpc_channel_args_destroy(exec_ctx, chand->resolver_result); chand->resolver_result = NULL; } @@ -356,18 +362,16 @@ static void on_resolver_result_changed(grpc_exec_ctx *exec_ctx, void *arg, chand->service_config_json = service_config_json; } if (chand->method_params_table != NULL) { - grpc_mdstr_hash_table_unref(chand->method_params_table); + grpc_mdstr_hash_table_unref(exec_ctx, chand->method_params_table); } chand->method_params_table = method_params_table; if (lb_policy != NULL) { - grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures, - NULL); + grpc_closure_list_sched(exec_ctx, &chand->waiting_for_config_closures); } else if (chand->resolver == NULL /* disconnected */) { grpc_closure_list_fail_all( &chand->waiting_for_config_closures, GRPC_ERROR_CREATE_REFERENCING("Channel disconnected", &error, 1)); - grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures, - NULL); + grpc_closure_list_sched(exec_ctx, &chand->waiting_for_config_closures); } if (lb_policy != NULL && chand->exit_idle_when_lb_policy_arrives) { GRPC_LB_POLICY_REF(lb_policy, "exit_idle"); @@ -424,7 +428,7 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport_op *op) { channel_data *chand = elem->channel_data; - grpc_exec_ctx_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE); GPR_ASSERT(op->set_accept_stream == false); if (op->bind_pollset != NULL) { @@ -443,9 +447,8 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx, if (op->send_ping != NULL) { if (chand->lb_policy == NULL) { - grpc_exec_ctx_sched(exec_ctx, op->send_ping, - GRPC_ERROR_CREATE("Ping with no load balancing"), - NULL); + grpc_closure_sched(exec_ctx, op->send_ping, + GRPC_ERROR_CREATE("Ping with no load balancing")); } else { grpc_lb_policy_ping_one(exec_ctx, chand->lb_policy, op->send_ping); op->bind_pollset = NULL; @@ -464,8 +467,7 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx, if (!chand->started_resolving) { grpc_closure_list_fail_all(&chand->waiting_for_config_closures, GRPC_ERROR_REF(op->disconnect_with_error)); - grpc_exec_ctx_enqueue_list(exec_ctx, - &chand->waiting_for_config_closures, NULL); + grpc_closure_list_sched(exec_ctx, &chand->waiting_for_config_closures); } if (chand->lb_policy != NULL) { grpc_pollset_set_del_pollset_set(exec_ctx, @@ -499,24 +501,40 @@ static void cc_get_channel_info(grpc_exec_ctx *exec_ctx, } /* Constructor for channel_data */ -static void cc_init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *cc_init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *chand = elem->channel_data; - memset(chand, 0, sizeof(*chand)); - GPR_ASSERT(args->is_last); GPR_ASSERT(elem->filter == &grpc_client_channel_filter); - + // Initialize data members. gpr_mu_init(&chand->mu); - grpc_closure_init(&chand->on_resolver_result_changed, - on_resolver_result_changed, chand); chand->owning_stack = args->channel_stack; - + grpc_closure_init(&chand->on_resolver_result_changed, + on_resolver_result_changed, chand, + grpc_schedule_on_exec_ctx); + chand->interested_parties = grpc_pollset_set_create(); grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE, "client_channel"); - chand->interested_parties = grpc_pollset_set_create(); + // Record client channel factory. + const grpc_arg *arg = grpc_channel_args_find(args->channel_args, + GRPC_ARG_CLIENT_CHANNEL_FACTORY); + GPR_ASSERT(arg != NULL); + GPR_ASSERT(arg->type == GRPC_ARG_POINTER); + grpc_client_channel_factory_ref(arg->value.pointer.p); + chand->client_channel_factory = arg->value.pointer.p; + // Instantiate resolver. + arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVER_URI); + GPR_ASSERT(arg != NULL); + GPR_ASSERT(arg->type == GRPC_ARG_STRING); + chand->resolver = + grpc_resolver_create(exec_ctx, arg->value.string, args->channel_args, + chand->interested_parties); + if (chand->resolver == NULL) { + return GRPC_ERROR_CREATE("resolver creation failed"); + } + return GRPC_ERROR_NONE; } /* Destructor for channel_data */ @@ -540,7 +558,7 @@ static void cc_destroy_channel_elem(grpc_exec_ctx *exec_ctx, gpr_free(chand->lb_policy_name); gpr_free(chand->service_config_json); if (chand->method_params_table != NULL) { - grpc_mdstr_hash_table_unref(chand->method_params_table); + grpc_mdstr_hash_table_unref(exec_ctx, chand->method_params_table); } grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker); grpc_pollset_set_destroy(chand->interested_parties); @@ -662,8 +680,9 @@ static void retry_waiting_locked(grpc_exec_ctx *exec_ctx, call_data *calld) { calld->waiting_ops_count = 0; calld->waiting_ops_capacity = 0; GRPC_SUBCHANNEL_CALL_REF(a->call, "retry_ops"); - grpc_exec_ctx_sched(exec_ctx, grpc_closure_create(retry_ops, a), - GRPC_ERROR_NONE, NULL); + grpc_closure_sched( + exec_ctx, grpc_closure_create(retry_ops, a, grpc_schedule_on_exec_ctx), + GRPC_ERROR_NONE); } static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, @@ -683,9 +702,15 @@ static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, "Failed to create subchannel", &error, 1)); } else if (GET_CALL(calld) == CANCELLED_CALL) { /* already cancelled before subchannel became ready */ - fail_locked(exec_ctx, calld, - GRPC_ERROR_CREATE_REFERENCING( - "Cancelled before creating subchannel", &error, 1)); + grpc_error *cancellation_error = GRPC_ERROR_CREATE_REFERENCING( + "Cancelled before creating subchannel", &error, 1); + /* if due to deadline, attach the deadline exceeded status to the error */ + if (gpr_time_cmp(calld->deadline, gpr_now(GPR_CLOCK_MONOTONIC)) < 0) { + cancellation_error = + grpc_error_set_int(cancellation_error, GRPC_ERROR_INT_GRPC_STATUS, + GRPC_STATUS_DEADLINE_EXCEEDED); + } + fail_locked(exec_ctx, calld, cancellation_error); } else { /* Create call on subchannel. */ grpc_subchannel_call *subchannel_call = NULL; @@ -739,14 +764,14 @@ static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, if (cpa->connected_subchannel == NULL) { /* cancelled, do nothing */ } else if (error != GRPC_ERROR_NONE) { - grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_REF(error), NULL); + grpc_closure_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_REF(error)); } else { call_data *calld = cpa->elem->call_data; gpr_mu_lock(&calld->mu); if (pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata, cpa->initial_metadata_flags, cpa->connected_subchannel, cpa->on_ready, GRPC_ERROR_NONE)) { - grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_NONE); } gpr_mu_unlock(&calld->mu); } @@ -778,9 +803,9 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, cpa = closure->cb_arg; if (cpa->connected_subchannel == connected_subchannel) { cpa->connected_subchannel = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, cpa->on_ready, - GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1)); } } gpr_mu_unlock(&chand->mu); @@ -809,7 +834,6 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, initial_metadata_flags &= ~GRPC_INITIAL_METADATA_WAIT_FOR_READY; } } - // TODO(dgq): make this deadline configurable somehow. const grpc_lb_policy_pick_args inputs = { initial_metadata, initial_metadata_flags, &calld->lb_token_mdelem, gpr_inf_future(GPR_CLOCK_MONOTONIC)}; @@ -832,12 +856,12 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, cpa->connected_subchannel = connected_subchannel; cpa->on_ready = on_ready; cpa->elem = elem; - grpc_closure_init(&cpa->closure, continue_picking, cpa); + grpc_closure_init(&cpa->closure, continue_picking, cpa, + grpc_schedule_on_exec_ctx); grpc_closure_list_append(&chand->waiting_for_config_closures, &cpa->closure, GRPC_ERROR_NONE); } else { - grpc_exec_ctx_sched(exec_ctx, on_ready, GRPC_ERROR_CREATE("Disconnected"), - NULL); + grpc_closure_sched(exec_ctx, on_ready, GRPC_ERROR_CREATE("Disconnected")); } gpr_mu_unlock(&chand->mu); @@ -922,7 +946,8 @@ retry: calld->connected_subchannel == NULL && op->send_initial_metadata != NULL) { calld->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL; - grpc_closure_init(&calld->next_step, subchannel_ready, elem); + grpc_closure_init(&calld->next_step, subchannel_ready, elem, + grpc_schedule_on_exec_ctx); GRPC_CALL_STACK_REF(calld->owning_call, "pick_subchannel"); /* If a subchannel is not available immediately, the polling entity from call_data should be provided to channel_data's interested_parties, so @@ -980,8 +1005,8 @@ static void read_service_config(grpc_exec_ctx *exec_ctx, void *arg, gpr_mu_unlock(&chand->mu); // If the method config table was present, use it. if (method_params_table != NULL) { - const method_parameters *method_params = - grpc_method_config_table_get(method_params_table, calld->path); + const method_parameters *method_params = grpc_method_config_table_get( + exec_ctx, method_params_table, calld->path); if (method_params != NULL) { const bool have_method_timeout = gpr_time_cmp(method_params->timeout, gpr_time_0(GPR_TIMESPAN)) != 0; @@ -1004,7 +1029,7 @@ static void read_service_config(grpc_exec_ctx *exec_ctx, void *arg, gpr_mu_unlock(&calld->mu); } } - grpc_mdstr_hash_table_unref(method_params_table); + grpc_mdstr_hash_table_unref(exec_ctx, method_params_table); } } GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, "read_service_config"); @@ -1045,8 +1070,8 @@ static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_mdstr_hash_table *method_params_table = grpc_mdstr_hash_table_ref(chand->method_params_table); gpr_mu_unlock(&chand->mu); - method_parameters *method_params = - grpc_method_config_table_get(method_params_table, args->path); + method_parameters *method_params = grpc_method_config_table_get( + exec_ctx, method_params_table, args->path); if (method_params != NULL) { if (gpr_time_cmp(method_params->timeout, gpr_time_0(GPR_CLOCK_MONOTONIC)) != 0) { @@ -1059,7 +1084,7 @@ static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx, method_params->wait_for_ready; } } - grpc_mdstr_hash_table_unref(method_params_table); + grpc_mdstr_hash_table_unref(exec_ctx, method_params_table); } else { gpr_mu_unlock(&chand->mu); } @@ -1068,7 +1093,8 @@ static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx, // get the service config data once the resolver returns. // Take a reference to the call stack to be owned by the callback. GRPC_CALL_STACK_REF(calld->owning_call, "read_service_config"); - grpc_closure_init(&calld->read_service_config, read_service_config, elem); + grpc_closure_init(&calld->read_service_config, read_service_config, elem, + grpc_schedule_on_exec_ctx); grpc_closure_list_append(&chand->waiting_for_config_closures, &calld->read_service_config, GRPC_ERROR_NONE); gpr_mu_unlock(&chand->mu); @@ -1087,7 +1113,7 @@ static void cc_destroy_call_elem(grpc_exec_ctx *exec_ctx, void *and_free_memory) { call_data *calld = elem->call_data; grpc_deadline_state_destroy(exec_ctx, elem); - GRPC_MDSTR_UNREF(calld->path); + GRPC_MDSTR_UNREF(exec_ctx, calld->path); GRPC_ERROR_UNREF(calld->cancel_error); grpc_subchannel_call *call = GET_CALL(calld); if (call != NULL && call != CANCELLED_CALL) { @@ -1130,29 +1156,6 @@ const grpc_channel_filter grpc_client_channel_filter = { "client-channel", }; -void grpc_client_channel_finish_initialization( - grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack, - grpc_resolver *resolver, - grpc_client_channel_factory *client_channel_factory) { - /* post construction initialization: set the transport setup pointer */ - GPR_ASSERT(client_channel_factory != NULL); - grpc_channel_element *elem = grpc_channel_stack_last_element(channel_stack); - channel_data *chand = elem->channel_data; - gpr_mu_lock(&chand->mu); - GPR_ASSERT(!chand->resolver); - chand->resolver = resolver; - grpc_pollset_set_add_pollset_set(exec_ctx, resolver->pollset_set, - chand->interested_parties); - GRPC_RESOLVER_REF(resolver, "channel"); - - GPR_ASSERT(grpc_closure_list_empty(chand->waiting_for_config_closures)); - GPR_ASSERT(!chand->exit_idle_when_lb_policy_arrives); - - chand->client_channel_factory = client_channel_factory; - grpc_client_channel_factory_ref(client_channel_factory); - gpr_mu_unlock(&chand->mu); -} - grpc_connectivity_state grpc_client_channel_check_connectivity_state( grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect) { channel_data *chand = elem->channel_data; @@ -1204,7 +1207,8 @@ void grpc_client_channel_watch_connectivity_state( w->pollset = pollset; w->on_complete = on_complete; grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties, pollset); - grpc_closure_init(&w->my_closure, on_external_watch_complete, w); + grpc_closure_init(&w->my_closure, on_external_watch_complete, w, + grpc_schedule_on_exec_ctx); GRPC_CHANNEL_STACK_REF(w->chand->owning_stack, "external_connectivity_watcher"); gpr_mu_lock(&chand->mu); diff --git a/src/core/ext/client_channel/client_channel.h b/src/core/ext/client_channel/client_channel.h index ab5a84fdfb..f02587d0c1 100644 --- a/src/core/ext/client_channel/client_channel.h +++ b/src/core/ext/client_channel/client_channel.h @@ -38,6 +38,9 @@ #include "src/core/ext/client_channel/resolver.h" #include "src/core/lib/channel/channel_stack.h" +// Channel arg key for server URI string. +#define GRPC_ARG_SERVER_URI "grpc.server_uri" + /* A client channel is a channel that begins disconnected, and can connect to some endpoint on demand. If that endpoint disconnects, it will be connected to again later. @@ -47,13 +50,6 @@ extern const grpc_channel_filter grpc_client_channel_filter; -/* Post-construction initializer to give the client channel its resolver - and factory. */ -void grpc_client_channel_finish_initialization( - grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack, - grpc_resolver *resolver, - grpc_client_channel_factory *client_channel_factory); - grpc_connectivity_state grpc_client_channel_check_connectivity_state( grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect); diff --git a/src/core/ext/client_channel/client_channel_factory.c b/src/core/ext/client_channel/client_channel_factory.c index 4900832d57..d2707a1556 100644 --- a/src/core/ext/client_channel/client_channel_factory.c +++ b/src/core/ext/client_channel/client_channel_factory.c @@ -55,3 +55,33 @@ grpc_channel* grpc_client_channel_factory_create_channel( return factory->vtable->create_client_channel(exec_ctx, factory, target, type, args); } + +static void* factory_arg_copy(void* factory) { + grpc_client_channel_factory_ref(factory); + return factory; +} + +static void factory_arg_destroy(grpc_exec_ctx* exec_ctx, void* factory) { + // TODO(roth): Remove local exec_ctx when + // https://github.com/grpc/grpc/pull/8705 is merged. + grpc_client_channel_factory_unref(exec_ctx, factory); +} + +static int factory_arg_cmp(void* factory1, void* factory2) { + if (factory1 < factory2) return -1; + if (factory1 > factory2) return 1; + return 0; +} + +static const grpc_arg_pointer_vtable factory_arg_vtable = { + factory_arg_copy, factory_arg_destroy, factory_arg_cmp}; + +grpc_arg grpc_client_channel_factory_create_channel_arg( + grpc_client_channel_factory* factory) { + grpc_arg arg; + arg.type = GRPC_ARG_POINTER; + arg.key = GRPC_ARG_CLIENT_CHANNEL_FACTORY; + arg.value.pointer.p = factory; + arg.value.pointer.vtable = &factory_arg_vtable; + return arg; +} diff --git a/src/core/ext/client_channel/client_channel_factory.h b/src/core/ext/client_channel/client_channel_factory.h index 2b8fc577b3..bf2764b537 100644 --- a/src/core/ext/client_channel/client_channel_factory.h +++ b/src/core/ext/client_channel/client_channel_factory.h @@ -39,6 +39,9 @@ #include "src/core/ext/client_channel/subchannel.h" #include "src/core/lib/channel/channel_stack.h" +// Channel arg key for client channel factory. +#define GRPC_ARG_CLIENT_CHANNEL_FACTORY "grpc.client_channel_factory" + typedef struct grpc_client_channel_factory grpc_client_channel_factory; typedef struct grpc_client_channel_factory_vtable grpc_client_channel_factory_vtable; @@ -83,4 +86,7 @@ grpc_channel *grpc_client_channel_factory_create_channel( const char *target, grpc_client_channel_type type, const grpc_channel_args *args); +grpc_arg grpc_client_channel_factory_create_channel_arg( + grpc_client_channel_factory *factory); + #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H */ diff --git a/src/core/ext/client_channel/client_channel_plugin.c b/src/core/ext/client_channel/client_channel_plugin.c index a3e5079843..d50bba60f6 100644 --- a/src/core/ext/client_channel/client_channel_plugin.c +++ b/src/core/ext/client_channel/client_channel_plugin.c @@ -38,17 +38,20 @@ #include <grpc/support/alloc.h> #include "src/core/ext/client_channel/client_channel.h" +#include "src/core/ext/client_channel/http_connect_handshaker.h" #include "src/core/ext/client_channel/lb_policy_registry.h" #include "src/core/ext/client_channel/resolver_registry.h" #include "src/core/ext/client_channel/subchannel_index.h" #include "src/core/lib/surface/channel_init.h" -static bool append_filter(grpc_channel_stack_builder *builder, void *arg) { +static bool append_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { return grpc_channel_stack_builder_append_filter( builder, (const grpc_channel_filter *)arg, NULL, NULL); } -static bool set_default_host_if_unset(grpc_channel_stack_builder *builder, +static bool set_default_host_if_unset(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *unused) { const grpc_channel_args *args = grpc_channel_stack_builder_get_channel_arguments(builder); @@ -66,9 +69,10 @@ static bool set_default_host_if_unset(grpc_channel_stack_builder *builder, arg.key = GRPC_ARG_DEFAULT_AUTHORITY; arg.value.string = default_authority; grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); - grpc_channel_stack_builder_set_channel_arguments(builder, new_args); + grpc_channel_stack_builder_set_channel_arguments(exec_ctx, builder, + new_args); gpr_free(default_authority); - grpc_channel_args_destroy(new_args); + grpc_channel_args_destroy(exec_ctx, new_args); } return true; } @@ -81,6 +85,7 @@ void grpc_client_channel_init(void) { set_default_host_if_unset, NULL); grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter, (void *)&grpc_client_channel_filter); + grpc_http_connect_register_handshaker_factory(); } void grpc_client_channel_shutdown(void) { diff --git a/src/core/ext/client_channel/connector.h b/src/core/ext/client_channel/connector.h index 3de061620e..395f89b3b2 100644 --- a/src/core/ext/client_channel/connector.h +++ b/src/core/ext/client_channel/connector.h @@ -48,9 +48,6 @@ struct grpc_connector { typedef struct { /** set of pollsets interested in this connection */ grpc_pollset_set *interested_parties; - /** address to connect to */ - const grpc_resolved_address *addr; - size_t addr_len; /** initial connect string to send */ grpc_slice initial_connect_string; /** deadline for connection */ diff --git a/src/core/ext/client_channel/http_connect_handshaker.c b/src/core/ext/client_channel/http_connect_handshaker.c index 82042897b2..fba32561ac 100644 --- a/src/core/ext/client_channel/http_connect_handshaker.c +++ b/src/core/ext/client_channel/http_connect_handshaker.c @@ -40,10 +40,14 @@ #include <grpc/support/log.h> #include <grpc/support/string_util.h> +#include "src/core/ext/client_channel/client_channel.h" +#include "src/core/ext/client_channel/resolver_registry.h" #include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker_registry.h" #include "src/core/lib/http/format_request.h" #include "src/core/lib/http/parser.h" -#include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/env.h" typedef struct http_connect_handshaker { @@ -51,60 +55,113 @@ typedef struct http_connect_handshaker { grpc_handshaker base; char* proxy_server; - char* server_name; + grpc_http_header* headers; + size_t num_headers; + + gpr_refcount refcount; + gpr_mu mu; + + bool shutdown; + // Endpoint and read buffer to destroy after a shutdown. + grpc_endpoint* endpoint_to_destroy; + grpc_slice_buffer* read_buffer_to_destroy; // State saved while performing the handshake. - grpc_endpoint* endpoint; - grpc_channel_args* args; - grpc_handshaker_done_cb cb; - void* user_data; + grpc_handshaker_args* args; + grpc_closure* on_handshake_done; // Objects for processing the HTTP CONNECT request and response. grpc_slice_buffer write_buffer; - grpc_slice_buffer* read_buffer; // Ownership passes through this object. grpc_closure request_done_closure; grpc_closure response_read_closure; grpc_http_parser http_parser; grpc_http_response http_response; - grpc_timer timeout_timer; - - gpr_refcount refcount; } http_connect_handshaker; // Unref and clean up handshaker. -static void http_connect_handshaker_unref(http_connect_handshaker* handshaker) { +static void http_connect_handshaker_unref(grpc_exec_ctx* exec_ctx, + http_connect_handshaker* handshaker) { if (gpr_unref(&handshaker->refcount)) { + gpr_mu_destroy(&handshaker->mu); + if (handshaker->endpoint_to_destroy != NULL) { + grpc_endpoint_destroy(exec_ctx, handshaker->endpoint_to_destroy); + } + if (handshaker->read_buffer_to_destroy != NULL) { + grpc_slice_buffer_destroy_internal(exec_ctx, + handshaker->read_buffer_to_destroy); + gpr_free(handshaker->read_buffer_to_destroy); + } gpr_free(handshaker->proxy_server); - gpr_free(handshaker->server_name); - grpc_slice_buffer_destroy(&handshaker->write_buffer); + for (size_t i = 0; i < handshaker->num_headers; ++i) { + gpr_free(handshaker->headers[i].key); + gpr_free(handshaker->headers[i].value); + } + gpr_free(handshaker->headers); + grpc_slice_buffer_destroy_internal(exec_ctx, &handshaker->write_buffer); grpc_http_parser_destroy(&handshaker->http_parser); grpc_http_response_destroy(&handshaker->http_response); gpr_free(handshaker); } } -// Callback invoked when deadline is exceeded. -static void on_timeout(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { - http_connect_handshaker* handshaker = arg; - if (error == GRPC_ERROR_NONE) { // Timer fired, rather than being cancelled. - grpc_endpoint_shutdown(exec_ctx, handshaker->endpoint); +// Set args fields to NULL, saving the endpoint and read buffer for +// later destruction. +static void cleanup_args_for_failure_locked( + grpc_exec_ctx* exec_ctx, http_connect_handshaker* handshaker) { + handshaker->endpoint_to_destroy = handshaker->args->endpoint; + handshaker->args->endpoint = NULL; + handshaker->read_buffer_to_destroy = handshaker->args->read_buffer; + handshaker->args->read_buffer = NULL; + grpc_channel_args_destroy(exec_ctx, handshaker->args->args); + handshaker->args->args = NULL; +} + +// If the handshake failed or we're shutting down, clean up and invoke the +// callback with the error. +static void handshake_failed_locked(grpc_exec_ctx* exec_ctx, + http_connect_handshaker* handshaker, + grpc_error* error) { + if (error == GRPC_ERROR_NONE) { + // If we were shut down after an endpoint operation succeeded but + // before the endpoint callback was invoked, we need to generate our + // own error. + error = GRPC_ERROR_CREATE("Handshaker shutdown"); + } + if (!handshaker->shutdown) { + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, handshaker->args->endpoint); + // Not shutting down, so the handshake failed. Clean up before + // invoking the callback. + cleanup_args_for_failure_locked(exec_ctx, handshaker); + // Set shutdown to true so that subsequent calls to + // http_connect_handshaker_shutdown() do nothing. + handshaker->shutdown = true; } - http_connect_handshaker_unref(handshaker); + // Invoke callback. + grpc_closure_sched(exec_ctx, handshaker->on_handshake_done, error); } // Callback invoked when finished writing HTTP CONNECT request. static void on_write_done(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { http_connect_handshaker* handshaker = arg; - if (error != GRPC_ERROR_NONE) { - // If the write failed, invoke the callback immediately with the error. - handshaker->cb(exec_ctx, handshaker->endpoint, handshaker->args, - handshaker->read_buffer, handshaker->user_data, - GRPC_ERROR_REF(error)); + gpr_mu_lock(&handshaker->mu); + if (error != GRPC_ERROR_NONE || handshaker->shutdown) { + // If the write failed or we're shutting down, clean up and invoke the + // callback with the error. + handshake_failed_locked(exec_ctx, handshaker, GRPC_ERROR_REF(error)); + gpr_mu_unlock(&handshaker->mu); + http_connect_handshaker_unref(exec_ctx, handshaker); } else { // Otherwise, read the response. - grpc_endpoint_read(exec_ctx, handshaker->endpoint, handshaker->read_buffer, + // The read callback inherits our ref to the handshaker. + grpc_endpoint_read(exec_ctx, handshaker->args->endpoint, + handshaker->args->read_buffer, &handshaker->response_read_closure); + gpr_mu_unlock(&handshaker->mu); } } @@ -112,37 +169,41 @@ static void on_write_done(grpc_exec_ctx* exec_ctx, void* arg, static void on_read_done(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { http_connect_handshaker* handshaker = arg; - if (error != GRPC_ERROR_NONE) { - GRPC_ERROR_REF(error); // Take ref to pass to the handshake-done callback. + gpr_mu_lock(&handshaker->mu); + if (error != GRPC_ERROR_NONE || handshaker->shutdown) { + // If the read failed or we're shutting down, clean up and invoke the + // callback with the error. + handshake_failed_locked(exec_ctx, handshaker, GRPC_ERROR_REF(error)); goto done; } // Add buffer to parser. - for (size_t i = 0; i < handshaker->read_buffer->count; ++i) { - if (GRPC_SLICE_LENGTH(handshaker->read_buffer->slices[i]) > 0) { + for (size_t i = 0; i < handshaker->args->read_buffer->count; ++i) { + if (GRPC_SLICE_LENGTH(handshaker->args->read_buffer->slices[i]) > 0) { size_t body_start_offset = 0; error = grpc_http_parser_parse(&handshaker->http_parser, - handshaker->read_buffer->slices[i], + handshaker->args->read_buffer->slices[i], &body_start_offset); - if (error != GRPC_ERROR_NONE) goto done; + if (error != GRPC_ERROR_NONE) { + handshake_failed_locked(exec_ctx, handshaker, error); + goto done; + } if (handshaker->http_parser.state == GRPC_HTTP_BODY) { - // We've gotten back a successul response, so stop the timeout timer. - grpc_timer_cancel(exec_ctx, &handshaker->timeout_timer); // Remove the data we've already read from the read buffer, // leaving only the leftover bytes (if any). grpc_slice_buffer tmp_buffer; grpc_slice_buffer_init(&tmp_buffer); if (body_start_offset < - GRPC_SLICE_LENGTH(handshaker->read_buffer->slices[i])) { + GRPC_SLICE_LENGTH(handshaker->args->read_buffer->slices[i])) { grpc_slice_buffer_add( &tmp_buffer, - grpc_slice_split_tail(&handshaker->read_buffer->slices[i], + grpc_slice_split_tail(&handshaker->args->read_buffer->slices[i], body_start_offset)); } grpc_slice_buffer_addn(&tmp_buffer, - &handshaker->read_buffer->slices[i + 1], - handshaker->read_buffer->count - i - 1); - grpc_slice_buffer_swap(handshaker->read_buffer, &tmp_buffer); - grpc_slice_buffer_destroy(&tmp_buffer); + &handshaker->args->read_buffer->slices[i + 1], + handshaker->args->read_buffer->count - i - 1); + grpc_slice_buffer_swap(handshaker->args->read_buffer, &tmp_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &tmp_buffer); break; } } @@ -159,9 +220,12 @@ static void on_read_done(grpc_exec_ctx* exec_ctx, void* arg, // complete (e.g., handling chunked transfer encoding or looking // at the Content-Length: header). if (handshaker->http_parser.state != GRPC_HTTP_BODY) { - grpc_slice_buffer_reset_and_unref(handshaker->read_buffer); - grpc_endpoint_read(exec_ctx, handshaker->endpoint, handshaker->read_buffer, + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, + handshaker->args->read_buffer); + grpc_endpoint_read(exec_ctx, handshaker->args->endpoint, + handshaker->args->read_buffer, &handshaker->response_read_closure); + gpr_mu_unlock(&handshaker->mu); return; } // Make sure we got a 2xx response. @@ -172,11 +236,17 @@ static void on_read_done(grpc_exec_ctx* exec_ctx, void* arg, handshaker->http_response.status); error = GRPC_ERROR_CREATE(msg); gpr_free(msg); + handshake_failed_locked(exec_ctx, handshaker, error); + goto done; } + // Success. Invoke handshake-done callback. + grpc_closure_sched(exec_ctx, handshaker->on_handshake_done, error); done: - // Invoke handshake-done callback. - handshaker->cb(exec_ctx, handshaker->endpoint, handshaker->args, - handshaker->read_buffer, handshaker->user_data, error); + // Set shutdown to true so that subsequent calls to + // http_connect_handshaker_shutdown() do nothing. + handshaker->shutdown = true; + gpr_mu_unlock(&handshaker->mu); + http_connect_handshaker_unref(exec_ctx, handshaker); } // @@ -186,67 +256,91 @@ done: static void http_connect_handshaker_destroy(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker_in) { http_connect_handshaker* handshaker = (http_connect_handshaker*)handshaker_in; - http_connect_handshaker_unref(handshaker); + http_connect_handshaker_unref(exec_ctx, handshaker); } static void http_connect_handshaker_shutdown(grpc_exec_ctx* exec_ctx, - grpc_handshaker* handshaker) {} + grpc_handshaker* handshaker_in) { + http_connect_handshaker* handshaker = (http_connect_handshaker*)handshaker_in; + gpr_mu_lock(&handshaker->mu); + if (!handshaker->shutdown) { + handshaker->shutdown = true; + grpc_endpoint_shutdown(exec_ctx, handshaker->args->endpoint); + cleanup_args_for_failure_locked(exec_ctx, handshaker); + } + gpr_mu_unlock(&handshaker->mu); +} static void http_connect_handshaker_do_handshake( grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker_in, - grpc_endpoint* endpoint, grpc_channel_args* args, - grpc_slice_buffer* read_buffer, gpr_timespec deadline, - grpc_tcp_server_acceptor* acceptor, grpc_handshaker_done_cb cb, - void* user_data) { + grpc_tcp_server_acceptor* acceptor, grpc_closure* on_handshake_done, + grpc_handshaker_args* args) { http_connect_handshaker* handshaker = (http_connect_handshaker*)handshaker_in; + // Get server name from channel args. + const grpc_arg* arg = grpc_channel_args_find(args->args, GRPC_ARG_SERVER_URI); + GPR_ASSERT(arg != NULL); + GPR_ASSERT(arg->type == GRPC_ARG_STRING); + char* canonical_uri = + grpc_resolver_factory_add_default_prefix_if_needed(arg->value.string); + grpc_uri* uri = grpc_uri_parse(canonical_uri, 1); + char* server_name = uri->path; + if (server_name[0] == '/') ++server_name; // Save state in the handshaker object. - handshaker->endpoint = endpoint; + gpr_mu_lock(&handshaker->mu); handshaker->args = args; - handshaker->cb = cb; - handshaker->user_data = user_data; - handshaker->read_buffer = read_buffer; + handshaker->on_handshake_done = on_handshake_done; // Send HTTP CONNECT request. - gpr_log(GPR_INFO, "Connecting to server %s via HTTP proxy %s", - handshaker->server_name, handshaker->proxy_server); + gpr_log(GPR_INFO, "Connecting to server %s via HTTP proxy %s", server_name, + handshaker->proxy_server); grpc_httpcli_request request; memset(&request, 0, sizeof(request)); - request.host = handshaker->proxy_server; + request.host = server_name; request.http.method = "CONNECT"; - request.http.path = handshaker->server_name; + request.http.path = server_name; + request.http.hdrs = handshaker->headers; + request.http.hdr_count = handshaker->num_headers; request.handshaker = &grpc_httpcli_plaintext; grpc_slice request_slice = grpc_httpcli_format_connect_request(&request); grpc_slice_buffer_add(&handshaker->write_buffer, request_slice); - grpc_endpoint_write(exec_ctx, endpoint, &handshaker->write_buffer, - &handshaker->request_done_closure); - // Set timeout timer. The timer gets a reference to the handshaker. + // Take a new ref to be held by the write callback. gpr_ref(&handshaker->refcount); - grpc_timer_init(exec_ctx, &handshaker->timeout_timer, - gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - on_timeout, handshaker, gpr_now(GPR_CLOCK_MONOTONIC)); + grpc_endpoint_write(exec_ctx, args->endpoint, &handshaker->write_buffer, + &handshaker->request_done_closure); + gpr_mu_unlock(&handshaker->mu); + // Clean up. + gpr_free(canonical_uri); + grpc_uri_destroy(uri); } -static const struct grpc_handshaker_vtable http_connect_handshaker_vtable = { +static const grpc_handshaker_vtable http_connect_handshaker_vtable = { http_connect_handshaker_destroy, http_connect_handshaker_shutdown, http_connect_handshaker_do_handshake}; grpc_handshaker* grpc_http_connect_handshaker_create(const char* proxy_server, - const char* server_name) { + grpc_http_header* headers, + size_t num_headers) { GPR_ASSERT(proxy_server != NULL); - GPR_ASSERT(server_name != NULL); - http_connect_handshaker* handshaker = - gpr_malloc(sizeof(http_connect_handshaker)); + http_connect_handshaker* handshaker = gpr_malloc(sizeof(*handshaker)); memset(handshaker, 0, sizeof(*handshaker)); grpc_handshaker_init(&http_connect_handshaker_vtable, &handshaker->base); + gpr_mu_init(&handshaker->mu); + gpr_ref_init(&handshaker->refcount, 1); handshaker->proxy_server = gpr_strdup(proxy_server); - handshaker->server_name = gpr_strdup(server_name); + if (num_headers > 0) { + handshaker->headers = gpr_malloc(sizeof(grpc_http_header) * num_headers); + for (size_t i = 0; i < num_headers; ++i) { + handshaker->headers[i].key = gpr_strdup(headers[i].key); + handshaker->headers[i].value = gpr_strdup(headers[i].value); + } + handshaker->num_headers = num_headers; + } grpc_slice_buffer_init(&handshaker->write_buffer); grpc_closure_init(&handshaker->request_done_closure, on_write_done, - handshaker); + handshaker, grpc_schedule_on_exec_ctx); grpc_closure_init(&handshaker->response_read_closure, on_read_done, - handshaker); + handshaker, grpc_schedule_on_exec_ctx); grpc_http_parser_init(&handshaker->http_parser, GRPC_HTTP_RESPONSE, &handshaker->http_response); - gpr_ref_init(&handshaker->refcount, 1); return &handshaker->base; } @@ -273,3 +367,33 @@ done: grpc_uri_destroy(uri); return proxy_name; } + +// +// handshaker factory +// + +static void handshaker_factory_add_handshakers( + grpc_exec_ctx* exec_ctx, grpc_handshaker_factory* factory, + const grpc_channel_args* args, grpc_handshake_manager* handshake_mgr) { + char* proxy_name = grpc_get_http_proxy_server(); + if (proxy_name != NULL) { + grpc_handshake_manager_add( + handshake_mgr, + grpc_http_connect_handshaker_create(proxy_name, NULL, 0)); + gpr_free(proxy_name); + } +} + +static void handshaker_factory_destroy(grpc_exec_ctx* exec_ctx, + grpc_handshaker_factory* factory) {} + +static const grpc_handshaker_factory_vtable handshaker_factory_vtable = { + handshaker_factory_add_handshakers, handshaker_factory_destroy}; + +static grpc_handshaker_factory handshaker_factory = { + &handshaker_factory_vtable}; + +void grpc_http_connect_register_handshaker_factory() { + grpc_handshaker_factory_register(true /* at_start */, HANDSHAKER_CLIENT, + &handshaker_factory); +} diff --git a/src/core/ext/client_channel/http_connect_handshaker.h b/src/core/ext/client_channel/http_connect_handshaker.h index c689df2b2b..c2e68de716 100644 --- a/src/core/ext/client_channel/http_connect_handshaker.h +++ b/src/core/ext/client_channel/http_connect_handshaker.h @@ -35,13 +35,18 @@ #define GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H #include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/http/parser.h" -/// Does NOT take ownership of \a proxy_server or \a server_name. +/// Creates a new HTTP CONNECT handshaker. grpc_handshaker* grpc_http_connect_handshaker_create(const char* proxy_server, - const char* server_name); + grpc_http_header* headers, + size_t num_headers); /// Returns the name of the proxy to use, or NULL if no proxy is configured. /// Caller takes ownership of result. char* grpc_get_http_proxy_server(); +/// Registers handshaker factory. +void grpc_http_connect_register_handshaker_factory(); + #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H */ diff --git a/src/core/ext/client_channel/lb_policy_factory.c b/src/core/ext/client_channel/lb_policy_factory.c index 8a474c8818..7af9bb0411 100644 --- a/src/core/ext/client_channel/lb_policy_factory.c +++ b/src/core/ext/client_channel/lb_policy_factory.c @@ -112,11 +112,13 @@ int grpc_lb_addresses_cmp(const grpc_lb_addresses* addresses1, return 0; } -void grpc_lb_addresses_destroy(grpc_lb_addresses* addresses) { +void grpc_lb_addresses_destroy(grpc_exec_ctx* exec_ctx, + grpc_lb_addresses* addresses) { for (size_t i = 0; i < addresses->num_addresses; ++i) { gpr_free(addresses->addresses[i].balancer_name); if (addresses->addresses[i].user_data != NULL) { - addresses->user_data_vtable->destroy(addresses->addresses[i].user_data); + addresses->user_data_vtable->destroy(exec_ctx, + addresses->addresses[i].user_data); } } gpr_free(addresses->addresses); @@ -126,8 +128,8 @@ void grpc_lb_addresses_destroy(grpc_lb_addresses* addresses) { static void* lb_addresses_copy(void* addresses) { return grpc_lb_addresses_copy(addresses); } -static void lb_addresses_destroy(void* addresses) { - grpc_lb_addresses_destroy(addresses); +static void lb_addresses_destroy(grpc_exec_ctx* exec_ctx, void* addresses) { + grpc_lb_addresses_destroy(exec_ctx, addresses); } static int lb_addresses_cmp(void* addresses1, void* addresses2) { return grpc_lb_addresses_cmp(addresses1, addresses2); diff --git a/src/core/ext/client_channel/lb_policy_factory.h b/src/core/ext/client_channel/lb_policy_factory.h index e2b8080a32..9b8b03f982 100644 --- a/src/core/ext/client_channel/lb_policy_factory.h +++ b/src/core/ext/client_channel/lb_policy_factory.h @@ -40,6 +40,9 @@ #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/iomgr/resolve_address.h" +// Channel arg key for grpc_lb_addresses. +#define GRPC_ARG_LB_ADDRESSES "grpc.lb_addresses" + typedef struct grpc_lb_policy_factory grpc_lb_policy_factory; typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable; @@ -61,7 +64,7 @@ typedef struct grpc_lb_address { typedef struct grpc_lb_user_data_vtable { void *(*copy)(void *); - void (*destroy)(void *); + void (*destroy)(grpc_exec_ctx *exec_ctx, void *); int (*cmp)(void *, void *); } grpc_lb_user_data_vtable; @@ -93,7 +96,8 @@ int grpc_lb_addresses_cmp(const grpc_lb_addresses *addresses1, const grpc_lb_addresses *addresses2); /** Destroys \a addresses. */ -void grpc_lb_addresses_destroy(grpc_lb_addresses *addresses); +void grpc_lb_addresses_destroy(grpc_exec_ctx *exec_ctx, + grpc_lb_addresses *addresses); /** Returns a channel arg containing \a addresses. */ grpc_arg grpc_lb_addresses_create_channel_arg( diff --git a/src/core/ext/client_channel/resolver_factory.c b/src/core/ext/client_channel/resolver_factory.c index 7c3d644257..00bbb92dd0 100644 --- a/src/core/ext/client_channel/resolver_factory.c +++ b/src/core/ext/client_channel/resolver_factory.c @@ -43,9 +43,10 @@ void grpc_resolver_factory_unref(grpc_resolver_factory* factory) { /** Create a resolver instance for a name */ grpc_resolver* grpc_resolver_factory_create_resolver( - grpc_resolver_factory* factory, grpc_resolver_args* args) { + grpc_exec_ctx* exec_ctx, grpc_resolver_factory* factory, + grpc_resolver_args* args) { if (factory == NULL) return NULL; - return factory->vtable->create_resolver(factory, args); + return factory->vtable->create_resolver(exec_ctx, factory, args); } char* grpc_resolver_factory_get_default_authority( diff --git a/src/core/ext/client_channel/resolver_factory.h b/src/core/ext/client_channel/resolver_factory.h index 4da42e84d2..3792ddca18 100644 --- a/src/core/ext/client_channel/resolver_factory.h +++ b/src/core/ext/client_channel/resolver_factory.h @@ -37,6 +37,7 @@ #include "src/core/ext/client_channel/client_channel_factory.h" #include "src/core/ext/client_channel/resolver.h" #include "src/core/ext/client_channel/uri_parser.h" +#include "src/core/lib/iomgr/pollset_set.h" typedef struct grpc_resolver_factory grpc_resolver_factory; typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable; @@ -48,6 +49,7 @@ struct grpc_resolver_factory { typedef struct grpc_resolver_args { grpc_uri *uri; const grpc_channel_args *args; + grpc_pollset_set *pollset_set; } grpc_resolver_args; struct grpc_resolver_factory_vtable { @@ -55,7 +57,8 @@ struct grpc_resolver_factory_vtable { void (*unref)(grpc_resolver_factory *factory); /** Implementation of grpc_resolver_factory_create_resolver */ - grpc_resolver *(*create_resolver)(grpc_resolver_factory *factory, + grpc_resolver *(*create_resolver)(grpc_exec_ctx *exec_ctx, + grpc_resolver_factory *factory, grpc_resolver_args *args); /** Implementation of grpc_resolver_factory_get_default_authority */ @@ -70,7 +73,8 @@ void grpc_resolver_factory_unref(grpc_resolver_factory *resolver); /** Create a resolver instance for a name */ grpc_resolver *grpc_resolver_factory_create_resolver( - grpc_resolver_factory *factory, grpc_resolver_args *args); + grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, + grpc_resolver_args *args); /** Return a (freshly allocated with gpr_malloc) string representing the default authority to use for this scheme. */ diff --git a/src/core/ext/client_channel/resolver_registry.c b/src/core/ext/client_channel/resolver_registry.c index 94942069a1..8e716e8e7e 100644 --- a/src/core/ext/client_channel/resolver_registry.c +++ b/src/core/ext/client_channel/resolver_registry.c @@ -108,8 +108,8 @@ static grpc_resolver_factory *lookup_factory_by_uri(grpc_uri *uri) { } static grpc_resolver_factory *resolve_factory(const char *target, - grpc_uri **uri) { - char *tmp; + grpc_uri **uri, + char **canonical_target) { grpc_resolver_factory *factory = NULL; GPR_ASSERT(uri != NULL); @@ -117,37 +117,54 @@ static grpc_resolver_factory *resolve_factory(const char *target, factory = lookup_factory_by_uri(*uri); if (factory == NULL) { grpc_uri_destroy(*uri); - gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target); - *uri = grpc_uri_parse(tmp, 1); + gpr_asprintf(canonical_target, "%s%s", g_default_resolver_prefix, target); + *uri = grpc_uri_parse(*canonical_target, 1); factory = lookup_factory_by_uri(*uri); if (factory == NULL) { grpc_uri_destroy(grpc_uri_parse(target, 0)); - grpc_uri_destroy(grpc_uri_parse(tmp, 0)); - gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target, tmp); + grpc_uri_destroy(grpc_uri_parse(*canonical_target, 0)); + gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target, + *canonical_target); } - gpr_free(tmp); } return factory; } -grpc_resolver *grpc_resolver_create(const char *target, - const grpc_channel_args *args) { +grpc_resolver *grpc_resolver_create(grpc_exec_ctx *exec_ctx, const char *target, + const grpc_channel_args *args, + grpc_pollset_set *pollset_set) { grpc_uri *uri = NULL; - grpc_resolver_factory *factory = resolve_factory(target, &uri); + char *canonical_target = NULL; + grpc_resolver_factory *factory = + resolve_factory(target, &uri, &canonical_target); grpc_resolver *resolver; grpc_resolver_args resolver_args; memset(&resolver_args, 0, sizeof(resolver_args)); resolver_args.uri = uri; resolver_args.args = args; - resolver = grpc_resolver_factory_create_resolver(factory, &resolver_args); + resolver_args.pollset_set = pollset_set; + resolver = + grpc_resolver_factory_create_resolver(exec_ctx, factory, &resolver_args); grpc_uri_destroy(uri); + gpr_free(canonical_target); return resolver; } char *grpc_get_default_authority(const char *target) { grpc_uri *uri = NULL; - grpc_resolver_factory *factory = resolve_factory(target, &uri); + char *canonical_target = NULL; + grpc_resolver_factory *factory = + resolve_factory(target, &uri, &canonical_target); char *authority = grpc_resolver_factory_get_default_authority(factory, uri); grpc_uri_destroy(uri); + gpr_free(canonical_target); return authority; } + +char *grpc_resolver_factory_add_default_prefix_if_needed(const char *target) { + grpc_uri *uri = NULL; + char *canonical_target = NULL; + resolve_factory(target, &uri, &canonical_target); + grpc_uri_destroy(uri); + return canonical_target == NULL ? gpr_strdup(target) : canonical_target; +} diff --git a/src/core/ext/client_channel/resolver_registry.h b/src/core/ext/client_channel/resolver_registry.h index 2a95a669f0..a4606463eb 100644 --- a/src/core/ext/client_channel/resolver_registry.h +++ b/src/core/ext/client_channel/resolver_registry.h @@ -35,6 +35,7 @@ #define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H #include "src/core/ext/client_channel/resolver_factory.h" +#include "src/core/lib/iomgr/pollset_set.h" void grpc_resolver_registry_init(); void grpc_resolver_registry_shutdown(void); @@ -59,9 +60,12 @@ void grpc_register_resolver_type(grpc_resolver_factory *factory); return it. If a resolver factory was not found, return NULL. \a args is a set of channel arguments to be included in the result - (typically the set of arguments passed in from the client API). */ -grpc_resolver *grpc_resolver_create(const char *target, - const grpc_channel_args *args); + (typically the set of arguments passed in from the client API). + \a pollset_set is used to drive IO in the name resolution process, it + should not be NULL. */ +grpc_resolver *grpc_resolver_create(grpc_exec_ctx *exec_ctx, const char *target, + const grpc_channel_args *args, + grpc_pollset_set *pollset_set); /** Find a resolver factory given a name and return an (owned-by-the-caller) * reference to it */ @@ -71,4 +75,8 @@ grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name); representing the default authority to pass from a client. */ char *grpc_get_default_authority(const char *target); +/** Returns a newly allocated string containing \a target, adding the + default prefix if needed. */ +char *grpc_resolver_factory_add_default_prefix_if_needed(const char *target); + #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H */ diff --git a/src/core/ext/client_channel/subchannel.c b/src/core/ext/client_channel/subchannel.c index b83c6882dc..8bd284507d 100644 --- a/src/core/ext/client_channel/subchannel.c +++ b/src/core/ext/client_channel/subchannel.c @@ -38,14 +38,19 @@ #include <grpc/support/alloc.h> #include <grpc/support/avl.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" #include "src/core/ext/client_channel/initial_connect_string.h" +#include "src/core/ext/client_channel/parse_address.h" #include "src/core/ext/client_channel/subchannel_index.h" +#include "src/core/ext/client_channel/uri_parser.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/backoff.h" #include "src/core/lib/surface/channel.h" #include "src/core/lib/surface/channel_init.h" @@ -94,8 +99,6 @@ struct grpc_subchannel { size_t num_filters; /** channel arguments */ grpc_channel_args *args; - /** address to connect to */ - grpc_resolved_address *addr; grpc_subchannel_key *key; @@ -108,6 +111,9 @@ struct grpc_subchannel { /** callback for connection finishing */ grpc_closure connected; + /** callback for our alarm */ + grpc_closure on_alarm; + /** pollset_set tracking who's interested in a connection being setup */ grpc_pollset_set *pollset_set; @@ -206,9 +212,8 @@ static void subchannel_destroy(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_subchannel *c = arg; gpr_free((void *)c->filters); - grpc_channel_args_destroy(c->args); - gpr_free(c->addr); - grpc_slice_unref(c->initial_connect_string); + grpc_channel_args_destroy(exec_ctx, c->args); + grpc_slice_unref_internal(exec_ctx, c->initial_connect_string); grpc_connectivity_state_destroy(exec_ctx, &c->state_tracker); grpc_connector_unref(exec_ctx, c->connector); grpc_pollset_set_destroy(c->pollset_set); @@ -293,8 +298,9 @@ void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx, gpr_atm old_refs; old_refs = ref_mutate(c, -(gpr_atm)1, 1 REF_MUTATE_PURPOSE("WEAK_UNREF")); if (old_refs == 1) { - grpc_exec_ctx_sched(exec_ctx, grpc_closure_create(subchannel_destroy, c), - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, grpc_closure_create(subchannel_destroy, c, + grpc_schedule_on_exec_ctx), + GRPC_ERROR_NONE); } } @@ -322,30 +328,38 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, } else { c->filters = NULL; } - c->addr = gpr_malloc(sizeof(grpc_resolved_address)); - if (args->addr->len) - memcpy(c->addr, args->addr, sizeof(grpc_resolved_address)); c->pollset_set = grpc_pollset_set_create(); - grpc_set_initial_connect_string(&c->addr, &c->initial_connect_string); - c->args = grpc_channel_args_copy(args->args); + grpc_resolved_address *addr = gpr_malloc(sizeof(*addr)); + grpc_get_subchannel_address_arg(args->args, addr); + grpc_set_initial_connect_string(&addr, &c->initial_connect_string); + static const char *keys_to_remove[] = {GRPC_ARG_SUBCHANNEL_ADDRESS}; + grpc_arg new_arg = grpc_create_subchannel_address_arg(addr); + gpr_free(addr); + c->args = grpc_channel_args_copy_and_add_and_remove( + args->args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove), &new_arg, 1); + gpr_free(new_arg.value.string); + c->root_external_state_watcher.next = c->root_external_state_watcher.prev = &c->root_external_state_watcher; - grpc_closure_init(&c->connected, subchannel_connected, c); + grpc_closure_init(&c->connected, subchannel_connected, c, + grpc_schedule_on_exec_ctx); grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE, "subchannel"); int initial_backoff_ms = GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000; int max_backoff_ms = GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000; + int min_backoff_ms = GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS * 1000; bool fixed_reconnect_backoff = false; if (c->args) { for (size_t i = 0; i < c->args->num_args; i++) { if (0 == strcmp(c->args->args[i].key, - "grpc.testing.fixed_reconnect_backoff")) { + "grpc.testing.fixed_reconnect_backoff_ms")) { GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER); fixed_reconnect_backoff = true; - initial_backoff_ms = max_backoff_ms = grpc_channel_arg_get_integer( - &c->args->args[i], - (grpc_integer_options){initial_backoff_ms, 100, INT_MAX}); + initial_backoff_ms = min_backoff_ms = max_backoff_ms = + grpc_channel_arg_get_integer( + &c->args->args[i], + (grpc_integer_options){initial_backoff_ms, 100, INT_MAX}); } else if (0 == strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) { fixed_reconnect_backoff = false; @@ -362,11 +376,11 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, } } gpr_backoff_init( - &c->backoff_state, + &c->backoff_state, initial_backoff_ms, fixed_reconnect_backoff ? 1.0 : GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER, fixed_reconnect_backoff ? 0.0 : GRPC_SUBCHANNEL_RECONNECT_JITTER, - initial_backoff_ms, max_backoff_ms); + min_backoff_ms, max_backoff_ms); gpr_mu_init(&c->mu); return grpc_subchannel_index_register(exec_ctx, key, c); @@ -377,7 +391,6 @@ static void continue_connect_locked(grpc_exec_ctx *exec_ctx, grpc_connect_in_args args; args.interested_parties = c->pollset_set; - args.addr = c->addr; args.deadline = c->next_attempt; args.channel_args = c->args; args.initial_connect_string = c->initial_connect_string; @@ -478,7 +491,8 @@ static void maybe_start_connecting_locked(grpc_exec_ctx *exec_ctx, gpr_log(GPR_INFO, "Retry in %" PRId64 ".%09d seconds", time_til_next.tv_sec, time_til_next.tv_nsec); } - grpc_timer_init(exec_ctx, &c->alarm, c->next_attempt, on_alarm, c, now); + grpc_closure_init(&c->on_alarm, on_alarm, c, grpc_schedule_on_exec_ctx); + grpc_timer_init(exec_ctx, &c->alarm, c->next_attempt, &c->on_alarm, now); } } @@ -503,7 +517,8 @@ void grpc_subchannel_notify_on_state_change( w->subchannel = c; w->pollset_set = interested_parties; w->notify = notify; - grpc_closure_init(&w->closure, on_external_state_watcher_done, w); + grpc_closure_init(&w->closure, on_external_state_watcher_done, w, + grpc_schedule_on_exec_ctx); if (interested_parties != NULL) { grpc_pollset_set_add_pollset_set(exec_ctx, c->pollset_set, interested_parties); @@ -598,18 +613,24 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, /* construct channel stack */ grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create(); grpc_channel_stack_builder_set_channel_arguments( - builder, c->connecting_result.channel_args); + exec_ctx, builder, c->connecting_result.channel_args); grpc_channel_stack_builder_set_transport(builder, c->connecting_result.transport); - if (grpc_channel_init_create_stack(exec_ctx, builder, - GRPC_CLIENT_SUBCHANNEL)) { - con = grpc_channel_stack_builder_finish(exec_ctx, builder, 0, 1, - connection_destroy, NULL); - } else { - grpc_channel_stack_builder_destroy(builder); + if (!grpc_channel_init_create_stack(exec_ctx, builder, + GRPC_CLIENT_SUBCHANNEL)) { + grpc_channel_stack_builder_destroy(exec_ctx, builder); abort(); /* TODO(ctiller): what to do here (previously we just crashed) */ } + grpc_error *error = grpc_channel_stack_builder_finish( + exec_ctx, builder, 0, 1, connection_destroy, NULL, (void **)&con); + if (error != GRPC_ERROR_NONE) { + const char *msg = grpc_error_string(error); + gpr_log(GPR_ERROR, "error initializing subchannel stack: %s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(error); + abort(); /* TODO(ctiller): what to do here? */ + } stk = CHANNEL_STACK_FROM_CONNECTION(con); memset(&c->connecting_result, 0, sizeof(c->connecting_result)); @@ -618,7 +639,7 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, sw_subchannel->subchannel = c; sw_subchannel->connectivity_state = GRPC_CHANNEL_READY; grpc_closure_init(&sw_subchannel->closure, subchannel_on_child_state_changed, - sw_subchannel); + sw_subchannel, grpc_schedule_on_exec_ctx); if (c->disconnected) { gpr_free(sw_subchannel); @@ -637,9 +658,7 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, GPR_ASSERT(gpr_atm_rel_cas(&c->connected_subchannel, 0, (gpr_atm)con)); /* setup subchannel watching connected subchannel for changes; subchannel - ref - for connecting is donated - to the state watcher */ + ref for connecting is donated to the state watcher */ GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher"); GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting"); grpc_connected_subchannel_notify_on_state_change( @@ -680,7 +699,7 @@ static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg, } gpr_mu_unlock(&c->mu); GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connected"); - grpc_channel_args_destroy(delete_channel_args); + grpc_channel_args_destroy(exec_ctx, delete_channel_args); } /* @@ -757,3 +776,37 @@ grpc_call_stack *grpc_subchannel_call_get_call_stack( grpc_subchannel_call *subchannel_call) { return SUBCHANNEL_CALL_TO_CALL_STACK(subchannel_call); } + +static void grpc_uri_to_sockaddr(char *uri_str, grpc_resolved_address *addr) { + grpc_uri *uri = grpc_uri_parse(uri_str, 0 /* suppress_errors */); + GPR_ASSERT(uri != NULL); + if (strcmp(uri->scheme, "ipv4") == 0) { + GPR_ASSERT(parse_ipv4(uri, addr)); + } else if (strcmp(uri->scheme, "ipv6") == 0) { + GPR_ASSERT(parse_ipv6(uri, addr)); + } else { + GPR_ASSERT(parse_unix(uri, addr)); + } + grpc_uri_destroy(uri); +} + +void grpc_get_subchannel_address_arg(const grpc_channel_args *args, + grpc_resolved_address *addr) { + const grpc_arg *addr_arg = + grpc_channel_args_find(args, GRPC_ARG_SUBCHANNEL_ADDRESS); + GPR_ASSERT(addr_arg != NULL); // Should have been set by LB policy. + GPR_ASSERT(addr_arg->type == GRPC_ARG_STRING); + memset(addr, 0, sizeof(*addr)); + if (*addr_arg->value.string != '\0') { + grpc_uri_to_sockaddr(addr_arg->value.string, addr); + } +} + +grpc_arg grpc_create_subchannel_address_arg(const grpc_resolved_address *addr) { + grpc_arg new_arg; + new_arg.key = GRPC_ARG_SUBCHANNEL_ADDRESS; + new_arg.type = GRPC_ARG_STRING; + new_arg.value.string = + addr->len > 0 ? grpc_sockaddr_to_uri(addr) : gpr_strdup(""); + return new_arg; +} diff --git a/src/core/ext/client_channel/subchannel.h b/src/core/ext/client_channel/subchannel.h index 10bae620df..684675eb37 100644 --- a/src/core/ext/client_channel/subchannel.h +++ b/src/core/ext/client_channel/subchannel.h @@ -40,6 +40,9 @@ #include "src/core/lib/transport/connectivity_state.h" #include "src/core/lib/transport/metadata.h" +// Channel arg containing a grpc_resolved_address to connect to. +#define GRPC_ARG_SUBCHANNEL_ADDRESS "grpc.subchannel_address" + /** A (sub-)channel that knows how to connect to exactly one target address. Provides a target for load balancing. */ typedef struct grpc_subchannel grpc_subchannel; @@ -164,10 +167,6 @@ struct grpc_subchannel_args { size_t filter_count; /** Channel arguments to be supplied to the newly created channel */ const grpc_channel_args *args; - /** Server name */ - const char *server_name; - /** Address to connect to */ - grpc_resolved_address *addr; }; /** create a subchannel given a connector */ @@ -175,4 +174,12 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, grpc_connector *connector, const grpc_subchannel_args *args); +/// Sets \a addr from \a args. +void grpc_get_subchannel_address_arg(const grpc_channel_args *args, + grpc_resolved_address *addr); + +/// Returns a new channel arg encoding the subchannel address as a string. +/// Caller is responsible for freeing the string. +grpc_arg grpc_create_subchannel_address_arg(const grpc_resolved_address *addr); + #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H */ diff --git a/src/core/ext/client_channel/subchannel_index.c b/src/core/ext/client_channel/subchannel_index.c index 227013a7d7..11889300a2 100644 --- a/src/core/ext/client_channel/subchannel_index.c +++ b/src/core/ext/client_channel/subchannel_index.c @@ -86,12 +86,6 @@ static grpc_subchannel_key *create_key( } else { k->args.filters = NULL; } - k->args.server_name = gpr_strdup(args->server_name); - k->args.addr = gpr_malloc(sizeof(grpc_resolved_address)); - k->args.addr->len = args->addr->len; - if (k->args.addr->len > 0) { - memcpy(k->args.addr, args->addr, sizeof(grpc_resolved_address)); - } k->args.args = copy_channel_args(args->args); return k; } @@ -109,16 +103,8 @@ static int subchannel_key_compare(grpc_subchannel_key *a, grpc_subchannel_key *b) { int c = GPR_ICMP(a->connector, b->connector); if (c != 0) return c; - c = GPR_ICMP(a->args.addr->len, b->args.addr->len); - if (c != 0) return c; c = GPR_ICMP(a->args.filter_count, b->args.filter_count); if (c != 0) return c; - c = strcmp(a->args.server_name, b->args.server_name); - if (c != 0) return c; - if (a->args.addr->len) { - c = memcmp(a->args.addr->addr, b->args.addr->addr, a->args.addr->len); - if (c != 0) return c; - } if (a->args.filter_count > 0) { c = memcmp(a->args.filters, b->args.filters, a->args.filter_count * sizeof(*a->args.filters)); @@ -131,9 +117,7 @@ void grpc_subchannel_key_destroy(grpc_exec_ctx *exec_ctx, grpc_subchannel_key *k) { grpc_connector_unref(exec_ctx, k->connector); gpr_free((grpc_channel_args *)k->args.filters); - grpc_channel_args_destroy((grpc_channel_args *)k->args.args); - gpr_free((void *)k->args.server_name); - gpr_free(k->args.addr); + grpc_channel_args_destroy(exec_ctx, (grpc_channel_args *)k->args.args); gpr_free(k); } diff --git a/src/core/ext/client_channel/uri_parser.c b/src/core/ext/client_channel/uri_parser.c index 0fbc542ef8..f8c946b275 100644 --- a/src/core/ext/client_channel/uri_parser.c +++ b/src/core/ext/client_channel/uri_parser.c @@ -42,7 +42,6 @@ #include <grpc/support/port_platform.h> #include <grpc/support/string_util.h> -#include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" /** a size_t default value... maps to all 1's */ @@ -138,7 +137,6 @@ static int parse_fragment_or_query(const char *uri_text, size_t *i) { return 1; } -static void do_nothing(void *ignored) {} static void parse_query_parts(grpc_uri *uri) { static const char *QUERY_PARTS_SEPARATOR = "&"; static const char *QUERY_PARTS_VALUE_SEPARATOR = "="; @@ -149,38 +147,32 @@ static void parse_query_parts(grpc_uri *uri) { uri->num_query_parts = 0; return; } - grpc_slice query_slice = - grpc_slice_new(uri->query, strlen(uri->query), do_nothing); - grpc_slice_buffer query_parts; /* the &-separated elements of the query */ - grpc_slice_buffer query_param_parts; /* the =-separated subelements */ - grpc_slice_buffer_init(&query_parts); - grpc_slice_buffer_init(&query_param_parts); - - grpc_slice_split(query_slice, QUERY_PARTS_SEPARATOR, &query_parts); - uri->query_parts = gpr_malloc(query_parts.count * sizeof(char *)); - uri->query_parts_values = gpr_malloc(query_parts.count * sizeof(char *)); - uri->num_query_parts = query_parts.count; - for (size_t i = 0; i < query_parts.count; i++) { - grpc_slice_split(query_parts.slices[i], QUERY_PARTS_VALUE_SEPARATOR, - &query_param_parts); - GPR_ASSERT(query_param_parts.count > 0); - uri->query_parts[i] = - grpc_dump_slice(query_param_parts.slices[0], GPR_DUMP_ASCII); - if (query_param_parts.count > 1) { + gpr_string_split(uri->query, QUERY_PARTS_SEPARATOR, &uri->query_parts, + &uri->num_query_parts); + uri->query_parts_values = gpr_malloc(uri->num_query_parts * sizeof(char **)); + for (size_t i = 0; i < uri->num_query_parts; i++) { + char **query_param_parts; + size_t num_query_param_parts; + char *full = uri->query_parts[i]; + gpr_string_split(full, QUERY_PARTS_VALUE_SEPARATOR, &query_param_parts, + &num_query_param_parts); + GPR_ASSERT(num_query_param_parts > 0); + uri->query_parts[i] = query_param_parts[0]; + if (num_query_param_parts > 1) { /* TODO(dgq): only the first value after the separator is considered. * Perhaps all chars after the first separator for the query part should * be included, even if they include the separator. */ - uri->query_parts_values[i] = - grpc_dump_slice(query_param_parts.slices[1], GPR_DUMP_ASCII); + uri->query_parts_values[i] = query_param_parts[1]; } else { uri->query_parts_values[i] = NULL; } - grpc_slice_buffer_reset_and_unref(&query_param_parts); + for (size_t j = 2; j < num_query_param_parts; j++) { + gpr_free(query_param_parts[j]); + } + gpr_free(query_param_parts); + gpr_free(full); } - grpc_slice_buffer_destroy(&query_parts); - grpc_slice_buffer_destroy(&query_param_parts); - grpc_slice_unref(query_slice); } grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) { diff --git a/src/core/ext/lb_policy/grpclb/grpclb.c b/src/core/ext/lb_policy/grpclb/grpclb.c index 4262d2b9a4..97f98df03a 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb.c +++ b/src/core/ext/lb_policy/grpclb/grpclb.c @@ -106,6 +106,7 @@ #include <grpc/support/string_util.h> #include <grpc/support/time.h> +#include "src/core/ext/client_channel/client_channel.h" #include "src/core/ext/client_channel/client_channel_factory.h" #include "src/core/ext/client_channel/lb_policy_factory.h" #include "src/core/ext/client_channel/lb_policy_registry.h" @@ -116,6 +117,7 @@ #include "src/core/lib/iomgr/sockaddr.h" #include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/backoff.h" #include "src/core/lib/support/string.h" @@ -123,10 +125,11 @@ #include "src/core/lib/surface/channel.h" #include "src/core/lib/transport/static_metadata.h" -#define BACKOFF_MULTIPLIER 1.6 -#define BACKOFF_JITTER 0.2 -#define BACKOFF_MIN_SECONDS 10 -#define BACKOFF_MAX_SECONDS 60 +#define GRPC_GRPCLB_MIN_CONNECT_TIMEOUT_SECONDS 20 +#define GRPC_GRPCLB_INITIAL_CONNECT_BACKOFF_SECONDS 1 +#define GRPC_GRPCLB_RECONNECT_BACKOFF_MULTIPLIER 1.6 +#define GRPC_GRPCLB_RECONNECT_MAX_BACKOFF_SECONDS 120 +#define GRPC_GRPCLB_RECONNECT_JITTER 0.2 int grpc_lb_glb_trace = 0; @@ -178,8 +181,7 @@ static void wrapped_rr_closure(grpc_exec_ctx *exec_ctx, void *arg, wrapped_rr_closure_arg *wc_arg = arg; GPR_ASSERT(wc_arg->wrapped_closure != NULL); - grpc_exec_ctx_sched(exec_ctx, wc_arg->wrapped_closure, GRPC_ERROR_REF(error), - NULL); + grpc_closure_sched(exec_ctx, wc_arg->wrapped_closure, GRPC_ERROR_REF(error)); if (wc_arg->rr_policy != NULL) { /* if *target is NULL, no pick has been made by the RR policy (eg, all @@ -246,7 +248,8 @@ static void add_pending_pick(pending_pick **root, pick_args->lb_token_mdelem_storage; pp->wrapped_on_complete_arg.free_when_done = pp; grpc_closure_init(&pp->wrapped_on_complete_arg.wrapper_closure, - wrapped_rr_closure, &pp->wrapped_on_complete_arg); + wrapped_rr_closure, &pp->wrapped_on_complete_arg, + grpc_schedule_on_exec_ctx); *root = pp; } @@ -266,7 +269,8 @@ static void add_pending_ping(pending_ping **root, grpc_closure *notify) { pping->wrapped_notify_arg.free_when_done = pping; pping->next = *root; grpc_closure_init(&pping->wrapped_notify_arg.wrapper_closure, - wrapped_rr_closure, &pping->wrapped_notify_arg); + wrapped_rr_closure, &pping->wrapped_notify_arg, + grpc_schedule_on_exec_ctx); *root = pping; } @@ -323,6 +327,9 @@ typedef struct glb_lb_policy { /* A response from the LB server has been received. Process it */ grpc_closure lb_on_response_received; + /* LB call retry timer callback. */ + grpc_closure lb_on_call_retry; + grpc_call *lb_call; /* streaming call to the LB server, */ grpc_metadata_array lb_initial_metadata_recv; /* initial MD from LB server */ @@ -383,8 +390,8 @@ static bool is_server_valid(const grpc_grpclb_server *server, size_t idx, static void *lb_token_copy(void *token) { return token == NULL ? NULL : GRPC_MDELEM_REF(token); } -static void lb_token_destroy(void *token) { - if (token != NULL) GRPC_MDELEM_UNREF(token); +static void lb_token_destroy(grpc_exec_ctx *exec_ctx, void *token) { + if (token != NULL) GRPC_MDELEM_UNREF(exec_ctx, token); } static int lb_token_cmp(void *token1, void *token2) { if (token1 > token2) return 1; @@ -418,7 +425,7 @@ static void parse_server(const grpc_grpclb_server *server, /* Returns addresses extracted from \a serverlist. */ static grpc_lb_addresses *process_serverlist_locked( - const grpc_grpclb_serverlist *serverlist) { + grpc_exec_ctx *exec_ctx, const grpc_grpclb_serverlist *serverlist) { size_t num_valid = 0; /* first pass: count how many are valid in order to allocate the necessary * memory in a single block */ @@ -454,8 +461,8 @@ static grpc_lb_addresses *process_serverlist_locked( strnlen(server->load_balance_token, lb_token_max_length); grpc_mdstr *lb_token_mdstr = grpc_mdstr_from_buffer( (uint8_t *)server->load_balance_token, lb_token_length); - user_data = grpc_mdelem_from_metadata_strings(GRPC_MDSTR_LB_TOKEN, - lb_token_mdstr); + user_data = grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_LB_TOKEN, lb_token_mdstr); } else { char *uri = grpc_sockaddr_to_uri(&addr); gpr_log(GPR_INFO, @@ -578,7 +585,8 @@ static grpc_lb_policy *create_rr_locked( grpc_lb_policy_args args; memset(&args, 0, sizeof(args)); args.client_channel_factory = glb_policy->cc_factory; - grpc_lb_addresses *addresses = process_serverlist_locked(serverlist); + grpc_lb_addresses *addresses = + process_serverlist_locked(exec_ctx, serverlist); // Replace the LB addresses in the channel args that we pass down to // the subchannel. @@ -590,8 +598,8 @@ static grpc_lb_policy *create_rr_locked( grpc_lb_policy *rr = grpc_lb_policy_create(exec_ctx, "round_robin", &args); GPR_ASSERT(rr != NULL); - grpc_lb_addresses_destroy(addresses); - grpc_channel_args_destroy(args.args); + grpc_lb_addresses_destroy(exec_ctx, addresses); + grpc_channel_args_destroy(exec_ctx, args.args); return rr; } @@ -665,7 +673,7 @@ static void rr_handover_locked(grpc_exec_ctx *exec_ctx, gpr_malloc(sizeof(rr_connectivity_data)); memset(rr_connectivity, 0, sizeof(rr_connectivity_data)); grpc_closure_init(&rr_connectivity->on_change, glb_rr_connectivity_changed, - rr_connectivity); + rr_connectivity, grpc_schedule_on_exec_ctx); rr_connectivity->glb_policy = glb_policy; rr_connectivity->state = new_rr_state; @@ -742,12 +750,6 @@ static void glb_rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg, static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory, grpc_lb_policy_args *args) { - /* Get server name. */ - const grpc_arg *arg = - grpc_channel_args_find(args->args, GRPC_ARG_SERVER_NAME); - const char *server_name = - arg != NULL && arg->type == GRPC_ARG_STRING ? arg->value.string : NULL; - /* Count the number of gRPC-LB addresses. There must be at least one. * TODO(roth): For now, we ignore non-balancer addresses, but in the * future, we may change the behavior such that we fall back to using @@ -755,7 +757,8 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, * time, this should be changed to allow a list with no balancer addresses, * since the resolver might fail to return a balancer address even when * this is the right LB policy to use. */ - arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); + const grpc_arg *arg = + grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_grpclb_addrs = 0; @@ -767,13 +770,25 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, glb_lb_policy *glb_policy = gpr_malloc(sizeof(*glb_policy)); memset(glb_policy, 0, sizeof(*glb_policy)); + /* Get server name. */ + arg = grpc_channel_args_find(args->args, GRPC_ARG_SERVER_URI); + GPR_ASSERT(arg != NULL); + GPR_ASSERT(arg->type == GRPC_ARG_STRING); + grpc_uri *uri = grpc_uri_parse(arg->value.string, true); + GPR_ASSERT(uri->path[0] != '\0'); + glb_policy->server_name = + gpr_strdup(uri->path[0] == '/' ? uri->path + 1 : uri->path); + if (grpc_lb_glb_trace) { + gpr_log(GPR_INFO, "Will use '%s' as the server name for LB request.", + glb_policy->server_name); + } + grpc_uri_destroy(uri); + /* All input addresses in addresses come from a resolver that claims * they are LB services. It's the resolver's responsibility to make sure - * this - * policy is only instantiated and used in that case. + * this policy is only instantiated and used in that case. * * Create a client channel over them to communicate with a LB service */ - glb_policy->server_name = gpr_strdup(server_name); glb_policy->cc_factory = args->client_channel_factory; glb_policy->args = grpc_channel_args_copy(args->args); GPR_ASSERT(glb_policy->cc_factory != NULL); @@ -817,15 +832,20 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, * We need the LB channel to return addresses with is_balancer=false * so that it does not wind up recursively using the grpclb LB policy, * as per the special case logic in client_channel.c. + * + * Finally, we also strip out the channel arg for the server URI, + * since that will be different for the LB channel than for the parent + * channel. (The client channel factory will re-add this arg with + * the right value.) */ - static const char *keys_to_remove[] = {GRPC_ARG_LB_POLICY_NAME, - GRPC_ARG_LB_ADDRESSES}; + static const char *keys_to_remove[] = { + GRPC_ARG_LB_POLICY_NAME, GRPC_ARG_LB_ADDRESSES, GRPC_ARG_SERVER_URI}; grpc_channel_args *new_args = grpc_channel_args_copy_and_remove( args->args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove)); glb_policy->lb_channel = grpc_client_channel_factory_create_channel( exec_ctx, glb_policy->cc_factory, target_uri_str, GRPC_CLIENT_CHANNEL_TYPE_LOAD_BALANCING, new_args); - grpc_channel_args_destroy(new_args); + grpc_channel_args_destroy(exec_ctx, new_args); gpr_free(target_uri_str); for (size_t i = 0; i < num_grpclb_addrs; i++) { @@ -851,7 +871,7 @@ static void glb_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { GPR_ASSERT(glb_policy->pending_picks == NULL); GPR_ASSERT(glb_policy->pending_pings == NULL); gpr_free((void *)glb_policy->server_name); - grpc_channel_args_destroy(glb_policy->args); + grpc_channel_args_destroy(exec_ctx, glb_policy->args); grpc_channel_destroy(glb_policy->lb_channel); glb_policy->lb_channel = NULL; grpc_connectivity_state_destroy(exec_ctx, &glb_policy->state_tracker); @@ -894,15 +914,15 @@ static void glb_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { while (pp != NULL) { pending_pick *next = pp->next; *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, &pp->wrapped_on_complete_arg.wrapper_closure, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &pp->wrapped_on_complete_arg.wrapper_closure, + GRPC_ERROR_NONE); pp = next; } while (pping != NULL) { pending_ping *next = pping->next; - grpc_exec_ctx_sched(exec_ctx, &pping->wrapped_notify_arg.wrapper_closure, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &pping->wrapped_notify_arg.wrapper_closure, + GRPC_ERROR_NONE); pping = next; } } @@ -918,9 +938,9 @@ static void glb_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pending_pick *next = pp->next; if (pp->target == target) { *target = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, &pp->wrapped_on_complete_arg.wrapper_closure, - GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1)); } else { pp->next = glb_policy->pending_picks; glb_policy->pending_picks = pp; @@ -943,9 +963,9 @@ static void glb_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pending_pick *next = pp->next; if ((pp->pick_args.initial_metadata_flags & initial_metadata_flags_mask) == initial_metadata_flags_eq) { - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, &pp->wrapped_on_complete_arg.wrapper_closure, - GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1)); } else { pp->next = glb_policy->pending_picks; glb_policy->pending_picks = pp; @@ -980,11 +1000,10 @@ static int glb_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_closure *on_complete) { if (pick_args->lb_token_mdelem_storage == NULL) { *target = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, on_complete, GRPC_ERROR_CREATE("No mdelem storage for the LB token. Load reporting " - "won't work without it. Failing"), - NULL); + "won't work without it. Failing")); return 0; } @@ -1003,7 +1022,8 @@ static int glb_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, wrapped_rr_closure_arg *wc_arg = gpr_malloc(sizeof(wrapped_rr_closure_arg)); memset(wc_arg, 0, sizeof(wrapped_rr_closure_arg)); - grpc_closure_init(&wc_arg->wrapper_closure, wrapped_rr_closure, wc_arg); + grpc_closure_init(&wc_arg->wrapper_closure, wrapped_rr_closure, wc_arg, + grpc_schedule_on_exec_ctx); wc_arg->rr_policy = glb_policy->rr_policy; wc_arg->target = target; wc_arg->wrapped_closure = on_complete; @@ -1074,7 +1094,8 @@ static void lb_on_server_status_received(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); static void lb_on_response_received(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); -static void lb_call_init_locked(glb_lb_policy *glb_policy) { +static void lb_call_init_locked(grpc_exec_ctx *exec_ctx, + glb_lb_policy *glb_policy) { GPR_ASSERT(glb_policy->server_name != NULL); GPR_ASSERT(glb_policy->server_name[0] != '\0'); GPR_ASSERT(!glb_policy->shutting_down); @@ -1083,7 +1104,7 @@ static void lb_call_init_locked(glb_lb_policy *glb_policy) { * glb_policy->base.interested_parties, which is comprised of the polling * entities from \a client_channel. */ glb_policy->lb_call = grpc_channel_create_pollset_set_call( - glb_policy->lb_channel, NULL, GRPC_PROPAGATE_DEFAULTS, + exec_ctx, glb_policy->lb_channel, NULL, GRPC_PROPAGATE_DEFAULTS, glb_policy->base.interested_parties, "/grpc.lb.v1.LoadBalancer/BalanceLoad", glb_policy->server_name, glb_policy->deadline, NULL); @@ -1096,20 +1117,25 @@ static void lb_call_init_locked(glb_lb_policy *glb_policy) { grpc_slice request_payload_slice = grpc_grpclb_request_encode(request); glb_policy->lb_request_payload = grpc_raw_byte_buffer_create(&request_payload_slice, 1); - grpc_slice_unref(request_payload_slice); + grpc_slice_unref_internal(exec_ctx, request_payload_slice); grpc_grpclb_request_destroy(request); glb_policy->lb_call_status_details = NULL; glb_policy->lb_call_status_details_capacity = 0; grpc_closure_init(&glb_policy->lb_on_server_status_received, - lb_on_server_status_received, glb_policy); + lb_on_server_status_received, glb_policy, + grpc_schedule_on_exec_ctx); grpc_closure_init(&glb_policy->lb_on_response_received, - lb_on_response_received, glb_policy); - - gpr_backoff_init(&glb_policy->lb_call_backoff_state, BACKOFF_MULTIPLIER, - BACKOFF_JITTER, BACKOFF_MIN_SECONDS * 1000, - BACKOFF_MAX_SECONDS * 1000); + lb_on_response_received, glb_policy, + grpc_schedule_on_exec_ctx); + + gpr_backoff_init(&glb_policy->lb_call_backoff_state, + GRPC_GRPCLB_INITIAL_CONNECT_BACKOFF_SECONDS, + GRPC_GRPCLB_RECONNECT_BACKOFF_MULTIPLIER, + GRPC_GRPCLB_RECONNECT_JITTER, + GRPC_GRPCLB_MIN_CONNECT_TIMEOUT_SECONDS * 1000, + GRPC_GRPCLB_RECONNECT_MAX_BACKOFF_SECONDS * 1000); } static void lb_call_destroy_locked(glb_lb_policy *glb_policy) { @@ -1132,7 +1158,7 @@ static void query_for_backends_locked(grpc_exec_ctx *exec_ctx, GPR_ASSERT(glb_policy->lb_channel != NULL); if (glb_policy->shutting_down) return; - lb_call_init_locked(glb_policy); + lb_call_init_locked(exec_ctx, glb_policy); if (grpc_lb_glb_trace) { gpr_log(GPR_INFO, "Query for backends (grpclb: %p, lb_call: %p)", @@ -1217,7 +1243,7 @@ static void lb_on_response_received(grpc_exec_ctx *exec_ctx, void *arg, grpc_grpclb_response_parse_serverlist(response_slice); if (serverlist != NULL) { GPR_ASSERT(glb_policy->lb_call != NULL); - grpc_slice_unref(response_slice); + grpc_slice_unref_internal(exec_ctx, response_slice); if (grpc_lb_glb_trace) { gpr_log(GPR_INFO, "Serverlist with %lu servers received", (unsigned long)serverlist->num_servers); @@ -1261,7 +1287,7 @@ static void lb_on_response_received(grpc_exec_ctx *exec_ctx, void *arg, } else { /* serverlist == NULL */ gpr_log(GPR_ERROR, "Invalid LB response received: '%s'. Ignoring.", grpc_dump_slice(response_slice, GPR_DUMP_ASCII | GPR_DUMP_HEX)); - grpc_slice_unref(response_slice); + grpc_slice_unref_internal(exec_ctx, response_slice); } if (!glb_policy->shutting_down) { @@ -1341,8 +1367,10 @@ static void lb_on_server_status_received(grpc_exec_ctx *exec_ctx, void *arg, } } GRPC_LB_POLICY_WEAK_REF(&glb_policy->base, "grpclb_retry_timer"); + grpc_closure_init(&glb_policy->lb_on_call_retry, lb_call_on_retry_timer, + glb_policy, grpc_schedule_on_exec_ctx); grpc_timer_init(exec_ctx, &glb_policy->lb_call_retry_timer, next_try, - lb_call_on_retry_timer, glb_policy, now); + &glb_policy->lb_on_call_retry, now); } gpr_mu_unlock(&glb_policy->mu); GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, &glb_policy->base, diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c index afecb716fb..e352e0396f 100644 --- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c +++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c @@ -1,35 +1,3 @@ -/* - * - * Copyright 2016, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ /* Automatically generated nanopb constant definitions */ /* Generated by nanopb-0.3.7-dev */ diff --git a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h index e36d0966f8..725aa7e386 100644 --- a/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h +++ b/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h @@ -1,35 +1,3 @@ -/* - * - * Copyright 2016, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ /* Automatically generated nanopb header */ /* Generated by nanopb-0.3.7-dev */ diff --git a/src/core/ext/lb_policy/pick_first/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c index c69f773e78..9f2aa461be 100644 --- a/src/core/ext/lb_policy/pick_first/pick_first.c +++ b/src/core/ext/lb_policy/pick_first/pick_first.c @@ -36,7 +36,9 @@ #include <grpc/support/alloc.h> #include "src/core/ext/client_channel/lb_policy_registry.h" +#include "src/core/ext/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/transport/connectivity_state.h" typedef struct pending_pick { @@ -120,7 +122,7 @@ static void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { while (pp != NULL) { pending_pick *next = pp->next; *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE); gpr_free(pp); pp = next; } @@ -138,9 +140,9 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pending_pick *next = pp->next; if (pp->target == target) { *target = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1)); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -165,9 +167,9 @@ static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pending_pick *next = pp->next; if ((pp->initial_metadata_flags & initial_metadata_flags_mask) == initial_metadata_flags_eq) { - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1)); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -306,14 +308,15 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg, /* drop the pick list: we are connected now */ GRPC_LB_POLICY_WEAK_REF(&p->base, "destroy_subchannels"); gpr_atm_rel_store(&p->selected, (gpr_atm)selected); - grpc_exec_ctx_sched(exec_ctx, - grpc_closure_create(destroy_subchannels, p), - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, + grpc_closure_create(destroy_subchannels, p, + grpc_schedule_on_exec_ctx), + GRPC_ERROR_NONE); /* update any calls that were waiting for a pick */ while ((pp = p->pending_picks)) { p->pending_picks = pp->next; *pp->target = GRPC_CONNECTED_SUBCHANNEL_REF(selected, "picked"); - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE); gpr_free(pp); } grpc_connected_subchannel_notify_on_state_change( @@ -366,8 +369,7 @@ static void pf_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg, while ((pp = p->pending_picks)) { p->pending_picks = pp->next; *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE, - NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE); gpr_free(pp); } GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, &p->base, @@ -419,8 +421,7 @@ static void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, if (selected) { grpc_connected_subchannel_ping(exec_ctx, selected, closure); } else { - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_CREATE("Not connected"), - NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_CREATE("Not connected")); } } @@ -438,15 +439,10 @@ static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, grpc_lb_policy_args *args) { GPR_ASSERT(args->client_channel_factory != NULL); - /* Get server name. */ - const grpc_arg *arg = - grpc_channel_args_find(args->args, GRPC_ARG_SERVER_NAME); - const char *server_name = - arg != NULL && arg->type == GRPC_ARG_STRING ? arg->value.string : NULL; - /* Find the number of backend addresses. We ignore balancer * addresses, since we don't know how to handle them. */ - arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); + const grpc_arg *arg = + grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_addrs = 0; @@ -472,14 +468,15 @@ static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, } memset(&sc_args, 0, sizeof(grpc_subchannel_args)); - /* server_name will be copied as part of the subchannel creation. This makes - * the copying of server_name (a borrowed pointer) OK. */ - sc_args.server_name = server_name; - sc_args.addr = &addresses->addresses[i].address; - sc_args.args = args->args; - + grpc_arg addr_arg = + grpc_create_subchannel_address_arg(&addresses->addresses[i].address); + grpc_channel_args *new_args = + grpc_channel_args_copy_and_add(args->args, &addr_arg, 1); + gpr_free(addr_arg.value.string); + sc_args.args = new_args; grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel( exec_ctx, args->client_channel_factory, &sc_args); + grpc_channel_args_destroy(exec_ctx, new_args); if (subchannel != NULL) { p->subchannels[subchannel_idx++] = subchannel; @@ -493,7 +490,8 @@ static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, p->num_subchannels = subchannel_idx; grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable); - grpc_closure_init(&p->connectivity_changed, pf_connectivity_changed, p); + grpc_closure_init(&p->connectivity_changed, pf_connectivity_changed, p, + grpc_schedule_on_exec_ctx); gpr_mu_init(&p->mu); return &p->base; } diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c index 59f84054c4..d17d8fa057 100644 --- a/src/core/ext/lb_policy/round_robin/round_robin.c +++ b/src/core/ext/lb_policy/round_robin/round_robin.c @@ -64,8 +64,10 @@ #include <grpc/support/alloc.h> #include "src/core/ext/client_channel/lb_policy_registry.h" +#include "src/core/ext/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/debug/trace.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/transport/connectivity_state.h" #include "src/core/lib/transport/static_metadata.h" @@ -284,7 +286,7 @@ static void rr_destroy(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { GRPC_SUBCHANNEL_UNREF(exec_ctx, sd->subchannel, "rr_destroy"); if (sd->user_data != NULL) { GPR_ASSERT(sd->user_data_vtable != NULL); - sd->user_data_vtable->destroy(sd->user_data); + sd->user_data_vtable->destroy(exec_ctx, sd->user_data); } gpr_free(sd); } @@ -321,8 +323,8 @@ static void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { while ((pp = p->pending_picks)) { p->pending_picks = pp->next; *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE("Channel Shutdown"), NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, + GRPC_ERROR_CREATE("Channel Shutdown")); gpr_free(pp); } grpc_connectivity_state_set( @@ -348,9 +350,9 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pending_pick *next = pp->next; if (pp->target == target) { *target = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1)); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -376,9 +378,9 @@ static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, if ((pp->initial_metadata_flags & initial_metadata_flags_mask) == initial_metadata_flags_eq) { *pp->target = NULL; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1)); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -581,7 +583,7 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg, "[RR CONN CHANGED] TARGET <-- SUBCHANNEL %p (NODE %p)", (void *)selected->subchannel, (void *)selected); } - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE); gpr_free(pp); } update_lb_connectivity_status(exec_ctx, sd, error); @@ -634,7 +636,7 @@ static void rr_connectivity_changed(grpc_exec_ctx *exec_ctx, void *arg, while ((pp = p->pending_picks)) { p->pending_picks = pp->next; *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pp->on_complete, GRPC_ERROR_NONE); gpr_free(pp); } } @@ -684,8 +686,8 @@ static void rr_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, target, "rr_picked"); } else { gpr_mu_unlock(&p->mu); - grpc_exec_ctx_sched(exec_ctx, closure, - GRPC_ERROR_CREATE("Round Robin not connected"), NULL); + grpc_closure_sched(exec_ctx, closure, + GRPC_ERROR_CREATE("Round Robin not connected")); } } @@ -703,15 +705,10 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, grpc_lb_policy_args *args) { GPR_ASSERT(args->client_channel_factory != NULL); - /* Get server name. */ - const grpc_arg *arg = - grpc_channel_args_find(args->args, GRPC_ARG_SERVER_NAME); - const char *server_name = - arg != NULL && arg->type == GRPC_ARG_STRING ? arg->value.string : NULL; - /* Find the number of backend addresses. We ignore balancer * addresses, since we don't know how to handle them. */ - arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); + const grpc_arg *arg = + grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); GPR_ASSERT(arg != NULL && arg->type == GRPC_ARG_POINTER); grpc_lb_addresses *addresses = arg->value.pointer.p; size_t num_addrs = 0; @@ -734,14 +731,15 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, if (addresses->addresses[i].is_balancer) continue; memset(&sc_args, 0, sizeof(grpc_subchannel_args)); - /* server_name will be copied as part of the subchannel creation. This makes - * the copying of server_name (a borrowed pointer) OK. */ - sc_args.server_name = server_name; - sc_args.addr = &addresses->addresses[i].address; - sc_args.args = args->args; - + grpc_arg addr_arg = + grpc_create_subchannel_address_arg(&addresses->addresses[i].address); + grpc_channel_args *new_args = + grpc_channel_args_copy_and_add(args->args, &addr_arg, 1); + gpr_free(addr_arg.value.string); + sc_args.args = new_args; grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel( exec_ctx, args->client_channel_factory, &sc_args); + grpc_channel_args_destroy(exec_ctx, new_args); if (subchannel != NULL) { subchannel_data *sd = gpr_malloc(sizeof(*sd)); @@ -757,7 +755,7 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, } ++subchannel_idx; grpc_closure_init(&sd->connectivity_changed_closure, - rr_connectivity_changed, sd); + rr_connectivity_changed, sd, grpc_schedule_on_exec_ctx); } } if (subchannel_idx == 0) { diff --git a/src/core/ext/load_reporting/load_reporting.c b/src/core/ext/load_reporting/load_reporting.c index df1ea0ec9a..37b06a737f 100644 --- a/src/core/ext/load_reporting/load_reporting.c +++ b/src/core/ext/load_reporting/load_reporting.c @@ -53,7 +53,8 @@ static bool is_load_reporting_enabled(const grpc_channel_args *a) { return false; } -static bool maybe_add_load_reporting_filter(grpc_channel_stack_builder *builder, +static bool maybe_add_load_reporting_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { const grpc_channel_args *args = grpc_channel_stack_builder_get_channel_arguments(builder); diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/load_reporting/load_reporting_filter.c index b810e20bb9..07ef10e6a8 100644 --- a/src/core/ext/load_reporting/load_reporting_filter.c +++ b/src/core/ext/load_reporting/load_reporting_filter.c @@ -68,7 +68,8 @@ typedef struct { grpc_exec_ctx *exec_ctx; } recv_md_filter_args; -static grpc_mdelem *recv_md_filter(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *recv_md_filter(grpc_exec_ctx *exec_ctx, void *user_data, + grpc_mdelem *md) { recv_md_filter_args *a = user_data; grpc_call_element *elem = a->elem; call_data *calld = elem->call_data; @@ -92,8 +93,8 @@ static void on_initial_md_ready(grpc_exec_ctx *exec_ctx, void *user_data, recv_md_filter_args a; a.elem = elem; a.exec_ctx = exec_ctx; - grpc_metadata_batch_filter(calld->recv_initial_metadata, recv_md_filter, - &a); + grpc_metadata_batch_filter(exec_ctx, calld->recv_initial_metadata, + recv_md_filter, &a); if (calld->service_method == NULL) { err = grpc_error_add_child(err, GRPC_ERROR_CREATE("Missing :path header")); @@ -114,7 +115,8 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, memset(calld, 0, sizeof(call_data)); calld->id = (intptr_t)args->call_stack; - grpc_closure_init(&calld->on_initial_md_ready, on_initial_md_ready, elem); + grpc_closure_init(&calld->on_initial_md_ready, on_initial_md_ready, elem, + grpc_schedule_on_exec_ctx); /* TODO(dgq): do something with the data channel_data *chand = elem->channel_data; @@ -152,9 +154,9 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { GPR_ASSERT(!args->is_last); channel_data *chand = elem->channel_data; @@ -171,6 +173,8 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, NULL, NULL}; */ + + return GRPC_ERROR_NONE; } /* Destructor for channel data */ @@ -189,7 +193,8 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, */ } -static grpc_mdelem *lr_trailing_md_filter(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *lr_trailing_md_filter(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *md) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; @@ -213,7 +218,7 @@ static void lr_start_transport_stream_op(grpc_exec_ctx *exec_ctx, calld->ops_recv_initial_metadata_ready = op->recv_initial_metadata_ready; op->recv_initial_metadata_ready = &calld->on_initial_md_ready; } else if (op->send_trailing_metadata) { - grpc_metadata_batch_filter(op->send_trailing_metadata, + grpc_metadata_batch_filter(exec_ctx, op->send_trailing_metadata, lr_trailing_md_filter, elem); } grpc_call_next_op(exec_ctx, elem, op); diff --git a/src/core/ext/resolver/README.md b/src/core/ext/resolver/README.md new file mode 100644 index 0000000000..b0e234e96a --- /dev/null +++ b/src/core/ext/resolver/README.md @@ -0,0 +1,4 @@ +# Resolver + +Implementations of various name resolution schemes. +See the [naming spec](/doc/naming.md). diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c index a3b4d5b9af..ed5fba3a09 100644 --- a/src/core/ext/resolver/dns/native/dns_resolver.c +++ b/src/core/ext/resolver/dns/native/dns_resolver.c @@ -47,10 +47,11 @@ #include "src/core/lib/support/env.h" #include "src/core/lib/support/string.h" -#define BACKOFF_MULTIPLIER 1.6 -#define BACKOFF_JITTER 0.2 -#define BACKOFF_MIN_SECONDS 1 -#define BACKOFF_MAX_SECONDS 120 +#define GRPC_DNS_MIN_CONNECT_TIMEOUT_SECONDS 1 +#define GRPC_DNS_INITIAL_CONNECT_BACKOFF_SECONDS 1 +#define GRPC_DNS_RECONNECT_BACKOFF_MULTIPLIER 1.6 +#define GRPC_DNS_RECONNECT_MAX_BACKOFF_SECONDS 120 +#define GRPC_DNS_RECONNECT_JITTER 0.2 typedef struct { /** base class: must be first */ @@ -61,6 +62,8 @@ typedef struct { char *default_port; /** channel args. */ grpc_channel_args *channel_args; + /** pollset_set to drive the name resolution process */ + grpc_pollset_set *interested_parties; /** mutex guarding the rest of the state */ gpr_mu mu; @@ -79,6 +82,7 @@ typedef struct { /** retry timer */ bool have_retry_timer; grpc_timer retry_timer; + grpc_closure on_retry; /** retry backoff state */ gpr_backoff backoff_state; @@ -110,8 +114,8 @@ static void dns_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) { } if (r->next_completion != NULL) { *r->target_result = NULL; - grpc_exec_ctx_sched(exec_ctx, r->next_completion, - GRPC_ERROR_CREATE("Resolver Shutdown"), NULL); + grpc_closure_sched(exec_ctx, r->next_completion, + GRPC_ERROR_CREATE("Resolver Shutdown")); r->next_completion = NULL; } gpr_mu_unlock(&r->mu); @@ -180,13 +184,13 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg, grpc_arg new_arg = grpc_lb_addresses_create_channel_arg(addresses); result = grpc_channel_args_copy_and_add(r->channel_args, &new_arg, 1); grpc_resolved_addresses_destroy(r->addresses); - grpc_lb_addresses_destroy(addresses); + grpc_lb_addresses_destroy(exec_ctx, addresses); } else { gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC); gpr_timespec next_try = gpr_backoff_step(&r->backoff_state, now); gpr_timespec timeout = gpr_time_sub(next_try, now); const char *msg = grpc_error_string(error); - gpr_log(GPR_DEBUG, "dns resolution failed: %s", msg); + gpr_log(GPR_INFO, "dns resolution failed (will retry): %s", msg); grpc_error_free_string(msg); GPR_ASSERT(!r->have_retry_timer); r->have_retry_timer = true; @@ -197,11 +201,12 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg, } else { gpr_log(GPR_DEBUG, "retrying immediately"); } - grpc_timer_init(exec_ctx, &r->retry_timer, next_try, dns_on_retry_timer, r, - now); + grpc_closure_init(&r->on_retry, dns_on_retry_timer, r, + grpc_schedule_on_exec_ctx); + grpc_timer_init(exec_ctx, &r->retry_timer, next_try, &r->on_retry, now); } if (r->resolved_result != NULL) { - grpc_channel_args_destroy(r->resolved_result); + grpc_channel_args_destroy(exec_ctx, r->resolved_result); } r->resolved_result = result; r->resolved_version++; @@ -217,9 +222,10 @@ static void dns_start_resolving_locked(grpc_exec_ctx *exec_ctx, GPR_ASSERT(!r->resolving); r->resolving = true; r->addresses = NULL; - grpc_resolve_address(exec_ctx, r->name_to_resolve, r->default_port, - r->base.pollset_set, - grpc_closure_create(dns_on_resolved, r), &r->addresses); + grpc_resolve_address( + exec_ctx, r->name_to_resolve, r->default_port, r->interested_parties, + grpc_closure_create(dns_on_resolved, r, grpc_schedule_on_exec_ctx), + &r->addresses); } static void dns_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, @@ -229,7 +235,7 @@ static void dns_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, *r->target_result = r->resolved_result == NULL ? NULL : grpc_channel_args_copy(r->resolved_result); - grpc_exec_ctx_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE); r->next_completion = NULL; r->published_version = r->resolved_version; } @@ -239,15 +245,17 @@ static void dns_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) { dns_resolver *r = (dns_resolver *)gr; gpr_mu_destroy(&r->mu); if (r->resolved_result != NULL) { - grpc_channel_args_destroy(r->resolved_result); + grpc_channel_args_destroy(exec_ctx, r->resolved_result); } + grpc_pollset_set_destroy(r->interested_parties); gpr_free(r->name_to_resolve); gpr_free(r->default_port); - grpc_channel_args_destroy(r->channel_args); + grpc_channel_args_destroy(exec_ctx, r->channel_args); gpr_free(r); } -static grpc_resolver *dns_create(grpc_resolver_args *args, +static grpc_resolver *dns_create(grpc_exec_ctx *exec_ctx, + grpc_resolver_args *args, const char *default_port) { if (0 != strcmp(args->uri->authority, "")) { gpr_log(GPR_ERROR, "authority based dns uri's not supported"); @@ -265,14 +273,17 @@ static grpc_resolver *dns_create(grpc_resolver_args *args, grpc_resolver_init(&r->base, &dns_resolver_vtable); r->name_to_resolve = proxy_name == NULL ? gpr_strdup(path) : proxy_name; r->default_port = gpr_strdup(default_port); - grpc_arg server_name_arg; - server_name_arg.type = GRPC_ARG_STRING; - server_name_arg.key = GRPC_ARG_SERVER_NAME; - server_name_arg.value.string = (char *)path; - r->channel_args = - grpc_channel_args_copy_and_add(args->args, &server_name_arg, 1); - gpr_backoff_init(&r->backoff_state, BACKOFF_MULTIPLIER, BACKOFF_JITTER, - BACKOFF_MIN_SECONDS * 1000, BACKOFF_MAX_SECONDS * 1000); + r->channel_args = grpc_channel_args_copy(args->args); + r->interested_parties = grpc_pollset_set_create(); + if (args->pollset_set != NULL) { + grpc_pollset_set_add_pollset_set(exec_ctx, r->interested_parties, + args->pollset_set); + } + gpr_backoff_init(&r->backoff_state, GRPC_DNS_INITIAL_CONNECT_BACKOFF_SECONDS, + GRPC_DNS_RECONNECT_BACKOFF_MULTIPLIER, + GRPC_DNS_RECONNECT_JITTER, + GRPC_DNS_MIN_CONNECT_TIMEOUT_SECONDS * 1000, + GRPC_DNS_RECONNECT_MAX_BACKOFF_SECONDS * 1000); return &r->base; } @@ -285,8 +296,9 @@ static void dns_factory_ref(grpc_resolver_factory *factory) {} static void dns_factory_unref(grpc_resolver_factory *factory) {} static grpc_resolver *dns_factory_create_resolver( - grpc_resolver_factory *factory, grpc_resolver_args *args) { - return dns_create(args, "https"); + grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, + grpc_resolver_args *args) { + return dns_create(exec_ctx, args, "https"); } static char *dns_factory_get_default_host_name(grpc_resolver_factory *factory, diff --git a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c index 26a650aadd..c146a627cb 100644 --- a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c +++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c @@ -47,6 +47,7 @@ #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/resolve_address.h" #include "src/core/lib/iomgr/unix_sockets_posix.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" @@ -89,7 +90,7 @@ static void sockaddr_shutdown(grpc_exec_ctx *exec_ctx, gpr_mu_lock(&r->mu); if (r->next_completion != NULL) { *r->target_result = NULL; - grpc_exec_ctx_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE); r->next_completion = NULL; } gpr_mu_unlock(&r->mu); @@ -123,7 +124,7 @@ static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, grpc_arg arg = grpc_lb_addresses_create_channel_arg(r->addresses); *r->target_result = grpc_channel_args_copy_and_add(r->channel_args, &arg, 1); - grpc_exec_ctx_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE); r->next_completion = NULL; } } @@ -131,8 +132,8 @@ static void sockaddr_maybe_finish_next_locked(grpc_exec_ctx *exec_ctx, static void sockaddr_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) { sockaddr_resolver *r = (sockaddr_resolver *)gr; gpr_mu_destroy(&r->mu); - grpc_lb_addresses_destroy(r->addresses); - grpc_channel_args_destroy(r->channel_args); + grpc_lb_addresses_destroy(exec_ctx, r->addresses); + grpc_channel_args_destroy(exec_ctx, r->channel_args); gpr_free(r); } @@ -161,7 +162,8 @@ char *unix_get_default_authority(grpc_resolver_factory *factory, static void do_nothing(void *ignored) {} -static grpc_resolver *sockaddr_create(grpc_resolver_args *args, +static grpc_resolver *sockaddr_create(grpc_exec_ctx *exec_ctx, + grpc_resolver_args *args, int parse(grpc_uri *uri, grpc_resolved_address *dst)) { if (0 != strcmp(args->uri->authority, "")) { @@ -188,22 +190,17 @@ static grpc_resolver *sockaddr_create(grpc_resolver_args *args, gpr_free(part_str); if (errors_found) break; } - grpc_slice_buffer_destroy(&path_parts); - grpc_slice_unref(path_slice); + grpc_slice_buffer_destroy_internal(exec_ctx, &path_parts); + grpc_slice_unref_internal(exec_ctx, path_slice); if (errors_found) { - grpc_lb_addresses_destroy(addresses); + grpc_lb_addresses_destroy(exec_ctx, addresses); return NULL; } /* Instantiate resolver. */ sockaddr_resolver *r = gpr_malloc(sizeof(sockaddr_resolver)); memset(r, 0, sizeof(*r)); r->addresses = addresses; - grpc_arg server_name_arg; - server_name_arg.type = GRPC_ARG_STRING; - server_name_arg.key = GRPC_ARG_SERVER_NAME; - server_name_arg.value.string = args->uri->path; - r->channel_args = - grpc_channel_args_copy_and_add(args->args, &server_name_arg, 1); + r->channel_args = grpc_channel_args_copy(args->args); gpr_mu_init(&r->mu); grpc_resolver_init(&r->base, &sockaddr_resolver_vtable); return &r->base; @@ -219,8 +216,9 @@ static void sockaddr_factory_unref(grpc_resolver_factory *factory) {} #define DECL_FACTORY(name) \ static grpc_resolver *name##_factory_create_resolver( \ - grpc_resolver_factory *factory, grpc_resolver_args *args) { \ - return sockaddr_create(args, parse_##name); \ + grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, \ + grpc_resolver_args *args) { \ + return sockaddr_create(exec_ctx, args, parse_##name); \ } \ static const grpc_resolver_factory_vtable name##_factory_vtable = { \ sockaddr_factory_ref, sockaddr_factory_unref, \ diff --git a/src/core/ext/transport/README.md b/src/core/ext/transport/README.md new file mode 100644 index 0000000000..2290568784 --- /dev/null +++ b/src/core/ext/transport/README.md @@ -0,0 +1 @@ +Transports for gRPC diff --git a/src/core/ext/transport/chttp2/README.md b/src/core/ext/transport/chttp2/README.md new file mode 100644 index 0000000000..8880a47460 --- /dev/null +++ b/src/core/ext/transport/chttp2/README.md @@ -0,0 +1 @@ +CHTTP2 - gRPC's implementation of a HTTP2 based transport diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.c b/src/core/ext/transport/chttp2/client/chttp2_connector.c new file mode 100644 index 0000000000..013c96dc70 --- /dev/null +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.c @@ -0,0 +1,253 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" + +#include <grpc/grpc.h> + +#include <string.h> + +#include <grpc/slice_buffer.h> +#include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> + +#include "src/core/ext/client_channel/connector.h" +#include "src/core/ext/client_channel/http_connect_handshaker.h" +#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" +#include "src/core/lib/iomgr/tcp_client.h" +#include "src/core/lib/slice/slice_internal.h" + +typedef struct { + grpc_connector base; + + gpr_mu mu; + gpr_refcount refs; + + bool shutdown; + bool connecting; + + grpc_closure *notify; + grpc_connect_in_args args; + grpc_connect_out_args *result; + grpc_closure initial_string_sent; + grpc_slice_buffer initial_string_buffer; + + grpc_endpoint *endpoint; // Non-NULL until handshaking starts. + + grpc_closure connected; + + grpc_handshake_manager *handshake_mgr; +} chttp2_connector; + +static void chttp2_connector_ref(grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + gpr_ref(&c->refs); +} + +static void chttp2_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + if (gpr_unref(&c->refs)) { + /* c->initial_string_buffer does not need to be destroyed */ + gpr_mu_destroy(&c->mu); + // If handshaking is not yet in progress, destroy the endpoint. + // Otherwise, the handshaker will do this for us. + if (c->endpoint != NULL) grpc_endpoint_destroy(exec_ctx, c->endpoint); + gpr_free(c); + } +} + +static void chttp2_connector_shutdown(grpc_exec_ctx *exec_ctx, + grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + gpr_mu_lock(&c->mu); + c->shutdown = true; + if (c->handshake_mgr != NULL) { + grpc_handshake_manager_shutdown(exec_ctx, c->handshake_mgr); + } + // If handshaking is not yet in progress, shutdown the endpoint. + // Otherwise, the handshaker will do this for us. + if (!c->connecting && c->endpoint != NULL) { + grpc_endpoint_shutdown(exec_ctx, c->endpoint); + } + gpr_mu_unlock(&c->mu); +} + +static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_handshaker_args *args = arg; + chttp2_connector *c = args->user_data; + gpr_mu_lock(&c->mu); + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + // We were shut down after handshaking completed successfully, so + // destroy the endpoint here. + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, args->endpoint); + grpc_endpoint_destroy(exec_ctx, args->endpoint); + grpc_channel_args_destroy(exec_ctx, args->args); + grpc_slice_buffer_destroy_internal(exec_ctx, args->read_buffer); + gpr_free(args->read_buffer); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + } else { + c->result->transport = + grpc_create_chttp2_transport(exec_ctx, args->args, args->endpoint, 1); + GPR_ASSERT(c->result->transport); + grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, + args->read_buffer); + c->result->channel_args = args->args; + } + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); + c->handshake_mgr = NULL; + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, (grpc_connector *)c); +} + +static void start_handshake_locked(grpc_exec_ctx *exec_ctx, + chttp2_connector *c) { + c->handshake_mgr = grpc_handshake_manager_create(); + grpc_handshakers_add(exec_ctx, HANDSHAKER_CLIENT, c->args.channel_args, + c->handshake_mgr); + grpc_handshake_manager_do_handshake( + exec_ctx, c->handshake_mgr, c->endpoint, c->args.channel_args, + c->args.deadline, NULL /* acceptor */, on_handshake_done, c); + c->endpoint = NULL; // Endpoint handed off to handshake manager. +} + +static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + chttp2_connector *c = arg; + gpr_mu_lock(&c->mu); + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, arg); + } else { + start_handshake_locked(exec_ctx, c); + gpr_mu_unlock(&c->mu); + } +} + +static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { + chttp2_connector *c = arg; + gpr_mu_lock(&c->mu); + GPR_ASSERT(c->connecting); + c->connecting = false; + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + if (c->endpoint != NULL) grpc_endpoint_shutdown(exec_ctx, c->endpoint); + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, arg); + } else { + GPR_ASSERT(c->endpoint != NULL); + if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { + grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, + c, grpc_schedule_on_exec_ctx); + grpc_slice_buffer_init(&c->initial_string_buffer); + grpc_slice_buffer_add(&c->initial_string_buffer, + c->args.initial_connect_string); + grpc_endpoint_write(exec_ctx, c->endpoint, &c->initial_string_buffer, + &c->initial_string_sent); + } else { + start_handshake_locked(exec_ctx, c); + } + gpr_mu_unlock(&c->mu); + } +} + +static void chttp2_connector_connect(grpc_exec_ctx *exec_ctx, + grpc_connector *con, + const grpc_connect_in_args *args, + grpc_connect_out_args *result, + grpc_closure *notify) { + chttp2_connector *c = (chttp2_connector *)con; + grpc_resolved_address addr; + grpc_get_subchannel_address_arg(args->channel_args, &addr); + gpr_mu_lock(&c->mu); + GPR_ASSERT(c->notify == NULL); + c->notify = notify; + c->args = *args; + c->result = result; + GPR_ASSERT(c->endpoint == NULL); + chttp2_connector_ref(con); // Ref taken for callback. + grpc_closure_init(&c->connected, connected, c, grpc_schedule_on_exec_ctx); + GPR_ASSERT(!c->connecting); + c->connecting = true; + grpc_tcp_client_connect(exec_ctx, &c->connected, &c->endpoint, + args->interested_parties, args->channel_args, &addr, + args->deadline); + gpr_mu_unlock(&c->mu); +} + +static const grpc_connector_vtable chttp2_connector_vtable = { + chttp2_connector_ref, chttp2_connector_unref, chttp2_connector_shutdown, + chttp2_connector_connect}; + +grpc_connector *grpc_chttp2_connector_create() { + chttp2_connector *c = gpr_malloc(sizeof(*c)); + memset(c, 0, sizeof(*c)); + c->base.vtable = &chttp2_connector_vtable; + gpr_mu_init(&c->mu); + gpr_ref_init(&c->refs, 1); + return &c->base; +} diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.h b/src/core/ext/transport/chttp2/client/chttp2_connector.h new file mode 100644 index 0000000000..f5d1025432 --- /dev/null +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.h @@ -0,0 +1,41 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H +#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H + +#include "src/core/ext/client_channel/connector.h" + +grpc_connector* grpc_chttp2_connector_create(); + +#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H */ diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c index 8e03fd82c1..c9f4021216 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c @@ -33,138 +33,17 @@ #include <grpc/grpc.h> -#include <stdlib.h> #include <string.h> -#include <grpc/slice.h> -#include <grpc/slice_buffer.h> #include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/compress_filter.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_client_filter.h" -#include "src/core/lib/iomgr/tcp_client.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/channel.h" -// -// connector -// - -typedef struct { - grpc_connector base; - gpr_refcount refs; - - grpc_closure *notify; - grpc_connect_in_args args; - grpc_connect_out_args *result; - grpc_closure initial_string_sent; - grpc_slice_buffer initial_string_buffer; - - grpc_endpoint *tcp; - - grpc_closure connected; - - grpc_handshake_manager *handshake_mgr; -} connector; - -static void connector_ref(grpc_connector *con) { - connector *c = (connector *)con; - gpr_ref(&c->refs); -} - -static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - if (gpr_unref(&c->refs)) { - /* c->initial_string_buffer does not need to be destroyed */ - grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); - gpr_free(c); - } -} - -static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - connector_unref(exec_ctx, arg); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - connector *c = user_data; - if (error != GRPC_ERROR_NONE) { - grpc_channel_args_destroy(args); - gpr_free(read_buffer); - } else { - c->result->transport = - grpc_create_chttp2_transport(exec_ctx, args, endpoint, 1); - GPR_ASSERT(c->result->transport); - grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, - read_buffer); - c->result->channel_args = args; - } - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); -} - -static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - connector *c = arg; - grpc_endpoint *tcp = c->tcp; - if (tcp != NULL) { - if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { - grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, - c); - grpc_slice_buffer_init(&c->initial_string_buffer); - grpc_slice_buffer_add(&c->initial_string_buffer, - c->args.initial_connect_string); - connector_ref(arg); - grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer, - &c->initial_string_sent); - } else { - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, tcp, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); - } - } else { - memset(c->result, 0, sizeof(*c->result)); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_REF(error), NULL); - } -} - -static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) {} - -static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con, - const grpc_connect_in_args *args, - grpc_connect_out_args *result, - grpc_closure *notify) { - connector *c = (connector *)con; - GPR_ASSERT(c->notify == NULL); - GPR_ASSERT(notify->cb); - c->notify = notify; - c->args = *args; - c->result = result; - c->tcp = NULL; - grpc_closure_init(&c->connected, connected, c); - grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp, - args->interested_parties, args->channel_args, - args->addr, args->deadline); -} - -static const grpc_connector_vtable connector_vtable = { - connector_ref, connector_unref, connector_shutdown, connector_connect}; - -// -// client_channel_factory -// - static void client_channel_factory_ref( grpc_client_channel_factory *cc_factory) {} @@ -174,20 +53,9 @@ static void client_channel_factory_unref( static grpc_subchannel *client_channel_factory_create_subchannel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const grpc_subchannel_args *args) { - connector *c = gpr_malloc(sizeof(*c)); - memset(c, 0, sizeof(*c)); - c->base.vtable = &connector_vtable; - gpr_ref_init(&c->refs, 1); - c->handshake_mgr = grpc_handshake_manager_create(); - char *proxy_name = grpc_get_http_proxy_server(); - if (proxy_name != NULL) { - grpc_handshake_manager_add( - c->handshake_mgr, - grpc_http_connect_handshaker_create(proxy_name, args->server_name)); - gpr_free(proxy_name); - } - grpc_subchannel *s = grpc_subchannel_create(exec_ctx, &c->base, args); - grpc_connector_unref(exec_ctx, &c->base); + grpc_connector *connector = grpc_chttp2_connector_create(); + grpc_subchannel *s = grpc_subchannel_create(exec_ctx, connector, args); + grpc_connector_unref(exec_ctx, connector); return s; } @@ -195,19 +63,15 @@ static grpc_channel *client_channel_factory_create_channel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const char *target, grpc_client_channel_type type, const grpc_channel_args *args) { - grpc_channel *channel = - grpc_channel_create(exec_ctx, target, args, GRPC_CLIENT_CHANNEL, NULL); - grpc_resolver *resolver = grpc_resolver_create(target, args); - if (!resolver) { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, - "client_channel_factory_create_channel"); - return NULL; - } - - grpc_client_channel_finish_initialization( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver, cc_factory); - GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel"); - + // Add channel arg containing the server URI. + grpc_arg arg; + arg.type = GRPC_ARG_STRING; + arg.key = GRPC_ARG_SERVER_URI; + arg.value.string = (char *)target; + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + grpc_channel *channel = grpc_channel_create(exec_ctx, target, new_args, + GRPC_CLIENT_CHANNEL, NULL); + grpc_channel_args_destroy(exec_ctx, new_args); return channel; } @@ -230,16 +94,18 @@ grpc_channel *grpc_insecure_channel_create(const char *target, GRPC_API_TRACE( "grpc_insecure_channel_create(target=%p, args=%p, reserved=%p)", 3, (target, args, reserved)); - GPR_ASSERT(!reserved); - - grpc_client_channel_factory *factory = - (grpc_client_channel_factory *)&client_channel_factory; + GPR_ASSERT(reserved == NULL); + // Add channel arg containing the client channel factory. + grpc_arg arg = + grpc_client_channel_factory_create_channel_arg(&client_channel_factory); + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + // Create channel. grpc_channel *channel = client_channel_factory_create_channel( - &exec_ctx, factory, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, args); - - grpc_client_channel_factory_unref(&exec_ctx, factory); + &exec_ctx, &client_channel_factory, target, + GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); + // Clean up. + grpc_channel_args_destroy(&exec_ctx, new_args); grpc_exec_ctx_finish(&exec_ctx); - return channel != NULL ? channel : grpc_lame_client_channel_create( target, GRPC_STATUS_INTERNAL, "Failed to create client channel"); diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c index 1e5b1c22e3..f1069e2c57 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c @@ -74,7 +74,7 @@ grpc_channel *grpc_insecure_channel_create_from_fd( GPR_ASSERT(transport); grpc_channel *channel = grpc_channel_create( &exec_ctx, target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport); - grpc_channel_args_destroy(final_args); + grpc_channel_args_destroy(&exec_ctx, final_args); grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL); grpc_exec_ctx_finish(&exec_ctx); diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c index 04c88a2d36..f979d9bad5 100644 --- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c +++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c @@ -33,239 +33,31 @@ #include <grpc/grpc.h> -#include <stdlib.h> #include <string.h> -#include <grpc/slice.h> -#include <grpc/slice_buffer.h> #include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/iomgr/tcp_client.h" -#include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" -#include "src/core/lib/security/transport/auth_filters.h" +#include "src/core/lib/security/transport/security_connector.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/channel.h" -#include "src/core/lib/tsi/transport_security_interface.h" - -// -// connector -// - -typedef struct { - grpc_connector base; - gpr_refcount refs; - - grpc_channel_security_connector *security_connector; - - grpc_closure *notify; - grpc_connect_in_args args; - grpc_connect_out_args *result; - grpc_closure initial_string_sent; - grpc_slice_buffer initial_string_buffer; - - gpr_mu mu; - grpc_endpoint *connecting_endpoint; - grpc_endpoint *newly_connecting_endpoint; - - grpc_closure connected_closure; - - grpc_handshake_manager *handshake_mgr; - - // TODO(roth): Remove once we eliminate on_secure_handshake_done(). - grpc_channel_args *tmp_args; -} connector; - -static void connector_ref(grpc_connector *con) { - connector *c = (connector *)con; - gpr_ref(&c->refs); -} - -static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - if (gpr_unref(&c->refs)) { - /* c->initial_string_buffer does not need to be destroyed */ - grpc_channel_args_destroy(c->tmp_args); - grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); - gpr_free(c); - } -} - -static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, - grpc_security_status status, - grpc_endpoint *secure_endpoint, - grpc_auth_context *auth_context) { - connector *c = arg; - gpr_mu_lock(&c->mu); - grpc_error *error = GRPC_ERROR_NONE; - if (c->connecting_endpoint == NULL) { - memset(c->result, 0, sizeof(*c->result)); - gpr_mu_unlock(&c->mu); - } else if (status != GRPC_SECURITY_OK) { - error = grpc_error_set_int(GRPC_ERROR_CREATE("Secure handshake failed"), - GRPC_ERROR_INT_SECURITY_STATUS, status); - memset(c->result, 0, sizeof(*c->result)); - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - } else { - grpc_arg auth_context_arg; - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - c->result->transport = grpc_create_chttp2_transport( - exec_ctx, c->args.channel_args, secure_endpoint, 1); - grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL); - auth_context_arg = grpc_auth_context_to_arg(auth_context); - c->result->channel_args = - grpc_channel_args_copy_and_add(c->tmp_args, &auth_context_arg, 1); - } - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - connector *c = user_data; - c->tmp_args = args; - if (error != GRPC_ERROR_NONE) { - gpr_free(read_buffer); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); - } else { - // TODO(roth, jboeuf): Convert security connector handshaking to use new - // handshake API, and then move the code from on_secure_handshake_done() - // into this function. - grpc_channel_security_connector_do_handshake( - exec_ctx, c->security_connector, endpoint, read_buffer, - c->args.deadline, on_secure_handshake_done, c); - } -} - -static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - connector *c = arg; - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, c->connecting_endpoint, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); -} - -static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - connector *c = arg; - grpc_endpoint *tcp = c->newly_connecting_endpoint; - if (tcp != NULL) { - gpr_mu_lock(&c->mu); - GPR_ASSERT(c->connecting_endpoint == NULL); - c->connecting_endpoint = tcp; - gpr_mu_unlock(&c->mu); - if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { - grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, - c); - grpc_slice_buffer_init(&c->initial_string_buffer); - grpc_slice_buffer_add(&c->initial_string_buffer, - c->args.initial_connect_string); - grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer, - &c->initial_string_sent); - } else { - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, tcp, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); - } - } else { - memset(c->result, 0, sizeof(*c->result)); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_REF(error), NULL); - } -} - -static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - grpc_endpoint *ep; - gpr_mu_lock(&c->mu); - ep = c->connecting_endpoint; - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - if (ep) { - grpc_endpoint_shutdown(exec_ctx, ep); - } -} - -static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con, - const grpc_connect_in_args *args, - grpc_connect_out_args *result, - grpc_closure *notify) { - connector *c = (connector *)con; - GPR_ASSERT(c->notify == NULL); - c->notify = notify; - c->args = *args; - c->result = result; - gpr_mu_lock(&c->mu); - GPR_ASSERT(c->connecting_endpoint == NULL); - gpr_mu_unlock(&c->mu); - grpc_closure_init(&c->connected_closure, connected, c); - grpc_tcp_client_connect( - exec_ctx, &c->connected_closure, &c->newly_connecting_endpoint, - args->interested_parties, args->channel_args, args->addr, args->deadline); -} - -static const grpc_connector_vtable connector_vtable = { - connector_ref, connector_unref, connector_shutdown, connector_connect}; - -// -// client_channel_factory -// - -typedef struct { - grpc_client_channel_factory base; - gpr_refcount refs; - grpc_channel_security_connector *security_connector; -} client_channel_factory; static void client_channel_factory_ref( - grpc_client_channel_factory *cc_factory) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - gpr_ref(&f->refs); -} + grpc_client_channel_factory *cc_factory) {} static void client_channel_factory_unref( - grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - if (gpr_unref(&f->refs)) { - GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, - "client_channel_factory"); - gpr_free(f); - } -} + grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {} static grpc_subchannel *client_channel_factory_create_subchannel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const grpc_subchannel_args *args) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - connector *c = gpr_malloc(sizeof(*c)); - memset(c, 0, sizeof(*c)); - c->base.vtable = &connector_vtable; - c->security_connector = f->security_connector; - c->handshake_mgr = grpc_handshake_manager_create(); - char *proxy_name = grpc_get_http_proxy_server(); - if (proxy_name != NULL) { - grpc_handshake_manager_add( - c->handshake_mgr, - grpc_http_connect_handshaker_create(proxy_name, args->server_name)); - gpr_free(proxy_name); - } - gpr_mu_init(&c->mu); - gpr_ref_init(&c->refs, 1); - grpc_subchannel *s = grpc_subchannel_create(exec_ctx, &c->base, args); - grpc_connector_unref(exec_ctx, &c->base); + grpc_connector *connector = grpc_chttp2_connector_create(); + grpc_subchannel *s = grpc_subchannel_create(exec_ctx, connector, args); + grpc_connector_unref(exec_ctx, connector); return s; } @@ -273,19 +65,15 @@ static grpc_channel *client_channel_factory_create_channel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const char *target, grpc_client_channel_type type, const grpc_channel_args *args) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - grpc_channel *channel = - grpc_channel_create(exec_ctx, target, args, GRPC_CLIENT_CHANNEL, NULL); - grpc_resolver *resolver = grpc_resolver_create(target, args); - if (resolver != NULL) { - grpc_client_channel_finish_initialization( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver, &f->base); - GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create"); - } else { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, - "client_channel_factory_create_channel"); - channel = NULL; - } + // Add channel arg containing the server URI. + grpc_arg arg; + arg.type = GRPC_ARG_STRING; + arg.key = GRPC_ARG_SERVER_URI; + arg.value.string = (char *)target; + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + grpc_channel *channel = grpc_channel_create(exec_ctx, target, new_args, + GRPC_CLIENT_CHANNEL, NULL); + grpc_channel_args_destroy(exec_ctx, new_args); return channel; } @@ -294,6 +82,9 @@ static const grpc_client_channel_factory_vtable client_channel_factory_vtable = client_channel_factory_create_subchannel, client_channel_factory_create_channel}; +static grpc_client_channel_factory client_channel_factory = { + &client_channel_factory_vtable}; + /* Create a secure client channel: Asynchronously: - resolve target - connect to it (trying alternatives as presented) @@ -320,36 +111,32 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds, grpc_channel_security_connector *security_connector; grpc_channel_args *new_args_from_connector; if (grpc_channel_credentials_create_security_connector( - creds, target, args, &security_connector, &new_args_from_connector) != - GRPC_SECURITY_OK) { + &exec_ctx, creds, target, args, &security_connector, + &new_args_from_connector) != GRPC_SECURITY_OK) { grpc_exec_ctx_finish(&exec_ctx); return grpc_lame_client_channel_create( target, GRPC_STATUS_INTERNAL, "Failed to create security connector."); } - grpc_arg connector_arg = - grpc_security_connector_to_arg(&security_connector->base); + // Add channel args containing the client channel factory and security + // connector. + grpc_arg args_to_add[2]; + args_to_add[0] = + grpc_client_channel_factory_create_channel_arg(&client_channel_factory); + args_to_add[1] = grpc_security_connector_to_arg(&security_connector->base); grpc_channel_args *new_args = grpc_channel_args_copy_and_add( new_args_from_connector != NULL ? new_args_from_connector : args, - &connector_arg, 1); + args_to_add, GPR_ARRAY_SIZE(args_to_add)); if (new_args_from_connector != NULL) { - grpc_channel_args_destroy(new_args_from_connector); + grpc_channel_args_destroy(&exec_ctx, new_args_from_connector); } - // Create client channel factory. - client_channel_factory *f = gpr_malloc(sizeof(*f)); - memset(f, 0, sizeof(*f)); - f->base.vtable = &client_channel_factory_vtable; - gpr_ref_init(&f->refs, 1); - GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, - "grpc_secure_channel_create"); - f->security_connector = security_connector; // Create channel. grpc_channel *channel = client_channel_factory_create_channel( - &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); + &exec_ctx, &client_channel_factory, target, + GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); // Clean up. - GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, + GRPC_SECURITY_CONNECTOR_UNREF(&exec_ctx, &security_connector->base, "secure_client_channel_factory_create_channel"); - grpc_channel_args_destroy(new_args); - grpc_client_channel_factory_unref(&exec_ctx, &f->base); + grpc_channel_args_destroy(&exec_ctx, new_args); grpc_exec_ctx_finish(&exec_ctx); return channel; /* may be NULL */ } diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.c b/src/core/ext/transport/chttp2/server/chttp2_server.c new file mode 100644 index 0000000000..574d1a7710 --- /dev/null +++ b/src/core/ext/transport/chttp2/server/chttp2_server.c @@ -0,0 +1,342 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" + +#include <grpc/grpc.h> + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include <grpc/support/sync.h> +#include <grpc/support/useful.h> + +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" +#include "src/core/lib/channel/http_server_filter.h" +#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/iomgr/resolve_address.h" +#include "src/core/lib/iomgr/tcp_server.h" +#include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/surface/api_trace.h" +#include "src/core/lib/surface/server.h" + +typedef struct pending_handshake_manager_node { + grpc_handshake_manager *handshake_mgr; + struct pending_handshake_manager_node *next; +} pending_handshake_manager_node; + +typedef struct { + grpc_server *server; + grpc_tcp_server *tcp_server; + grpc_channel_args *args; + gpr_mu mu; + bool shutdown; + grpc_closure tcp_server_shutdown_complete; + grpc_closure *server_destroy_listener_done; + pending_handshake_manager_node *pending_handshake_mgrs; +} server_state; + +typedef struct { + server_state *server_state; + grpc_pollset *accepting_pollset; + grpc_tcp_server_acceptor *acceptor; + grpc_handshake_manager *handshake_mgr; +} server_connection_state; + +static void pending_handshake_manager_add_locked( + server_state *state, grpc_handshake_manager *handshake_mgr) { + pending_handshake_manager_node *node = gpr_malloc(sizeof(*node)); + node->handshake_mgr = handshake_mgr; + node->next = state->pending_handshake_mgrs; + state->pending_handshake_mgrs = node; +} + +static void pending_handshake_manager_remove_locked( + server_state *state, grpc_handshake_manager *handshake_mgr) { + pending_handshake_manager_node **prev_node = &state->pending_handshake_mgrs; + for (pending_handshake_manager_node *node = state->pending_handshake_mgrs; + node != NULL; node = node->next) { + if (node->handshake_mgr == handshake_mgr) { + *prev_node = node->next; + gpr_free(node); + break; + } + prev_node = &node->next; + } +} + +static void pending_handshake_manager_shutdown_locked(grpc_exec_ctx *exec_ctx, + server_state *state) { + pending_handshake_manager_node *prev_node = NULL; + for (pending_handshake_manager_node *node = state->pending_handshake_mgrs; + node != NULL; node = node->next) { + grpc_handshake_manager_shutdown(exec_ctx, node->handshake_mgr); + gpr_free(prev_node); + prev_node = node; + } + gpr_free(prev_node); + state->pending_handshake_mgrs = NULL; +} + +static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_handshaker_args *args = arg; + server_connection_state *connection_state = args->user_data; + gpr_mu_lock(&connection_state->server_state->mu); + if (error != GRPC_ERROR_NONE || connection_state->server_state->shutdown) { + const char *error_str = grpc_error_string(error); + gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); + grpc_error_free_string(error_str); + if (error == GRPC_ERROR_NONE && args->endpoint != NULL) { + // We were shut down after handshaking completed successfully, so + // destroy the endpoint here. + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, args->endpoint); + grpc_endpoint_destroy(exec_ctx, args->endpoint); + grpc_channel_args_destroy(exec_ctx, args->args); + grpc_slice_buffer_destroy_internal(exec_ctx, args->read_buffer); + gpr_free(args->read_buffer); + } + } else { + // If the handshaking succeeded but there is no endpoint, then the + // handshaker may have handed off the connection to some external + // code, so we can just clean up here without creating a transport. + if (args->endpoint != NULL) { + grpc_transport *transport = + grpc_create_chttp2_transport(exec_ctx, args->args, args->endpoint, 0); + grpc_server_setup_transport( + exec_ctx, connection_state->server_state->server, transport, + connection_state->accepting_pollset, args->args); + grpc_chttp2_transport_start_reading(exec_ctx, transport, + args->read_buffer); + grpc_channel_args_destroy(exec_ctx, args->args); + } + } + pending_handshake_manager_remove_locked(connection_state->server_state, + connection_state->handshake_mgr); + gpr_mu_unlock(&connection_state->server_state->mu); + grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); + grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp_server); + gpr_free(connection_state->acceptor); + gpr_free(connection_state); +} + +static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp, + grpc_pollset *accepting_pollset, + grpc_tcp_server_acceptor *acceptor) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + if (state->shutdown) { + gpr_mu_unlock(&state->mu); + grpc_endpoint_destroy(exec_ctx, tcp); + gpr_free(acceptor); + return; + } + grpc_handshake_manager *handshake_mgr = grpc_handshake_manager_create(); + pending_handshake_manager_add_locked(state, handshake_mgr); + gpr_mu_unlock(&state->mu); + grpc_tcp_server_ref(state->tcp_server); + server_connection_state *connection_state = + gpr_malloc(sizeof(*connection_state)); + connection_state->server_state = state; + connection_state->accepting_pollset = accepting_pollset; + connection_state->acceptor = acceptor; + connection_state->handshake_mgr = handshake_mgr; + grpc_handshakers_add(exec_ctx, HANDSHAKER_SERVER, state->args, + connection_state->handshake_mgr); + // TODO(roth): We should really get this timeout value from channel + // args instead of hard-coding it. + const gpr_timespec deadline = gpr_time_add( + gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); + grpc_handshake_manager_do_handshake(exec_ctx, connection_state->handshake_mgr, + tcp, state->args, deadline, acceptor, + on_handshake_done, connection_state); +} + +/* Server callback: start listening on our ports */ +static void server_start_listener(grpc_exec_ctx *exec_ctx, grpc_server *server, + void *arg, grpc_pollset **pollsets, + size_t pollset_count) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + state->shutdown = false; + gpr_mu_unlock(&state->mu); + grpc_tcp_server_start(exec_ctx, state->tcp_server, pollsets, pollset_count, + on_accept, state); +} + +static void tcp_server_shutdown_complete(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + server_state *state = arg; + /* ensure all threads have unlocked */ + gpr_mu_lock(&state->mu); + grpc_closure *destroy_done = state->server_destroy_listener_done; + GPR_ASSERT(state->shutdown); + pending_handshake_manager_shutdown_locked(exec_ctx, state); + gpr_mu_unlock(&state->mu); + // Flush queued work before destroying handshaker factory, since that + // may do a synchronous unref. + grpc_exec_ctx_flush(exec_ctx); + if (destroy_done != NULL) { + destroy_done->cb(exec_ctx, destroy_done->cb_arg, GRPC_ERROR_REF(error)); + grpc_exec_ctx_flush(exec_ctx); + } + grpc_channel_args_destroy(exec_ctx, state->args); + gpr_mu_destroy(&state->mu); + gpr_free(state); +} + +/* Server callback: destroy the tcp listener (so we don't generate further + callbacks) */ +static void server_destroy_listener(grpc_exec_ctx *exec_ctx, + grpc_server *server, void *arg, + grpc_closure *destroy_done) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + state->shutdown = true; + state->server_destroy_listener_done = destroy_done; + grpc_tcp_server *tcp_server = state->tcp_server; + gpr_mu_unlock(&state->mu); + grpc_tcp_server_shutdown_listeners(exec_ctx, tcp_server); + grpc_tcp_server_unref(exec_ctx, tcp_server); +} + +grpc_error *grpc_chttp2_server_add_port(grpc_exec_ctx *exec_ctx, + grpc_server *server, const char *addr, + grpc_channel_args *args, + int *port_num) { + grpc_resolved_addresses *resolved = NULL; + grpc_tcp_server *tcp_server = NULL; + size_t i; + size_t count = 0; + int port_temp; + grpc_error *err = GRPC_ERROR_NONE; + server_state *state = NULL; + grpc_error **errors = NULL; + + *port_num = -1; + + /* resolve address */ + err = grpc_blocking_resolve_address(addr, "https", &resolved); + if (err != GRPC_ERROR_NONE) { + goto error; + } + state = gpr_malloc(sizeof(*state)); + memset(state, 0, sizeof(*state)); + grpc_closure_init(&state->tcp_server_shutdown_complete, + tcp_server_shutdown_complete, state, + grpc_schedule_on_exec_ctx); + err = grpc_tcp_server_create(exec_ctx, &state->tcp_server_shutdown_complete, + args, &tcp_server); + if (err != GRPC_ERROR_NONE) { + goto error; + } + + state->server = server; + state->tcp_server = tcp_server; + state->args = args; + state->shutdown = true; + gpr_mu_init(&state->mu); + + const size_t naddrs = resolved->naddrs; + errors = gpr_malloc(sizeof(*errors) * naddrs); + for (i = 0; i < naddrs; i++) { + errors[i] = + grpc_tcp_server_add_port(tcp_server, &resolved->addrs[i], &port_temp); + if (errors[i] == GRPC_ERROR_NONE) { + if (*port_num == -1) { + *port_num = port_temp; + } else { + GPR_ASSERT(*port_num == port_temp); + } + count++; + } + } + if (count == 0) { + char *msg; + gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", + naddrs); + err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); + gpr_free(msg); + goto error; + } else if (count != naddrs) { + char *msg; + gpr_asprintf(&msg, "Only %" PRIuPTR + " addresses added out of total %" PRIuPTR " resolved", + count, naddrs); + err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); + gpr_free(msg); + + const char *warning_message = grpc_error_string(err); + gpr_log(GPR_INFO, "WARNING: %s", warning_message); + grpc_error_free_string(warning_message); + /* we managed to bind some addresses: continue */ + } + grpc_resolved_addresses_destroy(resolved); + + /* Register with the server only upon success */ + grpc_server_add_listener(exec_ctx, server, state, server_start_listener, + server_destroy_listener); + goto done; + +/* Error path: cleanup and return */ +error: + GPR_ASSERT(err != GRPC_ERROR_NONE); + if (resolved) { + grpc_resolved_addresses_destroy(resolved); + } + if (tcp_server) { + grpc_tcp_server_unref(exec_ctx, tcp_server); + } else { + grpc_channel_args_destroy(exec_ctx, args); + gpr_free(state); + } + *port_num = 0; + +done: + if (errors != NULL) { + for (i = 0; i < naddrs; i++) { + GRPC_ERROR_UNREF(errors[i]); + } + gpr_free(errors); + } + return err; +} diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.h b/src/core/ext/transport/chttp2/server/chttp2_server.h new file mode 100644 index 0000000000..2581ebaae9 --- /dev/null +++ b/src/core/ext/transport/chttp2/server/chttp2_server.h @@ -0,0 +1,47 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H +#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/iomgr/exec_ctx.h" + +/// Adds a port to \a server. Sets \a port_num to the port number. +/// Takes ownership of \a args. +grpc_error *grpc_chttp2_server_add_port(grpc_exec_ctx *exec_ctx, + grpc_server *server, const char *addr, + grpc_channel_args *args, int *port_num); + +#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H */ diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c index c18d618f96..bf5026bea6 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c @@ -33,180 +33,27 @@ #include <grpc/grpc.h> -#include <grpc/support/alloc.h> #include <grpc/support/log.h> -#include <grpc/support/string_util.h> -#include <grpc/support/useful.h> -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_server_filter.h" -#include "src/core/lib/iomgr/resolve_address.h" -#include "src/core/lib/iomgr/tcp_server.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/server.h" -typedef struct server_connect_state { - grpc_server *server; - grpc_pollset *accepting_pollset; - grpc_tcp_server_acceptor *acceptor; - grpc_handshake_manager *handshake_mgr; -} server_connect_state; - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - server_connect_state *state = user_data; - if (error != GRPC_ERROR_NONE) { - const char *error_str = grpc_error_string(error); - gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); - grpc_error_free_string(error_str); - GRPC_ERROR_UNREF(error); - grpc_handshake_manager_shutdown(exec_ctx, state->handshake_mgr); - gpr_free(read_buffer); - } else { - // Beware that the call to grpc_create_chttp2_transport() has to happen - // before grpc_tcp_server_destroy(). This is fine here, but similar code - // asynchronously doing a handshake instead of calling - // grpc_tcp_server_start() (as in server_secure_chttp2.c) needs to add - // synchronization to avoid this case. - grpc_transport *transport = - grpc_create_chttp2_transport(exec_ctx, args, endpoint, 0); - grpc_server_setup_transport(exec_ctx, state->server, transport, - state->accepting_pollset, - grpc_server_get_channel_args(state->server)); - grpc_chttp2_transport_start_reading(exec_ctx, transport, read_buffer); - } - // Clean up. - grpc_channel_args_destroy(args); - grpc_handshake_manager_destroy(exec_ctx, state->handshake_mgr); - gpr_free(state); -} - -static void on_accept(grpc_exec_ctx *exec_ctx, void *server, grpc_endpoint *tcp, - grpc_pollset *accepting_pollset, - grpc_tcp_server_acceptor *acceptor) { - server_connect_state *state = gpr_malloc(sizeof(server_connect_state)); - state->server = server; - state->accepting_pollset = accepting_pollset; - state->acceptor = acceptor; - state->handshake_mgr = grpc_handshake_manager_create(); - // TODO(roth): We should really get this timeout value from channel - // args instead of hard-coding it. - const gpr_timespec deadline = gpr_time_add( - gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); - grpc_handshake_manager_do_handshake( - exec_ctx, state->handshake_mgr, tcp, grpc_server_get_channel_args(server), - deadline, acceptor, on_handshake_done, state); -} - -/* Server callback: start listening on our ports */ -static void start(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, - grpc_pollset **pollsets, size_t pollset_count) { - grpc_tcp_server *tcp = tcpp; - grpc_tcp_server_start(exec_ctx, tcp, pollsets, pollset_count, on_accept, - server); -} - -/* Server callback: destroy the tcp listener (so we don't generate further - callbacks) */ -static void destroy(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, - grpc_closure *destroy_done) { - grpc_tcp_server *tcp = tcpp; - grpc_tcp_server_shutdown_listeners(exec_ctx, tcp); - grpc_tcp_server_unref(exec_ctx, tcp); - grpc_exec_ctx_sched(exec_ctx, destroy_done, GRPC_ERROR_NONE, NULL); -} - int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr) { - grpc_resolved_addresses *resolved = NULL; - grpc_tcp_server *tcp = NULL; - size_t i; - size_t count = 0; - int port_num = -1; - int port_temp; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_error *err = GRPC_ERROR_NONE; - + int port_num = 0; GRPC_API_TRACE("grpc_server_add_insecure_http2_port(server=%p, addr=%s)", 2, (server, addr)); - - grpc_error **errors = NULL; - err = grpc_blocking_resolve_address(addr, "https", &resolved); - if (err != GRPC_ERROR_NONE) { - goto error; - } - - err = grpc_tcp_server_create(&exec_ctx, NULL, - grpc_server_get_channel_args(server), &tcp); + grpc_error *err = grpc_chttp2_server_add_port( + &exec_ctx, server, addr, + grpc_channel_args_copy(grpc_server_get_channel_args(server)), &port_num); if (err != GRPC_ERROR_NONE) { - goto error; - } - - const size_t naddrs = resolved->naddrs; - errors = gpr_malloc(sizeof(*errors) * naddrs); - for (i = 0; i < naddrs; i++) { - errors[i] = grpc_tcp_server_add_port(tcp, &resolved->addrs[i], &port_temp); - if (errors[i] == GRPC_ERROR_NONE) { - if (port_num == -1) { - port_num = port_temp; - } else { - GPR_ASSERT(port_num == port_temp); - } - count++; - } + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "%s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); } - if (count == 0) { - char *msg; - gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", - naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); - gpr_free(msg); - goto error; - } else if (count != naddrs) { - char *msg; - gpr_asprintf(&msg, "Only %" PRIuPTR - " addresses added out of total %" PRIuPTR " resolved", - count, naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); - gpr_free(msg); - - const char *warning_message = grpc_error_string(err); - gpr_log(GPR_INFO, "WARNING: %s", warning_message); - grpc_error_free_string(warning_message); - /* we managed to bind some addresses: continue */ - } - grpc_resolved_addresses_destroy(resolved); - - /* Register with the server only upon success */ - grpc_server_add_listener(&exec_ctx, server, tcp, start, destroy); - goto done; - -/* Error path: cleanup and return */ -error: - GPR_ASSERT(err != GRPC_ERROR_NONE); - if (resolved) { - grpc_resolved_addresses_destroy(resolved); - } - if (tcp) { - grpc_tcp_server_unref(&exec_ctx, tcp); - } - port_num = 0; - - const char *msg = grpc_error_string(err); - gpr_log(GPR_ERROR, "%s", msg); - grpc_error_free_string(msg); - GRPC_ERROR_UNREF(err); - -done: grpc_exec_ctx_finish(&exec_ctx); - if (errors != NULL) { - for (i = 0; i < naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - } - gpr_free(errors); return port_num; } diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c index aa2ecf5743..f46e849932 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c @@ -62,7 +62,7 @@ void grpc_server_add_insecure_channel_from_fd(grpc_server *server, grpc_endpoint *server_endpoint = grpc_tcp_create(grpc_fd_create(fd, name), resource_quota, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name); - grpc_resource_quota_internal_unref(&exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(&exec_ctx, resource_quota); gpr_free(name); diff --git a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c index 942638ad7f..395c79a71d 100644 --- a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c +++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c @@ -38,218 +38,35 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> -#include <grpc/support/sync.h> -#include <grpc/support/useful.h> + +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" + #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_server_filter.h" -#include "src/core/lib/iomgr/endpoint.h" -#include "src/core/lib/iomgr/resolve_address.h" -#include "src/core/lib/iomgr/tcp_server.h" #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" -#include "src/core/lib/security/transport/auth_filters.h" -#include "src/core/lib/security/transport/security_connector.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/server.h" -typedef struct server_secure_state { - grpc_server *server; - grpc_tcp_server *tcp; - grpc_server_security_connector *sc; - grpc_server_credentials *creds; - bool is_shutdown; - gpr_mu mu; - grpc_closure tcp_server_shutdown_complete; - grpc_closure *server_destroy_listener_done; -} server_secure_state; - -typedef struct server_secure_connect { - server_secure_state *server_state; - grpc_pollset *accepting_pollset; - grpc_tcp_server_acceptor *acceptor; - grpc_handshake_manager *handshake_mgr; - // TODO(roth): Remove the following two fields when we eliminate - // grpc_server_security_connector_do_handshake(). - gpr_timespec deadline; - grpc_channel_args *args; -} server_secure_connect; - -static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *statep, - grpc_security_status status, - grpc_endpoint *secure_endpoint, - grpc_auth_context *auth_context) { - server_secure_connect *connection_state = statep; - if (status == GRPC_SECURITY_OK) { - if (secure_endpoint) { - gpr_mu_lock(&connection_state->server_state->mu); - if (!connection_state->server_state->is_shutdown) { - grpc_transport *transport = grpc_create_chttp2_transport( - exec_ctx, grpc_server_get_channel_args( - connection_state->server_state->server), - secure_endpoint, 0); - grpc_arg args_to_add[2]; - args_to_add[0] = grpc_server_credentials_to_arg( - connection_state->server_state->creds); - args_to_add[1] = grpc_auth_context_to_arg(auth_context); - grpc_channel_args *args_copy = grpc_channel_args_copy_and_add( - connection_state->args, args_to_add, GPR_ARRAY_SIZE(args_to_add)); - grpc_server_setup_transport( - exec_ctx, connection_state->server_state->server, transport, - connection_state->accepting_pollset, args_copy); - grpc_channel_args_destroy(args_copy); - grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL); - } else { - /* We need to consume this here, because the server may already have - * gone away. */ - grpc_endpoint_destroy(exec_ctx, secure_endpoint); - } - gpr_mu_unlock(&connection_state->server_state->mu); - } - } else { - gpr_log(GPR_ERROR, "Secure transport failed with error %d", status); - } - grpc_channel_args_destroy(connection_state->args); - grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp); - gpr_free(connection_state); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - server_secure_connect *connection_state = user_data; - if (error != GRPC_ERROR_NONE) { - const char *error_str = grpc_error_string(error); - gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); - grpc_error_free_string(error_str); - GRPC_ERROR_UNREF(error); - grpc_channel_args_destroy(args); - gpr_free(read_buffer); - grpc_handshake_manager_shutdown(exec_ctx, connection_state->handshake_mgr); - grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); - grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp); - gpr_free(connection_state); - return; - } - grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); - connection_state->handshake_mgr = NULL; - // TODO(roth, jboeuf): Convert security connector handshaking to use new - // handshake API, and then move the code from on_secure_handshake_done() - // into this function. - connection_state->args = args; - grpc_server_security_connector_do_handshake( - exec_ctx, connection_state->server_state->sc, connection_state->acceptor, - endpoint, read_buffer, connection_state->deadline, - on_secure_handshake_done, connection_state); -} - -static void on_accept(grpc_exec_ctx *exec_ctx, void *statep, grpc_endpoint *tcp, - grpc_pollset *accepting_pollset, - grpc_tcp_server_acceptor *acceptor) { - server_secure_state *server_state = statep; - server_secure_connect *connection_state = NULL; - gpr_mu_lock(&server_state->mu); - if (server_state->is_shutdown) { - gpr_mu_unlock(&server_state->mu); - grpc_endpoint_destroy(exec_ctx, tcp); - return; - } - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_ref(server_state->tcp); - connection_state = gpr_malloc(sizeof(*connection_state)); - connection_state->server_state = server_state; - connection_state->accepting_pollset = accepting_pollset; - connection_state->acceptor = acceptor; - connection_state->handshake_mgr = grpc_handshake_manager_create(); - // TODO(roth): We should really get this timeout value from channel - // args instead of hard-coding it. - connection_state->deadline = gpr_time_add( - gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); - grpc_handshake_manager_do_handshake( - exec_ctx, connection_state->handshake_mgr, tcp, - grpc_server_get_channel_args(connection_state->server_state->server), - connection_state->deadline, acceptor, on_handshake_done, - connection_state); -} - -/* Server callback: start listening on our ports */ -static void server_start_listener(grpc_exec_ctx *exec_ctx, grpc_server *server, - void *statep, grpc_pollset **pollsets, - size_t pollset_count) { - server_secure_state *server_state = statep; - gpr_mu_lock(&server_state->mu); - server_state->is_shutdown = false; - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_start(exec_ctx, server_state->tcp, pollsets, pollset_count, - on_accept, server_state); -} - -static void tcp_server_shutdown_complete(grpc_exec_ctx *exec_ctx, void *statep, - grpc_error *error) { - server_secure_state *server_state = statep; - /* ensure all threads have unlocked */ - gpr_mu_lock(&server_state->mu); - grpc_closure *destroy_done = server_state->server_destroy_listener_done; - GPR_ASSERT(server_state->is_shutdown); - gpr_mu_unlock(&server_state->mu); - /* clean up */ - grpc_server_security_connector_shutdown(exec_ctx, server_state->sc); - - /* Flush queued work before a synchronous unref. */ - grpc_exec_ctx_flush(exec_ctx); - GRPC_SECURITY_CONNECTOR_UNREF(&server_state->sc->base, "server"); - grpc_server_credentials_unref(server_state->creds); - - if (destroy_done != NULL) { - destroy_done->cb(exec_ctx, destroy_done->cb_arg, GRPC_ERROR_REF(error)); - grpc_exec_ctx_flush(exec_ctx); - } - gpr_free(server_state); -} - -static void server_destroy_listener(grpc_exec_ctx *exec_ctx, - grpc_server *server, void *statep, - grpc_closure *callback) { - server_secure_state *server_state = statep; - grpc_tcp_server *tcp; - gpr_mu_lock(&server_state->mu); - server_state->is_shutdown = true; - server_state->server_destroy_listener_done = callback; - tcp = server_state->tcp; - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_shutdown_listeners(exec_ctx, tcp); - grpc_tcp_server_unref(exec_ctx, server_state->tcp); -} - int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr, grpc_server_credentials *creds) { - grpc_resolved_addresses *resolved = NULL; - grpc_tcp_server *tcp = NULL; - server_secure_state *server_state = NULL; - size_t i; - size_t count = 0; - int port_num = -1; - int port_temp; - grpc_security_status status = GRPC_SECURITY_ERROR; - grpc_server_security_connector *sc = NULL; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_error *err = GRPC_ERROR_NONE; - grpc_error **errors = NULL; - + grpc_server_security_connector *sc = NULL; + int port_num = 0; GRPC_API_TRACE( "grpc_server_add_secure_http2_port(" "server=%p, addr=%s, creds=%p)", 3, (server, addr, creds)); - - /* create security context */ + // Create security context. if (creds == NULL) { err = GRPC_ERROR_CREATE( "No credentials specified for secure server port (creds==NULL)"); - goto error; + goto done; } - status = grpc_server_credentials_create_security_connector(creds, &sc); + grpc_security_status status = + grpc_server_credentials_create_security_connector(&exec_ctx, creds, &sc); if (status != GRPC_SECURITY_OK) { char *msg; gpr_asprintf(&msg, @@ -258,107 +75,27 @@ int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr, err = grpc_error_set_int(GRPC_ERROR_CREATE(msg), GRPC_ERROR_INT_SECURITY_STATUS, status); gpr_free(msg); - goto error; + goto done; } - sc->channel_args = grpc_server_get_channel_args(server); - - /* resolve address */ - err = grpc_blocking_resolve_address(addr, "https", &resolved); - if (err != GRPC_ERROR_NONE) { - goto error; + // Create channel args. + grpc_arg args_to_add[2]; + args_to_add[0] = grpc_server_credentials_to_arg(creds); + args_to_add[1] = grpc_security_connector_to_arg(&sc->base); + grpc_channel_args *args = + grpc_channel_args_copy_and_add(grpc_server_get_channel_args(server), + args_to_add, GPR_ARRAY_SIZE(args_to_add)); + // Add server port. + err = grpc_chttp2_server_add_port(&exec_ctx, server, addr, args, &port_num); +done: + if (sc != NULL) { + GRPC_SECURITY_CONNECTOR_UNREF(&exec_ctx, &sc->base, "server"); } - server_state = gpr_malloc(sizeof(*server_state)); - memset(server_state, 0, sizeof(*server_state)); - grpc_closure_init(&server_state->tcp_server_shutdown_complete, - tcp_server_shutdown_complete, server_state); - err = grpc_tcp_server_create(&exec_ctx, - &server_state->tcp_server_shutdown_complete, - grpc_server_get_channel_args(server), &tcp); + grpc_exec_ctx_finish(&exec_ctx); if (err != GRPC_ERROR_NONE) { - goto error; + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "%s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); } - - server_state->server = server; - server_state->tcp = tcp; - server_state->sc = sc; - server_state->creds = grpc_server_credentials_ref(creds); - server_state->is_shutdown = true; - gpr_mu_init(&server_state->mu); - - errors = gpr_malloc(sizeof(*errors) * resolved->naddrs); - for (i = 0; i < resolved->naddrs; i++) { - errors[i] = grpc_tcp_server_add_port(tcp, &resolved->addrs[i], &port_temp); - if (errors[i] == GRPC_ERROR_NONE) { - if (port_num == -1) { - port_num = port_temp; - } else { - GPR_ASSERT(port_num == port_temp); - } - count++; - } - } - if (count == 0) { - char *msg; - gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", - resolved->naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, resolved->naddrs); - gpr_free(msg); - goto error; - } else if (count != resolved->naddrs) { - char *msg; - gpr_asprintf(&msg, "Only %" PRIuPTR - " addresses added out of total %" PRIuPTR " resolved", - count, resolved->naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, resolved->naddrs); - gpr_free(msg); - - const char *warning_message = grpc_error_string(err); - gpr_log(GPR_INFO, "WARNING: %s", warning_message); - grpc_error_free_string(warning_message); - /* we managed to bind some addresses: continue */ - } else { - for (i = 0; i < resolved->naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - } - gpr_free(errors); - errors = NULL; - grpc_resolved_addresses_destroy(resolved); - - /* Register with the server only upon success */ - grpc_server_add_listener(&exec_ctx, server, server_state, - server_start_listener, server_destroy_listener); - - grpc_exec_ctx_finish(&exec_ctx); return port_num; - -/* Error path: cleanup and return */ -error: - GPR_ASSERT(err != GRPC_ERROR_NONE); - if (errors != NULL) { - for (i = 0; i < resolved->naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - gpr_free(errors); - } - if (resolved) { - grpc_resolved_addresses_destroy(resolved); - } - if (tcp) { - grpc_tcp_server_unref(&exec_ctx, tcp); - } else { - if (sc) { - grpc_exec_ctx_flush(&exec_ctx); - GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "server"); - } - if (server_state) { - gpr_free(server_state); - } - } - grpc_exec_ctx_finish(&exec_ctx); - const char *msg = grpc_error_string(err); - GRPC_ERROR_UNREF(err); - gpr_log(GPR_ERROR, "%s", msg); - grpc_error_free_string(msg); - return 0; } diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c index 3eef80b557..8db36e4a7f 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c @@ -34,6 +34,7 @@ #include "src/core/ext/transport/chttp2/transport/bin_decoder.h" #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" @@ -143,7 +144,8 @@ bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx) { return true; } -grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { +grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, + grpc_slice input) { size_t input_length = GRPC_SLICE_LENGTH(input); size_t output_length = input_length / 4 * 3; struct grpc_base64_decode_context ctx; @@ -179,7 +181,7 @@ grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { char *s = grpc_dump_slice(input, GPR_DUMP_ASCII); gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); gpr_free(s); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output)); @@ -187,7 +189,8 @@ grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { return output; } -grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, +grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx, + grpc_slice input, size_t output_length) { size_t input_length = GRPC_SLICE_LENGTH(input); grpc_slice output = grpc_slice_malloc(output_length); @@ -200,7 +203,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, "grpc_chttp2_base64_decode_with_length has a length of %d, which " "has a tail of 1 byte.\n", (int)input_length); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } @@ -210,7 +213,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, "than the max possible output length %d.\n", (int)output_length, (int)(input_length / 4 * 3 + tail_xtra[input_length % 4])); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } @@ -224,7 +227,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, char *s = grpc_dump_slice(input, GPR_DUMP_ASCII); gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); gpr_free(s); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output)); diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.h b/src/core/ext/transport/chttp2/transport/bin_decoder.h index 83a90be519..48ffb2ae3b 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.h +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.h @@ -55,12 +55,13 @@ bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx); /* base64 decode a slice with pad chars. Returns a new slice, does not take ownership of the input. Returns an empty slice if decoding is failed. */ -grpc_slice grpc_chttp2_base64_decode(grpc_slice input); +grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, grpc_slice input); /* base64 decode a slice without pad chars, data length is needed. Returns a new slice, does not take ownership of the input. Returns an empty slice if decoding is failed. */ -grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, +grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx, + grpc_slice input, size_t output_length); #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H */ diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h index 9e143b46e2..477559d0e2 100644 --- a/src/core/ext/transport/chttp2/transport/bin_encoder.h +++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h @@ -47,7 +47,7 @@ grpc_slice grpc_chttp2_huffman_compress(grpc_slice input); /* equivalent to: grpc_slice x = grpc_chttp2_base64_encode(input); grpc_slice y = grpc_chttp2_huffman_compress(x); - grpc_slice_unref(x); + grpc_slice_unref_internal(exec_ctx, x); return y; */ grpc_slice grpc_chttp2_base64_encode_and_huffman_compress_impl( grpc_slice input); diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 4e3c7ff681..68a6a2155d 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -47,10 +47,12 @@ #include "src/core/ext/transport/chttp2/transport/http2_errors.h" #include "src/core/ext/transport/chttp2/transport/internal.h" #include "src/core/ext/transport/chttp2/transport/status_conversion.h" +#include "src/core/ext/transport/chttp2/transport/varint.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/http/parser.h" #include "src/core/lib/iomgr/workqueue.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" @@ -60,7 +62,7 @@ #define DEFAULT_WINDOW 65535 #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024) #define MAX_WINDOW 0x7fffffffu - +#define MAX_WRITE_BUFFER_SIZE (64 * 1024 * 1024) #define DEFAULT_MAX_HEADER_LIST_SIZE (16 * 1024) #define MAX_CLIENT_STREAM_ID 0x7fffffffu @@ -73,20 +75,14 @@ static const grpc_transport_vtable vtable; static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void write_action(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void write_action_end(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void read_action_begin(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void read_action_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void complete_fetch_locked(grpc_exec_ctx *exec_ctx, void *gs, grpc_error *error); -static void complete_fetch(grpc_exec_ctx *exec_ctx, void *gs, - grpc_error *error); /** Set a transport level setting, and push it to our peer */ static void push_setting(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_setting_id id, uint32_t value); @@ -111,16 +107,9 @@ static void incoming_byte_stream_update_flow_control(grpc_exec_ctx *exec_ctx, static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, void *byte_stream, grpc_error *error_ignored); -static void fail_pending_writes(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_chttp2_stream *s, - grpc_error *error); -static void benign_reclaimer(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void destructive_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); @@ -144,13 +133,13 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, grpc_endpoint_destroy(exec_ctx, t->ep); - grpc_slice_buffer_destroy(&t->qbuf); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->qbuf); - grpc_slice_buffer_destroy(&t->outbuf); - grpc_chttp2_hpack_compressor_destroy(&t->hpack_compressor); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->outbuf); + grpc_chttp2_hpack_compressor_destroy(exec_ctx, &t->hpack_compressor); - grpc_slice_buffer_destroy(&t->read_buffer); - grpc_chttp2_hpack_parser_destroy(&t->hpack_parser); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->read_buffer); + grpc_chttp2_hpack_parser_destroy(exec_ctx, &t->hpack_parser); grpc_chttp2_goaway_parser_destroy(&t->goaway_parser); for (i = 0; i < STREAM_LIST_COUNT; i++) { @@ -169,8 +158,8 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, and maybe they hold resources that need to be freed */ while (t->pings.next != &t->pings) { grpc_chttp2_outstanding_ping *ping = t->pings.next; - grpc_exec_ctx_sched(exec_ctx, ping->on_recv, - GRPC_ERROR_CREATE("Transport closed"), NULL); + grpc_closure_sched(exec_ctx, ping->on_recv, + GRPC_ERROR_CREATE("Transport closed")); ping->next->prev = ping->prev; ping->prev->next = ping->next; gpr_free(ping); @@ -249,21 +238,18 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_slice_buffer_init(&t->outbuf); grpc_chttp2_hpack_compressor_init(&t->hpack_compressor); - grpc_closure_init(&t->write_action_begin_locked, write_action_begin_locked, - t); - grpc_closure_init(&t->write_action, write_action, t); - grpc_closure_init(&t->write_action_end, write_action_end, t); - grpc_closure_init(&t->write_action_end_locked, write_action_end_locked, t); - grpc_closure_init(&t->read_action_begin, read_action_begin, t); - grpc_closure_init(&t->read_action_locked, read_action_locked, t); - grpc_closure_init(&t->benign_reclaimer, benign_reclaimer, t); - grpc_closure_init(&t->destructive_reclaimer, destructive_reclaimer, t); - grpc_closure_init(&t->benign_reclaimer_locked, benign_reclaimer_locked, t); + grpc_closure_init(&t->write_action, write_action, t, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&t->read_action_locked, read_action_locked, t, + grpc_combiner_scheduler(t->combiner, false)); + grpc_closure_init(&t->benign_reclaimer_locked, benign_reclaimer_locked, t, + grpc_combiner_scheduler(t->combiner, false)); grpc_closure_init(&t->destructive_reclaimer_locked, - destructive_reclaimer_locked, t); + destructive_reclaimer_locked, t, + grpc_combiner_scheduler(t->combiner, false)); grpc_chttp2_goaway_parser_init(&t->goaway_parser); - grpc_chttp2_hpack_parser_init(&t->hpack_parser); + grpc_chttp2_hpack_parser_init(exec_ctx, &t->hpack_parser); grpc_slice_buffer_init(&t->read_buffer); @@ -285,6 +271,7 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, window -- this should by rights be 0 */ t->force_send_settings = 1 << GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; t->sent_local_settings = 0; + t->write_buffer_size = DEFAULT_WINDOW; if (is_client) { grpc_slice_buffer_add(&t->outbuf, grpc_slice_from_copied_string( @@ -335,6 +322,11 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_hpack_compressor_set_max_usable_size(&t->hpack_compressor, (uint32_t)value); } + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_WRITE_BUFFER_SIZE)) { + t->write_buffer_size = (uint32_t)grpc_channel_arg_get_integer( + &channel_args->args[i], + (grpc_integer_options){0, 0, MAX_WRITE_BUFFER_SIZE}); } else { static const struct { const char *channel_arg_name; @@ -398,9 +390,10 @@ static void destroy_transport_locked(grpc_exec_ctx *exec_ctx, void *tp, static void destroy_transport(grpc_exec_ctx *exec_ctx, grpc_transport *gt) { grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; - grpc_combiner_execute(exec_ctx, t->combiner, - grpc_closure_create(destroy_transport_locked, t), - GRPC_ERROR_NONE, false); + grpc_closure_sched(exec_ctx, grpc_closure_create( + destroy_transport_locked, t, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); } static void close_transport_locked(grpc_exec_ctx *exec_ctx, @@ -474,8 +467,8 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_chttp2_data_parser_init(&s->data_parser); grpc_slice_buffer_init(&s->flow_controlled_buffer); s->deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); - grpc_closure_init(&s->complete_fetch, complete_fetch, s); - grpc_closure_init(&s->complete_fetch_locked, complete_fetch_locked, s); + grpc_closure_init(&s->complete_fetch_locked, complete_fetch_locked, s, + grpc_schedule_on_exec_ctx); GRPC_CHTTP2_REF_TRANSPORT(t, "stream"); @@ -530,9 +523,11 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, GPR_ASSERT(s->recv_message_ready == NULL); GPR_ASSERT(s->recv_trailing_metadata_finished == NULL); grpc_chttp2_data_parser_destroy(exec_ctx, &s->data_parser); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[0]); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[1]); - grpc_slice_buffer_destroy(&s->flow_controlled_buffer); + grpc_chttp2_incoming_metadata_buffer_destroy(exec_ctx, + &s->metadata_buffer[0]); + grpc_chttp2_incoming_metadata_buffer_destroy(exec_ctx, + &s->metadata_buffer[1]); + grpc_slice_buffer_destroy_internal(exec_ctx, &s->flow_controlled_buffer); GRPC_ERROR_UNREF(s->read_closed_error); GRPC_ERROR_UNREF(s->write_closed_error); @@ -550,9 +545,10 @@ static void destroy_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; s->destroy_stream_arg = and_free_memory; - grpc_closure_init(&s->destroy_stream, destroy_stream_locked, s); - grpc_combiner_execute(exec_ctx, t->combiner, &s->destroy_stream, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, grpc_closure_init(&s->destroy_stream, destroy_stream_locked, s, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("destroy_stream", 0); } @@ -602,11 +598,13 @@ static void set_write_state(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, write_state_name(t->write_state), write_state_name(st), reason)); t->write_state = st; - if (st == GRPC_CHTTP2_WRITE_STATE_IDLE && - t->close_transport_on_writes_finished != NULL) { - grpc_error *err = t->close_transport_on_writes_finished; - t->close_transport_on_writes_finished = NULL; - close_transport_locked(exec_ctx, t, err); + if (st == GRPC_CHTTP2_WRITE_STATE_IDLE) { + grpc_closure_list_sched(exec_ctx, &t->run_after_write); + if (t->close_transport_on_writes_finished != NULL) { + grpc_error *err = t->close_transport_on_writes_finished; + t->close_transport_on_writes_finished = NULL; + close_transport_locked(exec_ctx, t, err); + } } } @@ -619,9 +617,12 @@ void grpc_chttp2_initiate_write(grpc_exec_ctx *exec_ctx, case GRPC_CHTTP2_WRITE_STATE_IDLE: set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, reason); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, covered_by_poller); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &t->write_action_begin_locked, write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, covered_by_poller)), + GRPC_ERROR_NONE); break; case GRPC_CHTTP2_WRITE_STATE_WRITING: set_write_state( @@ -663,7 +664,7 @@ static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *gt, if (!t->closed && grpc_chttp2_begin_write(exec_ctx, t)) { set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "begin writing"); - grpc_exec_ctx_sched(exec_ctx, &t->write_action, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &t->write_action, GRPC_ERROR_NONE); } else { set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_IDLE, "begin writing nothing"); @@ -675,19 +676,13 @@ static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *gt, static void write_action(grpc_exec_ctx *exec_ctx, void *gt, grpc_error *error) { grpc_chttp2_transport *t = gt; GPR_TIMER_BEGIN("write_action", 0); - grpc_endpoint_write(exec_ctx, t->ep, &t->outbuf, &t->write_action_end); + grpc_endpoint_write( + exec_ctx, t->ep, &t->outbuf, + grpc_closure_init(&t->write_action_end_locked, write_action_end_locked, t, + grpc_combiner_scheduler(t->combiner, false))); GPR_TIMER_END("write_action", 0); } -static void write_action_end(grpc_exec_ctx *exec_ctx, void *gt, - grpc_error *error) { - grpc_chttp2_transport *t = gt; - GPR_TIMER_BEGIN("write_action_end", 0); - grpc_combiner_execute(exec_ctx, t->combiner, &t->write_action_end_locked, - GRPC_ERROR_REF(error), false); - GPR_TIMER_END("write_action_end", 0); -} - static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, grpc_error *error) { GPR_TIMER_BEGIN("terminate_writing_with_lock", 0); @@ -704,8 +699,6 @@ static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, } } - grpc_chttp2_end_write(exec_ctx, t, GRPC_ERROR_REF(error)); - switch (t->write_state) { case GRPC_CHTTP2_WRITE_STATE_IDLE: GPR_UNREACHABLE_CODE(break); @@ -719,21 +712,29 @@ static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "continue writing [!covered]"); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, false); + grpc_closure_run( + exec_ctx, + grpc_closure_init( + &t->write_action_begin_locked, write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); break; case GRPC_CHTTP2_WRITE_STATE_WRITING_WITH_MORE_AND_COVERED_BY_POLLER: GPR_TIMER_MARK("state=writing_stale_with_poller", 0); set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "continue writing [covered]"); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, true); + grpc_closure_run( + exec_ctx, + grpc_closure_init(&t->write_action_begin_locked, + write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, true)), + GRPC_ERROR_NONE); break; } + grpc_chttp2_end_write(exec_ctx, t, GRPC_ERROR_REF(error)); + GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "writing"); GPR_TIMER_END("terminate_writing_with_lock", 0); } @@ -761,7 +762,7 @@ void grpc_chttp2_add_incoming_goaway(grpc_exec_ctx *exec_ctx, char *msg = grpc_dump_slice(goaway_text, GPR_DUMP_HEX | GPR_DUMP_ASCII); GRPC_CHTTP2_IF_TRACING( gpr_log(GPR_DEBUG, "got goaway [%d]: %s", goaway_error, msg)); - grpc_slice_unref(goaway_text); + grpc_slice_unref_internal(exec_ctx, goaway_text); t->seen_goaway = 1; /* lie: use transient failure from the transport to indicate goaway has been * received */ @@ -823,7 +824,14 @@ static void maybe_start_some_streams(grpc_exec_ctx *exec_ctx, } } +/* Flag that this closure barrier wants stats to be updated before finishing */ #define CLOSURE_BARRIER_STATS_BIT (1 << 0) +/* Flag that this closure barrier may be covering a write in a pollset, and so + we should not complete this closure until we can prove that the write got + scheduled */ +#define CLOSURE_BARRIER_MAY_COVER_WRITE (1 << 1) +/* First bit of the reference count, stored in the high order bits (with the low + bits being used for flags defined above) */ #define CLOSURE_BARRIER_FIRST_REF_BIT (1 << 16) static grpc_closure *add_closure_barrier(grpc_closure *closure) { @@ -850,6 +858,16 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx, return; } closure->next_data.scratch -= CLOSURE_BARRIER_FIRST_REF_BIT; + if (grpc_http_trace) { + const char *errstr = grpc_error_string(error); + gpr_log(GPR_DEBUG, + "complete_closure_step: %p refs=%d flags=0x%04x desc=%s err=%s", + closure, + (int)(closure->next_data.scratch / CLOSURE_BARRIER_FIRST_REF_BIT), + (int)(closure->next_data.scratch % CLOSURE_BARRIER_FIRST_REF_BIT), + desc, errstr); + grpc_error_free_string(errstr); + } if (error != GRPC_ERROR_NONE) { if (closure->error_data.error == GRPC_ERROR_NONE) { closure->error_data.error = @@ -866,7 +884,13 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx, grpc_transport_move_stats(&s->stats, s->collecting_stats); s->collecting_stats = NULL; } - grpc_closure_run(exec_ctx, closure, closure->error_data.error); + if ((t->write_state == GRPC_CHTTP2_WRITE_STATE_IDLE) || + !(closure->next_data.scratch & CLOSURE_BARRIER_MAY_COVER_WRITE)) { + grpc_closure_run(exec_ctx, closure, closure->error_data.error); + } else { + grpc_closure_list_append(&t->run_after_write, closure, + closure->error_data.error); + } } } @@ -881,15 +905,22 @@ static bool contains_non_ok_status(grpc_metadata_batch *batch) { return false; } +static void maybe_become_writable_due_to_send_msg(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s) { + if (s->id != 0 && (!s->write_buffering || + s->flow_controlled_buffer.length > t->write_buffer_size)) { + grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); + } +} + static void add_fetched_slice_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s) { s->fetched_send_message_length += (uint32_t)GRPC_SLICE_LENGTH(s->fetching_slice); grpc_slice_buffer_add(&s->flow_controlled_buffer, s->fetching_slice); - if (s->id != 0) { - grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); - } + maybe_become_writable_due_to_send_msg(exec_ctx, t, s); } static void continue_fetching_send_locked(grpc_exec_ctx *exec_ctx, @@ -943,15 +974,6 @@ static void complete_fetch_locked(grpc_exec_ctx *exec_ctx, void *gs, } } -static void complete_fetch(grpc_exec_ctx *exec_ctx, void *gs, - grpc_error *error) { - grpc_chttp2_stream *s = gs; - grpc_chttp2_transport *t = s->t; - grpc_combiner_execute(exec_ctx, t->combiner, &s->complete_fetch_locked, - GRPC_ERROR_REF(error), - s->complete_fetch_covered_by_poller); -} - static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {} static void log_metadata(const grpc_metadata_batch *md_batch, uint32_t id, @@ -987,7 +1009,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, grpc_closure *on_complete = op->on_complete; if (on_complete == NULL) { - on_complete = grpc_closure_create(do_nothing, NULL); + on_complete = + grpc_closure_create(do_nothing, NULL, grpc_schedule_on_exec_ctx); } /* use final_data as a barrier until enqueue time; the inital counter is @@ -1011,6 +1034,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, if (op->send_initial_metadata != NULL) { GPR_ASSERT(s->send_initial_metadata_finished == NULL); + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_initial_metadata_finished = add_closure_barrier(on_complete); s->send_initial_metadata = op->send_initial_metadata; const size_t metadata_size = @@ -1064,6 +1088,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } if (op->send_message != NULL) { + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->fetching_send_message_finished = add_closure_barrier(op->on_complete); if (s->write_closed) { grpc_chttp2_complete_closure_step( @@ -1088,21 +1113,22 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, (int64_t)len; s->complete_fetch_covered_by_poller = op->covered_by_poller; if (flags & GRPC_WRITE_BUFFER_HINT) { - /* allow up to 64kb to be buffered */ - /* TODO(ctiller): make this configurable */ - s->next_message_end_offset -= 65536; + s->next_message_end_offset -= t->write_buffer_size; + s->write_buffering = true; + } else { + s->write_buffering = false; } continue_fetching_send_locked(exec_ctx, t, s); - if (s->id != 0) { - grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); - } + maybe_become_writable_due_to_send_msg(exec_ctx, t, s); } } if (op->send_trailing_metadata != NULL) { GPR_ASSERT(s->send_trailing_metadata_finished == NULL); + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_trailing_metadata_finished = add_closure_barrier(on_complete); s->send_trailing_metadata = op->send_trailing_metadata; + s->write_buffering = false; const size_t metadata_size = grpc_metadata_batch_size(op->send_trailing_metadata); const size_t metadata_peer_limit = @@ -1187,13 +1213,15 @@ static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, gpr_free(str); } - grpc_closure_init(&op->transport_private.closure, perform_stream_op_locked, - op); op->transport_private.args[0] = gt; op->transport_private.args[1] = gs; GRPC_CHTTP2_STREAM_REF(s, "perform_stream_op"); - grpc_combiner_execute(exec_ctx, t->combiner, &op->transport_private.closure, - GRPC_ERROR_NONE, op->covered_by_poller); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &op->transport_private.closure, perform_stream_op_locked, op, + grpc_combiner_scheduler(t->combiner, op->covered_by_poller)), + GRPC_ERROR_NONE); GPR_TIMER_END("perform_stream_op", 0); } @@ -1222,7 +1250,7 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_outstanding_ping *ping; for (ping = t->pings.next; ping != &t->pings; ping = ping->next) { if (0 == memcmp(opaque_8bytes, ping->id, 8)) { - grpc_exec_ctx_sched(exec_ctx, ping->on_recv, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, ping->on_recv, GRPC_ERROR_NONE); ping->next->prev = ping->prev; ping->prev->next = ping->next; gpr_free(ping); @@ -1260,7 +1288,7 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, if (op->send_goaway) { send_goaway(exec_ctx, t, grpc_chttp2_grpc_status_to_http2_error(op->goaway_status), - grpc_slice_ref(*op->goaway_message)); + grpc_slice_ref_internal(*op->goaway_message)); } if (op->set_accept_stream) { @@ -1296,11 +1324,12 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, char *msg = grpc_transport_op_string(op); gpr_free(msg); op->transport_private.args[0] = gt; - grpc_closure_init(&op->transport_private.closure, perform_transport_op_locked, - op); GRPC_CHTTP2_REF_TRANSPORT(t, "transport_op"); - grpc_combiner_execute(exec_ctx, t->combiner, &op->transport_private.closure, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, grpc_closure_init(&op->transport_private.closure, + perform_transport_op_locked, op, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); } /******************************************************************************* @@ -1490,21 +1519,22 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, char status_string[GPR_LTOA_MIN_BUFSIZE]; gpr_ltoa(status, status_string); grpc_chttp2_incoming_metadata_buffer_add( - &s->metadata_buffer[1], - grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_STATUS, grpc_mdstr_from_string(status_string))); + &s->metadata_buffer[1], grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_GRPC_STATUS, + grpc_mdstr_from_string(status_string))); if (slice) { grpc_chttp2_incoming_metadata_buffer_add( &s->metadata_buffer[1], grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_MESSAGE, - grpc_mdstr_from_slice(grpc_slice_ref(*slice)))); + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, + grpc_mdstr_from_slice(exec_ctx, + grpc_slice_ref_internal(*slice)))); } s->published_metadata[1] = GRPC_METADATA_SYNTHESIZED_FROM_FAKE; grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } if (slice) { - grpc_slice_unref(*slice); + grpc_slice_unref_internal(exec_ctx, *slice); } } @@ -1534,9 +1564,9 @@ static grpc_error *removal_error(grpc_error *extra_error, grpc_chttp2_stream *s, return error; } -static void fail_pending_writes(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_chttp2_stream *s, - grpc_error *error) { +void grpc_chttp2_fail_pending_writes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s, grpc_error *error) { error = removal_error(error, s, "Pending writes failed due to stream closure"); s->send_initial_metadata = NULL; @@ -1590,13 +1620,16 @@ void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx, if (close_writes && !s->write_closed) { s->write_closed_error = GRPC_ERROR_REF(error); s->write_closed = true; - fail_pending_writes(exec_ctx, t, s, GRPC_ERROR_REF(error)); + grpc_chttp2_fail_pending_writes(exec_ctx, t, s, GRPC_ERROR_REF(error)); grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } if (s->read_closed && s->write_closed) { if (s->id != 0) { remove_stream(exec_ctx, t, s->id, removal_error(GRPC_ERROR_REF(error), s, "Stream removed")); + } else { + /* Purge streams waiting on concurrency still waiting for id assignment */ + grpc_chttp2_list_remove_waiting_for_concurrency(t, s); } GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2"); } @@ -1657,8 +1690,9 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, if (optional_message != NULL) { size_t msg_len = strlen(optional_message); - GPR_ASSERT(msg_len < 127); - message_pfx = grpc_slice_malloc(15); + GPR_ASSERT(msg_len <= UINT32_MAX); + uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 0); + message_pfx = grpc_slice_malloc(14 + msg_len_len); p = GRPC_SLICE_START_PTR(message_pfx); *p++ = 0x40; *p++ = 12; /* len(grpc-message) */ @@ -1674,7 +1708,9 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, *p++ = 'a'; *p++ = 'g'; *p++ = 'e'; - *p++ = (uint8_t)msg_len; + GRPC_CHTTP2_WRITE_VARINT((uint32_t)msg_len, 0, 0, p, + (uint32_t)msg_len_len); + p += msg_len_len; GPR_ASSERT(p == GRPC_SLICE_END_PTR(message_pfx)); len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx); len += (uint32_t)msg_len; @@ -1773,19 +1809,6 @@ static void update_global_window(void *args, uint32_t id, void *stream) { * INPUT PROCESSING - PARSING */ -static void read_action_begin(grpc_exec_ctx *exec_ctx, void *tp, - grpc_error *error) { - /* Control flow: - reading_action_locked -> - (parse_unlocked -> post_parse_locked)? -> - post_reading_action_locked */ - GPR_TIMER_BEGIN("reading_action", 0); - grpc_chttp2_transport *t = tp; - grpc_combiner_execute(exec_ctx, t->combiner, &t->read_action_locked, - GRPC_ERROR_REF(error), false); - GPR_TIMER_END("reading_action", 0); -} - static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { grpc_http_parser parser; @@ -1882,10 +1905,11 @@ static void read_action_locked(grpc_exec_ctx *exec_ctx, void *tp, keep_reading = true; GRPC_CHTTP2_REF_TRANSPORT(t, "keep_reading"); } - grpc_slice_buffer_reset_and_unref(&t->read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &t->read_buffer); if (keep_reading) { - grpc_endpoint_read(exec_ctx, t->ep, &t->read_buffer, &t->read_action_begin); + grpc_endpoint_read(exec_ctx, t->ep, &t->read_buffer, + &t->read_action_locked); GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "keep_reading"); } else { GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "reading_action"); @@ -1936,7 +1960,7 @@ static void incoming_byte_stream_unref(grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs) { if (gpr_unref(&bs->refs)) { GRPC_ERROR_UNREF(bs->error); - grpc_slice_buffer_destroy(&bs->slices); + grpc_slice_buffer_destroy_internal(exec_ctx, &bs->slices); gpr_mu_destroy(&bs->slice_mu); gpr_free(bs); } @@ -2022,10 +2046,12 @@ static int incoming_byte_stream_next(grpc_exec_ctx *exec_ctx, bs->next_action.slice = slice; bs->next_action.max_size_hint = max_size_hint; bs->next_action.on_complete = on_complete; - grpc_closure_init(&bs->next_action.closure, incoming_byte_stream_next_locked, - bs); - grpc_combiner_execute(exec_ctx, bs->transport->combiner, - &bs->next_action.closure, GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &bs->next_action.closure, incoming_byte_stream_next_locked, bs, + grpc_combiner_scheduler(bs->transport->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("incoming_byte_stream_next", 0); return 0; } @@ -2047,10 +2073,12 @@ static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, GPR_TIMER_BEGIN("incoming_byte_stream_destroy", 0); grpc_chttp2_incoming_byte_stream *bs = (grpc_chttp2_incoming_byte_stream *)byte_stream; - grpc_closure_init(&bs->destroy_action, incoming_byte_stream_destroy_locked, - bs); - grpc_combiner_execute(exec_ctx, bs->transport->combiner, &bs->destroy_action, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &bs->destroy_action, incoming_byte_stream_destroy_locked, bs, + grpc_combiner_scheduler(bs->transport->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("incoming_byte_stream_destroy", 0); } @@ -2058,7 +2086,7 @@ static void incoming_byte_stream_publish_error( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, grpc_error *error) { GPR_ASSERT(error != GRPC_ERROR_NONE); - grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error), NULL); + grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error)); bs->on_next = NULL; GRPC_ERROR_UNREF(bs->error); bs->error = error; @@ -2075,7 +2103,7 @@ void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, bs->remaining_bytes -= (uint32_t)GRPC_SLICE_LENGTH(slice); if (bs->on_next != NULL) { *bs->next = slice; - grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE); bs->on_next = NULL; } else { grpc_slice_buffer_add(&bs->slices, slice); @@ -2143,7 +2171,7 @@ static void post_benign_reclaimer(grpc_exec_ctx *exec_ctx, GRPC_CHTTP2_REF_TRANSPORT(t, "benign_reclaimer"); grpc_resource_user_post_reclaimer(exec_ctx, grpc_endpoint_get_resource_user(t->ep), - false, &t->benign_reclaimer); + false, &t->benign_reclaimer_locked); } } @@ -2154,24 +2182,10 @@ static void post_destructive_reclaimer(grpc_exec_ctx *exec_ctx, GRPC_CHTTP2_REF_TRANSPORT(t, "destructive_reclaimer"); grpc_resource_user_post_reclaimer(exec_ctx, grpc_endpoint_get_resource_user(t->ep), - true, &t->destructive_reclaimer); + true, &t->destructive_reclaimer_locked); } } -static void benign_reclaimer(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - grpc_chttp2_transport *t = arg; - grpc_combiner_execute(exec_ctx, t->combiner, &t->benign_reclaimer_locked, - GRPC_ERROR_REF(error), false); -} - -static void destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - grpc_chttp2_transport *t = arg; - grpc_combiner_execute(exec_ctx, t->combiner, &t->destructive_reclaimer_locked, - GRPC_ERROR_REF(error), false); -} - static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_chttp2_transport *t = arg; @@ -2352,5 +2366,5 @@ void grpc_chttp2_transport_start_reading(grpc_exec_ctx *exec_ctx, grpc_slice_buffer_move_into(read_buffer, &t->read_buffer); gpr_free(read_buffer); } - read_action_begin(exec_ctx, t, GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, &t->read_action_locked, GRPC_ERROR_NONE); } diff --git a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c index b4c5ed769b..20043f5fbf 100644 --- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c +++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c @@ -109,7 +109,7 @@ grpc_error *grpc_chttp2_rst_stream_parser_parse(grpc_exec_ctx *exec_ctx, (((uint32_t)p->reason_bytes[2]) << 8) | (((uint32_t)p->reason_bytes[3])); grpc_error *error = GRPC_ERROR_NONE; - if (reason != GRPC_CHTTP2_NO_ERROR) { + if (reason != GRPC_CHTTP2_NO_ERROR || s->header_frames_received < 2) { error = grpc_error_set_int(GRPC_ERROR_CREATE("RST_STREAM"), GRPC_ERROR_INT_HTTP2_ERROR, (intptr_t)reason); grpc_status_code status_code = grpc_chttp2_http2_error_to_grpc_status( diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c index eb68fe3138..49a8326f62 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c @@ -48,6 +48,7 @@ #include "src/core/ext/transport/chttp2/transport/bin_encoder.h" #include "src/core/ext/transport/chttp2/transport/hpack_table.h" #include "src/core/ext/transport/chttp2/transport/varint.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/transport/metadata.h" #include "src/core/lib/transport/static_metadata.h" #include "src/core/lib/transport/timeout_encoding.h" @@ -183,7 +184,8 @@ static void evict_entry(grpc_chttp2_hpack_compressor *c) { } /* add an element to the decoder table */ -static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { +static void add_elem(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c, + grpc_mdelem *elem) { uint32_t key_hash = elem->key->hash; uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash); uint32_t new_index = c->tail_remote_index + c->table_elems + 1; @@ -227,12 +229,12 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { } else if (c->indices_elems[HASH_FRAGMENT_2(elem_hash)] < c->indices_elems[HASH_FRAGMENT_3(elem_hash)]) { /* not there: replace oldest */ - GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_2(elem_hash)]); + GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[HASH_FRAGMENT_2(elem_hash)]); c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = GRPC_MDELEM_REF(elem); c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index; } else { /* not there: replace oldest */ - GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_3(elem_hash)]); + GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[HASH_FRAGMENT_3(elem_hash)]); c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = GRPC_MDELEM_REF(elem); c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index; } @@ -251,11 +253,11 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index; } else if (c->indices_keys[HASH_FRAGMENT_2(key_hash)] < c->indices_keys[HASH_FRAGMENT_3(key_hash)]) { - GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_2(key_hash)]); + GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[HASH_FRAGMENT_2(key_hash)]); c->entries_keys[HASH_FRAGMENT_2(key_hash)] = GRPC_MDSTR_REF(elem->key); c->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index; } else { - GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_3(key_hash)]); + GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[HASH_FRAGMENT_3(key_hash)]); c->entries_keys[HASH_FRAGMENT_3(key_hash)] = GRPC_MDSTR_REF(elem->key); c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index; } @@ -294,7 +296,7 @@ static void emit_lithdr_incidx(grpc_chttp2_hpack_compressor *c, add_tiny_header_data(st, len_pfx), len_pfx); GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c, @@ -311,7 +313,7 @@ static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c, add_tiny_header_data(st, len_pfx), len_pfx); GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c, @@ -327,10 +329,10 @@ static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c, *add_tiny_header_data(st, 1) = 0x40; GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00, add_tiny_header_data(st, len_key_len), len_key_len); - add_header_data(st, grpc_slice_ref(elem->key->slice)); + add_header_data(st, grpc_slice_ref_internal(elem->key->slice)); GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c, @@ -346,10 +348,10 @@ static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c, *add_tiny_header_data(st, 1) = 0x00; GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00, add_tiny_header_data(st, len_key_len), len_key_len); - add_header_data(st, grpc_slice_ref(elem->key->slice)); + add_header_data(st, grpc_slice_ref_internal(elem->key->slice)); GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_advertise_table_size_change(grpc_chttp2_hpack_compressor *c, @@ -366,8 +368,8 @@ static uint32_t dynidx(grpc_chttp2_hpack_compressor *c, uint32_t elem_index) { } /* encode an mdelem */ -static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, - framer_state *st) { +static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c, + grpc_mdelem *elem, framer_state *st) { uint32_t key_hash = elem->key->hash; uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash); size_t decoder_space_usage; @@ -417,7 +419,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, /* HIT: key (first cuckoo hash) */ if (should_add_elem) { emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st); @@ -432,7 +434,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, /* HIT: key (first cuckoo hash) */ if (should_add_elem) { emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st); @@ -445,7 +447,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, if (should_add_elem) { emit_lithdr_incidx_v(c, elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx_v(c, elem, st); @@ -457,16 +459,17 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, #define STRLEN_LIT(x) (sizeof(x) - 1) #define TIMEOUT_KEY "grpc-timeout" -static void deadline_enc(grpc_chttp2_hpack_compressor *c, gpr_timespec deadline, +static void deadline_enc(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, gpr_timespec deadline, framer_state *st) { char timeout_str[GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE]; grpc_mdelem *mdelem; grpc_http2_encode_timeout( gpr_time_sub(deadline, gpr_now(deadline.clock_type)), timeout_str); mdelem = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_TIMEOUT, grpc_mdstr_from_string(timeout_str)); - hpack_enc(c, mdelem, st); - GRPC_MDELEM_UNREF(mdelem); + exec_ctx, GRPC_MDSTR_GRPC_TIMEOUT, grpc_mdstr_from_string(timeout_str)); + hpack_enc(exec_ctx, c, mdelem, st); + GRPC_MDELEM_UNREF(exec_ctx, mdelem); } static uint32_t elems_for_bytes(uint32_t bytes) { return (bytes + 31) / 32; } @@ -483,11 +486,12 @@ void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c) { sizeof(*c->table_elem_size) * c->cap_table_elems); } -void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c) { +void grpc_chttp2_hpack_compressor_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c) { int i; for (i = 0; i < GRPC_CHTTP2_HPACKC_NUM_VALUES; i++) { - if (c->entries_keys[i]) GRPC_MDSTR_UNREF(c->entries_keys[i]); - if (c->entries_elems[i]) GRPC_MDELEM_UNREF(c->entries_elems[i]); + if (c->entries_keys[i]) GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[i]); + if (c->entries_elems[i]) GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[i]); } gpr_free(c->table_elem_size); } @@ -542,7 +546,8 @@ void grpc_chttp2_hpack_compressor_set_max_table_size( } } -void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, +void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, uint32_t stream_id, grpc_metadata_batch *metadata, int is_eof, size_t max_frame_size, @@ -571,11 +576,11 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, } grpc_metadata_batch_assert_ok(metadata); for (l = metadata->list.head; l; l = l->next) { - hpack_enc(c, l->md, &st); + hpack_enc(exec_ctx, c, l->md, &st); } deadline = metadata->deadline; if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) != 0) { - deadline_enc(c, deadline, &st); + deadline_enc(exec_ctx, c, deadline, &st); } finish_frame(&st, 1, is_eof); diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h index bcbd675ca2..3a35496ec8 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.h +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h @@ -83,13 +83,15 @@ typedef struct { } grpc_chttp2_hpack_compressor; void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c); -void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c); +void grpc_chttp2_hpack_compressor_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c); void grpc_chttp2_hpack_compressor_set_max_table_size( grpc_chttp2_hpack_compressor *c, uint32_t max_table_size); void grpc_chttp2_hpack_compressor_set_max_usable_size( grpc_chttp2_hpack_compressor *c, uint32_t max_table_size); -void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t id, +void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, uint32_t id, grpc_metadata_batch *metadata, int is_eof, size_t max_frame_size, grpc_transport_one_way_stats *stats, diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c index 6a9200b8db..8b91cc760b 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_parser.c +++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c @@ -670,11 +670,11 @@ static const uint8_t inverse_base64[256] = { static grpc_error *on_hdr(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, grpc_mdelem *md, int add_to_table) { if (add_to_table) { - grpc_error *err = grpc_chttp2_hptbl_add(&p->table, md); + grpc_error *err = grpc_chttp2_hptbl_add(exec_ctx, &p->table, md); if (err != GRPC_ERROR_NONE) return err; } if (p->on_header == NULL) { - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); return GRPC_ERROR_CREATE("on_header callback not set"); } p->on_header(exec_ctx, p->on_header_user_data, md); @@ -815,10 +815,10 @@ static grpc_error *finish_lithdr_incidx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 1); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 1); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -828,10 +828,10 @@ static grpc_error *finish_lithdr_incidx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 1); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 1); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -883,10 +883,10 @@ static grpc_error *finish_lithdr_notidx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -896,10 +896,10 @@ static grpc_error *finish_lithdr_notidx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -951,10 +951,10 @@ static grpc_error *finish_lithdr_nvridx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -964,10 +964,10 @@ static grpc_error *finish_lithdr_nvridx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -1020,7 +1020,7 @@ static grpc_error *finish_max_tbl_size(grpc_exec_ctx *exec_ctx, gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index); } grpc_error *err = - grpc_chttp2_hptbl_set_current_table_size(&p->table, p->index); + grpc_chttp2_hptbl_set_current_table_size(exec_ctx, &p->table, p->index); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -1534,7 +1534,8 @@ static grpc_error *parse_value_string_with_literal_key( /* PUBLIC INTERFACE */ -void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) { +void grpc_chttp2_hpack_parser_init(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p) { p->on_header = NULL; p->on_header_user_data = NULL; p->state = parse_begin; @@ -1546,7 +1547,7 @@ void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) { p->value.length = 0; p->dynamic_table_update_allowed = 2; p->last_error = GRPC_ERROR_NONE; - grpc_chttp2_hptbl_init(&p->table); + grpc_chttp2_hptbl_init(exec_ctx, &p->table); } void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p) { @@ -1554,8 +1555,9 @@ void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p) { p->state = parse_stream_dep0; } -void grpc_chttp2_hpack_parser_destroy(grpc_chttp2_hpack_parser *p) { - grpc_chttp2_hptbl_destroy(&p->table); +void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p) { + grpc_chttp2_hptbl_destroy(exec_ctx, &p->table); GRPC_ERROR_UNREF(p->last_error); gpr_free(p->key.str); gpr_free(p->value.str); @@ -1634,10 +1636,11 @@ grpc_error *grpc_chttp2_header_parser_parse(grpc_exec_ctx *exec_ctx, however -- it might be that we receive a RST_STREAM following this and can avoid the extra write */ GRPC_CHTTP2_STREAM_REF(s, "final_rst"); - grpc_combiner_execute_finally( - exec_ctx, t->combiner, - grpc_closure_create(force_client_rst_stream, s), GRPC_ERROR_NONE, - false); + grpc_closure_sched( + exec_ctx, grpc_closure_create(force_client_rst_stream, s, + grpc_combiner_finally_scheduler( + t->combiner, false)), + GRPC_ERROR_NONE); } grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, false, GRPC_ERROR_NONE); diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.h b/src/core/ext/transport/chttp2/transport/hpack_parser.h index a39bf466cd..52ccf1e7a7 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_parser.h +++ b/src/core/ext/transport/chttp2/transport/hpack_parser.h @@ -99,8 +99,10 @@ struct grpc_chttp2_hpack_parser { grpc_chttp2_hptbl table; }; -void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p); -void grpc_chttp2_hpack_parser_destroy(grpc_chttp2_hpack_parser *p); +void grpc_chttp2_hpack_parser_init(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p); +void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p); void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p); diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c index 2dc793d304..26d4036d49 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_table.c +++ b/src/core/ext/transport/chttp2/transport/hpack_table.c @@ -179,7 +179,7 @@ static uint32_t entries_for_bytes(uint32_t bytes) { GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD; } -void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl) { +void grpc_chttp2_hptbl_init(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) { size_t i; memset(tbl, 0, sizeof(*tbl)); @@ -190,18 +190,20 @@ void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl) { tbl->ents = gpr_malloc(sizeof(*tbl->ents) * tbl->cap_entries); memset(tbl->ents, 0, sizeof(*tbl->ents) * tbl->cap_entries); for (i = 1; i <= GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) { - tbl->static_ents[i - 1] = - grpc_mdelem_from_strings(static_table[i].key, static_table[i].value); + tbl->static_ents[i - 1] = grpc_mdelem_from_strings( + exec_ctx, static_table[i].key, static_table[i].value); } } -void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl) { +void grpc_chttp2_hptbl_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl) { size_t i; for (i = 0; i < GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) { - GRPC_MDELEM_UNREF(tbl->static_ents[i]); + GRPC_MDELEM_UNREF(exec_ctx, tbl->static_ents[i]); } for (i = 0; i < tbl->num_ents; i++) { - GRPC_MDELEM_UNREF(tbl->ents[(tbl->first_ent + i) % tbl->cap_entries]); + GRPC_MDELEM_UNREF(exec_ctx, + tbl->ents[(tbl->first_ent + i) % tbl->cap_entries]); } gpr_free(tbl->ents); } @@ -224,7 +226,7 @@ grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl, } /* Evict one element from the table */ -static void evict1(grpc_chttp2_hptbl *tbl) { +static void evict1(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) { grpc_mdelem *first_ent = tbl->ents[tbl->first_ent]; size_t elem_bytes = GRPC_SLICE_LENGTH(first_ent->key->slice) + GRPC_SLICE_LENGTH(first_ent->value->slice) + @@ -233,7 +235,7 @@ static void evict1(grpc_chttp2_hptbl *tbl) { tbl->mem_used -= (uint32_t)elem_bytes; tbl->first_ent = ((tbl->first_ent + 1) % tbl->cap_entries); tbl->num_ents--; - GRPC_MDELEM_UNREF(first_ent); + GRPC_MDELEM_UNREF(exec_ctx, first_ent); } static void rebuild_ents(grpc_chttp2_hptbl *tbl, uint32_t new_cap) { @@ -249,7 +251,8 @@ static void rebuild_ents(grpc_chttp2_hptbl *tbl, uint32_t new_cap) { tbl->first_ent = 0; } -void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, +void grpc_chttp2_hptbl_set_max_bytes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t max_bytes) { if (tbl->max_bytes == max_bytes) { return; @@ -258,12 +261,13 @@ void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, gpr_log(GPR_DEBUG, "Update hpack parser max size to %d", max_bytes); } while (tbl->mem_used > max_bytes) { - evict1(tbl); + evict1(exec_ctx, tbl); } tbl->max_bytes = max_bytes; } -grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t bytes) { if (tbl->current_table_bytes == bytes) { return GRPC_ERROR_NONE; @@ -281,7 +285,7 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes); } while (tbl->mem_used > bytes) { - evict1(tbl); + evict1(exec_ctx, tbl); } tbl->current_table_bytes = bytes; tbl->max_entries = entries_for_bytes(bytes); @@ -296,7 +300,8 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, return GRPC_ERROR_NONE; } -grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { +grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { /* determine how many bytes of buffer this entry represents */ size_t elem_bytes = GRPC_SLICE_LENGTH(md->key->slice) + GRPC_SLICE_LENGTH(md->value->slice) + @@ -326,14 +331,14 @@ grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { * empty table. */ while (tbl->num_ents) { - evict1(tbl); + evict1(exec_ctx, tbl); } return GRPC_ERROR_NONE; } /* evict entries to ensure no overflow */ while (elem_bytes > (size_t)tbl->current_table_bytes - tbl->mem_used) { - evict1(tbl); + evict1(exec_ctx, tbl); } /* copy the finalized entry in */ diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.h b/src/core/ext/transport/chttp2/transport/hpack_table.h index 2ca130e64b..144574ef06 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_table.h +++ b/src/core/ext/transport/chttp2/transport/hpack_table.h @@ -84,18 +84,21 @@ typedef struct { } grpc_chttp2_hptbl; /* initialize a hpack table */ -void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl); -void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl); -void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, +void grpc_chttp2_hptbl_init(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl); +void grpc_chttp2_hptbl_destroy(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl); +void grpc_chttp2_hptbl_set_max_bytes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t max_bytes); -grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t bytes); /* lookup a table entry based on its hpack index */ grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl, uint32_t index); /* add a table entry to the index */ -grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, grpc_mdelem *md) GRPC_MUST_USE_RESULT; /* Find a key/value pair in the table... returns the index in the table of the most similar entry, or 0 if the value was not found */ diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.c b/src/core/ext/transport/chttp2/transport/incoming_metadata.c index 3e463a7995..5d1094999c 100644 --- a/src/core/ext/transport/chttp2/transport/incoming_metadata.c +++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.c @@ -46,11 +46,11 @@ void grpc_chttp2_incoming_metadata_buffer_init( } void grpc_chttp2_incoming_metadata_buffer_destroy( - grpc_chttp2_incoming_metadata_buffer *buffer) { + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer) { size_t i; if (!buffer->published) { for (i = 0; i < buffer->count; i++) { - GRPC_MDELEM_UNREF(buffer->elems[i].md); + GRPC_MDELEM_UNREF(exec_ctx, buffer->elems[i].md); } } gpr_free(buffer->elems); diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.h b/src/core/ext/transport/chttp2/transport/incoming_metadata.h index df4343b93e..7a0c4da15f 100644 --- a/src/core/ext/transport/chttp2/transport/incoming_metadata.h +++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.h @@ -49,7 +49,7 @@ typedef struct { void grpc_chttp2_incoming_metadata_buffer_init( grpc_chttp2_incoming_metadata_buffer *buffer); void grpc_chttp2_incoming_metadata_buffer_destroy( - grpc_chttp2_incoming_metadata_buffer *buffer); + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer); void grpc_chttp2_incoming_metadata_buffer_publish( grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch); diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index b74233d992..ea7beb4c2b 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -212,10 +212,8 @@ struct grpc_chttp2_transport { grpc_closure write_action_begin_locked; grpc_closure write_action; - grpc_closure write_action_end; grpc_closure write_action_end_locked; - grpc_closure read_action_begin; grpc_closure read_action_locked; /** incoming read bytes */ @@ -251,6 +249,9 @@ struct grpc_chttp2_transport { int64_t announce_incoming_window; /** how much window would we like to have for incoming_window */ uint32_t connection_window_target; + /** how much data are we willing to buffer when the WRITE_BUFFER_HINT is set? + */ + uint32_t write_buffer_size; /** have we seen a goaway */ uint8_t seen_goaway; @@ -327,16 +328,17 @@ struct grpc_chttp2_transport { */ grpc_error *close_transport_on_writes_finished; + /* a list of closures to run after writes are finished */ + grpc_closure_list run_after_write; + /* buffer pool state */ /** have we scheduled a benign cleanup? */ bool benign_reclaimer_registered; /** have we scheduled a destructive cleanup? */ bool destructive_reclaimer_registered; /** benign cleanup closure */ - grpc_closure benign_reclaimer; grpc_closure benign_reclaimer_locked; /** destructive cleanup closure */ - grpc_closure destructive_reclaimer; grpc_closure destructive_reclaimer_locked; }; @@ -404,6 +406,9 @@ struct grpc_chttp2_stream { /** Has this stream seen an error. If true, then pending incoming frames can be thrown away. */ bool seen_error; + /** Are we buffering writes on this stream? If yes, we won't become writable + until there's enough queued up in the flow_controlled_buffer */ + bool write_buffering; /** the error that resulted in this stream being read-closed */ grpc_error *read_closed_error; @@ -493,6 +498,8 @@ void grpc_chttp2_list_add_waiting_for_concurrency(grpc_chttp2_transport *t, grpc_chttp2_stream *s); int grpc_chttp2_list_pop_waiting_for_concurrency(grpc_chttp2_transport *t, grpc_chttp2_stream **s); +void grpc_chttp2_list_remove_waiting_for_concurrency(grpc_chttp2_transport *t, + grpc_chttp2_stream *s); void grpc_chttp2_list_add_stalled_by_transport(grpc_chttp2_transport *t, grpc_chttp2_stream *s); @@ -689,4 +696,8 @@ void grpc_chttp2_maybe_complete_recv_trailing_metadata(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s); +void grpc_chttp2_fail_pending_writes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s, grpc_error *error); + #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H */ diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index 5efb49751c..4fb5dc7bd2 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -336,7 +336,7 @@ static grpc_error *skip_parser(grpc_exec_ctx *exec_ctx, void *parser, } static void skip_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_mdelem *md) { - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } static grpc_error *init_skip_frame_parser(grpc_exec_ctx *exec_ctx, @@ -477,7 +477,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_chttp2_incoming_metadata_buffer_set_deadline( &s->metadata_buffer[0], gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout)); - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md); const size_t metadata_size_limit = @@ -495,7 +495,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp, GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); grpc_chttp2_parsing_become_skip_parser(exec_ctx, t); s->seen_error = true; - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { grpc_chttp2_incoming_metadata_buffer_add(&s->metadata_buffer[0], md); } @@ -538,7 +538,7 @@ static void on_trailing_header(grpc_exec_ctx *exec_ctx, void *tp, GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); grpc_chttp2_parsing_become_skip_parser(exec_ctx, t); s->seen_error = true; - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { grpc_chttp2_incoming_metadata_buffer_add(&s->metadata_buffer[1], md); } @@ -712,7 +712,7 @@ static grpc_error *init_settings_frame_parser(grpc_exec_ctx *exec_ctx, memcpy(t->settings[GRPC_ACKED_SETTINGS], t->settings[GRPC_SENT_SETTINGS], GRPC_CHTTP2_NUM_SETTINGS * sizeof(uint32_t)); grpc_chttp2_hptbl_set_max_bytes( - &t->hpack_parser.table, + exec_ctx, &t->hpack_parser.table, t->settings[GRPC_ACKED_SETTINGS] [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE]); t->sent_local_settings = 0; diff --git a/src/core/ext/transport/chttp2/transport/stream_lists.c b/src/core/ext/transport/chttp2/transport/stream_lists.c index 6d25b3ae57..a60264cc51 100644 --- a/src/core/ext/transport/chttp2/transport/stream_lists.c +++ b/src/core/ext/transport/chttp2/transport/stream_lists.c @@ -158,6 +158,11 @@ int grpc_chttp2_list_pop_waiting_for_concurrency(grpc_chttp2_transport *t, return stream_list_pop(t, s, GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); } +void grpc_chttp2_list_remove_waiting_for_concurrency(grpc_chttp2_transport *t, + grpc_chttp2_stream *s) { + stream_list_maybe_remove(t, s, GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); +} + void grpc_chttp2_list_add_stalled_by_transport(grpc_chttp2_transport *t, grpc_chttp2_stream *s) { stream_list_add(t, s, GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT); diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c index 139e7387c4..ef2010af7b 100644 --- a/src/core/ext/transport/chttp2/transport/writing.c +++ b/src/core/ext/transport/chttp2/transport/writing.c @@ -39,6 +39,7 @@ #include "src/core/ext/transport/chttp2/transport/http2_errors.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" static void add_to_write_list(grpc_chttp2_write_cb **list, grpc_chttp2_write_cb *cb) { @@ -119,7 +120,7 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx, /* send initial metadata if it's available */ if (!sent_initial_metadata && s->send_initial_metadata) { grpc_chttp2_encode_header( - &t->hpack_compressor, s->id, s->send_initial_metadata, 0, + exec_ctx, &t->hpack_compressor, s->id, s->send_initial_metadata, 0, t->settings[GRPC_ACKED_SETTINGS][GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], &s->stats.outgoing, &t->outbuf); s->send_initial_metadata = NULL; @@ -186,9 +187,9 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx, &s->stats.outgoing, &t->outbuf); } else { grpc_chttp2_encode_header( - &t->hpack_compressor, s->id, s->send_trailing_metadata, true, - t->settings[GRPC_ACKED_SETTINGS] - [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], + exec_ctx, &t->hpack_compressor, s->id, s->send_trailing_metadata, + true, t->settings[GRPC_ACKED_SETTINGS] + [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], &s->stats.outgoing, &t->outbuf); } s->send_trailing_metadata = NULL; @@ -254,7 +255,7 @@ void grpc_chttp2_end_write(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, } GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2_writing:end"); } - grpc_slice_buffer_reset_and_unref(&t->outbuf); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &t->outbuf); GRPC_ERROR_UNREF(error); GPR_TIMER_END("grpc_chttp2_end_write", 0); } diff --git a/src/core/ext/transport/cronet/client/secure/cronet_channel_create.c b/src/core/ext/transport/cronet/client/secure/cronet_channel_create.c index df1acddcc0..477cf07f45 100644 --- a/src/core/ext/transport/cronet/client/secure/cronet_channel_create.c +++ b/src/core/ext/transport/cronet/client/secure/cronet_channel_create.c @@ -60,7 +60,7 @@ GRPCAPI grpc_channel *grpc_cronet_secure_channel_create( ct->host = gpr_malloc(strlen(target) + 1); strcpy(ct->host, target); gpr_log(GPR_DEBUG, - "grpc_create_cronet_transport: cronet_engine = %p, target=%s", engine, + "grpc_create_cronet_transport: stream_engine = %p, target=%s", engine, ct->host); grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; diff --git a/src/core/ext/transport/cronet/transport/cronet_api_dummy.c b/src/core/ext/transport/cronet/transport/cronet_api_dummy.c index 687026c9fd..74327a4214 100644 --- a/src/core/ext/transport/cronet/transport/cronet_api_dummy.c +++ b/src/core/ext/transport/cronet/transport/cronet_api_dummy.c @@ -38,48 +38,46 @@ library, so we can build it in all environments */ #include <grpc/support/log.h> -#include "third_party/objective_c/Cronet/cronet_c_for_grpc.h" +#include "third_party/Cronet/bidirectional_stream_c.h" #ifdef GRPC_COMPILE_WITH_CRONET /* link with the real CRONET library in the build system */ #else /* Dummy implementation of cronet API just to test for build-ability */ -cronet_bidirectional_stream* cronet_bidirectional_stream_create( - cronet_engine* engine, void* annotation, - cronet_bidirectional_stream_callback* callback) { +bidirectional_stream* bidirectional_stream_create( + stream_engine* engine, void* annotation, + bidirectional_stream_callback* callback) { GPR_ASSERT(0); return NULL; } -int cronet_bidirectional_stream_destroy(cronet_bidirectional_stream* stream) { +int bidirectional_stream_destroy(bidirectional_stream* stream) { GPR_ASSERT(0); return 0; } -int cronet_bidirectional_stream_start( - cronet_bidirectional_stream* stream, const char* url, int priority, - const char* method, const cronet_bidirectional_stream_header_array* headers, - bool end_of_stream) { +int bidirectional_stream_start(bidirectional_stream* stream, const char* url, + int priority, const char* method, + const bidirectional_stream_header_array* headers, + bool end_of_stream) { GPR_ASSERT(0); return 0; } -int cronet_bidirectional_stream_read(cronet_bidirectional_stream* stream, - char* buffer, int capacity) { +int bidirectional_stream_read(bidirectional_stream* stream, char* buffer, + int capacity) { GPR_ASSERT(0); return 0; } -int cronet_bidirectional_stream_write(cronet_bidirectional_stream* stream, - const char* buffer, int count, - bool end_of_stream) { +int bidirectional_stream_write(bidirectional_stream* stream, const char* buffer, + int count, bool end_of_stream) { GPR_ASSERT(0); return 0; } -int cronet_bidirectional_stream_cancel(cronet_bidirectional_stream* stream) { +void bidirectional_stream_cancel(bidirectional_stream* stream) { GPR_ASSERT(0); - return 0; } #endif /* GRPC_COMPILE_WITH_CRONET */ diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c index a4c110101e..b080408565 100644 --- a/src/core/ext/transport/cronet/transport/cronet_transport.c +++ b/src/core/ext/transport/cronet/transport/cronet_transport.c @@ -49,7 +49,7 @@ #include "src/core/lib/transport/metadata_batch.h" #include "src/core/lib/transport/static_metadata.h" #include "src/core/lib/transport/transport_impl.h" -#include "third_party/objective_c/Cronet/cronet_c_for_grpc.h" +#include "third_party/Cronet/bidirectional_stream_c.h" #define GRPC_HEADER_SIZE_IN_BYTES 5 @@ -86,19 +86,18 @@ enum e_op_id { /* Cronet callbacks. See cronet_c_for_grpc.h for documentation for each. */ -static void on_request_headers_sent(cronet_bidirectional_stream *); +static void on_request_headers_sent(bidirectional_stream *); static void on_response_headers_received( - cronet_bidirectional_stream *, - const cronet_bidirectional_stream_header_array *, const char *); -static void on_write_completed(cronet_bidirectional_stream *, const char *); -static void on_read_completed(cronet_bidirectional_stream *, char *, int); + bidirectional_stream *, const bidirectional_stream_header_array *, + const char *); +static void on_write_completed(bidirectional_stream *, const char *); +static void on_read_completed(bidirectional_stream *, char *, int); static void on_response_trailers_received( - cronet_bidirectional_stream *, - const cronet_bidirectional_stream_header_array *); -static void on_succeeded(cronet_bidirectional_stream *); -static void on_failed(cronet_bidirectional_stream *, int); -static void on_canceled(cronet_bidirectional_stream *); -static cronet_bidirectional_stream_callback cronet_callbacks = { + bidirectional_stream *, const bidirectional_stream_header_array *); +static void on_succeeded(bidirectional_stream *); +static void on_failed(bidirectional_stream *, int); +static void on_canceled(bidirectional_stream *); +static bidirectional_stream_callback cronet_callbacks = { on_request_headers_sent, on_response_headers_received, on_read_completed, @@ -111,7 +110,7 @@ static cronet_bidirectional_stream_callback cronet_callbacks = { /* Cronet transport object */ struct grpc_cronet_transport { grpc_transport base; /* must be first element in this structure */ - cronet_engine *engine; + stream_engine *engine; char *host; }; typedef struct grpc_cronet_transport grpc_cronet_transport; @@ -149,6 +148,9 @@ struct write_state { struct op_state { bool state_op_done[OP_NUM_OPS]; bool state_callback_received[OP_NUM_OPS]; + bool fail_state; + bool flush_read; + grpc_error *cancel_error; /* data structure for storing data coming from server */ struct read_state rs; /* data structure for storing data going to the server */ @@ -173,8 +175,8 @@ struct stream_obj { grpc_transport_stream_op *curr_op; grpc_cronet_transport curr_ct; grpc_stream *curr_gs; - cronet_bidirectional_stream *cbs; - cronet_bidirectional_stream_header_array header_array; + bidirectional_stream *cbs; + bidirectional_stream_header_array header_array; /* Stream level state. Some state will be tracked both at stream and stream_op * level */ @@ -248,6 +250,12 @@ static void free_read_buffer(stream_obj *s) { } } +static grpc_error *make_error_with_desc(int error_code, const char *desc) { + grpc_error *error = GRPC_ERROR_CREATE(desc); + error = grpc_error_set_int(error, GRPC_ERROR_INT_GRPC_STATUS, error_code); + return error; +} + /* Add a new stream op to op storage. */ @@ -335,11 +343,11 @@ static void execute_from_storage(stream_obj *s) { /* Cronet callback */ -static void on_failed(cronet_bidirectional_stream *stream, int net_error) { +static void on_failed(bidirectional_stream *stream, int net_error) { CRONET_LOG(GPR_DEBUG, "on_failed(%p, %d)", stream, net_error); stream_obj *s = (stream_obj *)stream->annotation; gpr_mu_lock(&s->mu); - cronet_bidirectional_stream_destroy(s->cbs); + bidirectional_stream_destroy(s->cbs); s->state.state_callback_received[OP_FAILED] = true; s->cbs = NULL; if (s->header_array.headers) { @@ -358,11 +366,11 @@ static void on_failed(cronet_bidirectional_stream *stream, int net_error) { /* Cronet callback */ -static void on_canceled(cronet_bidirectional_stream *stream) { +static void on_canceled(bidirectional_stream *stream) { CRONET_LOG(GPR_DEBUG, "on_canceled(%p)", stream); stream_obj *s = (stream_obj *)stream->annotation; gpr_mu_lock(&s->mu); - cronet_bidirectional_stream_destroy(s->cbs); + bidirectional_stream_destroy(s->cbs); s->state.state_callback_received[OP_CANCELED] = true; s->cbs = NULL; if (s->header_array.headers) { @@ -381,11 +389,11 @@ static void on_canceled(cronet_bidirectional_stream *stream) { /* Cronet callback */ -static void on_succeeded(cronet_bidirectional_stream *stream) { +static void on_succeeded(bidirectional_stream *stream) { CRONET_LOG(GPR_DEBUG, "on_succeeded(%p)", stream); stream_obj *s = (stream_obj *)stream->annotation; gpr_mu_lock(&s->mu); - cronet_bidirectional_stream_destroy(s->cbs); + bidirectional_stream_destroy(s->cbs); s->state.state_callback_received[OP_SUCCEEDED] = true; s->cbs = NULL; free_read_buffer(s); @@ -396,7 +404,7 @@ static void on_succeeded(cronet_bidirectional_stream *stream) { /* Cronet callback */ -static void on_request_headers_sent(cronet_bidirectional_stream *stream) { +static void on_request_headers_sent(bidirectional_stream *stream) { CRONET_LOG(GPR_DEBUG, "W: on_request_headers_sent(%p)", stream); stream_obj *s = (stream_obj *)stream->annotation; gpr_mu_lock(&s->mu); @@ -415,9 +423,10 @@ static void on_request_headers_sent(cronet_bidirectional_stream *stream) { Cronet callback */ static void on_response_headers_received( - cronet_bidirectional_stream *stream, - const cronet_bidirectional_stream_header_array *headers, + bidirectional_stream *stream, + const bidirectional_stream_header_array *headers, const char *negotiated_protocol) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; CRONET_LOG(GPR_DEBUG, "R: on_response_headers_received(%p, %p, %s)", stream, headers, negotiated_protocol); stream_obj *s = (stream_obj *)stream->annotation; @@ -429,19 +438,31 @@ static void on_response_headers_received( grpc_chttp2_incoming_metadata_buffer_add( &s->state.rs.initial_metadata, grpc_mdelem_from_metadata_strings( - grpc_mdstr_from_string(headers->headers[i].key), + &exec_ctx, grpc_mdstr_from_string(headers->headers[i].key), grpc_mdstr_from_string(headers->headers[i].value))); } s->state.state_callback_received[OP_RECV_INITIAL_METADATA] = true; + if (!(s->state.state_op_done[OP_CANCEL_ERROR] || + s->state.state_callback_received[OP_FAILED])) { + /* Do an extra read to trigger on_succeeded() callback in case connection + is closed */ + GPR_ASSERT(s->state.rs.length_field_received == false); + s->state.rs.read_buffer = s->state.rs.grpc_header_bytes; + s->state.rs.received_bytes = 0; + s->state.rs.remaining_bytes = GRPC_HEADER_SIZE_IN_BYTES; + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); + bidirectional_stream_read(s->cbs, s->state.rs.read_buffer, + s->state.rs.remaining_bytes); + } gpr_mu_unlock(&s->mu); + grpc_exec_ctx_finish(&exec_ctx); execute_from_storage(s); } /* Cronet callback */ -static void on_write_completed(cronet_bidirectional_stream *stream, - const char *data) { +static void on_write_completed(bidirectional_stream *stream, const char *data) { stream_obj *s = (stream_obj *)stream->annotation; CRONET_LOG(GPR_DEBUG, "W: on_write_completed(%p, %s)", stream, data); gpr_mu_lock(&s->mu); @@ -457,20 +478,24 @@ static void on_write_completed(cronet_bidirectional_stream *stream, /* Cronet callback */ -static void on_read_completed(cronet_bidirectional_stream *stream, char *data, +static void on_read_completed(bidirectional_stream *stream, char *data, int count) { stream_obj *s = (stream_obj *)stream->annotation; CRONET_LOG(GPR_DEBUG, "R: on_read_completed(%p, %p, %d)", stream, data, count); gpr_mu_lock(&s->mu); s->state.state_callback_received[OP_RECV_MESSAGE] = true; - if (count > 0) { + if (count > 0 && s->state.flush_read) { + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); + bidirectional_stream_read(s->cbs, s->state.rs.read_buffer, 4096); + gpr_mu_unlock(&s->mu); + } else if (count > 0) { s->state.rs.received_bytes += count; s->state.rs.remaining_bytes -= count; if (s->state.rs.remaining_bytes > 0) { - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_read(%p)", s->cbs); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); s->state.state_op_done[OP_READ_REQ_MADE] = true; - cronet_bidirectional_stream_read( + bidirectional_stream_read( s->cbs, s->state.rs.read_buffer + s->state.rs.received_bytes, s->state.rs.remaining_bytes); gpr_mu_unlock(&s->mu); @@ -479,6 +504,10 @@ static void on_read_completed(cronet_bidirectional_stream *stream, char *data, execute_from_storage(s); } } else { + if (s->state.flush_read) { + gpr_free(s->state.rs.read_buffer); + s->state.rs.read_buffer = NULL; + } s->state.rs.read_stream_closed = true; gpr_mu_unlock(&s->mu); execute_from_storage(s); @@ -489,8 +518,9 @@ static void on_read_completed(cronet_bidirectional_stream *stream, char *data, Cronet callback */ static void on_response_trailers_received( - cronet_bidirectional_stream *stream, - const cronet_bidirectional_stream_header_array *trailers) { + bidirectional_stream *stream, + const bidirectional_stream_header_array *trailers) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; CRONET_LOG(GPR_DEBUG, "R: on_response_trailers_received(%p,%p)", stream, trailers); stream_obj *s = (stream_obj *)stream->annotation; @@ -505,13 +535,32 @@ static void on_response_trailers_received( grpc_chttp2_incoming_metadata_buffer_add( &s->state.rs.trailing_metadata, grpc_mdelem_from_metadata_strings( - grpc_mdstr_from_string(trailers->headers[i].key), + &exec_ctx, grpc_mdstr_from_string(trailers->headers[i].key), grpc_mdstr_from_string(trailers->headers[i].value))); s->state.rs.trailing_metadata_valid = true; + if (0 == strcmp(trailers->headers[i].key, "grpc-status") && + 0 != strcmp(trailers->headers[i].value, "0")) { + s->state.fail_state = true; + } } s->state.state_callback_received[OP_RECV_TRAILING_METADATA] = true; - gpr_mu_unlock(&s->mu); - execute_from_storage(s); + /* Send a EOS when server terminates the stream (testServerFinishesRequest) to + * trigger on_succeeded */ + if (!s->state.state_op_done[OP_SEND_TRAILING_METADATA] && + !(s->state.state_op_done[OP_CANCEL_ERROR] || + s->state.state_callback_received[OP_FAILED])) { + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_write (%p, 0)", s->cbs); + s->state.state_callback_received[OP_SEND_MESSAGE] = false; + bidirectional_stream_write(s->cbs, "", 0, true); + s->state.state_op_done[OP_SEND_TRAILING_METADATA] = true; + + gpr_mu_unlock(&s->mu); + grpc_exec_ctx_finish(&exec_ctx); + } else { + gpr_mu_unlock(&s->mu); + grpc_exec_ctx_finish(&exec_ctx); + execute_from_storage(s); + } } /* @@ -543,7 +592,7 @@ static void create_grpc_frame(grpc_slice_buffer *write_slice_buffer, */ static void convert_metadata_to_cronet_headers( grpc_linked_mdelem *head, const char *host, char **pp_url, - cronet_bidirectional_stream_header **pp_headers, size_t *p_num_headers, + bidirectional_stream_header **pp_headers, size_t *p_num_headers, const char **method) { grpc_linked_mdelem *curr = head; /* Walk the linked list and get number of header fields */ @@ -554,9 +603,9 @@ static void convert_metadata_to_cronet_headers( } /* Allocate enough memory. It is freed in the on_request_headers_sent callback */ - cronet_bidirectional_stream_header *headers = - (cronet_bidirectional_stream_header *)gpr_malloc( - sizeof(cronet_bidirectional_stream_header) * num_headers_available); + bidirectional_stream_header *headers = + (bidirectional_stream_header *)gpr_malloc( + sizeof(bidirectional_stream_header) * num_headers_available); *pp_headers = headers; /* Walk the linked list again, this time copying the header fields. @@ -632,9 +681,9 @@ static bool op_can_be_run(grpc_transport_stream_op *curr_op, /* When call is canceled, every op can be run, except under following conditions */ - bool is_canceled_of_failed = stream_state->state_op_done[OP_CANCEL_ERROR] || + bool is_canceled_or_failed = stream_state->state_op_done[OP_CANCEL_ERROR] || stream_state->state_callback_received[OP_FAILED]; - if (is_canceled_of_failed) { + if (is_canceled_or_failed) { if (op_id == OP_SEND_INITIAL_METADATA) result = false; if (op_id == OP_SEND_MESSAGE) result = false; if (op_id == OP_SEND_TRAILING_METADATA) result = false; @@ -778,19 +827,13 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, op_can_be_run(stream_op, stream_state, &oas->state, OP_SEND_INITIAL_METADATA)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_SEND_INITIAL_METADATA", oas); - /* This OP is the beginning. Reset various states */ - memset(&s->header_array, 0, sizeof(s->header_array)); - memset(&stream_state->rs, 0, sizeof(stream_state->rs)); - memset(&stream_state->ws, 0, sizeof(stream_state->ws)); - memset(stream_state->state_op_done, 0, sizeof(stream_state->state_op_done)); - memset(stream_state->state_callback_received, 0, - sizeof(stream_state->state_callback_received)); /* Start new cronet stream. It is destroyed in on_succeeded, on_canceled, * on_failed */ GPR_ASSERT(s->cbs == NULL); - s->cbs = cronet_bidirectional_stream_create(s->curr_ct.engine, s->curr_gs, - &cronet_callbacks); - CRONET_LOG(GPR_DEBUG, "%p = cronet_bidirectional_stream_create()", s->cbs); + GPR_ASSERT(!stream_state->state_op_done[OP_SEND_INITIAL_METADATA]); + s->cbs = bidirectional_stream_create(s->curr_ct.engine, s->curr_gs, + &cronet_callbacks); + CRONET_LOG(GPR_DEBUG, "%p = bidirectional_stream_create()", s->cbs); char *url = NULL; const char *method = "POST"; s->header_array.headers = NULL; @@ -798,25 +841,26 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, stream_op->send_initial_metadata->list.head, s->curr_ct.host, &url, &s->header_array.headers, &s->header_array.count, &method); s->header_array.capacity = s->header_array.count; - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_start(%p, %s)", s->cbs, - url); - cronet_bidirectional_stream_start(s->cbs, url, 0, method, &s->header_array, - false); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_start(%p, %s)", s->cbs, url); + bidirectional_stream_start(s->cbs, url, 0, method, &s->header_array, false); stream_state->state_op_done[OP_SEND_INITIAL_METADATA] = true; result = ACTION_TAKEN_WITH_CALLBACK; } else if (stream_op->recv_initial_metadata && op_can_be_run(stream_op, stream_state, &oas->state, OP_RECV_INITIAL_METADATA)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_INITIAL_METADATA", oas); - if (stream_state->state_op_done[OP_CANCEL_ERROR] || - stream_state->state_callback_received[OP_FAILED]) { - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_CANCELLED, NULL); + if (stream_state->state_op_done[OP_CANCEL_ERROR]) { + grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, + GRPC_ERROR_CANCELLED); + } else if (stream_state->state_callback_received[OP_FAILED]) { + grpc_closure_sched( + exec_ctx, stream_op->recv_initial_metadata_ready, + make_error_with_desc(GRPC_STATUS_UNAVAILABLE, "Unavailable.")); } else { grpc_chttp2_incoming_metadata_buffer_publish( &oas->s->state.rs.initial_metadata, stream_op->recv_initial_metadata); - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_initial_metadata_ready, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, stream_op->recv_initial_metadata_ready, + GRPC_ERROR_NONE); } stream_state->state_op_done[OP_RECV_INITIAL_METADATA] = true; result = ACTION_TAKEN_NO_CALLBACK; @@ -849,11 +893,11 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, size_t write_buffer_size; create_grpc_frame(&write_slice_buffer, &stream_state->ws.write_buffer, &write_buffer_size); - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, %p)", - s->cbs, stream_state->ws.write_buffer); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_write (%p, %p)", s->cbs, + stream_state->ws.write_buffer); stream_state->state_callback_received[OP_SEND_MESSAGE] = false; - cronet_bidirectional_stream_write(s->cbs, stream_state->ws.write_buffer, - (int)write_buffer_size, false); + bidirectional_stream_write(s->cbs, stream_state->ws.write_buffer, + (int)write_buffer_size, false); result = ACTION_TAKEN_WITH_CALLBACK; } else { result = NO_ACTION_POSSIBLE; @@ -865,19 +909,27 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, op_can_be_run(stream_op, stream_state, &oas->state, OP_RECV_MESSAGE)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_RECV_MESSAGE", oas); - if (stream_state->state_op_done[OP_CANCEL_ERROR] || - stream_state->state_callback_received[OP_FAILED]) { - CRONET_LOG(GPR_DEBUG, "Stream is either cancelled or failed."); - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_message_ready, - GRPC_ERROR_CANCELLED, NULL); + if (stream_state->state_op_done[OP_CANCEL_ERROR]) { + CRONET_LOG(GPR_DEBUG, "Stream is cancelled."); + grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + GRPC_ERROR_CANCELLED); + stream_state->state_op_done[OP_RECV_MESSAGE] = true; + result = ACTION_TAKEN_NO_CALLBACK; + } else if (stream_state->state_callback_received[OP_FAILED]) { + CRONET_LOG(GPR_DEBUG, "Stream failed."); + grpc_closure_sched( + exec_ctx, stream_op->recv_message_ready, + make_error_with_desc(GRPC_STATUS_UNAVAILABLE, "Unavailable.")); stream_state->state_op_done[OP_RECV_MESSAGE] = true; + result = ACTION_TAKEN_NO_CALLBACK; } else if (stream_state->rs.read_stream_closed == true) { /* No more data will be received */ CRONET_LOG(GPR_DEBUG, "read stream closed"); - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_message_ready, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; + result = ACTION_TAKEN_NO_CALLBACK; } else if (stream_state->rs.length_field_received == false) { if (stream_state->rs.received_bytes == GRPC_HEADER_SIZE_IN_BYTES && stream_state->rs.remaining_bytes == 0) { @@ -893,11 +945,11 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, GPR_ASSERT(stream_state->rs.read_buffer); stream_state->rs.remaining_bytes = stream_state->rs.length_field; stream_state->rs.received_bytes = 0; - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_read(%p)", s->cbs); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); stream_state->state_op_done[OP_READ_REQ_MADE] = true; /* Indicates that at least one read request has been made */ - cronet_bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer, - stream_state->rs.remaining_bytes); + bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer, + stream_state->rs.remaining_bytes); result = ACTION_TAKEN_WITH_CALLBACK; } else { stream_state->rs.remaining_bytes = 0; @@ -907,8 +959,8 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, &stream_state->rs.read_slice_buffer, 0); *((grpc_byte_buffer **)stream_op->recv_message) = (grpc_byte_buffer *)&stream_state->rs.sbs; - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_message_ready, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; result = ACTION_TAKEN_NO_CALLBACK; @@ -918,11 +970,11 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, stream_state->rs.read_buffer = stream_state->rs.grpc_header_bytes; stream_state->rs.remaining_bytes = GRPC_HEADER_SIZE_IN_BYTES; stream_state->rs.received_bytes = 0; - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_read(%p)", s->cbs); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); stream_state->state_op_done[OP_READ_REQ_MADE] = true; /* Indicates that at least one read request has been made */ - cronet_bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer, - stream_state->rs.remaining_bytes); + bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer, + stream_state->rs.remaining_bytes); result = ACTION_TAKEN_WITH_CALLBACK; } else { result = NO_ACTION_POSSIBLE; @@ -942,14 +994,19 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, &stream_state->rs.read_slice_buffer, 0); *((grpc_byte_buffer **)stream_op->recv_message) = (grpc_byte_buffer *)&stream_state->rs.sbs; - grpc_exec_ctx_sched(exec_ctx, stream_op->recv_message_ready, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, stream_op->recv_message_ready, + GRPC_ERROR_NONE); stream_state->state_op_done[OP_RECV_MESSAGE] = true; oas->state.state_op_done[OP_RECV_MESSAGE] = true; - /* Clear read state of the stream, so next read op (if it were to come) - * will work */ - stream_state->rs.received_bytes = stream_state->rs.remaining_bytes = - stream_state->rs.length_field_received = 0; + /* Do an extra read to trigger on_succeeded() callback in case connection + is closed */ + stream_state->rs.read_buffer = stream_state->rs.grpc_header_bytes; + stream_state->rs.received_bytes = 0; + stream_state->rs.remaining_bytes = GRPC_HEADER_SIZE_IN_BYTES; + stream_state->rs.length_field_received = false; + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_read(%p)", s->cbs); + bidirectional_stream_read(s->cbs, stream_state->rs.read_buffer, + stream_state->rs.remaining_bytes); result = ACTION_TAKEN_NO_CALLBACK; } } else if (stream_op->recv_trailing_metadata && @@ -972,10 +1029,9 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, result = NO_ACTION_POSSIBLE; CRONET_LOG(GPR_DEBUG, "Stream is either cancelled or failed."); } else { - CRONET_LOG(GPR_DEBUG, "cronet_bidirectional_stream_write (%p, 0)", - s->cbs); + CRONET_LOG(GPR_DEBUG, "bidirectional_stream_write (%p, 0)", s->cbs); stream_state->state_callback_received[OP_SEND_MESSAGE] = false; - cronet_bidirectional_stream_write(s->cbs, "", 0, true); + bidirectional_stream_write(s->cbs, "", 0, true); result = ACTION_TAKEN_WITH_CALLBACK; } stream_state->state_op_done[OP_SEND_TRAILING_METADATA] = true; @@ -983,26 +1039,33 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, op_can_be_run(stream_op, stream_state, &oas->state, OP_CANCEL_ERROR)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_CANCEL_ERROR", oas); - CRONET_LOG(GPR_DEBUG, "W: cronet_bidirectional_stream_cancel(%p)", s->cbs); + CRONET_LOG(GPR_DEBUG, "W: bidirectional_stream_cancel(%p)", s->cbs); if (s->cbs) { - cronet_bidirectional_stream_cancel(s->cbs); + bidirectional_stream_cancel(s->cbs); + result = ACTION_TAKEN_WITH_CALLBACK; + } else { + result = ACTION_TAKEN_NO_CALLBACK; } stream_state->state_op_done[OP_CANCEL_ERROR] = true; - result = ACTION_TAKEN_WITH_CALLBACK; + if (!stream_state->cancel_error) { + stream_state->cancel_error = GRPC_ERROR_REF(stream_op->cancel_error); + } } else if (stream_op->on_complete && op_can_be_run(stream_op, stream_state, &oas->state, OP_ON_COMPLETE)) { CRONET_LOG(GPR_DEBUG, "running: %p OP_ON_COMPLETE", oas); - if (stream_state->state_op_done[OP_CANCEL_ERROR] || - stream_state->state_callback_received[OP_FAILED]) { - grpc_exec_ctx_sched(exec_ctx, stream_op->on_complete, - GRPC_ERROR_CANCELLED, NULL); + if (stream_state->state_op_done[OP_CANCEL_ERROR]) { + grpc_closure_sched(exec_ctx, stream_op->on_complete, + GRPC_ERROR_REF(stream_state->cancel_error)); + } else if (stream_state->state_callback_received[OP_FAILED]) { + grpc_closure_sched( + exec_ctx, stream_op->on_complete, + make_error_with_desc(GRPC_STATUS_UNAVAILABLE, "Unavailable.")); } else { /* All actions in this stream_op are complete. Call the on_complete * callback */ - grpc_exec_ctx_sched(exec_ctx, stream_op->on_complete, GRPC_ERROR_NONE, - NULL); + grpc_closure_sched(exec_ctx, stream_op->on_complete, GRPC_ERROR_NONE); } oas->state.state_op_done[OP_ON_COMPLETE] = true; oas->done = true; @@ -1017,6 +1080,15 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, make a note */ if (stream_op->recv_message) stream_state->state_op_done[OP_RECV_MESSAGE_AND_ON_COMPLETE] = true; + } else if (stream_state->fail_state && !stream_state->flush_read) { + CRONET_LOG(GPR_DEBUG, "running: %p flush read", oas); + if (stream_state->rs.read_buffer && + stream_state->rs.read_buffer != stream_state->rs.grpc_header_bytes) { + gpr_free(stream_state->rs.read_buffer); + stream_state->rs.read_buffer = NULL; + } + stream_state->rs.read_buffer = gpr_malloc(4096); + stream_state->flush_read = true; } else { result = NO_ACTION_POSSIBLE; } @@ -1042,6 +1114,8 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, memset(s->state.state_op_done, 0, sizeof(s->state.state_op_done)); memset(s->state.state_callback_received, 0, sizeof(s->state.state_callback_received)); + s->state.fail_state = s->state.flush_read = false; + s->state.cancel_error = NULL; gpr_mu_init(&s->mu); return 0; } @@ -1064,18 +1138,17 @@ static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, header_has_authority(op->send_initial_metadata->list.head)) { /* Cronet does not support :authority header field. We cancel the call when this field is present in metadata */ - cronet_bidirectional_stream_header_array header_array; - cronet_bidirectional_stream_header *header; - cronet_bidirectional_stream cbs; + bidirectional_stream_header_array header_array; + bidirectional_stream_header *header; + bidirectional_stream cbs; CRONET_LOG(GPR_DEBUG, ":authority header is provided but not supported;" " cancel operations"); /* Notify application that operation is cancelled by forging trailers */ header_array.count = 1; header_array.capacity = 1; - header_array.headers = - gpr_malloc(sizeof(cronet_bidirectional_stream_header)); - header = (cronet_bidirectional_stream_header *)header_array.headers; + header_array.headers = gpr_malloc(sizeof(bidirectional_stream_header)); + header = (bidirectional_stream_header *)header_array.headers; header->key = "grpc-status"; header->value = "1"; /* Return status GRPC_STATUS_CANCELLED */ cbs.annotation = (void *)s; @@ -1088,7 +1161,10 @@ static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, } static void destroy_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, - grpc_stream *gs, void *and_free_memory) {} + grpc_stream *gs, void *and_free_memory) { + stream_obj *s = (stream_obj *)gs; + GRPC_ERROR_UNREF(s->state.cancel_error); +} static void destroy_transport(grpc_exec_ctx *exec_ctx, grpc_transport *gt) {} diff --git a/src/core/lib/README.md b/src/core/lib/README.md new file mode 100644 index 0000000000..69b6bce2d9 --- /dev/null +++ b/src/core/lib/README.md @@ -0,0 +1,6 @@ +Required elements of gRPC Core: Each module in this directory is required to +build gRPC. If it's possible to envisage a configuration where code is not +required, then that code belongs in ext/ instead. + +NOTE: The movement of code between lib and ext is an ongoing effort, so this +directory currently contains too much of the core library. diff --git a/src/core/lib/channel/README.md b/src/core/lib/channel/README.md new file mode 100644 index 0000000000..2dfcfe6e66 --- /dev/null +++ b/src/core/lib/channel/README.md @@ -0,0 +1,4 @@ +# Channel + +Provides channel/call stack implementation, and implementation of common filters +for that implementation. diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c index 401a2ad4fe..1a099ac437 100644 --- a/src/core/lib/channel/channel_args.c +++ b/src/core/lib/channel/channel_args.c @@ -184,7 +184,7 @@ grpc_channel_args *grpc_channel_args_normalize(const grpc_channel_args *a) { return b; } -void grpc_channel_args_destroy(grpc_channel_args *a) { +void grpc_channel_args_destroy(grpc_exec_ctx *exec_ctx, grpc_channel_args *a) { size_t i; if (!a) return; for (i = 0; i < a->num_args; i++) { @@ -195,7 +195,8 @@ void grpc_channel_args_destroy(grpc_channel_args *a) { case GRPC_ARG_INTEGER: break; case GRPC_ARG_POINTER: - a->args[i].value.pointer.vtable->destroy(a->args[i].value.pointer.p); + a->args[i].value.pointer.vtable->destroy(exec_ctx, + a->args[i].value.pointer.p); break; } gpr_free(a->args[i].key); @@ -249,7 +250,8 @@ static int find_compression_algorithm_states_bitset(const grpc_channel_args *a, } grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( - grpc_channel_args **a, grpc_compression_algorithm algorithm, int state) { + grpc_exec_ctx *exec_ctx, grpc_channel_args **a, + grpc_compression_algorithm algorithm, int state) { int *states_arg = NULL; grpc_channel_args *result = *a; const int states_arg_found = @@ -282,7 +284,7 @@ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( GPR_BITCLEAR((unsigned *)&tmp.value.integer, algorithm); } result = grpc_channel_args_copy_and_add(*a, &tmp, 1); - grpc_channel_args_destroy(*a); + grpc_channel_args_destroy(exec_ctx, *a); *a = result; } return result; diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h index 88fc0e37a3..5c7d31f8bb 100644 --- a/src/core/lib/channel/channel_args.h +++ b/src/core/lib/channel/channel_args.h @@ -68,7 +68,7 @@ grpc_channel_args *grpc_channel_args_merge(const grpc_channel_args *a, const grpc_channel_args *b); /** Destroy arguments created by \a grpc_channel_args_copy */ -void grpc_channel_args_destroy(grpc_channel_args *a); +void grpc_channel_args_destroy(grpc_exec_ctx *exec_ctx, grpc_channel_args *a); /** Returns the compression algorithm set in \a a. */ grpc_compression_algorithm grpc_channel_args_get_compression_algorithm( @@ -88,7 +88,8 @@ grpc_channel_args *grpc_channel_args_set_compression_algorithm( * modified to point to the returned instance (which may be different from the * input value of \a a). */ grpc_channel_args *grpc_channel_args_compression_algorithm_set_state( - grpc_channel_args **a, grpc_compression_algorithm algorithm, int enabled); + grpc_exec_ctx *exec_ctx, grpc_channel_args **a, + grpc_compression_algorithm algorithm, int enabled); /** Returns the bitset representing the support state (true for enabled, false * for disabled) for compression algorithms. diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c index 999ad5f507..8f08b427fb 100644 --- a/src/core/lib/channel/channel_stack.c +++ b/src/core/lib/channel/channel_stack.c @@ -102,13 +102,11 @@ grpc_call_element *grpc_call_stack_element(grpc_call_stack *call_stack, return CALL_ELEMS_FROM_STACK(call_stack) + index; } -void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, - grpc_iomgr_cb_func destroy, void *destroy_arg, - const grpc_channel_filter **filters, - size_t filter_count, - const grpc_channel_args *channel_args, - grpc_transport *optional_transport, - const char *name, grpc_channel_stack *stack) { +grpc_error *grpc_channel_stack_init( + grpc_exec_ctx *exec_ctx, int initial_refs, grpc_iomgr_cb_func destroy, + void *destroy_arg, const grpc_channel_filter **filters, size_t filter_count, + const grpc_channel_args *channel_args, grpc_transport *optional_transport, + const char *name, grpc_channel_stack *stack) { size_t call_size = ROUND_UP_TO_ALIGNMENT_SIZE(sizeof(grpc_call_stack)) + ROUND_UP_TO_ALIGNMENT_SIZE(filter_count * sizeof(grpc_call_element)); @@ -126,6 +124,7 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, ROUND_UP_TO_ALIGNMENT_SIZE(filter_count * sizeof(grpc_channel_element)); /* init per-filter data */ + grpc_error *first_error = GRPC_ERROR_NONE; for (i = 0; i < filter_count; i++) { args.channel_stack = stack; args.channel_args = channel_args; @@ -134,7 +133,15 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, args.is_last = i == (filter_count - 1); elems[i].filter = filters[i]; elems[i].channel_data = user_data; - elems[i].filter->init_channel_elem(exec_ctx, &elems[i], &args); + grpc_error *error = + elems[i].filter->init_channel_elem(exec_ctx, &elems[i], &args); + if (error != GRPC_ERROR_NONE) { + if (first_error == GRPC_ERROR_NONE) { + first_error = error; + } else { + GRPC_ERROR_UNREF(error); + } + } user_data += ROUND_UP_TO_ALIGNMENT_SIZE(filters[i]->sizeof_channel_data); call_size += ROUND_UP_TO_ALIGNMENT_SIZE(filters[i]->sizeof_call_data); } @@ -144,6 +151,7 @@ void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, grpc_channel_stack_size(filters, filter_count)); stack->call_stack_size = call_size; + return first_error; } void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx, @@ -289,7 +297,8 @@ void grpc_call_element_send_cancel(grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); memset(op, 0, sizeof(*op)); op->cancel_error = GRPC_ERROR_CANCELLED; - op->on_complete = grpc_closure_create(destroy_op, op); + op->on_complete = + grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx); elem->filter->start_transport_stream_op(exec_ctx, elem, op); } @@ -299,8 +308,9 @@ void grpc_call_element_send_cancel_with_message(grpc_exec_ctx *exec_ctx, grpc_slice *optional_message) { grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); memset(op, 0, sizeof(*op)); - op->on_complete = grpc_closure_create(destroy_op, op); - grpc_transport_stream_op_add_cancellation_with_message(op, status, + op->on_complete = + grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx); + grpc_transport_stream_op_add_cancellation_with_message(exec_ctx, op, status, optional_message); elem->filter->start_transport_stream_op(exec_ctx, elem, op); } @@ -311,7 +321,8 @@ void grpc_call_element_send_close_with_message(grpc_exec_ctx *exec_ctx, grpc_slice *optional_message) { grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); memset(op, 0, sizeof(*op)); - op->on_complete = grpc_closure_create(destroy_op, op); - grpc_transport_stream_op_add_close(op, status, optional_message); + op->on_complete = + grpc_closure_create(destroy_op, op, grpc_schedule_on_exec_ctx); + grpc_transport_stream_op_add_close(exec_ctx, op, status, optional_message); elem->filter->start_transport_stream_op(exec_ctx, elem, op); } diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h index 004643d45f..d9d3a85233 100644 --- a/src/core/lib/channel/channel_stack.h +++ b/src/core/lib/channel/channel_stack.h @@ -34,6 +34,13 @@ #ifndef GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H #define GRPC_CORE_LIB_CHANNEL_CHANNEL_STACK_H +////////////////////////////////////////////////////////////////////////////// +// IMPORTANT NOTE: +// +// When you update this API, please make the corresponding changes to +// the C++ API in src/cpp/common/channel_filter.{h,cc} +////////////////////////////////////////////////////////////////////////////// + /* A channel filter defines how operations on a channel are implemented. Channel filters are chained together to create full channels, and if those chains are linear, then channel stacks provide a mechanism to minimize @@ -146,8 +153,9 @@ typedef struct { is_first, is_last designate this elements position in the stack, and are useful for asserting correct configuration by upper layer code. The filter does not need to do any chaining */ - void (*init_channel_elem)(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, - grpc_channel_element_args *args); + grpc_error *(*init_channel_elem)(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args); /* Destroy per channel data. The filter does not need to do any chaining */ void (*destroy_channel_elem)(grpc_exec_ctx *exec_ctx, @@ -214,12 +222,11 @@ grpc_call_element *grpc_call_stack_element(grpc_call_stack *stack, size_t i); size_t grpc_channel_stack_size(const grpc_channel_filter **filters, size_t filter_count); /* Initialize a channel stack given some filters */ -void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx, int initial_refs, - grpc_iomgr_cb_func destroy, void *destroy_arg, - const grpc_channel_filter **filters, - size_t filter_count, const grpc_channel_args *args, - grpc_transport *optional_transport, - const char *name, grpc_channel_stack *stack); +grpc_error *grpc_channel_stack_init( + grpc_exec_ctx *exec_ctx, int initial_refs, grpc_iomgr_cb_func destroy, + void *destroy_arg, const grpc_channel_filter **filters, size_t filter_count, + const grpc_channel_args *args, grpc_transport *optional_transport, + const char *name, grpc_channel_stack *stack); /* Destroy a channel stack */ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx, grpc_channel_stack *stack); diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c index eda4968f48..5f9e3b4539 100644 --- a/src/core/lib/channel/channel_stack_builder.c +++ b/src/core/lib/channel/channel_stack_builder.c @@ -138,9 +138,10 @@ void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder, } void grpc_channel_stack_builder_set_channel_arguments( - grpc_channel_stack_builder *builder, const grpc_channel_args *args) { + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, + const grpc_channel_args *args) { if (builder->args != NULL) { - grpc_channel_args_destroy(builder->args); + grpc_channel_args_destroy(exec_ctx, builder->args); } builder->args = grpc_channel_args_copy(args); } @@ -213,7 +214,8 @@ bool grpc_channel_stack_builder_add_filter_after( return true; } -void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder) { +void grpc_channel_stack_builder_destroy(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder) { filter_node *p = builder->begin.next; while (p != &builder->end) { filter_node *next = p->next; @@ -221,17 +223,16 @@ void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder) { p = next; } if (builder->args != NULL) { - grpc_channel_args_destroy(builder->args); + grpc_channel_args_destroy(exec_ctx, builder->args); } gpr_free(builder->target); gpr_free(builder); } -void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx, - grpc_channel_stack_builder *builder, - size_t prefix_bytes, int initial_refs, - grpc_iomgr_cb_func destroy, - void *destroy_arg) { +grpc_error *grpc_channel_stack_builder_finish( + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, + size_t prefix_bytes, int initial_refs, grpc_iomgr_cb_func destroy, + void *destroy_arg, void **result) { // count the number of filters size_t num_filters = 0; for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) { @@ -250,28 +251,35 @@ void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx, size_t channel_stack_size = grpc_channel_stack_size(filters, num_filters); // allocate memory, with prefix_bytes followed by channel_stack_size - char *result = gpr_malloc(prefix_bytes + channel_stack_size); + *result = gpr_malloc(prefix_bytes + channel_stack_size); // fetch a pointer to the channel stack grpc_channel_stack *channel_stack = - (grpc_channel_stack *)(result + prefix_bytes); + (grpc_channel_stack *)((char *)(*result) + prefix_bytes); // and initialize it - grpc_channel_stack_init(exec_ctx, initial_refs, destroy, - destroy_arg == NULL ? result : destroy_arg, filters, - num_filters, builder->args, builder->transport, - builder->name, channel_stack); - - // run post-initialization functions - i = 0; - for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) { - if (p->init != NULL) { - p->init(channel_stack, grpc_channel_stack_element(channel_stack, i), - p->init_arg); + grpc_error *error = grpc_channel_stack_init( + exec_ctx, initial_refs, destroy, + destroy_arg == NULL ? *result : destroy_arg, filters, num_filters, + builder->args, builder->transport, builder->name, channel_stack); + + if (error != GRPC_ERROR_NONE) { + grpc_channel_stack_destroy(exec_ctx, channel_stack); + gpr_free(*result); + *result = NULL; + } else { + // run post-initialization functions + i = 0; + for (filter_node *p = builder->begin.next; p != &builder->end; + p = p->next) { + if (p->init != NULL) { + p->init(channel_stack, grpc_channel_stack_element(channel_stack, i), + p->init_arg); + } + i++; } - i++; } - grpc_channel_stack_builder_destroy(builder); + grpc_channel_stack_builder_destroy(exec_ctx, builder); gpr_free((grpc_channel_filter **)filters); - return result; + return error; } diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h index 4a00f7bfdb..8adf38e27b 100644 --- a/src/core/lib/channel/channel_stack_builder.h +++ b/src/core/lib/channel/channel_stack_builder.h @@ -73,7 +73,8 @@ grpc_transport *grpc_channel_stack_builder_get_transport( /// Set channel arguments: copies args void grpc_channel_stack_builder_set_channel_arguments( - grpc_channel_stack_builder *builder, const grpc_channel_args *args); + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, + const grpc_channel_args *args); /// Return a borrowed pointer to the channel arguments const grpc_channel_args *grpc_channel_stack_builder_get_channel_arguments( @@ -146,19 +147,19 @@ bool grpc_channel_stack_builder_append_filter( void grpc_channel_stack_builder_iterator_destroy( grpc_channel_stack_builder_iterator *iterator); -/// Destroy the builder, return the freshly minted channel stack +/// Destroy the builder, return the freshly minted channel stack in \a result. /// Allocates \a prefix_bytes bytes before the channel stack /// Returns the base pointer of the allocated block /// \a initial_refs, \a destroy, \a destroy_arg are as per /// grpc_channel_stack_init -void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx, - grpc_channel_stack_builder *builder, - size_t prefix_bytes, int initial_refs, - grpc_iomgr_cb_func destroy, - void *destroy_arg); +grpc_error *grpc_channel_stack_builder_finish( + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, + size_t prefix_bytes, int initial_refs, grpc_iomgr_cb_func destroy, + void *destroy_arg, void **result); /// Destroy the builder without creating a channel stack -void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder); +void grpc_channel_stack_builder_destroy(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder); extern int grpc_trace_channel_stack_builder; diff --git a/src/core/lib/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c index 2874d63fc7..337c194b79 100644 --- a/src/core/lib/channel/compress_filter.c +++ b/src/core/lib/channel/compress_filter.c @@ -44,6 +44,7 @@ #include "src/core/lib/compression/algorithm_metadata.h" #include "src/core/lib/compression/message_compress.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" @@ -82,7 +83,8 @@ typedef struct channel_data { /** For each \a md element from the incoming metadata, filter out the entry for * "grpc-encoding", using its value to populate the call data's * compression_algorithm field. */ -static grpc_mdelem *compression_md_filter(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *compression_md_filter(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *md) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; channel_data *channeld = elem->channel_data; @@ -130,12 +132,14 @@ static int skip_compression(grpc_call_element *elem, uint32_t flags) { /** Filter initial metadata */ static void process_send_initial_metadata( - grpc_call_element *elem, grpc_metadata_batch *initial_metadata) { + grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_metadata_batch *initial_metadata) { call_data *calld = elem->call_data; channel_data *channeld = elem->channel_data; /* Parse incoming request for compression. If any, it'll be available * at calld->compression_algorithm */ - grpc_metadata_batch_filter(initial_metadata, compression_md_filter, elem); + grpc_metadata_batch_filter(exec_ctx, initial_metadata, compression_md_filter, + elem); if (!calld->has_compression_algorithm) { /* If no algorithm was found in the metadata and we aren't * exceptionally skipping compression, fall back to the channel @@ -161,7 +165,7 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, static void send_done(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { grpc_call_element *elem = elemp; call_data *calld = elem->call_data; - grpc_slice_buffer_reset_and_unref(&calld->slices); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &calld->slices); calld->post_send->cb(exec_ctx, calld->post_send->cb_arg, error); } @@ -171,8 +175,8 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, int did_compress; grpc_slice_buffer tmp; grpc_slice_buffer_init(&tmp); - did_compress = - grpc_msg_compress(calld->compression_algorithm, &calld->slices, &tmp); + did_compress = grpc_msg_compress(exec_ctx, calld->compression_algorithm, + &calld->slices, &tmp); if (did_compress) { if (grpc_compression_trace) { char *algo_name; @@ -199,7 +203,7 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, } } - grpc_slice_buffer_destroy(&tmp); + grpc_slice_buffer_destroy_internal(exec_ctx, &tmp); grpc_slice_buffer_stream_init(&calld->replacement_stream, &calld->slices, calld->send_flags); @@ -243,7 +247,7 @@ static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx, GPR_TIMER_BEGIN("compress_start_transport_stream_op", 0); if (op->send_initial_metadata) { - process_send_initial_metadata(elem, op->send_initial_metadata); + process_send_initial_metadata(exec_ctx, elem, op->send_initial_metadata); } if (op->send_message != NULL && !skip_compression(elem, op->send_message->flags)) { @@ -269,8 +273,10 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, /* initialize members */ grpc_slice_buffer_init(&calld->slices); calld->has_compression_algorithm = 0; - grpc_closure_init(&calld->got_slice, got_slice, elem); - grpc_closure_init(&calld->send_done, send_done, elem); + grpc_closure_init(&calld->got_slice, got_slice, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->send_done, send_done, elem, + grpc_schedule_on_exec_ctx); return GRPC_ERROR_NONE; } @@ -281,13 +287,13 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, void *ignored) { /* grab pointers to our data from the call element */ call_data *calld = elem->call_data; - grpc_slice_buffer_destroy(&calld->slices); + grpc_slice_buffer_destroy_internal(exec_ctx, &calld->slices); } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *channeld = elem->channel_data; channeld->enabled_algorithms_bitset = @@ -315,6 +321,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, } GPR_ASSERT(!args->is_last); + return GRPC_ERROR_NONE; } /* Destructor for channel data */ diff --git a/src/core/lib/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c index 038e819f72..ccc0619e1c 100644 --- a/src/core/lib/channel/connected_channel.c +++ b/src/core/lib/channel/connected_channel.c @@ -114,12 +114,13 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *cd = (channel_data *)elem->channel_data; GPR_ASSERT(args->is_last); cd->transport = NULL; + return GRPC_ERROR_NONE; } /* Destructor for channel_data */ @@ -170,7 +171,8 @@ static void bind_transport(grpc_channel_stack *channel_stack, channel_stack->call_stack_size += grpc_transport_stream_size(t); } -bool grpc_add_connected_filter(grpc_channel_stack_builder *builder, +bool grpc_add_connected_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg_must_be_null) { GPR_ASSERT(arg_must_be_null == NULL); grpc_transport *t = grpc_channel_stack_builder_get_transport(builder); diff --git a/src/core/lib/channel/connected_channel.h b/src/core/lib/channel/connected_channel.h index 3142d647b7..3585c0ecbc 100644 --- a/src/core/lib/channel/connected_channel.h +++ b/src/core/lib/channel/connected_channel.h @@ -36,7 +36,8 @@ #include "src/core/lib/channel/channel_stack_builder.h" -bool grpc_add_connected_filter(grpc_channel_stack_builder *builder, +bool grpc_add_connected_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg_must_be_null); #endif /* GRPC_CORE_LIB_CHANNEL_CONNECTED_CHANNEL_H */ diff --git a/src/core/lib/channel/context.h b/src/core/lib/channel/context.h index 071c5f695c..6c931ad28a 100644 --- a/src/core/lib/channel/context.h +++ b/src/core/lib/channel/context.h @@ -47,6 +47,9 @@ typedef enum { /// Value is a \a census_context. GRPC_CONTEXT_TRACING, + /// Reserved for traffic_class_context. + GRPC_CONTEXT_TRAFFIC, + GRPC_CONTEXT_COUNT } grpc_context_index; diff --git a/src/core/lib/channel/deadline_filter.c b/src/core/lib/channel/deadline_filter.c index 0e703d8d27..a45a4d4b82 100644 --- a/src/core/lib/channel/deadline_filter.c +++ b/src/core/lib/channel/deadline_filter.c @@ -41,6 +41,7 @@ #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/slice/slice_internal.h" // // grpc_deadline_state @@ -58,7 +59,7 @@ static void timer_callback(grpc_exec_ctx* exec_ctx, void* arg, grpc_slice msg = grpc_slice_from_static_string("Deadline Exceeded"); grpc_call_element_send_cancel_with_message( exec_ctx, elem, GRPC_STATUS_DEADLINE_EXCEEDED, &msg); - grpc_slice_unref(msg); + grpc_slice_unref_internal(exec_ctx, msg); } GRPC_CALL_STACK_UNREF(exec_ctx, deadline_state->call_stack, "deadline_timer"); } @@ -82,8 +83,11 @@ static void start_timer_if_needed_locked(grpc_exec_ctx* exec_ctx, // Take a reference to the call stack, to be owned by the timer. GRPC_CALL_STACK_REF(deadline_state->call_stack, "deadline_timer"); deadline_state->timer_pending = true; - grpc_timer_init(exec_ctx, &deadline_state->timer, deadline, timer_callback, - elem, gpr_now(GPR_CLOCK_MONOTONIC)); + grpc_closure_init(&deadline_state->timer_callback, timer_callback, elem, + grpc_schedule_on_exec_ctx); + grpc_timer_init(exec_ctx, &deadline_state->timer, deadline, + &deadline_state->timer_callback, + gpr_now(GPR_CLOCK_MONOTONIC)); } } static void start_timer_if_needed(grpc_exec_ctx* exec_ctx, @@ -123,7 +127,8 @@ static void on_complete(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { static void inject_on_complete_cb(grpc_deadline_state* deadline_state, grpc_transport_stream_op* op) { deadline_state->next_on_complete = op->on_complete; - grpc_closure_init(&deadline_state->on_complete, on_complete, deadline_state); + grpc_closure_init(&deadline_state->on_complete, on_complete, deadline_state, + grpc_schedule_on_exec_ctx); op->on_complete = &deadline_state->on_complete; } @@ -172,8 +177,9 @@ void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, struct start_timer_after_init_state* state = gpr_malloc(sizeof(*state)); state->elem = elem; state->deadline = deadline; - grpc_closure_init(&state->closure, start_timer_after_init, state); - grpc_exec_ctx_sched(exec_ctx, &state->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_init(&state->closure, start_timer_after_init, state, + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &state->closure, GRPC_ERROR_NONE); } } @@ -207,10 +213,11 @@ void grpc_deadline_state_client_start_transport_stream_op( // // Constructor for channel_data. Used for both client and server filters. -static void init_channel_elem(grpc_exec_ctx* exec_ctx, - grpc_channel_element* elem, - grpc_channel_element_args* args) { +static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem, + grpc_channel_element_args* args) { GPR_ASSERT(!args->is_last); + return GRPC_ERROR_NONE; } // Destructor for channel_data. Used for both client and server filters. @@ -289,7 +296,8 @@ static void server_start_transport_stream_op(grpc_exec_ctx* exec_ctx, calld->next_recv_initial_metadata_ready = op->recv_initial_metadata_ready; calld->recv_initial_metadata = op->recv_initial_metadata; grpc_closure_init(&calld->recv_initial_metadata_ready, - recv_initial_metadata_ready, elem); + recv_initial_metadata_ready, elem, + grpc_schedule_on_exec_ctx); op->recv_initial_metadata_ready = &calld->recv_initial_metadata_ready; } // Make sure we know when the call is complete, so that we can cancel diff --git a/src/core/lib/channel/deadline_filter.h b/src/core/lib/channel/deadline_filter.h index 716a852565..bd2b84f79e 100644 --- a/src/core/lib/channel/deadline_filter.h +++ b/src/core/lib/channel/deadline_filter.h @@ -46,6 +46,7 @@ typedef struct grpc_deadline_state { bool timer_pending; // The deadline timer. grpc_timer timer; + grpc_closure timer_callback; // Closure to invoke when the call is complete. // We use this to cancel the timer. grpc_closure on_complete; diff --git a/src/core/lib/channel/handshaker.c b/src/core/lib/channel/handshaker.c index a45a39981c..c052ca5385 100644 --- a/src/core/lib/channel/handshaker.c +++ b/src/core/lib/channel/handshaker.c @@ -38,12 +38,13 @@ #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/iomgr/timer.h" // // grpc_handshaker // -void grpc_handshaker_init(const struct grpc_handshaker_vtable* vtable, +void grpc_handshaker_init(const grpc_handshaker_vtable* vtable, grpc_handshaker* handshaker) { handshaker->vtable = vtable; } @@ -60,45 +61,44 @@ void grpc_handshaker_shutdown(grpc_exec_ctx* exec_ctx, void grpc_handshaker_do_handshake(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker, - grpc_endpoint* endpoint, - grpc_channel_args* args, - grpc_slice_buffer* read_buffer, - gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor, - grpc_handshaker_done_cb cb, void* user_data) { - handshaker->vtable->do_handshake(exec_ctx, handshaker, endpoint, args, - read_buffer, deadline, acceptor, cb, - user_data); + grpc_closure* on_handshake_done, + grpc_handshaker_args* args) { + handshaker->vtable->do_handshake(exec_ctx, handshaker, acceptor, + on_handshake_done, args); } // // grpc_handshake_manager // -// State used while chaining handshakers. -struct grpc_handshaker_state { - // The index of the handshaker to invoke next. - size_t index; - // The deadline for all handshakers. - gpr_timespec deadline; - // The acceptor to call the handshakers with. - grpc_tcp_server_acceptor* acceptor; - // The final callback and user_data to invoke after the last handshaker. - grpc_handshaker_done_cb final_cb; - void* final_user_data; -}; - struct grpc_handshake_manager { + gpr_mu mu; + gpr_refcount refs; + bool shutdown; // An array of handshakers added via grpc_handshake_manager_add(). size_t count; grpc_handshaker** handshakers; - // State used while chaining handshakers. - struct grpc_handshaker_state* state; + // The index of the handshaker to invoke next and closure to invoke it. + size_t index; + grpc_closure call_next_handshaker; + // The acceptor to call the handshakers with. + grpc_tcp_server_acceptor* acceptor; + // Deadline timer across all handshakers. + grpc_timer deadline_timer; + grpc_closure on_timeout; + // The final callback and user_data to invoke after the last handshaker. + grpc_closure on_handshake_done; + void* user_data; + // Handshaker args. + grpc_handshaker_args args; }; grpc_handshake_manager* grpc_handshake_manager_create() { grpc_handshake_manager* mgr = gpr_malloc(sizeof(grpc_handshake_manager)); memset(mgr, 0, sizeof(*mgr)); + gpr_mu_init(&mgr->mu); + gpr_ref_init(&mgr->refs, 1); return mgr; } @@ -106,6 +106,7 @@ static bool is_power_of_2(size_t n) { return (n & (n - 1)) == 0; } void grpc_handshake_manager_add(grpc_handshake_manager* mgr, grpc_handshaker* handshaker) { + gpr_mu_lock(&mgr->mu); // To avoid allocating memory for each handshaker we add, we double // the number of elements every time we need more. size_t realloc_count = 0; @@ -119,85 +120,121 @@ void grpc_handshake_manager_add(grpc_handshake_manager* mgr, gpr_realloc(mgr->handshakers, realloc_count * sizeof(grpc_handshaker*)); } mgr->handshakers[mgr->count++] = handshaker; + gpr_mu_unlock(&mgr->mu); +} + +static void grpc_handshake_manager_unref(grpc_exec_ctx* exec_ctx, + grpc_handshake_manager* mgr) { + if (gpr_unref(&mgr->refs)) { + for (size_t i = 0; i < mgr->count; ++i) { + grpc_handshaker_destroy(exec_ctx, mgr->handshakers[i]); + } + gpr_free(mgr->handshakers); + gpr_mu_destroy(&mgr->mu); + gpr_free(mgr); + } } void grpc_handshake_manager_destroy(grpc_exec_ctx* exec_ctx, grpc_handshake_manager* mgr) { - for (size_t i = 0; i < mgr->count; ++i) { - grpc_handshaker_destroy(exec_ctx, mgr->handshakers[i]); - } - gpr_free(mgr->handshakers); - gpr_free(mgr); + grpc_handshake_manager_unref(exec_ctx, mgr); } void grpc_handshake_manager_shutdown(grpc_exec_ctx* exec_ctx, grpc_handshake_manager* mgr) { - for (size_t i = 0; i < mgr->count; ++i) { - grpc_handshaker_shutdown(exec_ctx, mgr->handshakers[i]); + gpr_mu_lock(&mgr->mu); + // Shutdown the handshaker that's currently in progress, if any. + if (!mgr->shutdown && mgr->index > 0) { + mgr->shutdown = true; + grpc_handshaker_shutdown(exec_ctx, mgr->handshakers[mgr->index - 1]); } - if (mgr->state != NULL) { - gpr_free(mgr->state); - mgr->state = NULL; + gpr_mu_unlock(&mgr->mu); +} + +// Helper function to call either the next handshaker or the +// on_handshake_done callback. +// Returns true if we've scheduled the on_handshake_done callback. +static bool call_next_handshaker_locked(grpc_exec_ctx* exec_ctx, + grpc_handshake_manager* mgr, + grpc_error* error) { + GPR_ASSERT(mgr->index <= mgr->count); + // If we got an error or we've been shut down or we're exiting early or + // we've finished the last handshaker, invoke the on_handshake_done + // callback. Otherwise, call the next handshaker. + if (error != GRPC_ERROR_NONE || mgr->shutdown || mgr->args.exit_early || + mgr->index == mgr->count) { + // Cancel deadline timer, since we're invoking the on_handshake_done + // callback now. + grpc_timer_cancel(exec_ctx, &mgr->deadline_timer); + grpc_closure_sched(exec_ctx, &mgr->on_handshake_done, error); + mgr->shutdown = true; + } else { + grpc_handshaker_do_handshake(exec_ctx, mgr->handshakers[mgr->index], + mgr->acceptor, &mgr->call_next_handshaker, + &mgr->args); } + ++mgr->index; + return mgr->shutdown; } // A function used as the handshaker-done callback when chaining // handshakers together. -static void call_next_handshaker(grpc_exec_ctx* exec_ctx, - grpc_endpoint* endpoint, - grpc_channel_args* args, - grpc_slice_buffer* read_buffer, - void* user_data, grpc_error* error) { - grpc_handshake_manager* mgr = user_data; - GPR_ASSERT(mgr->state != NULL); - GPR_ASSERT(mgr->state->index < mgr->count); - // If we got an error, skip all remaining handshakers and invoke the - // caller-supplied callback immediately. - if (error != GRPC_ERROR_NONE) { - mgr->state->final_cb(exec_ctx, endpoint, args, read_buffer, - mgr->state->final_user_data, error); - return; +static void call_next_handshaker(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + grpc_handshake_manager* mgr = arg; + gpr_mu_lock(&mgr->mu); + bool done = call_next_handshaker_locked(exec_ctx, mgr, GRPC_ERROR_REF(error)); + gpr_mu_unlock(&mgr->mu); + // If we're invoked the final callback, we won't be coming back + // to this function, so we can release our reference to the + // handshake manager. + if (done) { + grpc_handshake_manager_unref(exec_ctx, mgr); } - grpc_handshaker_done_cb cb = call_next_handshaker; - // If this is the last handshaker, use the caller-supplied callback - // and user_data instead of chaining back to this function again. - if (mgr->state->index == mgr->count - 1) { - cb = mgr->state->final_cb; - user_data = mgr->state->final_user_data; - } - // Invoke handshaker. - grpc_handshaker_do_handshake( - exec_ctx, mgr->handshakers[mgr->state->index], endpoint, args, - read_buffer, mgr->state->deadline, mgr->state->acceptor, cb, user_data); - ++mgr->state->index; - // If this is the last handshaker, clean up state. - if (mgr->state->index == mgr->count) { - gpr_free(mgr->state); - mgr->state = NULL; +} + +// Callback invoked when deadline is exceeded. +static void on_timeout(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { + grpc_handshake_manager* mgr = arg; + if (error == GRPC_ERROR_NONE) { // Timer fired, rather than being cancelled. + grpc_handshake_manager_shutdown(exec_ctx, mgr); } + grpc_handshake_manager_unref(exec_ctx, mgr); } void grpc_handshake_manager_do_handshake( grpc_exec_ctx* exec_ctx, grpc_handshake_manager* mgr, - grpc_endpoint* endpoint, const grpc_channel_args* args, + grpc_endpoint* endpoint, const grpc_channel_args* channel_args, gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor, - grpc_handshaker_done_cb cb, void* user_data) { - grpc_channel_args* args_copy = grpc_channel_args_copy(args); - grpc_slice_buffer* read_buffer = gpr_malloc(sizeof(*read_buffer)); - grpc_slice_buffer_init(read_buffer); - if (mgr->count == 0) { - // No handshakers registered, so we just immediately call the done - // callback with the passed-in endpoint. - cb(exec_ctx, endpoint, args_copy, read_buffer, user_data, GRPC_ERROR_NONE); - } else { - GPR_ASSERT(mgr->state == NULL); - mgr->state = gpr_malloc(sizeof(struct grpc_handshaker_state)); - memset(mgr->state, 0, sizeof(*mgr->state)); - mgr->state->deadline = deadline; - mgr->state->acceptor = acceptor; - mgr->state->final_cb = cb; - mgr->state->final_user_data = user_data; - call_next_handshaker(exec_ctx, endpoint, args_copy, read_buffer, mgr, - GRPC_ERROR_NONE); + grpc_iomgr_cb_func on_handshake_done, void* user_data) { + gpr_mu_lock(&mgr->mu); + GPR_ASSERT(mgr->index == 0); + GPR_ASSERT(!mgr->shutdown); + // Construct handshaker args. These will be passed through all + // handshakers and eventually be freed by the on_handshake_done callback. + mgr->args.endpoint = endpoint; + mgr->args.args = grpc_channel_args_copy(channel_args); + mgr->args.user_data = user_data; + mgr->args.read_buffer = gpr_malloc(sizeof(*mgr->args.read_buffer)); + grpc_slice_buffer_init(mgr->args.read_buffer); + // Initialize state needed for calling handshakers. + mgr->acceptor = acceptor; + grpc_closure_init(&mgr->call_next_handshaker, call_next_handshaker, mgr, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&mgr->on_handshake_done, on_handshake_done, &mgr->args, + grpc_schedule_on_exec_ctx); + // Start deadline timer, which owns a ref. + gpr_ref(&mgr->refs); + grpc_closure_init(&mgr->on_timeout, on_timeout, mgr, + grpc_schedule_on_exec_ctx); + grpc_timer_init(exec_ctx, &mgr->deadline_timer, + gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), + &mgr->on_timeout, gpr_now(GPR_CLOCK_MONOTONIC)); + // Start first handshaker, which also owns a ref. + gpr_ref(&mgr->refs); + bool done = call_next_handshaker_locked(exec_ctx, mgr, GRPC_ERROR_NONE); + gpr_mu_unlock(&mgr->mu); + if (done) { + grpc_handshake_manager_unref(exec_ctx, mgr); } } diff --git a/src/core/lib/channel/handshaker.h b/src/core/lib/channel/handshaker.h index f8a36c6473..450b7adaee 100644 --- a/src/core/lib/channel/handshaker.h +++ b/src/core/lib/channel/handshaker.h @@ -54,15 +54,33 @@ typedef struct grpc_handshaker grpc_handshaker; -/// Callback type invoked when a handshaker is done. -/// Takes ownership of \a args and \a read_buffer. -typedef void (*grpc_handshaker_done_cb)(grpc_exec_ctx* exec_ctx, - grpc_endpoint* endpoint, - grpc_channel_args* args, - grpc_slice_buffer* read_buffer, - void* user_data, grpc_error* error); - -struct grpc_handshaker_vtable { +/// Arguments passed through handshakers and to the on_handshake_done callback. +/// +/// For handshakers, all members are input/output parameters; for +/// example, a handshaker may read from or write to \a endpoint and +/// then later replace it with a wrapped endpoint. Similarly, a +/// handshaker may modify \a args. +/// +/// A handshaker takes ownership of the members while a handshake is in +/// progress. Upon failure or shutdown of an in-progress handshaker, +/// the handshaker is responsible for destroying the members and setting +/// them to NULL before invoking the on_handshake_done callback. +/// +/// For the on_handshake_done callback, all members are input arguments, +/// which the callback takes ownership of. +typedef struct { + grpc_endpoint* endpoint; + grpc_channel_args* args; + grpc_slice_buffer* read_buffer; + // A handshaker may set this to true before invoking on_handshake_done + // to indicate that subsequent handshakers should be skipped. + bool exit_early; + // User data passed through the handshake manager. Not used by + // individual handshakers. + void* user_data; +} grpc_handshaker_args; + +typedef struct { /// Destroys the handshaker. void (*destroy)(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker); @@ -70,43 +88,35 @@ struct grpc_handshaker_vtable { /// aborted in the middle). void (*shutdown)(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker); - /// Performs handshaking. When finished, calls \a cb with \a user_data. - /// Takes ownership of \a args. - /// Takes ownership of \a read_buffer, which contains leftover bytes read - /// from the endpoint by the previous handshaker. + /// Performs handshaking, modifying \a args as needed (e.g., to + /// replace \a endpoint with a wrapped endpoint). + /// When finished, invokes \a on_handshake_done. /// \a acceptor will be NULL for client-side handshakers. void (*do_handshake)(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker, - grpc_endpoint* endpoint, grpc_channel_args* args, - grpc_slice_buffer* read_buffer, gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor, - grpc_handshaker_done_cb cb, void* user_data); -}; + grpc_closure* on_handshake_done, + grpc_handshaker_args* args); +} grpc_handshaker_vtable; /// Base struct. To subclass, make this the first member of the /// implementation struct. struct grpc_handshaker { - const struct grpc_handshaker_vtable* vtable; + const grpc_handshaker_vtable* vtable; }; /// Called by concrete implementations to initialize the base struct. -void grpc_handshaker_init(const struct grpc_handshaker_vtable* vtable, +void grpc_handshaker_init(const grpc_handshaker_vtable* vtable, grpc_handshaker* handshaker); -/// Convenient wrappers for invoking methods via the vtable. -/// These probably do not need to be called from anywhere but -/// grpc_handshake_manager. void grpc_handshaker_destroy(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker); void grpc_handshaker_shutdown(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker); void grpc_handshaker_do_handshake(grpc_exec_ctx* exec_ctx, grpc_handshaker* handshaker, - grpc_endpoint* endpoint, - grpc_channel_args* args, - grpc_slice_buffer* read_buffer, - gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor, - grpc_handshaker_done_cb cb, void* user_data); + grpc_closure* on_handshake_done, + grpc_handshaker_args* args); /// /// grpc_handshake_manager @@ -134,15 +144,21 @@ void grpc_handshake_manager_shutdown(grpc_exec_ctx* exec_ctx, grpc_handshake_manager* mgr); /// Invokes handshakers in the order they were added. -/// Does NOT take ownership of \a args. Instead, makes a copy before +/// Takes ownership of \a endpoint, and then passes that ownership to +/// the \a on_handshake_done callback. +/// Does NOT take ownership of \a channel_args. Instead, makes a copy before /// invoking the first handshaker. /// \a acceptor will be NULL for client-side handshakers. -/// Invokes \a cb with \a user_data after either a handshaker fails or -/// all handshakers have completed successfully. +/// +/// When done, invokes \a on_handshake_done with a grpc_handshaker_args +/// object as its argument. If the callback is invoked with error != +/// GRPC_ERROR_NONE, then handshaking failed and the handshaker has done +/// the necessary clean-up. Otherwise, the callback takes ownership of +/// the arguments. void grpc_handshake_manager_do_handshake( grpc_exec_ctx* exec_ctx, grpc_handshake_manager* mgr, - grpc_endpoint* endpoint, const grpc_channel_args* args, + grpc_endpoint* endpoint, const grpc_channel_args* channel_args, gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor, - grpc_handshaker_done_cb cb, void* user_data); + grpc_iomgr_cb_func on_handshake_done, void* user_data); #endif /* GRPC_CORE_LIB_CHANNEL_HANDSHAKER_H */ diff --git a/src/core/lib/channel/handshaker_factory.c b/src/core/lib/channel/handshaker_factory.c new file mode 100644 index 0000000000..3c30a4e1d2 --- /dev/null +++ b/src/core/lib/channel/handshaker_factory.c @@ -0,0 +1,54 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/channel/handshaker_factory.h" + +#include <grpc/support/log.h> + +void grpc_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + if (handshaker_factory != NULL) { + GPR_ASSERT(handshaker_factory->vtable != NULL); + handshaker_factory->vtable->add_handshakers(exec_ctx, handshaker_factory, + args, handshake_mgr); + } +} + +void grpc_handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory) { + if (handshaker_factory != NULL) { + GPR_ASSERT(handshaker_factory->vtable != NULL); + handshaker_factory->vtable->destroy(exec_ctx, handshaker_factory); + } +} diff --git a/src/core/lib/channel/handshaker_factory.h b/src/core/lib/channel/handshaker_factory.h new file mode 100644 index 0000000000..1984546104 --- /dev/null +++ b/src/core/lib/channel/handshaker_factory.h @@ -0,0 +1,66 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_LIB_CHANNEL_HANDSHAKER_FACTORY_H +#define GRPC_CORE_LIB_CHANNEL_HANDSHAKER_FACTORY_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/iomgr/exec_ctx.h" + +// A handshaker factory is used to create handshakers. + +typedef struct grpc_handshaker_factory grpc_handshaker_factory; + +typedef struct { + void (*add_handshakers)(grpc_exec_ctx *exec_ctx, + grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, + grpc_handshake_manager *handshake_mgr); + void (*destroy)(grpc_exec_ctx *exec_ctx, + grpc_handshaker_factory *handshaker_factory); +} grpc_handshaker_factory_vtable; + +struct grpc_handshaker_factory { + const grpc_handshaker_factory_vtable *vtable; +}; + +void grpc_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr); + +void grpc_handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory); + +#endif /* GRPC_CORE_LIB_CHANNEL_HANDSHAKER_FACTORY_H */ diff --git a/src/core/lib/channel/handshaker_registry.c b/src/core/lib/channel/handshaker_registry.c new file mode 100644 index 0000000000..2e5f04064c --- /dev/null +++ b/src/core/lib/channel/handshaker_registry.c @@ -0,0 +1,113 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/channel/handshaker_registry.h" + +#include <string.h> + +#include <grpc/support/alloc.h> + +// +// grpc_handshaker_factory_list +// + +typedef struct { + grpc_handshaker_factory** list; + size_t num_factories; +} grpc_handshaker_factory_list; + +static void grpc_handshaker_factory_list_register( + grpc_handshaker_factory_list* list, bool at_start, + grpc_handshaker_factory* factory) { + list->list = gpr_realloc( + list->list, (list->num_factories + 1) * sizeof(grpc_handshaker_factory*)); + if (at_start) { + memmove(list->list + 1, list->list, + sizeof(grpc_handshaker_factory*) * list->num_factories); + list->list[0] = factory; + } else { + list->list[list->num_factories] = factory; + } + ++list->num_factories; +} + +static void grpc_handshaker_factory_list_add_handshakers( + grpc_exec_ctx* exec_ctx, grpc_handshaker_factory_list* list, + const grpc_channel_args* args, grpc_handshake_manager* handshake_mgr) { + for (size_t i = 0; i < list->num_factories; ++i) { + grpc_handshaker_factory_add_handshakers(exec_ctx, list->list[i], args, + handshake_mgr); + } +} + +static void grpc_handshaker_factory_list_destroy( + grpc_exec_ctx* exec_ctx, grpc_handshaker_factory_list* list) { + for (size_t i = 0; i < list->num_factories; ++i) { + grpc_handshaker_factory_destroy(exec_ctx, list->list[i]); + } + gpr_free(list->list); +} + +// +// plugin +// + +static grpc_handshaker_factory_list + g_handshaker_factory_lists[NUM_HANDSHAKER_TYPES]; + +void grpc_handshaker_factory_registry_init() { + memset(g_handshaker_factory_lists, 0, sizeof(g_handshaker_factory_lists)); +} + +void grpc_handshaker_factory_registry_shutdown(grpc_exec_ctx* exec_ctx) { + for (size_t i = 0; i < NUM_HANDSHAKER_TYPES; ++i) { + grpc_handshaker_factory_list_destroy(exec_ctx, + &g_handshaker_factory_lists[i]); + } +} + +void grpc_handshaker_factory_register(bool at_start, + grpc_handshaker_type handshaker_type, + grpc_handshaker_factory* factory) { + grpc_handshaker_factory_list_register( + &g_handshaker_factory_lists[handshaker_type], at_start, factory); +} + +void grpc_handshakers_add(grpc_exec_ctx* exec_ctx, + grpc_handshaker_type handshaker_type, + const grpc_channel_args* args, + grpc_handshake_manager* handshake_mgr) { + grpc_handshaker_factory_list_add_handshakers( + exec_ctx, &g_handshaker_factory_lists[handshaker_type], args, + handshake_mgr); +} diff --git a/src/core/lib/channel/handshaker_registry.h b/src/core/lib/channel/handshaker_registry.h new file mode 100644 index 0000000000..53c1b173af --- /dev/null +++ b/src/core/lib/channel/handshaker_registry.h @@ -0,0 +1,63 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_LIB_CHANNEL_HANDSHAKER_REGISTRY_H +#define GRPC_CORE_LIB_CHANNEL_HANDSHAKER_REGISTRY_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/channel/handshaker_factory.h" +#include "src/core/lib/iomgr/exec_ctx.h" + +typedef enum { + HANDSHAKER_CLIENT = 0, + HANDSHAKER_SERVER, + NUM_HANDSHAKER_TYPES, // Must be last. +} grpc_handshaker_type; + +void grpc_handshaker_factory_registry_init(); +void grpc_handshaker_factory_registry_shutdown(grpc_exec_ctx* exec_ctx); + +/// Registers a new handshaker factory. Takes ownership. +/// If \a at_start is true, the new handshaker will be at the beginning of +/// the list. Otherwise, it will be added to the end. +void grpc_handshaker_factory_register(bool at_start, + grpc_handshaker_type handshaker_type, + grpc_handshaker_factory* factory); + +void grpc_handshakers_add(grpc_exec_ctx* exec_ctx, + grpc_handshaker_type handshaker_type, + const grpc_channel_args* args, + grpc_handshake_manager* handshake_mgr); + +#endif /* GRPC_CORE_LIB_CHANNEL_HANDSHAKER_REGISTRY_H */ diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c index fd8b46afcb..d154450988 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/lib/channel/http_client_filter.c @@ -37,6 +37,7 @@ #include <string.h> #include "src/core/lib/profiling/timers.h" #include "src/core/lib/slice/percent_encoding.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" #include "src/core/lib/transport/transport_impl.h" @@ -92,13 +93,9 @@ typedef struct channel_data { size_t max_payload_size_for_get; } channel_data; -typedef struct { - grpc_call_element *elem; - grpc_exec_ctx *exec_ctx; -} client_recv_filter_args; - -static grpc_mdelem *client_recv_filter(void *user_data, grpc_mdelem *md) { - client_recv_filter_args *a = user_data; +static grpc_mdelem *client_recv_filter(grpc_exec_ctx *exec_ctx, void *user_data, + grpc_mdelem *md) { + grpc_call_element *elem = user_data; if (md == GRPC_MDELEM_STATUS_200) { return NULL; } else if (md->key == GRPC_MDSTR_STATUS) { @@ -107,18 +104,19 @@ static grpc_mdelem *client_recv_filter(void *user_data, grpc_mdelem *md) { grpc_mdstr_as_c_string(md->value)); grpc_slice message = grpc_slice_from_copied_string(message_string); gpr_free(message_string); - grpc_call_element_send_close_with_message(a->exec_ctx, a->elem, + grpc_call_element_send_close_with_message(exec_ctx, elem, GRPC_STATUS_CANCELLED, &message); return NULL; } else if (md->key == GRPC_MDSTR_GRPC_MESSAGE) { grpc_slice pct_decoded_msg = grpc_permissive_percent_decode_slice(md->value->slice); if (grpc_slice_is_equivalent(pct_decoded_msg, md->value->slice)) { - grpc_slice_unref(pct_decoded_msg); + grpc_slice_unref_internal(exec_ctx, pct_decoded_msg); return md; } else { return grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_MESSAGE, grpc_mdstr_from_slice(pct_decoded_msg)); + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, + grpc_mdstr_from_slice(exec_ctx, pct_decoded_msg)); } } else if (md == GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC) { return NULL; @@ -147,11 +145,8 @@ static void hc_on_recv_initial_metadata(grpc_exec_ctx *exec_ctx, void *user_data, grpc_error *error) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; - client_recv_filter_args a; - a.elem = elem; - a.exec_ctx = exec_ctx; - grpc_metadata_batch_filter(calld->recv_initial_metadata, client_recv_filter, - &a); + grpc_metadata_batch_filter(exec_ctx, calld->recv_initial_metadata, + client_recv_filter, elem); grpc_closure_run(exec_ctx, calld->on_done_recv_initial_metadata, GRPC_ERROR_REF(error)); } @@ -160,11 +155,8 @@ static void hc_on_recv_trailing_metadata(grpc_exec_ctx *exec_ctx, void *user_data, grpc_error *error) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; - client_recv_filter_args a; - a.elem = elem; - a.exec_ctx = exec_ctx; - grpc_metadata_batch_filter(calld->recv_trailing_metadata, client_recv_filter, - &a); + grpc_metadata_batch_filter(exec_ctx, calld->recv_trailing_metadata, + client_recv_filter, elem); grpc_closure_run(exec_ctx, calld->on_done_recv_trailing_metadata, GRPC_ERROR_REF(error)); } @@ -183,11 +175,12 @@ static void hc_on_complete(grpc_exec_ctx *exec_ctx, void *user_data, static void send_done(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { grpc_call_element *elem = elemp; call_data *calld = elem->call_data; - grpc_slice_buffer_reset_and_unref(&calld->slices); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &calld->slices); calld->post_send->cb(exec_ctx, calld->post_send->cb_arg, error); } -static grpc_mdelem *client_strip_filter(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *client_strip_filter(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *md) { /* eat the things we'd like to set ourselves */ if (md->key == GRPC_MDSTR_METHOD) return NULL; if (md->key == GRPC_MDSTR_SCHEME) return NULL; @@ -275,7 +268,7 @@ static void hc_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, /* when all the send_message data is available, then create a MDELEM and append to headers */ grpc_mdelem *payload_bin = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_PAYLOAD_BIN, + exec_ctx, GRPC_MDSTR_GRPC_PAYLOAD_BIN, grpc_mdstr_from_buffer(calld->payload_bytes, op->send_message->length)); grpc_metadata_batch_add_tail(op->send_initial_metadata, @@ -292,8 +285,8 @@ static void hc_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, } } - grpc_metadata_batch_filter(op->send_initial_metadata, client_strip_filter, - elem); + grpc_metadata_batch_filter(exec_ctx, op->send_initial_metadata, + client_strip_filter, elem); /* Send : prefixed headers, which have to be before any application layer headers. */ grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->method, @@ -352,12 +345,17 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, calld->send_message_blocked = false; grpc_slice_buffer_init(&calld->slices); grpc_closure_init(&calld->hc_on_recv_initial_metadata, - hc_on_recv_initial_metadata, elem); + hc_on_recv_initial_metadata, elem, + grpc_schedule_on_exec_ctx); grpc_closure_init(&calld->hc_on_recv_trailing_metadata, - hc_on_recv_trailing_metadata, elem); - grpc_closure_init(&calld->hc_on_complete, hc_on_complete, elem); - grpc_closure_init(&calld->got_slice, got_slice, elem); - grpc_closure_init(&calld->send_done, send_done, elem); + hc_on_recv_trailing_metadata, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->hc_on_complete, hc_on_complete, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->got_slice, got_slice, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->send_done, send_done, elem, + grpc_schedule_on_exec_ctx); return GRPC_ERROR_NONE; } @@ -366,7 +364,7 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, const grpc_call_final_info *final_info, void *ignored) { call_data *calld = elem->call_data; - grpc_slice_buffer_destroy(&calld->slices); + grpc_slice_buffer_destroy_internal(exec_ctx, &calld->slices); } static grpc_mdelem *scheme_from_args(const grpc_channel_args *args) { @@ -457,9 +455,9 @@ static grpc_mdstr *user_agent_from_args(const grpc_channel_args *args, } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *chand = elem->channel_data; GPR_ASSERT(!args->is_last); GPR_ASSERT(args->optional_transport != NULL); @@ -467,16 +465,17 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, chand->max_payload_size_for_get = max_payload_size_from_args(args->channel_args); chand->user_agent = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_USER_AGENT, + exec_ctx, GRPC_MDSTR_USER_AGENT, user_agent_from_args(args->channel_args, args->optional_transport->vtable->name)); + return GRPC_ERROR_NONE; } /* Destructor for channel data */ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) { channel_data *chand = elem->channel_data; - GRPC_MDELEM_UNREF(chand->user_agent); + GRPC_MDELEM_UNREF(exec_ctx, chand->user_agent); } const grpc_channel_filter grpc_http_client_filter = { diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c index b42ff06039..f508231238 100644 --- a/src/core/lib/channel/http_server_filter.c +++ b/src/core/lib/channel/http_server_filter.c @@ -38,6 +38,7 @@ #include <string.h> #include "src/core/lib/profiling/timers.h" #include "src/core/lib/slice/percent_encoding.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/transport/static_metadata.h" #define EXPECTED_CONTENT_TYPE "application/grpc" @@ -82,31 +83,28 @@ typedef struct call_data { typedef struct channel_data { uint8_t unused; } channel_data; -typedef struct { - grpc_call_element *elem; - grpc_exec_ctx *exec_ctx; -} server_filter_args; - -static grpc_mdelem *server_filter_outgoing_metadata(void *user_data, +static grpc_mdelem *server_filter_outgoing_metadata(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *md) { if (md->key == GRPC_MDSTR_GRPC_MESSAGE) { grpc_slice pct_encoded_msg = grpc_percent_encode_slice( md->value->slice, grpc_compatible_percent_encoding_unreserved_bytes); if (grpc_slice_is_equivalent(pct_encoded_msg, md->value->slice)) { - grpc_slice_unref(pct_encoded_msg); + grpc_slice_unref_internal(exec_ctx, pct_encoded_msg); return md; } else { return grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_MESSAGE, grpc_mdstr_from_slice(pct_encoded_msg)); + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, + grpc_mdstr_from_slice(exec_ctx, pct_encoded_msg)); } } else { return md; } } -static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) { - server_filter_args *a = user_data; - grpc_call_element *elem = a->elem; +static grpc_mdelem *server_filter(grpc_exec_ctx *exec_ctx, void *user_data, + grpc_mdelem *md) { + grpc_call_element *elem = user_data; call_data *calld = elem->call_data; /* Check if it is one of the headers we care about. */ @@ -157,7 +155,7 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) { /* swallow it and error everything out. */ /* TODO(klempner): We ought to generate more descriptive error messages on the wire here. */ - grpc_call_element_send_cancel(a->exec_ctx, elem); + grpc_call_element_send_cancel(exec_ctx, elem); return NULL; } else if (md->key == GRPC_MDSTR_PATH) { if (calld->seen_path) { @@ -173,7 +171,7 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) { /* translate host to :authority since :authority may be omitted */ grpc_mdelem *authority = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_AUTHORITY, GRPC_MDSTR_REF(md->value)); + exec_ctx, GRPC_MDSTR_AUTHORITY, GRPC_MDSTR_REF(md->value)); calld->seen_authority = 1; return authority; } else if (md->key == GRPC_MDSTR_GRPC_PAYLOAD_BIN) { @@ -181,7 +179,7 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) { header field */ calld->seen_payload_bin = 1; grpc_slice_buffer_add(&calld->read_slice_buffer, - grpc_slice_ref(md->value->slice)); + grpc_slice_ref_internal(md->value->slice)); grpc_slice_buffer_stream_init(&calld->read_stream, &calld->read_slice_buffer, 0); return NULL; @@ -195,10 +193,8 @@ static void hs_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, grpc_call_element *elem = user_data; call_data *calld = elem->call_data; if (err == GRPC_ERROR_NONE) { - server_filter_args a; - a.elem = elem; - a.exec_ctx = exec_ctx; - grpc_metadata_batch_filter(calld->recv_initial_metadata, server_filter, &a); + grpc_metadata_batch_filter(exec_ctx, calld->recv_initial_metadata, + server_filter, elem); /* Have we seen the required http2 transport headers? (:method, :scheme, content-type, with :path and :authority covered at the channel level right now) */ @@ -310,9 +306,8 @@ static void hs_mutate_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, } if (op->send_trailing_metadata) { - server_filter_args a = {elem, exec_ctx}; - grpc_metadata_batch_filter(op->send_trailing_metadata, - server_filter_outgoing_metadata, &a); + grpc_metadata_batch_filter(exec_ctx, op->send_trailing_metadata, + server_filter_outgoing_metadata, elem); } } @@ -334,9 +329,12 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, call_data *calld = elem->call_data; /* initialize members */ memset(calld, 0, sizeof(*calld)); - grpc_closure_init(&calld->hs_on_recv, hs_on_recv, elem); - grpc_closure_init(&calld->hs_on_complete, hs_on_complete, elem); - grpc_closure_init(&calld->hs_recv_message_ready, hs_recv_message_ready, elem); + grpc_closure_init(&calld->hs_on_recv, hs_on_recv, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->hs_on_complete, hs_on_complete, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&calld->hs_recv_message_ready, hs_recv_message_ready, elem, + grpc_schedule_on_exec_ctx); grpc_slice_buffer_init(&calld->read_slice_buffer); return GRPC_ERROR_NONE; } @@ -346,14 +344,15 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, const grpc_call_final_info *final_info, void *ignored) { call_data *calld = elem->call_data; - grpc_slice_buffer_destroy(&calld->read_slice_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &calld->read_slice_buffer); } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { GPR_ASSERT(!args->is_last); + return GRPC_ERROR_NONE; } /* Destructor for channel data */ diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/lib/channel/message_size_filter.c index 1cf68d790d..862090b371 100644 --- a/src/core/lib/channel/message_size_filter.c +++ b/src/core/lib/channel/message_size_filter.c @@ -54,8 +54,12 @@ static void* message_size_limits_copy(void* value) { return new_value; } +static void message_size_limits_free(grpc_exec_ctx* exec_ctx, void* value) { + gpr_free(value); +} + static const grpc_mdstr_hash_table_vtable message_size_limits_vtable = { - gpr_free, message_size_limits_copy}; + message_size_limits_free, message_size_limits_copy}; static void* message_size_limits_create_from_json(const grpc_json* json) { int max_request_message_bytes = -1; @@ -124,7 +128,7 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, gpr_free(message_string); } // Invoke the next callback. - grpc_exec_ctx_sched(exec_ctx, calld->next_recv_message_ready, error, NULL); + grpc_closure_sched(exec_ctx, calld->next_recv_message_ready, error); } // Start transport stream op. @@ -160,7 +164,8 @@ static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, channel_data* chand = elem->channel_data; call_data* calld = elem->call_data; calld->next_recv_message_ready = NULL; - grpc_closure_init(&calld->recv_message_ready, recv_message_ready, elem); + grpc_closure_init(&calld->recv_message_ready, recv_message_ready, elem, + grpc_schedule_on_exec_ctx); // Get max sizes from channel data, then merge in per-method config values. // Note: Per-method config is only available on the client, so we // apply the max request size to the send limit and the max response @@ -168,8 +173,8 @@ static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, calld->max_send_size = chand->max_send_size; calld->max_recv_size = chand->max_recv_size; if (chand->method_limit_table != NULL) { - message_size_limits* limits = - grpc_method_config_table_get(chand->method_limit_table, args->path); + message_size_limits* limits = grpc_method_config_table_get( + exec_ctx, chand->method_limit_table, args->path); if (limits != NULL) { if (limits->max_send_size >= 0 && (limits->max_send_size < calld->max_send_size || @@ -192,9 +197,9 @@ static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, void* ignored) {} // Constructor for channel_data. -static void init_channel_elem(grpc_exec_ctx* exec_ctx, - grpc_channel_element* elem, - grpc_channel_element_args* args) { +static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem, + grpc_channel_element_args* args) { GPR_ASSERT(!args->is_last); channel_data* chand = elem->channel_data; memset(chand, 0, sizeof(*chand)); @@ -226,18 +231,19 @@ static void init_channel_elem(grpc_exec_ctx* exec_ctx, if (service_config != NULL) { chand->method_limit_table = grpc_service_config_create_method_config_table( - service_config, message_size_limits_create_from_json, + exec_ctx, service_config, message_size_limits_create_from_json, &message_size_limits_vtable); grpc_service_config_destroy(service_config); } } + return GRPC_ERROR_NONE; } // Destructor for channel_data. static void destroy_channel_elem(grpc_exec_ctx* exec_ctx, grpc_channel_element* elem) { channel_data* chand = elem->channel_data; - grpc_mdstr_hash_table_unref(chand->method_limit_table); + grpc_mdstr_hash_table_unref(exec_ctx, chand->method_limit_table); } const grpc_channel_filter grpc_message_size_filter = { diff --git a/src/core/lib/compression/message_compress.c b/src/core/lib/compression/message_compress.c index 6c245acf61..49beb953b0 100644 --- a/src/core/lib/compression/message_compress.c +++ b/src/core/lib/compression/message_compress.c @@ -40,10 +40,12 @@ #include <zlib.h> +#include "src/core/lib/slice/slice_internal.h" + #define OUTPUT_BLOCK_SIZE 1024 -static int zlib_body(z_stream* zs, grpc_slice_buffer* input, - grpc_slice_buffer* output, +static int zlib_body(grpc_exec_ctx* exec_ctx, z_stream* zs, + grpc_slice_buffer* input, grpc_slice_buffer* output, int (*flate)(z_stream* zs, int flush)) { int r; int flush; @@ -87,7 +89,7 @@ static int zlib_body(z_stream* zs, grpc_slice_buffer* input, return 1; error: - grpc_slice_unref(outbuf); + grpc_slice_unref_internal(exec_ctx, outbuf); return 0; } @@ -97,8 +99,8 @@ static void* zalloc_gpr(void* opaque, unsigned int items, unsigned int size) { static void zfree_gpr(void* opaque, void* address) { gpr_free(address); } -static int zlib_compress(grpc_slice_buffer* input, grpc_slice_buffer* output, - int gzip) { +static int zlib_compress(grpc_exec_ctx* exec_ctx, grpc_slice_buffer* input, + grpc_slice_buffer* output, int gzip) { z_stream zs; int r; size_t i; @@ -110,10 +112,11 @@ static int zlib_compress(grpc_slice_buffer* input, grpc_slice_buffer* output, r = deflateInit2(&zs, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 15 | (gzip ? 16 : 0), 8, Z_DEFAULT_STRATEGY); GPR_ASSERT(r == Z_OK); - r = zlib_body(&zs, input, output, deflate) && output->length < input->length; + r = zlib_body(exec_ctx, &zs, input, output, deflate) && + output->length < input->length; if (!r) { for (i = count_before; i < output->count; i++) { - grpc_slice_unref(output->slices[i]); + grpc_slice_unref_internal(exec_ctx, output->slices[i]); } output->count = count_before; output->length = length_before; @@ -122,8 +125,8 @@ static int zlib_compress(grpc_slice_buffer* input, grpc_slice_buffer* output, return r; } -static int zlib_decompress(grpc_slice_buffer* input, grpc_slice_buffer* output, - int gzip) { +static int zlib_decompress(grpc_exec_ctx* exec_ctx, grpc_slice_buffer* input, + grpc_slice_buffer* output, int gzip) { z_stream zs; int r; size_t i; @@ -134,10 +137,10 @@ static int zlib_decompress(grpc_slice_buffer* input, grpc_slice_buffer* output, zs.zfree = zfree_gpr; r = inflateInit2(&zs, 15 | (gzip ? 16 : 0)); GPR_ASSERT(r == Z_OK); - r = zlib_body(&zs, input, output, inflate); + r = zlib_body(exec_ctx, &zs, input, output, inflate); if (!r) { for (i = count_before; i < output->count; i++) { - grpc_slice_unref(output->slices[i]); + grpc_slice_unref_internal(exec_ctx, output->slices[i]); } output->count = count_before; output->length = length_before; @@ -149,12 +152,13 @@ static int zlib_decompress(grpc_slice_buffer* input, grpc_slice_buffer* output, static int copy(grpc_slice_buffer* input, grpc_slice_buffer* output) { size_t i; for (i = 0; i < input->count; i++) { - grpc_slice_buffer_add(output, grpc_slice_ref(input->slices[i])); + grpc_slice_buffer_add(output, grpc_slice_ref_internal(input->slices[i])); } return 1; } -static int compress_inner(grpc_compression_algorithm algorithm, +static int compress_inner(grpc_exec_ctx* exec_ctx, + grpc_compression_algorithm algorithm, grpc_slice_buffer* input, grpc_slice_buffer* output) { switch (algorithm) { case GRPC_COMPRESS_NONE: @@ -162,9 +166,9 @@ static int compress_inner(grpc_compression_algorithm algorithm, rely on that here */ return 0; case GRPC_COMPRESS_DEFLATE: - return zlib_compress(input, output, 0); + return zlib_compress(exec_ctx, input, output, 0); case GRPC_COMPRESS_GZIP: - return zlib_compress(input, output, 1); + return zlib_compress(exec_ctx, input, output, 1); case GRPC_COMPRESS_ALGORITHMS_COUNT: break; } @@ -172,24 +176,26 @@ static int compress_inner(grpc_compression_algorithm algorithm, return 0; } -int grpc_msg_compress(grpc_compression_algorithm algorithm, +int grpc_msg_compress(grpc_exec_ctx* exec_ctx, + grpc_compression_algorithm algorithm, grpc_slice_buffer* input, grpc_slice_buffer* output) { - if (!compress_inner(algorithm, input, output)) { + if (!compress_inner(exec_ctx, algorithm, input, output)) { copy(input, output); return 0; } return 1; } -int grpc_msg_decompress(grpc_compression_algorithm algorithm, +int grpc_msg_decompress(grpc_exec_ctx* exec_ctx, + grpc_compression_algorithm algorithm, grpc_slice_buffer* input, grpc_slice_buffer* output) { switch (algorithm) { case GRPC_COMPRESS_NONE: return copy(input, output); case GRPC_COMPRESS_DEFLATE: - return zlib_decompress(input, output, 0); + return zlib_decompress(exec_ctx, input, output, 0); case GRPC_COMPRESS_GZIP: - return zlib_decompress(input, output, 1); + return zlib_decompress(exec_ctx, input, output, 1); case GRPC_COMPRESS_ALGORITHMS_COUNT: break; } diff --git a/src/core/lib/compression/message_compress.h b/src/core/lib/compression/message_compress.h index 448d36a863..7bd3d98607 100644 --- a/src/core/lib/compression/message_compress.h +++ b/src/core/lib/compression/message_compress.h @@ -40,13 +40,15 @@ /* compress 'input' to 'output' using 'algorithm'. On success, appends compressed slices to output and returns 1. On failure, appends uncompressed slices to output and returns 0. */ -int grpc_msg_compress(grpc_compression_algorithm algorithm, +int grpc_msg_compress(grpc_exec_ctx* exec_ctx, + grpc_compression_algorithm algorithm, grpc_slice_buffer* input, grpc_slice_buffer* output); /* decompress 'input' to 'output' using 'algorithm'. On success, appends slices to output and returns 1. On failure, output is unchanged, and returns 0. */ -int grpc_msg_decompress(grpc_compression_algorithm algorithm, +int grpc_msg_decompress(grpc_exec_ctx* exec_ctx, + grpc_compression_algorithm algorithm, grpc_slice_buffer* input, grpc_slice_buffer* output); #endif /* GRPC_CORE_LIB_COMPRESSION_MESSAGE_COMPRESS_H */ diff --git a/src/core/lib/http/httpcli.c b/src/core/lib/http/httpcli.c index 1035f31109..fb2108987b 100644 --- a/src/core/lib/http/httpcli.c +++ b/src/core/lib/http/httpcli.c @@ -47,6 +47,7 @@ #include "src/core/lib/iomgr/resolve_address.h" #include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/iomgr/tcp_client.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" typedef struct { @@ -103,7 +104,7 @@ static void finish(grpc_exec_ctx *exec_ctx, internal_request *req, grpc_error *error) { grpc_polling_entity_del_from_pollset_set(exec_ctx, req->pollent, req->context->pollset_set); - grpc_exec_ctx_sched(exec_ctx, req->on_done, error, NULL); + grpc_closure_sched(exec_ctx, req->on_done, error); grpc_http_parser_destroy(&req->parser); if (req->addresses != NULL) { grpc_resolved_addresses_destroy(req->addresses); @@ -111,14 +112,14 @@ static void finish(grpc_exec_ctx *exec_ctx, internal_request *req, if (req->ep != NULL) { grpc_endpoint_destroy(exec_ctx, req->ep); } - grpc_slice_unref(req->request_text); + grpc_slice_unref_internal(exec_ctx, req->request_text); gpr_free(req->host); gpr_free(req->ssl_host_override); grpc_iomgr_unregister_object(&req->iomgr_obj); - grpc_slice_buffer_destroy(&req->incoming); - grpc_slice_buffer_destroy(&req->outgoing); + grpc_slice_buffer_destroy_internal(exec_ctx, &req->incoming); + grpc_slice_buffer_destroy_internal(exec_ctx, &req->outgoing); GRPC_ERROR_UNREF(req->overall_error); - grpc_resource_quota_internal_unref(exec_ctx, req->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, req->resource_quota); gpr_free(req); } @@ -178,7 +179,7 @@ static void done_write(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { } static void start_write(grpc_exec_ctx *exec_ctx, internal_request *req) { - grpc_slice_ref(req->request_text); + grpc_slice_ref_internal(req->request_text); grpc_slice_buffer_add(&req->outgoing, req->request_text); grpc_endpoint_write(exec_ctx, req->ep, &req->outgoing, &req->done_write); } @@ -224,7 +225,8 @@ static void next_address(grpc_exec_ctx *exec_ctx, internal_request *req, return; } addr = &req->addresses->addrs[req->next_address++]; - grpc_closure_init(&req->connected, on_connected, req); + grpc_closure_init(&req->connected, on_connected, req, + grpc_schedule_on_exec_ctx); grpc_arg arg; arg.key = GRPC_ARG_RESOURCE_QUOTA; arg.type = GRPC_ARG_POINTER; @@ -265,9 +267,10 @@ static void internal_request_begin(grpc_exec_ctx *exec_ctx, req->context = context; req->pollent = pollent; req->overall_error = GRPC_ERROR_NONE; - req->resource_quota = grpc_resource_quota_internal_ref(resource_quota); - grpc_closure_init(&req->on_read, on_read, req); - grpc_closure_init(&req->done_write, done_write, req); + req->resource_quota = grpc_resource_quota_ref_internal(resource_quota); + grpc_closure_init(&req->on_read, on_read, req, grpc_schedule_on_exec_ctx); + grpc_closure_init(&req->done_write, done_write, req, + grpc_schedule_on_exec_ctx); grpc_slice_buffer_init(&req->incoming); grpc_slice_buffer_init(&req->outgoing); grpc_iomgr_register_object(&req->iomgr_obj, name); @@ -277,9 +280,11 @@ static void internal_request_begin(grpc_exec_ctx *exec_ctx, GPR_ASSERT(pollent); grpc_polling_entity_add_to_pollset_set(exec_ctx, req->pollent, req->context->pollset_set); - grpc_resolve_address(exec_ctx, request->host, req->handshaker->default_port, - req->context->pollset_set, - grpc_closure_create(on_resolved, req), &req->addresses); + grpc_resolve_address( + exec_ctx, request->host, req->handshaker->default_port, + req->context->pollset_set, + grpc_closure_create(on_resolved, req, grpc_schedule_on_exec_ctx), + &req->addresses); } void grpc_httpcli_get(grpc_exec_ctx *exec_ctx, grpc_httpcli_context *context, diff --git a/src/core/lib/http/httpcli_security_connector.c b/src/core/lib/http/httpcli_security_connector.c index 24d264c32a..440817c5a6 100644 --- a/src/core/lib/http/httpcli_security_connector.c +++ b/src/core/lib/http/httpcli_security_connector.c @@ -38,7 +38,10 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> -#include "src/core/lib/security/transport/handshake.h" + +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/security/transport/security_handshaker.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" #include "src/core/lib/tsi/ssl_transport_security.h" @@ -48,7 +51,8 @@ typedef struct { char *secure_peer_name; } grpc_httpcli_ssl_channel_security_connector; -static void httpcli_ssl_destroy(grpc_security_connector *sc) { +static void httpcli_ssl_destroy(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { grpc_httpcli_ssl_channel_security_connector *c = (grpc_httpcli_ssl_channel_security_connector *)sc; if (c->handshaker_factory != NULL) { @@ -58,52 +62,43 @@ static void httpcli_ssl_destroy(grpc_security_connector *sc) { gpr_free(sc); } -static void httpcli_ssl_do_handshake(grpc_exec_ctx *exec_ctx, - grpc_channel_security_connector *sc, - grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, - gpr_timespec deadline, - grpc_security_handshake_done_cb cb, - void *user_data) { +static void httpcli_ssl_add_handshakers(grpc_exec_ctx *exec_ctx, + grpc_channel_security_connector *sc, + grpc_handshake_manager *handshake_mgr) { grpc_httpcli_ssl_channel_security_connector *c = (grpc_httpcli_ssl_channel_security_connector *)sc; - tsi_result result = TSI_OK; - tsi_handshaker *handshaker; - if (c->handshaker_factory == NULL) { - gpr_free(read_buffer); - cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL); - return; - } - result = tsi_ssl_handshaker_factory_create_handshaker( - c->handshaker_factory, c->secure_peer_name, &handshaker); - if (result != TSI_OK) { - gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.", - tsi_result_to_string(result)); - gpr_free(read_buffer); - cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL); - } else { - grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, true, - nonsecure_endpoint, read_buffer, deadline, cb, - user_data); + tsi_handshaker *handshaker = NULL; + if (c->handshaker_factory != NULL) { + tsi_result result = tsi_ssl_handshaker_factory_create_handshaker( + c->handshaker_factory, c->secure_peer_name, &handshaker); + if (result != TSI_OK) { + gpr_log(GPR_ERROR, "Handshaker creation failed with error %s.", + tsi_result_to_string(result)); + } } + grpc_handshake_manager_add( + handshake_mgr, + grpc_security_handshaker_create(exec_ctx, handshaker, &sc->base)); } static void httpcli_ssl_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, - void *user_data) { + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked) { grpc_httpcli_ssl_channel_security_connector *c = (grpc_httpcli_ssl_channel_security_connector *)sc; - grpc_security_status status = GRPC_SECURITY_OK; + grpc_error *error = GRPC_ERROR_NONE; /* Check the peer name. */ if (c->secure_peer_name != NULL && !tsi_ssl_peer_matches_name(&peer, c->secure_peer_name)) { - gpr_log(GPR_ERROR, "Peer name %s is not in peer certificate", - c->secure_peer_name); - status = GRPC_SECURITY_ERROR; + char *msg; + gpr_asprintf(&msg, "Peer name %s is not in peer certificate", + c->secure_peer_name); + error = GRPC_ERROR_CREATE(msg); + gpr_free(msg); } - cb(exec_ctx, user_data, status, NULL); + grpc_closure_sched(exec_ctx, on_peer_checked, error); tsi_peer_destruct(&peer); } @@ -111,8 +106,9 @@ static grpc_security_connector_vtable httpcli_ssl_vtable = { httpcli_ssl_destroy, httpcli_ssl_check_peer}; static grpc_security_status httpcli_ssl_channel_security_connector_create( - const unsigned char *pem_root_certs, size_t pem_root_certs_size, - const char *secure_peer_name, grpc_channel_security_connector **sc) { + grpc_exec_ctx *exec_ctx, const unsigned char *pem_root_certs, + size_t pem_root_certs_size, const char *secure_peer_name, + grpc_channel_security_connector **sc) { tsi_result result = TSI_OK; grpc_httpcli_ssl_channel_security_connector *c; @@ -136,11 +132,11 @@ static grpc_security_status httpcli_ssl_channel_security_connector_create( if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", tsi_result_to_string(result)); - httpcli_ssl_destroy(&c->base.base); + httpcli_ssl_destroy(exec_ctx, &c->base.base); *sc = NULL; return GRPC_SECURITY_ERROR; } - c->base.do_handshake = httpcli_ssl_do_handshake; + c->base.add_handshakers = httpcli_ssl_add_handshakers; *sc = &c->base; return GRPC_SECURITY_OK; } @@ -150,19 +146,25 @@ static grpc_security_status httpcli_ssl_channel_security_connector_create( typedef struct { void (*func)(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *endpoint); void *arg; + grpc_handshake_manager *handshake_mgr; } on_done_closure; -static void on_secure_transport_setup_done(grpc_exec_ctx *exec_ctx, void *rp, - grpc_security_status status, - grpc_endpoint *secure_endpoint, - grpc_auth_context *auth_context) { - on_done_closure *c = rp; - if (status != GRPC_SECURITY_OK) { - gpr_log(GPR_ERROR, "Secure transport setup failed with error %d.", status); +static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_handshaker_args *args = arg; + on_done_closure *c = args->user_data; + if (error != GRPC_ERROR_NONE) { + const char *msg = grpc_error_string(error); + gpr_log(GPR_ERROR, "Secure transport setup failed: %s", msg); + grpc_error_free_string(msg); c->func(exec_ctx, c->arg, NULL); } else { - c->func(exec_ctx, c->arg, secure_endpoint); + grpc_channel_args_destroy(exec_ctx, args->args); + grpc_slice_buffer_destroy_internal(exec_ctx, args->read_buffer); + gpr_free(args->read_buffer); + c->func(exec_ctx, c->arg, args->endpoint); } + grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); gpr_free(c); } @@ -183,12 +185,16 @@ static void ssl_handshake(grpc_exec_ctx *exec_ctx, void *arg, } c->func = on_done; c->arg = arg; + c->handshake_mgr = grpc_handshake_manager_create(); GPR_ASSERT(httpcli_ssl_channel_security_connector_create( - pem_root_certs, pem_root_certs_size, host, &sc) == + exec_ctx, pem_root_certs, pem_root_certs_size, host, &sc) == GRPC_SECURITY_OK); - grpc_channel_security_connector_do_handshake( - exec_ctx, sc, tcp, NULL, deadline, on_secure_transport_setup_done, c); - GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "httpcli"); + grpc_channel_security_connector_add_handshakers(exec_ctx, sc, + c->handshake_mgr); + grpc_handshake_manager_do_handshake( + exec_ctx, c->handshake_mgr, tcp, NULL /* channel_args */, deadline, + NULL /* acceptor */, on_handshake_done, c /* user_data */); + GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, &sc->base, "httpcli"); } const grpc_httpcli_handshaker grpc_httpcli_ssl = {"https", ssl_handshake}; diff --git a/src/core/lib/iomgr/README.md b/src/core/lib/iomgr/README.md new file mode 100644 index 0000000000..9b22b76ceb --- /dev/null +++ b/src/core/lib/iomgr/README.md @@ -0,0 +1,6 @@ +# iomgr + +Platform abstractions for I/O (mostly network). + +Provides abstractions over TCP/UDP I/O, file loading, polling, and concurrency +management for various operating systems. diff --git a/src/core/lib/iomgr/closure.c b/src/core/lib/iomgr/closure.c index c6ddc76732..da0ec878a3 100644 --- a/src/core/lib/iomgr/closure.c +++ b/src/core/lib/iomgr/closure.c @@ -37,10 +37,13 @@ #include "src/core/lib/profiling/timers.h" -void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, - void *cb_arg) { +grpc_closure *grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, + void *cb_arg, + grpc_closure_scheduler *scheduler) { closure->cb = cb; closure->cb_arg = cb_arg; + closure->scheduler = scheduler; + return closure; } void grpc_closure_list_init(grpc_closure_list *closure_list) { @@ -105,11 +108,12 @@ static void closure_wrapper(grpc_exec_ctx *exec_ctx, void *arg, cb(exec_ctx, cb_arg, error); } -grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg) { +grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg, + grpc_closure_scheduler *scheduler) { wrapped_closure *wc = gpr_malloc(sizeof(*wc)); wc->cb = cb; wc->cb_arg = cb_arg; - grpc_closure_init(&wc->wrapper, closure_wrapper, wc); + grpc_closure_init(&wc->wrapper, closure_wrapper, wc, scheduler); return &wc->wrapper; } @@ -117,8 +121,30 @@ void grpc_closure_run(grpc_exec_ctx *exec_ctx, grpc_closure *c, grpc_error *error) { GPR_TIMER_BEGIN("grpc_closure_run", 0); if (c != NULL) { - c->cb(exec_ctx, c->cb_arg, error); + c->scheduler->vtable->run(exec_ctx, c, error); + } else { + GRPC_ERROR_UNREF(error); } - GRPC_ERROR_UNREF(error); GPR_TIMER_END("grpc_closure_run", 0); } + +void grpc_closure_sched(grpc_exec_ctx *exec_ctx, grpc_closure *c, + grpc_error *error) { + GPR_TIMER_BEGIN("grpc_closure_sched", 0); + if (c != NULL) { + c->scheduler->vtable->sched(exec_ctx, c, error); + } else { + GRPC_ERROR_UNREF(error); + } + GPR_TIMER_END("grpc_closure_sched", 0); +} + +void grpc_closure_list_sched(grpc_exec_ctx *exec_ctx, grpc_closure_list *list) { + grpc_closure *c = list->head; + while (c != NULL) { + grpc_closure *next = c->next_data.next; + c->scheduler->vtable->sched(exec_ctx, c, c->error_data.error); + c = next; + } + list->head = list->tail = NULL; +} diff --git a/src/core/lib/iomgr/closure.h b/src/core/lib/iomgr/closure.h index 2b4b271eaa..ee386fbc76 100644 --- a/src/core/lib/iomgr/closure.h +++ b/src/core/lib/iomgr/closure.h @@ -35,6 +35,8 @@ #define GRPC_CORE_LIB_IOMGR_CLOSURE_H #include <grpc/support/port_platform.h> + +#include <grpc/impl/codegen/exec_ctx_fwd.h> #include <stdbool.h> #include "src/core/lib/iomgr/error.h" #include "src/core/lib/support/mpscq.h" @@ -42,10 +44,6 @@ struct grpc_closure; typedef struct grpc_closure grpc_closure; -/* forward declaration for exec_ctx.h */ -struct grpc_exec_ctx; -typedef struct grpc_exec_ctx grpc_exec_ctx; - typedef struct grpc_closure_list { grpc_closure *head; grpc_closure *tail; @@ -59,6 +57,22 @@ typedef struct grpc_closure_list { typedef void (*grpc_iomgr_cb_func)(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); +typedef struct grpc_closure_scheduler grpc_closure_scheduler; + +typedef struct grpc_closure_scheduler_vtable { + /* NOTE: for all these functions, closure->scheduler == the scheduler that was + used to find this vtable */ + void (*run)(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error); + void (*sched)(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error); +} grpc_closure_scheduler_vtable; + +/** Abstract type that can schedule closures for execution */ +struct grpc_closure_scheduler { + const grpc_closure_scheduler_vtable *vtable; +}; + /** A closure over a grpc_iomgr_cb_func. */ struct grpc_closure { /** Once queued, next indicates the next queued closure; before then, scratch @@ -75,6 +89,10 @@ struct grpc_closure { /** Arguments to be passed to "cb". */ void *cb_arg; + /** Scheduler to schedule against: NULL to schedule against current execution + context */ + grpc_closure_scheduler *scheduler; + /** Once queued, the result of the closure. Before then: scratch space */ union { grpc_error *error; @@ -82,12 +100,14 @@ struct grpc_closure { } error_data; }; -/** Initializes \a closure with \a cb and \a cb_arg. */ -void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, - void *cb_arg); +/** Initializes \a closure with \a cb and \a cb_arg. Returns \a closure. */ +grpc_closure *grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, + void *cb_arg, + grpc_closure_scheduler *scheduler); /* Create a heap allocated closure: try to avoid except for very rare events */ -grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg); +grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg, + grpc_closure_scheduler *scheduler); #define GRPC_CLOSURE_LIST_INIT \ { NULL, NULL } @@ -115,4 +135,13 @@ bool grpc_closure_list_empty(grpc_closure_list list); void grpc_closure_run(grpc_exec_ctx *exec_ctx, grpc_closure *closure, grpc_error *error); +/** Schedule a closure to be run. Does not need to be run from a safe point. */ +void grpc_closure_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error); + +/** Schedule all closures in a list to be run. Does not need to be run from a + * safe point. */ +void grpc_closure_list_sched(grpc_exec_ctx *exec_ctx, + grpc_closure_list *closure_list); + #endif /* GRPC_CORE_LIB_IOMGR_CLOSURE_H */ diff --git a/src/core/lib/iomgr/combiner.c b/src/core/lib/iomgr/combiner.c index 60ee14eb23..c26a73b2b7 100644 --- a/src/core/lib/iomgr/combiner.c +++ b/src/core/lib/iomgr/combiner.c @@ -56,6 +56,10 @@ int grpc_combiner_trace = 0; struct grpc_combiner { grpc_combiner *next_combiner_on_this_exec_ctx; grpc_workqueue *optional_workqueue; + grpc_closure_scheduler uncovered_scheduler; + grpc_closure_scheduler covered_scheduler; + grpc_closure_scheduler uncovered_finally_scheduler; + grpc_closure_scheduler covered_finally_scheduler; gpr_mpscq queue; // state is: // lower bit - zero if orphaned (STATE_UNORPHANED) @@ -70,6 +74,26 @@ struct grpc_combiner { grpc_closure offload; }; +static void combiner_exec_uncovered(grpc_exec_ctx *exec_ctx, + grpc_closure *closure, grpc_error *error); +static void combiner_exec_covered(grpc_exec_ctx *exec_ctx, + grpc_closure *closure, grpc_error *error); +static void combiner_finally_exec_uncovered(grpc_exec_ctx *exec_ctx, + grpc_closure *closure, + grpc_error *error); +static void combiner_finally_exec_covered(grpc_exec_ctx *exec_ctx, + grpc_closure *closure, + grpc_error *error); + +static const grpc_closure_scheduler_vtable scheduler_uncovered = { + combiner_exec_uncovered, combiner_exec_uncovered}; +static const grpc_closure_scheduler_vtable scheduler_covered = { + combiner_exec_covered, combiner_exec_covered}; +static const grpc_closure_scheduler_vtable finally_scheduler_uncovered = { + combiner_finally_exec_uncovered, combiner_finally_exec_uncovered}; +static const grpc_closure_scheduler_vtable finally_scheduler_covered = { + combiner_finally_exec_covered, combiner_finally_exec_covered}; + static void offload(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); typedef struct { @@ -90,17 +114,28 @@ static bool is_covered_by_poller(grpc_combiner *lock) { gpr_atm_acq_load(&lock->elements_covered_by_poller) > 0; } +#define IS_COVERED_BY_POLLER_FMT "(final=%d elems=%" PRIdPTR ")->%d" +#define IS_COVERED_BY_POLLER_ARGS(lock) \ + (lock)->final_list_covered_by_poller, \ + gpr_atm_acq_load(&(lock)->elements_covered_by_poller), \ + is_covered_by_poller((lock)) + grpc_combiner *grpc_combiner_create(grpc_workqueue *optional_workqueue) { grpc_combiner *lock = gpr_malloc(sizeof(*lock)); lock->next_combiner_on_this_exec_ctx = NULL; lock->time_to_execute_final_list = false; lock->optional_workqueue = optional_workqueue; lock->final_list_covered_by_poller = false; + lock->uncovered_scheduler.vtable = &scheduler_uncovered; + lock->covered_scheduler.vtable = &scheduler_covered; + lock->uncovered_finally_scheduler.vtable = &finally_scheduler_uncovered; + lock->covered_finally_scheduler.vtable = &finally_scheduler_covered; gpr_atm_no_barrier_store(&lock->state, STATE_UNORPHANED); gpr_atm_no_barrier_store(&lock->elements_covered_by_poller, 0); gpr_mpscq_init(&lock->queue); grpc_closure_list_init(&lock->final_list); - grpc_closure_init(&lock->offload, offload, lock); + grpc_closure_init(&lock->offload, offload, lock, + grpc_workqueue_scheduler(lock->optional_workqueue)); GRPC_COMBINER_TRACE(gpr_log(GPR_DEBUG, "C:%p create", lock)); return lock; } @@ -142,9 +177,9 @@ static void push_first_on_exec_ctx(grpc_exec_ctx *exec_ctx, } } -void grpc_combiner_execute(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, - grpc_closure *cl, grpc_error *error, - bool covered_by_poller) { +static void combiner_exec(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, + grpc_closure *cl, grpc_error *error, + bool covered_by_poller) { GPR_TIMER_BEGIN("combiner.execute", 0); gpr_atm last = gpr_atm_full_fetch_add(&lock->state, STATE_ELEM_COUNT_LOW_BIT); GRPC_COMBINER_TRACE(gpr_log( @@ -165,6 +200,24 @@ void grpc_combiner_execute(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, GPR_TIMER_END("combiner.execute", 0); } +#define COMBINER_FROM_CLOSURE_SCHEDULER(closure, scheduler_name) \ + ((grpc_combiner *)(((char *)((closure)->scheduler)) - \ + offsetof(grpc_combiner, scheduler_name))) + +static void combiner_exec_uncovered(grpc_exec_ctx *exec_ctx, grpc_closure *cl, + grpc_error *error) { + combiner_exec(exec_ctx, + COMBINER_FROM_CLOSURE_SCHEDULER(cl, uncovered_scheduler), cl, + error, false); +} + +static void combiner_exec_covered(grpc_exec_ctx *exec_ctx, grpc_closure *cl, + grpc_error *error) { + combiner_exec(exec_ctx, + COMBINER_FROM_CLOSURE_SCHEDULER(cl, covered_scheduler), cl, + error, true); +} + static void move_next(grpc_exec_ctx *exec_ctx) { exec_ctx->active_combiner = exec_ctx->active_combiner->next_combiner_on_this_exec_ctx; @@ -182,8 +235,7 @@ static void queue_offload(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { move_next(exec_ctx); GRPC_COMBINER_TRACE(gpr_log(GPR_DEBUG, "C:%p queue_offload --> %p", lock, lock->optional_workqueue)); - grpc_workqueue_enqueue(exec_ctx, lock->optional_workqueue, &lock->offload, - GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, &lock->offload, GRPC_ERROR_NONE); } bool grpc_combiner_continue_exec_ctx(grpc_exec_ctx *exec_ctx) { @@ -197,9 +249,10 @@ bool grpc_combiner_continue_exec_ctx(grpc_exec_ctx *exec_ctx) { GRPC_COMBINER_TRACE( gpr_log(GPR_DEBUG, "C:%p grpc_combiner_continue_exec_ctx workqueue=%p " - "is_covered_by_poller=%d exec_ctx_ready_to_finish=%d " + "is_covered_by_poller=" IS_COVERED_BY_POLLER_FMT + " exec_ctx_ready_to_finish=%d " "time_to_execute_final_list=%d", - lock, lock->optional_workqueue, is_covered_by_poller(lock), + lock, lock->optional_workqueue, IS_COVERED_BY_POLLER_ARGS(lock), grpc_exec_ctx_ready_to_finish(exec_ctx), lock->time_to_execute_final_list)); @@ -305,23 +358,22 @@ bool grpc_combiner_continue_exec_ctx(grpc_exec_ctx *exec_ctx) { } static void enqueue_finally(grpc_exec_ctx *exec_ctx, void *closure, - grpc_error *error) { - grpc_combiner_execute_finally(exec_ctx, exec_ctx->active_combiner, closure, - GRPC_ERROR_REF(error), false); -} + grpc_error *error); -void grpc_combiner_execute_finally(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, - grpc_closure *closure, grpc_error *error, - bool covered_by_poller) { +static void combiner_execute_finally(grpc_exec_ctx *exec_ctx, + grpc_combiner *lock, grpc_closure *closure, + grpc_error *error, + bool covered_by_poller) { GRPC_COMBINER_TRACE(gpr_log( GPR_DEBUG, "C:%p grpc_combiner_execute_finally c=%p; ac=%p; cov=%d", lock, closure, exec_ctx->active_combiner, covered_by_poller)); GPR_TIMER_BEGIN("combiner.execute_finally", 0); if (exec_ctx->active_combiner != lock) { GPR_TIMER_MARK("slowpath", 0); - grpc_combiner_execute(exec_ctx, lock, - grpc_closure_create(enqueue_finally, closure), error, - false); + grpc_closure_sched( + exec_ctx, grpc_closure_create(enqueue_finally, closure, + grpc_combiner_scheduler(lock, false)), + error); GPR_TIMER_END("combiner.execute_finally", 0); return; } @@ -335,3 +387,36 @@ void grpc_combiner_execute_finally(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, grpc_closure_list_append(&lock->final_list, closure, error); GPR_TIMER_END("combiner.execute_finally", 0); } + +static void enqueue_finally(grpc_exec_ctx *exec_ctx, void *closure, + grpc_error *error) { + combiner_execute_finally(exec_ctx, exec_ctx->active_combiner, closure, + GRPC_ERROR_REF(error), false); +} + +static void combiner_finally_exec_uncovered(grpc_exec_ctx *exec_ctx, + grpc_closure *cl, + grpc_error *error) { + combiner_execute_finally(exec_ctx, COMBINER_FROM_CLOSURE_SCHEDULER( + cl, uncovered_finally_scheduler), + cl, error, false); +} + +static void combiner_finally_exec_covered(grpc_exec_ctx *exec_ctx, + grpc_closure *cl, grpc_error *error) { + combiner_execute_finally( + exec_ctx, COMBINER_FROM_CLOSURE_SCHEDULER(cl, covered_finally_scheduler), + cl, error, true); +} + +grpc_closure_scheduler *grpc_combiner_scheduler(grpc_combiner *combiner, + bool covered_by_poller) { + return covered_by_poller ? &combiner->covered_scheduler + : &combiner->uncovered_scheduler; +} + +grpc_closure_scheduler *grpc_combiner_finally_scheduler( + grpc_combiner *combiner, bool covered_by_poller) { + return covered_by_poller ? &combiner->covered_finally_scheduler + : &combiner->uncovered_finally_scheduler; +} diff --git a/src/core/lib/iomgr/combiner.h b/src/core/lib/iomgr/combiner.h index d04eeed83a..81dff85d40 100644 --- a/src/core/lib/iomgr/combiner.h +++ b/src/core/lib/iomgr/combiner.h @@ -50,14 +50,12 @@ grpc_combiner *grpc_combiner_create(grpc_workqueue *optional_workqueue); // Destroy the lock void grpc_combiner_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock); -// Execute \a action within the lock. -void grpc_combiner_execute(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, - grpc_closure *closure, grpc_error *error, - bool covered_by_poller); -// Execute \a action within the lock just prior to unlocking. -void grpc_combiner_execute_finally(grpc_exec_ctx *exec_ctx, grpc_combiner *lock, - grpc_closure *closure, grpc_error *error, - bool covered_by_poller); +// Fetch a scheduler to schedule closures against +grpc_closure_scheduler *grpc_combiner_scheduler(grpc_combiner *lock, + bool covered_by_poller); +// Scheduler to execute \a action within the lock just prior to unlocking. +grpc_closure_scheduler *grpc_combiner_finally_scheduler(grpc_combiner *lock, + bool covered_by_poller); bool grpc_combiner_continue_exec_ctx(grpc_exec_ctx *exec_ctx); diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c index 07fbfd849e..d6664aead2 100644 --- a/src/core/lib/iomgr/ev_epoll_linux.c +++ b/src/core/lib/iomgr/ev_epoll_linux.c @@ -31,7 +31,6 @@ * */ -#include <grpc/grpc_posix.h> #include "src/core/lib/iomgr/port.h" /* This polling engine is only relevant on linux kernels supporting epoll() */ @@ -69,6 +68,9 @@ static int grpc_polling_trace = 0; /* Disabled by default */ gpr_log(GPR_INFO, (fmt), __VA_ARGS__); \ } +/* Uncomment the following enable extra checks on poll_object operations */ +/* #define PO_DEBUG */ + static int grpc_wakeup_signal = -1; static bool is_grpc_wakeup_signal_initialized = false; @@ -95,10 +97,42 @@ void grpc_use_signal(int signum) { struct polling_island; +typedef enum { + POLL_OBJ_FD, + POLL_OBJ_POLLSET, + POLL_OBJ_POLLSET_SET +} poll_obj_type; + +typedef struct poll_obj { +#ifdef PO_DEBUG + poll_obj_type obj_type; +#endif + gpr_mu mu; + struct polling_island *pi; +} poll_obj; + +const char *poll_obj_string(poll_obj_type po_type) { + switch (po_type) { + case POLL_OBJ_FD: + return "fd"; + case POLL_OBJ_POLLSET: + return "pollset"; + case POLL_OBJ_POLLSET_SET: + return "pollset_set"; + } + + GPR_UNREACHABLE_CODE(return "UNKNOWN"); +} + /******************************************************************************* * Fd Declarations */ + +#define FD_FROM_PO(po) ((grpc_fd *)(po)) + struct grpc_fd { + poll_obj po; + int fd; /* refst format: bit 0 : 1=Active / 0=Orphaned @@ -106,8 +140,6 @@ struct grpc_fd { Ref/Unref by two to avoid altering the orphaned bit */ gpr_atm refst; - gpr_mu mu; - /* Indicates that the fd is shutdown and that any pending read/write closures should fail */ bool shutdown; @@ -120,9 +152,6 @@ struct grpc_fd { grpc_closure *read_closure; grpc_closure *write_closure; - /* The polling island to which this fd belongs to (protected by mu) */ - struct polling_island *polling_island; - struct grpc_fd *freelist_next; grpc_closure *on_done_closure; @@ -172,6 +201,8 @@ static void fd_global_shutdown(void); /* This is also used as grpc_workqueue (by directly casing it) */ typedef struct polling_island { + grpc_closure_scheduler workqueue_scheduler; + gpr_mu mu; /* Ref count. Use PI_ADD_REF() and PI_UNREF() macros to increment/decrement the refcount. @@ -225,41 +256,21 @@ struct grpc_pollset_worker { }; struct grpc_pollset { - gpr_mu mu; + poll_obj po; + grpc_pollset_worker root_worker; bool kicked_without_pollers; bool shutting_down; /* Is the pollset shutting down ? */ bool finish_shutdown_called; /* Is the 'finish_shutdown_locked()' called ? */ grpc_closure *shutdown_done; /* Called after after shutdown is complete */ - - /* The polling island to which this pollset belongs to */ - struct polling_island *polling_island; }; /******************************************************************************* * Pollset-set Declarations */ -/* TODO: sreek - Change the pollset_set implementation such that a pollset_set - * directly points to a polling_island (and adding an fd/pollset/pollset_set to - * the current pollset_set would result in polling island merges. This would - * remove the need to maintain fd_count here. This will also significantly - * simplify the grpc_fd structure since we would no longer need to explicitly - * maintain the orphaned state */ struct grpc_pollset_set { - gpr_mu mu; - - size_t pollset_count; - size_t pollset_capacity; - grpc_pollset **pollsets; - - size_t pollset_set_count; - size_t pollset_set_capacity; - struct grpc_pollset_set **pollset_sets; - - size_t fd_count; - size_t fd_capacity; - grpc_fd **fds; + poll_obj po; }; /******************************************************************************* @@ -295,6 +306,8 @@ static __thread polling_island *g_current_thread_polling_island; /* Forward declaration */ static void polling_island_delete(grpc_exec_ctx *exec_ctx, polling_island *pi); +static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error); #ifdef GRPC_TSAN /* Currently TSAN may incorrectly flag data races between epoll_ctl and @@ -307,6 +320,9 @@ static void polling_island_delete(grpc_exec_ctx *exec_ctx, polling_island *pi); gpr_atm g_epoll_sync; #endif /* defined(GRPC_TSAN) */ +static const grpc_closure_scheduler_vtable workqueue_scheduler_vtable = { + workqueue_enqueue, workqueue_enqueue}; + static void pi_add_ref(polling_island *pi); static void pi_unref(grpc_exec_ctx *exec_ctx, polling_island *pi); @@ -519,6 +535,7 @@ static polling_island *polling_island_create(grpc_exec_ctx *exec_ctx, *error = GRPC_ERROR_NONE; pi = gpr_malloc(sizeof(*pi)); + pi->workqueue_scheduler.vtable = &workqueue_scheduler_vtable; gpr_mu_init(&pi->mu); pi->fd_cnt = 0; pi->fd_capacity = 0; @@ -790,10 +807,10 @@ static polling_island *polling_island_merge(polling_island *p, return q; } -static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, - grpc_workqueue *workqueue, grpc_closure *closure, +static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure, grpc_error *error) { GPR_TIMER_BEGIN("workqueue.enqueue", 0); + grpc_workqueue *workqueue = (grpc_workqueue *)closure->scheduler; /* take a ref to the workqueue: otherwise it can happen that whatever events * this kicks off ends up destroying the workqueue before this function * completes */ @@ -810,6 +827,12 @@ static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, GPR_TIMER_END("workqueue.enqueue", 0); } +static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) { + polling_island *pi = (polling_island *)workqueue; + return workqueue == NULL ? grpc_schedule_on_exec_ctx + : &pi->workqueue_scheduler; +} + static grpc_error *polling_island_global_init() { grpc_error *error = GRPC_ERROR_NONE; @@ -915,7 +938,7 @@ static void fd_global_shutdown(void) { while (fd_freelist != NULL) { grpc_fd *fd = fd_freelist; fd_freelist = fd_freelist->freelist_next; - gpr_mu_destroy(&fd->mu); + gpr_mu_destroy(&fd->po.mu); gpr_free(fd); } gpr_mu_destroy(&fd_freelist_mu); @@ -933,13 +956,17 @@ static grpc_fd *fd_create(int fd, const char *name) { if (new_fd == NULL) { new_fd = gpr_malloc(sizeof(grpc_fd)); - gpr_mu_init(&new_fd->mu); + gpr_mu_init(&new_fd->po.mu); } - /* Note: It is not really needed to get the new_fd->mu lock here. If this is a - newly created fd (or an fd we got from the freelist), no one else would be - holding a lock to it anyway. */ - gpr_mu_lock(&new_fd->mu); + /* Note: It is not really needed to get the new_fd->po.mu lock here. If this + * is a newly created fd (or an fd we got from the freelist), no one else + * would be holding a lock to it anyway. */ + gpr_mu_lock(&new_fd->po.mu); + new_fd->po.pi = NULL; +#ifdef PO_DEBUG + new_fd->po.obj_type = POLL_OBJ_FD; +#endif gpr_atm_rel_store(&new_fd->refst, (gpr_atm)1); new_fd->fd = fd; @@ -947,12 +974,11 @@ static grpc_fd *fd_create(int fd, const char *name) { new_fd->orphaned = false; new_fd->read_closure = CLOSURE_NOT_READY; new_fd->write_closure = CLOSURE_NOT_READY; - new_fd->polling_island = NULL; new_fd->freelist_next = NULL; new_fd->on_done_closure = NULL; new_fd->read_notifier_pollset = NULL; - gpr_mu_unlock(&new_fd->mu); + gpr_mu_unlock(&new_fd->po.mu); char *fd_name; gpr_asprintf(&fd_name, "%s fd=%d", name, fd); @@ -964,17 +990,13 @@ static grpc_fd *fd_create(int fd, const char *name) { return new_fd; } -static bool fd_is_orphaned(grpc_fd *fd) { - return (gpr_atm_acq_load(&fd->refst) & 1) == 0; -} - static int fd_wrapped_fd(grpc_fd *fd) { int ret_fd = -1; - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); if (!fd->orphaned) { ret_fd = fd->fd; } - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); return ret_fd; } @@ -986,7 +1008,7 @@ static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_error *error = GRPC_ERROR_NONE; polling_island *unref_pi = NULL; - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); fd->on_done_closure = on_done; /* If release_fd is not NULL, we should be relinquishing control of the file @@ -1006,25 +1028,24 @@ static void fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, /* Remove the fd from the polling island: - Get a lock on the latest polling island (i.e the last island in the - linked list pointed by fd->polling_island). This is the island that + linked list pointed by fd->po.pi). This is the island that would actually contain the fd - Remove the fd from the latest polling island - Unlock the latest polling island - - Set fd->polling_island to NULL (but remove the ref on the polling island + - Set fd->po.pi to NULL (but remove the ref on the polling island before doing this.) */ - if (fd->polling_island != NULL) { - polling_island *pi_latest = polling_island_lock(fd->polling_island); + if (fd->po.pi != NULL) { + polling_island *pi_latest = polling_island_lock(fd->po.pi); polling_island_remove_fd_locked(pi_latest, fd, is_fd_closed, &error); gpr_mu_unlock(&pi_latest->mu); - unref_pi = fd->polling_island; - fd->polling_island = NULL; + unref_pi = fd->po.pi; + fd->po.pi = NULL; } - grpc_exec_ctx_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error), - NULL); + grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_REF(error)); - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); UNREF_BY(fd, 2, reason); /* Drop the reference */ if (unref_pi != NULL) { /* Unref stale polling island here, outside the fd lock above. @@ -1048,16 +1069,14 @@ static grpc_error *fd_shutdown_error(bool shutdown) { static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st, grpc_closure *closure) { if (fd->shutdown) { - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_CREATE("FD shutdown"), - NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_CREATE("FD shutdown")); } else if (*st == CLOSURE_NOT_READY) { /* not ready ==> switch to a waiting state by setting the closure */ *st = closure; } else if (*st == CLOSURE_READY) { /* already ready ==> queue the closure to run immediately */ *st = CLOSURE_NOT_READY; - grpc_exec_ctx_sched(exec_ctx, closure, fd_shutdown_error(fd->shutdown), - NULL); + grpc_closure_sched(exec_ctx, closure, fd_shutdown_error(fd->shutdown)); } else { /* upcallptr was set to a different closure. This is an error! */ gpr_log(GPR_ERROR, @@ -1079,7 +1098,7 @@ static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, return 0; } else { /* waiting ==> queue closure */ - grpc_exec_ctx_sched(exec_ctx, *st, fd_shutdown_error(fd->shutdown), NULL); + grpc_closure_sched(exec_ctx, *st, fd_shutdown_error(fd->shutdown)); *st = CLOSURE_NOT_READY; return 1; } @@ -1089,23 +1108,23 @@ static grpc_pollset *fd_get_read_notifier_pollset(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { grpc_pollset *notifier = NULL; - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); notifier = fd->read_notifier_pollset; - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); return notifier; } static bool fd_is_shutdown(grpc_fd *fd) { - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); const bool r = fd->shutdown; - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); return r; } /* Might be called multiple times */ static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); /* Do the actual shutdown only once */ if (!fd->shutdown) { fd->shutdown = true; @@ -1116,28 +1135,28 @@ static void fd_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { set_ready_locked(exec_ctx, fd, &fd->read_closure); set_ready_locked(exec_ctx, fd, &fd->write_closure); } - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); } static void fd_notify_on_read(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *closure) { - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); notify_on_locked(exec_ctx, fd, &fd->read_closure, closure); - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); } static void fd_notify_on_write(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *closure) { - gpr_mu_lock(&fd->mu); + gpr_mu_lock(&fd->po.mu); notify_on_locked(exec_ctx, fd, &fd->write_closure, closure); - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); } static grpc_workqueue *fd_get_workqueue(grpc_fd *fd) { - gpr_mu_lock(&fd->mu); - grpc_workqueue *workqueue = GRPC_WORKQUEUE_REF( - (grpc_workqueue *)fd->polling_island, "fd_get_workqueue"); - gpr_mu_unlock(&fd->mu); + gpr_mu_lock(&fd->po.mu); + grpc_workqueue *workqueue = + GRPC_WORKQUEUE_REF((grpc_workqueue *)fd->po.pi, "fd_get_workqueue"); + gpr_mu_unlock(&fd->po.mu); return workqueue; } @@ -1277,8 +1296,12 @@ static grpc_error *kick_poller(void) { } static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) { - gpr_mu_init(&pollset->mu); - *mu = &pollset->mu; + gpr_mu_init(&pollset->po.mu); + *mu = &pollset->po.mu; + pollset->po.pi = NULL; +#ifdef PO_DEBUG + pollset->po.obj_type = POLL_OBJ_POLLSET; +#endif pollset->root_worker.next = pollset->root_worker.prev = &pollset->root_worker; pollset->kicked_without_pollers = false; @@ -1286,8 +1309,6 @@ static void pollset_init(grpc_pollset *pollset, gpr_mu **mu) { pollset->shutting_down = false; pollset->finish_shutdown_called = false; pollset->shutdown_done = NULL; - - pollset->polling_island = NULL; } /* Convert a timespec to milliseconds: @@ -1317,26 +1338,26 @@ static int poll_deadline_to_millis_timeout(gpr_timespec deadline, static void fd_become_readable(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_pollset *notifier) { - /* Need the fd->mu since we might be racing with fd_notify_on_read */ - gpr_mu_lock(&fd->mu); + /* Need the fd->po.mu since we might be racing with fd_notify_on_read */ + gpr_mu_lock(&fd->po.mu); set_ready_locked(exec_ctx, fd, &fd->read_closure); fd->read_notifier_pollset = notifier; - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); } static void fd_become_writable(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { - /* Need the fd->mu since we might be racing with fd_notify_on_write */ - gpr_mu_lock(&fd->mu); + /* Need the fd->po.mu since we might be racing with fd_notify_on_write */ + gpr_mu_lock(&fd->po.mu); set_ready_locked(exec_ctx, fd, &fd->write_closure); - gpr_mu_unlock(&fd->mu); + gpr_mu_unlock(&fd->po.mu); } static void pollset_release_polling_island(grpc_exec_ctx *exec_ctx, grpc_pollset *ps, char *reason) { - if (ps->polling_island != NULL) { - PI_UNREF(exec_ctx, ps->polling_island, reason); + if (ps->po.pi != NULL) { + PI_UNREF(exec_ctx, ps->po.pi, reason); } - ps->polling_island = NULL; + ps->po.pi = NULL; } static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx, @@ -1346,12 +1367,12 @@ static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx, pollset->finish_shutdown_called = true; - /* Release the ref and set pollset->polling_island to NULL */ + /* Release the ref and set pollset->po.pi to NULL */ pollset_release_polling_island(exec_ctx, pollset, "ps_shutdown"); - grpc_exec_ctx_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE); } -/* pollset->mu lock must be held by the caller before calling this */ +/* pollset->po.mu lock must be held by the caller before calling this */ static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, grpc_closure *closure) { GPR_TIMER_BEGIN("pollset_shutdown", 0); @@ -1376,7 +1397,7 @@ static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, * here */ static void pollset_destroy(grpc_pollset *pollset) { GPR_ASSERT(!pollset_has_workers(pollset)); - gpr_mu_destroy(&pollset->mu); + gpr_mu_destroy(&pollset->po.mu); } static void pollset_reset(grpc_pollset *pollset) { @@ -1386,7 +1407,7 @@ static void pollset_reset(grpc_pollset *pollset) { pollset->finish_shutdown_called = false; pollset->kicked_without_pollers = false; pollset->shutdown_done = NULL; - GPR_ASSERT(pollset->polling_island == NULL); + GPR_ASSERT(pollset->po.pi == NULL); } static bool maybe_do_workqueue_work(grpc_exec_ctx *exec_ctx, @@ -1399,7 +1420,9 @@ static bool maybe_do_workqueue_work(grpc_exec_ctx *exec_ctx, workqueue_maybe_wakeup(pi); } grpc_closure *c = (grpc_closure *)n; - grpc_closure_run(exec_ctx, c, c->error_data.error); + grpc_error *error = c->error_data.error; + c->cb(exec_ctx, c->cb_arg, error); + GRPC_ERROR_UNREF(error); return true; } else if (gpr_atm_no_barrier_load(&pi->workqueue_item_count) > 0) { /* n == NULL might mean there's work but it's not available to be popped @@ -1426,7 +1449,7 @@ static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx, GPR_TIMER_BEGIN("pollset_work_and_unlock", 0); /* We need to get the epoll_fd to wait on. The epoll_fd is in inside the - latest polling island pointed by pollset->polling_island. + latest polling island pointed by pollset->po.pi Since epoll_fd is immutable, we can read it without obtaining the polling island lock. There is however a possibility that the polling island (from @@ -1435,36 +1458,36 @@ static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx, right-away from epoll_wait() and pick up the latest polling_island the next this function (i.e pollset_work_and_unlock()) is called */ - if (pollset->polling_island == NULL) { - pollset->polling_island = polling_island_create(exec_ctx, NULL, error); - if (pollset->polling_island == NULL) { + if (pollset->po.pi == NULL) { + pollset->po.pi = polling_island_create(exec_ctx, NULL, error); + if (pollset->po.pi == NULL) { GPR_TIMER_END("pollset_work_and_unlock", 0); return; /* Fatal error. We cannot continue */ } - PI_ADD_REF(pollset->polling_island, "ps"); + PI_ADD_REF(pollset->po.pi, "ps"); GRPC_POLLING_TRACE("pollset_work: pollset: %p created new pi: %p", - (void *)pollset, (void *)pollset->polling_island); + (void *)pollset, (void *)pollset->po.pi); } - pi = polling_island_maybe_get_latest(pollset->polling_island); + pi = polling_island_maybe_get_latest(pollset->po.pi); epoll_fd = pi->epoll_fd; - /* Update the pollset->polling_island since the island being pointed by - pollset->polling_island maybe older than the one pointed by pi) */ - if (pollset->polling_island != pi) { + /* Update the pollset->po.pi since the island being pointed by + pollset->po.pi maybe older than the one pointed by pi) */ + if (pollset->po.pi != pi) { /* Always do PI_ADD_REF before PI_UNREF because PI_UNREF may cause the polling island to be deleted */ PI_ADD_REF(pi, "ps"); - PI_UNREF(exec_ctx, pollset->polling_island, "ps"); - pollset->polling_island = pi; + PI_UNREF(exec_ctx, pollset->po.pi, "ps"); + pollset->po.pi = pi; } /* Add an extra ref so that the island does not get destroyed (which means the epoll_fd won't be closed) while we are are doing an epoll_wait() on the epoll_fd */ PI_ADD_REF(pi, "ps_work"); - gpr_mu_unlock(&pollset->mu); + gpr_mu_unlock(&pollset->po.mu); /* If we get some workqueue work to do, it might end up completing an item on the completion queue, so there's no need to poll... so we skip that and @@ -1537,17 +1560,17 @@ static void pollset_work_and_unlock(grpc_exec_ctx *exec_ctx, GPR_ASSERT(pi != NULL); /* Before leaving, release the extra ref we added to the polling island. It - is important to use "pi" here (i.e our old copy of pollset->polling_island + is important to use "pi" here (i.e our old copy of pollset->po.pi that we got before releasing the polling island lock). This is because - pollset->polling_island pointer might get udpated in other parts of the + pollset->po.pi pointer might get udpated in other parts of the code when there is an island merge while we are doing epoll_wait() above */ PI_UNREF(exec_ctx, pi, "ps_work"); GPR_TIMER_END("pollset_work_and_unlock", 0); } -/* pollset->mu lock must be held by the caller before calling this. - The function pollset_work() may temporarily release the lock (pollset->mu) +/* pollset->po.mu lock must be held by the caller before calling this. + The function pollset_work() may temporarily release the lock (pollset->po.mu) during the course of its execution but it will always re-acquire the lock and ensure that it is held by the time the function returns */ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, @@ -1617,7 +1640,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, &g_orig_sigmask, &error); grpc_exec_ctx_flush(exec_ctx); - gpr_mu_lock(&pollset->mu); + gpr_mu_lock(&pollset->po.mu); /* Note: There is no need to reset worker.is_kicked to 0 since we are no longer going to use this worker */ @@ -1637,9 +1660,9 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, GPR_TIMER_MARK("pollset_work.finish_shutdown_locked", 0); finish_shutdown_locked(exec_ctx, pollset); - gpr_mu_unlock(&pollset->mu); + gpr_mu_unlock(&pollset->po.mu); grpc_exec_ctx_flush(exec_ctx); - gpr_mu_lock(&pollset->mu); + gpr_mu_lock(&pollset->po.mu); } *worker_hdl = NULL; @@ -1653,130 +1676,160 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, return error; } -static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, - grpc_fd *fd) { - GPR_TIMER_BEGIN("pollset_add_fd", 0); - - grpc_error *error = GRPC_ERROR_NONE; +static void add_poll_object(grpc_exec_ctx *exec_ctx, poll_obj *bag, + poll_obj_type bag_type, poll_obj *item, + poll_obj_type item_type) { + GPR_TIMER_BEGIN("add_poll_object", 0); - gpr_mu_lock(&pollset->mu); - gpr_mu_lock(&fd->mu); +#ifdef PO_DEBUG + GPR_ASSERT(item->obj_type == item_type); + GPR_ASSERT(bag->obj_type == bag_type); +#endif + grpc_error *error = GRPC_ERROR_NONE; polling_island *pi_new = NULL; + gpr_mu_lock(&bag->mu); + gpr_mu_lock(&item->mu); + retry: - /* 1) If fd->polling_island and pollset->polling_island are both non-NULL and - * equal, do nothing. - * 2) If fd->polling_island and pollset->polling_island are both NULL, create - * a new polling island (with a refcount of 2) and make the polling_island - * fields in both fd and pollset to point to the new island - * 3) If one of fd->polling_island or pollset->polling_island is NULL, update - * the NULL polling_island field to point to the non-NULL polling_island - * field (ensure that the refcount on the polling island is incremented by - * 1 to account for the newly added reference) - * 4) Finally, if fd->polling_island and pollset->polling_island are non-NULL - * and different, merge both the polling islands and update the - * polling_island fields in both fd and pollset to point to the merged - * polling island. + /* + * 1) If item->pi and bag->pi are both non-NULL and equal, do nothing + * 2) If item->pi and bag->pi are both NULL, create a new polling island (with + * a refcount of 2) and point item->pi and bag->pi to the new island + * 3) If exactly one of item->pi or bag->pi is NULL, update it to point to + * the other's non-NULL pi + * 4) Finally if item->pi and bag-pi are non-NULL and not-equal, merge the + * polling islands and update item->pi and bag->pi to point to the new + * island */ - if (fd->orphaned) { - gpr_mu_unlock(&fd->mu); - gpr_mu_unlock(&pollset->mu); - /* early out */ + /* Early out if we are trying to add an 'fd' to a 'bag' but the fd is already + * orphaned */ + if (item_type == POLL_OBJ_FD && (FD_FROM_PO(item))->orphaned) { + gpr_mu_unlock(&item->mu); + gpr_mu_unlock(&bag->mu); return; } - if (fd->polling_island == pollset->polling_island) { - pi_new = fd->polling_island; + if (item->pi == bag->pi) { + pi_new = item->pi; if (pi_new == NULL) { - /* Unlock before creating a new polling island: the polling island will - create a workqueue which creates a file descriptor, and holding an fd - lock here can eventually cause a loop to appear to TSAN (making it - unhappy). We don't think it's a real loop (there's an epoch point where - that loop possibility disappears), but the advantages of keeping TSAN - happy outweigh any performance advantage we might have by keeping the - lock held. */ - gpr_mu_unlock(&fd->mu); - pi_new = polling_island_create(exec_ctx, fd, &error); - gpr_mu_lock(&fd->mu); - /* Need to reverify any assumptions made between the initial lock and - getting to this branch: if they've changed, we need to throw away our - work and figure things out again. */ - if (fd->polling_island != NULL) { - GRPC_POLLING_TRACE( - "pollset_add_fd: Raced creating new polling island. pi_new: %p " - "(fd: %d, pollset: %p)", - (void *)pi_new, fd->fd, (void *)pollset); - - /* No need to lock 'pi_new' here since this is a new polling island and - * no one has a reference to it yet */ - polling_island_remove_all_fds_locked(pi_new, true, &error); - - /* Ref and unref so that the polling island gets deleted during unref */ - PI_ADD_REF(pi_new, "dance_of_destruction"); - PI_UNREF(exec_ctx, pi_new, "dance_of_destruction"); - goto retry; + /* GPR_ASSERT(item->pi == bag->pi == NULL) */ + + /* If we are adding an fd to a bag (i.e pollset or pollset_set), then + * we need to do some extra work to make TSAN happy */ + if (item_type == POLL_OBJ_FD) { + /* Unlock before creating a new polling island: the polling island will + create a workqueue which creates a file descriptor, and holding an fd + lock here can eventually cause a loop to appear to TSAN (making it + unhappy). We don't think it's a real loop (there's an epoch point + where that loop possibility disappears), but the advantages of + keeping TSAN happy outweigh any performance advantage we might have + by keeping the lock held. */ + gpr_mu_unlock(&item->mu); + pi_new = polling_island_create(exec_ctx, FD_FROM_PO(item), &error); + gpr_mu_lock(&item->mu); + + /* Need to reverify any assumptions made between the initial lock and + getting to this branch: if they've changed, we need to throw away our + work and figure things out again. */ + if (item->pi != NULL) { + GRPC_POLLING_TRACE( + "add_poll_object: Raced creating new polling island. pi_new: %p " + "(fd: %d, %s: %p)", + (void *)pi_new, FD_FROM_PO(item)->fd, poll_obj_string(bag_type), + (void *)bag); + /* No need to lock 'pi_new' here since this is a new polling island + * and no one has a reference to it yet */ + polling_island_remove_all_fds_locked(pi_new, true, &error); + + /* Ref and unref so that the polling island gets deleted during unref + */ + PI_ADD_REF(pi_new, "dance_of_destruction"); + PI_UNREF(exec_ctx, pi_new, "dance_of_destruction"); + goto retry; + } } else { - GRPC_POLLING_TRACE( - "pollset_add_fd: Created new polling island. pi_new: %p (fd: %d, " - "pollset: %p)", - (void *)pi_new, fd->fd, (void *)pollset); + pi_new = polling_island_create(exec_ctx, NULL, &error); } + + GRPC_POLLING_TRACE( + "add_poll_object: Created new polling island. pi_new: %p (%s: %p, " + "%s: %p)", + (void *)pi_new, poll_obj_string(item_type), (void *)item, + poll_obj_string(bag_type), (void *)bag); + } else { + GRPC_POLLING_TRACE( + "add_poll_object: Same polling island. pi: %p (%s, %s)", + (void *)pi_new, poll_obj_string(item_type), + poll_obj_string(bag_type)); + } + } else if (item->pi == NULL) { + /* GPR_ASSERT(bag->pi != NULL) */ + /* Make pi_new point to latest pi*/ + pi_new = polling_island_lock(bag->pi); + + if (item_type == POLL_OBJ_FD) { + grpc_fd *fd = FD_FROM_PO(item); + polling_island_add_fds_locked(pi_new, &fd, 1, true, &error); } - } else if (fd->polling_island == NULL) { - pi_new = polling_island_lock(pollset->polling_island); - polling_island_add_fds_locked(pi_new, &fd, 1, true, &error); - gpr_mu_unlock(&pi_new->mu); + gpr_mu_unlock(&pi_new->mu); GRPC_POLLING_TRACE( - "pollset_add_fd: fd->pi was NULL. pi_new: %p (fd: %d, pollset: %p, " - "pollset->pi: %p)", - (void *)pi_new, fd->fd, (void *)pollset, - (void *)pollset->polling_island); - } else if (pollset->polling_island == NULL) { - pi_new = polling_island_lock(fd->polling_island); + "add_poll_obj: item->pi was NULL. pi_new: %p (item(%s): %p, " + "bag(%s): %p)", + (void *)pi_new, poll_obj_string(item_type), (void *)item, + poll_obj_string(bag_type), (void *)bag); + } else if (bag->pi == NULL) { + /* GPR_ASSERT(item->pi != NULL) */ + /* Make pi_new to point to latest pi */ + pi_new = polling_island_lock(item->pi); gpr_mu_unlock(&pi_new->mu); - GRPC_POLLING_TRACE( - "pollset_add_fd: pollset->pi was NULL. pi_new: %p (fd: %d, pollset: " - "%p, fd->pi: %p", - (void *)pi_new, fd->fd, (void *)pollset, (void *)fd->polling_island); + "add_poll_obj: bag->pi was NULL. pi_new: %p (item(%s): %p, " + "bag(%s): %p)", + (void *)pi_new, poll_obj_string(item_type), (void *)item, + poll_obj_string(bag_type), (void *)bag); } else { - pi_new = polling_island_merge(fd->polling_island, pollset->polling_island, - &error); + pi_new = polling_island_merge(item->pi, bag->pi, &error); GRPC_POLLING_TRACE( - "pollset_add_fd: polling islands merged. pi_new: %p (fd: %d, pollset: " - "%p, fd->pi: %p, pollset->pi: %p)", - (void *)pi_new, fd->fd, (void *)pollset, (void *)fd->polling_island, - (void *)pollset->polling_island); + "add_poll_obj: polling islands merged. pi_new: %p (item(%s): %p, " + "bag(%s): %p)", + (void *)pi_new, poll_obj_string(item_type), (void *)item, + poll_obj_string(bag_type), (void *)bag); } - /* At this point, pi_new is the polling island that both fd->polling_island - and pollset->polling_island must be pointing to */ + /* At this point, pi_new is the polling island that both item->pi and bag->pi + MUST be pointing to */ - if (fd->polling_island != pi_new) { - PI_ADD_REF(pi_new, "fd"); - if (fd->polling_island != NULL) { - PI_UNREF(exec_ctx, fd->polling_island, "fd"); + if (item->pi != pi_new) { + PI_ADD_REF(pi_new, poll_obj_string(item_type)); + if (item->pi != NULL) { + PI_UNREF(exec_ctx, item->pi, poll_obj_string(item_type)); } - fd->polling_island = pi_new; + item->pi = pi_new; } - if (pollset->polling_island != pi_new) { - PI_ADD_REF(pi_new, "ps"); - if (pollset->polling_island != NULL) { - PI_UNREF(exec_ctx, pollset->polling_island, "ps"); + if (bag->pi != pi_new) { + PI_ADD_REF(pi_new, poll_obj_string(bag_type)); + if (bag->pi != NULL) { + PI_UNREF(exec_ctx, bag->pi, poll_obj_string(bag_type)); } - pollset->polling_island = pi_new; + bag->pi = pi_new; } - gpr_mu_unlock(&fd->mu); - gpr_mu_unlock(&pollset->mu); + gpr_mu_unlock(&item->mu); + gpr_mu_unlock(&bag->mu); - GRPC_LOG_IF_ERROR("pollset_add_fd", error); + GRPC_LOG_IF_ERROR("add_poll_object", error); + GPR_TIMER_END("add_poll_object", 0); +} - GPR_TIMER_END("pollset_add_fd", 0); +static void pollset_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, + grpc_fd *fd) { + add_poll_object(exec_ctx, &pollset->po, POLL_OBJ_POLLSET, &fd->po, + POLL_OBJ_FD); } /******************************************************************************* @@ -1784,142 +1837,60 @@ retry: */ static grpc_pollset_set *pollset_set_create(void) { - grpc_pollset_set *pollset_set = gpr_malloc(sizeof(*pollset_set)); - memset(pollset_set, 0, sizeof(*pollset_set)); - gpr_mu_init(&pollset_set->mu); - return pollset_set; + grpc_pollset_set *pss = gpr_malloc(sizeof(*pss)); + gpr_mu_init(&pss->po.mu); + pss->po.pi = NULL; +#ifdef PO_DEBUG + pss->po.obj_type = POLL_OBJ_POLLSET_SET; +#endif + return pss; } -static void pollset_set_destroy(grpc_pollset_set *pollset_set) { - size_t i; - gpr_mu_destroy(&pollset_set->mu); - for (i = 0; i < pollset_set->fd_count; i++) { - GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set"); +static void pollset_set_destroy(grpc_pollset_set *pss) { + gpr_mu_destroy(&pss->po.mu); + + if (pss->po.pi != NULL) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + PI_UNREF(&exec_ctx, pss->po.pi, "pss_destroy"); + grpc_exec_ctx_finish(&exec_ctx); } - gpr_free(pollset_set->pollsets); - gpr_free(pollset_set->pollset_sets); - gpr_free(pollset_set->fds); - gpr_free(pollset_set); + + gpr_free(pss); } -static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, - grpc_pollset_set *pollset_set, grpc_fd *fd) { - size_t i; - gpr_mu_lock(&pollset_set->mu); - if (pollset_set->fd_count == pollset_set->fd_capacity) { - pollset_set->fd_capacity = GPR_MAX(8, 2 * pollset_set->fd_capacity); - pollset_set->fds = gpr_realloc( - pollset_set->fds, pollset_set->fd_capacity * sizeof(*pollset_set->fds)); - } - GRPC_FD_REF(fd, "pollset_set"); - pollset_set->fds[pollset_set->fd_count++] = fd; - for (i = 0; i < pollset_set->pollset_count; i++) { - pollset_add_fd(exec_ctx, pollset_set->pollsets[i], fd); - } - for (i = 0; i < pollset_set->pollset_set_count; i++) { - pollset_set_add_fd(exec_ctx, pollset_set->pollset_sets[i], fd); - } - gpr_mu_unlock(&pollset_set->mu); +static void pollset_set_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss, + grpc_fd *fd) { + add_poll_object(exec_ctx, &pss->po, POLL_OBJ_POLLSET_SET, &fd->po, + POLL_OBJ_FD); } -static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, - grpc_pollset_set *pollset_set, grpc_fd *fd) { - size_t i; - gpr_mu_lock(&pollset_set->mu); - for (i = 0; i < pollset_set->fd_count; i++) { - if (pollset_set->fds[i] == fd) { - pollset_set->fd_count--; - GPR_SWAP(grpc_fd *, pollset_set->fds[i], - pollset_set->fds[pollset_set->fd_count]); - GRPC_FD_UNREF(fd, "pollset_set"); - break; - } - } - for (i = 0; i < pollset_set->pollset_set_count; i++) { - pollset_set_del_fd(exec_ctx, pollset_set->pollset_sets[i], fd); - } - gpr_mu_unlock(&pollset_set->mu); +static void pollset_set_del_fd(grpc_exec_ctx *exec_ctx, grpc_pollset_set *pss, + grpc_fd *fd) { + /* Nothing to do */ } static void pollset_set_add_pollset(grpc_exec_ctx *exec_ctx, - grpc_pollset_set *pollset_set, - grpc_pollset *pollset) { - size_t i, j; - gpr_mu_lock(&pollset_set->mu); - if (pollset_set->pollset_count == pollset_set->pollset_capacity) { - pollset_set->pollset_capacity = - GPR_MAX(8, 2 * pollset_set->pollset_capacity); - pollset_set->pollsets = - gpr_realloc(pollset_set->pollsets, pollset_set->pollset_capacity * - sizeof(*pollset_set->pollsets)); - } - pollset_set->pollsets[pollset_set->pollset_count++] = pollset; - for (i = 0, j = 0; i < pollset_set->fd_count; i++) { - if (fd_is_orphaned(pollset_set->fds[i])) { - GRPC_FD_UNREF(pollset_set->fds[i], "pollset_set"); - } else { - pollset_add_fd(exec_ctx, pollset, pollset_set->fds[i]); - pollset_set->fds[j++] = pollset_set->fds[i]; - } - } - pollset_set->fd_count = j; - gpr_mu_unlock(&pollset_set->mu); + grpc_pollset_set *pss, grpc_pollset *ps) { + add_poll_object(exec_ctx, &pss->po, POLL_OBJ_POLLSET_SET, &ps->po, + POLL_OBJ_POLLSET); } static void pollset_set_del_pollset(grpc_exec_ctx *exec_ctx, - grpc_pollset_set *pollset_set, - grpc_pollset *pollset) { - size_t i; - gpr_mu_lock(&pollset_set->mu); - for (i = 0; i < pollset_set->pollset_count; i++) { - if (pollset_set->pollsets[i] == pollset) { - pollset_set->pollset_count--; - GPR_SWAP(grpc_pollset *, pollset_set->pollsets[i], - pollset_set->pollsets[pollset_set->pollset_count]); - break; - } - } - gpr_mu_unlock(&pollset_set->mu); + grpc_pollset_set *pss, grpc_pollset *ps) { + /* Nothing to do */ } static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx, grpc_pollset_set *bag, grpc_pollset_set *item) { - size_t i, j; - gpr_mu_lock(&bag->mu); - if (bag->pollset_set_count == bag->pollset_set_capacity) { - bag->pollset_set_capacity = GPR_MAX(8, 2 * bag->pollset_set_capacity); - bag->pollset_sets = - gpr_realloc(bag->pollset_sets, - bag->pollset_set_capacity * sizeof(*bag->pollset_sets)); - } - bag->pollset_sets[bag->pollset_set_count++] = item; - for (i = 0, j = 0; i < bag->fd_count; i++) { - if (fd_is_orphaned(bag->fds[i])) { - GRPC_FD_UNREF(bag->fds[i], "pollset_set"); - } else { - pollset_set_add_fd(exec_ctx, item, bag->fds[i]); - bag->fds[j++] = bag->fds[i]; - } - } - bag->fd_count = j; - gpr_mu_unlock(&bag->mu); + add_poll_object(exec_ctx, &bag->po, POLL_OBJ_POLLSET_SET, &item->po, + POLL_OBJ_POLLSET_SET); } static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx, grpc_pollset_set *bag, grpc_pollset_set *item) { - size_t i; - gpr_mu_lock(&bag->mu); - for (i = 0; i < bag->pollset_set_count; i++) { - if (bag->pollset_sets[i] == item) { - bag->pollset_set_count--; - GPR_SWAP(grpc_pollset_set *, bag->pollset_sets[i], - bag->pollset_sets[bag->pollset_set_count]); - break; - } - } - gpr_mu_unlock(&bag->mu); + /* Nothing to do */ } /* Test helper functions @@ -1927,9 +1898,9 @@ static void pollset_set_del_pollset_set(grpc_exec_ctx *exec_ctx, void *grpc_fd_get_polling_island(grpc_fd *fd) { polling_island *pi; - gpr_mu_lock(&fd->mu); - pi = fd->polling_island; - gpr_mu_unlock(&fd->mu); + gpr_mu_lock(&fd->po.mu); + pi = fd->po.pi; + gpr_mu_unlock(&fd->po.mu); return pi; } @@ -1937,9 +1908,9 @@ void *grpc_fd_get_polling_island(grpc_fd *fd) { void *grpc_pollset_get_polling_island(grpc_pollset *ps) { polling_island *pi; - gpr_mu_lock(&ps->mu); - pi = ps->polling_island; - gpr_mu_unlock(&ps->mu); + gpr_mu_lock(&ps->po.mu); + pi = ps->po.pi; + gpr_mu_unlock(&ps->po.mu); return pi; } @@ -2000,7 +1971,7 @@ static const grpc_event_engine_vtable vtable = { .workqueue_ref = workqueue_ref, .workqueue_unref = workqueue_unref, - .workqueue_enqueue = workqueue_enqueue, + .workqueue_scheduler = workqueue_scheduler, .shutdown_engine = shutdown_engine, }; diff --git a/src/core/lib/iomgr/ev_poll_posix.c b/src/core/lib/iomgr/ev_poll_posix.c index 21b28e5554..5bc5621443 100644 --- a/src/core/lib/iomgr/ev_poll_posix.c +++ b/src/core/lib/iomgr/ev_poll_posix.c @@ -397,7 +397,7 @@ static void close_fd_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd) { if (!fd->released) { close(fd->fd); } - grpc_exec_ctx_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, fd->on_done_closure, GRPC_ERROR_NONE); } static int fd_wrapped_fd(grpc_fd *fd) { @@ -457,16 +457,14 @@ static grpc_error *fd_shutdown_error(bool shutdown) { static void notify_on_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure **st, grpc_closure *closure) { if (fd->shutdown) { - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_CREATE("FD shutdown"), - NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_CREATE("FD shutdown")); } else if (*st == CLOSURE_NOT_READY) { /* not ready ==> switch to a waiting state by setting the closure */ *st = closure; } else if (*st == CLOSURE_READY) { /* already ready ==> queue the closure to run immediately */ *st = CLOSURE_NOT_READY; - grpc_exec_ctx_sched(exec_ctx, closure, fd_shutdown_error(fd->shutdown), - NULL); + grpc_closure_sched(exec_ctx, closure, fd_shutdown_error(fd->shutdown)); maybe_wake_one_watcher_locked(fd); } else { /* upcallptr was set to a different closure. This is an error! */ @@ -489,7 +487,7 @@ static int set_ready_locked(grpc_exec_ctx *exec_ctx, grpc_fd *fd, return 0; } else { /* waiting ==> queue closure */ - grpc_exec_ctx_sched(exec_ctx, *st, fd_shutdown_error(fd->shutdown), NULL); + grpc_closure_sched(exec_ctx, *st, fd_shutdown_error(fd->shutdown)); *st = CLOSURE_NOT_READY; return 1; } @@ -852,7 +850,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset) { GRPC_FD_UNREF(pollset->fds[i], "multipoller"); } pollset->fd_count = 0; - grpc_exec_ctx_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, pollset->shutdown_done, GRPC_ERROR_NONE); } static void work_combine_error(grpc_error **composite, grpc_error *error) { @@ -901,7 +899,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, if (!pollset_has_workers(pollset) && !grpc_closure_list_empty(pollset->idle_jobs)) { GPR_TIMER_MARK("pollset_work.idle_jobs", 0); - grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); + grpc_closure_list_sched(exec_ctx, &pollset->idle_jobs); goto done; } /* If we're shutting down then we don't execute any extended work */ @@ -1081,7 +1079,7 @@ static grpc_error *pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */ gpr_mu_lock(&pollset->mu); } else if (!grpc_closure_list_empty(pollset->idle_jobs)) { - grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); + grpc_closure_list_sched(exec_ctx, &pollset->idle_jobs); gpr_mu_unlock(&pollset->mu); grpc_exec_ctx_flush(exec_ctx); gpr_mu_lock(&pollset->mu); @@ -1100,7 +1098,7 @@ static void pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, pollset->shutdown_done = closure; pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST); if (!pollset_has_workers(pollset)) { - grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs, NULL); + grpc_closure_list_sched(exec_ctx, &pollset->idle_jobs); } if (!pollset->called_shutdown && !pollset_has_workers(pollset)) { pollset->called_shutdown = 1; @@ -1288,10 +1286,8 @@ static void workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue) {} #endif -static void workqueue_enqueue(grpc_exec_ctx *exec_ctx, - grpc_workqueue *workqueue, grpc_closure *closure, - grpc_error *error) { - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); +static grpc_closure_scheduler *workqueue_scheduler(grpc_workqueue *workqueue) { + return grpc_schedule_on_exec_ctx; } /******************************************************************************* @@ -1534,7 +1530,7 @@ static const grpc_event_engine_vtable vtable = { .workqueue_ref = workqueue_ref, .workqueue_unref = workqueue_unref, - .workqueue_enqueue = workqueue_enqueue, + .workqueue_scheduler = workqueue_scheduler, .shutdown_engine = shutdown_engine, }; diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c index ab139895fd..2975d619e1 100644 --- a/src/core/lib/iomgr/ev_posix.c +++ b/src/core/lib/iomgr/ev_posix.c @@ -275,9 +275,8 @@ void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue) { } #endif -void grpc_workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue, - grpc_closure *closure, grpc_error *error) { - g_event_engine->workqueue_enqueue(exec_ctx, workqueue, closure, error); +grpc_closure_scheduler *grpc_workqueue_scheduler(grpc_workqueue *workqueue) { + return g_event_engine->workqueue_scheduler(workqueue); } #endif // GRPC_POSIX_SOCKET diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h index cb5832539d..1068a4bad5 100644 --- a/src/core/lib/iomgr/ev_posix.h +++ b/src/core/lib/iomgr/ev_posix.h @@ -106,8 +106,7 @@ typedef struct grpc_event_engine_vtable { grpc_workqueue *(*workqueue_ref)(grpc_workqueue *workqueue); void (*workqueue_unref)(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue); #endif - void (*workqueue_enqueue)(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue, - grpc_closure *closure, grpc_error *error); + grpc_closure_scheduler *(*workqueue_scheduler)(grpc_workqueue *workqueue); } grpc_event_engine_vtable; void grpc_event_engine_init(void); diff --git a/src/core/lib/iomgr/exec_ctx.c b/src/core/lib/iomgr/exec_ctx.c index 604713e578..6aa788f8e5 100644 --- a/src/core/lib/iomgr/exec_ctx.c +++ b/src/core/lib/iomgr/exec_ctx.c @@ -57,7 +57,6 @@ bool grpc_always_ready_to_finish(grpc_exec_ctx *exec_ctx, void *arg_ignored) { return true; } -#ifndef GRPC_EXECUTION_CONTEXT_SANITIZER bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { bool did_something = 0; GPR_TIMER_BEGIN("grpc_exec_ctx_flush", 0); @@ -67,8 +66,10 @@ bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { exec_ctx->closure_list.head = exec_ctx->closure_list.tail = NULL; while (c != NULL) { grpc_closure *next = c->next_data.next; + grpc_error *error = c->error_data.error; did_something = true; - grpc_closure_run(exec_ctx, c, c->error_data.error); + c->cb(exec_ctx, c->cb_arg, error); + GRPC_ERROR_UNREF(error); c = next; } } else if (!grpc_combiner_continue_exec_ctx(exec_ctx)) { @@ -76,30 +77,6 @@ bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { } } GPR_ASSERT(exec_ctx->active_combiner == NULL); - if (exec_ctx->stealing_from_workqueue != NULL) { - if (grpc_exec_ctx_ready_to_finish(exec_ctx)) { - grpc_workqueue_enqueue(exec_ctx, exec_ctx->stealing_from_workqueue, - exec_ctx->stolen_closure, - exec_ctx->stolen_closure->error_data.error); - GRPC_WORKQUEUE_UNREF(exec_ctx, exec_ctx->stealing_from_workqueue, - "exec_ctx_sched"); - exec_ctx->stealing_from_workqueue = NULL; - exec_ctx->stolen_closure = NULL; - } else { - grpc_closure *c = exec_ctx->stolen_closure; - GRPC_WORKQUEUE_UNREF(exec_ctx, exec_ctx->stealing_from_workqueue, - "exec_ctx_sched"); - exec_ctx->stealing_from_workqueue = NULL; - exec_ctx->stolen_closure = NULL; - grpc_error *error = c->error_data.error; - GPR_TIMER_BEGIN("grpc_exec_ctx_flush.stolen_cb", 0); - c->cb(exec_ctx, c->cb_arg, error); - GRPC_ERROR_UNREF(error); - GPR_TIMER_END("grpc_exec_ctx_flush.stolen_cb", 0); - grpc_exec_ctx_flush(exec_ctx); - did_something = true; - } - } GPR_TIMER_END("grpc_exec_ctx_flush", 0); return did_something; } @@ -109,104 +86,21 @@ void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx) { grpc_exec_ctx_flush(exec_ctx); } -void grpc_exec_ctx_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure, - grpc_error *error, - grpc_workqueue *offload_target_or_null) { - GPR_TIMER_BEGIN("grpc_exec_ctx_sched", 0); - if (offload_target_or_null == NULL) { - grpc_closure_list_append(&exec_ctx->closure_list, closure, error); - } else if (exec_ctx->stealing_from_workqueue == NULL) { - exec_ctx->stealing_from_workqueue = offload_target_or_null; - closure->error_data.error = error; - exec_ctx->stolen_closure = closure; - } else if (exec_ctx->stealing_from_workqueue != offload_target_or_null) { - grpc_workqueue_enqueue(exec_ctx, offload_target_or_null, closure, error); - GRPC_WORKQUEUE_UNREF(exec_ctx, offload_target_or_null, "exec_ctx_sched"); - } else { /* stealing_from_workqueue == offload_target_or_null */ - grpc_workqueue_enqueue(exec_ctx, offload_target_or_null, - exec_ctx->stolen_closure, - exec_ctx->stolen_closure->error_data.error); - closure->error_data.error = error; - exec_ctx->stolen_closure = closure; - GRPC_WORKQUEUE_UNREF(exec_ctx, offload_target_or_null, "exec_ctx_sched"); - } - GPR_TIMER_END("grpc_exec_ctx_sched", 0); +static void exec_ctx_run(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error) { + closure->cb(exec_ctx, closure->cb_arg, error); + GRPC_ERROR_UNREF(error); } -void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx, - grpc_closure_list *list, - grpc_workqueue *offload_target_or_null) { - grpc_closure_list_move(list, &exec_ctx->closure_list); +static void exec_ctx_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error) { + grpc_closure_list_append(&exec_ctx->closure_list, closure, error); } void grpc_exec_ctx_global_init(void) {} void grpc_exec_ctx_global_shutdown(void) {} -#else -static gpr_mu g_mu; -static gpr_cv g_cv; -static int g_threads = 0; - -static void run_closure(void *arg) { - grpc_closure *closure = arg; - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - closure->cb(&exec_ctx, closure->cb_arg, (closure->final_data & 1) != 0); - grpc_exec_ctx_finish(&exec_ctx); - gpr_mu_lock(&g_mu); - if (--g_threads == 0) { - gpr_cv_signal(&g_cv); - } - gpr_mu_unlock(&g_mu); -} - -static void start_closure(grpc_closure *closure) { - gpr_thd_id id; - gpr_mu_lock(&g_mu); - g_threads++; - gpr_mu_unlock(&g_mu); - gpr_thd_new(&id, run_closure, closure, NULL); -} - -bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx) { return false; } - -void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx) {} -void grpc_exec_ctx_enqueue(grpc_exec_ctx *exec_ctx, grpc_closure *closure, - bool success, - grpc_workqueue *offload_target_or_null) { - GPR_ASSERT(offload_target_or_null == NULL); - if (closure == NULL) return; - closure->final_data = success; - start_closure(closure); -} - -void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx, - grpc_closure_list *list, - grpc_workqueue *offload_target_or_null) { - GPR_ASSERT(offload_target_or_null == NULL); - if (list == NULL) return; - grpc_closure *p = list->head; - while (p) { - grpc_closure *start = p; - p = grpc_closure_next(start); - start_closure(start); - } - grpc_closure_list r = GRPC_CLOSURE_LIST_INIT; - *list = r; -} - -void grpc_exec_ctx_global_init(void) { - gpr_mu_init(&g_mu); - gpr_cv_init(&g_cv); -} - -void grpc_exec_ctx_global_shutdown(void) { - gpr_mu_lock(&g_mu); - while (g_threads != 0) { - gpr_cv_wait(&g_cv, &g_mu, gpr_inf_future(GPR_CLOCK_REALTIME)); - } - gpr_mu_unlock(&g_mu); - - gpr_mu_destroy(&g_mu); - gpr_cv_destroy(&g_cv); -} -#endif +static const grpc_closure_scheduler_vtable exec_ctx_scheduler_vtable = { + exec_ctx_run, exec_ctx_sched}; +static grpc_closure_scheduler exec_ctx_scheduler = {&exec_ctx_scheduler_vtable}; +grpc_closure_scheduler *grpc_schedule_on_exec_ctx = &exec_ctx_scheduler; diff --git a/src/core/lib/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h index 7e50cb9825..e566f1b3e8 100644 --- a/src/core/lib/iomgr/exec_ctx.h +++ b/src/core/lib/iomgr/exec_ctx.h @@ -66,17 +66,6 @@ typedef struct grpc_combiner grpc_combiner; #ifndef GRPC_EXECUTION_CONTEXT_SANITIZER struct grpc_exec_ctx { grpc_closure_list closure_list; - /** The workqueue we're stealing work from. - As items are queued to the execution context, we try to steal one - workqueue item and execute it inline (assuming the exec_ctx is not - finished) - doing so does not invalidate the workqueue's contract, and - provides a small latency win in cases where we get a hit */ - grpc_workqueue *stealing_from_workqueue; - /** The workqueue item that was stolen from the workqueue above. When new - items are scheduled to be offloaded to that workqueue, we need to update - this like a 1-deep fifo to maintain the invariant that workqueue items - queued by one thread are started in order */ - grpc_closure *stolen_closure; /** currently active combiner: updated only via combiner.c */ grpc_combiner *active_combiner; /** last active combiner in the active combiner list */ @@ -89,10 +78,7 @@ struct grpc_exec_ctx { /* initializer for grpc_exec_ctx: prefer to use GRPC_EXEC_CTX_INIT whenever possible */ #define GRPC_EXEC_CTX_INIT_WITH_FINISH_CHECK(finish_check, finish_check_arg) \ - { \ - GRPC_CLOSURE_LIST_INIT, NULL, NULL, NULL, NULL, false, finish_check_arg, \ - finish_check \ - } + { GRPC_CLOSURE_LIST_INIT, NULL, NULL, false, finish_check_arg, finish_check } #else struct grpc_exec_ctx { bool cached_ready_to_finish; @@ -108,6 +94,8 @@ struct grpc_exec_ctx { #define GRPC_EXEC_CTX_INIT \ GRPC_EXEC_CTX_INIT_WITH_FINISH_CHECK(grpc_always_ready_to_finish, NULL) +extern grpc_closure_scheduler *grpc_schedule_on_exec_ctx; + /** Flush any work that has been enqueued onto this grpc_exec_ctx. * Caller must guarantee that no interfering locks are held. * Returns true if work was performed, false otherwise. */ @@ -115,14 +103,6 @@ bool grpc_exec_ctx_flush(grpc_exec_ctx *exec_ctx); /** Finish any pending work for a grpc_exec_ctx. Must be called before * the instance is destroyed, or work may be lost. */ void grpc_exec_ctx_finish(grpc_exec_ctx *exec_ctx); -/** Add a closure to be executed in the future. - If \a offload_target_or_null is NULL, the closure will be executed at the - next exec_ctx.{finish,flush} point. - If \a offload_target_or_null is non-NULL, the closure will be scheduled - against the workqueue, and a reference to the workqueue will be consumed. */ -void grpc_exec_ctx_sched(grpc_exec_ctx *exec_ctx, grpc_closure *closure, - grpc_error *error, - grpc_workqueue *offload_target_or_null); /** Returns true if we'd like to leave this execution context as soon as possible: useful for deciding whether to do something more or not depending on outside context */ @@ -131,11 +111,6 @@ bool grpc_exec_ctx_ready_to_finish(grpc_exec_ctx *exec_ctx); bool grpc_never_ready_to_finish(grpc_exec_ctx *exec_ctx, void *arg_ignored); /** A finish check that is always ready to finish */ bool grpc_always_ready_to_finish(grpc_exec_ctx *exec_ctx, void *arg_ignored); -/** Add a list of closures to be executed at the next flush/finish point. - * Leaves \a list empty. */ -void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx, - grpc_closure_list *list, - grpc_workqueue *offload_target_or_null); void grpc_exec_ctx_global_init(void); diff --git a/src/core/lib/iomgr/executor.c b/src/core/lib/iomgr/executor.c index 8d7535d6fe..852775564f 100644 --- a/src/core/lib/iomgr/executor.c +++ b/src/core/lib/iomgr/executor.c @@ -77,10 +77,18 @@ static void closure_exec_thread_func(void *ignored) { gpr_mu_unlock(&g_executor.mu); break; } else { - grpc_exec_ctx_enqueue_list(&exec_ctx, &g_executor.closures, NULL); + grpc_closure *c = g_executor.closures.head; + grpc_closure_list_init(&g_executor.closures); + gpr_mu_unlock(&g_executor.mu); + while (c != NULL) { + grpc_closure *next = c->next_data.next; + grpc_error *error = c->error_data.error; + c->cb(&exec_ctx, c->cb_arg, error); + GRPC_ERROR_UNREF(error); + c = next; + } + grpc_exec_ctx_flush(&exec_ctx); } - gpr_mu_unlock(&g_executor.mu); - grpc_exec_ctx_flush(&exec_ctx); } grpc_exec_ctx_finish(&exec_ctx); } @@ -112,7 +120,8 @@ static void maybe_spawn_locked() { g_executor.pending_join = 1; } -void grpc_executor_push(grpc_closure *closure, grpc_error *error) { +static void executor_push(grpc_exec_ctx *exec_ctx, grpc_closure *closure, + grpc_error *error) { gpr_mu_lock(&g_executor.mu); if (g_executor.shutting_down == 0) { grpc_closure_list_append(&g_executor.closures, closure, error); @@ -121,9 +130,8 @@ void grpc_executor_push(grpc_closure *closure, grpc_error *error) { gpr_mu_unlock(&g_executor.mu); } -void grpc_executor_shutdown() { +void grpc_executor_shutdown(grpc_exec_ctx *exec_ctx) { int pending_join; - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; gpr_mu_lock(&g_executor.mu); pending_join = g_executor.pending_join; @@ -133,11 +141,24 @@ void grpc_executor_shutdown() { * list below because we aren't accepting new work */ /* Execute pending callbacks, some may be performing cleanups */ - grpc_exec_ctx_enqueue_list(&exec_ctx, &g_executor.closures, NULL); - grpc_exec_ctx_finish(&exec_ctx); + grpc_closure *c = g_executor.closures.head; + grpc_closure_list_init(&g_executor.closures); + while (c != NULL) { + grpc_closure *next = c->next_data.next; + grpc_error *error = c->error_data.error; + c->cb(exec_ctx, c->cb_arg, error); + GRPC_ERROR_UNREF(error); + c = next; + } + grpc_exec_ctx_flush(exec_ctx); GPR_ASSERT(grpc_closure_list_empty(g_executor.closures)); if (pending_join) { gpr_thd_join(g_executor.tid); } gpr_mu_destroy(&g_executor.mu); } + +static const grpc_closure_scheduler_vtable executor_vtable = {executor_push, + executor_push}; +static grpc_closure_scheduler executor_scheduler = {&executor_vtable}; +grpc_closure_scheduler *grpc_executor_scheduler = &executor_scheduler; diff --git a/src/core/lib/iomgr/executor.h b/src/core/lib/iomgr/executor.h index da9dcd07d0..1213016383 100644 --- a/src/core/lib/iomgr/executor.h +++ b/src/core/lib/iomgr/executor.h @@ -43,11 +43,9 @@ * non-blocking solution available. */ void grpc_executor_init(); -/** Enqueue \a closure for its eventual execution of \a f(arg) on a separate - * thread */ -void grpc_executor_push(grpc_closure *closure, grpc_error *error); +extern grpc_closure_scheduler *grpc_executor_scheduler; /** Shutdown the executor, running all pending work as part of the call */ -void grpc_executor_shutdown(); +void grpc_executor_shutdown(grpc_exec_ctx *exec_ctx); #endif /* GRPC_CORE_LIB_IOMGR_EXECUTOR_H */ diff --git a/src/core/lib/iomgr/iocp_windows.c b/src/core/lib/iomgr/iocp_windows.c index 60ebe43676..f0f4a6ff39 100644 --- a/src/core/lib/iomgr/iocp_windows.c +++ b/src/core/lib/iomgr/iocp_windows.c @@ -80,7 +80,6 @@ grpc_iocp_work_status grpc_iocp_work(grpc_exec_ctx *exec_ctx, LPOVERLAPPED overlapped; grpc_winsocket *socket; grpc_winsocket_callback_info *info; - grpc_closure *closure = NULL; success = GetQueuedCompletionStatus( g_iocp, &bytes, &completion_key, &overlapped, deadline_to_millis_timeout(deadline, gpr_now(deadline.clock_type))); diff --git a/src/core/lib/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c index 3470b5ac81..001e528409 100644 --- a/src/core/lib/iomgr/iomgr.c +++ b/src/core/lib/iomgr/iomgr.c @@ -83,11 +83,10 @@ static void dump_objects(const char *kind) { } } -void grpc_iomgr_shutdown(void) { +void grpc_iomgr_shutdown(grpc_exec_ctx *exec_ctx) { gpr_timespec shutdown_deadline = gpr_time_add( gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(10, GPR_TIMESPAN)); gpr_timespec last_warning_time = gpr_now(GPR_CLOCK_REALTIME); - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_iomgr_platform_flush(); @@ -104,10 +103,9 @@ void grpc_iomgr_shutdown(void) { } last_warning_time = gpr_now(GPR_CLOCK_REALTIME); } - if (grpc_timer_check(&exec_ctx, gpr_inf_future(GPR_CLOCK_MONOTONIC), - NULL)) { + if (grpc_timer_check(exec_ctx, gpr_inf_future(GPR_CLOCK_MONOTONIC), NULL)) { gpr_mu_unlock(&g_mu); - grpc_exec_ctx_flush(&exec_ctx); + grpc_exec_ctx_flush(exec_ctx); grpc_iomgr_platform_flush(); gpr_mu_lock(&g_mu); continue; @@ -139,8 +137,8 @@ void grpc_iomgr_shutdown(void) { } gpr_mu_unlock(&g_mu); - grpc_timer_list_shutdown(&exec_ctx); - grpc_exec_ctx_finish(&exec_ctx); + grpc_timer_list_shutdown(exec_ctx); + grpc_exec_ctx_flush(exec_ctx); /* ensure all threads have left g_mu */ gpr_mu_lock(&g_mu); diff --git a/src/core/lib/iomgr/iomgr.h b/src/core/lib/iomgr/iomgr.h index c1cfaf302e..245a1e08aa 100644 --- a/src/core/lib/iomgr/iomgr.h +++ b/src/core/lib/iomgr/iomgr.h @@ -34,12 +34,14 @@ #ifndef GRPC_CORE_LIB_IOMGR_IOMGR_H #define GRPC_CORE_LIB_IOMGR_IOMGR_H +#include <grpc/impl/codegen/exec_ctx_fwd.h> #include "src/core/lib/iomgr/port.h" /** Initializes the iomgr. */ void grpc_iomgr_init(void); -/** Signals the intention to shutdown the iomgr. */ -void grpc_iomgr_shutdown(void); +/** Signals the intention to shutdown the iomgr. Expects to be able to flush + * exec_ctx. */ +void grpc_iomgr_shutdown(grpc_exec_ctx *exec_ctx); #endif /* GRPC_CORE_LIB_IOMGR_IOMGR_H */ diff --git a/src/core/lib/iomgr/pollset_uv.c b/src/core/lib/iomgr/pollset_uv.c index 3a74b842b6..ed3edeee94 100644 --- a/src/core/lib/iomgr/pollset_uv.c +++ b/src/core/lib/iomgr/pollset_uv.c @@ -83,7 +83,7 @@ void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, // Drain any pending UV callbacks without blocking uv_run(uv_default_loop(), UV_RUN_NOWAIT); } - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); } void grpc_pollset_destroy(grpc_pollset *pollset) { diff --git a/src/core/lib/iomgr/pollset_windows.c b/src/core/lib/iomgr/pollset_windows.c index 5540303e49..2a45e708df 100644 --- a/src/core/lib/iomgr/pollset_windows.c +++ b/src/core/lib/iomgr/pollset_windows.c @@ -109,7 +109,7 @@ void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, pollset->shutting_down = 1; grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST); if (!pollset->is_iocp_worker) { - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); } else { pollset->on_shutdown = closure; } @@ -167,8 +167,7 @@ grpc_error *grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, } if (pollset->shutting_down && pollset->on_shutdown != NULL) { - grpc_exec_ctx_sched(exec_ctx, pollset->on_shutdown, GRPC_ERROR_NONE, - NULL); + grpc_closure_sched(exec_ctx, pollset->on_shutdown, GRPC_ERROR_NONE); pollset->on_shutdown = NULL; } goto done; diff --git a/src/core/lib/iomgr/resolve_address_posix.c b/src/core/lib/iomgr/resolve_address_posix.c index 821932e562..50e470d149 100644 --- a/src/core/lib/iomgr/resolve_address_posix.c +++ b/src/core/lib/iomgr/resolve_address_posix.c @@ -163,10 +163,9 @@ typedef struct { static void do_request_thread(grpc_exec_ctx *exec_ctx, void *rp, grpc_error *error) { request *r = rp; - grpc_exec_ctx_sched( + grpc_closure_sched( exec_ctx, r->on_done, - grpc_blocking_resolve_address(r->name, r->default_port, r->addrs_out), - NULL); + grpc_blocking_resolve_address(r->name, r->default_port, r->addrs_out)); gpr_free(r->name); gpr_free(r->default_port); gpr_free(r); @@ -185,12 +184,13 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name, grpc_closure *on_done, grpc_resolved_addresses **addrs) { request *r = gpr_malloc(sizeof(request)); - grpc_closure_init(&r->request_closure, do_request_thread, r); + grpc_closure_init(&r->request_closure, do_request_thread, r, + grpc_executor_scheduler); r->name = gpr_strdup(name); r->default_port = gpr_strdup(default_port); r->on_done = on_done; r->addrs_out = addrs; - grpc_executor_push(&r->request_closure, GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, &r->request_closure, GRPC_ERROR_NONE); } void (*grpc_resolve_address)( diff --git a/src/core/lib/iomgr/resolve_address_uv.c b/src/core/lib/iomgr/resolve_address_uv.c index 3269c4f09f..9b5f3209f0 100644 --- a/src/core/lib/iomgr/resolve_address_uv.c +++ b/src/core/lib/iomgr/resolve_address_uv.c @@ -98,7 +98,7 @@ static void getaddrinfo_callback(uv_getaddrinfo_t *req, int status, grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_error *error; error = handle_addrinfo_result(status, res, r->addresses); - grpc_exec_ctx_sched(&exec_ctx, r->on_done, error, NULL); + grpc_closure_sched(&exec_ctx, r->on_done, error); grpc_exec_ctx_finish(&exec_ctx); gpr_free(r->hints); @@ -193,7 +193,7 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name, int s; err = try_split_host_port(name, default_port, &host, &port); if (err != GRPC_ERROR_NONE) { - grpc_exec_ctx_sched(exec_ctx, on_done, err, NULL); + grpc_closure_sched(exec_ctx, on_done, err); return; } r = gpr_malloc(sizeof(request)); @@ -217,7 +217,7 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name, *addrs = NULL; err = GRPC_ERROR_CREATE("getaddrinfo failed"); err = grpc_error_set_str(err, GRPC_ERROR_STR_OS_ERROR, uv_strerror(s)); - grpc_exec_ctx_sched(exec_ctx, on_done, err, NULL); + grpc_closure_sched(exec_ctx, on_done, err); gpr_free(r); gpr_free(req); gpr_free(hints); diff --git a/src/core/lib/iomgr/resolve_address_windows.c b/src/core/lib/iomgr/resolve_address_windows.c index fada5ecbe8..2439ce3cb7 100644 --- a/src/core/lib/iomgr/resolve_address_windows.c +++ b/src/core/lib/iomgr/resolve_address_windows.c @@ -154,7 +154,7 @@ static void do_request_thread(grpc_exec_ctx *exec_ctx, void *rp, } else { GRPC_ERROR_REF(error); } - grpc_exec_ctx_sched(exec_ctx, r->on_done, error, NULL); + grpc_closure_sched(exec_ctx, r->on_done, error); gpr_free(r->name); gpr_free(r->default_port); gpr_free(r); @@ -173,12 +173,13 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name, grpc_closure *on_done, grpc_resolved_addresses **addresses) { request *r = gpr_malloc(sizeof(request)); - grpc_closure_init(&r->request_closure, do_request_thread, r); + grpc_closure_init(&r->request_closure, do_request_thread, r, + grpc_executor_scheduler); r->name = gpr_strdup(name); r->default_port = gpr_strdup(default_port); r->on_done = on_done; r->addresses = addresses; - grpc_executor_push(&r->request_closure, GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, &r->request_closure, GRPC_ERROR_NONE); } void (*grpc_resolve_address)( diff --git a/src/core/lib/iomgr/resource_quota.c b/src/core/lib/iomgr/resource_quota.c index 379bf9bd23..42a044df77 100644 --- a/src/core/lib/iomgr/resource_quota.c +++ b/src/core/lib/iomgr/resource_quota.c @@ -144,6 +144,12 @@ struct grpc_resource_quota { /* Closure around rq_reclamation_done */ grpc_closure rq_reclamation_done_closure; + /* This is only really usable for debugging: it's always a stale pointer, but + a stale pointer that might just be fresh enough to guide us to where the + reclamation system is stuck */ + grpc_closure *debug_only_last_initiated_reclaimer; + grpc_resource_user *debug_only_last_reclaimer_resource_user; + /* Roots of all resource user lists */ grpc_resource_user *roots[GRPC_RULIST_COUNT]; @@ -225,6 +231,7 @@ static void rulist_remove(grpc_resource_user *resource_user, grpc_rulist list) { resource_user->links[list].prev; resource_user->links[list].prev->links[list].next = resource_user->links[list].next; + resource_user->links[list].next = resource_user->links[list].prev = NULL; } /******************************************************************************* @@ -250,17 +257,16 @@ static void rq_step(grpc_exec_ctx *exec_ctx, void *rq, grpc_error *error) { } done: - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); } static void rq_step_sched(grpc_exec_ctx *exec_ctx, grpc_resource_quota *resource_quota) { if (resource_quota->step_scheduled) return; resource_quota->step_scheduled = true; - grpc_resource_quota_internal_ref(resource_quota); - grpc_combiner_execute_finally(exec_ctx, resource_quota->combiner, - &resource_quota->rq_step_closure, - GRPC_ERROR_NONE, false); + grpc_resource_quota_ref_internal(resource_quota); + grpc_closure_sched(exec_ctx, &resource_quota->rq_step_closure, + GRPC_ERROR_NONE); } /* returns true if all allocations are completed */ @@ -287,7 +293,7 @@ static bool rq_alloc(grpc_exec_ctx *exec_ctx, } if (resource_user->free_pool >= 0) { resource_user->allocating = false; - grpc_exec_ctx_enqueue_list(exec_ctx, &resource_user->on_allocated, NULL); + grpc_closure_list_sched(exec_ctx, &resource_user->on_allocated); gpr_mu_unlock(&resource_user->mu); } else { rulist_add_head(resource_user, GRPC_RULIST_AWAITING_ALLOCATION); @@ -338,8 +344,11 @@ static bool rq_reclaim(grpc_exec_ctx *exec_ctx, destructive ? "destructive" : "benign"); } resource_quota->reclaiming = true; - grpc_resource_quota_internal_ref(resource_quota); + grpc_resource_quota_ref_internal(resource_quota); grpc_closure *c = resource_user->reclaimers[destructive]; + GPR_ASSERT(c); + resource_quota->debug_only_last_reclaimer_resource_user = resource_user; + resource_quota->debug_only_last_initiated_reclaimer = c; resource_user->reclaimers[destructive] = NULL; grpc_closure_run(exec_ctx, c, GRPC_ERROR_NONE); return true; @@ -361,21 +370,10 @@ static void ru_slice_ref(void *p) { gpr_ref(&rc->refs); } -static void ru_slice_unref(void *p) { +static void ru_slice_unref(grpc_exec_ctx *exec_ctx, void *p) { ru_slice_refcount *rc = p; if (gpr_unref(&rc->refs)) { - /* TODO(ctiller): this is dangerous, but I think safe for now: - we have no guarantee here that we're at a safe point for creating an - execution context, but we have no way of writing this code otherwise. - In the future: consider lifting grpc_slice to grpc, and offering an - internal_{ref,unref} pair that is execution context aware. - Alternatively, - make exec_ctx be thread local and 'do the right thing' (whatever that - is) - if NULL */ - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_resource_user_free(&exec_ctx, rc->resource_user, rc->size); - grpc_exec_ctx_finish(&exec_ctx); + grpc_resource_user_free(exec_ctx, rc->resource_user, rc->size); gpr_free(rc); } } @@ -429,7 +427,7 @@ static bool ru_post_reclaimer(grpc_exec_ctx *exec_ctx, resource_user->new_reclaimers[destructive] = NULL; GPR_ASSERT(resource_user->reclaimers[destructive] == NULL); if (gpr_atm_acq_load(&resource_user->shutdown) > 0) { - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_CANCELLED); return false; } resource_user->reclaimers[destructive] = closure; @@ -470,12 +468,14 @@ static void ru_post_destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *ru, static void ru_shutdown(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) { grpc_resource_user *resource_user = ru; - grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[0], - GRPC_ERROR_CANCELLED, NULL); - grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[1], - GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, resource_user->reclaimers[0], + GRPC_ERROR_CANCELLED); + grpc_closure_sched(exec_ctx, resource_user->reclaimers[1], + GRPC_ERROR_CANCELLED); resource_user->reclaimers[0] = NULL; resource_user->reclaimers[1] = NULL; + rulist_remove(resource_user, GRPC_RULIST_RECLAIMER_BENIGN); + rulist_remove(resource_user, GRPC_RULIST_RECLAIMER_DESTRUCTIVE); } static void ru_destroy(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) { @@ -484,15 +484,15 @@ static void ru_destroy(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) { for (int i = 0; i < GRPC_RULIST_COUNT; i++) { rulist_remove(resource_user, (grpc_rulist)i); } - grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[0], - GRPC_ERROR_CANCELLED, NULL); - grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[1], - GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, resource_user->reclaimers[0], + GRPC_ERROR_CANCELLED); + grpc_closure_sched(exec_ctx, resource_user->reclaimers[1], + GRPC_ERROR_CANCELLED); if (resource_user->free_pool != 0) { resource_user->resource_quota->free_pool += resource_user->free_pool; rq_step_sched(exec_ctx, resource_user->resource_quota); } - grpc_resource_quota_internal_unref(exec_ctx, resource_user->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_user->resource_quota); gpr_mu_destroy(&resource_user->mu); gpr_free(resource_user->name); gpr_free(resource_user); @@ -528,7 +528,7 @@ static void rq_resize(grpc_exec_ctx *exec_ctx, void *args, grpc_error *error) { a->resource_quota->size += delta; a->resource_quota->free_pool += delta; rq_step_sched(exec_ctx, a->resource_quota); - grpc_resource_quota_internal_unref(exec_ctx, a->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, a->resource_quota); gpr_free(a); } @@ -537,7 +537,7 @@ static void rq_reclamation_done(grpc_exec_ctx *exec_ctx, void *rq, grpc_resource_quota *resource_quota = rq; resource_quota->reclaiming = false; rq_step_sched(exec_ctx, resource_quota); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); } /******************************************************************************* @@ -559,16 +559,19 @@ grpc_resource_quota *grpc_resource_quota_create(const char *name) { gpr_asprintf(&resource_quota->name, "anonymous_pool_%" PRIxPTR, (intptr_t)resource_quota); } - grpc_closure_init(&resource_quota->rq_step_closure, rq_step, resource_quota); + grpc_closure_init( + &resource_quota->rq_step_closure, rq_step, resource_quota, + grpc_combiner_finally_scheduler(resource_quota->combiner, true)); grpc_closure_init(&resource_quota->rq_reclamation_done_closure, - rq_reclamation_done, resource_quota); + rq_reclamation_done, resource_quota, + grpc_combiner_scheduler(resource_quota->combiner, false)); for (int i = 0; i < GRPC_RULIST_COUNT; i++) { resource_quota->roots[i] = NULL; } return resource_quota; } -void grpc_resource_quota_internal_unref(grpc_exec_ctx *exec_ctx, +void grpc_resource_quota_unref_internal(grpc_exec_ctx *exec_ctx, grpc_resource_quota *resource_quota) { if (gpr_unref(&resource_quota->refs)) { grpc_combiner_destroy(exec_ctx, resource_quota->combiner); @@ -580,11 +583,11 @@ void grpc_resource_quota_internal_unref(grpc_exec_ctx *exec_ctx, /* Public API */ void grpc_resource_quota_unref(grpc_resource_quota *resource_quota) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_resource_quota_internal_unref(&exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(&exec_ctx, resource_quota); grpc_exec_ctx_finish(&exec_ctx); } -grpc_resource_quota *grpc_resource_quota_internal_ref( +grpc_resource_quota *grpc_resource_quota_ref_internal( grpc_resource_quota *resource_quota) { gpr_ref(&resource_quota->refs); return resource_quota; @@ -592,7 +595,7 @@ grpc_resource_quota *grpc_resource_quota_internal_ref( /* Public API */ void grpc_resource_quota_ref(grpc_resource_quota *resource_quota) { - grpc_resource_quota_internal_ref(resource_quota); + grpc_resource_quota_ref_internal(resource_quota); } /* Public API */ @@ -600,11 +603,10 @@ void grpc_resource_quota_resize(grpc_resource_quota *resource_quota, size_t size) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; rq_resize_args *a = gpr_malloc(sizeof(*a)); - a->resource_quota = grpc_resource_quota_internal_ref(resource_quota); + a->resource_quota = grpc_resource_quota_ref_internal(resource_quota); a->size = (int64_t)size; - grpc_closure_init(&a->closure, rq_resize, a); - grpc_combiner_execute(&exec_ctx, resource_quota->combiner, &a->closure, - GRPC_ERROR_NONE, false); + grpc_closure_init(&a->closure, rq_resize, a, grpc_schedule_on_exec_ctx); + grpc_closure_sched(&exec_ctx, &a->closure, GRPC_ERROR_NONE); grpc_exec_ctx_finish(&exec_ctx); } @@ -617,7 +619,7 @@ grpc_resource_quota *grpc_resource_quota_from_channel_args( for (size_t i = 0; i < channel_args->num_args; i++) { if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) { if (channel_args->args[i].type == GRPC_ARG_POINTER) { - return grpc_resource_quota_internal_ref( + return grpc_resource_quota_ref_internal( channel_args->args[i].value.pointer.p); } else { gpr_log(GPR_DEBUG, GRPC_ARG_RESOURCE_QUOTA " should be a pointer"); @@ -632,7 +634,9 @@ static void *rq_copy(void *rq) { return rq; } -static void rq_destroy(void *rq) { grpc_resource_quota_unref(rq); } +static void rq_destroy(grpc_exec_ctx *exec_ctx, void *rq) { + grpc_resource_quota_unref_internal(exec_ctx, rq); +} static int rq_cmp(void *a, void *b) { return GPR_ICMP(a, b); } @@ -649,17 +653,21 @@ grpc_resource_user *grpc_resource_user_create( grpc_resource_quota *resource_quota, const char *name) { grpc_resource_user *resource_user = gpr_malloc(sizeof(*resource_user)); resource_user->resource_quota = - grpc_resource_quota_internal_ref(resource_quota); + grpc_resource_quota_ref_internal(resource_quota); grpc_closure_init(&resource_user->allocate_closure, &ru_allocate, - resource_user); + resource_user, + grpc_combiner_scheduler(resource_quota->combiner, false)); grpc_closure_init(&resource_user->add_to_free_pool_closure, - &ru_add_to_free_pool, resource_user); + &ru_add_to_free_pool, resource_user, + grpc_combiner_scheduler(resource_quota->combiner, false)); grpc_closure_init(&resource_user->post_reclaimer_closure[0], - &ru_post_benign_reclaimer, resource_user); + &ru_post_benign_reclaimer, resource_user, + grpc_combiner_scheduler(resource_quota->combiner, false)); grpc_closure_init(&resource_user->post_reclaimer_closure[1], - &ru_post_destructive_reclaimer, resource_user); - grpc_closure_init(&resource_user->destroy_closure, &ru_destroy, - resource_user); + &ru_post_destructive_reclaimer, resource_user, + grpc_combiner_scheduler(resource_quota->combiner, false)); + grpc_closure_init(&resource_user->destroy_closure, &ru_destroy, resource_user, + grpc_combiner_scheduler(resource_quota->combiner, false)); gpr_mu_init(&resource_user->mu); gpr_atm_rel_store(&resource_user->refs, 1); gpr_atm_rel_store(&resource_user->shutdown, 0); @@ -694,9 +702,8 @@ static void ru_unref_by(grpc_exec_ctx *exec_ctx, gpr_atm old = gpr_atm_full_fetch_add(&resource_user->refs, -amount); GPR_ASSERT(old >= amount); if (old == amount) { - grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner, - &resource_user->destroy_closure, GRPC_ERROR_NONE, - false); + grpc_closure_sched(exec_ctx, &resource_user->destroy_closure, + GRPC_ERROR_NONE); } } @@ -712,9 +719,12 @@ void grpc_resource_user_unref(grpc_exec_ctx *exec_ctx, void grpc_resource_user_shutdown(grpc_exec_ctx *exec_ctx, grpc_resource_user *resource_user) { if (gpr_atm_full_fetch_add(&resource_user->shutdown, 1) == 0) { - grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner, - grpc_closure_create(ru_shutdown, resource_user), - GRPC_ERROR_NONE, false); + grpc_closure_sched(exec_ctx, + grpc_closure_create( + ru_shutdown, resource_user, + grpc_combiner_scheduler( + resource_user->resource_quota->combiner, false)), + GRPC_ERROR_NONE); } } @@ -734,12 +744,11 @@ void grpc_resource_user_alloc(grpc_exec_ctx *exec_ctx, GRPC_ERROR_NONE); if (!resource_user->allocating) { resource_user->allocating = true; - grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner, - &resource_user->allocate_closure, GRPC_ERROR_NONE, - false); + grpc_closure_sched(exec_ctx, &resource_user->allocate_closure, + GRPC_ERROR_NONE); } } else { - grpc_exec_ctx_sched(exec_ctx, optional_on_done, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, optional_on_done, GRPC_ERROR_NONE); } gpr_mu_unlock(&resource_user->mu); } @@ -758,9 +767,8 @@ void grpc_resource_user_free(grpc_exec_ctx *exec_ctx, if (is_bigger_than_zero && was_zero_or_negative && !resource_user->added_to_free_pool) { resource_user->added_to_free_pool = true; - grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner, - &resource_user->add_to_free_pool_closure, - GRPC_ERROR_NONE, false); + grpc_closure_sched(exec_ctx, &resource_user->add_to_free_pool_closure, + GRPC_ERROR_NONE); } gpr_mu_unlock(&resource_user->mu); ru_unref_by(exec_ctx, resource_user, (gpr_atm)size); @@ -772,9 +780,9 @@ void grpc_resource_user_post_reclaimer(grpc_exec_ctx *exec_ctx, grpc_closure *closure) { GPR_ASSERT(resource_user->new_reclaimers[destructive] == NULL); resource_user->new_reclaimers[destructive] = closure; - grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner, - &resource_user->post_reclaimer_closure[destructive], - GRPC_ERROR_NONE, false); + grpc_closure_sched(exec_ctx, + &resource_user->post_reclaimer_closure[destructive], + GRPC_ERROR_NONE); } void grpc_resource_user_finish_reclamation(grpc_exec_ctx *exec_ctx, @@ -783,18 +791,20 @@ void grpc_resource_user_finish_reclamation(grpc_exec_ctx *exec_ctx, gpr_log(GPR_DEBUG, "RQ %s %s: reclamation complete", resource_user->resource_quota->name, resource_user->name); } - grpc_combiner_execute( - exec_ctx, resource_user->resource_quota->combiner, - &resource_user->resource_quota->rq_reclamation_done_closure, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, &resource_user->resource_quota->rq_reclamation_done_closure, + GRPC_ERROR_NONE); } void grpc_resource_user_slice_allocator_init( grpc_resource_user_slice_allocator *slice_allocator, grpc_resource_user *resource_user, grpc_iomgr_cb_func cb, void *p) { - grpc_closure_init(&slice_allocator->on_allocated, ru_allocated_slices, - slice_allocator); - grpc_closure_init(&slice_allocator->on_done, cb, p); + grpc_closure_init( + &slice_allocator->on_allocated, ru_allocated_slices, slice_allocator, + grpc_combiner_scheduler(resource_user->resource_quota->combiner, false)); + grpc_closure_init( + &slice_allocator->on_done, cb, p, + grpc_combiner_scheduler(resource_user->resource_quota->combiner, false)); slice_allocator->resource_user = resource_user; } diff --git a/src/core/lib/iomgr/resource_quota.h b/src/core/lib/iomgr/resource_quota.h index 0181fd978b..ef286c2fce 100644 --- a/src/core/lib/iomgr/resource_quota.h +++ b/src/core/lib/iomgr/resource_quota.h @@ -77,9 +77,9 @@ extern int grpc_resource_quota_trace; -grpc_resource_quota *grpc_resource_quota_internal_ref( +grpc_resource_quota *grpc_resource_quota_ref_internal( grpc_resource_quota *resource_quota); -void grpc_resource_quota_internal_unref(grpc_exec_ctx *exec_ctx, +void grpc_resource_quota_unref_internal(grpc_exec_ctx *exec_ctx, grpc_resource_quota *resource_quota); grpc_resource_quota *grpc_resource_quota_from_channel_args( const grpc_channel_args *channel_args); diff --git a/src/core/lib/iomgr/socket_mutator.c b/src/core/lib/iomgr/socket_mutator.c index 8b1efb6bab..34b61dcfe5 100644 --- a/src/core/lib/iomgr/socket_mutator.c +++ b/src/core/lib/iomgr/socket_mutator.c @@ -76,7 +76,7 @@ static void *socket_mutator_arg_copy(void *p) { return grpc_socket_mutator_ref(p); } -static void socket_mutator_arg_destroy(void *p) { +static void socket_mutator_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) { grpc_socket_mutator_unref(p); } diff --git a/src/core/lib/iomgr/socket_windows.c b/src/core/lib/iomgr/socket_windows.c index 54911e0e31..2f2e02f715 100644 --- a/src/core/lib/iomgr/socket_windows.c +++ b/src/core/lib/iomgr/socket_windows.c @@ -131,7 +131,7 @@ static void socket_notify_on_iocp(grpc_exec_ctx *exec_ctx, gpr_mu_lock(&socket->state_mu); if (info->has_pending_iocp) { info->has_pending_iocp = 0; - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); } else { info->closure = closure; } @@ -154,7 +154,7 @@ void grpc_socket_become_ready(grpc_exec_ctx *exec_ctx, grpc_winsocket *socket, GPR_ASSERT(!info->has_pending_iocp); gpr_mu_lock(&socket->state_mu); if (info->closure) { - grpc_exec_ctx_sched(exec_ctx, info->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, info->closure, GRPC_ERROR_NONE); info->closure = NULL; } else { info->has_pending_iocp = 1; diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c index a3a70a8ed7..9a77c92016 100644 --- a/src/core/lib/iomgr/tcp_client_posix.c +++ b/src/core/lib/iomgr/tcp_client_posix.c @@ -65,6 +65,7 @@ typedef struct { grpc_fd *fd; gpr_timespec deadline; grpc_timer alarm; + grpc_closure on_alarm; int refs; grpc_closure write_closure; grpc_pollset_set *interested_parties; @@ -128,7 +129,7 @@ static void tc_on_alarm(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) { if (done) { gpr_mu_destroy(&ac->mu); gpr_free(ac->addr_str); - grpc_channel_args_destroy(ac->channel_args); + grpc_channel_args_destroy(exec_ctx, ac->channel_args); gpr_free(ac); } } @@ -148,8 +149,8 @@ grpc_endpoint *grpc_tcp_client_create_from_fd( &channel_args->args[i], options); } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) { - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); - resource_quota = grpc_resource_quota_internal_ref( + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); + resource_quota = grpc_resource_quota_ref_internal( channel_args->args[i].value.pointer.p); } } @@ -157,7 +158,7 @@ grpc_endpoint *grpc_tcp_client_create_from_fd( grpc_endpoint *ep = grpc_tcp_create(fd, resource_quota, tcp_read_chunk_size, addr_str); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); return ep; } @@ -262,10 +263,10 @@ finish: if (done) { gpr_mu_destroy(&ac->mu); gpr_free(ac->addr_str); - grpc_channel_args_destroy(ac->channel_args); + grpc_channel_args_destroy(exec_ctx, ac->channel_args); gpr_free(ac); } - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); + grpc_closure_sched(exec_ctx, closure, error); } static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, @@ -294,7 +295,7 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, error = grpc_create_dualstack_socket(addr, SOCK_STREAM, 0, &dsmode, &fd); if (error != GRPC_ERROR_NONE) { - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); + grpc_closure_sched(exec_ctx, closure, error); return; } if (dsmode == GRPC_DSMODE_IPV4) { @@ -303,7 +304,7 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, addr = &addr4_copy; } if ((error = prepare_socket(addr, fd, channel_args)) != GRPC_ERROR_NONE) { - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); + grpc_closure_sched(exec_ctx, closure, error); return; } @@ -321,14 +322,13 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, if (err >= 0) { *ep = grpc_tcp_client_create_from_fd(exec_ctx, fdobj, channel_args, addr_str); - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); goto done; } if (errno != EWOULDBLOCK && errno != EINPROGRESS) { grpc_fd_orphan(exec_ctx, fdobj, NULL, NULL, "tcp_client_connect_error"); - grpc_exec_ctx_sched(exec_ctx, closure, GRPC_OS_ERROR(errno, "connect"), - NULL); + grpc_closure_sched(exec_ctx, closure, GRPC_OS_ERROR(errno, "connect")); goto done; } @@ -343,8 +343,8 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, addr_str = NULL; gpr_mu_init(&ac->mu); ac->refs = 2; - ac->write_closure.cb = on_writable; - ac->write_closure.cb_arg = ac; + grpc_closure_init(&ac->write_closure, on_writable, ac, + grpc_schedule_on_exec_ctx); ac->channel_args = grpc_channel_args_copy(channel_args); if (grpc_tcp_trace) { @@ -353,9 +353,10 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, } gpr_mu_lock(&ac->mu); + grpc_closure_init(&ac->on_alarm, tc_on_alarm, ac, grpc_schedule_on_exec_ctx); grpc_timer_init(exec_ctx, &ac->alarm, gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - tc_on_alarm, ac, gpr_now(GPR_CLOCK_MONOTONIC)); + &ac->on_alarm, gpr_now(GPR_CLOCK_MONOTONIC)); grpc_fd_notify_on_write(exec_ctx, ac->fd, &ac->write_closure); gpr_mu_unlock(&ac->mu); diff --git a/src/core/lib/iomgr/tcp_client_uv.c b/src/core/lib/iomgr/tcp_client_uv.c index b07f9ceffa..5225a5402b 100644 --- a/src/core/lib/iomgr/tcp_client_uv.c +++ b/src/core/lib/iomgr/tcp_client_uv.c @@ -49,6 +49,7 @@ typedef struct grpc_uv_tcp_connect { uv_connect_t connect_req; grpc_timer alarm; + grpc_closure on_alarm; uv_tcp_t *tcp_handle; grpc_closure *closure; grpc_endpoint **endpoint; @@ -59,7 +60,7 @@ typedef struct grpc_uv_tcp_connect { static void uv_tcp_connect_cleanup(grpc_exec_ctx *exec_ctx, grpc_uv_tcp_connect *connect) { - grpc_resource_quota_internal_unref(exec_ctx, connect->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, connect->resource_quota); gpr_free(connect); } @@ -110,7 +111,7 @@ static void uv_tc_on_connect(uv_connect_t *req, int status) { if (done) { uv_tcp_connect_cleanup(&exec_ctx, connect); } - grpc_exec_ctx_sched(&exec_ctx, closure, error, NULL); + grpc_closure_sched(&exec_ctx, closure, error); grpc_exec_ctx_finish(&exec_ctx); } @@ -128,8 +129,8 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, if (channel_args != NULL) { for (size_t i = 0; i < channel_args->num_args; i++) { if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) { - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); - resource_quota = grpc_resource_quota_internal_ref( + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); + resource_quota = grpc_resource_quota_ref_internal( channel_args->args[i].value.pointer.p); } } @@ -148,9 +149,11 @@ static void tcp_client_connect_impl(grpc_exec_ctx *exec_ctx, uv_tcp_connect(&connect->connect_req, connect->tcp_handle, (const struct sockaddr *)resolved_addr->addr, uv_tc_on_connect); + grpc_closure_init(&connect->on_alarm, uv_tc_on_alarm, connect, + grpc_schedule_on_exec_ctx); grpc_timer_init(exec_ctx, &connect->alarm, gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - uv_tc_on_alarm, connect, gpr_now(GPR_CLOCK_MONOTONIC)); + &connect->on_alarm, gpr_now(GPR_CLOCK_MONOTONIC)); } // overridden by api_fuzzer.c diff --git a/src/core/lib/iomgr/tcp_client_windows.c b/src/core/lib/iomgr/tcp_client_windows.c index 1127588ebc..1e84ec3a1e 100644 --- a/src/core/lib/iomgr/tcp_client_windows.c +++ b/src/core/lib/iomgr/tcp_client_windows.c @@ -58,6 +58,7 @@ typedef struct { grpc_winsocket *socket; gpr_timespec deadline; grpc_timer alarm; + grpc_closure on_alarm; char *addr_name; int refs; grpc_closure on_connect; @@ -71,7 +72,7 @@ static void async_connect_unlock_and_cleanup(grpc_exec_ctx *exec_ctx, int done = (--ac->refs == 0); gpr_mu_unlock(&ac->mu); if (done) { - grpc_resource_quota_internal_unref(exec_ctx, ac->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, ac->resource_quota); gpr_mu_destroy(&ac->mu); gpr_free(ac->addr_name); gpr_free(ac); @@ -129,7 +130,7 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) { async_connect_unlock_and_cleanup(exec_ctx, ac, socket); /* If the connection was aborted, the callback was already called when the deadline was met. */ - grpc_exec_ctx_sched(exec_ctx, on_done, error, NULL); + grpc_closure_sched(exec_ctx, on_done, error); } /* Tries to issue one async connection, then schedules both an IOCP @@ -157,8 +158,8 @@ void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_done, if (channel_args != NULL) { for (size_t i = 0; i < channel_args->num_args; i++) { if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_RESOURCE_QUOTA)) { - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); - resource_quota = grpc_resource_quota_internal_ref( + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); + resource_quota = grpc_resource_quota_ref_internal( channel_args->args[i].value.pointer.p); } } @@ -227,9 +228,10 @@ void grpc_tcp_client_connect(grpc_exec_ctx *exec_ctx, grpc_closure *on_done, ac->addr_name = grpc_sockaddr_to_uri(addr); ac->endpoint = endpoint; ac->resource_quota = resource_quota; - grpc_closure_init(&ac->on_connect, on_connect, ac); + grpc_closure_init(&ac->on_connect, on_connect, ac, grpc_schedule_on_exec_ctx); - grpc_timer_init(exec_ctx, &ac->alarm, deadline, on_alarm, ac, + grpc_closure_init(&ac->on_alarm, on_alarm, ac, grpc_schedule_on_exec_ctx); + grpc_timer_init(exec_ctx, &ac->alarm, deadline, &ac->on_alarm, gpr_now(GPR_CLOCK_MONOTONIC)); grpc_socket_notify_on_write(exec_ctx, socket, &ac->on_connect); return; @@ -246,8 +248,8 @@ failure: } else if (sock != INVALID_SOCKET) { closesocket(sock); } - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); - grpc_exec_ctx_sched(exec_ctx, on_done, final_error, NULL); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); + grpc_closure_sched(exec_ctx, on_done, final_error); } #endif /* GRPC_WINSOCK_SOCKET */ diff --git a/src/core/lib/iomgr/tcp_posix.c b/src/core/lib/iomgr/tcp_posix.c index 12a4797e6f..ece44978b0 100644 --- a/src/core/lib/iomgr/tcp_posix.c +++ b/src/core/lib/iomgr/tcp_posix.c @@ -56,6 +56,7 @@ #include "src/core/lib/debug/trace.h" #include "src/core/lib/iomgr/ev_posix.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" @@ -107,6 +108,12 @@ typedef struct { grpc_resource_user_slice_allocator slice_allocator; } grpc_tcp; +static grpc_error *tcp_annotate_error(grpc_error *src_error, grpc_tcp *tcp) { + return grpc_error_set_str( + grpc_error_set_int(src_error, GRPC_ERROR_INT_FD, tcp->fd), + GRPC_ERROR_STR_TARGET_ADDRESS, tcp->peer_string); +} + static void tcp_handle_read(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */, grpc_error *error); static void tcp_handle_write(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */, @@ -121,7 +128,7 @@ static void tcp_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { static void tcp_free(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) { grpc_fd_orphan(exec_ctx, tcp->em_fd, tcp->release_fd_cb, tcp->release_fd, "tcp_unref_orphan"); - grpc_slice_buffer_destroy(&tcp->last_read_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &tcp->last_read_buffer); grpc_resource_user_unref(exec_ctx, tcp->resource_user); gpr_free(tcp->peer_string); gpr_free(tcp); @@ -162,7 +169,7 @@ static void tcp_ref(grpc_tcp *tcp) { gpr_ref(&tcp->refcount); } static void tcp_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) { grpc_network_status_unregister_endpoint(ep); grpc_tcp *tcp = (grpc_tcp *)ep; - grpc_slice_buffer_reset_and_unref(&tcp->last_read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &tcp->last_read_buffer); TCP_UNREF(exec_ctx, tcp, "destroy"); } @@ -229,14 +236,17 @@ static void tcp_do_read(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) { /* We've consumed the edge, request a new one */ grpc_fd_notify_on_read(exec_ctx, tcp->em_fd, &tcp->read_closure); } else { - grpc_slice_buffer_reset_and_unref(tcp->incoming_buffer); - call_read_cb(exec_ctx, tcp, GRPC_OS_ERROR(errno, "recvmsg")); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, + tcp->incoming_buffer); + call_read_cb(exec_ctx, tcp, + tcp_annotate_error(GRPC_OS_ERROR(errno, "recvmsg"), tcp)); TCP_UNREF(exec_ctx, tcp, "read"); } } else if (read_bytes == 0) { /* 0 read size ==> end of stream */ - grpc_slice_buffer_reset_and_unref(tcp->incoming_buffer); - call_read_cb(exec_ctx, tcp, GRPC_ERROR_CREATE("Socket closed")); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, tcp->incoming_buffer); + call_read_cb(exec_ctx, tcp, + tcp_annotate_error(GRPC_ERROR_CREATE("Socket closed"), tcp)); TCP_UNREF(exec_ctx, tcp, "read"); } else { GPR_ASSERT((size_t)read_bytes <= tcp->incoming_buffer->length); @@ -260,8 +270,9 @@ static void tcp_read_allocation_done(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { grpc_tcp *tcp = tcpp; if (error != GRPC_ERROR_NONE) { - grpc_slice_buffer_reset_and_unref(tcp->incoming_buffer); - grpc_slice_buffer_reset_and_unref(&tcp->last_read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, tcp->incoming_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, + &tcp->last_read_buffer); call_read_cb(exec_ctx, tcp, GRPC_ERROR_REF(error)); TCP_UNREF(exec_ctx, tcp, "read"); } else { @@ -286,8 +297,9 @@ static void tcp_handle_read(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */, GPR_ASSERT(!tcp->finished_edge); if (error != GRPC_ERROR_NONE) { - grpc_slice_buffer_reset_and_unref(tcp->incoming_buffer); - grpc_slice_buffer_reset_and_unref(&tcp->last_read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, tcp->incoming_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, + &tcp->last_read_buffer); call_read_cb(exec_ctx, tcp, GRPC_ERROR_REF(error)); TCP_UNREF(exec_ctx, tcp, "read"); } else { @@ -301,14 +313,14 @@ static void tcp_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, GPR_ASSERT(tcp->read_cb == NULL); tcp->read_cb = cb; tcp->incoming_buffer = incoming_buffer; - grpc_slice_buffer_reset_and_unref(incoming_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, incoming_buffer); grpc_slice_buffer_swap(incoming_buffer, &tcp->last_read_buffer); TCP_REF(tcp, "read"); if (tcp->finished_edge) { tcp->finished_edge = false; grpc_fd_notify_on_read(exec_ctx, tcp->em_fd, &tcp->read_closure); } else { - grpc_exec_ctx_sched(exec_ctx, &tcp->read_closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &tcp->read_closure, GRPC_ERROR_NONE); } } @@ -365,8 +377,13 @@ static bool tcp_flush(grpc_tcp *tcp, grpc_error **error) { tcp->outgoing_slice_idx = unwind_slice_idx; tcp->outgoing_byte_idx = unwind_byte_idx; return false; + } else if (errno == EPIPE) { + *error = grpc_error_set_int(GRPC_OS_ERROR(errno, "sendmsg"), + GRPC_ERROR_INT_GRPC_STATUS, + GRPC_STATUS_UNAVAILABLE); + return true; } else { - *error = GRPC_OS_ERROR(errno, "sendmsg"); + *error = tcp_annotate_error(GRPC_OS_ERROR(errno, "sendmsg"), tcp); return true; } } @@ -447,10 +464,10 @@ static void tcp_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, if (buf->length == 0) { GPR_TIMER_END("tcp_write", 0); - grpc_exec_ctx_sched(exec_ctx, cb, grpc_fd_is_shutdown(tcp->em_fd) - ? GRPC_ERROR_CREATE("EOF") - : GRPC_ERROR_NONE, - NULL); + grpc_closure_sched(exec_ctx, cb, + grpc_fd_is_shutdown(tcp->em_fd) + ? tcp_annotate_error(GRPC_ERROR_CREATE("EOF"), tcp) + : GRPC_ERROR_NONE); return; } tcp->outgoing_buffer = buf; @@ -470,7 +487,7 @@ static void tcp_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, gpr_log(GPR_DEBUG, "write: %s", str); grpc_error_free_string(str); } - grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + grpc_closure_sched(exec_ctx, cb, error); } GPR_TIMER_END("tcp_write", 0); @@ -538,10 +555,10 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd, gpr_ref_init(&tcp->refcount, 1); gpr_atm_no_barrier_store(&tcp->shutdown_count, 0); tcp->em_fd = em_fd; - tcp->read_closure.cb = tcp_handle_read; - tcp->read_closure.cb_arg = tcp; - tcp->write_closure.cb = tcp_handle_write; - tcp->write_closure.cb_arg = tcp; + grpc_closure_init(&tcp->read_closure, tcp_handle_read, tcp, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&tcp->write_closure, tcp_handle_write, tcp, + grpc_schedule_on_exec_ctx); grpc_slice_buffer_init(&tcp->last_read_buffer); tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string); grpc_resource_user_slice_allocator_init( @@ -565,7 +582,7 @@ void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, GPR_ASSERT(ep->vtable == &vtable); tcp->release_fd = fd; tcp->release_fd_cb = done; - grpc_slice_buffer_reset_and_unref(&tcp->last_read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &tcp->last_read_buffer); TCP_UNREF(exec_ctx, tcp, "destroy"); } diff --git a/src/core/lib/iomgr/tcp_server.h b/src/core/lib/iomgr/tcp_server.h index 6eba8c4057..437a94beff 100644 --- a/src/core/lib/iomgr/tcp_server.h +++ b/src/core/lib/iomgr/tcp_server.h @@ -52,7 +52,8 @@ typedef struct grpc_tcp_server_acceptor { unsigned fd_index; } grpc_tcp_server_acceptor; -/* Called for newly connected TCP connections. */ +/* Called for newly connected TCP connections. + Takes ownership of acceptor. */ typedef void (*grpc_tcp_server_cb)(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *ep, grpc_pollset *accepting_pollset, diff --git a/src/core/lib/iomgr/tcp_server_posix.c b/src/core/lib/iomgr/tcp_server_posix.c index 7e2fb0f1f9..20efb678b2 100644 --- a/src/core/lib/iomgr/tcp_server_posix.c +++ b/src/core/lib/iomgr/tcp_server_posix.c @@ -167,18 +167,18 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, s->so_reuseport = has_so_reuseport && (args->args[i].value.integer != 0); } else { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); return GRPC_ERROR_CREATE(GRPC_ARG_ALLOW_REUSEPORT " must be an integer"); } } else if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) { if (args->args[i].type == GRPC_ARG_POINTER) { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); s->resource_quota = - grpc_resource_quota_internal_ref(args->args[i].value.pointer.p); + grpc_resource_quota_ref_internal(args->args[i].value.pointer.p); } else { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA " must be a pointer to a buffer pool"); @@ -208,7 +208,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { GPR_ASSERT(s->shutdown); gpr_mu_unlock(&s->mu); if (s->shutdown_complete != NULL) { - grpc_exec_ctx_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); } gpr_mu_destroy(&s->mu); @@ -219,7 +219,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { gpr_free(sp); } - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); } @@ -254,8 +254,8 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { grpc_tcp_listener *sp; for (sp = s->head; sp; sp = sp->next) { grpc_unlink_if_unix_domain_socket(&sp->addr); - sp->destroyed_closure.cb = destroyed_port; - sp->destroyed_closure.cb_arg = s; + grpc_closure_init(&sp->destroyed_closure, destroyed_port, s, + grpc_schedule_on_exec_ctx); grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL, "tcp_listener_shutdown"); } @@ -381,16 +381,12 @@ error: /* event manager callback when reads are ready */ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) { grpc_tcp_listener *sp = arg; - grpc_tcp_server_acceptor acceptor = {sp->server, sp->port_index, - sp->fd_index}; - grpc_pollset *read_notifier_pollset = NULL; - grpc_fd *fdobj; if (err != GRPC_ERROR_NONE) { goto error; } - read_notifier_pollset = + grpc_pollset *read_notifier_pollset = sp->server->pollsets[(size_t)gpr_atm_no_barrier_fetch_add( &sp->server->next_pollset_to_assign, 1) % sp->server->pollset_count]; @@ -426,7 +422,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) { gpr_log(GPR_DEBUG, "SERVER_CONNECT: incoming connection: %s", addr_str); } - fdobj = grpc_fd_create(fd, name); + grpc_fd *fdobj = grpc_fd_create(fd, name); if (read_notifier_pollset == NULL) { gpr_log(GPR_ERROR, "Read notifier pollset is not set on the fd"); @@ -435,11 +431,17 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *err) { grpc_pollset_add_fd(exec_ctx, read_notifier_pollset, fdobj); + // Create acceptor. + grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); + acceptor->from_server = sp->server; + acceptor->port_index = sp->port_index; + acceptor->fd_index = sp->fd_index; + sp->server->on_accept_cb( exec_ctx, sp->server->on_accept_cb_arg, grpc_tcp_create(fdobj, sp->server->resource_quota, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, addr_str), - read_notifier_pollset, &acceptor); + read_notifier_pollset, acceptor); gpr_free(name); gpr_free(addr_str); @@ -721,8 +723,8 @@ void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s, "clone_port", clone_port(sp, (unsigned)(pollset_count - 1)))); for (i = 0; i < pollset_count; i++) { grpc_pollset_add_fd(exec_ctx, pollsets[i], sp->emfd); - sp->read_closure.cb = on_read; - sp->read_closure.cb_arg = sp; + grpc_closure_init(&sp->read_closure, on_read, sp, + grpc_schedule_on_exec_ctx); grpc_fd_notify_on_read(exec_ctx, sp->emfd, &sp->read_closure); s->active_ports++; sp = sp->next; @@ -731,8 +733,8 @@ void grpc_tcp_server_start(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s, for (i = 0; i < pollset_count; i++) { grpc_pollset_add_fd(exec_ctx, pollsets[i], sp->emfd); } - sp->read_closure.cb = on_read; - sp->read_closure.cb_arg = sp; + grpc_closure_init(&sp->read_closure, on_read, sp, + grpc_schedule_on_exec_ctx); grpc_fd_notify_on_read(exec_ctx, sp->emfd, &sp->read_closure); s->active_ports++; sp = sp->next; @@ -758,7 +760,7 @@ void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { if (gpr_unref(&s->refs)) { grpc_tcp_server_shutdown_listeners(exec_ctx, s); gpr_mu_lock(&s->mu); - grpc_exec_ctx_enqueue_list(exec_ctx, &s->shutdown_starting, NULL); + grpc_closure_list_sched(exec_ctx, &s->shutdown_starting); gpr_mu_unlock(&s->mu); tcp_server_destroy(exec_ctx, s); } diff --git a/src/core/lib/iomgr/tcp_server_uv.c b/src/core/lib/iomgr/tcp_server_uv.c index b5b9b92a20..eed2773f8a 100644 --- a/src/core/lib/iomgr/tcp_server_uv.c +++ b/src/core/lib/iomgr/tcp_server_uv.c @@ -89,11 +89,11 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) { if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) { if (args->args[i].type == GRPC_ARG_POINTER) { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); s->resource_quota = - grpc_resource_quota_internal_ref(args->args[i].value.pointer.p); + grpc_resource_quota_ref_internal(args->args[i].value.pointer.p); } else { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA " must be a pointer to a buffer pool"); @@ -126,7 +126,7 @@ void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s, static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { if (s->shutdown_complete != NULL) { - grpc_exec_ctx_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); } while (s->head) { @@ -136,7 +136,7 @@ static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { gpr_free(sp->handle); gpr_free(sp); } - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); } @@ -170,7 +170,7 @@ void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { if (gpr_unref(&s->refs)) { /* Complete shutdown_starting work before destroying. */ grpc_exec_ctx local_exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_exec_ctx_enqueue_list(&local_exec_ctx, &s->shutdown_starting, NULL); + grpc_closure_list_sched(&local_exec_ctx, &s->shutdown_starting); if (exec_ctx == NULL) { grpc_exec_ctx_flush(&local_exec_ctx); tcp_server_destroy(&local_exec_ctx, s); @@ -188,7 +188,6 @@ static void accepted_connection_close_cb(uv_handle_t *handle) { static void on_connect(uv_stream_t *server, int status) { grpc_tcp_listener *sp = (grpc_tcp_listener *)server->data; - grpc_tcp_server_acceptor acceptor = {sp->server, sp->port_index, 0}; uv_tcp_t *client; grpc_endpoint *ep = NULL; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; @@ -201,6 +200,7 @@ static void on_connect(uv_stream_t *server, int status) { uv_strerror(status)); return; } + client = gpr_malloc(sizeof(uv_tcp_t)); uv_tcp_init(uv_default_loop(), client); // UV documentation says this is guaranteed to succeed @@ -220,8 +220,13 @@ static void on_connect(uv_stream_t *server, int status) { gpr_log(GPR_INFO, "uv_tcp_getpeername error: %s", uv_strerror(status)); } ep = grpc_tcp_create(client, sp->server->resource_quota, peer_name_string); + // Create acceptor. + grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); + acceptor->from_server = sp->server; + acceptor->port_index = sp->port_index; + acceptor->fd_index = 0; sp->server->on_accept_cb(&exec_ctx, sp->server->on_accept_cb_arg, ep, NULL, - &acceptor); + acceptor); grpc_exec_ctx_finish(&exec_ctx); } } diff --git a/src/core/lib/iomgr/tcp_server_windows.c b/src/core/lib/iomgr/tcp_server_windows.c index b8a391c059..dafe851ce8 100644 --- a/src/core/lib/iomgr/tcp_server_windows.c +++ b/src/core/lib/iomgr/tcp_server_windows.c @@ -116,11 +116,11 @@ grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx, for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) { if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) { if (args->args[i].type == GRPC_ARG_POINTER) { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); s->resource_quota = - grpc_resource_quota_internal_ref(args->args[i].value.pointer.p); + grpc_resource_quota_ref_internal(args->args[i].value.pointer.p); } else { - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA " must be a pointer to a buffer pool"); @@ -155,18 +155,19 @@ static void destroy_server(grpc_exec_ctx *exec_ctx, void *arg, grpc_winsocket_destroy(sp->socket); gpr_free(sp); } - grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, s->resource_quota); gpr_free(s); } static void finish_shutdown_locked(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { if (s->shutdown_complete != NULL) { - grpc_exec_ctx_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); } - grpc_exec_ctx_sched(exec_ctx, grpc_closure_create(destroy_server, s), - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, grpc_closure_create(destroy_server, s, + grpc_schedule_on_exec_ctx), + GRPC_ERROR_NONE); } grpc_tcp_server *grpc_tcp_server_ref(grpc_tcp_server *s) { @@ -183,7 +184,6 @@ void grpc_tcp_server_shutdown_starting_add(grpc_tcp_server *s, } static void tcp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { - int immediately_done = 0; grpc_tcp_listener *sp; gpr_mu_lock(&s->mu); @@ -204,7 +204,7 @@ void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) { if (gpr_unref(&s->refs)) { grpc_tcp_server_shutdown_listeners(exec_ctx, s); gpr_mu_lock(&s->mu); - grpc_exec_ctx_enqueue_list(exec_ctx, &s->shutdown_starting, NULL); + grpc_closure_list_sched(exec_ctx, &s->shutdown_starting); gpr_mu_unlock(&s->mu); tcp_server_destroy(exec_ctx, s); } @@ -239,7 +239,7 @@ static grpc_error *prepare_socket(SOCKET sock, error = GRPC_WSA_ERROR(WSAGetLastError(), "getsockname"); goto failure; } - sockname_temp.len = sockname_temp_len; + sockname_temp.len = (size_t)sockname_temp_len; *port = grpc_sockaddr_get_port(&sockname_temp); return GRPC_ERROR_NONE; @@ -247,7 +247,7 @@ static grpc_error *prepare_socket(SOCKET sock, failure: GPR_ASSERT(error != GRPC_ERROR_NONE); char *tgtaddr = grpc_sockaddr_to_uri(addr); - grpc_error *final_error = grpc_error_set_int( + grpc_error_set_int( grpc_error_set_str(GRPC_ERROR_CREATE_REFERENCING( "Failed to prepare server socket", &error, 1), GRPC_ERROR_STR_TARGET_ADDRESS, tgtaddr), @@ -260,7 +260,6 @@ failure: static void decrement_active_ports_and_notify_locked(grpc_exec_ctx *exec_ctx, grpc_tcp_listener *sp) { - int notify = 0; sp->shutting_down = 0; GPR_ASSERT(sp->server->active_ports > 0); if (0 == --sp->server->active_ports) { @@ -323,7 +322,6 @@ failure: /* Event manager callback when reads are ready. */ static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_tcp_listener *sp = arg; - grpc_tcp_server_acceptor acceptor = {sp->server, sp->port_index, 0}; SOCKET sock = sp->new_socket; grpc_winsocket_callback_info *info = &sp->socket->read_info; grpc_endpoint *ep = NULL; @@ -375,7 +373,7 @@ static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { int peer_name_len = (int)peer_name.len; err = getpeername(sock, (struct sockaddr *)peer_name.addr, &peer_name_len); - peer_name.len = peer_name_len; + peer_name.len = (size_t)peer_name_len; if (!err) { peer_name_string = grpc_sockaddr_to_uri(&peer_name); } else { @@ -396,8 +394,13 @@ static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { /* The only time we should call our callback, is where we successfully managed to accept a connection, and created an endpoint. */ if (ep) { + // Create acceptor. + grpc_tcp_server_acceptor *acceptor = gpr_malloc(sizeof(*acceptor)); + acceptor->from_server = sp->server; + acceptor->port_index = sp->port_index; + acceptor->fd_index = 0; sp->server->on_accept_cb(exec_ctx, sp->server->on_accept_cb_arg, ep, NULL, - &acceptor); + acceptor); } /* As we were notified from the IOCP of one and exactly one accept, the former socked we created has now either been destroy or assigned @@ -461,7 +464,7 @@ static grpc_error *add_socket_to_server(grpc_tcp_server *s, SOCKET sock, sp->new_socket = INVALID_SOCKET; sp->port = port; sp->port_index = port_index; - grpc_closure_init(&sp->on_accept, on_accept, sp); + grpc_closure_init(&sp->on_accept, on_accept, sp, grpc_schedule_on_exec_ctx); GPR_ASSERT(sp->socket); gpr_mu_unlock(&s->mu); *listener = sp; @@ -493,7 +496,7 @@ grpc_error *grpc_tcp_server_add_port(grpc_tcp_server *s, if (0 == getsockname(sp->socket->socket, (struct sockaddr *)sockname_temp.addr, &sockname_temp_len)) { - sockname_temp.len = sockname_temp_len; + sockname_temp.len = (size_t)sockname_temp_len; *port = grpc_sockaddr_get_port(&sockname_temp); if (*port > 0) { allocated_addr = gpr_malloc(sizeof(grpc_resolved_address)); diff --git a/src/core/lib/iomgr/tcp_uv.c b/src/core/lib/iomgr/tcp_uv.c index 6e2ad1dbe9..3ddc79706b 100644 --- a/src/core/lib/iomgr/tcp_uv.c +++ b/src/core/lib/iomgr/tcp_uv.c @@ -169,7 +169,7 @@ static void read_callback(uv_stream_t *stream, ssize_t nread, // nread < 0: Error error = GRPC_ERROR_CREATE("TCP Read failed"); } - grpc_exec_ctx_sched(&exec_ctx, cb, error, NULL); + grpc_closure_sched(&exec_ctx, cb, error); grpc_exec_ctx_finish(&exec_ctx); } @@ -181,7 +181,7 @@ static void uv_endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, GPR_ASSERT(tcp->read_cb == NULL); tcp->read_cb = cb; tcp->read_slices = read_slices; - grpc_slice_buffer_reset_and_unref(read_slices); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, read_slices); TCP_REF(tcp, "read"); // TODO(murgatroid99): figure out what the return value here means status = @@ -190,7 +190,7 @@ static void uv_endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, error = GRPC_ERROR_CREATE("TCP Read failed at start"); error = grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, uv_strerror(status)); - grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + grpc_closure_sched(exec_ctx, cb, error); } if (grpc_tcp_trace) { const char *str = grpc_error_string(error); @@ -217,7 +217,7 @@ static void write_callback(uv_write_t *req, int status) { gpr_free(tcp->write_buffers); grpc_resource_user_free(&exec_ctx, tcp->resource_user, sizeof(uv_buf_t) * tcp->write_slices->count); - grpc_exec_ctx_sched(&exec_ctx, cb, error, NULL); + grpc_closure_sched(&exec_ctx, cb, error); grpc_exec_ctx_finish(&exec_ctx); } @@ -243,8 +243,8 @@ static void uv_endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, } if (tcp->shutting_down) { - grpc_exec_ctx_sched(exec_ctx, cb, - GRPC_ERROR_CREATE("TCP socket is shutting down"), NULL); + grpc_closure_sched(exec_ctx, cb, + GRPC_ERROR_CREATE("TCP socket is shutting down")); return; } @@ -254,7 +254,7 @@ static void uv_endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, if (tcp->write_slices->count == 0) { // No slices means we don't have to do anything, // and libuv doesn't like empty writes - grpc_exec_ctx_sched(exec_ctx, cb, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_NONE); return; } diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c index d4613b674e..84f791ba07 100644 --- a/src/core/lib/iomgr/tcp_windows.c +++ b/src/core/lib/iomgr/tcp_windows.c @@ -53,6 +53,7 @@ #include "src/core/lib/iomgr/socket_windows.h" #include "src/core/lib/iomgr/tcp_client.h" #include "src/core/lib/iomgr/timer.h" +#include "src/core/lib/slice/slice_internal.h" #if defined(__MSYS__) && defined(GPR_ARCH_64) /* Nasty workaround for nasty bug when using the 64 bits msys compiler @@ -174,13 +175,13 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { char *utf8_message = gpr_format_message(info->wsa_error); error = GRPC_ERROR_CREATE(utf8_message); gpr_free(utf8_message); - grpc_slice_unref(tcp->read_slice); + grpc_slice_unref_internal(exec_ctx, tcp->read_slice); } else { if (info->bytes_transfered != 0 && !tcp->shutting_down) { sub = grpc_slice_sub_no_ref(tcp->read_slice, 0, info->bytes_transfered); grpc_slice_buffer_add(tcp->read_slices, sub); } else { - grpc_slice_unref(tcp->read_slice); + grpc_slice_unref_internal(exec_ctx, tcp->read_slice); error = GRPC_ERROR_CREATE("End of TCP stream"); } } @@ -188,7 +189,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { tcp->read_cb = NULL; TCP_UNREF(exec_ctx, tcp, "read"); - grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + grpc_closure_sched(exec_ctx, cb, error); } static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, @@ -202,14 +203,14 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, WSABUF buffer; if (tcp->shutting_down) { - grpc_exec_ctx_sched(exec_ctx, cb, - GRPC_ERROR_CREATE("TCP socket is shutting down"), NULL); + grpc_closure_sched(exec_ctx, cb, + GRPC_ERROR_CREATE("TCP socket is shutting down")); return; } tcp->read_cb = cb; tcp->read_slices = read_slices; - grpc_slice_buffer_reset_and_unref(read_slices); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, read_slices); tcp->read_slice = grpc_slice_malloc(8192); @@ -227,7 +228,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, /* Did we get data immediately ? Yay. */ if (info->wsa_error != WSAEWOULDBLOCK) { info->bytes_transfered = bytes_read; - grpc_exec_ctx_sched(exec_ctx, &tcp->on_read, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &tcp->on_read, GRPC_ERROR_NONE); return; } @@ -240,8 +241,8 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, int wsa_error = WSAGetLastError(); if (wsa_error != WSA_IO_PENDING) { info->wsa_error = wsa_error; - grpc_exec_ctx_sched(exec_ctx, &tcp->on_read, - GRPC_WSA_ERROR(info->wsa_error, "WSARecv"), NULL); + grpc_closure_sched(exec_ctx, &tcp->on_read, + GRPC_WSA_ERROR(info->wsa_error, "WSARecv")); return; } } @@ -272,7 +273,7 @@ static void on_write(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) { } TCP_UNREF(exec_ctx, tcp, "write"); - grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + grpc_closure_sched(exec_ctx, cb, error); } /* Initiates a write. */ @@ -290,8 +291,8 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, size_t len; if (tcp->shutting_down) { - grpc_exec_ctx_sched(exec_ctx, cb, - GRPC_ERROR_CREATE("TCP socket is shutting down"), NULL); + grpc_closure_sched(exec_ctx, cb, + GRPC_ERROR_CREATE("TCP socket is shutting down")); return; } @@ -322,7 +323,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, grpc_error *error = status == 0 ? GRPC_ERROR_NONE : GRPC_WSA_ERROR(info->wsa_error, "WSASend"); - grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + grpc_closure_sched(exec_ctx, cb, error); if (allocated) gpr_free(allocated); return; } @@ -340,8 +341,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, int wsa_error = WSAGetLastError(); if (wsa_error != WSA_IO_PENDING) { TCP_UNREF(exec_ctx, tcp, "write"); - grpc_exec_ctx_sched(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend"), - NULL); + grpc_closure_sched(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend")); return; } } @@ -424,8 +424,8 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket, tcp->socket = socket; gpr_mu_init(&tcp->mu); gpr_ref_init(&tcp->refcount, 1); - grpc_closure_init(&tcp->on_read, on_read, tcp); - grpc_closure_init(&tcp->on_write, on_write, tcp); + grpc_closure_init(&tcp->on_read, on_read, tcp, grpc_schedule_on_exec_ctx); + grpc_closure_init(&tcp->on_write, on_write, tcp, grpc_schedule_on_exec_ctx); tcp->peer_string = gpr_strdup(peer_string); tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string); /* Tell network status tracking code about the new endpoint */ diff --git a/src/core/lib/iomgr/timer.h b/src/core/lib/iomgr/timer.h index 20fe98c4a7..d84a278b18 100644 --- a/src/core/lib/iomgr/timer.h +++ b/src/core/lib/iomgr/timer.h @@ -49,15 +49,15 @@ typedef struct grpc_timer grpc_timer; -/* Initialize *timer. When expired or canceled, timer_cb will be called with - *timer_cb_arg and error set to indicate if it expired (GRPC_ERROR_NONE) or - was canceled (GRPC_ERROR_CANCELLED). timer_cb is guaranteed to be called - exactly once, and application code should check the error to determine - how it was invoked. The application callback is also responsible for - maintaining information about when to free up any user-level state. */ +/* Initialize *timer. When expired or canceled, closure will be called with + error set to indicate if it expired (GRPC_ERROR_NONE) or was canceled + (GRPC_ERROR_CANCELLED). timer_cb is guaranteed to be called exactly once, and + application code should check the error to determine how it was invoked. The + application callback is also responsible for maintaining information about + when to free up any user-level state. */ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, - gpr_timespec deadline, grpc_iomgr_cb_func timer_cb, - void *timer_cb_arg, gpr_timespec now); + gpr_timespec deadline, grpc_closure *closure, + gpr_timespec now); /* Note that there is no timer destroy function. This is because the timer is a one-time occurrence with a guarantee that the callback will diff --git a/src/core/lib/iomgr/timer_generic.c b/src/core/lib/iomgr/timer_generic.c index 00058f9d86..40c8351472 100644 --- a/src/core/lib/iomgr/timer_generic.c +++ b/src/core/lib/iomgr/timer_generic.c @@ -178,28 +178,27 @@ static void note_deadline_change(shard_type *shard) { } void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, - gpr_timespec deadline, grpc_iomgr_cb_func timer_cb, - void *timer_cb_arg, gpr_timespec now) { + gpr_timespec deadline, grpc_closure *closure, + gpr_timespec now) { int is_first_timer = 0; shard_type *shard = &g_shards[shard_idx(timer)]; GPR_ASSERT(deadline.clock_type == g_clock_type); GPR_ASSERT(now.clock_type == g_clock_type); - grpc_closure_init(&timer->closure, timer_cb, timer_cb_arg); + timer->closure = closure; timer->deadline = deadline; timer->triggered = 0; if (!g_initialized) { timer->triggered = 1; - grpc_exec_ctx_sched( - exec_ctx, &timer->closure, - GRPC_ERROR_CREATE("Attempt to create timer before initialization"), - NULL); + grpc_closure_sched( + exec_ctx, timer->closure, + GRPC_ERROR_CREATE("Attempt to create timer before initialization")); return; } if (gpr_time_cmp(deadline, now) <= 0) { timer->triggered = 1; - grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_NONE); return; } @@ -251,7 +250,7 @@ void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) { shard_type *shard = &g_shards[shard_idx(timer)]; gpr_mu_lock(&shard->mu); if (!timer->triggered) { - grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_CANCELLED); timer->triggered = 1; if (timer->heap_index == INVALID_HEAP_INDEX) { list_remove(timer); @@ -317,7 +316,7 @@ static size_t pop_timers(grpc_exec_ctx *exec_ctx, shard_type *shard, grpc_timer *timer; gpr_mu_lock(&shard->mu); while ((timer = pop_one(shard, now))) { - grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_REF(error), NULL); + grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_REF(error)); n++; } *new_min_deadline = compute_min_deadline(shard); diff --git a/src/core/lib/iomgr/timer_generic.h b/src/core/lib/iomgr/timer_generic.h index e4494adb5f..9d901c7e68 100644 --- a/src/core/lib/iomgr/timer_generic.h +++ b/src/core/lib/iomgr/timer_generic.h @@ -43,7 +43,7 @@ struct grpc_timer { int triggered; struct grpc_timer *next; struct grpc_timer *prev; - grpc_closure closure; + grpc_closure *closure; }; #endif /* GRPC_CORE_LIB_IOMGR_TIMER_GENERIC_H */ diff --git a/src/core/lib/iomgr/timer_uv.c b/src/core/lib/iomgr/timer_uv.c index cfcb89268b..fa2cdee964 100644 --- a/src/core/lib/iomgr/timer_uv.c +++ b/src/core/lib/iomgr/timer_uv.c @@ -55,20 +55,20 @@ void run_expired_timer(uv_timer_t *handle) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; GPR_ASSERT(!timer->triggered); timer->triggered = 1; - grpc_exec_ctx_sched(&exec_ctx, &timer->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(&exec_ctx, timer->closure, GRPC_ERROR_NONE); stop_uv_timer(handle); grpc_exec_ctx_finish(&exec_ctx); } void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, - gpr_timespec deadline, grpc_iomgr_cb_func timer_cb, - void *timer_cb_arg, gpr_timespec now) { + gpr_timespec deadline, grpc_closure *closure, + gpr_timespec now) { uint64_t timeout; uv_timer_t *uv_timer; - grpc_closure_init(&timer->closure, timer_cb, timer_cb_arg); + timer->closure = closure; if (gpr_time_cmp(deadline, now) <= 0) { timer->triggered = 1; - grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_NONE); return; } timer->triggered = 0; @@ -83,7 +83,7 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) { if (!timer->triggered) { timer->triggered = 1; - grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, timer->closure, GRPC_ERROR_CANCELLED); stop_uv_timer((uv_timer_t *)timer->uv_timer); } } diff --git a/src/core/lib/iomgr/timer_uv.h b/src/core/lib/iomgr/timer_uv.h index 3de383ebd5..13cf8bd4fa 100644 --- a/src/core/lib/iomgr/timer_uv.h +++ b/src/core/lib/iomgr/timer_uv.h @@ -37,7 +37,7 @@ #include "src/core/lib/iomgr/exec_ctx.h" struct grpc_timer { - grpc_closure closure; + grpc_closure *closure; /* This is actually a uv_timer_t*, but we want to keep platform-specific types out of headers */ void *uv_timer; diff --git a/src/core/lib/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c index fd0c7a0f9d..dfbd295c91 100644 --- a/src/core/lib/iomgr/udp_server.c +++ b/src/core/lib/iomgr/udp_server.c @@ -126,7 +126,7 @@ grpc_udp_server *grpc_udp_server_create(void) { static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) { if (s->shutdown_complete != NULL) { - grpc_exec_ctx_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); } gpr_mu_destroy(&s->mu); @@ -170,8 +170,8 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) { for (sp = s->head; sp; sp = sp->next) { grpc_unlink_if_unix_domain_socket(&sp->addr); - sp->destroyed_closure.cb = destroyed_port; - sp->destroyed_closure.cb_arg = s; + grpc_closure_init(&sp->destroyed_closure, destroyed_port, s, + grpc_schedule_on_exec_ctx); /* Call the orphan_cb to signal that the FD is about to be closed and * should no longer be used. */ @@ -388,7 +388,8 @@ int grpc_udp_server_add_port(grpc_udp_server *s, /* Try listening on IPv6 first. */ addr = &wild6; // TODO(rjshade): Test and propagate the returned grpc_error*: - grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode, &fd); + GRPC_ERROR_UNREF(grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, + &dsmode, &fd)); allocated_port1 = add_socket_to_server(s, fd, addr, read_cb, orphan_cb); if (fd >= 0 && dsmode == GRPC_DSMODE_DUALSTACK) { goto done; @@ -402,7 +403,8 @@ int grpc_udp_server_add_port(grpc_udp_server *s, } // TODO(rjshade): Test and propagate the returned grpc_error*: - grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, &dsmode, &fd); + GRPC_ERROR_UNREF(grpc_create_dualstack_socket(addr, SOCK_DGRAM, IPPROTO_UDP, + &dsmode, &fd)); if (fd < 0) { gpr_log(GPR_ERROR, "Unable to create socket: %s", strerror(errno)); } @@ -444,8 +446,8 @@ void grpc_udp_server_start(grpc_exec_ctx *exec_ctx, grpc_udp_server *s, for (i = 0; i < pollset_count; i++) { grpc_pollset_add_fd(exec_ctx, pollsets[i], sp->emfd); } - sp->read_closure.cb = on_read; - sp->read_closure.cb_arg = sp; + grpc_closure_init(&sp->read_closure, on_read, sp, + grpc_schedule_on_exec_ctx); grpc_fd_notify_on_read(exec_ctx, sp->emfd, &sp->read_closure); s->active_ports++; diff --git a/src/core/lib/iomgr/workqueue.h b/src/core/lib/iomgr/workqueue.h index 73d9849843..371b0f55dc 100644 --- a/src/core/lib/iomgr/workqueue.h +++ b/src/core/lib/iomgr/workqueue.h @@ -72,17 +72,16 @@ grpc_workqueue *grpc_workqueue_ref(grpc_workqueue *workqueue); void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue); #endif -/** Add a work item to a workqueue. Items added to a work queue will be started - in approximately the order they were enqueued, on some thread that may or - may not be the current thread. Successive closures enqueued onto a workqueue - MAY be executed concurrently. +/** Fetch the workqueue closure scheduler. Items added to a work queue will be + started in approximately the order they were enqueued, on some thread that + may or may not be the current thread. Successive closures enqueued onto a + workqueue MAY be executed concurrently. It is generally more expensive to add a closure to a workqueue than to the execution context, both in terms of CPU work and in execution latency. Use work queues when it's important that other threads be given a chance to tackle some workload. */ -void grpc_workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue, - grpc_closure *closure, grpc_error *error); +grpc_closure_scheduler *grpc_workqueue_scheduler(grpc_workqueue *workqueue); #endif /* GRPC_CORE_LIB_IOMGR_WORKQUEUE_H */ diff --git a/src/core/lib/iomgr/workqueue_uv.c b/src/core/lib/iomgr/workqueue_uv.c index e58ca476cc..4d61b40912 100644 --- a/src/core/lib/iomgr/workqueue_uv.c +++ b/src/core/lib/iomgr/workqueue_uv.c @@ -58,9 +58,8 @@ grpc_workqueue *grpc_workqueue_ref(grpc_workqueue *workqueue) { void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue) {} #endif -void grpc_workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue, - grpc_closure *closure, grpc_error *error) { - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); +grpc_closure_scheduler *grpc_workqueue_scheduler(grpc_workqueue *workqueue) { + return grpc_schedule_on_exec_ctx; } #endif /* GPR_UV */ diff --git a/src/core/lib/iomgr/workqueue_windows.c b/src/core/lib/iomgr/workqueue_windows.c index 5c93d3c59e..234b47cdf5 100644 --- a/src/core/lib/iomgr/workqueue_windows.c +++ b/src/core/lib/iomgr/workqueue_windows.c @@ -56,9 +56,8 @@ grpc_workqueue *grpc_workqueue_ref(grpc_workqueue *workqueue) { void grpc_workqueue_unref(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue) {} #endif -void grpc_workqueue_enqueue(grpc_exec_ctx *exec_ctx, grpc_workqueue *workqueue, - grpc_closure *closure, grpc_error *error) { - grpc_exec_ctx_sched(exec_ctx, closure, error, NULL); +grpc_closure_scheduler *grpc_workqueue_scheduler(grpc_workqueue *workqueue) { + return grpc_schedule_on_exec_ctx; } #endif /* GPR_WINDOWS */ diff --git a/src/core/lib/security/context/security_context.c b/src/core/lib/security/context/security_context.c index 2204fadf54..fe82fabc31 100644 --- a/src/core/lib/security/context/security_context.c +++ b/src/core/lib/security/context/security_context.c @@ -47,6 +47,7 @@ grpc_call_error grpc_call_set_credentials(grpc_call *call, grpc_call_credentials *creds) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_client_security_context *ctx = NULL; GRPC_API_TRACE("grpc_call_set_credentials(call=%p, creds=%p)", 2, (call, creds)); @@ -62,9 +63,10 @@ grpc_call_error grpc_call_set_credentials(grpc_call *call, grpc_call_context_set(call, GRPC_CONTEXT_SECURITY, ctx, grpc_client_security_context_destroy); } else { - grpc_call_credentials_unref(ctx->creds); + grpc_call_credentials_unref(&exec_ctx, ctx->creds); ctx->creds = grpc_call_credentials_ref(creds); } + grpc_exec_ctx_finish(&exec_ctx); return GRPC_CALL_OK; } @@ -96,13 +98,15 @@ grpc_client_security_context *grpc_client_security_context_create(void) { } void grpc_client_security_context_destroy(void *ctx) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_client_security_context *c = (grpc_client_security_context *)ctx; - grpc_call_credentials_unref(c->creds); + grpc_call_credentials_unref(&exec_ctx, c->creds); GRPC_AUTH_CONTEXT_UNREF(c->auth_context, "client_security_context"); if (c->extension.instance != NULL && c->extension.destroy != NULL) { c->extension.destroy(c->extension.instance); } gpr_free(ctx); + grpc_exec_ctx_finish(&exec_ctx); } /* --- grpc_server_security_context --- */ @@ -307,7 +311,7 @@ void grpc_auth_property_reset(grpc_auth_property *property) { memset(property, 0, sizeof(grpc_auth_property)); } -static void auth_context_pointer_arg_destroy(void *p) { +static void auth_context_pointer_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) { GRPC_AUTH_CONTEXT_UNREF(p, "auth_context_pointer_arg"); } diff --git a/src/core/lib/security/credentials/composite/composite_credentials.c b/src/core/lib/security/credentials/composite/composite_credentials.c index d55d00b7b6..be1588dd8b 100644 --- a/src/core/lib/security/credentials/composite/composite_credentials.c +++ b/src/core/lib/security/credentials/composite/composite_credentials.c @@ -54,18 +54,20 @@ typedef struct { grpc_credentials_metadata_cb cb; } grpc_composite_call_credentials_metadata_context; -static void composite_call_destruct(grpc_call_credentials *creds) { +static void composite_call_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_composite_call_credentials *c = (grpc_composite_call_credentials *)creds; size_t i; for (i = 0; i < c->inner.num_creds; i++) { - grpc_call_credentials_unref(c->inner.creds_array[i]); + grpc_call_credentials_unref(exec_ctx, c->inner.creds_array[i]); } gpr_free(c->inner.creds_array); } static void composite_call_md_context_destroy( + grpc_exec_ctx *exec_ctx, grpc_composite_call_credentials_metadata_context *ctx) { - grpc_credentials_md_store_unref(ctx->md_elems); + grpc_credentials_md_store_unref(exec_ctx, ctx->md_elems); gpr_free(ctx); } @@ -103,7 +105,7 @@ static void composite_call_metadata_cb(grpc_exec_ctx *exec_ctx, void *user_data, /* We're done!. */ ctx->cb(exec_ctx, ctx->user_data, ctx->md_elems->entries, ctx->md_elems->num_entries, GRPC_CREDENTIALS_OK, NULL); - composite_call_md_context_destroy(ctx); + composite_call_md_context_destroy(exec_ctx, ctx); } static void composite_call_get_request_metadata( @@ -209,17 +211,19 @@ grpc_call_credentials *grpc_credentials_contains_type( /* -- Composite channel credentials. -- */ -static void composite_channel_destruct(grpc_channel_credentials *creds) { +static void composite_channel_destruct(grpc_exec_ctx *exec_ctx, + grpc_channel_credentials *creds) { grpc_composite_channel_credentials *c = (grpc_composite_channel_credentials *)creds; - grpc_channel_credentials_unref(c->inner_creds); - grpc_call_credentials_unref(c->call_creds); + grpc_channel_credentials_unref(exec_ctx, c->inner_creds); + grpc_call_credentials_unref(exec_ctx, c->call_creds); } static grpc_security_status composite_channel_create_security_connector( - grpc_channel_credentials *creds, grpc_call_credentials *call_creds, - const char *target, const grpc_channel_args *args, - grpc_channel_security_connector **sc, grpc_channel_args **new_args) { + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *creds, + grpc_call_credentials *call_creds, const char *target, + const grpc_channel_args *args, grpc_channel_security_connector **sc, + grpc_channel_args **new_args) { grpc_composite_channel_credentials *c = (grpc_composite_channel_credentials *)creds; grpc_security_status status = GRPC_SECURITY_ERROR; @@ -233,11 +237,12 @@ static grpc_security_status composite_channel_create_security_connector( grpc_call_credentials *composite_call_creds = grpc_composite_call_credentials_create(c->call_creds, call_creds, NULL); status = c->inner_creds->vtable->create_security_connector( - c->inner_creds, composite_call_creds, target, args, sc, new_args); - grpc_call_credentials_unref(composite_call_creds); + exec_ctx, c->inner_creds, composite_call_creds, target, args, sc, + new_args); + grpc_call_credentials_unref(exec_ctx, composite_call_creds); } else { status = c->inner_creds->vtable->create_security_connector( - c->inner_creds, c->call_creds, target, args, sc, new_args); + exec_ctx, c->inner_creds, c->call_creds, target, args, sc, new_args); } return status; } diff --git a/src/core/lib/security/credentials/credentials.c b/src/core/lib/security/credentials/credentials.c index 1149e5c2ed..9781a22a86 100644 --- a/src/core/lib/security/credentials/credentials.c +++ b/src/core/lib/security/credentials/credentials.c @@ -66,8 +66,8 @@ grpc_credentials_metadata_request *grpc_credentials_metadata_request_create( } void grpc_credentials_metadata_request_destroy( - grpc_credentials_metadata_request *r) { - grpc_call_credentials_unref(r->creds); + grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *r) { + grpc_call_credentials_unref(exec_ctx, r->creds); grpc_http_response_destroy(&r->response); gpr_free(r); } @@ -79,17 +79,22 @@ grpc_channel_credentials *grpc_channel_credentials_ref( return creds; } -void grpc_channel_credentials_unref(grpc_channel_credentials *creds) { +void grpc_channel_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_channel_credentials *creds) { if (creds == NULL) return; if (gpr_unref(&creds->refcount)) { - if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds); + if (creds->vtable->destruct != NULL) { + creds->vtable->destruct(exec_ctx, creds); + } gpr_free(creds); } } void grpc_channel_credentials_release(grpc_channel_credentials *creds) { GRPC_API_TRACE("grpc_channel_credentials_release(creds=%p)", 1, (creds)); - grpc_channel_credentials_unref(creds); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_channel_credentials_unref(&exec_ctx, creds); + grpc_exec_ctx_finish(&exec_ctx); } grpc_call_credentials *grpc_call_credentials_ref(grpc_call_credentials *creds) { @@ -98,17 +103,22 @@ grpc_call_credentials *grpc_call_credentials_ref(grpc_call_credentials *creds) { return creds; } -void grpc_call_credentials_unref(grpc_call_credentials *creds) { +void grpc_call_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { if (creds == NULL) return; if (gpr_unref(&creds->refcount)) { - if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds); + if (creds->vtable->destruct != NULL) { + creds->vtable->destruct(exec_ctx, creds); + } gpr_free(creds); } } void grpc_call_credentials_release(grpc_call_credentials *creds) { GRPC_API_TRACE("grpc_call_credentials_release(creds=%p)", 1, (creds)); - grpc_call_credentials_unref(creds); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_call_credentials_unref(&exec_ctx, creds); + grpc_exec_ctx_finish(&exec_ctx); } void grpc_call_credentials_get_request_metadata( @@ -126,16 +136,16 @@ void grpc_call_credentials_get_request_metadata( } grpc_security_status grpc_channel_credentials_create_security_connector( - grpc_channel_credentials *channel_creds, const char *target, - const grpc_channel_args *args, grpc_channel_security_connector **sc, - grpc_channel_args **new_args) { + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *channel_creds, + const char *target, const grpc_channel_args *args, + grpc_channel_security_connector **sc, grpc_channel_args **new_args) { *new_args = NULL; if (channel_creds == NULL) { return GRPC_SECURITY_ERROR; } GPR_ASSERT(channel_creds->vtable->create_security_connector != NULL); return channel_creds->vtable->create_security_connector( - channel_creds, NULL, target, args, sc, new_args); + exec_ctx, channel_creds, NULL, target, args, sc, new_args); } grpc_channel_credentials * @@ -157,10 +167,13 @@ grpc_server_credentials *grpc_server_credentials_ref( return creds; } -void grpc_server_credentials_unref(grpc_server_credentials *creds) { +void grpc_server_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_server_credentials *creds) { if (creds == NULL) return; if (gpr_unref(&creds->refcount)) { - if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds); + if (creds->vtable->destruct != NULL) { + creds->vtable->destruct(exec_ctx, creds); + } if (creds->processor.destroy != NULL && creds->processor.state != NULL) { creds->processor.destroy(creds->processor.state); } @@ -170,16 +183,19 @@ void grpc_server_credentials_unref(grpc_server_credentials *creds) { void grpc_server_credentials_release(grpc_server_credentials *creds) { GRPC_API_TRACE("grpc_server_credentials_release(creds=%p)", 1, (creds)); - grpc_server_credentials_unref(creds); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_server_credentials_unref(&exec_ctx, creds); + grpc_exec_ctx_finish(&exec_ctx); } grpc_security_status grpc_server_credentials_create_security_connector( - grpc_server_credentials *creds, grpc_server_security_connector **sc) { + grpc_exec_ctx *exec_ctx, grpc_server_credentials *creds, + grpc_server_security_connector **sc) { if (creds == NULL || creds->vtable->create_security_connector == NULL) { gpr_log(GPR_ERROR, "Server credentials cannot create security context."); return GRPC_SECURITY_ERROR; } - return creds->vtable->create_security_connector(creds, sc); + return creds->vtable->create_security_connector(exec_ctx, creds, sc); } void grpc_server_credentials_set_auth_metadata_processor( @@ -196,8 +212,9 @@ void grpc_server_credentials_set_auth_metadata_processor( creds->processor = processor; } -static void server_credentials_pointer_arg_destroy(void *p) { - grpc_server_credentials_unref(p); +static void server_credentials_pointer_arg_destroy(grpc_exec_ctx *exec_ctx, + void *p) { + grpc_server_credentials_unref(exec_ctx, p); } static void *server_credentials_pointer_arg_copy(void *p) { diff --git a/src/core/lib/security/credentials/credentials.h b/src/core/lib/security/credentials/credentials.h index 85b3bc5350..3011df6b8a 100644 --- a/src/core/lib/security/credentials/credentials.h +++ b/src/core/lib/security/credentials/credentials.h @@ -101,12 +101,13 @@ void grpc_override_well_known_credentials_path_getter( /* --- grpc_channel_credentials. --- */ typedef struct { - void (*destruct)(grpc_channel_credentials *c); + void (*destruct)(grpc_exec_ctx *exec_ctx, grpc_channel_credentials *c); grpc_security_status (*create_security_connector)( - grpc_channel_credentials *c, grpc_call_credentials *call_creds, - const char *target, const grpc_channel_args *args, - grpc_channel_security_connector **sc, grpc_channel_args **new_args); + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *c, + grpc_call_credentials *call_creds, const char *target, + const grpc_channel_args *args, grpc_channel_security_connector **sc, + grpc_channel_args **new_args); grpc_channel_credentials *(*duplicate_without_call_credentials)( grpc_channel_credentials *c); @@ -120,16 +121,17 @@ struct grpc_channel_credentials { grpc_channel_credentials *grpc_channel_credentials_ref( grpc_channel_credentials *creds); -void grpc_channel_credentials_unref(grpc_channel_credentials *creds); +void grpc_channel_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_channel_credentials *creds); /* Creates a security connector for the channel. May also create new channel args for the channel to be used in place of the passed in const args if returned non NULL. In that case the caller is responsible for destroying new_args after channel creation. */ grpc_security_status grpc_channel_credentials_create_security_connector( - grpc_channel_credentials *creds, const char *target, - const grpc_channel_args *args, grpc_channel_security_connector **sc, - grpc_channel_args **new_args); + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *creds, + const char *target, const grpc_channel_args *args, + grpc_channel_security_connector **sc, grpc_channel_args **new_args); /* Creates a version of the channel credentials without any attached call credentials. This can be used in order to open a channel to a non-trusted @@ -162,7 +164,8 @@ void grpc_credentials_md_store_add_cstrings(grpc_credentials_md_store *store, const char *key, const char *value); grpc_credentials_md_store *grpc_credentials_md_store_ref( grpc_credentials_md_store *store); -void grpc_credentials_md_store_unref(grpc_credentials_md_store *store); +void grpc_credentials_md_store_unref(grpc_exec_ctx *exec_ctx, + grpc_credentials_md_store *store); /* --- grpc_call_credentials. --- */ @@ -172,7 +175,7 @@ typedef void (*grpc_credentials_metadata_cb)( size_t num_md, grpc_credentials_status status, const char *error_details); typedef struct { - void (*destruct)(grpc_call_credentials *c); + void (*destruct)(grpc_exec_ctx *exec_ctx, grpc_call_credentials *c); void (*get_request_metadata)(grpc_exec_ctx *exec_ctx, grpc_call_credentials *c, grpc_polling_entity *pollent, @@ -188,7 +191,8 @@ struct grpc_call_credentials { }; grpc_call_credentials *grpc_call_credentials_ref(grpc_call_credentials *creds); -void grpc_call_credentials_unref(grpc_call_credentials *creds); +void grpc_call_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds); void grpc_call_credentials_get_request_metadata( grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_polling_entity *pollent, grpc_auth_metadata_context context, @@ -202,9 +206,10 @@ grpc_call_credentials *grpc_md_only_test_credentials_create( /* --- grpc_server_credentials. --- */ typedef struct { - void (*destruct)(grpc_server_credentials *c); + void (*destruct)(grpc_exec_ctx *exec_ctx, grpc_server_credentials *c); grpc_security_status (*create_security_connector)( - grpc_server_credentials *c, grpc_server_security_connector **sc); + grpc_exec_ctx *exec_ctx, grpc_server_credentials *c, + grpc_server_security_connector **sc); } grpc_server_credentials_vtable; struct grpc_server_credentials { @@ -215,12 +220,14 @@ struct grpc_server_credentials { }; grpc_security_status grpc_server_credentials_create_security_connector( - grpc_server_credentials *creds, grpc_server_security_connector **sc); + grpc_exec_ctx *exec_ctx, grpc_server_credentials *creds, + grpc_server_security_connector **sc); grpc_server_credentials *grpc_server_credentials_ref( grpc_server_credentials *creds); -void grpc_server_credentials_unref(grpc_server_credentials *creds); +void grpc_server_credentials_unref(grpc_exec_ctx *exec_ctx, + grpc_server_credentials *creds); #define GRPC_SERVER_CREDENTIALS_ARG "grpc.server_credentials" @@ -243,6 +250,6 @@ grpc_credentials_metadata_request *grpc_credentials_metadata_request_create( void *user_data); void grpc_credentials_metadata_request_destroy( - grpc_credentials_metadata_request *r); + grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *r); #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_CREDENTIALS_H */ diff --git a/src/core/lib/security/credentials/credentials_metadata.c b/src/core/lib/security/credentials/credentials_metadata.c index e6cb567734..68da5fb4a8 100644 --- a/src/core/lib/security/credentials/credentials_metadata.c +++ b/src/core/lib/security/credentials/credentials_metadata.c @@ -37,6 +37,8 @@ #include <string.h> +#include "src/core/lib/slice/slice_internal.h" + static void store_ensure_capacity(grpc_credentials_md_store *store) { if (store->num_entries == store->allocated) { store->allocated = (store->allocated == 0) ? 1 : store->allocated * 2; @@ -62,8 +64,8 @@ void grpc_credentials_md_store_add(grpc_credentials_md_store *store, grpc_slice key, grpc_slice value) { if (store == NULL) return; store_ensure_capacity(store); - store->entries[store->num_entries].key = grpc_slice_ref(key); - store->entries[store->num_entries].value = grpc_slice_ref(value); + store->entries[store->num_entries].key = grpc_slice_ref_internal(key); + store->entries[store->num_entries].value = grpc_slice_ref_internal(value); store->num_entries++; } @@ -85,14 +87,15 @@ grpc_credentials_md_store *grpc_credentials_md_store_ref( return store; } -void grpc_credentials_md_store_unref(grpc_credentials_md_store *store) { +void grpc_credentials_md_store_unref(grpc_exec_ctx *exec_ctx, + grpc_credentials_md_store *store) { if (store == NULL) return; if (gpr_unref(&store->refcount)) { if (store->entries != NULL) { size_t i; for (i = 0; i < store->num_entries; i++) { - grpc_slice_unref(store->entries[i].key); - grpc_slice_unref(store->entries[i].value); + grpc_slice_unref_internal(exec_ctx, store->entries[i].key); + grpc_slice_unref_internal(exec_ctx, store->entries[i].value); } gpr_free(store->entries); } diff --git a/src/core/lib/security/credentials/fake/fake_credentials.c b/src/core/lib/security/credentials/fake/fake_credentials.c index ea4cb76fb9..a8679d097d 100644 --- a/src/core/lib/security/credentials/fake/fake_credentials.c +++ b/src/core/lib/security/credentials/fake/fake_credentials.c @@ -45,16 +45,18 @@ /* -- Fake transport security credentials. -- */ static grpc_security_status fake_transport_security_create_security_connector( - grpc_channel_credentials *c, grpc_call_credentials *call_creds, - const char *target, const grpc_channel_args *args, - grpc_channel_security_connector **sc, grpc_channel_args **new_args) { + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *c, + grpc_call_credentials *call_creds, const char *target, + const grpc_channel_args *args, grpc_channel_security_connector **sc, + grpc_channel_args **new_args) { *sc = grpc_fake_channel_security_connector_create(call_creds); return GRPC_SECURITY_OK; } static grpc_security_status fake_transport_security_server_create_security_connector( - grpc_server_credentials *c, grpc_server_security_connector **sc) { + grpc_exec_ctx *exec_ctx, grpc_server_credentials *c, + grpc_server_security_connector **sc) { *sc = grpc_fake_server_security_connector_create(); return GRPC_SECURITY_OK; } @@ -89,9 +91,10 @@ grpc_server_credentials *grpc_fake_transport_security_server_credentials_create( /* -- Metadata-only test credentials. -- */ -static void md_only_test_destruct(grpc_call_credentials *creds) { +static void md_only_test_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds; - grpc_credentials_md_store_unref(c->md_store); + grpc_credentials_md_store_unref(exec_ctx, c->md_store); } static void on_simulated_token_fetch_done(grpc_exec_ctx *exec_ctx, @@ -101,7 +104,7 @@ static void on_simulated_token_fetch_done(grpc_exec_ctx *exec_ctx, grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)r->creds; r->cb(exec_ctx, r->user_data, c->md_store->entries, c->md_store->num_entries, GRPC_CREDENTIALS_OK, NULL); - grpc_credentials_metadata_request_destroy(r); + grpc_credentials_metadata_request_destroy(exec_ctx, r); } static void md_only_test_get_request_metadata( @@ -113,9 +116,10 @@ static void md_only_test_get_request_metadata( if (c->is_async) { grpc_credentials_metadata_request *cb_arg = grpc_credentials_metadata_request_create(creds, cb, user_data); - grpc_executor_push( - grpc_closure_create(on_simulated_token_fetch_done, cb_arg), - GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, + grpc_closure_create(on_simulated_token_fetch_done, + cb_arg, grpc_executor_scheduler), + GRPC_ERROR_NONE); } else { cb(exec_ctx, user_data, c->md_store->entries, 1, GRPC_CREDENTIALS_OK, NULL); } diff --git a/src/core/lib/security/credentials/google_default/google_default_credentials.c b/src/core/lib/security/credentials/google_default/google_default_credentials.c index afe0e3d357..d6e1fe3dcf 100644 --- a/src/core/lib/security/credentials/google_default/google_default_credentials.c +++ b/src/core/lib/security/credentials/google_default/google_default_credentials.c @@ -45,6 +45,7 @@ #include "src/core/lib/iomgr/polling_entity.h" #include "src/core/lib/security/credentials/jwt/jwt_credentials.h" #include "src/core/lib/security/credentials/oauth2/oauth2_credentials.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/env.h" #include "src/core/lib/support/string.h" @@ -101,11 +102,10 @@ static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, grpc_error *e) { grpc_pollset_destroy(p); } -static int is_stack_running_on_compute_engine(void) { +static int is_stack_running_on_compute_engine(grpc_exec_ctx *exec_ctx) { compute_engine_detector detector; grpc_httpcli_request request; grpc_httpcli_context context; - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_closure destroy_closure; /* The http call is local. If it takes more than one sec, it is for sure not @@ -128,13 +128,14 @@ static int is_stack_running_on_compute_engine(void) { grpc_resource_quota *resource_quota = grpc_resource_quota_create("google_default_credentials"); grpc_httpcli_get( - &exec_ctx, &context, &detector.pollent, resource_quota, &request, + exec_ctx, &context, &detector.pollent, resource_quota, &request, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), max_detection_delay), - grpc_closure_create(on_compute_engine_detection_http_response, &detector), + grpc_closure_create(on_compute_engine_detection_http_response, &detector, + grpc_schedule_on_exec_ctx), &detector.response); - grpc_resource_quota_internal_unref(&exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); - grpc_exec_ctx_flush(&exec_ctx); + grpc_exec_ctx_flush(exec_ctx); /* Block until we get the response. This is not ideal but this should only be called once for the lifetime of the process by the default credentials. */ @@ -143,7 +144,7 @@ static int is_stack_running_on_compute_engine(void) { grpc_pollset_worker *worker = NULL; if (!GRPC_LOG_IF_ERROR( "pollset_work", - grpc_pollset_work(&exec_ctx, + grpc_pollset_work(exec_ctx, grpc_polling_entity_pollset(&detector.pollent), &worker, gpr_now(GPR_CLOCK_MONOTONIC), gpr_inf_future(GPR_CLOCK_MONOTONIC)))) { @@ -155,12 +156,13 @@ static int is_stack_running_on_compute_engine(void) { grpc_httpcli_context_destroy(&context); grpc_closure_init(&destroy_closure, destroy_pollset, - grpc_polling_entity_pollset(&detector.pollent)); - grpc_pollset_shutdown(&exec_ctx, + grpc_polling_entity_pollset(&detector.pollent), + grpc_schedule_on_exec_ctx); + grpc_pollset_shutdown(exec_ctx, grpc_polling_entity_pollset(&detector.pollent), &destroy_closure); - grpc_exec_ctx_finish(&exec_ctx); g_polling_mu = NULL; + grpc_exec_ctx_flush(exec_ctx); gpr_free(grpc_polling_entity_pollset(&detector.pollent)); grpc_http_response_destroy(&detector.response); @@ -170,7 +172,7 @@ static int is_stack_running_on_compute_engine(void) { /* Takes ownership of creds_path if not NULL. */ static grpc_error *create_default_creds_from_path( - char *creds_path, grpc_call_credentials **creds) { + grpc_exec_ctx *exec_ctx, char *creds_path, grpc_call_credentials **creds) { grpc_json *json = NULL; grpc_auth_json_key key; grpc_auth_refresh_token token; @@ -200,7 +202,7 @@ static grpc_error *create_default_creds_from_path( if (grpc_auth_json_key_is_valid(&key)) { result = grpc_service_account_jwt_access_credentials_create_from_auth_json_key( - key, grpc_max_auth_token_lifetime()); + exec_ctx, key, grpc_max_auth_token_lifetime()); if (result == NULL) { error = GRPC_ERROR_CREATE( "grpc_service_account_jwt_access_credentials_create_from_auth_json_" @@ -225,7 +227,7 @@ static grpc_error *create_default_creds_from_path( end: GPR_ASSERT((result == NULL) + (error == GRPC_ERROR_NONE) == 1); if (creds_path != NULL) gpr_free(creds_path); - grpc_slice_unref(creds_data); + grpc_slice_unref_internal(exec_ctx, creds_data); if (json != NULL) grpc_json_destroy(json); *creds = result; return error; @@ -236,6 +238,7 @@ grpc_channel_credentials *grpc_google_default_credentials_create(void) { grpc_call_credentials *call_creds = NULL; grpc_error *error = GRPC_ERROR_CREATE("Failed to create Google credentials"); grpc_error *err; + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; GRPC_API_TRACE("grpc_google_default_credentials_create(void)", 0, ()); @@ -250,20 +253,22 @@ grpc_channel_credentials *grpc_google_default_credentials_create(void) { /* First, try the environment variable. */ err = create_default_creds_from_path( - gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR), &call_creds); + &exec_ctx, gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR), &call_creds); if (err == GRPC_ERROR_NONE) goto end; error = grpc_error_add_child(error, err); /* Then the well-known file. */ err = create_default_creds_from_path( - grpc_get_well_known_google_credentials_file_path(), &call_creds); + &exec_ctx, grpc_get_well_known_google_credentials_file_path(), + &call_creds); if (err == GRPC_ERROR_NONE) goto end; error = grpc_error_add_child(error, err); /* At last try to see if we're on compute engine (do the detection only once since it requires a network test). */ if (!compute_engine_detection_done) { - int need_compute_engine_creds = is_stack_running_on_compute_engine(); + int need_compute_engine_creds = + is_stack_running_on_compute_engine(&exec_ctx); compute_engine_detection_done = 1; if (need_compute_engine_creds) { call_creds = grpc_google_compute_engine_credentials_create(NULL); @@ -286,8 +291,8 @@ end: grpc_composite_channel_credentials_create(ssl_creds, call_creds, NULL)); GPR_ASSERT(default_credentials != NULL); - grpc_channel_credentials_unref(ssl_creds); - grpc_call_credentials_unref(call_creds); + grpc_channel_credentials_unref(&exec_ctx, ssl_creds); + grpc_call_credentials_unref(&exec_ctx, call_creds); result = default_credentials; } else { gpr_log(GPR_ERROR, "Could not create google default credentials."); @@ -299,18 +304,21 @@ end: } else { GRPC_ERROR_UNREF(error); } + grpc_exec_ctx_finish(&exec_ctx); return result; } void grpc_flush_cached_google_default_credentials(void) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; gpr_once_init(&g_once, init_default_credentials); gpr_mu_lock(&g_state_mu); if (default_credentials != NULL) { - grpc_channel_credentials_unref(default_credentials); + grpc_channel_credentials_unref(&exec_ctx, default_credentials); default_credentials = NULL; } compute_engine_detection_done = 0; gpr_mu_unlock(&g_state_mu); + grpc_exec_ctx_finish(&exec_ctx); } /* -- Well known credentials path. -- */ diff --git a/src/core/lib/security/credentials/iam/iam_credentials.c b/src/core/lib/security/credentials/iam/iam_credentials.c index 370a384d0e..abd69a9670 100644 --- a/src/core/lib/security/credentials/iam/iam_credentials.c +++ b/src/core/lib/security/credentials/iam/iam_credentials.c @@ -42,9 +42,10 @@ #include <grpc/support/string_util.h> #include <grpc/support/sync.h> -static void iam_destruct(grpc_call_credentials *creds) { +static void iam_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds; - grpc_credentials_md_store_unref(c->iam_md); + grpc_credentials_md_store_unref(exec_ctx, c->iam_md); } static void iam_get_request_metadata(grpc_exec_ctx *exec_ctx, diff --git a/src/core/lib/security/credentials/jwt/jwt_credentials.c b/src/core/lib/security/credentials/jwt/jwt_credentials.c index 3daf0f4ef7..616be64a54 100644 --- a/src/core/lib/security/credentials/jwt/jwt_credentials.c +++ b/src/core/lib/security/credentials/jwt/jwt_credentials.c @@ -42,9 +42,10 @@ #include <grpc/support/string_util.h> #include <grpc/support/sync.h> -static void jwt_reset_cache(grpc_service_account_jwt_access_credentials *c) { +static void jwt_reset_cache(grpc_exec_ctx *exec_ctx, + grpc_service_account_jwt_access_credentials *c) { if (c->cached.jwt_md != NULL) { - grpc_credentials_md_store_unref(c->cached.jwt_md); + grpc_credentials_md_store_unref(exec_ctx, c->cached.jwt_md); c->cached.jwt_md = NULL; } if (c->cached.service_url != NULL) { @@ -54,11 +55,12 @@ static void jwt_reset_cache(grpc_service_account_jwt_access_credentials *c) { c->cached.jwt_expiration = gpr_inf_past(GPR_CLOCK_REALTIME); } -static void jwt_destruct(grpc_call_credentials *creds) { +static void jwt_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_service_account_jwt_access_credentials *c = (grpc_service_account_jwt_access_credentials *)creds; grpc_auth_json_key_destruct(&c->key); - jwt_reset_cache(c); + jwt_reset_cache(exec_ctx, c); gpr_mu_destroy(&c->cache_mu); } @@ -92,7 +94,7 @@ static void jwt_get_request_metadata(grpc_exec_ctx *exec_ctx, char *jwt = NULL; /* Generate a new jwt. */ gpr_mu_lock(&c->cache_mu); - jwt_reset_cache(c); + jwt_reset_cache(exec_ctx, c); jwt = grpc_jwt_encode_and_sign(&c->key, context.service_url, c->jwt_lifetime, NULL); if (jwt != NULL) { @@ -114,7 +116,7 @@ static void jwt_get_request_metadata(grpc_exec_ctx *exec_ctx, if (jwt_md != NULL) { cb(exec_ctx, user_data, jwt_md->entries, jwt_md->num_entries, GRPC_CREDENTIALS_OK, NULL); - grpc_credentials_md_store_unref(jwt_md); + grpc_credentials_md_store_unref(exec_ctx, jwt_md); } else { cb(exec_ctx, user_data, NULL, 0, GRPC_CREDENTIALS_ERROR, "Could not generate JWT."); @@ -126,7 +128,8 @@ static grpc_call_credentials_vtable jwt_vtable = {jwt_destruct, grpc_call_credentials * grpc_service_account_jwt_access_credentials_create_from_auth_json_key( - grpc_auth_json_key key, gpr_timespec token_lifetime) { + grpc_exec_ctx *exec_ctx, grpc_auth_json_key key, + gpr_timespec token_lifetime) { grpc_service_account_jwt_access_credentials *c; if (!grpc_auth_json_key_is_valid(&key)) { gpr_log(GPR_ERROR, "Invalid input for jwt credentials creation"); @@ -140,7 +143,7 @@ grpc_service_account_jwt_access_credentials_create_from_auth_json_key( c->key = key; c->jwt_lifetime = token_lifetime; gpr_mu_init(&c->cache_mu); - jwt_reset_cache(c); + jwt_reset_cache(exec_ctx, c); return &c->base; } @@ -183,6 +186,11 @@ grpc_call_credentials *grpc_service_account_jwt_access_credentials_create( gpr_free(clean_json); } GPR_ASSERT(reserved == NULL); - return grpc_service_account_jwt_access_credentials_create_from_auth_json_key( - grpc_auth_json_key_create_from_string(json_key), token_lifetime); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_call_credentials *creds = + grpc_service_account_jwt_access_credentials_create_from_auth_json_key( + &exec_ctx, grpc_auth_json_key_create_from_string(json_key), + token_lifetime); + grpc_exec_ctx_finish(&exec_ctx); + return creds; } diff --git a/src/core/lib/security/credentials/jwt/jwt_credentials.h b/src/core/lib/security/credentials/jwt/jwt_credentials.h index d572606179..39b7aeafe8 100644 --- a/src/core/lib/security/credentials/jwt/jwt_credentials.h +++ b/src/core/lib/security/credentials/jwt/jwt_credentials.h @@ -57,6 +57,7 @@ typedef struct { // Takes ownership of the key. grpc_call_credentials * grpc_service_account_jwt_access_credentials_create_from_auth_json_key( - grpc_auth_json_key key, gpr_timespec token_lifetime); + grpc_exec_ctx *exec_ctx, grpc_auth_json_key key, + gpr_timespec token_lifetime); #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JWT_CREDENTIALS_H */ diff --git a/src/core/lib/security/credentials/jwt/jwt_verifier.c b/src/core/lib/security/credentials/jwt/jwt_verifier.c index 42bd89dd0a..2270be8f44 100644 --- a/src/core/lib/security/credentials/jwt/jwt_verifier.c +++ b/src/core/lib/security/credentials/jwt/jwt_verifier.c @@ -36,11 +36,6 @@ #include <limits.h> #include <string.h> -#include "src/core/lib/http/httpcli.h" -#include "src/core/lib/iomgr/polling_entity.h" -#include "src/core/lib/security/util/b64.h" -#include "src/core/lib/tsi/ssl_types.h" - #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> @@ -48,6 +43,13 @@ #include <grpc/support/useful.h> #include <openssl/pem.h> +#include "src/core/lib/http/httpcli.h" +#include "src/core/lib/iomgr/polling_entity.h" +#include "src/core/lib/security/util/b64.h" +#include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/support/string.h" +#include "src/core/lib/tsi/ssl_types.h" + /* --- Utils. --- */ const char *grpc_jwt_verifier_status_to_string( @@ -84,11 +86,12 @@ static const EVP_MD *evp_md_from_alg(const char *alg) { } } -static grpc_json *parse_json_part_from_jwt(const char *str, size_t len, +static grpc_json *parse_json_part_from_jwt(grpc_exec_ctx *exec_ctx, + const char *str, size_t len, grpc_slice *buffer) { grpc_json *json; - *buffer = grpc_base64_decode_with_len(str, len, 1); + *buffer = grpc_base64_decode_with_len(exec_ctx, str, len, 1); if (GRPC_SLICE_IS_EMPTY(*buffer)) { gpr_log(GPR_ERROR, "Invalid base64."); return NULL; @@ -96,7 +99,7 @@ static grpc_json *parse_json_part_from_jwt(const char *str, size_t len, json = grpc_json_parse_string_with_len((char *)GRPC_SLICE_START_PTR(*buffer), GRPC_SLICE_LENGTH(*buffer)); if (json == NULL) { - grpc_slice_unref(*buffer); + grpc_slice_unref_internal(exec_ctx, *buffer); gpr_log(GPR_ERROR, "JSON parsing error."); } return json; @@ -132,13 +135,14 @@ typedef struct { grpc_slice buffer; } jose_header; -static void jose_header_destroy(jose_header *h) { - grpc_slice_unref(h->buffer); +static void jose_header_destroy(grpc_exec_ctx *exec_ctx, jose_header *h) { + grpc_slice_unref_internal(exec_ctx, h->buffer); gpr_free(h); } /* Takes ownership of json and buffer. */ -static jose_header *jose_header_from_json(grpc_json *json, grpc_slice buffer) { +static jose_header *jose_header_from_json(grpc_exec_ctx *exec_ctx, + grpc_json *json, grpc_slice buffer) { grpc_json *cur; jose_header *h = gpr_malloc(sizeof(jose_header)); memset(h, 0, sizeof(jose_header)); @@ -173,7 +177,7 @@ static jose_header *jose_header_from_json(grpc_json *json, grpc_slice buffer) { error: grpc_json_destroy(json); - jose_header_destroy(h); + jose_header_destroy(exec_ctx, h); return NULL; } @@ -193,9 +197,9 @@ struct grpc_jwt_claims { grpc_slice buffer; }; -void grpc_jwt_claims_destroy(grpc_jwt_claims *claims) { +void grpc_jwt_claims_destroy(grpc_exec_ctx *exec_ctx, grpc_jwt_claims *claims) { grpc_json_destroy(claims->json); - grpc_slice_unref(claims->buffer); + grpc_slice_unref_internal(exec_ctx, claims->buffer); gpr_free(claims); } @@ -240,7 +244,8 @@ gpr_timespec grpc_jwt_claims_not_before(const grpc_jwt_claims *claims) { } /* Takes ownership of json and buffer even in case of failure. */ -grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, grpc_slice buffer) { +grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_exec_ctx *exec_ctx, + grpc_json *json, grpc_slice buffer) { grpc_json *cur; grpc_jwt_claims *claims = gpr_malloc(sizeof(grpc_jwt_claims)); memset(claims, 0, sizeof(grpc_jwt_claims)); @@ -281,7 +286,7 @@ grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, grpc_slice buffer) { return claims; error: - grpc_jwt_claims_destroy(claims); + grpc_jwt_claims_destroy(exec_ctx, claims); return NULL; } @@ -305,6 +310,17 @@ grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims, return GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE; } + /* This should be probably up to the upper layer to decide but let's harcode + the 99% use case here for email issuers, where the JWT must be self + issued. */ + if (grpc_jwt_issuer_email_domain(claims->iss) != NULL && + claims->sub != NULL && strcmp(claims->iss, claims->sub) != 0) { + gpr_log(GPR_ERROR, + "Email issuer (%s) cannot assert another subject (%s) than itself.", + claims->iss, claims->sub); + return GRPC_JWT_VERIFIER_BAD_SUBJECT; + } + if (audience == NULL) { audience_ok = claims->aud == NULL; } else { @@ -362,12 +378,12 @@ static verifier_cb_ctx *verifier_cb_ctx_create( return ctx; } -void verifier_cb_ctx_destroy(verifier_cb_ctx *ctx) { +void verifier_cb_ctx_destroy(grpc_exec_ctx *exec_ctx, verifier_cb_ctx *ctx) { if (ctx->audience != NULL) gpr_free(ctx->audience); - if (ctx->claims != NULL) grpc_jwt_claims_destroy(ctx->claims); - grpc_slice_unref(ctx->signature); - grpc_slice_unref(ctx->signed_data); - jose_header_destroy(ctx->header); + if (ctx->claims != NULL) grpc_jwt_claims_destroy(exec_ctx, ctx->claims); + grpc_slice_unref_internal(exec_ctx, ctx->signature); + grpc_slice_unref_internal(exec_ctx, ctx->signed_data); + jose_header_destroy(exec_ctx, ctx->header); for (size_t i = 0; i < HTTP_RESPONSE_COUNT; i++) { grpc_http_response_destroy(&ctx->responses[i]); } @@ -447,23 +463,24 @@ end: return result; } -static BIGNUM *bignum_from_base64(const char *b64) { +static BIGNUM *bignum_from_base64(grpc_exec_ctx *exec_ctx, const char *b64) { BIGNUM *result = NULL; grpc_slice bin; if (b64 == NULL) return NULL; - bin = grpc_base64_decode(b64, 1); + bin = grpc_base64_decode(exec_ctx, b64, 1); if (GRPC_SLICE_IS_EMPTY(bin)) { gpr_log(GPR_ERROR, "Invalid base64 for big num."); return NULL; } result = BN_bin2bn(GRPC_SLICE_START_PTR(bin), TSI_SIZE_AS_SIZE(GRPC_SLICE_LENGTH(bin)), NULL); - grpc_slice_unref(bin); + grpc_slice_unref_internal(exec_ctx, bin); return result; } -static EVP_PKEY *pkey_from_jwk(const grpc_json *json, const char *kty) { +static EVP_PKEY *pkey_from_jwk(grpc_exec_ctx *exec_ctx, const grpc_json *json, + const char *kty) { const grpc_json *key_prop; RSA *rsa = NULL; EVP_PKEY *result = NULL; @@ -480,10 +497,12 @@ static EVP_PKEY *pkey_from_jwk(const grpc_json *json, const char *kty) { } for (key_prop = json->child; key_prop != NULL; key_prop = key_prop->next) { if (strcmp(key_prop->key, "n") == 0) { - rsa->n = bignum_from_base64(validate_string_field(key_prop, "n")); + rsa->n = + bignum_from_base64(exec_ctx, validate_string_field(key_prop, "n")); if (rsa->n == NULL) goto end; } else if (strcmp(key_prop->key, "e") == 0) { - rsa->e = bignum_from_base64(validate_string_field(key_prop, "e")); + rsa->e = + bignum_from_base64(exec_ctx, validate_string_field(key_prop, "e")); if (rsa->e == NULL) goto end; } } @@ -499,7 +518,8 @@ end: return result; } -static EVP_PKEY *find_verification_key(const grpc_json *json, +static EVP_PKEY *find_verification_key(grpc_exec_ctx *exec_ctx, + const grpc_json *json, const char *header_alg, const char *header_kid) { const grpc_json *jkey; @@ -543,7 +563,7 @@ static EVP_PKEY *find_verification_key(const grpc_json *json, } if (alg != NULL && kid != NULL && kty != NULL && strcmp(kid, header_kid) == 0 && strcmp(alg, header_alg) == 0) { - return pkey_from_jwk(jkey, kty); + return pkey_from_jwk(exec_ctx, jkey, kty); } } gpr_log(GPR_ERROR, @@ -597,7 +617,7 @@ static void on_keys_retrieved(grpc_exec_ctx *exec_ctx, void *user_data, goto end; } verification_key = - find_verification_key(json, ctx->header->alg, ctx->header->kid); + find_verification_key(exec_ctx, json, ctx->header->alg, ctx->header->kid); if (verification_key == NULL) { gpr_log(GPR_ERROR, "Could not find verification key with kid %s.", ctx->header->kid); @@ -621,8 +641,8 @@ static void on_keys_retrieved(grpc_exec_ctx *exec_ctx, void *user_data, end: if (json != NULL) grpc_json_destroy(json); if (verification_key != NULL) EVP_PKEY_free(verification_key); - ctx->user_cb(ctx->user_data, status, claims); - verifier_cb_ctx_destroy(ctx); + ctx->user_cb(exec_ctx, ctx->user_data, status, claims); + verifier_cb_ctx_destroy(exec_ctx, ctx); } static void on_openid_config_retrieved(grpc_exec_ctx *exec_ctx, void *user_data, @@ -665,17 +685,18 @@ static void on_openid_config_retrieved(grpc_exec_ctx *exec_ctx, void *user_data, grpc_httpcli_get( exec_ctx, &ctx->verifier->http_ctx, &ctx->pollent, resource_quota, &req, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), grpc_jwt_verifier_max_delay), - grpc_closure_create(on_keys_retrieved, ctx), + grpc_closure_create(on_keys_retrieved, ctx, grpc_schedule_on_exec_ctx), &ctx->responses[HTTP_RESPONSE_KEYS]); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); grpc_json_destroy(json); gpr_free(req.host); return; error: if (json != NULL) grpc_json_destroy(json); - ctx->user_cb(ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, NULL); - verifier_cb_ctx_destroy(ctx); + ctx->user_cb(exec_ctx, ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, + NULL); + verifier_cb_ctx_destroy(exec_ctx, ctx); } static email_key_mapping *verifier_get_mapping(grpc_jwt_verifier *v, @@ -705,10 +726,26 @@ static void verifier_put_mapping(grpc_jwt_verifier *v, const char *email_domain, GPR_ASSERT(v->num_mappings <= v->allocated_mappings); } +/* Very non-sophisticated way to detect an email address. Should be good + enough for now... */ +const char *grpc_jwt_issuer_email_domain(const char *issuer) { + const char *at_sign = strchr(issuer, '@'); + if (at_sign == NULL) return NULL; + const char *email_domain = at_sign + 1; + if (*email_domain == '\0') return NULL; + const char *dot = strrchr(email_domain, '.'); + if (dot == NULL || dot == email_domain) return email_domain; + GPR_ASSERT(dot > email_domain); + /* There may be a subdomain, we just want the domain. */ + dot = gpr_memrchr(email_domain, '.', (size_t)(dot - email_domain)); + if (dot == NULL) return email_domain; + return dot + 1; +} + /* Takes ownership of ctx. */ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx, verifier_cb_ctx *ctx) { - const char *at_sign; + const char *email_domain; grpc_closure *http_cb; char *path_prefix = NULL; const char *iss; @@ -733,13 +770,9 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx, Nobody seems to implement the account/email/webfinger part 2. of the spec so we will rely instead on email/url mappings if we detect such an issuer. Part 4, on the other hand is implemented by both google and salesforce. */ - - /* Very non-sophisticated way to detect an email address. Should be good - enough for now... */ - at_sign = strchr(iss, '@'); - if (at_sign != NULL) { + email_domain = grpc_jwt_issuer_email_domain(iss); + if (email_domain != NULL) { email_key_mapping *mapping; - const char *email_domain = at_sign + 1; GPR_ASSERT(ctx->verifier != NULL); mapping = verifier_get_mapping(ctx->verifier, email_domain); if (mapping == NULL) { @@ -754,7 +787,8 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx, *(path_prefix++) = '\0'; gpr_asprintf(&req.http.path, "/%s/%s", path_prefix, iss); } - http_cb = grpc_closure_create(on_keys_retrieved, ctx); + http_cb = + grpc_closure_create(on_keys_retrieved, ctx, grpc_schedule_on_exec_ctx); rsp_idx = HTTP_RESPONSE_KEYS; } else { req.host = gpr_strdup(strstr(iss, "https://") == iss ? iss + 8 : iss); @@ -766,7 +800,8 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx, gpr_asprintf(&req.http.path, "/%s%s", path_prefix, GRPC_OPENID_CONFIG_URL_SUFFIX); } - http_cb = grpc_closure_create(on_openid_config_retrieved, ctx); + http_cb = grpc_closure_create(on_openid_config_retrieved, ctx, + grpc_schedule_on_exec_ctx); rsp_idx = HTTP_RESPONSE_OPENID; } @@ -779,14 +814,15 @@ static void retrieve_key_and_verify(grpc_exec_ctx *exec_ctx, exec_ctx, &ctx->verifier->http_ctx, &ctx->pollent, resource_quota, &req, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), grpc_jwt_verifier_max_delay), http_cb, &ctx->responses[rsp_idx]); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); gpr_free(req.host); gpr_free(req.http.path); return; error: - ctx->user_cb(ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, NULL); - verifier_cb_ctx_destroy(ctx); + ctx->user_cb(exec_ctx, ctx->user_data, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, + NULL); + verifier_cb_ctx_destroy(exec_ctx, ctx); } void grpc_jwt_verifier_verify(grpc_exec_ctx *exec_ctx, @@ -808,22 +844,24 @@ void grpc_jwt_verifier_verify(grpc_exec_ctx *exec_ctx, GPR_ASSERT(verifier != NULL && jwt != NULL && audience != NULL && cb != NULL); dot = strchr(cur, '.'); if (dot == NULL) goto error; - json = parse_json_part_from_jwt(cur, (size_t)(dot - cur), &header_buffer); + json = parse_json_part_from_jwt(exec_ctx, cur, (size_t)(dot - cur), + &header_buffer); if (json == NULL) goto error; - header = jose_header_from_json(json, header_buffer); + header = jose_header_from_json(exec_ctx, json, header_buffer); if (header == NULL) goto error; cur = dot + 1; dot = strchr(cur, '.'); if (dot == NULL) goto error; - json = parse_json_part_from_jwt(cur, (size_t)(dot - cur), &claims_buffer); + json = parse_json_part_from_jwt(exec_ctx, cur, (size_t)(dot - cur), + &claims_buffer); if (json == NULL) goto error; - claims = grpc_jwt_claims_from_json(json, claims_buffer); + claims = grpc_jwt_claims_from_json(exec_ctx, json, claims_buffer); if (claims == NULL) goto error; signed_jwt_len = (size_t)(dot - jwt); cur = dot + 1; - signature = grpc_base64_decode(cur, 1); + signature = grpc_base64_decode(exec_ctx, cur, 1); if (GRPC_SLICE_IS_EMPTY(signature)) goto error; retrieve_key_and_verify( exec_ctx, @@ -832,9 +870,9 @@ void grpc_jwt_verifier_verify(grpc_exec_ctx *exec_ctx, return; error: - if (header != NULL) jose_header_destroy(header); - if (claims != NULL) grpc_jwt_claims_destroy(claims); - cb(user_data, GRPC_JWT_VERIFIER_BAD_FORMAT, NULL); + if (header != NULL) jose_header_destroy(exec_ctx, header); + if (claims != NULL) grpc_jwt_claims_destroy(exec_ctx, claims); + cb(exec_ctx, user_data, GRPC_JWT_VERIFIER_BAD_FORMAT, NULL); } grpc_jwt_verifier *grpc_jwt_verifier_create( diff --git a/src/core/lib/security/credentials/jwt/jwt_verifier.h b/src/core/lib/security/credentials/jwt/jwt_verifier.h index f09f9d5d47..4fa320a415 100644 --- a/src/core/lib/security/credentials/jwt/jwt_verifier.h +++ b/src/core/lib/security/credentials/jwt/jwt_verifier.h @@ -43,8 +43,7 @@ /* --- Constants. --- */ #define GRPC_OPENID_CONFIG_URL_SUFFIX "/.well-known/openid-configuration" -#define GRPC_GOOGLE_SERVICE_ACCOUNTS_EMAIL_DOMAIN \ - "developer.gserviceaccount.com" +#define GRPC_GOOGLE_SERVICE_ACCOUNTS_EMAIL_DOMAIN "gserviceaccount.com" #define GRPC_GOOGLE_SERVICE_ACCOUNTS_KEY_URL_PREFIX \ "www.googleapis.com/robot/v1/metadata/x509" @@ -57,6 +56,7 @@ typedef enum { GRPC_JWT_VERIFIER_BAD_AUDIENCE, GRPC_JWT_VERIFIER_KEY_RETRIEVAL_ERROR, GRPC_JWT_VERIFIER_TIME_CONSTRAINT_FAILURE, + GRPC_JWT_VERIFIER_BAD_SUBJECT, GRPC_JWT_VERIFIER_GENERIC_ERROR } grpc_jwt_verifier_status; @@ -66,7 +66,7 @@ const char *grpc_jwt_verifier_status_to_string(grpc_jwt_verifier_status status); typedef struct grpc_jwt_claims grpc_jwt_claims; -void grpc_jwt_claims_destroy(grpc_jwt_claims *claims); +void grpc_jwt_claims_destroy(grpc_exec_ctx *exec_ctx, grpc_jwt_claims *claims); /* Returns the whole JSON tree of the claims. */ const grpc_json *grpc_jwt_claims_json(const grpc_jwt_claims *claims); @@ -115,7 +115,8 @@ void grpc_jwt_verifier_destroy(grpc_jwt_verifier *verifier); is done (maybe in another thread). It is the responsibility of the callee to call grpc_jwt_claims_destroy on the claims. */ -typedef void (*grpc_jwt_verification_done_cb)(void *user_data, +typedef void (*grpc_jwt_verification_done_cb)(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_jwt_verifier_status status, grpc_jwt_claims *claims); @@ -129,8 +130,10 @@ void grpc_jwt_verifier_verify(grpc_exec_ctx *exec_ctx, /* --- TESTING ONLY exposed functions. --- */ -grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_json *json, grpc_slice buffer); +grpc_jwt_claims *grpc_jwt_claims_from_json(grpc_exec_ctx *exec_ctx, + grpc_json *json, grpc_slice buffer); grpc_jwt_verifier_status grpc_jwt_claims_check(const grpc_jwt_claims *claims, const char *audience); +const char *grpc_jwt_issuer_email_domain(const char *issuer); #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JWT_VERIFIER_H */ diff --git a/src/core/lib/security/credentials/oauth2/oauth2_credentials.c b/src/core/lib/security/credentials/oauth2/oauth2_credentials.c index b3625b22c0..1b0e43a1e4 100644 --- a/src/core/lib/security/credentials/oauth2/oauth2_credentials.c +++ b/src/core/lib/security/credentials/oauth2/oauth2_credentials.c @@ -118,18 +118,19 @@ void grpc_auth_refresh_token_destruct(grpc_auth_refresh_token *refresh_token) { // Oauth2 Token Fetcher credentials. // -static void oauth2_token_fetcher_destruct(grpc_call_credentials *creds) { +static void oauth2_token_fetcher_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_oauth2_token_fetcher_credentials *c = (grpc_oauth2_token_fetcher_credentials *)creds; - grpc_credentials_md_store_unref(c->access_token_md); + grpc_credentials_md_store_unref(exec_ctx, c->access_token_md); gpr_mu_destroy(&c->mu); grpc_httpcli_context_destroy(&c->httpcli_context); } grpc_credentials_status grpc_oauth2_token_fetcher_credentials_parse_server_response( - const grpc_http_response *response, grpc_credentials_md_store **token_md, - gpr_timespec *token_lifetime) { + grpc_exec_ctx *exec_ctx, const grpc_http_response *response, + grpc_credentials_md_store **token_md, gpr_timespec *token_lifetime) { char *null_terminated_body = NULL; char *new_access_token = NULL; grpc_credentials_status status = GRPC_CREDENTIALS_OK; @@ -198,7 +199,7 @@ grpc_oauth2_token_fetcher_credentials_parse_server_response( token_lifetime->tv_sec = strtol(expires_in->value, NULL, 10); token_lifetime->tv_nsec = 0; token_lifetime->clock_type = GPR_TIMESPAN; - if (*token_md != NULL) grpc_credentials_md_store_unref(*token_md); + if (*token_md != NULL) grpc_credentials_md_store_unref(exec_ctx, *token_md); *token_md = grpc_credentials_md_store_create(1); grpc_credentials_md_store_add_cstrings( *token_md, GRPC_AUTHORIZATION_METADATA_KEY, new_access_token); @@ -207,7 +208,7 @@ grpc_oauth2_token_fetcher_credentials_parse_server_response( end: if (status != GRPC_CREDENTIALS_OK && (*token_md != NULL)) { - grpc_credentials_md_store_unref(*token_md); + grpc_credentials_md_store_unref(exec_ctx, *token_md); *token_md = NULL; } if (null_terminated_body != NULL) gpr_free(null_terminated_body); @@ -230,7 +231,7 @@ static void on_oauth2_token_fetcher_http_response(grpc_exec_ctx *exec_ctx, gpr_mu_lock(&c->mu); status = grpc_oauth2_token_fetcher_credentials_parse_server_response( - &r->response, &c->access_token_md, &token_lifetime); + exec_ctx, &r->response, &c->access_token_md, &token_lifetime); if (status == GRPC_CREDENTIALS_OK) { c->token_expiration = gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), token_lifetime); @@ -242,7 +243,7 @@ static void on_oauth2_token_fetcher_http_response(grpc_exec_ctx *exec_ctx, "Error occured when fetching oauth2 token."); } gpr_mu_unlock(&c->mu); - grpc_credentials_metadata_request_destroy(r); + grpc_credentials_metadata_request_destroy(exec_ctx, r); } static void oauth2_token_fetcher_get_request_metadata( @@ -268,7 +269,7 @@ static void oauth2_token_fetcher_get_request_metadata( if (cached_access_token_md != NULL) { cb(exec_ctx, user_data, cached_access_token_md->entries, cached_access_token_md->num_entries, GRPC_CREDENTIALS_OK, NULL); - grpc_credentials_md_store_unref(cached_access_token_md); + grpc_credentials_md_store_unref(exec_ctx, cached_access_token_md); } else { c->fetch_func( exec_ctx, @@ -312,10 +313,12 @@ static void compute_engine_fetch_oauth2( extreme memory pressure. */ grpc_resource_quota *resource_quota = grpc_resource_quota_create("oauth2_credentials"); - grpc_httpcli_get(exec_ctx, httpcli_context, pollent, resource_quota, &request, - deadline, grpc_closure_create(response_cb, metadata_req), - &metadata_req->response); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_httpcli_get( + exec_ctx, httpcli_context, pollent, resource_quota, &request, deadline, + grpc_closure_create(response_cb, metadata_req, grpc_schedule_on_exec_ctx), + + &metadata_req->response); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); } grpc_call_credentials *grpc_google_compute_engine_credentials_create( @@ -334,11 +337,12 @@ grpc_call_credentials *grpc_google_compute_engine_credentials_create( // Google Refresh Token credentials. // -static void refresh_token_destruct(grpc_call_credentials *creds) { +static void refresh_token_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_google_refresh_token_credentials *c = (grpc_google_refresh_token_credentials *)creds; grpc_auth_refresh_token_destruct(&c->refresh_token); - oauth2_token_fetcher_destruct(&c->base.base); + oauth2_token_fetcher_destruct(exec_ctx, &c->base.base); } static grpc_call_credentials_vtable refresh_token_vtable = { @@ -368,11 +372,12 @@ static void refresh_token_fetch_oauth2( extreme memory pressure. */ grpc_resource_quota *resource_quota = grpc_resource_quota_create("oauth2_credentials_refresh"); - grpc_httpcli_post(exec_ctx, httpcli_context, pollent, resource_quota, - &request, body, strlen(body), deadline, - grpc_closure_create(response_cb, metadata_req), - &metadata_req->response); - grpc_resource_quota_internal_unref(exec_ctx, resource_quota); + grpc_httpcli_post( + exec_ctx, httpcli_context, pollent, resource_quota, &request, body, + strlen(body), deadline, + grpc_closure_create(response_cb, metadata_req, grpc_schedule_on_exec_ctx), + &metadata_req->response); + grpc_resource_quota_unref_internal(exec_ctx, resource_quota); gpr_free(body); } @@ -424,9 +429,10 @@ grpc_call_credentials *grpc_google_refresh_token_credentials_create( // Oauth2 Access Token credentials. // -static void access_token_destruct(grpc_call_credentials *creds) { +static void access_token_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds; - grpc_credentials_md_store_unref(c->access_token_md); + grpc_credentials_md_store_unref(exec_ctx, c->access_token_md); } static void access_token_get_request_metadata( diff --git a/src/core/lib/security/credentials/oauth2/oauth2_credentials.h b/src/core/lib/security/credentials/oauth2/oauth2_credentials.h index 7f6f205c22..2d7c02ccf5 100644 --- a/src/core/lib/security/credentials/oauth2/oauth2_credentials.h +++ b/src/core/lib/security/credentials/oauth2/oauth2_credentials.h @@ -103,7 +103,7 @@ grpc_refresh_token_credentials_create_from_auth_refresh_token( // Exposed for testing only. grpc_credentials_status grpc_oauth2_token_fetcher_credentials_parse_server_response( - const struct grpc_http_response *response, + grpc_exec_ctx *exec_ctx, const struct grpc_http_response *response, grpc_credentials_md_store **token_md, gpr_timespec *token_lifetime); #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_OAUTH2_OAUTH2_CREDENTIALS_H */ diff --git a/src/core/lib/security/credentials/plugin/plugin_credentials.c b/src/core/lib/security/credentials/plugin/plugin_credentials.c index 5d950098a0..f90d7dce83 100644 --- a/src/core/lib/security/credentials/plugin/plugin_credentials.c +++ b/src/core/lib/security/credentials/plugin/plugin_credentials.c @@ -35,20 +35,22 @@ #include <string.h> -#include "src/core/lib/surface/api_trace.h" - #include <grpc/grpc.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> #include <grpc/support/sync.h> +#include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/surface/api_trace.h" + typedef struct { void *user_data; grpc_credentials_metadata_cb cb; } grpc_metadata_plugin_request; -static void plugin_destruct(grpc_call_credentials *creds) { +static void plugin_destruct(grpc_exec_ctx *exec_ctx, + grpc_call_credentials *creds) { grpc_plugin_credentials *c = (grpc_plugin_credentials *)creds; if (c->plugin.state != NULL && c->plugin.destroy != NULL) { c->plugin.destroy(c->plugin.state); @@ -100,8 +102,8 @@ static void plugin_md_request_metadata_ready(void *request, r->cb(&exec_ctx, r->user_data, md_array, num_md, GRPC_CREDENTIALS_OK, NULL); for (i = 0; i < num_md; i++) { - grpc_slice_unref(md_array[i].key); - grpc_slice_unref(md_array[i].value); + grpc_slice_unref_internal(&exec_ctx, md_array[i].key); + grpc_slice_unref_internal(&exec_ctx, md_array[i].value); } gpr_free(md_array); } else if (num_md == 0) { diff --git a/src/core/lib/security/credentials/ssl/ssl_credentials.c b/src/core/lib/security/credentials/ssl/ssl_credentials.c index 0dc1fccec4..4eebb7d613 100644 --- a/src/core/lib/security/credentials/ssl/ssl_credentials.c +++ b/src/core/lib/security/credentials/ssl/ssl_credentials.c @@ -57,7 +57,8 @@ static void ssl_copy_key_material(const char *input, unsigned char **output, // SSL Channel Credentials. // -static void ssl_destruct(grpc_channel_credentials *creds) { +static void ssl_destruct(grpc_exec_ctx *exec_ctx, + grpc_channel_credentials *creds) { grpc_ssl_credentials *c = (grpc_ssl_credentials *)creds; if (c->config.pem_root_certs != NULL) gpr_free(c->config.pem_root_certs); if (c->config.pem_private_key != NULL) gpr_free(c->config.pem_private_key); @@ -65,9 +66,10 @@ static void ssl_destruct(grpc_channel_credentials *creds) { } static grpc_security_status ssl_create_security_connector( - grpc_channel_credentials *creds, grpc_call_credentials *call_creds, - const char *target, const grpc_channel_args *args, - grpc_channel_security_connector **sc, grpc_channel_args **new_args) { + grpc_exec_ctx *exec_ctx, grpc_channel_credentials *creds, + grpc_call_credentials *call_creds, const char *target, + const grpc_channel_args *args, grpc_channel_security_connector **sc, + grpc_channel_args **new_args) { grpc_ssl_credentials *c = (grpc_ssl_credentials *)creds; grpc_security_status status = GRPC_SECURITY_OK; size_t i = 0; @@ -83,7 +85,7 @@ static grpc_security_status ssl_create_security_connector( } } status = grpc_ssl_channel_security_connector_create( - call_creds, &c->config, target, overridden_target_name, sc); + exec_ctx, call_creds, &c->config, target, overridden_target_name, sc); if (status != GRPC_SECURITY_OK) { return status; } @@ -138,7 +140,8 @@ grpc_channel_credentials *grpc_ssl_credentials_create( // SSL Server Credentials. // -static void ssl_server_destruct(grpc_server_credentials *creds) { +static void ssl_server_destruct(grpc_exec_ctx *exec_ctx, + grpc_server_credentials *creds) { grpc_ssl_server_credentials *c = (grpc_ssl_server_credentials *)creds; size_t i; for (i = 0; i < c->config.num_key_cert_pairs; i++) { @@ -161,9 +164,10 @@ static void ssl_server_destruct(grpc_server_credentials *creds) { } static grpc_security_status ssl_server_create_security_connector( - grpc_server_credentials *creds, grpc_server_security_connector **sc) { + grpc_exec_ctx *exec_ctx, grpc_server_credentials *creds, + grpc_server_security_connector **sc) { grpc_ssl_server_credentials *c = (grpc_ssl_server_credentials *)creds; - return grpc_ssl_server_security_connector_create(&c->config, sc); + return grpc_ssl_server_security_connector_create(exec_ctx, &c->config, sc); } static grpc_server_credentials_vtable ssl_server_vtable = { diff --git a/src/core/lib/security/transport/client_auth_filter.c b/src/core/lib/security/transport/client_auth_filter.c index 053bf5972c..b7f6fd23e3 100644 --- a/src/core/lib/security/transport/client_auth_filter.c +++ b/src/core/lib/security/transport/client_auth_filter.c @@ -44,6 +44,7 @@ #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" #include "src/core/lib/security/transport/security_connector.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" #include "src/core/lib/surface/call.h" #include "src/core/lib/transport/static_metadata.h" @@ -93,7 +94,8 @@ static void bubble_up_error(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, call_data *calld = elem->call_data; gpr_log(GPR_ERROR, "Client side authentication failure: %s", error_msg); grpc_slice error_slice = grpc_slice_from_copied_string(error_msg); - grpc_transport_stream_op_add_close(&calld->op, status, &error_slice); + grpc_transport_stream_op_add_close(exec_ctx, &calld->op, status, + &error_slice); grpc_call_next_op(exec_ctx, elem, &calld->op); } @@ -121,8 +123,9 @@ static void on_credentials_metadata(grpc_exec_ctx *exec_ctx, void *user_data, for (i = 0; i < num_md; i++) { grpc_metadata_batch_add_tail( mdb, &calld->md_links[i], - grpc_mdelem_from_slices(grpc_slice_ref(md_elems[i].key), - grpc_slice_ref(md_elems[i].value))); + grpc_mdelem_from_slices(exec_ctx, + grpc_slice_ref_internal(md_elems[i].key), + grpc_slice_ref_internal(md_elems[i].value))); } grpc_call_next_op(exec_ctx, elem, op); } @@ -248,10 +251,10 @@ static void auth_start_transport_op(grpc_exec_ctx *exec_ctx, /* Pointer comparison is OK for md_elems created from the same context. */ if (md->key == GRPC_MDSTR_AUTHORITY) { - if (calld->host != NULL) GRPC_MDSTR_UNREF(calld->host); + if (calld->host != NULL) GRPC_MDSTR_UNREF(exec_ctx, calld->host); calld->host = GRPC_MDSTR_REF(md->value); } else if (md->key == GRPC_MDSTR_PATH) { - if (calld->method != NULL) GRPC_MDSTR_UNREF(calld->method); + if (calld->method != NULL) GRPC_MDSTR_UNREF(exec_ctx, calld->method); calld->method = GRPC_MDSTR_REF(md->value); } } @@ -292,20 +295,20 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, const grpc_call_final_info *final_info, void *ignored) { call_data *calld = elem->call_data; - grpc_call_credentials_unref(calld->creds); + grpc_call_credentials_unref(exec_ctx, calld->creds); if (calld->host != NULL) { - GRPC_MDSTR_UNREF(calld->host); + GRPC_MDSTR_UNREF(exec_ctx, calld->host); } if (calld->method != NULL) { - GRPC_MDSTR_UNREF(calld->method); + GRPC_MDSTR_UNREF(exec_ctx, calld->method); } reset_auth_metadata_context(&calld->auth_md_context); } /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { grpc_security_connector *sc = grpc_find_security_connector_in_args(args->channel_args); grpc_auth_context *auth_context = @@ -327,6 +330,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, sc, "client_auth_filter"); chand->auth_context = GRPC_AUTH_CONTEXT_REF(auth_context, "client_auth_filter"); + return GRPC_ERROR_NONE; } /* Destructor for channel data */ @@ -336,7 +340,7 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, channel_data *chand = elem->channel_data; grpc_channel_security_connector *sc = chand->security_connector; if (sc != NULL) { - GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "client_auth_filter"); + GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, &sc->base, "client_auth_filter"); } GRPC_AUTH_CONTEXT_UNREF(chand->auth_context, "client_auth_filter"); } diff --git a/src/core/lib/security/transport/handshake.c b/src/core/lib/security/transport/handshake.c deleted file mode 100644 index 9623797610..0000000000 --- a/src/core/lib/security/transport/handshake.c +++ /dev/null @@ -1,374 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "src/core/lib/security/transport/handshake.h" - -#include <stdbool.h> -#include <string.h> - -#include <grpc/slice_buffer.h> -#include <grpc/support/alloc.h> -#include <grpc/support/log.h> -#include "src/core/lib/iomgr/timer.h" -#include "src/core/lib/security/context/security_context.h" -#include "src/core/lib/security/transport/secure_endpoint.h" -#include "src/core/lib/security/transport/tsi_error.h" - -#define GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE 256 - -typedef struct { - grpc_security_connector *connector; - tsi_handshaker *handshaker; - bool is_client_side; - unsigned char *handshake_buffer; - size_t handshake_buffer_size; - grpc_endpoint *wrapped_endpoint; - grpc_endpoint *secure_endpoint; - grpc_slice_buffer left_overs; - grpc_slice_buffer incoming; - grpc_slice_buffer outgoing; - grpc_security_handshake_done_cb cb; - void *user_data; - grpc_closure on_handshake_data_sent_to_peer; - grpc_closure on_handshake_data_received_from_peer; - grpc_auth_context *auth_context; - grpc_timer timer; - gpr_refcount refs; -} grpc_security_handshake; - -static void on_handshake_data_received_from_peer(grpc_exec_ctx *exec_ctx, - void *setup, - grpc_error *error); - -static void on_handshake_data_sent_to_peer(grpc_exec_ctx *exec_ctx, void *setup, - grpc_error *error); - -static void security_connector_remove_handshake(grpc_security_handshake *h) { - GPR_ASSERT(!h->is_client_side); - grpc_security_connector_handshake_list *node; - grpc_security_connector_handshake_list *tmp; - grpc_server_security_connector *sc = - (grpc_server_security_connector *)h->connector; - gpr_mu_lock(&sc->mu); - node = sc->handshaking_handshakes; - if (node && node->handshake == h) { - sc->handshaking_handshakes = node->next; - gpr_free(node); - gpr_mu_unlock(&sc->mu); - return; - } - while (node) { - if (node->next->handshake == h) { - tmp = node->next; - node->next = node->next->next; - gpr_free(tmp); - gpr_mu_unlock(&sc->mu); - return; - } - node = node->next; - } - gpr_mu_unlock(&sc->mu); -} - -static void unref_handshake(grpc_security_handshake *h) { - if (gpr_unref(&h->refs)) { - if (h->handshaker != NULL) tsi_handshaker_destroy(h->handshaker); - if (h->handshake_buffer != NULL) gpr_free(h->handshake_buffer); - grpc_slice_buffer_destroy(&h->left_overs); - grpc_slice_buffer_destroy(&h->outgoing); - grpc_slice_buffer_destroy(&h->incoming); - GRPC_AUTH_CONTEXT_UNREF(h->auth_context, "handshake"); - GRPC_SECURITY_CONNECTOR_UNREF(h->connector, "handshake"); - gpr_free(h); - } -} - -static void security_handshake_done(grpc_exec_ctx *exec_ctx, - grpc_security_handshake *h, - grpc_error *error) { - grpc_timer_cancel(exec_ctx, &h->timer); - if (!h->is_client_side) { - security_connector_remove_handshake(h); - } - if (error == GRPC_ERROR_NONE) { - h->cb(exec_ctx, h->user_data, GRPC_SECURITY_OK, h->secure_endpoint, - h->auth_context); - } else { - const char *msg = grpc_error_string(error); - gpr_log(GPR_DEBUG, "Security handshake failed: %s", msg); - grpc_error_free_string(msg); - - if (h->secure_endpoint != NULL) { - grpc_endpoint_shutdown(exec_ctx, h->secure_endpoint); - grpc_endpoint_destroy(exec_ctx, h->secure_endpoint); - } else { - grpc_endpoint_destroy(exec_ctx, h->wrapped_endpoint); - } - h->cb(exec_ctx, h->user_data, GRPC_SECURITY_ERROR, NULL, NULL); - } - unref_handshake(h); - GRPC_ERROR_UNREF(error); -} - -static void on_peer_checked(grpc_exec_ctx *exec_ctx, void *user_data, - grpc_security_status status, - grpc_auth_context *auth_context) { - grpc_security_handshake *h = user_data; - tsi_frame_protector *protector; - tsi_result result; - if (status != GRPC_SECURITY_OK) { - security_handshake_done( - exec_ctx, h, - grpc_error_set_int(GRPC_ERROR_CREATE("Error checking peer."), - GRPC_ERROR_INT_SECURITY_STATUS, status)); - return; - } - h->auth_context = GRPC_AUTH_CONTEXT_REF(auth_context, "handshake"); - result = - tsi_handshaker_create_frame_protector(h->handshaker, NULL, &protector); - if (result != TSI_OK) { - security_handshake_done( - exec_ctx, h, - grpc_set_tsi_error_result( - GRPC_ERROR_CREATE("Frame protector creation failed"), result)); - return; - } - h->secure_endpoint = - grpc_secure_endpoint_create(protector, h->wrapped_endpoint, - h->left_overs.slices, h->left_overs.count); - h->left_overs.count = 0; - h->left_overs.length = 0; - security_handshake_done(exec_ctx, h, GRPC_ERROR_NONE); - return; -} - -static void check_peer(grpc_exec_ctx *exec_ctx, grpc_security_handshake *h) { - tsi_peer peer; - tsi_result result = tsi_handshaker_extract_peer(h->handshaker, &peer); - - if (result != TSI_OK) { - security_handshake_done( - exec_ctx, h, grpc_set_tsi_error_result( - GRPC_ERROR_CREATE("Peer extraction failed"), result)); - return; - } - grpc_security_connector_check_peer(exec_ctx, h->connector, peer, - on_peer_checked, h); -} - -static void send_handshake_bytes_to_peer(grpc_exec_ctx *exec_ctx, - grpc_security_handshake *h) { - size_t offset = 0; - tsi_result result = TSI_OK; - grpc_slice to_send; - - do { - size_t to_send_size = h->handshake_buffer_size - offset; - result = tsi_handshaker_get_bytes_to_send_to_peer( - h->handshaker, h->handshake_buffer + offset, &to_send_size); - offset += to_send_size; - if (result == TSI_INCOMPLETE_DATA) { - h->handshake_buffer_size *= 2; - h->handshake_buffer = - gpr_realloc(h->handshake_buffer, h->handshake_buffer_size); - } - } while (result == TSI_INCOMPLETE_DATA); - - if (result != TSI_OK) { - security_handshake_done(exec_ctx, h, - grpc_set_tsi_error_result( - GRPC_ERROR_CREATE("Handshake failed"), result)); - return; - } - - to_send = - grpc_slice_from_copied_buffer((const char *)h->handshake_buffer, offset); - grpc_slice_buffer_reset_and_unref(&h->outgoing); - grpc_slice_buffer_add(&h->outgoing, to_send); - /* TODO(klempner,jboeuf): This should probably use the client setup - deadline */ - grpc_endpoint_write(exec_ctx, h->wrapped_endpoint, &h->outgoing, - &h->on_handshake_data_sent_to_peer); -} - -static void on_handshake_data_received_from_peer(grpc_exec_ctx *exec_ctx, - void *handshake, - grpc_error *error) { - grpc_security_handshake *h = handshake; - size_t consumed_slice_size = 0; - tsi_result result = TSI_OK; - size_t i; - size_t num_left_overs; - int has_left_overs_in_current_slice = 0; - - if (error != GRPC_ERROR_NONE) { - security_handshake_done( - exec_ctx, h, - GRPC_ERROR_CREATE_REFERENCING("Handshake read failed", &error, 1)); - return; - } - - for (i = 0; i < h->incoming.count; i++) { - consumed_slice_size = GRPC_SLICE_LENGTH(h->incoming.slices[i]); - result = tsi_handshaker_process_bytes_from_peer( - h->handshaker, GRPC_SLICE_START_PTR(h->incoming.slices[i]), - &consumed_slice_size); - if (!tsi_handshaker_is_in_progress(h->handshaker)) break; - } - - if (tsi_handshaker_is_in_progress(h->handshaker)) { - /* We may need more data. */ - if (result == TSI_INCOMPLETE_DATA) { - grpc_endpoint_read(exec_ctx, h->wrapped_endpoint, &h->incoming, - &h->on_handshake_data_received_from_peer); - return; - } else { - send_handshake_bytes_to_peer(exec_ctx, h); - return; - } - } - - if (result != TSI_OK) { - security_handshake_done(exec_ctx, h, - grpc_set_tsi_error_result( - GRPC_ERROR_CREATE("Handshake failed"), result)); - return; - } - - /* Handshake is done and successful this point. */ - has_left_overs_in_current_slice = - (consumed_slice_size < GRPC_SLICE_LENGTH(h->incoming.slices[i])); - num_left_overs = - (has_left_overs_in_current_slice ? 1 : 0) + h->incoming.count - i - 1; - if (num_left_overs == 0) { - check_peer(exec_ctx, h); - return; - } - - /* Put the leftovers in our buffer (ownership transfered). */ - if (has_left_overs_in_current_slice) { - grpc_slice_buffer_add( - &h->left_overs, - grpc_slice_split_tail(&h->incoming.slices[i], consumed_slice_size)); - grpc_slice_unref( - h->incoming.slices[i]); /* split_tail above increments refcount. */ - } - grpc_slice_buffer_addn( - &h->left_overs, &h->incoming.slices[i + 1], - num_left_overs - (size_t)has_left_overs_in_current_slice); - check_peer(exec_ctx, h); -} - -/* If handshake is NULL, the handshake is done. */ -static void on_handshake_data_sent_to_peer(grpc_exec_ctx *exec_ctx, - void *handshake, grpc_error *error) { - grpc_security_handshake *h = handshake; - - /* Make sure that write is OK. */ - if (error != GRPC_ERROR_NONE) { - if (handshake != NULL) - security_handshake_done( - exec_ctx, h, - GRPC_ERROR_CREATE_REFERENCING("Handshake write failed", &error, 1)); - return; - } - - /* We may be done. */ - if (tsi_handshaker_is_in_progress(h->handshaker)) { - /* TODO(klempner,jboeuf): This should probably use the client setup - deadline */ - grpc_endpoint_read(exec_ctx, h->wrapped_endpoint, &h->incoming, - &h->on_handshake_data_received_from_peer); - } else { - check_peer(exec_ctx, h); - } -} - -static void on_timeout(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - grpc_security_handshake *h = arg; - if (error == GRPC_ERROR_NONE) { - grpc_endpoint_shutdown(exec_ctx, h->wrapped_endpoint); - } - unref_handshake(h); -} - -void grpc_do_security_handshake( - grpc_exec_ctx *exec_ctx, tsi_handshaker *handshaker, - grpc_security_connector *connector, bool is_client_side, - grpc_endpoint *nonsecure_endpoint, grpc_slice_buffer *read_buffer, - gpr_timespec deadline, grpc_security_handshake_done_cb cb, - void *user_data) { - grpc_security_connector_handshake_list *handshake_node; - grpc_security_handshake *h = gpr_malloc(sizeof(grpc_security_handshake)); - memset(h, 0, sizeof(grpc_security_handshake)); - h->handshaker = handshaker; - h->connector = GRPC_SECURITY_CONNECTOR_REF(connector, "handshake"); - h->is_client_side = is_client_side; - h->handshake_buffer_size = GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE; - h->handshake_buffer = gpr_malloc(h->handshake_buffer_size); - h->wrapped_endpoint = nonsecure_endpoint; - h->user_data = user_data; - h->cb = cb; - gpr_ref_init(&h->refs, 2); /* timer and handshake proper each get a ref */ - grpc_closure_init(&h->on_handshake_data_sent_to_peer, - on_handshake_data_sent_to_peer, h); - grpc_closure_init(&h->on_handshake_data_received_from_peer, - on_handshake_data_received_from_peer, h); - grpc_slice_buffer_init(&h->left_overs); - grpc_slice_buffer_init(&h->outgoing); - grpc_slice_buffer_init(&h->incoming); - if (read_buffer != NULL) { - grpc_slice_buffer_move_into(read_buffer, &h->incoming); - gpr_free(read_buffer); - } - if (!is_client_side) { - grpc_server_security_connector *server_connector = - (grpc_server_security_connector *)connector; - handshake_node = gpr_malloc(sizeof(grpc_security_connector_handshake_list)); - handshake_node->handshake = h; - gpr_mu_lock(&server_connector->mu); - handshake_node->next = server_connector->handshaking_handshakes; - server_connector->handshaking_handshakes = handshake_node; - gpr_mu_unlock(&server_connector->mu); - } - send_handshake_bytes_to_peer(exec_ctx, h); - grpc_timer_init(exec_ctx, &h->timer, - gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - on_timeout, h, gpr_now(GPR_CLOCK_MONOTONIC)); -} - -void grpc_security_handshake_shutdown(grpc_exec_ctx *exec_ctx, - void *handshake) { - grpc_security_handshake *h = handshake; - grpc_endpoint_shutdown(exec_ctx, h->wrapped_endpoint); -} diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c index 1b278410e8..18a7a6f7e7 100644 --- a/src/core/lib/security/transport/secure_endpoint.c +++ b/src/core/lib/security/transport/secure_endpoint.c @@ -46,6 +46,7 @@ #include "src/core/lib/profiling/timers.h" #include "src/core/lib/security/transport/secure_endpoint.h" #include "src/core/lib/security/transport/tsi_error.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/tsi/transport_security_interface.h" @@ -80,11 +81,11 @@ static void destroy(grpc_exec_ctx *exec_ctx, secure_endpoint *secure_ep) { secure_endpoint *ep = secure_ep; grpc_endpoint_destroy(exec_ctx, ep->wrapped_ep); tsi_frame_protector_destroy(ep->protector); - grpc_slice_buffer_destroy(&ep->leftover_bytes); - grpc_slice_unref(ep->read_staging_buffer); - grpc_slice_unref(ep->write_staging_buffer); - grpc_slice_buffer_destroy(&ep->output_buffer); - grpc_slice_buffer_destroy(&ep->source_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &ep->leftover_bytes); + grpc_slice_unref_internal(exec_ctx, ep->read_staging_buffer); + grpc_slice_unref_internal(exec_ctx, ep->write_staging_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &ep->output_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &ep->source_buffer); gpr_mu_destroy(&ep->protector_mu); gpr_free(ep); } @@ -146,7 +147,7 @@ static void call_read_cb(grpc_exec_ctx *exec_ctx, secure_endpoint *ep, } } ep->read_buffer = NULL; - grpc_exec_ctx_sched(exec_ctx, ep->read_cb, error, NULL); + grpc_closure_sched(exec_ctx, ep->read_cb, error); SECURE_ENDPOINT_UNREF(exec_ctx, ep, "read"); } @@ -160,7 +161,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, uint8_t *end = GRPC_SLICE_END_PTR(ep->read_staging_buffer); if (error != GRPC_ERROR_NONE) { - grpc_slice_buffer_reset_and_unref(ep->read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, ep->read_buffer); call_read_cb(exec_ctx, ep, GRPC_ERROR_CREATE_REFERENCING( "Secure read failed", &error, 1)); return; @@ -215,10 +216,10 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *user_data, /* TODO(yangg) experiment with moving this block after read_cb to see if it helps latency */ - grpc_slice_buffer_reset_and_unref(&ep->source_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &ep->source_buffer); if (result != TSI_OK) { - grpc_slice_buffer_reset_and_unref(ep->read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, ep->read_buffer); call_read_cb(exec_ctx, ep, grpc_set_tsi_error_result( GRPC_ERROR_CREATE("Unwrap failed"), result)); return; @@ -232,7 +233,7 @@ static void endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep, secure_endpoint *ep = (secure_endpoint *)secure_ep; ep->read_cb = cb; ep->read_buffer = slices; - grpc_slice_buffer_reset_and_unref(ep->read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, ep->read_buffer); SECURE_ENDPOINT_REF(ep, "read"); if (ep->leftover_bytes.count) { @@ -264,7 +265,7 @@ static void endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep, uint8_t *cur = GRPC_SLICE_START_PTR(ep->write_staging_buffer); uint8_t *end = GRPC_SLICE_END_PTR(ep->write_staging_buffer); - grpc_slice_buffer_reset_and_unref(&ep->output_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &ep->output_buffer); if (grpc_trace_secure_endpoint) { for (i = 0; i < slices->count; i++) { @@ -328,11 +329,10 @@ static void endpoint_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep, if (result != TSI_OK) { /* TODO(yangg) do different things according to the error type? */ - grpc_slice_buffer_reset_and_unref(&ep->output_buffer); - grpc_exec_ctx_sched( + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &ep->output_buffer); + grpc_closure_sched( exec_ctx, cb, - grpc_set_tsi_error_result(GRPC_ERROR_CREATE("Wrap failed"), result), - NULL); + grpc_set_tsi_error_result(GRPC_ERROR_CREATE("Wrap failed"), result)); GPR_TIMER_END("secure_endpoint.endpoint_write", 0); return; } @@ -372,7 +372,10 @@ static char *endpoint_get_peer(grpc_endpoint *secure_ep) { return grpc_endpoint_get_peer(ep->wrapped_ep); } -static int endpoint_get_fd(grpc_endpoint *secure_ep) { return -1; } +static int endpoint_get_fd(grpc_endpoint *secure_ep) { + secure_endpoint *ep = (secure_endpoint *)secure_ep; + return grpc_endpoint_get_fd(ep->wrapped_ep); +} static grpc_workqueue *endpoint_get_workqueue(grpc_endpoint *secure_ep) { secure_endpoint *ep = (secure_endpoint *)secure_ep; @@ -407,14 +410,14 @@ grpc_endpoint *grpc_secure_endpoint_create( grpc_slice_buffer_init(&ep->leftover_bytes); for (i = 0; i < leftover_nslices; i++) { grpc_slice_buffer_add(&ep->leftover_bytes, - grpc_slice_ref(leftover_slices[i])); + grpc_slice_ref_internal(leftover_slices[i])); } ep->write_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); ep->read_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); grpc_slice_buffer_init(&ep->output_buffer); grpc_slice_buffer_init(&ep->source_buffer); ep->read_buffer = NULL; - grpc_closure_init(&ep->on_read, on_read, ep); + grpc_closure_init(&ep->on_read, on_read, ep, grpc_schedule_on_exec_ctx); gpr_mu_init(&ep->protector_mu); gpr_ref_init(&ep->ref, 1); return &ep->base; diff --git a/src/core/lib/security/transport/security_connector.c b/src/core/lib/security/transport/security_connector.c index 0fbd63a7e1..5aa26e0577 100644 --- a/src/core/lib/security/transport/security_connector.c +++ b/src/core/lib/security/transport/security_connector.c @@ -43,11 +43,12 @@ #include <grpc/support/string_util.h> #include "src/core/ext/transport/chttp2/alpn/alpn.h" +#include "src/core/lib/channel/handshaker.h" #include "src/core/lib/iomgr/load_file.h" #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" -#include "src/core/lib/security/transport/handshake.h" #include "src/core/lib/security/transport/secure_endpoint.h" +#include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/support/env.h" #include "src/core/lib/support/string.h" #include "src/core/lib/tsi/fake_transport_security.h" @@ -111,58 +112,34 @@ const tsi_peer_property *tsi_peer_get_property_by_name(const tsi_peer *peer, return NULL; } -void grpc_server_security_connector_shutdown( - grpc_exec_ctx *exec_ctx, grpc_server_security_connector *connector) { - grpc_security_connector_handshake_list *tmp; - gpr_mu_lock(&connector->mu); - while (connector->handshaking_handshakes) { - tmp = connector->handshaking_handshakes; - grpc_security_handshake_shutdown( - exec_ctx, connector->handshaking_handshakes->handshake); - connector->handshaking_handshakes = tmp->next; - gpr_free(tmp); +void grpc_channel_security_connector_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *connector, + grpc_handshake_manager *handshake_mgr) { + if (connector != NULL) { + connector->add_handshakers(exec_ctx, connector, handshake_mgr); } - gpr_mu_unlock(&connector->mu); } -void grpc_channel_security_connector_do_handshake( - grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *sc, - grpc_endpoint *nonsecure_endpoint, grpc_slice_buffer *read_buffer, - gpr_timespec deadline, grpc_security_handshake_done_cb cb, - void *user_data) { - if (sc == NULL || nonsecure_endpoint == NULL) { - gpr_free(read_buffer); - cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL); - } else { - sc->do_handshake(exec_ctx, sc, nonsecure_endpoint, read_buffer, deadline, - cb, user_data); - } -} - -void grpc_server_security_connector_do_handshake( - grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc, - grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data) { - if (sc == NULL || nonsecure_endpoint == NULL) { - gpr_free(read_buffer); - cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL, NULL); - } else { - sc->do_handshake(exec_ctx, sc, acceptor, nonsecure_endpoint, read_buffer, - deadline, cb, user_data); +void grpc_server_security_connector_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_server_security_connector *connector, + grpc_handshake_manager *handshake_mgr) { + if (connector != NULL) { + connector->add_handshakers(exec_ctx, connector, handshake_mgr); } } void grpc_security_connector_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, - void *user_data) { + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked) { if (sc == NULL) { - cb(exec_ctx, user_data, GRPC_SECURITY_ERROR, NULL); + grpc_closure_sched( + exec_ctx, on_peer_checked, + GRPC_ERROR_CREATE("cannot check peer -- no security connector")); tsi_peer_destruct(&peer); } else { - sc->vtable->check_peer(exec_ctx, sc, peer, cb, user_data); + sc->vtable->check_peer(exec_ctx, sc, peer, auth_context, on_peer_checked); } } @@ -195,7 +172,8 @@ grpc_security_connector *grpc_security_connector_ref( } #ifdef GRPC_SECURITY_CONNECTOR_REFCOUNT_DEBUG -void grpc_security_connector_unref(grpc_security_connector *sc, +void grpc_security_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc, const char *file, int line, const char *reason) { if (sc == NULL) return; @@ -203,14 +181,15 @@ void grpc_security_connector_unref(grpc_security_connector *sc, "SECURITY_CONNECTOR:%p unref %d -> %d %s", sc, (int)sc->refcount.count, (int)sc->refcount.count - 1, reason); #else -void grpc_security_connector_unref(grpc_security_connector *sc) { +void grpc_security_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { if (sc == NULL) return; #endif - if (gpr_unref(&sc->refcount)) sc->vtable->destroy(sc); + if (gpr_unref(&sc->refcount)) sc->vtable->destroy(exec_ctx, sc); } -static void connector_pointer_arg_destroy(void *p) { - GRPC_SECURITY_CONNECTOR_UNREF(p, "connector_pointer_arg_destroy"); +static void connector_pointer_arg_destroy(grpc_exec_ctx *exec_ctx, void *p) { + GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, p, "connector_pointer_arg_destroy"); } static void *connector_pointer_arg_copy(void *p) { @@ -256,51 +235,51 @@ grpc_security_connector *grpc_find_security_connector_in_args( /* -- Fake implementation. -- */ -static void fake_channel_destroy(grpc_security_connector *sc) { +static void fake_channel_destroy(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { grpc_channel_security_connector *c = (grpc_channel_security_connector *)sc; - grpc_call_credentials_unref(c->request_metadata_creds); + grpc_call_credentials_unref(exec_ctx, c->request_metadata_creds); gpr_free(sc); } -static void fake_server_destroy(grpc_security_connector *sc) { - grpc_server_security_connector *c = (grpc_server_security_connector *)sc; - gpr_mu_destroy(&c->mu); +static void fake_server_destroy(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { gpr_free(sc); } static void fake_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, void *user_data) { + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked) { const char *prop_name; - grpc_security_status status = GRPC_SECURITY_OK; - grpc_auth_context *auth_context = NULL; + grpc_error *error = GRPC_ERROR_NONE; + *auth_context = NULL; if (peer.property_count != 1) { - gpr_log(GPR_ERROR, "Fake peers should only have 1 property."); - status = GRPC_SECURITY_ERROR; + error = GRPC_ERROR_CREATE("Fake peers should only have 1 property."); goto end; } prop_name = peer.properties[0].name; if (prop_name == NULL || strcmp(prop_name, TSI_CERTIFICATE_TYPE_PEER_PROPERTY)) { - gpr_log(GPR_ERROR, "Unexpected property in fake peer: %s.", - prop_name == NULL ? "<EMPTY>" : prop_name); - status = GRPC_SECURITY_ERROR; + char *msg; + gpr_asprintf(&msg, "Unexpected property in fake peer: %s.", + prop_name == NULL ? "<EMPTY>" : prop_name); + error = GRPC_ERROR_CREATE(msg); + gpr_free(msg); goto end; } if (strncmp(peer.properties[0].value.data, TSI_FAKE_CERTIFICATE_TYPE, peer.properties[0].value.length)) { - gpr_log(GPR_ERROR, "Invalid value for cert type property."); - status = GRPC_SECURITY_ERROR; + error = GRPC_ERROR_CREATE("Invalid value for cert type property."); goto end; } - auth_context = grpc_auth_context_create(NULL); + *auth_context = grpc_auth_context_create(NULL); grpc_auth_context_add_cstring_property( - auth_context, GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME, + *auth_context, GRPC_TRANSPORT_SECURITY_TYPE_PROPERTY_NAME, GRPC_FAKE_TRANSPORT_SECURITY_TYPE); end: - cb(exec_ctx, user_data, status, auth_context); - grpc_auth_context_unref(auth_context); + grpc_closure_sched(exec_ctx, on_peer_checked, error); tsi_peer_destruct(&peer); } @@ -313,26 +292,24 @@ static void fake_channel_check_call_host(grpc_exec_ctx *exec_ctx, cb(exec_ctx, user_data, GRPC_SECURITY_OK); } -static void fake_channel_do_handshake(grpc_exec_ctx *exec_ctx, - grpc_channel_security_connector *sc, - grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, - gpr_timespec deadline, - grpc_security_handshake_done_cb cb, - void *user_data) { - grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(1), &sc->base, - true, nonsecure_endpoint, read_buffer, deadline, - cb, user_data); +static void fake_channel_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *sc, + grpc_handshake_manager *handshake_mgr) { + grpc_handshake_manager_add( + handshake_mgr, + grpc_security_handshaker_create( + exec_ctx, tsi_create_fake_handshaker(true /* is_client */), + &sc->base)); } -static void fake_server_do_handshake( - grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc, - grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data) { - grpc_do_security_handshake(exec_ctx, tsi_create_fake_handshaker(0), &sc->base, - false, nonsecure_endpoint, read_buffer, deadline, - cb, user_data); +static void fake_server_add_handshakers(grpc_exec_ctx *exec_ctx, + grpc_server_security_connector *sc, + grpc_handshake_manager *handshake_mgr) { + grpc_handshake_manager_add( + handshake_mgr, + grpc_security_handshaker_create( + exec_ctx, tsi_create_fake_handshaker(false /* is_client */), + &sc->base)); } static grpc_security_connector_vtable fake_channel_vtable = { @@ -350,7 +327,7 @@ grpc_channel_security_connector *grpc_fake_channel_security_connector_create( c->base.vtable = &fake_channel_vtable; c->request_metadata_creds = grpc_call_credentials_ref(request_metadata_creds); c->check_call_host = fake_channel_check_call_host; - c->do_handshake = fake_channel_do_handshake; + c->add_handshakers = fake_channel_add_handshakers; return c; } @@ -362,8 +339,7 @@ grpc_server_security_connector *grpc_fake_server_security_connector_create( gpr_ref_init(&c->base.refcount, 1); c->base.vtable = &fake_server_vtable; c->base.url_scheme = GRPC_FAKE_SECURITY_URL_SCHEME; - c->do_handshake = fake_server_do_handshake; - gpr_mu_init(&c->mu); + c->add_handshakers = fake_server_add_handshakers; return c; } @@ -381,10 +357,11 @@ typedef struct { tsi_ssl_handshaker_factory *handshaker_factory; } grpc_ssl_server_security_connector; -static void ssl_channel_destroy(grpc_security_connector *sc) { +static void ssl_channel_destroy(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { grpc_ssl_channel_security_connector *c = (grpc_ssl_channel_security_connector *)sc; - grpc_call_credentials_unref(c->base.request_metadata_creds); + grpc_call_credentials_unref(exec_ctx, c->base.request_metadata_creds); if (c->handshaker_factory != NULL) { tsi_ssl_handshaker_factory_destroy(c->handshaker_factory); } @@ -393,14 +370,13 @@ static void ssl_channel_destroy(grpc_security_connector *sc) { gpr_free(sc); } -static void ssl_server_destroy(grpc_security_connector *sc) { +static void ssl_server_destroy(grpc_exec_ctx *exec_ctx, + grpc_security_connector *sc) { grpc_ssl_server_security_connector *c = (grpc_ssl_server_security_connector *)sc; - if (c->handshaker_factory != NULL) { tsi_ssl_handshaker_factory_destroy(c->handshaker_factory); } - gpr_mu_destroy(&c->base.mu); gpr_free(sc); } @@ -419,49 +395,35 @@ static grpc_security_status ssl_create_handshaker( return GRPC_SECURITY_OK; } -static void ssl_channel_do_handshake(grpc_exec_ctx *exec_ctx, - grpc_channel_security_connector *sc, - grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, - gpr_timespec deadline, - grpc_security_handshake_done_cb cb, - void *user_data) { +static void ssl_channel_add_handshakers(grpc_exec_ctx *exec_ctx, + grpc_channel_security_connector *sc, + grpc_handshake_manager *handshake_mgr) { grpc_ssl_channel_security_connector *c = (grpc_ssl_channel_security_connector *)sc; - tsi_handshaker *handshaker; - grpc_security_status status = ssl_create_handshaker( - c->handshaker_factory, true, - c->overridden_target_name != NULL ? c->overridden_target_name - : c->target_name, - &handshaker); - if (status != GRPC_SECURITY_OK) { - gpr_free(read_buffer); - cb(exec_ctx, user_data, status, NULL, NULL); - } else { - grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, true, - nonsecure_endpoint, read_buffer, deadline, cb, - user_data); - } -} - -static void ssl_server_do_handshake( - grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc, - grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data) { + // Instantiate TSI handshaker. + tsi_handshaker *tsi_hs = NULL; + ssl_create_handshaker(c->handshaker_factory, true /* is_client */, + c->overridden_target_name != NULL + ? c->overridden_target_name + : c->target_name, + &tsi_hs); + // Create handshakers. + grpc_handshake_manager_add(handshake_mgr, grpc_security_handshaker_create( + exec_ctx, tsi_hs, &sc->base)); +} + +static void ssl_server_add_handshakers(grpc_exec_ctx *exec_ctx, + grpc_server_security_connector *sc, + grpc_handshake_manager *handshake_mgr) { grpc_ssl_server_security_connector *c = (grpc_ssl_server_security_connector *)sc; - tsi_handshaker *handshaker; - grpc_security_status status = - ssl_create_handshaker(c->handshaker_factory, false, NULL, &handshaker); - if (status != GRPC_SECURITY_OK) { - gpr_free(read_buffer); - cb(exec_ctx, user_data, status, NULL, NULL); - } else { - grpc_do_security_handshake(exec_ctx, handshaker, &sc->base, false, - nonsecure_endpoint, read_buffer, deadline, cb, - user_data); - } + // Instantiate TSI handshaker. + tsi_handshaker *tsi_hs = NULL; + ssl_create_handshaker(c->handshaker_factory, false /* is_client */, + NULL /* peer_name */, &tsi_hs); + // Create handshakers. + grpc_handshake_manager_add(handshake_mgr, grpc_security_handshaker_create( + exec_ctx, tsi_hs, &sc->base)); } static int ssl_host_matches_name(const tsi_peer *peer, const char *peer_name) { @@ -518,57 +480,53 @@ grpc_auth_context *tsi_ssl_peer_to_auth_context(const tsi_peer *peer) { return ctx; } -static grpc_security_status ssl_check_peer(grpc_security_connector *sc, - const char *peer_name, - const tsi_peer *peer, - grpc_auth_context **auth_context) { +static grpc_error *ssl_check_peer(grpc_security_connector *sc, + const char *peer_name, const tsi_peer *peer, + grpc_auth_context **auth_context) { /* Check the ALPN. */ const tsi_peer_property *p = tsi_peer_get_property_by_name(peer, TSI_SSL_ALPN_SELECTED_PROTOCOL); if (p == NULL) { - gpr_log(GPR_ERROR, "Missing selected ALPN property."); - return GRPC_SECURITY_ERROR; + return GRPC_ERROR_CREATE( + "Cannot check peer: missing selected ALPN property."); } if (!grpc_chttp2_is_alpn_version_supported(p->value.data, p->value.length)) { - gpr_log(GPR_ERROR, "Invalid ALPN value."); - return GRPC_SECURITY_ERROR; + return GRPC_ERROR_CREATE("Cannot check peer: invalid ALPN value."); } /* Check the peer name if specified. */ if (peer_name != NULL && !ssl_host_matches_name(peer, peer_name)) { - gpr_log(GPR_ERROR, "Peer name %s is not in peer certificate", peer_name); - return GRPC_SECURITY_ERROR; + char *msg; + gpr_asprintf(&msg, "Peer name %s is not in peer certificate", peer_name); + grpc_error *error = GRPC_ERROR_CREATE(msg); + gpr_free(msg); + return error; } *auth_context = tsi_ssl_peer_to_auth_context(peer); - return GRPC_SECURITY_OK; + return GRPC_ERROR_NONE; } static void ssl_channel_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, - void *user_data) { + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked) { grpc_ssl_channel_security_connector *c = (grpc_ssl_channel_security_connector *)sc; - grpc_security_status status; - grpc_auth_context *auth_context = NULL; - status = ssl_check_peer(sc, c->overridden_target_name != NULL - ? c->overridden_target_name - : c->target_name, - &peer, &auth_context); - cb(exec_ctx, user_data, status, auth_context); - grpc_auth_context_unref(auth_context); + grpc_error *error = ssl_check_peer(sc, c->overridden_target_name != NULL + ? c->overridden_target_name + : c->target_name, + &peer, auth_context); + grpc_closure_sched(exec_ctx, on_peer_checked, error); tsi_peer_destruct(&peer); } static void ssl_server_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, - void *user_data) { - grpc_auth_context *auth_context = NULL; - grpc_security_status status = ssl_check_peer(sc, NULL, &peer, &auth_context); + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked) { + grpc_error *error = ssl_check_peer(sc, NULL, &peer, auth_context); tsi_peer_destruct(&peer); - cb(exec_ctx, user_data, status, auth_context); - grpc_auth_context_unref(auth_context); + grpc_closure_sched(exec_ctx, on_peer_checked, error); } static void add_shallow_auth_property_to_peer(tsi_peer *peer, @@ -719,7 +677,7 @@ size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs) { } grpc_security_status grpc_ssl_channel_security_connector_create( - grpc_call_credentials *request_metadata_creds, + grpc_exec_ctx *exec_ctx, grpc_call_credentials *request_metadata_creds, const grpc_ssl_config *config, const char *target_name, const char *overridden_target_name, grpc_channel_security_connector **sc) { size_t num_alpn_protocols = grpc_chttp2_num_alpn_versions(); @@ -765,7 +723,7 @@ grpc_security_status grpc_ssl_channel_security_connector_create( c->base.request_metadata_creds = grpc_call_credentials_ref(request_metadata_creds); c->base.check_call_host = ssl_channel_check_call_host; - c->base.do_handshake = ssl_channel_do_handshake; + c->base.add_handshakers = ssl_channel_add_handshakers; gpr_split_host_port(target_name, &c->target_name, &port); gpr_free(port); if (overridden_target_name != NULL) { @@ -780,7 +738,7 @@ grpc_security_status grpc_ssl_channel_security_connector_create( if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", tsi_result_to_string(result)); - ssl_channel_destroy(&c->base.base); + ssl_channel_destroy(exec_ctx, &c->base.base); *sc = NULL; goto error; } @@ -796,7 +754,8 @@ error: } grpc_security_status grpc_ssl_server_security_connector_create( - const grpc_ssl_server_config *config, grpc_server_security_connector **sc) { + grpc_exec_ctx *exec_ctx, const grpc_ssl_server_config *config, + grpc_server_security_connector **sc) { size_t num_alpn_protocols = grpc_chttp2_num_alpn_versions(); const unsigned char **alpn_protocol_strings = gpr_malloc(sizeof(const char *) * num_alpn_protocols); @@ -836,12 +795,11 @@ grpc_security_status grpc_ssl_server_security_connector_create( if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", tsi_result_to_string(result)); - ssl_server_destroy(&c->base.base); + ssl_server_destroy(exec_ctx, &c->base.base); *sc = NULL; goto error; } - gpr_mu_init(&c->base.mu); - c->base.do_handshake = ssl_server_do_handshake; + c->base.add_handshakers = ssl_server_add_handshakers; *sc = &c->base; gpr_free((void *)alpn_protocol_strings); gpr_free(alpn_protocol_string_lengths); diff --git a/src/core/lib/security/transport/security_connector.h b/src/core/lib/security/transport/security_connector.h index dc02692b01..eba4e6d1d7 100644 --- a/src/core/lib/security/transport/security_connector.h +++ b/src/core/lib/security/transport/security_connector.h @@ -35,6 +35,8 @@ #define GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_CONNECTOR_H #include <grpc/grpc_security.h> + +#include "src/core/lib/channel/handshaker.h" #include "src/core/lib/iomgr/endpoint.h" #include "src/core/lib/iomgr/tcp_server.h" #include "src/core/lib/tsi/transport_security_interface.h" @@ -57,21 +59,11 @@ typedef struct grpc_security_connector grpc_security_connector; #define GRPC_SECURITY_CONNECTOR_ARG "grpc.security_connector" -typedef void (*grpc_security_peer_check_cb)(grpc_exec_ctx *exec_ctx, - void *user_data, - grpc_security_status status, - grpc_auth_context *auth_context); - -/* Ownership of the secure_endpoint is transfered. */ -typedef void (*grpc_security_handshake_done_cb)( - grpc_exec_ctx *exec_ctx, void *user_data, grpc_security_status status, - grpc_endpoint *secure_endpoint, grpc_auth_context *auth_context); - typedef struct { - void (*destroy)(grpc_security_connector *sc); + void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc); void (*check_peer)(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, - tsi_peer peer, grpc_security_peer_check_cb cb, - void *user_data); + tsi_peer peer, grpc_auth_context **auth_context, + grpc_closure *on_peer_checked); } grpc_security_connector_vtable; typedef struct grpc_security_connector_handshake_list { @@ -89,29 +81,32 @@ struct grpc_security_connector { #ifdef GRPC_SECURITY_CONNECTOR_REFCOUNT_DEBUG #define GRPC_SECURITY_CONNECTOR_REF(p, r) \ grpc_security_connector_ref((p), __FILE__, __LINE__, (r)) -#define GRPC_SECURITY_CONNECTOR_UNREF(p, r) \ - grpc_security_connector_unref((p), __FILE__, __LINE__, (r)) +#define GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, p, r) \ + grpc_security_connector_unref((exec_ctx), (p), __FILE__, __LINE__, (r)) grpc_security_connector *grpc_security_connector_ref( grpc_security_connector *policy, const char *file, int line, const char *reason); -void grpc_security_connector_unref(grpc_security_connector *policy, +void grpc_security_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_security_connector *policy, const char *file, int line, const char *reason); #else #define GRPC_SECURITY_CONNECTOR_REF(p, r) grpc_security_connector_ref((p)) -#define GRPC_SECURITY_CONNECTOR_UNREF(p, r) grpc_security_connector_unref((p)) +#define GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, p, r) \ + grpc_security_connector_unref((exec_ctx), (p)) grpc_security_connector *grpc_security_connector_ref( grpc_security_connector *policy); -void grpc_security_connector_unref(grpc_security_connector *policy); +void grpc_security_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_security_connector *policy); #endif /* Check the peer. Callee takes ownership of the peer object. - The callback will include the resulting auth_context. */ + When done, sets *auth_context and invokes on_peer_checked. */ void grpc_security_connector_check_peer(grpc_exec_ctx *exec_ctx, grpc_security_connector *sc, tsi_peer peer, - grpc_security_peer_check_cb cb, - void *user_data); + grpc_auth_context **auth_context, + grpc_closure *on_peer_checked); /* Util to encapsulate the connector in a channel arg. */ grpc_arg grpc_security_connector_to_arg(grpc_security_connector *sc); @@ -141,11 +136,9 @@ struct grpc_channel_security_connector { grpc_channel_security_connector *sc, const char *host, grpc_auth_context *auth_context, grpc_security_call_host_check_cb cb, void *user_data); - void (*do_handshake)(grpc_exec_ctx *exec_ctx, - grpc_channel_security_connector *sc, - grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data); + void (*add_handshakers)(grpc_exec_ctx *exec_ctx, + grpc_channel_security_connector *sc, + grpc_handshake_manager *handshake_mgr); }; /* Checks that the host that will be set for a call is acceptable. */ @@ -154,11 +147,10 @@ void grpc_channel_security_connector_check_call_host( const char *host, grpc_auth_context *auth_context, grpc_security_call_host_check_cb cb, void *user_data); -/* Handshake. */ -void grpc_channel_security_connector_do_handshake( +/* Registers handshakers with \a handshake_mgr. */ +void grpc_channel_security_connector_add_handshakers( grpc_exec_ctx *exec_ctx, grpc_channel_security_connector *connector, - grpc_endpoint *nonsecure_endpoint, grpc_slice_buffer *read_buffer, - gpr_timespec deadline, grpc_security_handshake_done_cb cb, void *user_data); + grpc_handshake_manager *handshake_mgr); /* --- server_security_connector object. --- @@ -169,25 +161,14 @@ typedef struct grpc_server_security_connector grpc_server_security_connector; struct grpc_server_security_connector { grpc_security_connector base; - gpr_mu mu; - grpc_security_connector_handshake_list *handshaking_handshakes; - const grpc_channel_args *channel_args; - void (*do_handshake)(grpc_exec_ctx *exec_ctx, - grpc_server_security_connector *sc, - grpc_tcp_server_acceptor *acceptor, - grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data); + void (*add_handshakers)(grpc_exec_ctx *exec_ctx, + grpc_server_security_connector *sc, + grpc_handshake_manager *handshake_mgr); }; -void grpc_server_security_connector_do_handshake( +void grpc_server_security_connector_add_handshakers( grpc_exec_ctx *exec_ctx, grpc_server_security_connector *sc, - grpc_tcp_server_acceptor *acceptor, grpc_endpoint *nonsecure_endpoint, - grpc_slice_buffer *read_buffer, gpr_timespec deadline, - grpc_security_handshake_done_cb cb, void *user_data); - -void grpc_server_security_connector_shutdown( - grpc_exec_ctx *exec_ctx, grpc_server_security_connector *connector); + grpc_handshake_manager *handshake_mgr); /* --- Creation security connectors. --- */ @@ -225,7 +206,7 @@ typedef struct { specific error code otherwise. */ grpc_security_status grpc_ssl_channel_security_connector_create( - grpc_call_credentials *request_metadata_creds, + grpc_exec_ctx *exec_ctx, grpc_call_credentials *request_metadata_creds, const grpc_ssl_config *config, const char *target_name, const char *overridden_target_name, grpc_channel_security_connector **sc); @@ -254,7 +235,8 @@ typedef struct { specific error code otherwise. */ grpc_security_status grpc_ssl_server_security_connector_create( - const grpc_ssl_server_config *config, grpc_server_security_connector **sc); + grpc_exec_ctx *exec_ctx, const grpc_ssl_server_config *config, + grpc_server_security_connector **sc); /* Util. */ const tsi_peer_property *tsi_peer_get_property_by_name(const tsi_peer *peer, diff --git a/src/core/lib/security/transport/security_handshaker.c b/src/core/lib/security/transport/security_handshaker.c new file mode 100644 index 0000000000..5e75856c7a --- /dev/null +++ b/src/core/lib/security/transport/security_handshaker.c @@ -0,0 +1,501 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/lib/security/transport/security_handshaker.h" + +#include <stdbool.h> +#include <string.h> + +#include <grpc/slice_buffer.h> +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" +#include "src/core/lib/security/context/security_context.h" +#include "src/core/lib/security/transport/secure_endpoint.h" +#include "src/core/lib/security/transport/tsi_error.h" +#include "src/core/lib/slice/slice_internal.h" + +#define GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE 256 + +typedef struct { + grpc_handshaker base; + + // State set at creation time. + tsi_handshaker *handshaker; + grpc_security_connector *connector; + + gpr_mu mu; + gpr_refcount refs; + + bool shutdown; + // Endpoint and read buffer to destroy after a shutdown. + grpc_endpoint *endpoint_to_destroy; + grpc_slice_buffer *read_buffer_to_destroy; + + // State saved while performing the handshake. + grpc_handshaker_args *args; + grpc_closure *on_handshake_done; + + unsigned char *handshake_buffer; + size_t handshake_buffer_size; + grpc_slice_buffer left_overs; + grpc_slice_buffer outgoing; + grpc_closure on_handshake_data_sent_to_peer; + grpc_closure on_handshake_data_received_from_peer; + grpc_closure on_peer_checked; + grpc_auth_context *auth_context; +} security_handshaker; + +static void security_handshaker_unref(grpc_exec_ctx *exec_ctx, + security_handshaker *h) { + if (gpr_unref(&h->refs)) { + gpr_mu_destroy(&h->mu); + tsi_handshaker_destroy(h->handshaker); + if (h->endpoint_to_destroy != NULL) { + grpc_endpoint_destroy(exec_ctx, h->endpoint_to_destroy); + } + if (h->read_buffer_to_destroy != NULL) { + grpc_slice_buffer_destroy_internal(exec_ctx, h->read_buffer_to_destroy); + gpr_free(h->read_buffer_to_destroy); + } + gpr_free(h->handshake_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &h->left_overs); + grpc_slice_buffer_destroy_internal(exec_ctx, &h->outgoing); + GRPC_AUTH_CONTEXT_UNREF(h->auth_context, "handshake"); + GRPC_SECURITY_CONNECTOR_UNREF(exec_ctx, h->connector, "handshake"); + gpr_free(h); + } +} + +// Set args fields to NULL, saving the endpoint and read buffer for +// later destruction. +static void cleanup_args_for_failure_locked(grpc_exec_ctx *exec_ctx, + security_handshaker *h) { + h->endpoint_to_destroy = h->args->endpoint; + h->args->endpoint = NULL; + h->read_buffer_to_destroy = h->args->read_buffer; + h->args->read_buffer = NULL; + grpc_channel_args_destroy(exec_ctx, h->args->args); + h->args->args = NULL; +} + +// If the handshake failed or we're shutting down, clean up and invoke the +// callback with the error. +static void security_handshake_failed_locked(grpc_exec_ctx *exec_ctx, + security_handshaker *h, + grpc_error *error) { + if (error == GRPC_ERROR_NONE) { + // If we were shut down after the handshake succeeded but before an + // endpoint callback was invoked, we need to generate our own error. + error = GRPC_ERROR_CREATE("Handshaker shutdown"); + } + const char *msg = grpc_error_string(error); + gpr_log(GPR_DEBUG, "Security handshake failed: %s", msg); + grpc_error_free_string(msg); + if (!h->shutdown) { + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, h->args->endpoint); + // Not shutting down, so the write failed. Clean up before + // invoking the callback. + cleanup_args_for_failure_locked(exec_ctx, h); + // Set shutdown to true so that subsequent calls to + // security_handshaker_shutdown() do nothing. + h->shutdown = true; + } + // Invoke callback. + grpc_closure_sched(exec_ctx, h->on_handshake_done, error); +} + +static void on_peer_checked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + security_handshaker *h = arg; + gpr_mu_lock(&h->mu); + if (error != GRPC_ERROR_NONE || h->shutdown) { + security_handshake_failed_locked(exec_ctx, h, GRPC_ERROR_REF(error)); + goto done; + } + // Get frame protector. + tsi_frame_protector *protector; + tsi_result result = + tsi_handshaker_create_frame_protector(h->handshaker, NULL, &protector); + if (result != TSI_OK) { + error = grpc_set_tsi_error_result( + GRPC_ERROR_CREATE("Frame protector creation failed"), result); + security_handshake_failed_locked(exec_ctx, h, error); + goto done; + } + // Success. + // Create secure endpoint. + h->args->endpoint = grpc_secure_endpoint_create( + protector, h->args->endpoint, h->left_overs.slices, h->left_overs.count); + h->left_overs.count = 0; + h->left_overs.length = 0; + // Clear out the read buffer before it gets passed to the transport, + // since any excess bytes were already copied to h->left_overs. + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, h->args->read_buffer); + // Add auth context to channel args. + grpc_arg auth_context_arg = grpc_auth_context_to_arg(h->auth_context); + grpc_channel_args *tmp_args = h->args->args; + h->args->args = + grpc_channel_args_copy_and_add(tmp_args, &auth_context_arg, 1); + grpc_channel_args_destroy(exec_ctx, tmp_args); + // Invoke callback. + grpc_closure_sched(exec_ctx, h->on_handshake_done, GRPC_ERROR_NONE); + // Set shutdown to true so that subsequent calls to + // security_handshaker_shutdown() do nothing. + h->shutdown = true; +done: + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); +} + +static grpc_error *check_peer_locked(grpc_exec_ctx *exec_ctx, + security_handshaker *h) { + tsi_peer peer; + tsi_result result = tsi_handshaker_extract_peer(h->handshaker, &peer); + if (result != TSI_OK) { + return grpc_set_tsi_error_result( + GRPC_ERROR_CREATE("Peer extraction failed"), result); + } + grpc_security_connector_check_peer(exec_ctx, h->connector, peer, + &h->auth_context, &h->on_peer_checked); + return GRPC_ERROR_NONE; +} + +static grpc_error *send_handshake_bytes_to_peer_locked(grpc_exec_ctx *exec_ctx, + security_handshaker *h) { + // Get data to send. + tsi_result result = TSI_OK; + size_t offset = 0; + do { + size_t to_send_size = h->handshake_buffer_size - offset; + result = tsi_handshaker_get_bytes_to_send_to_peer( + h->handshaker, h->handshake_buffer + offset, &to_send_size); + offset += to_send_size; + if (result == TSI_INCOMPLETE_DATA) { + h->handshake_buffer_size *= 2; + h->handshake_buffer = + gpr_realloc(h->handshake_buffer, h->handshake_buffer_size); + } + } while (result == TSI_INCOMPLETE_DATA); + if (result != TSI_OK) { + return grpc_set_tsi_error_result(GRPC_ERROR_CREATE("Handshake failed"), + result); + } + // Send data. + grpc_slice to_send = + grpc_slice_from_copied_buffer((const char *)h->handshake_buffer, offset); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &h->outgoing); + grpc_slice_buffer_add(&h->outgoing, to_send); + grpc_endpoint_write(exec_ctx, h->args->endpoint, &h->outgoing, + &h->on_handshake_data_sent_to_peer); + return GRPC_ERROR_NONE; +} + +static void on_handshake_data_received_from_peer(grpc_exec_ctx *exec_ctx, + void *arg, grpc_error *error) { + security_handshaker *h = arg; + gpr_mu_lock(&h->mu); + if (error != GRPC_ERROR_NONE || h->shutdown) { + security_handshake_failed_locked( + exec_ctx, h, + GRPC_ERROR_CREATE_REFERENCING("Handshake read failed", &error, 1)); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + // Process received data. + tsi_result result = TSI_OK; + size_t consumed_slice_size = 0; + size_t i; + for (i = 0; i < h->args->read_buffer->count; i++) { + consumed_slice_size = GRPC_SLICE_LENGTH(h->args->read_buffer->slices[i]); + result = tsi_handshaker_process_bytes_from_peer( + h->handshaker, GRPC_SLICE_START_PTR(h->args->read_buffer->slices[i]), + &consumed_slice_size); + if (!tsi_handshaker_is_in_progress(h->handshaker)) break; + } + if (tsi_handshaker_is_in_progress(h->handshaker)) { + /* We may need more data. */ + if (result == TSI_INCOMPLETE_DATA) { + grpc_endpoint_read(exec_ctx, h->args->endpoint, h->args->read_buffer, + &h->on_handshake_data_received_from_peer); + goto done; + } else { + error = send_handshake_bytes_to_peer_locked(exec_ctx, h); + if (error != GRPC_ERROR_NONE) { + security_handshake_failed_locked(exec_ctx, h, error); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + goto done; + } + } + if (result != TSI_OK) { + security_handshake_failed_locked( + exec_ctx, h, grpc_set_tsi_error_result( + GRPC_ERROR_CREATE("Handshake failed"), result)); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + /* Handshake is done and successful this point. */ + bool has_left_overs_in_current_slice = + (consumed_slice_size < + GRPC_SLICE_LENGTH(h->args->read_buffer->slices[i])); + size_t num_left_overs = (has_left_overs_in_current_slice ? 1 : 0) + + h->args->read_buffer->count - i - 1; + if (num_left_overs > 0) { + /* Put the leftovers in our buffer (ownership transfered). */ + if (has_left_overs_in_current_slice) { + grpc_slice_buffer_add( + &h->left_overs, + grpc_slice_split_tail(&h->args->read_buffer->slices[i], + consumed_slice_size)); + /* split_tail above increments refcount. */ + grpc_slice_unref_internal(exec_ctx, h->args->read_buffer->slices[i]); + } + grpc_slice_buffer_addn( + &h->left_overs, &h->args->read_buffer->slices[i + 1], + num_left_overs - (size_t)has_left_overs_in_current_slice); + } + // Check peer. + error = check_peer_locked(exec_ctx, h); + if (error != GRPC_ERROR_NONE) { + security_handshake_failed_locked(exec_ctx, h, error); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } +done: + gpr_mu_unlock(&h->mu); +} + +static void on_handshake_data_sent_to_peer(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + security_handshaker *h = arg; + gpr_mu_lock(&h->mu); + if (error != GRPC_ERROR_NONE || h->shutdown) { + security_handshake_failed_locked( + exec_ctx, h, + GRPC_ERROR_CREATE_REFERENCING("Handshake write failed", &error, 1)); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + /* We may be done. */ + if (tsi_handshaker_is_in_progress(h->handshaker)) { + grpc_endpoint_read(exec_ctx, h->args->endpoint, h->args->read_buffer, + &h->on_handshake_data_received_from_peer); + } else { + error = check_peer_locked(exec_ctx, h); + if (error != GRPC_ERROR_NONE) { + security_handshake_failed_locked(exec_ctx, h, error); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + } + gpr_mu_unlock(&h->mu); +} + +// +// public handshaker API +// + +static void security_handshaker_destroy(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker) { + security_handshaker *h = (security_handshaker *)handshaker; + security_handshaker_unref(exec_ctx, h); +} + +static void security_handshaker_shutdown(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker) { + security_handshaker *h = (security_handshaker *)handshaker; + gpr_mu_lock(&h->mu); + if (!h->shutdown) { + h->shutdown = true; + grpc_endpoint_shutdown(exec_ctx, h->args->endpoint); + cleanup_args_for_failure_locked(exec_ctx, h); + } + gpr_mu_unlock(&h->mu); +} + +static void security_handshaker_do_handshake(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker, + grpc_tcp_server_acceptor *acceptor, + grpc_closure *on_handshake_done, + grpc_handshaker_args *args) { + security_handshaker *h = (security_handshaker *)handshaker; + gpr_mu_lock(&h->mu); + h->args = args; + h->on_handshake_done = on_handshake_done; + gpr_ref(&h->refs); + grpc_error *error = send_handshake_bytes_to_peer_locked(exec_ctx, h); + if (error != GRPC_ERROR_NONE) { + security_handshake_failed_locked(exec_ctx, h, error); + gpr_mu_unlock(&h->mu); + security_handshaker_unref(exec_ctx, h); + return; + } + gpr_mu_unlock(&h->mu); +} + +static const grpc_handshaker_vtable security_handshaker_vtable = { + security_handshaker_destroy, security_handshaker_shutdown, + security_handshaker_do_handshake}; + +static grpc_handshaker *security_handshaker_create( + grpc_exec_ctx *exec_ctx, tsi_handshaker *handshaker, + grpc_security_connector *connector) { + security_handshaker *h = gpr_malloc(sizeof(security_handshaker)); + memset(h, 0, sizeof(security_handshaker)); + grpc_handshaker_init(&security_handshaker_vtable, &h->base); + h->handshaker = handshaker; + h->connector = GRPC_SECURITY_CONNECTOR_REF(connector, "handshake"); + gpr_mu_init(&h->mu); + gpr_ref_init(&h->refs, 1); + h->handshake_buffer_size = GRPC_INITIAL_HANDSHAKE_BUFFER_SIZE; + h->handshake_buffer = gpr_malloc(h->handshake_buffer_size); + grpc_closure_init(&h->on_handshake_data_sent_to_peer, + on_handshake_data_sent_to_peer, h, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&h->on_handshake_data_received_from_peer, + on_handshake_data_received_from_peer, h, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&h->on_peer_checked, on_peer_checked, h, + grpc_schedule_on_exec_ctx); + grpc_slice_buffer_init(&h->left_overs); + grpc_slice_buffer_init(&h->outgoing); + return &h->base; +} + +// +// fail_handshaker +// + +static void fail_handshaker_destroy(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker) { + gpr_free(handshaker); +} + +static void fail_handshaker_shutdown(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker) {} + +static void fail_handshaker_do_handshake(grpc_exec_ctx *exec_ctx, + grpc_handshaker *handshaker, + grpc_tcp_server_acceptor *acceptor, + grpc_closure *on_handshake_done, + grpc_handshaker_args *args) { + grpc_closure_sched(exec_ctx, on_handshake_done, + GRPC_ERROR_CREATE("Failed to create security handshaker")); +} + +static const grpc_handshaker_vtable fail_handshaker_vtable = { + fail_handshaker_destroy, fail_handshaker_shutdown, + fail_handshaker_do_handshake}; + +static grpc_handshaker *fail_handshaker_create() { + grpc_handshaker *h = gpr_malloc(sizeof(*h)); + grpc_handshaker_init(&fail_handshaker_vtable, h); + return h; +} + +// +// handshaker factories +// + +static void client_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + grpc_channel_security_connector *security_connector = + (grpc_channel_security_connector *)grpc_find_security_connector_in_args( + args); + grpc_channel_security_connector_add_handshakers(exec_ctx, security_connector, + handshake_mgr); +} + +static void server_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *hf, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + grpc_server_security_connector *security_connector = + (grpc_server_security_connector *)grpc_find_security_connector_in_args( + args); + grpc_server_security_connector_add_handshakers(exec_ctx, security_connector, + handshake_mgr); +} + +static void handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory) {} + +static const grpc_handshaker_factory_vtable client_handshaker_factory_vtable = { + client_handshaker_factory_add_handshakers, handshaker_factory_destroy}; + +static grpc_handshaker_factory client_handshaker_factory = { + &client_handshaker_factory_vtable}; + +static const grpc_handshaker_factory_vtable server_handshaker_factory_vtable = { + server_handshaker_factory_add_handshakers, handshaker_factory_destroy}; + +static grpc_handshaker_factory server_handshaker_factory = { + &server_handshaker_factory_vtable}; + +// +// exported functions +// + +grpc_handshaker *grpc_security_handshaker_create( + grpc_exec_ctx *exec_ctx, tsi_handshaker *handshaker, + grpc_security_connector *connector) { + // If no TSI handshaker was created, return a handshaker that always fails. + // Otherwise, return a real security handshaker. + if (handshaker == NULL) { + return fail_handshaker_create(); + } else { + return security_handshaker_create(exec_ctx, handshaker, connector); + } +} + +void grpc_security_register_handshaker_factories() { + grpc_handshaker_factory_register(false /* at_start */, HANDSHAKER_CLIENT, + &client_handshaker_factory); + grpc_handshaker_factory_register(false /* at_start */, HANDSHAKER_SERVER, + &server_handshaker_factory); +} diff --git a/src/core/lib/security/transport/handshake.h b/src/core/lib/security/transport/security_handshaker.h index f894540515..0b9eda178f 100644 --- a/src/core/lib/security/transport/handshake.h +++ b/src/core/lib/security/transport/security_handshaker.h @@ -31,20 +31,19 @@ * */ -#ifndef GRPC_CORE_LIB_SECURITY_TRANSPORT_HANDSHAKE_H -#define GRPC_CORE_LIB_SECURITY_TRANSPORT_HANDSHAKE_H +#ifndef GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_HANDSHAKER_H +#define GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_HANDSHAKER_H -#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/security/transport/security_connector.h" -/* Calls the callback upon completion. Takes owership of handshaker and - * read_buffer. */ -void grpc_do_security_handshake( +/// Creates a security handshaker using \a handshaker. +grpc_handshaker *grpc_security_handshaker_create( grpc_exec_ctx *exec_ctx, tsi_handshaker *handshaker, - grpc_security_connector *connector, bool is_client_side, - grpc_endpoint *nonsecure_endpoint, grpc_slice_buffer *read_buffer, - gpr_timespec deadline, grpc_security_handshake_done_cb cb, void *user_data); + grpc_security_connector *connector); -void grpc_security_handshake_shutdown(grpc_exec_ctx *exec_ctx, void *handshake); +/// Registers security handshaker factories. +void grpc_security_register_handshaker_factories(); -#endif /* GRPC_CORE_LIB_SECURITY_TRANSPORT_HANDSHAKE_H */ +#endif /* GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_HANDSHAKER_H */ diff --git a/src/core/lib/security/transport/server_auth_filter.c b/src/core/lib/security/transport/server_auth_filter.c index eaa1d0720b..5e98ba895d 100644 --- a/src/core/lib/security/transport/server_auth_filter.c +++ b/src/core/lib/security/transport/server_auth_filter.c @@ -83,7 +83,8 @@ static grpc_metadata_array metadata_batch_to_md_array( return result; } -static grpc_mdelem *remove_consumed_md(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *remove_consumed_md(grpc_exec_ctx *exec_ctx, void *user_data, + grpc_mdelem *md) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; size_t i; @@ -129,10 +130,10 @@ static void on_md_processing_done( if (status == GRPC_STATUS_OK) { calld->consumed_md = consumed_md; calld->num_consumed_md = num_consumed_md; - grpc_metadata_batch_filter(calld->recv_initial_metadata, remove_consumed_md, - elem); + grpc_metadata_batch_filter(&exec_ctx, calld->recv_initial_metadata, + remove_consumed_md, elem); grpc_metadata_array_destroy(&calld->md); - grpc_exec_ctx_sched(&exec_ctx, calld->on_done_recv, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(&exec_ctx, calld->on_done_recv, GRPC_ERROR_NONE); } else { grpc_slice message; grpc_transport_stream_op *close_op = gpr_malloc(sizeof(*close_op)); @@ -148,13 +149,13 @@ static void on_md_processing_done( calld->transport_op->send_message = NULL; } calld->transport_op->send_trailing_metadata = NULL; - close_op->on_complete = grpc_closure_create(destroy_op, close_op); - grpc_transport_stream_op_add_close(close_op, status, &message); + close_op->on_complete = + grpc_closure_create(destroy_op, close_op, grpc_schedule_on_exec_ctx); + grpc_transport_stream_op_add_close(&exec_ctx, close_op, status, &message); grpc_call_next_op(&exec_ctx, elem, close_op); - grpc_exec_ctx_sched(&exec_ctx, calld->on_done_recv, - grpc_error_set_int(GRPC_ERROR_CREATE(error_details), - GRPC_ERROR_INT_GRPC_STATUS, status), - NULL); + grpc_closure_sched(&exec_ctx, calld->on_done_recv, + grpc_error_set_int(GRPC_ERROR_CREATE(error_details), + GRPC_ERROR_INT_GRPC_STATUS, status)); } grpc_exec_ctx_finish(&exec_ctx); @@ -174,8 +175,7 @@ static void auth_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, return; } } - grpc_exec_ctx_sched(exec_ctx, calld->on_done_recv, GRPC_ERROR_REF(error), - NULL); + grpc_closure_sched(exec_ctx, calld->on_done_recv, GRPC_ERROR_REF(error)); } static void set_recv_ops_md_callbacks(grpc_call_element *elem, @@ -214,7 +214,8 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, /* initialize members */ memset(calld, 0, sizeof(*calld)); - grpc_closure_init(&calld->auth_on_recv, auth_on_recv, elem); + grpc_closure_init(&calld->auth_on_recv, auth_on_recv, elem, + grpc_schedule_on_exec_ctx); if (args->context[GRPC_CONTEXT_SECURITY].value != NULL) { args->context[GRPC_CONTEXT_SECURITY].destroy( @@ -238,9 +239,9 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, void *ignored) {} /* Constructor for channel_data */ -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { grpc_auth_context *auth_context = grpc_find_auth_context_in_args(args->channel_args); grpc_server_credentials *creds = @@ -256,6 +257,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, chand->auth_context = GRPC_AUTH_CONTEXT_REF(auth_context, "server_auth_filter"); chand->creds = grpc_server_credentials_ref(creds); + return GRPC_ERROR_NONE; } /* Destructor for channel data */ @@ -264,7 +266,7 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, /* grab pointers to our data from the channel element */ channel_data *chand = elem->channel_data; GRPC_AUTH_CONTEXT_UNREF(chand->auth_context, "server_auth_filter"); - grpc_server_credentials_unref(chand->creds); + grpc_server_credentials_unref(exec_ctx, chand->creds); } const grpc_channel_filter grpc_server_auth_filter = { diff --git a/src/core/lib/security/util/b64.c b/src/core/lib/security/util/b64.c index 4892e8e621..bbd7e335a6 100644 --- a/src/core/lib/security/util/b64.c +++ b/src/core/lib/security/util/b64.c @@ -40,6 +40,8 @@ #include <grpc/support/log.h> #include <grpc/support/useful.h> +#include "src/core/lib/slice/slice_internal.h" + /* --- Constants. --- */ static const int8_t base64_bytes[] = { @@ -120,8 +122,9 @@ char *grpc_base64_encode(const void *vdata, size_t data_size, int url_safe, return result; } -grpc_slice grpc_base64_decode(const char *b64, int url_safe) { - return grpc_base64_decode_with_len(b64, strlen(b64), url_safe); +grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64, + int url_safe) { + return grpc_base64_decode_with_len(exec_ctx, b64, strlen(b64), url_safe); } static void decode_one_char(const unsigned char *codes, unsigned char *result, @@ -182,8 +185,8 @@ static int decode_group(const unsigned char *codes, size_t num_codes, return 1; } -grpc_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len, - int url_safe) { +grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx *exec_ctx, const char *b64, + size_t b64_len, int url_safe) { grpc_slice result = grpc_slice_malloc(b64_len); unsigned char *current = GRPC_SLICE_START_PTR(result); size_t result_size = 0; @@ -228,6 +231,6 @@ grpc_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len, return result; fail: - grpc_slice_unref(result); + grpc_slice_unref_internal(exec_ctx, result); return gpr_empty_slice(); } diff --git a/src/core/lib/security/util/b64.h b/src/core/lib/security/util/b64.h index 6ea0b5365b..d42a136f61 100644 --- a/src/core/lib/security/util/b64.h +++ b/src/core/lib/security/util/b64.h @@ -43,10 +43,11 @@ char *grpc_base64_encode(const void *data, size_t data_size, int url_safe, /* Decodes data according to the base64 specification. Returns an empty slice in case of failure. */ -grpc_slice grpc_base64_decode(const char *b64, int url_safe); +grpc_slice grpc_base64_decode(grpc_exec_ctx *exec_ctx, const char *b64, + int url_safe); /* Same as above except that the length is provided by the caller. */ -grpc_slice grpc_base64_decode_with_len(const char *b64, size_t b64_len, - int url_safe); +grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx *exec_ctx, const char *b64, + size_t b64_len, int url_safe); #endif /* GRPC_CORE_LIB_SECURITY_UTIL_B64_H */ diff --git a/src/core/lib/slice/percent_encoding.c b/src/core/lib/slice/percent_encoding.c index b9e35f1c71..c76c58d371 100644 --- a/src/core/lib/slice/percent_encoding.c +++ b/src/core/lib/slice/percent_encoding.c @@ -35,6 +35,8 @@ #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" + const uint8_t grpc_url_percent_encoding_unreserved_bytes[256 / 8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xff, 0x03, 0xfe, 0xff, 0xff, 0x87, 0xfe, 0xff, 0xff, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -66,7 +68,7 @@ grpc_slice grpc_percent_encode_slice(grpc_slice slice, } // no unreserved bytes: return the string unmodified if (!any_reserved_bytes) { - return grpc_slice_ref(slice); + return grpc_slice_ref_internal(slice); } // second pass: actually encode grpc_slice out = grpc_slice_malloc(output_length); @@ -119,7 +121,7 @@ bool grpc_strict_percent_decode_slice(grpc_slice slice_in, } } if (!any_percent_encoded_stuff) { - *slice_out = grpc_slice_ref(slice_in); + *slice_out = grpc_slice_ref_internal(slice_in); return true; } p = GRPC_SLICE_START_PTR(slice_in); @@ -158,7 +160,7 @@ grpc_slice grpc_permissive_percent_decode_slice(grpc_slice slice_in) { } } if (!any_percent_encoded_stuff) { - return grpc_slice_ref(slice_in); + return grpc_slice_ref_internal(slice_in); } p = GRPC_SLICE_START_PTR(slice_in); grpc_slice out = grpc_slice_malloc(out_length); diff --git a/src/core/lib/slice/slice.c b/src/core/lib/slice/slice.c index 52977e6d9a..76118102ec 100644 --- a/src/core/lib/slice/slice.c +++ b/src/core/lib/slice/slice.c @@ -31,12 +31,16 @@ * */ +#include "src/core/lib/slice/slice_internal.h" + #include <grpc/slice.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <string.h> +#include "src/core/lib/iomgr/exec_ctx.h" + grpc_slice gpr_empty_slice(void) { grpc_slice out; out.refcount = 0; @@ -44,25 +48,37 @@ grpc_slice gpr_empty_slice(void) { return out; } -grpc_slice grpc_slice_ref(grpc_slice slice) { +grpc_slice grpc_slice_ref_internal(grpc_slice slice) { if (slice.refcount) { slice.refcount->ref(slice.refcount); } return slice; } -void grpc_slice_unref(grpc_slice slice) { +void grpc_slice_unref_internal(grpc_exec_ctx *exec_ctx, grpc_slice slice) { if (slice.refcount) { - slice.refcount->unref(slice.refcount); + slice.refcount->unref(exec_ctx, slice.refcount); } } +/* Public API */ +grpc_slice grpc_slice_ref(grpc_slice slice) { + return grpc_slice_ref_internal(slice); +} + +/* Public API */ +void grpc_slice_unref(grpc_slice slice) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_slice_unref_internal(&exec_ctx, slice); + grpc_exec_ctx_finish(&exec_ctx); +} + /* grpc_slice_from_static_string support structure - a refcount that does nothing */ -static void noop_ref_or_unref(void *unused) {} +static void noop_ref(void *unused) {} +static void noop_unref(grpc_exec_ctx *exec_ctx, void *unused) {} -static grpc_slice_refcount noop_refcount = {noop_ref_or_unref, - noop_ref_or_unref}; +static grpc_slice_refcount noop_refcount = {noop_ref, noop_unref}; grpc_slice grpc_slice_from_static_string(const char *s) { grpc_slice slice; @@ -86,7 +102,7 @@ static void new_slice_ref(void *p) { gpr_ref(&r->refs); } -static void new_slice_unref(void *p) { +static void new_slice_unref(grpc_exec_ctx *exec_ctx, void *p) { new_slice_refcount *r = p; if (gpr_unref(&r->refs)) { r->user_destroy(r->user_data); @@ -131,7 +147,7 @@ static void new_with_len_ref(void *p) { gpr_ref(&r->refs); } -static void new_with_len_unref(void *p) { +static void new_with_len_unref(grpc_exec_ctx *exec_ctx, void *p) { new_with_len_slice_refcount *r = p; if (gpr_unref(&r->refs)) { r->user_destroy(r->user_data, r->user_length); @@ -177,7 +193,7 @@ static void malloc_ref(void *p) { gpr_ref(&r->refs); } -static void malloc_unref(void *p) { +static void malloc_unref(grpc_exec_ctx *exec_ctx, void *p) { malloc_refcount *r = p; if (gpr_unref(&r->refs)) { gpr_free(r); diff --git a/src/core/lib/slice/slice_buffer.c b/src/core/lib/slice/slice_buffer.c index 990ef128bd..08eaf4963a 100644 --- a/src/core/lib/slice/slice_buffer.c +++ b/src/core/lib/slice/slice_buffer.c @@ -40,6 +40,8 @@ #include <grpc/support/log.h> #include <grpc/support/useful.h> +#include "src/core/lib/slice/slice_internal.h" + /* grow a buffer; requires GRPC_SLICE_BUFFER_INLINE_ELEMENTS > 1 */ #define GROW(x) (3 * (x) / 2) @@ -63,13 +65,20 @@ void grpc_slice_buffer_init(grpc_slice_buffer *sb) { sb->slices = sb->inlined; } -void grpc_slice_buffer_destroy(grpc_slice_buffer *sb) { - grpc_slice_buffer_reset_and_unref(sb); +void grpc_slice_buffer_destroy_internal(grpc_exec_ctx *exec_ctx, + grpc_slice_buffer *sb) { + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, sb); if (sb->slices != sb->inlined) { gpr_free(sb->slices); } } +void grpc_slice_buffer_destroy(grpc_slice_buffer *sb) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_slice_buffer_destroy_internal(&exec_ctx, sb); + grpc_exec_ctx_finish(&exec_ctx); +} + uint8_t *grpc_slice_buffer_tiny_add(grpc_slice_buffer *sb, size_t n) { grpc_slice *back; uint8_t *out; @@ -154,17 +163,24 @@ void grpc_slice_buffer_pop(grpc_slice_buffer *sb) { } } -void grpc_slice_buffer_reset_and_unref(grpc_slice_buffer *sb) { +void grpc_slice_buffer_reset_and_unref_internal(grpc_exec_ctx *exec_ctx, + grpc_slice_buffer *sb) { size_t i; for (i = 0; i < sb->count; i++) { - grpc_slice_unref(sb->slices[i]); + grpc_slice_unref_internal(exec_ctx, sb->slices[i]); } sb->count = 0; sb->length = 0; } +void grpc_slice_buffer_reset_and_unref(grpc_slice_buffer *sb) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_slice_buffer_reset_and_unref_internal(&exec_ctx, sb); + grpc_exec_ctx_finish(&exec_ctx); +} + void grpc_slice_buffer_swap(grpc_slice_buffer *a, grpc_slice_buffer *b) { GPR_SWAP(size_t, a->count, b->count); GPR_SWAP(size_t, a->capacity, b->capacity); diff --git a/src/core/lib/slice/slice_internal.h b/src/core/lib/slice/slice_internal.h new file mode 100644 index 0000000000..6185333ca7 --- /dev/null +++ b/src/core/lib/slice/slice_internal.h @@ -0,0 +1,49 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_LIB_SLICE_SLICE_INTERNAL_H +#define GRPC_CORE_LIB_SLICE_SLICE_INTERNAL_H + +#include <grpc/slice.h> +#include <grpc/slice_buffer.h> + +#include "src/core/lib/iomgr/exec_ctx.h" + +grpc_slice grpc_slice_ref_internal(grpc_slice slice); +void grpc_slice_unref_internal(grpc_exec_ctx *exec_ctx, grpc_slice slice); +void grpc_slice_buffer_reset_and_unref_internal(grpc_exec_ctx *exec_ctx, + grpc_slice_buffer *sb); +void grpc_slice_buffer_destroy_internal(grpc_exec_ctx *exec_ctx, + grpc_slice_buffer *sb); + +#endif /* GRPC_CORE_LIB_SLICE_SLICE_INTERNAL_H */ diff --git a/src/core/lib/slice/slice_string_helpers.c b/src/core/lib/slice/slice_string_helpers.c index 4731762ece..839c366b32 100644 --- a/src/core/lib/slice/slice_string_helpers.c +++ b/src/core/lib/slice/slice_string_helpers.c @@ -37,6 +37,7 @@ #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/string.h" char *grpc_dump_slice(grpc_slice s, uint32_t flags) { @@ -84,6 +85,6 @@ void grpc_slice_split(grpc_slice str, const char *sep, grpc_slice_buffer *dst) { grpc_slice_buffer_add_indexed( dst, grpc_slice_sub(str, end + sep_len, GRPC_SLICE_LENGTH(str))); } else { /* no sep found, add whole input */ - grpc_slice_buffer_add_indexed(dst, grpc_slice_ref(str)); + grpc_slice_buffer_add_indexed(dst, grpc_slice_ref_internal(str)); } } diff --git a/src/core/lib/support/backoff.c b/src/core/lib/support/backoff.c index e89ef47220..0612472712 100644 --- a/src/core/lib/support/backoff.c +++ b/src/core/lib/support/backoff.c @@ -35,8 +35,10 @@ #include <grpc/support/useful.h> -void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter, +void gpr_backoff_init(gpr_backoff *backoff, int64_t initial_connect_timeout, + double multiplier, double jitter, int64_t min_timeout_millis, int64_t max_timeout_millis) { + backoff->initial_connect_timeout = initial_connect_timeout; backoff->multiplier = multiplier; backoff->jitter = jitter; backoff->min_timeout_millis = min_timeout_millis; @@ -45,9 +47,10 @@ void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter, } gpr_timespec gpr_backoff_begin(gpr_backoff *backoff, gpr_timespec now) { - backoff->current_timeout_millis = backoff->min_timeout_millis; - return gpr_time_add( - now, gpr_time_from_millis(backoff->current_timeout_millis, GPR_TIMESPAN)); + backoff->current_timeout_millis = backoff->initial_connect_timeout; + const int64_t first_timeout = + GPR_MAX(backoff->current_timeout_millis, backoff->min_timeout_millis); + return gpr_time_add(now, gpr_time_from_millis(first_timeout, GPR_TIMESPAN)); } /* Generate a random number between 0 and 1. */ @@ -57,20 +60,28 @@ static double generate_uniform_random_number(uint32_t *rng_state) { } gpr_timespec gpr_backoff_step(gpr_backoff *backoff, gpr_timespec now) { - double new_timeout_millis = + const double new_timeout_millis = backoff->multiplier * (double)backoff->current_timeout_millis; - double jitter_range = backoff->jitter * new_timeout_millis; - double jitter = + backoff->current_timeout_millis = + GPR_MIN((int64_t)new_timeout_millis, backoff->max_timeout_millis); + + const double jitter_range_width = backoff->jitter * new_timeout_millis; + const double jitter = (2 * generate_uniform_random_number(&backoff->rng_state) - 1) * - jitter_range; + jitter_range_width; + backoff->current_timeout_millis = - GPR_CLAMP((int64_t)(new_timeout_millis + jitter), - backoff->min_timeout_millis, backoff->max_timeout_millis); - return gpr_time_add( + (int64_t)((double)(backoff->current_timeout_millis) + jitter); + + const gpr_timespec current_deadline = gpr_time_add( now, gpr_time_from_millis(backoff->current_timeout_millis, GPR_TIMESPAN)); + + const gpr_timespec min_deadline = gpr_time_add( + now, gpr_time_from_millis(backoff->min_timeout_millis, GPR_TIMESPAN)); + + return gpr_time_max(current_deadline, min_deadline); } void gpr_backoff_reset(gpr_backoff *backoff) { - // forces step() to return a timeout of min_timeout_millis - backoff->current_timeout_millis = 0; + backoff->current_timeout_millis = backoff->initial_connect_timeout; } diff --git a/src/core/lib/support/backoff.h b/src/core/lib/support/backoff.h index 6d40c15546..5e9b740824 100644 --- a/src/core/lib/support/backoff.h +++ b/src/core/lib/support/backoff.h @@ -37,7 +37,9 @@ #include <grpc/support/time.h> typedef struct { - /// const: multiplier between retry attempts + /// const: how long to wait after the first failure before retrying + int64_t initial_connect_timeout; + /// const: factor with which to multiply backoff after a failed retry double multiplier; /// const: amount to randomize backoffs double jitter; @@ -54,7 +56,8 @@ typedef struct { } gpr_backoff; /// Initialize backoff machinery - does not need to be destroyed -void gpr_backoff_init(gpr_backoff *backoff, double multiplier, double jitter, +void gpr_backoff_init(gpr_backoff *backoff, int64_t initial_connect_timeout, + double multiplier, double jitter, int64_t min_timeout_millis, int64_t max_timeout_millis); /// Begin retry loop: returns a timespec for the NEXT retry diff --git a/src/core/lib/support/string.c b/src/core/lib/support/string.c index f10a30f0fd..d20b86f7cf 100644 --- a/src/core/lib/support/string.c +++ b/src/core/lib/support/string.c @@ -275,3 +275,41 @@ int gpr_stricmp(const char *a, const char *b) { } while (ca == cb && ca && cb); return ca - cb; } + +static void add_string_to_split(const char *beg, const char *end, char ***strs, + size_t *nstrs, size_t *capstrs) { + char *out = gpr_malloc((size_t)(end - beg) + 1); + memcpy(out, beg, (size_t)(end - beg)); + out[end - beg] = 0; + if (*nstrs == *capstrs) { + *capstrs = GPR_MAX(8, 2 * *capstrs); + *strs = gpr_realloc(*strs, sizeof(*strs) * *capstrs); + } + (*strs)[*nstrs] = out; + ++*nstrs; +} + +void gpr_string_split(const char *input, const char *sep, char ***strs, + size_t *nstrs) { + char *next; + *strs = NULL; + *nstrs = 0; + size_t capstrs = 0; + while ((next = strstr(input, sep))) { + add_string_to_split(input, next, strs, nstrs, &capstrs); + input = next + strlen(sep); + } + add_string_to_split(input, input + strlen(input), strs, nstrs, &capstrs); +} + +void *gpr_memrchr(const void *s, int c, size_t n) { + if (s == NULL) return NULL; + char *b = (char *)s; + size_t i; + for (i = 0; i < n; i++) { + if (b[n - i - 1] == c) { + return &b[n - i - 1]; + } + } + return NULL; +} diff --git a/src/core/lib/support/string.h b/src/core/lib/support/string.h index e933e2eb46..d1c52faed4 100644 --- a/src/core/lib/support/string.h +++ b/src/core/lib/support/string.h @@ -36,8 +36,6 @@ #include <stddef.h> -#include <grpc/slice.h> -#include <grpc/slice_buffer.h> #include <grpc/support/port_platform.h> #ifdef __cplusplus @@ -98,6 +96,9 @@ char *gpr_strjoin(const char **strs, size_t nstrs, size_t *total_length); char *gpr_strjoin_sep(const char **strs, size_t nstrs, const char *sep, size_t *total_length); +void gpr_string_split(const char *input, const char *sep, char ***strs, + size_t *nstrs); + /* A vector of strings... for building up a final string one piece at a time */ typedef struct { char **strs; @@ -118,6 +119,8 @@ char *gpr_strvec_flatten(gpr_strvec *strs, size_t *total_length); lower(a)==lower(b), >0 if lower(a)>lower(b) */ int gpr_stricmp(const char *a, const char *b); +void *gpr_memrchr(const void *s, int c, size_t n); + #ifdef __cplusplus } #endif diff --git a/src/core/lib/support/tmpfile.h b/src/core/lib/support/tmpfile.h index 8952e5ec3d..f613cf9bc8 100644 --- a/src/core/lib/support/tmpfile.h +++ b/src/core/lib/support/tmpfile.h @@ -36,8 +36,6 @@ #include <stdio.h> -#include <grpc/slice.h> - #ifdef __cplusplus extern "C" { #endif diff --git a/src/core/lib/surface/README.md b/src/core/lib/surface/README.md new file mode 100644 index 0000000000..74cbd71131 --- /dev/null +++ b/src/core/lib/surface/README.md @@ -0,0 +1,4 @@ +# Surface + +Surface provides the bulk of the gRPC Core public API, and translates it into +calls against core components. diff --git a/src/core/lib/surface/alarm.c b/src/core/lib/surface/alarm.c index aa9d60ee6a..e71c0ebfc5 100644 --- a/src/core/lib/surface/alarm.c +++ b/src/core/lib/surface/alarm.c @@ -38,6 +38,7 @@ struct grpc_alarm { grpc_timer alarm; + grpc_closure on_alarm; grpc_cq_completion completion; /** completion queue where events about this alarm will be posted */ grpc_completion_queue *cq; @@ -64,9 +65,11 @@ grpc_alarm *grpc_alarm_create(grpc_completion_queue *cq, gpr_timespec deadline, alarm->tag = tag; grpc_cq_begin_op(cq, tag); + grpc_closure_init(&alarm->on_alarm, alarm_cb, alarm, + grpc_schedule_on_exec_ctx); grpc_timer_init(&exec_ctx, &alarm->alarm, gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC), - alarm_cb, alarm, gpr_now(GPR_CLOCK_MONOTONIC)); + &alarm->on_alarm, gpr_now(GPR_CLOCK_MONOTONIC)); grpc_exec_ctx_finish(&exec_ctx); return alarm; } diff --git a/src/core/lib/surface/byte_buffer.c b/src/core/lib/surface/byte_buffer.c index d646591a65..c8e2fdfdad 100644 --- a/src/core/lib/surface/byte_buffer.c +++ b/src/core/lib/surface/byte_buffer.c @@ -35,6 +35,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" + grpc_byte_buffer *grpc_raw_byte_buffer_create(grpc_slice *slices, size_t nslices) { return grpc_raw_compressed_byte_buffer_create(slices, nslices, @@ -50,7 +52,7 @@ grpc_byte_buffer *grpc_raw_compressed_byte_buffer_create( bb->data.raw.compression = compression; grpc_slice_buffer_init(&bb->data.raw.slice_buffer); for (i = 0; i < nslices; i++) { - grpc_slice_ref(slices[i]); + grpc_slice_ref_internal(slices[i]); grpc_slice_buffer_add(&bb->data.raw.slice_buffer, slices[i]); } return bb; @@ -82,12 +84,14 @@ grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb) { void grpc_byte_buffer_destroy(grpc_byte_buffer *bb) { if (!bb) return; + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; switch (bb->type) { case GRPC_BB_RAW: - grpc_slice_buffer_destroy(&bb->data.raw.slice_buffer); + grpc_slice_buffer_destroy_internal(&exec_ctx, &bb->data.raw.slice_buffer); break; } gpr_free(bb); + grpc_exec_ctx_finish(&exec_ctx); } size_t grpc_byte_buffer_length(grpc_byte_buffer *bb) { diff --git a/src/core/lib/surface/byte_buffer_reader.c b/src/core/lib/surface/byte_buffer_reader.c index 0089959fbb..1a6ccdaddb 100644 --- a/src/core/lib/surface/byte_buffer_reader.c +++ b/src/core/lib/surface/byte_buffer_reader.c @@ -42,6 +42,7 @@ #include <grpc/support/log.h> #include "src/core/lib/compression/message_compress.h" +#include "src/core/lib/slice/slice_internal.h" static int is_compressed(grpc_byte_buffer *buffer) { switch (buffer->type) { @@ -56,13 +57,15 @@ static int is_compressed(grpc_byte_buffer *buffer) { int grpc_byte_buffer_reader_init(grpc_byte_buffer_reader *reader, grpc_byte_buffer *buffer) { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_slice_buffer decompressed_slices_buffer; reader->buffer_in = buffer; switch (reader->buffer_in->type) { case GRPC_BB_RAW: grpc_slice_buffer_init(&decompressed_slices_buffer); if (is_compressed(reader->buffer_in)) { - if (grpc_msg_decompress(reader->buffer_in->data.raw.compression, + if (grpc_msg_decompress(&exec_ctx, + reader->buffer_in->data.raw.compression, &reader->buffer_in->data.raw.slice_buffer, &decompressed_slices_buffer) == 0) { gpr_log(GPR_ERROR, @@ -76,13 +79,15 @@ int grpc_byte_buffer_reader_init(grpc_byte_buffer_reader *reader, grpc_raw_byte_buffer_create(decompressed_slices_buffer.slices, decompressed_slices_buffer.count); } - grpc_slice_buffer_destroy(&decompressed_slices_buffer); + grpc_slice_buffer_destroy_internal(&exec_ctx, + &decompressed_slices_buffer); } else { /* not compressed, use the input buffer as output */ reader->buffer_out = reader->buffer_in; } reader->current.index = 0; break; } + grpc_exec_ctx_finish(&exec_ctx); return 1; } @@ -104,7 +109,8 @@ int grpc_byte_buffer_reader_next(grpc_byte_buffer_reader *reader, grpc_slice_buffer *slice_buffer; slice_buffer = &reader->buffer_out->data.raw.slice_buffer; if (reader->current.index < slice_buffer->count) { - *slice = grpc_slice_ref(slice_buffer->slices[reader->current.index]); + *slice = grpc_slice_ref_internal( + slice_buffer->slices[reader->current.index]); reader->current.index += 1; return 1; } @@ -121,12 +127,14 @@ grpc_slice grpc_byte_buffer_reader_readall(grpc_byte_buffer_reader *reader) { grpc_slice out_slice = grpc_slice_malloc(input_size); uint8_t *const outbuf = GRPC_SLICE_START_PTR(out_slice); /* just an alias */ + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; while (grpc_byte_buffer_reader_next(reader, &in_slice) != 0) { const size_t slice_length = GRPC_SLICE_LENGTH(in_slice); memcpy(&(outbuf[bytes_read]), GRPC_SLICE_START_PTR(in_slice), slice_length); bytes_read += slice_length; - grpc_slice_unref(in_slice); + grpc_slice_unref_internal(&exec_ctx, in_slice); GPR_ASSERT(bytes_read <= input_size); } + grpc_exec_ctx_finish(&exec_ctx); return out_slice; } diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index 1e0f3eeca5..899e8fab3f 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -49,6 +49,7 @@ #include "src/core/lib/compression/algorithm_metadata.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/surface/api_trace.h" @@ -226,12 +227,12 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack, static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, grpc_error *error); -grpc_error *grpc_call_create(const grpc_call_create_args *args, +grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, + const grpc_call_create_args *args, grpc_call **out_call) { size_t i, j; grpc_channel_stack *channel_stack = grpc_channel_get_channel_stack(args->channel); - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_call *call; GPR_TIMER_BEGIN("grpc_call_create", 0); call = gpr_malloc(sizeof(grpc_call) + channel_stack->call_stack_size); @@ -315,14 +316,14 @@ grpc_error *grpc_call_create(const grpc_call_create_args *args, GRPC_CHANNEL_INTERNAL_REF(args->channel, "call"); /* initial refcount dropped by grpc_call_destroy */ grpc_error *error = grpc_call_stack_init( - &exec_ctx, channel_stack, 1, destroy_call, call, call->context, + exec_ctx, channel_stack, 1, destroy_call, call, call->context, args->server_transport_data, path, call->start_time, send_deadline, CALL_STACK_FROM_CALL(call)); if (error != GRPC_ERROR_NONE) { grpc_status_code status; const char *error_str; grpc_error_get_status(error, &status, &error_str); - close_with_status(&exec_ctx, call, status, error_str); + close_with_status(exec_ctx, call, status, error_str); } if (args->cq != NULL) { GPR_ASSERT( @@ -338,12 +339,11 @@ grpc_error *grpc_call_create(const grpc_call_create_args *args, } if (!grpc_polling_entity_is_empty(&call->pollent)) { grpc_call_stack_set_pollset_or_pollset_set( - &exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); + exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); } - if (path != NULL) GRPC_MDSTR_UNREF(path); + if (path != NULL) GRPC_MDSTR_UNREF(exec_ctx, path); - grpc_exec_ctx_finish(&exec_ctx); GPR_TIMER_END("grpc_call_create", 0); return error; } @@ -404,7 +404,7 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, GPR_TIMER_BEGIN("destroy_call", 0); for (i = 0; i < 2; i++) { grpc_metadata_batch_destroy( - &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]); + exec_ctx, &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]); } if (c->receiving_stream != NULL) { grpc_byte_stream_destroy(exec_ctx, c->receiving_stream); @@ -412,11 +412,11 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, gpr_mu_destroy(&c->mu); for (i = 0; i < STATUS_SOURCE_COUNT; i++) { if (c->status[i].details) { - GRPC_MDSTR_UNREF(c->status[i].details); + GRPC_MDSTR_UNREF(exec_ctx, c->status[i].details); } } for (ii = 0; ii < c->send_extra_metadata_count; ii++) { - GRPC_MDELEM_UNREF(c->send_extra_metadata[ii].md); + GRPC_MDELEM_UNREF(exec_ctx, c->send_extra_metadata[ii].md); } for (i = 0; i < GRPC_CONTEXT_COUNT; i++) { if (c->context[i].destroy) { @@ -446,22 +446,22 @@ static void set_status_code(grpc_call *call, status_source source, call->status[source].code = (grpc_status_code)status; } -static void set_status_details(grpc_call *call, status_source source, - grpc_mdstr *status) { +static void set_status_details(grpc_exec_ctx *exec_ctx, grpc_call *call, + status_source source, grpc_mdstr *status) { if (call->status[source].details != NULL) { - GRPC_MDSTR_UNREF(status); + GRPC_MDSTR_UNREF(exec_ctx, status); } else { call->status[source].details = status; } } -static void set_status_from_error(grpc_call *call, status_source source, - grpc_error *error) { +static void set_status_from_error(grpc_exec_ctx *exec_ctx, grpc_call *call, + status_source source, grpc_error *error) { grpc_status_code status; const char *msg; grpc_error_get_status(error, &status, &msg); set_status_code(call, source, (uint32_t)status); - set_status_details(call, source, grpc_mdstr_from_string(msg)); + set_status_details(exec_ctx, call, source, grpc_mdstr_from_string(msg)); } static void set_incoming_compression_algorithm( @@ -495,7 +495,8 @@ uint32_t grpc_call_test_only_get_message_flags(grpc_call *call) { static void destroy_encodings_accepted_by_peer(void *p) { return; } -static void set_encodings_accepted_by_peer(grpc_call *call, grpc_mdelem *mdel) { +static void set_encodings_accepted_by_peer(grpc_exec_ctx *exec_ctx, + grpc_call *call, grpc_mdelem *mdel) { size_t i; grpc_compression_algorithm algorithm; grpc_slice_buffer accept_encoding_parts; @@ -535,7 +536,7 @@ static void set_encodings_accepted_by_peer(grpc_call *call, grpc_mdelem *mdel) { } } - grpc_slice_buffer_destroy(&accept_encoding_parts); + grpc_slice_buffer_destroy_internal(exec_ctx, &accept_encoding_parts); grpc_mdelem_set_user_data( mdel, destroy_encodings_accepted_by_peer, @@ -593,12 +594,10 @@ static grpc_metadata *get_md_elem(grpc_metadata *metadata, return res; } -static int prepare_application_metadata(grpc_call *call, int count, - grpc_metadata *metadata, - int is_trailing, - int prepend_extra_metadata, - grpc_metadata *additional_metadata, - int additional_metadata_count) { +static int prepare_application_metadata( + grpc_exec_ctx *exec_ctx, grpc_call *call, int count, + grpc_metadata *metadata, int is_trailing, int prepend_extra_metadata, + grpc_metadata *additional_metadata, int additional_metadata_count) { int total_count = count + additional_metadata_count; int i; grpc_metadata_batch *batch = @@ -609,7 +608,7 @@ static int prepare_application_metadata(grpc_call *call, int count, grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data)); l->md = grpc_mdelem_from_string_and_buffer( - md->key, (const uint8_t *)md->value, md->value_length); + exec_ctx, md->key, (const uint8_t *)md->value, md->value_length); if (!grpc_header_key_is_legal(grpc_mdstr_as_c_string(l->md->key), GRPC_MDSTR_LENGTH(l->md->key))) { gpr_log(GPR_ERROR, "attempt to send invalid metadata key: %s", @@ -629,7 +628,7 @@ static int prepare_application_metadata(grpc_call *call, int count, const grpc_metadata *md = get_md_elem(metadata, additional_metadata, j, count); grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data; - GRPC_MDELEM_UNREF(l->md); + GRPC_MDELEM_UNREF(exec_ctx, l->md); } return 0; } @@ -794,7 +793,8 @@ static void send_cancel(grpc_exec_ctx *exec_ctx, void *tcp, grpc_error *error) { memset(&tc->op, 0, sizeof(tc->op)); tc->op.cancel_error = tc->error; /* reuse closure to catch completion */ - grpc_closure_init(&tc->closure, done_termination, tc); + grpc_closure_init(&tc->closure, done_termination, tc, + grpc_schedule_on_exec_ctx); tc->op.on_complete = &tc->closure; execute_op(exec_ctx, tc->call, &tc->op); } @@ -804,23 +804,25 @@ static void send_close(grpc_exec_ctx *exec_ctx, void *tcp, grpc_error *error) { memset(&tc->op, 0, sizeof(tc->op)); tc->op.close_error = tc->error; /* reuse closure to catch completion */ - grpc_closure_init(&tc->closure, done_termination, tc); + grpc_closure_init(&tc->closure, done_termination, tc, + grpc_schedule_on_exec_ctx); tc->op.on_complete = &tc->closure; execute_op(exec_ctx, tc->call, &tc->op); } static grpc_call_error terminate_with_status(grpc_exec_ctx *exec_ctx, termination_closure *tc) { - set_status_from_error(tc->call, STATUS_FROM_API_OVERRIDE, tc->error); + set_status_from_error(exec_ctx, tc->call, STATUS_FROM_API_OVERRIDE, + tc->error); if (tc->type == TC_CANCEL) { - grpc_closure_init(&tc->closure, send_cancel, tc); + grpc_closure_init(&tc->closure, send_cancel, tc, grpc_schedule_on_exec_ctx); GRPC_CALL_INTERNAL_REF(tc->call, "cancel"); } else if (tc->type == TC_CLOSE) { - grpc_closure_init(&tc->closure, send_close, tc); + grpc_closure_init(&tc->closure, send_close, tc, grpc_schedule_on_exec_ctx); GRPC_CALL_INTERNAL_REF(tc->call, "close"); } - grpc_exec_ctx_sched(exec_ctx, &tc->closure, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &tc->closure, GRPC_ERROR_NONE); return GRPC_CALL_OK; } @@ -928,7 +930,8 @@ static grpc_compression_algorithm decode_compression(grpc_mdelem *md) { return algorithm; } -static grpc_mdelem *recv_common_filter(grpc_call *call, grpc_mdelem *elem) { +static grpc_mdelem *recv_common_filter(grpc_exec_ctx *exec_ctx, grpc_call *call, + grpc_mdelem *elem) { if (elem->key == GRPC_MDSTR_GRPC_STATUS) { GPR_TIMER_BEGIN("status", 0); set_status_code(call, STATUS_FROM_WIRE, decode_status(elem)); @@ -936,7 +939,8 @@ static grpc_mdelem *recv_common_filter(grpc_call *call, grpc_mdelem *elem) { return NULL; } else if (elem->key == GRPC_MDSTR_GRPC_MESSAGE) { GPR_TIMER_BEGIN("status-details", 0); - set_status_details(call, STATUS_FROM_WIRE, GRPC_MDSTR_REF(elem->value)); + set_status_details(exec_ctx, call, STATUS_FROM_WIRE, + GRPC_MDSTR_REF(elem->value)); GPR_TIMER_END("status-details", 0); return NULL; } @@ -962,9 +966,10 @@ static grpc_mdelem *publish_app_metadata(grpc_call *call, grpc_mdelem *elem, return elem; } -static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { - grpc_call *call = callp; - elem = recv_common_filter(call, elem); +static grpc_mdelem *recv_initial_filter(grpc_exec_ctx *exec_ctx, void *args, + grpc_mdelem *elem) { + grpc_call *call = args; + elem = recv_common_filter(exec_ctx, call, elem); if (elem == NULL) { return NULL; } else if (elem->key == GRPC_MDSTR_GRPC_ENCODING) { @@ -974,7 +979,7 @@ static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { return NULL; } else if (elem->key == GRPC_MDSTR_GRPC_ACCEPT_ENCODING) { GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0); - set_encodings_accepted_by_peer(call, elem); + set_encodings_accepted_by_peer(exec_ctx, call, elem); GPR_TIMER_END("encodings_accepted_by_peer", 0); return NULL; } else { @@ -982,9 +987,10 @@ static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) { } } -static grpc_mdelem *recv_trailing_filter(void *callp, grpc_mdelem *elem) { - grpc_call *call = callp; - elem = recv_common_filter(call, elem); +static grpc_mdelem *recv_trailing_filter(grpc_exec_ctx *exec_ctx, void *args, + grpc_mdelem *elem) { + grpc_call *call = args; + elem = recv_common_filter(exec_ctx, call, elem); if (elem == NULL) { return NULL; } else { @@ -1138,8 +1144,8 @@ static void process_data_after_md(grpc_exec_ctx *exec_ctx, } else { *call->receiving_buffer = grpc_raw_byte_buffer_create(NULL, 0); } - grpc_closure_init(&call->receiving_slice_ready, receiving_slice_ready, - bctl); + grpc_closure_init(&call->receiving_slice_ready, receiving_slice_ready, bctl, + grpc_schedule_on_exec_ctx); continue_receiving_slices(exec_ctx, bctl); } } @@ -1234,7 +1240,7 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, if (error == GRPC_ERROR_NONE) { grpc_metadata_batch *md = &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; - grpc_metadata_batch_filter(md, recv_initial_filter, call); + grpc_metadata_batch_filter(exec_ctx, md, recv_initial_filter, call); GPR_TIMER_BEGIN("validate_filtered_metadata", 0); validate_filtered_metadata(exec_ctx, bctl); @@ -1251,9 +1257,10 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, call->has_initial_md_been_received = true; if (call->saved_receiving_stream_ready_bctlp != NULL) { grpc_closure *saved_rsr_closure = grpc_closure_create( - receiving_stream_ready, call->saved_receiving_stream_ready_bctlp); + receiving_stream_ready, call->saved_receiving_stream_ready_bctlp, + grpc_schedule_on_exec_ctx); call->saved_receiving_stream_ready_bctlp = NULL; - grpc_exec_ctx_sched(exec_ctx, saved_rsr_closure, error, NULL); + grpc_closure_sched(exec_ctx, saved_rsr_closure, error); } gpr_mu_unlock(&call->mu); @@ -1278,14 +1285,15 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, intptr_t status; if (error != GRPC_ERROR_NONE && grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status)) { - set_status_from_error(call, STATUS_FROM_CORE, error); + set_status_from_error(exec_ctx, call, STATUS_FROM_CORE, error); } if (bctl->send_initial_metadata) { if (error != GRPC_ERROR_NONE) { - set_status_from_error(call, STATUS_FROM_CORE, error); + set_status_from_error(exec_ctx, call, STATUS_FROM_CORE, error); } grpc_metadata_batch_destroy( + exec_ctx, &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); } if (bctl->send_message) { @@ -1293,12 +1301,13 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, } if (bctl->send_final_op) { grpc_metadata_batch_destroy( + exec_ctx, &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]); } if (bctl->recv_final_op) { grpc_metadata_batch *md = &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */]; - grpc_metadata_batch_filter(md, recv_trailing_filter, call); + grpc_metadata_batch_filter(exec_ctx, md, recv_trailing_filter, call); call->received_final_op = true; /* propagate cancellation to any interested children */ @@ -1435,7 +1444,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, bctl->send_initial_metadata = 1; call->sent_initial_metadata = 1; if (!prepare_application_metadata( - call, (int)op->data.send_initial_metadata.count, + exec_ctx, call, (int)op->data.send_initial_metadata.count, op->data.send_initial_metadata.metadata, 0, call->is_client, &compression_md, (int)additional_metadata_count)) { error = GRPC_CALL_ERROR_INVALID_METADATA; @@ -1515,15 +1524,15 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, call->sent_final_op = 1; call->send_extra_metadata_count = 1; call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem( - call->channel, op->data.send_status_from_server.status); + exec_ctx, call->channel, op->data.send_status_from_server.status); if (op->data.send_status_from_server.status_details != NULL) { call->send_extra_metadata[1].md = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_MESSAGE, + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, grpc_mdstr_from_string( op->data.send_status_from_server.status_details)); call->send_extra_metadata_count++; set_status_details( - call, STATUS_FROM_API_OVERRIDE, + exec_ctx, call, STATUS_FROM_API_OVERRIDE, GRPC_MDSTR_REF(call->send_extra_metadata[1].md->value)); } if (op->data.send_status_from_server.status != GRPC_STATUS_OK) { @@ -1531,7 +1540,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, (uint32_t)op->data.send_status_from_server.status); } if (!prepare_application_metadata( - call, + exec_ctx, call, (int)op->data.send_status_from_server.trailing_metadata_count, op->data.send_status_from_server.trailing_metadata, 1, 1, NULL, 0)) { @@ -1551,10 +1560,15 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS; goto done_with_error; } + /* IF this is a server, then GRPC_OP_RECV_INITIAL_METADATA *must* come + from server.c. In that case, it's coming from accept_stream, and in + that case we're not necessarily covered by a poller. */ + stream_op->covered_by_poller = call->is_client; call->received_initial_metadata = 1; call->buffered_metadata[0] = op->data.recv_initial_metadata; grpc_closure_init(&call->receiving_initial_metadata_ready, - receiving_initial_metadata_ready, bctl); + receiving_initial_metadata_ready, bctl, + grpc_schedule_on_exec_ctx); bctl->recv_initial_metadata = 1; stream_op->recv_initial_metadata = &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */]; @@ -1577,7 +1591,7 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, call->receiving_buffer = op->data.recv_message; stream_op->recv_message = &call->receiving_stream; grpc_closure_init(&call->receiving_stream_ready, receiving_stream_ready, - bctl); + bctl, grpc_schedule_on_exec_ctx); stream_op->recv_message_ready = &call->receiving_stream_ready; num_completion_callbacks_needed++; break; @@ -1642,7 +1656,8 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx, gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed); stream_op->context = call->context; - grpc_closure_init(&bctl->finish_batch, finish_batch, bctl); + grpc_closure_init(&bctl->finish_batch, finish_batch, bctl, + grpc_schedule_on_exec_ctx); stream_op->on_complete = &bctl->finish_batch; gpr_mu_unlock(&call->mu); @@ -1656,7 +1671,7 @@ done_with_error: /* reverse any mutations that occured */ if (bctl->send_initial_metadata) { call->sent_initial_metadata = 0; - grpc_metadata_batch_clear(&call->metadata_batch[0][0]); + grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][0]); } if (bctl->send_message) { call->sending_message = 0; @@ -1664,7 +1679,7 @@ done_with_error: } if (bctl->send_final_op) { call->sent_final_op = 0; - grpc_metadata_batch_clear(&call->metadata_batch[0][1]); + grpc_metadata_batch_clear(exec_ctx, &call->metadata_batch[0][1]); } if (bctl->recv_initial_metadata) { call->received_initial_metadata = 0; diff --git a/src/core/lib/surface/call.h b/src/core/lib/surface/call.h index 18af41b7fb..233340c329 100644 --- a/src/core/lib/surface/call.h +++ b/src/core/lib/surface/call.h @@ -70,7 +70,8 @@ typedef struct grpc_call_create_args { /* Create a new call based on \a args. Regardless of success or failure, always returns a valid new call into *call */ -grpc_error *grpc_call_create(const grpc_call_create_args *args, +grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, + const grpc_call_create_args *args, grpc_call **call); void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call, diff --git a/src/core/lib/surface/channel.c b/src/core/lib/surface/channel.c index 1389df6886..b87295786e 100644 --- a/src/core/lib/surface/channel.c +++ b/src/core/lib/surface/channel.c @@ -86,87 +86,91 @@ grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target, const grpc_channel_args *input_args, grpc_channel_stack_type channel_stack_type, grpc_transport *optional_transport) { - bool is_client = grpc_channel_stack_type_is_client(channel_stack_type); - grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create(); - grpc_channel_stack_builder_set_channel_arguments(builder, input_args); + grpc_channel_stack_builder_set_channel_arguments(exec_ctx, builder, + input_args); grpc_channel_stack_builder_set_target(builder, target); grpc_channel_stack_builder_set_transport(builder, optional_transport); - grpc_channel *channel; - grpc_channel_args *args; if (!grpc_channel_init_create_stack(exec_ctx, builder, channel_stack_type)) { - grpc_channel_stack_builder_destroy(builder); + grpc_channel_stack_builder_destroy(exec_ctx, builder); return NULL; - } else { - args = grpc_channel_args_copy( - grpc_channel_stack_builder_get_channel_arguments(builder)); - channel = grpc_channel_stack_builder_finish( - exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL); + } + grpc_channel_args *args = grpc_channel_args_copy( + grpc_channel_stack_builder_get_channel_arguments(builder)); + grpc_channel *channel; + grpc_error *error = grpc_channel_stack_builder_finish( + exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL, + (void **)&channel); + if (error != GRPC_ERROR_NONE) { + const char *msg = grpc_error_string(error); + gpr_log(GPR_ERROR, "channel stack builder failed: %s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(error); + goto done; } memset(channel, 0, sizeof(*channel)); channel->target = gpr_strdup(target); - channel->is_client = is_client; + channel->is_client = grpc_channel_stack_type_is_client(channel_stack_type); gpr_mu_init(&channel->registered_call_mu); channel->registered_calls = NULL; grpc_compression_options_init(&channel->compression_options); - if (args) { - for (size_t i = 0; i < args->num_args; i++) { - if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY)) { - if (args->args[i].type != GRPC_ARG_STRING) { - gpr_log(GPR_ERROR, "%s ignored: it must be a string", - GRPC_ARG_DEFAULT_AUTHORITY); - } else { - if (channel->default_authority) { - /* setting this takes precedence over anything else */ - GRPC_MDELEM_UNREF(channel->default_authority); - } - channel->default_authority = grpc_mdelem_from_strings( - ":authority", args->args[i].value.string); + + for (size_t i = 0; i < args->num_args; i++) { + if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY)) { + if (args->args[i].type != GRPC_ARG_STRING) { + gpr_log(GPR_ERROR, "%s ignored: it must be a string", + GRPC_ARG_DEFAULT_AUTHORITY); + } else { + if (channel->default_authority) { + /* setting this takes precedence over anything else */ + GRPC_MDELEM_UNREF(exec_ctx, channel->default_authority); } - } else if (0 == - strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) { - if (args->args[i].type != GRPC_ARG_STRING) { - gpr_log(GPR_ERROR, "%s ignored: it must be a string", + channel->default_authority = grpc_mdelem_from_strings( + exec_ctx, ":authority", args->args[i].value.string); + } + } else if (0 == + strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) { + if (args->args[i].type != GRPC_ARG_STRING) { + gpr_log(GPR_ERROR, "%s ignored: it must be a string", + GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); + } else { + if (channel->default_authority) { + /* other ways of setting this (notably ssl) take precedence */ + gpr_log(GPR_ERROR, + "%s ignored: default host already set some other way", GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); } else { - if (channel->default_authority) { - /* other ways of setting this (notably ssl) take precedence */ - gpr_log(GPR_ERROR, - "%s ignored: default host already set some other way", - GRPC_SSL_TARGET_NAME_OVERRIDE_ARG); - } else { - channel->default_authority = grpc_mdelem_from_strings( - ":authority", args->args[i].value.string); - } + channel->default_authority = grpc_mdelem_from_strings( + exec_ctx, ":authority", args->args[i].value.string); } - } else if (0 == strcmp(args->args[i].key, - GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL)) { - channel->compression_options.default_level.is_set = true; - GPR_ASSERT(args->args[i].value.integer >= 0 && - args->args[i].value.integer < GRPC_COMPRESS_LEVEL_COUNT); - channel->compression_options.default_level.level = - (grpc_compression_level)args->args[i].value.integer; - } else if (0 == strcmp(args->args[i].key, - GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM)) { - channel->compression_options.default_algorithm.is_set = true; - GPR_ASSERT(args->args[i].value.integer >= 0 && - args->args[i].value.integer < - GRPC_COMPRESS_ALGORITHMS_COUNT); - channel->compression_options.default_algorithm.algorithm = - (grpc_compression_algorithm)args->args[i].value.integer; - } else if (0 == - strcmp(args->args[i].key, - GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) { - channel->compression_options.enabled_algorithms_bitset = - (uint32_t)args->args[i].value.integer | - 0x1; /* always support no compression */ } + } else if (0 == strcmp(args->args[i].key, + GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL)) { + channel->compression_options.default_level.is_set = true; + GPR_ASSERT(args->args[i].value.integer >= 0 && + args->args[i].value.integer < GRPC_COMPRESS_LEVEL_COUNT); + channel->compression_options.default_level.level = + (grpc_compression_level)args->args[i].value.integer; + } else if (0 == strcmp(args->args[i].key, + GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM)) { + channel->compression_options.default_algorithm.is_set = true; + GPR_ASSERT(args->args[i].value.integer >= 0 && + args->args[i].value.integer < GRPC_COMPRESS_ALGORITHMS_COUNT); + channel->compression_options.default_algorithm.algorithm = + (grpc_compression_algorithm)args->args[i].value.integer; + } else if (0 == + strcmp(args->args[i].key, + GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET)) { + channel->compression_options.enabled_algorithms_bitset = + (uint32_t)args->args[i].value.integer | + 0x1; /* always support no compression */ } - grpc_channel_args_destroy(args); } +done: + grpc_channel_args_destroy(exec_ctx, args); return channel; } @@ -185,10 +189,10 @@ void grpc_channel_get_info(grpc_channel *channel, } static grpc_call *grpc_channel_create_call_internal( - grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, - grpc_completion_queue *cq, grpc_pollset_set *pollset_set_alternative, - grpc_mdelem *path_mdelem, grpc_mdelem *authority_mdelem, - gpr_timespec deadline) { + grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call, + uint32_t propagation_mask, grpc_completion_queue *cq, + grpc_pollset_set *pollset_set_alternative, grpc_mdelem *path_mdelem, + grpc_mdelem *authority_mdelem, gpr_timespec deadline) { grpc_mdelem *send_metadata[2]; size_t num_metadata = 0; @@ -215,7 +219,7 @@ static grpc_call *grpc_channel_create_call_internal( args.send_deadline = deadline; grpc_call *call; - GRPC_LOG_IF_ERROR("call_create", grpc_call_create(&args, &call)); + GRPC_LOG_IF_ERROR("call_create", grpc_call_create(exec_ctx, &args, &call)); return call; } @@ -236,26 +240,30 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel, (channel, parent_call, (unsigned)propagation_mask, cq, method, host, deadline.tv_sec, deadline.tv_nsec, (int)deadline.clock_type, reserved)); GPR_ASSERT(!reserved); - return grpc_channel_create_call_internal( - channel, parent_call, propagation_mask, cq, NULL, - grpc_mdelem_from_metadata_strings(GRPC_MDSTR_PATH, + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_call *call = grpc_channel_create_call_internal( + &exec_ctx, channel, parent_call, propagation_mask, cq, NULL, + grpc_mdelem_from_metadata_strings(&exec_ctx, GRPC_MDSTR_PATH, grpc_mdstr_from_string(method)), - host ? grpc_mdelem_from_metadata_strings(GRPC_MDSTR_AUTHORITY, + host ? grpc_mdelem_from_metadata_strings(&exec_ctx, GRPC_MDSTR_AUTHORITY, grpc_mdstr_from_string(host)) : NULL, deadline); + grpc_exec_ctx_finish(&exec_ctx); + return call; } grpc_call *grpc_channel_create_pollset_set_call( - grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, - grpc_pollset_set *pollset_set, const char *method, const char *host, - gpr_timespec deadline, void *reserved) { + grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call, + uint32_t propagation_mask, grpc_pollset_set *pollset_set, + const char *method, const char *host, gpr_timespec deadline, + void *reserved) { GPR_ASSERT(!reserved); return grpc_channel_create_call_internal( - channel, parent_call, propagation_mask, NULL, pollset_set, - grpc_mdelem_from_metadata_strings(GRPC_MDSTR_PATH, + exec_ctx, channel, parent_call, propagation_mask, NULL, pollset_set, + grpc_mdelem_from_metadata_strings(exec_ctx, GRPC_MDSTR_PATH, grpc_mdstr_from_string(method)), - host ? grpc_mdelem_from_metadata_strings(GRPC_MDSTR_AUTHORITY, + host ? grpc_mdelem_from_metadata_strings(exec_ctx, GRPC_MDSTR_AUTHORITY, grpc_mdstr_from_string(host)) : NULL, deadline); @@ -268,15 +276,18 @@ void *grpc_channel_register_call(grpc_channel *channel, const char *method, "grpc_channel_register_call(channel=%p, method=%s, host=%s, reserved=%p)", 4, (channel, method, host, reserved)); GPR_ASSERT(!reserved); - rc->path = grpc_mdelem_from_metadata_strings(GRPC_MDSTR_PATH, + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + rc->path = grpc_mdelem_from_metadata_strings(&exec_ctx, GRPC_MDSTR_PATH, grpc_mdstr_from_string(method)); - rc->authority = host ? grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_AUTHORITY, grpc_mdstr_from_string(host)) - : NULL; + rc->authority = + host ? grpc_mdelem_from_metadata_strings(&exec_ctx, GRPC_MDSTR_AUTHORITY, + grpc_mdstr_from_string(host)) + : NULL; gpr_mu_lock(&channel->registered_call_mu); rc->next = channel->registered_calls; channel->registered_calls = rc; gpr_mu_unlock(&channel->registered_call_mu); + grpc_exec_ctx_finish(&exec_ctx); return rc; } @@ -296,10 +307,13 @@ grpc_call *grpc_channel_create_registered_call( registered_call_handle, deadline.tv_sec, deadline.tv_nsec, (int)deadline.clock_type, reserved)); GPR_ASSERT(!reserved); - return grpc_channel_create_call_internal( - channel, parent_call, propagation_mask, completion_queue, NULL, + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + grpc_call *call = grpc_channel_create_call_internal( + &exec_ctx, channel, parent_call, propagation_mask, completion_queue, NULL, GRPC_MDELEM_REF(rc->path), rc->authority ? GRPC_MDELEM_REF(rc->authority) : NULL, deadline); + grpc_exec_ctx_finish(&exec_ctx); + return call; } #ifdef GRPC_STREAM_REFCOUNT_DEBUG @@ -325,14 +339,14 @@ static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, while (channel->registered_calls) { registered_call *rc = channel->registered_calls; channel->registered_calls = rc->next; - GRPC_MDELEM_UNREF(rc->path); + GRPC_MDELEM_UNREF(exec_ctx, rc->path); if (rc->authority) { - GRPC_MDELEM_UNREF(rc->authority); + GRPC_MDELEM_UNREF(exec_ctx, rc->authority); } gpr_free(rc); } if (channel->default_authority != NULL) { - GRPC_MDELEM_UNREF(channel->default_authority); + GRPC_MDELEM_UNREF(exec_ctx, channel->default_authority); } gpr_mu_destroy(&channel->registered_call_mu); gpr_free(channel->target); @@ -362,7 +376,8 @@ grpc_compression_options grpc_channel_compression_options( return channel->compression_options; } -grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, int i) { +grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_exec_ctx *exec_ctx, + grpc_channel *channel, int i) { char tmp[GPR_LTOA_MIN_BUFSIZE]; switch (i) { case 0: @@ -373,6 +388,6 @@ grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, int i) { return GRPC_MDELEM_GRPC_STATUS_2; } gpr_ltoa(i, tmp); - return grpc_mdelem_from_metadata_strings(GRPC_MDSTR_GRPC_STATUS, + return grpc_mdelem_from_metadata_strings(exec_ctx, GRPC_MDSTR_GRPC_STATUS, grpc_mdstr_from_string(tmp)); } diff --git a/src/core/lib/surface/channel.h b/src/core/lib/surface/channel.h index 23cc8656ca..2ebadb7a15 100644 --- a/src/core/lib/surface/channel.h +++ b/src/core/lib/surface/channel.h @@ -51,9 +51,10 @@ grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target, properties from the server call to this new client call, depending on the value of \a propagation_mask (see propagation_bits.h for possible values) */ grpc_call *grpc_channel_create_pollset_set_call( - grpc_channel *channel, grpc_call *parent_call, uint32_t propagation_mask, - grpc_pollset_set *pollset_set, const char *method, const char *host, - gpr_timespec deadline, void *reserved); + grpc_exec_ctx *exec_ctx, grpc_channel *channel, grpc_call *parent_call, + uint32_t propagation_mask, grpc_pollset_set *pollset_set, + const char *method, const char *host, gpr_timespec deadline, + void *reserved); /** Get a (borrowed) pointer to this channels underlying channel stack */ grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel); @@ -62,7 +63,8 @@ grpc_channel_stack *grpc_channel_get_channel_stack(grpc_channel *channel); status_code. The returned elem is owned by the caller. */ -grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_channel *channel, +grpc_mdelem *grpc_channel_get_reffed_status_elem(grpc_exec_ctx *exec_ctx, + grpc_channel *channel, int status_code); #ifdef GRPC_STREAM_REFCOUNT_DEBUG diff --git a/src/core/lib/surface/channel_init.c b/src/core/lib/surface/channel_init.c index 0627b34479..7acb444d9b 100644 --- a/src/core/lib/surface/channel_init.c +++ b/src/core/lib/surface/channel_init.c @@ -131,7 +131,7 @@ bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx, for (size_t i = 0; i < g_slots[type].num_slots; i++) { const stage_slot *slot = &g_slots[type].slots[i]; - if (!slot->fn(builder, slot->arg)) { + if (!slot->fn(exec_ctx, builder, slot->arg)) { return false; } } diff --git a/src/core/lib/surface/channel_init.h b/src/core/lib/surface/channel_init.h index b53f2aefb9..411f5eae18 100644 --- a/src/core/lib/surface/channel_init.h +++ b/src/core/lib/surface/channel_init.h @@ -51,7 +51,8 @@ extern "C" { /// One stage of mutation: call functions against \a builder to influence the /// finally constructed channel stack -typedef bool (*grpc_channel_init_stage)(grpc_channel_stack_builder *builder, +typedef bool (*grpc_channel_init_stage)(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg); /// Global initialization of the system diff --git a/src/core/lib/surface/channel_ping.c b/src/core/lib/surface/channel_ping.c index 0d2f01a649..e68febdddf 100644 --- a/src/core/lib/surface/channel_ping.c +++ b/src/core/lib/surface/channel_ping.c @@ -71,7 +71,7 @@ void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq, GPR_ASSERT(reserved == NULL); pr->tag = tag; pr->cq = cq; - grpc_closure_init(&pr->closure, ping_done, pr); + grpc_closure_init(&pr->closure, ping_done, pr, grpc_schedule_on_exec_ctx); op->send_ping = &pr->closure; op->bind_pollset = grpc_cq_pollset(cq); grpc_cq_begin_op(cq, tag); diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c index 4e0feb56ac..4613c9021e 100644 --- a/src/core/lib/surface/completion_queue.c +++ b/src/core/lib/surface/completion_queue.c @@ -168,7 +168,8 @@ grpc_completion_queue *grpc_completion_queue_create(void *reserved) { #ifndef NDEBUG cc->outstanding_tag_count = 0; #endif - grpc_closure_init(&cc->pollset_shutdown_done, on_pollset_shutdown_done, cc); + grpc_closure_init(&cc->pollset_shutdown_done, on_pollset_shutdown_done, cc, + grpc_schedule_on_exec_ctx); GPR_TIMER_END("grpc_completion_queue_create", 0); @@ -354,11 +355,13 @@ static void dump_pending_tags(grpc_completion_queue *cc) { gpr_strvec v; gpr_strvec_init(&v); gpr_strvec_add(&v, gpr_strdup("PENDING TAGS:")); + gpr_mu_lock(cc->mu); for (size_t i = 0; i < cc->outstanding_tag_count; i++) { char *s; gpr_asprintf(&s, " %p", cc->outstanding_tags[i]); gpr_strvec_add(&v, s); } + gpr_mu_unlock(cc->mu); char *out = gpr_strvec_flatten(&v, NULL); gpr_strvec_destroy(&v); gpr_log(GPR_DEBUG, "%s", out); diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c index 7903f57a68..f61bf1582e 100644 --- a/src/core/lib/surface/init.c +++ b/src/core/lib/surface/init.c @@ -44,6 +44,7 @@ #include "src/core/lib/channel/compress_filter.h" #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/channel/deadline_filter.h" +#include "src/core/lib/channel/handshaker_registry.h" #include "src/core/lib/channel/http_client_filter.h" #include "src/core/lib/channel/http_server_filter.h" #include "src/core/lib/channel/message_size_filter.h" @@ -80,17 +81,20 @@ static void do_basic_init(void) { g_initializations = 0; } -static bool append_filter(grpc_channel_stack_builder *builder, void *arg) { +static bool append_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { return grpc_channel_stack_builder_append_filter( builder, (const grpc_channel_filter *)arg, NULL, NULL); } -static bool prepend_filter(grpc_channel_stack_builder *builder, void *arg) { +static bool prepend_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { return grpc_channel_stack_builder_prepend_filter( builder, (const grpc_channel_filter *)arg, NULL, NULL); } -static bool maybe_add_http_filter(grpc_channel_stack_builder *builder, +static bool maybe_add_http_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, void *arg) { grpc_transport *t = grpc_channel_stack_builder_get_transport(builder); if (t && strstr(t->vtable->name, "http")) { @@ -201,6 +205,8 @@ void grpc_init(void) { grpc_executor_init(); gpr_timers_global_init(); grpc_cq_global_init(); + grpc_handshaker_factory_registry_init(); + grpc_security_init(); for (i = 0; i < g_number_of_plugins; i++) { if (g_all_of_the_plugins[i].init != NULL) { g_all_of_the_plugins[i].init(); @@ -221,11 +227,12 @@ void grpc_init(void) { void grpc_shutdown(void) { int i; GRPC_API_TRACE("grpc_shutdown(void)", 0, ()); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; gpr_mu_lock(&g_init_mu); if (--g_initializations == 0) { - grpc_executor_shutdown(); + grpc_executor_shutdown(&exec_ctx); grpc_cq_global_shutdown(); - grpc_iomgr_shutdown(); + grpc_iomgr_shutdown(&exec_ctx); gpr_timers_global_destroy(); grpc_tracer_shutdown(); for (i = g_number_of_plugins; i >= 0; i--) { @@ -233,9 +240,11 @@ void grpc_shutdown(void) { g_all_of_the_plugins[i].destroy(); } } - grpc_mdctx_global_shutdown(); + grpc_mdctx_global_shutdown(&exec_ctx); + grpc_handshaker_factory_registry_shutdown(&exec_ctx); } gpr_mu_unlock(&g_init_mu); + grpc_exec_ctx_finish(&exec_ctx); } int grpc_is_initialized(void) { diff --git a/src/core/lib/surface/init.h b/src/core/lib/surface/init.h index b1bf57c10d..3d1c528be0 100644 --- a/src/core/lib/surface/init.h +++ b/src/core/lib/surface/init.h @@ -36,6 +36,7 @@ void grpc_register_security_filters(void); void grpc_security_pre_init(void); +void grpc_security_init(void); int grpc_is_initialized(void); #endif /* GRPC_CORE_LIB_SURFACE_INIT_H */ diff --git a/src/core/lib/surface/init_secure.c b/src/core/lib/surface/init_secure.c index 7ee7b51568..a44407d3bb 100644 --- a/src/core/lib/surface/init_secure.c +++ b/src/core/lib/surface/init_secure.c @@ -41,6 +41,7 @@ #include "src/core/lib/security/transport/auth_filters.h" #include "src/core/lib/security/transport/secure_endpoint.h" #include "src/core/lib/security/transport/security_connector.h" +#include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/surface/channel_init.h" #include "src/core/lib/tsi/transport_security_interface.h" @@ -50,7 +51,7 @@ void grpc_security_pre_init(void) { } static bool maybe_prepend_client_auth_filter( - grpc_channel_stack_builder *builder, void *arg) { + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, void *arg) { const grpc_channel_args *args = grpc_channel_stack_builder_get_channel_arguments(builder); if (args) { @@ -65,7 +66,7 @@ static bool maybe_prepend_client_auth_filter( } static bool maybe_prepend_server_auth_filter( - grpc_channel_stack_builder *builder, void *arg) { + grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, void *arg) { const grpc_channel_args *args = grpc_channel_stack_builder_get_channel_arguments(builder); if (args) { @@ -87,3 +88,5 @@ void grpc_register_security_filters(void) { grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, maybe_prepend_server_auth_filter, NULL); } + +void grpc_security_init() { grpc_security_register_handshaker_factories(); } diff --git a/src/core/lib/surface/init_unsecure.c b/src/core/lib/surface/init_unsecure.c index f952739e0a..dbc9223ae0 100644 --- a/src/core/lib/surface/init_unsecure.c +++ b/src/core/lib/surface/init_unsecure.c @@ -36,3 +36,5 @@ void grpc_security_pre_init(void) {} void grpc_register_security_filters(void) {} + +void grpc_security_init(void) {} diff --git a/src/core/lib/surface/lame_client.c b/src/core/lib/surface/lame_client.c index d0df8e7e17..ae1eac09a9 100644 --- a/src/core/lib/surface/lame_client.c +++ b/src/core/lib/surface/lame_client.c @@ -55,14 +55,15 @@ typedef struct { const char *error_message; } channel_data; -static void fill_metadata(grpc_call_element *elem, grpc_metadata_batch *mdb) { +static void fill_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_metadata_batch *mdb) { call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; char tmp[GPR_LTOA_MIN_BUFSIZE]; gpr_ltoa(chand->error_code, tmp); - calld->status.md = grpc_mdelem_from_strings("grpc-status", tmp); + calld->status.md = grpc_mdelem_from_strings(exec_ctx, "grpc-status", tmp); calld->details.md = - grpc_mdelem_from_strings("grpc-message", chand->error_message); + grpc_mdelem_from_strings(exec_ctx, "grpc-message", chand->error_message); calld->status.prev = calld->details.next = NULL; calld->status.next = &calld->details; calld->details.prev = &calld->status; @@ -76,9 +77,9 @@ static void lame_start_transport_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op) { GRPC_CALL_LOG_OP(GPR_INFO, elem, op); if (op->recv_initial_metadata != NULL) { - fill_metadata(elem, op->recv_initial_metadata); + fill_metadata(exec_ctx, elem, op->recv_initial_metadata); } else if (op->recv_trailing_metadata != NULL) { - fill_metadata(elem, op->recv_trailing_metadata); + fill_metadata(exec_ctx, elem, op->recv_trailing_metadata); } grpc_transport_stream_op_finish_with_failure( exec_ctx, op, GRPC_ERROR_CREATE("lame client channel")); @@ -98,16 +99,16 @@ static void lame_start_transport_op(grpc_exec_ctx *exec_ctx, if (op->on_connectivity_state_change) { GPR_ASSERT(*op->connectivity_state != GRPC_CHANNEL_SHUTDOWN); *op->connectivity_state = GRPC_CHANNEL_SHUTDOWN; - grpc_exec_ctx_sched(exec_ctx, op->on_connectivity_state_change, - GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, op->on_connectivity_state_change, + GRPC_ERROR_NONE); } if (op->send_ping != NULL) { - grpc_exec_ctx_sched(exec_ctx, op->send_ping, - GRPC_ERROR_CREATE("lame client channel"), NULL); + grpc_closure_sched(exec_ctx, op->send_ping, + GRPC_ERROR_CREATE("lame client channel")); } GRPC_ERROR_UNREF(op->disconnect_with_error); if (op->on_consumed != NULL) { - grpc_exec_ctx_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE); } } @@ -123,11 +124,12 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, gpr_free(and_free_memory); } -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { GPR_ASSERT(args->is_first); GPR_ASSERT(args->is_last); + return GRPC_ERROR_NONE; } static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index fe73aa375c..addb7c4fbc 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -45,6 +45,7 @@ #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/iomgr/iomgr.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/stack_lockfree.h" #include "src/core/lib/support/string.h" #include "src/core/lib/surface/api_trace.h" @@ -271,14 +272,15 @@ struct shutdown_cleanup_args { static void shutdown_cleanup(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { struct shutdown_cleanup_args *a = arg; - grpc_slice_unref(a->slice); + grpc_slice_unref_internal(exec_ctx, a->slice); gpr_free(a); } static void send_shutdown(grpc_exec_ctx *exec_ctx, grpc_channel *channel, int send_goaway, grpc_error *send_disconnect) { struct shutdown_cleanup_args *sc = gpr_malloc(sizeof(*sc)); - grpc_closure_init(&sc->closure, shutdown_cleanup, sc); + grpc_closure_init(&sc->closure, shutdown_cleanup, sc, + grpc_schedule_on_exec_ctx); grpc_transport_op *op = grpc_make_transport_op(&sc->closure); grpc_channel_element *elem; @@ -346,9 +348,9 @@ static void request_matcher_zombify_all_pending_calls(grpc_exec_ctx *exec_ctx, gpr_mu_unlock(&calld->mu_state); grpc_closure_init( &calld->kill_zombie_closure, kill_zombie, - grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0)); - grpc_exec_ctx_sched(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE, - NULL); + grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE); } } @@ -379,7 +381,7 @@ static void server_ref(grpc_server *server) { static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) { registered_method *rm; size_t i; - grpc_channel_args_destroy(server->channel_args); + grpc_channel_args_destroy(exec_ctx, server->channel_args); gpr_mu_destroy(&server->mu_global); gpr_mu_destroy(&server->mu_call); while ((rm = server->registered_methods) != NULL) { @@ -440,8 +442,8 @@ static void destroy_channel(grpc_exec_ctx *exec_ctx, channel_data *chand, orphan_channel(chand); server_ref(chand->server); maybe_finish_shutdown(exec_ctx, chand->server); - chand->finish_destroy_channel_closure.cb = finish_destroy_channel; - chand->finish_destroy_channel_closure.cb_arg = chand; + grpc_closure_init(&chand->finish_destroy_channel_closure, + finish_destroy_channel, chand, grpc_schedule_on_exec_ctx); if (grpc_server_channel_trace && error != GRPC_ERROR_NONE) { const char *msg = grpc_error_string(error); @@ -545,8 +547,9 @@ static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *arg, gpr_mu_unlock(&calld->mu_state); grpc_closure_init( &calld->kill_zombie_closure, kill_zombie, - grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0)); - grpc_exec_ctx_sched(exec_ctx, &calld->kill_zombie_closure, error, NULL); + grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &calld->kill_zombie_closure, error); return; } @@ -590,9 +593,9 @@ static void finish_start_new_rpc( gpr_mu_lock(&calld->mu_state); calld->state = ZOMBIED; gpr_mu_unlock(&calld->mu_state); - grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem); - grpc_exec_ctx_sched(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE, - NULL); + grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &calld->kill_zombie_closure, GRPC_ERROR_NONE); return; } @@ -607,7 +610,8 @@ static void finish_start_new_rpc( memset(&op, 0, sizeof(op)); op.op = GRPC_OP_RECV_MESSAGE; op.data.recv_message = &calld->payload; - grpc_closure_init(&calld->publish, publish_new_rpc, elem); + grpc_closure_init(&calld->publish, publish_new_rpc, elem, + grpc_schedule_on_exec_ctx); grpc_call_start_batch_and_execute(exec_ctx, calld->call, &op, 1, &calld->publish); break; @@ -740,7 +744,8 @@ static void maybe_finish_shutdown(grpc_exec_ctx *exec_ctx, } } -static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) { +static grpc_mdelem *server_filter(grpc_exec_ctx *exec_ctx, void *user_data, + grpc_mdelem *md) { grpc_call_element *elem = user_data; call_data *calld = elem->call_data; if (md->key == GRPC_MDSTR_PATH) { @@ -764,7 +769,8 @@ static void server_on_recv_initial_metadata(grpc_exec_ctx *exec_ctx, void *ptr, gpr_timespec op_deadline; GRPC_ERROR_REF(error); - grpc_metadata_batch_filter(calld->recv_initial_metadata, server_filter, elem); + grpc_metadata_batch_filter(exec_ctx, calld->recv_initial_metadata, + server_filter, elem); op_deadline = calld->recv_initial_metadata->deadline; if (0 != gpr_time_cmp(op_deadline, gpr_inf_future(op_deadline.clock_type))) { calld->deadline = op_deadline; @@ -813,9 +819,10 @@ static void got_initial_metadata(grpc_exec_ctx *exec_ctx, void *ptr, if (calld->state == NOT_STARTED) { calld->state = ZOMBIED; gpr_mu_unlock(&calld->mu_state); - grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem); - grpc_exec_ctx_sched(exec_ctx, &calld->kill_zombie_closure, - GRPC_ERROR_NONE, NULL); + grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem, + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &calld->kill_zombie_closure, + GRPC_ERROR_NONE); } else if (calld->state == PENDING) { calld->state = ZOMBIED; gpr_mu_unlock(&calld->mu_state); @@ -838,7 +845,7 @@ static void accept_stream(grpc_exec_ctx *exec_ctx, void *cd, args.server_transport_data = transport_server_data; args.send_deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); grpc_call *call; - grpc_error *error = grpc_call_create(&args, &call); + grpc_error *error = grpc_call_create(exec_ctx, &args, &call); grpc_call_element *elem = grpc_call_stack_element(grpc_call_get_call_stack(call), 0); if (error != GRPC_ERROR_NONE) { @@ -851,7 +858,8 @@ static void accept_stream(grpc_exec_ctx *exec_ctx, void *cd, memset(&op, 0, sizeof(op)); op.op = GRPC_OP_RECV_INITIAL_METADATA; op.data.recv_initial_metadata = &calld->initial_metadata; - grpc_closure_init(&calld->got_initial_metadata, got_initial_metadata, elem); + grpc_closure_init(&calld->got_initial_metadata, got_initial_metadata, elem, + grpc_schedule_on_exec_ctx); grpc_call_start_batch_and_execute(exec_ctx, call, &op, 1, &calld->got_initial_metadata); } @@ -887,7 +895,8 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, gpr_mu_init(&calld->mu_state); grpc_closure_init(&calld->server_on_recv_initial_metadata, - server_on_recv_initial_metadata, elem); + server_on_recv_initial_metadata, elem, + grpc_schedule_on_exec_ctx); server_ref(chand->server); return GRPC_ERROR_NONE; @@ -902,10 +911,10 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, GPR_ASSERT(calld->state != PENDING); if (calld->host) { - GRPC_MDSTR_UNREF(calld->host); + GRPC_MDSTR_UNREF(exec_ctx, calld->host); } if (calld->path) { - GRPC_MDSTR_UNREF(calld->path); + GRPC_MDSTR_UNREF(exec_ctx, calld->path); } grpc_metadata_array_destroy(&calld->initial_metadata); @@ -914,9 +923,9 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, server_unref(exec_ctx, chand->server); } -static void init_channel_elem(grpc_exec_ctx *exec_ctx, - grpc_channel_element *elem, - grpc_channel_element_args *args) { +static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { channel_data *chand = elem->channel_data; GPR_ASSERT(args->is_first); GPR_ASSERT(!args->is_last); @@ -926,7 +935,9 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx, chand->registered_methods = NULL; chand->connectivity_state = GRPC_CHANNEL_IDLE; grpc_closure_init(&chand->channel_connectivity_changed, - channel_connectivity_changed, chand); + channel_connectivity_changed, chand, + grpc_schedule_on_exec_ctx); + return GRPC_ERROR_NONE; } static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, @@ -936,10 +947,10 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, if (chand->registered_methods) { for (i = 0; i < chand->registered_method_slots; i++) { if (chand->registered_methods[i].method) { - GRPC_MDSTR_UNREF(chand->registered_methods[i].method); + GRPC_MDSTR_UNREF(exec_ctx, chand->registered_methods[i].method); } if (chand->registered_methods[i].host) { - GRPC_MDSTR_UNREF(chand->registered_methods[i].host); + GRPC_MDSTR_UNREF(exec_ctx, chand->registered_methods[i].host); } } gpr_free(chand->registered_methods); @@ -1277,7 +1288,8 @@ void grpc_server_shutdown_and_notify(grpc_server *server, /* Shutdown listeners */ for (l = server->listeners; l; l = l->next) { - grpc_closure_init(&l->destroy_done, listener_destroy_done, server); + grpc_closure_init(&l->destroy_done, listener_destroy_done, server, + grpc_schedule_on_exec_ctx); l->destroy(&exec_ctx, server, l->arg, &l->destroy_done); } @@ -1383,9 +1395,10 @@ static grpc_call_error queue_call_request(grpc_exec_ctx *exec_ctx, gpr_mu_unlock(&calld->mu_state); grpc_closure_init( &calld->kill_zombie_closure, kill_zombie, - grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0)); - grpc_exec_ctx_sched(exec_ctx, &calld->kill_zombie_closure, - GRPC_ERROR_NONE, NULL); + grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0), + grpc_schedule_on_exec_ctx); + grpc_closure_sched(exec_ctx, &calld->kill_zombie_closure, + GRPC_ERROR_NONE); } else { GPR_ASSERT(calld->state == PENDING); calld->state = ACTIVATED; diff --git a/src/core/lib/surface/validate_metadata.c b/src/core/lib/surface/validate_metadata.c index 84f0a083bc..f49dd8584b 100644 --- a/src/core/lib/surface/validate_metadata.c +++ b/src/core/lib/surface/validate_metadata.c @@ -53,7 +53,7 @@ int grpc_header_key_is_legal(const char *key, size_t length) { 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0xff, 0x03, 0x00, 0x00, 0x00, 0x80, 0xfe, 0xff, 0xff, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - if (length == 0) { + if (length == 0 || key[0] == ':') { return 0; } return conforms_to(key, length, legal_header_bits); diff --git a/src/core/lib/transport/README.md b/src/core/lib/transport/README.md new file mode 100644 index 0000000000..e7e135edeb --- /dev/null +++ b/src/core/lib/transport/README.md @@ -0,0 +1,7 @@ +# Transport + +Common implementation details for gRPC Transports. + +Transports multiplex messages across some single connection. In ext/ there are +implementations atop [a custom http2 implementation](/src/core/ext/transport/chttp2/README.md) +and atop [cronet](/src/core/ext/transport/cronet/README.md). diff --git a/src/core/lib/transport/byte_stream.c b/src/core/lib/transport/byte_stream.c index 2f1d7b7c60..4d4206189e 100644 --- a/src/core/lib/transport/byte_stream.c +++ b/src/core/lib/transport/byte_stream.c @@ -37,6 +37,8 @@ #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" + int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream, grpc_slice *slice, size_t max_size_hint, grpc_closure *on_complete) { @@ -57,7 +59,8 @@ static int slice_buffer_stream_next(grpc_exec_ctx *exec_ctx, grpc_closure *on_complete) { grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream; GPR_ASSERT(stream->cursor < stream->backing_buffer->count); - *slice = grpc_slice_ref(stream->backing_buffer->slices[stream->cursor]); + *slice = + grpc_slice_ref_internal(stream->backing_buffer->slices[stream->cursor]); stream->cursor++; return 1; } diff --git a/src/core/lib/transport/connectivity_state.c b/src/core/lib/transport/connectivity_state.c index 4f49d7cf7d..c656d93740 100644 --- a/src/core/lib/transport/connectivity_state.c +++ b/src/core/lib/transport/connectivity_state.c @@ -81,7 +81,7 @@ void grpc_connectivity_state_destroy(grpc_exec_ctx *exec_ctx, } else { error = GRPC_ERROR_CREATE("Shutdown connectivity owner"); } - grpc_exec_ctx_sched(exec_ctx, w->notify, error, NULL); + grpc_closure_sched(exec_ctx, w->notify, error); gpr_free(w); } GRPC_ERROR_UNREF(tracker->current_error); @@ -121,7 +121,7 @@ bool grpc_connectivity_state_notify_on_state_change( if (current == NULL) { grpc_connectivity_state_watcher *w = tracker->watchers; if (w != NULL && w->notify == notify) { - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED); tracker->watchers = w->next; gpr_free(w); return false; @@ -129,7 +129,7 @@ bool grpc_connectivity_state_notify_on_state_change( while (w != NULL) { grpc_connectivity_state_watcher *rm_candidate = w->next; if (rm_candidate != NULL && rm_candidate->notify == notify) { - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED, NULL); + grpc_closure_sched(exec_ctx, notify, GRPC_ERROR_CANCELLED); w->next = w->next->next; gpr_free(rm_candidate); return false; @@ -140,8 +140,8 @@ bool grpc_connectivity_state_notify_on_state_change( } else { if (tracker->current_state != *current) { *current = tracker->current_state; - grpc_exec_ctx_sched(exec_ctx, notify, - GRPC_ERROR_REF(tracker->current_error), NULL); + grpc_closure_sched(exec_ctx, notify, + GRPC_ERROR_REF(tracker->current_error)); } else { grpc_connectivity_state_watcher *w = gpr_malloc(sizeof(*w)); w->current = current; @@ -191,8 +191,8 @@ void grpc_connectivity_state_set(grpc_exec_ctx *exec_ctx, gpr_log(GPR_DEBUG, "NOTIFY: %p %s: %p", tracker, tracker->name, w->notify); } - grpc_exec_ctx_sched(exec_ctx, w->notify, - GRPC_ERROR_REF(tracker->current_error), NULL); + grpc_closure_sched(exec_ctx, w->notify, + GRPC_ERROR_REF(tracker->current_error)); gpr_free(w); } } diff --git a/src/core/lib/transport/mdstr_hash_table.c b/src/core/lib/transport/mdstr_hash_table.c index 3d01e56df7..2791bf653b 100644 --- a/src/core/lib/transport/mdstr_hash_table.c +++ b/src/core/lib/transport/mdstr_hash_table.c @@ -94,13 +94,14 @@ grpc_mdstr_hash_table* grpc_mdstr_hash_table_ref(grpc_mdstr_hash_table* table) { return table; } -void grpc_mdstr_hash_table_unref(grpc_mdstr_hash_table* table) { +void grpc_mdstr_hash_table_unref(grpc_exec_ctx* exec_ctx, + grpc_mdstr_hash_table* table) { if (table != NULL && gpr_unref(&table->refs)) { for (size_t i = 0; i < table->size; ++i) { grpc_mdstr_hash_table_entry* entry = &table->entries[i]; if (entry->key != NULL) { - GRPC_MDSTR_UNREF(entry->key); - entry->vtable->destroy_value(entry->value); + GRPC_MDSTR_UNREF(exec_ctx, entry->key); + entry->vtable->destroy_value(exec_ctx, entry->value); } } gpr_free(table->entries); diff --git a/src/core/lib/transport/mdstr_hash_table.h b/src/core/lib/transport/mdstr_hash_table.h index 8982ec3a8d..57f497ee27 100644 --- a/src/core/lib/transport/mdstr_hash_table.h +++ b/src/core/lib/transport/mdstr_hash_table.h @@ -49,7 +49,7 @@ typedef struct grpc_mdstr_hash_table grpc_mdstr_hash_table; typedef struct grpc_mdstr_hash_table_vtable { - void (*destroy_value)(void* value); + void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value); void* (*copy_value)(void* value); } grpc_mdstr_hash_table_vtable; @@ -66,7 +66,8 @@ grpc_mdstr_hash_table* grpc_mdstr_hash_table_create( size_t num_entries, grpc_mdstr_hash_table_entry* entries); grpc_mdstr_hash_table* grpc_mdstr_hash_table_ref(grpc_mdstr_hash_table* table); -void grpc_mdstr_hash_table_unref(grpc_mdstr_hash_table* table); +void grpc_mdstr_hash_table_unref(grpc_exec_ctx* exec_ctx, + grpc_mdstr_hash_table* table); /** Returns the value from \a table associated with \a key. Returns NULL if \a key is not found. */ diff --git a/src/core/lib/transport/metadata.c b/src/core/lib/transport/metadata.c index fac19b91d9..54c39df6a7 100644 --- a/src/core/lib/transport/metadata.c +++ b/src/core/lib/transport/metadata.c @@ -47,6 +47,7 @@ #include "src/core/lib/iomgr/iomgr_internal.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/murmur_hash.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" @@ -153,7 +154,7 @@ static size_t g_static_mdtab_maxprobe; static strtab_shard g_strtab_shard[STRTAB_SHARD_COUNT]; static mdtab_shard g_mdtab_shard[MDTAB_SHARD_COUNT]; -static void gc_mdtab(mdtab_shard *shard); +static void gc_mdtab(grpc_exec_ctx *exec_ctx, mdtab_shard *shard); void grpc_test_only_set_metadata_hash_seed(uint32_t seed) { g_hash_seed = seed; @@ -227,12 +228,12 @@ void grpc_mdctx_global_init(void) { } } -void grpc_mdctx_global_shutdown(void) { +void grpc_mdctx_global_shutdown(grpc_exec_ctx *exec_ctx) { size_t i; for (i = 0; i < MDTAB_SHARD_COUNT; i++) { mdtab_shard *shard = &g_mdtab_shard[i]; gpr_mu_destroy(&shard->mu); - gc_mdtab(shard); + gc_mdtab(exec_ctx, shard); /* TODO(ctiller): GPR_ASSERT(shard->count == 0); */ if (shard->count != 0) { gpr_log(GPR_DEBUG, "WARNING: %" PRIuPTR " metadata elements were leaked", @@ -316,12 +317,13 @@ static void grow_strtab(strtab_shard *shard) { GPR_TIMER_END("grow_strtab", 0); } -static void internal_destroy_string(strtab_shard *shard, internal_string *is) { +static void internal_destroy_string(grpc_exec_ctx *exec_ctx, + strtab_shard *shard, internal_string *is) { internal_string **prev_next; internal_string *cur; GPR_TIMER_BEGIN("internal_destroy_string", 0); if (is->has_base64_and_huffman_encoded) { - grpc_slice_unref(is->base64_and_huffman); + grpc_slice_unref_internal(exec_ctx, is->base64_and_huffman); } for (prev_next = &shard->strs[TABLE_IDX(is->hash, LOG2_STRTAB_SHARD_COUNT, shard->capacity)], @@ -340,20 +342,20 @@ static void slice_ref(void *p) { GRPC_MDSTR_REF((grpc_mdstr *)(is)); } -static void slice_unref(void *p) { +static void slice_unref(grpc_exec_ctx *exec_ctx, void *p) { internal_string *is = (internal_string *)((char *)p - offsetof(internal_string, refcount)); - GRPC_MDSTR_UNREF((grpc_mdstr *)(is)); + GRPC_MDSTR_UNREF(exec_ctx, (grpc_mdstr *)(is)); } grpc_mdstr *grpc_mdstr_from_string(const char *str) { return grpc_mdstr_from_buffer((const uint8_t *)str, strlen(str)); } -grpc_mdstr *grpc_mdstr_from_slice(grpc_slice slice) { +grpc_mdstr *grpc_mdstr_from_slice(grpc_exec_ctx *exec_ctx, grpc_slice slice) { grpc_mdstr *result = grpc_mdstr_from_buffer(GRPC_SLICE_START_PTR(slice), GRPC_SLICE_LENGTH(slice)); - grpc_slice_unref(slice); + grpc_slice_unref_internal(exec_ctx, slice); return result; } @@ -444,7 +446,7 @@ grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *buf, size_t length) { return (grpc_mdstr *)s; } -static void gc_mdtab(mdtab_shard *shard) { +static void gc_mdtab(grpc_exec_ctx *exec_ctx, mdtab_shard *shard) { size_t i; internal_metadata **prev_next; internal_metadata *md, *next; @@ -457,8 +459,8 @@ static void gc_mdtab(mdtab_shard *shard) { void *user_data = (void *)gpr_atm_no_barrier_load(&md->user_data); next = md->bucket_next; if (gpr_atm_acq_load(&md->refcnt) == 0) { - GRPC_MDSTR_UNREF((grpc_mdstr *)md->key); - GRPC_MDSTR_UNREF((grpc_mdstr *)md->value); + GRPC_MDSTR_UNREF(exec_ctx, (grpc_mdstr *)md->key); + GRPC_MDSTR_UNREF(exec_ctx, (grpc_mdstr *)md->value); if (md->user_data) { ((destroy_user_data_func)gpr_atm_no_barrier_load( &md->destroy_user_data))(user_data); @@ -506,16 +508,17 @@ static void grow_mdtab(mdtab_shard *shard) { GPR_TIMER_END("grow_mdtab", 0); } -static void rehash_mdtab(mdtab_shard *shard) { +static void rehash_mdtab(grpc_exec_ctx *exec_ctx, mdtab_shard *shard) { if (gpr_atm_no_barrier_load(&shard->free_estimate) > (gpr_atm)(shard->capacity / 4)) { - gc_mdtab(shard); + gc_mdtab(exec_ctx, shard); } else { grow_mdtab(shard); } } -grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdstr *mkey, +grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_exec_ctx *exec_ctx, + grpc_mdstr *mkey, grpc_mdstr *mvalue) { internal_string *key = (internal_string *)mkey; internal_string *value = (internal_string *)mvalue; @@ -547,8 +550,8 @@ grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdstr *mkey, for (md = shard->elems[idx]; md; md = md->bucket_next) { if (md->key == key && md->value == value) { REF_MD_LOCKED(shard, md); - GRPC_MDSTR_UNREF((grpc_mdstr *)key); - GRPC_MDSTR_UNREF((grpc_mdstr *)value); + GRPC_MDSTR_UNREF(exec_ctx, (grpc_mdstr *)key); + GRPC_MDSTR_UNREF(exec_ctx, (grpc_mdstr *)value); gpr_mu_unlock(&shard->mu); GPR_TIMER_END("grpc_mdelem_from_metadata_strings", 0); return (grpc_mdelem *)md; @@ -574,7 +577,7 @@ grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdstr *mkey, shard->count++; if (shard->count > shard->capacity * 2) { - rehash_mdtab(shard); + rehash_mdtab(exec_ctx, shard); } gpr_mu_unlock(&shard->mu); @@ -584,21 +587,26 @@ grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdstr *mkey, return (grpc_mdelem *)md; } -grpc_mdelem *grpc_mdelem_from_strings(const char *key, const char *value) { - return grpc_mdelem_from_metadata_strings(grpc_mdstr_from_string(key), - grpc_mdstr_from_string(value)); +grpc_mdelem *grpc_mdelem_from_strings(grpc_exec_ctx *exec_ctx, const char *key, + const char *value) { + return grpc_mdelem_from_metadata_strings( + exec_ctx, grpc_mdstr_from_string(key), grpc_mdstr_from_string(value)); } -grpc_mdelem *grpc_mdelem_from_slices(grpc_slice key, grpc_slice value) { - return grpc_mdelem_from_metadata_strings(grpc_mdstr_from_slice(key), - grpc_mdstr_from_slice(value)); +grpc_mdelem *grpc_mdelem_from_slices(grpc_exec_ctx *exec_ctx, grpc_slice key, + grpc_slice value) { + return grpc_mdelem_from_metadata_strings( + exec_ctx, grpc_mdstr_from_slice(exec_ctx, key), + grpc_mdstr_from_slice(exec_ctx, value)); } -grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key, +grpc_mdelem *grpc_mdelem_from_string_and_buffer(grpc_exec_ctx *exec_ctx, + const char *key, const uint8_t *value, size_t value_length) { return grpc_mdelem_from_metadata_strings( - grpc_mdstr_from_string(key), grpc_mdstr_from_buffer(value, value_length)); + exec_ctx, grpc_mdstr_from_string(key), + grpc_mdstr_from_buffer(value, value_length)); } static size_t get_base64_encoded_size(size_t raw_length) { @@ -654,7 +662,7 @@ grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd DEBUG_ARGS) { return gmd; } -void grpc_mdelem_unref(grpc_mdelem *gmd DEBUG_ARGS) { +void grpc_mdelem_unref(grpc_exec_ctx *exec_ctx, grpc_mdelem *gmd DEBUG_ARGS) { internal_metadata *md = (internal_metadata *)gmd; if (!md) return; if (is_mdelem_static(gmd)) return; @@ -696,7 +704,7 @@ grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs DEBUG_ARGS) { return gs; } -void grpc_mdstr_unref(grpc_mdstr *gs DEBUG_ARGS) { +void grpc_mdstr_unref(grpc_exec_ctx *exec_ctx, grpc_mdstr *gs DEBUG_ARGS) { internal_string *s = (internal_string *)gs; if (is_mdstr_static(gs)) return; #ifdef GRPC_METADATA_REFCOUNT_DEBUG @@ -709,7 +717,7 @@ void grpc_mdstr_unref(grpc_mdstr *gs DEBUG_ARGS) { &g_strtab_shard[SHARD_IDX(s->hash, LOG2_STRTAB_SHARD_COUNT)]; gpr_mu_lock(&shard->mu); GPR_ASSERT(0 == gpr_atm_no_barrier_load(&s->refcnt)); - internal_destroy_string(shard, s); + internal_destroy_string(exec_ctx, shard, s); gpr_mu_unlock(&shard->mu); } } diff --git a/src/core/lib/transport/metadata.h b/src/core/lib/transport/metadata.h index a4955a1ea7..991eee96f1 100644 --- a/src/core/lib/transport/metadata.h +++ b/src/core/lib/transport/metadata.h @@ -37,6 +37,8 @@ #include <grpc/slice.h> #include <grpc/support/useful.h> +#include "src/core/lib/iomgr/exec_ctx.h" + #ifdef __cplusplus extern "C" { #endif @@ -96,7 +98,7 @@ void grpc_test_only_set_metadata_hash_seed(uint32_t seed); clients may have handy */ grpc_mdstr *grpc_mdstr_from_string(const char *str); /* Unrefs the slice. */ -grpc_mdstr *grpc_mdstr_from_slice(grpc_slice slice); +grpc_mdstr *grpc_mdstr_from_slice(grpc_exec_ctx *exec_ctx, grpc_slice slice); grpc_mdstr *grpc_mdstr_from_buffer(const uint8_t *str, size_t length); /* Returns a borrowed slice from the mdstr with its contents base64 encoded @@ -105,12 +107,16 @@ grpc_slice grpc_mdstr_as_base64_encoded_and_huffman_compressed(grpc_mdstr *str); /* Constructors for grpc_mdelem instances; take a variety of data types that clients may have handy */ -grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_mdstr *key, +grpc_mdelem *grpc_mdelem_from_metadata_strings(grpc_exec_ctx *exec_ctx, + grpc_mdstr *key, grpc_mdstr *value); -grpc_mdelem *grpc_mdelem_from_strings(const char *key, const char *value); +grpc_mdelem *grpc_mdelem_from_strings(grpc_exec_ctx *exec_ctx, const char *key, + const char *value); /* Unrefs the slices. */ -grpc_mdelem *grpc_mdelem_from_slices(grpc_slice key, grpc_slice value); -grpc_mdelem *grpc_mdelem_from_string_and_buffer(const char *key, +grpc_mdelem *grpc_mdelem_from_slices(grpc_exec_ctx *exec_ctx, grpc_slice key, + grpc_slice value); +grpc_mdelem *grpc_mdelem_from_string_and_buffer(grpc_exec_ctx *exec_ctx, + const char *key, const uint8_t *value, size_t value_length); @@ -127,22 +133,26 @@ void *grpc_mdelem_set_user_data(grpc_mdelem *md, void (*destroy_func)(void *), //#define GRPC_METADATA_REFCOUNT_DEBUG #ifdef GRPC_METADATA_REFCOUNT_DEBUG #define GRPC_MDSTR_REF(s) grpc_mdstr_ref((s), __FILE__, __LINE__) -#define GRPC_MDSTR_UNREF(s) grpc_mdstr_unref((s), __FILE__, __LINE__) +#define GRPC_MDSTR_UNREF(exec_ctx, s) \ + grpc_mdstr_unref((exec_ctx), (s), __FILE__, __LINE__) #define GRPC_MDELEM_REF(s) grpc_mdelem_ref((s), __FILE__, __LINE__) -#define GRPC_MDELEM_UNREF(s) grpc_mdelem_unref((s), __FILE__, __LINE__) +#define GRPC_MDELEM_UNREF(exec_ctx, s) \ + grpc_mdelem_unref((exec_ctx), (s), __FILE__, __LINE__) grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *s, const char *file, int line); -void grpc_mdstr_unref(grpc_mdstr *s, const char *file, int line); +void grpc_mdstr_unref(grpc_exec_ctx *exec_ctx, grpc_mdstr *s, const char *file, + int line); grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *md, const char *file, int line); -void grpc_mdelem_unref(grpc_mdelem *md, const char *file, int line); +void grpc_mdelem_unref(grpc_exec_ctx *exec_ctx, grpc_mdelem *md, + const char *file, int line); #else #define GRPC_MDSTR_REF(s) grpc_mdstr_ref((s)) -#define GRPC_MDSTR_UNREF(s) grpc_mdstr_unref((s)) +#define GRPC_MDSTR_UNREF(exec_ctx, s) grpc_mdstr_unref((exec_ctx), (s)) #define GRPC_MDELEM_REF(s) grpc_mdelem_ref((s)) -#define GRPC_MDELEM_UNREF(s) grpc_mdelem_unref((s)) +#define GRPC_MDELEM_UNREF(exec_ctx, s) grpc_mdelem_unref((exec_ctx), (s)) grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *s); -void grpc_mdstr_unref(grpc_mdstr *s); +void grpc_mdstr_unref(grpc_exec_ctx *exec_ctx, grpc_mdstr *s); grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *md); -void grpc_mdelem_unref(grpc_mdelem *md); +void grpc_mdelem_unref(grpc_exec_ctx *exec_ctx, grpc_mdelem *md); #endif /* Recover a char* from a grpc_mdstr. The returned string is null terminated. @@ -162,7 +172,7 @@ int grpc_mdstr_is_bin_suffixed(grpc_mdstr *s); #define GRPC_MDSTR_KV_HASH(k_hash, v_hash) (GPR_ROTL((k_hash), 2) ^ (v_hash)) void grpc_mdctx_global_init(void); -void grpc_mdctx_global_shutdown(void); +void grpc_mdctx_global_shutdown(grpc_exec_ctx *exec_ctx); /* Implementation provided by chttp2_transport */ extern grpc_slice (*grpc_chttp2_base64_encode_and_huffman_compress)( diff --git a/src/core/lib/transport/metadata_batch.c b/src/core/lib/transport/metadata_batch.c index 84b5a74d51..b62ecc3aa6 100644 --- a/src/core/lib/transport/metadata_batch.c +++ b/src/core/lib/transport/metadata_batch.c @@ -72,10 +72,11 @@ void grpc_metadata_batch_init(grpc_metadata_batch *batch) { batch->deadline = gpr_inf_future(GPR_CLOCK_REALTIME); } -void grpc_metadata_batch_destroy(grpc_metadata_batch *batch) { +void grpc_metadata_batch_destroy(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch) { grpc_linked_mdelem *l; for (l = batch->list.head; l; l = l->next) { - GRPC_MDELEM_UNREF(l->md); + GRPC_MDELEM_UNREF(exec_ctx, l->md); } } @@ -140,8 +141,10 @@ void grpc_metadata_batch_move(grpc_metadata_batch *dst, memset(src, 0, sizeof(grpc_metadata_batch)); } -void grpc_metadata_batch_filter(grpc_metadata_batch *batch, - grpc_mdelem *(*filter)(void *user_data, +void grpc_metadata_batch_filter(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch, + grpc_mdelem *(*filter)(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *elem), void *user_data) { grpc_linked_mdelem *l; @@ -152,7 +155,7 @@ void grpc_metadata_batch_filter(grpc_metadata_batch *batch, assert_valid_list(&batch->list); for (l = batch->list.head; l; l = next) { grpc_mdelem *orig = l->md; - grpc_mdelem *filt = filter(user_data, orig); + grpc_mdelem *filt = filter(exec_ctx, user_data, orig); next = l->next; if (filt == NULL) { if (l->prev) { @@ -168,9 +171,9 @@ void grpc_metadata_batch_filter(grpc_metadata_batch *batch, batch->list.tail = l->prev; } assert_valid_list(&batch->list); - GRPC_MDELEM_UNREF(l->md); + GRPC_MDELEM_UNREF(exec_ctx, l->md); } else if (filt != orig) { - GRPC_MDELEM_UNREF(orig); + GRPC_MDELEM_UNREF(exec_ctx, orig); l->md = filt; } } @@ -179,13 +182,15 @@ void grpc_metadata_batch_filter(grpc_metadata_batch *batch, GPR_TIMER_END("grpc_metadata_batch_filter", 0); } -static grpc_mdelem *no_metadata_for_you(void *user_data, grpc_mdelem *elem) { +static grpc_mdelem *no_metadata_for_you(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *elem) { return NULL; } -void grpc_metadata_batch_clear(grpc_metadata_batch *batch) { +void grpc_metadata_batch_clear(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch) { batch->deadline = gpr_inf_future(GPR_CLOCK_REALTIME); - grpc_metadata_batch_filter(batch, no_metadata_for_you, NULL); + grpc_metadata_batch_filter(exec_ctx, batch, no_metadata_for_you, NULL); } bool grpc_metadata_batch_is_empty(grpc_metadata_batch *batch) { diff --git a/src/core/lib/transport/metadata_batch.h b/src/core/lib/transport/metadata_batch.h index 7a9ccb4bc8..c0bd5174ab 100644 --- a/src/core/lib/transport/metadata_batch.h +++ b/src/core/lib/transport/metadata_batch.h @@ -68,8 +68,10 @@ typedef struct grpc_metadata_batch { } grpc_metadata_batch; void grpc_metadata_batch_init(grpc_metadata_batch *batch); -void grpc_metadata_batch_destroy(grpc_metadata_batch *batch); -void grpc_metadata_batch_clear(grpc_metadata_batch *batch); +void grpc_metadata_batch_destroy(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch); +void grpc_metadata_batch_clear(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch); bool grpc_metadata_batch_is_empty(grpc_metadata_batch *batch); /* Returns the transport size of the batch. */ @@ -118,8 +120,10 @@ void grpc_metadata_batch_add_tail(grpc_metadata_batch *batch, The return value from \a filter will be substituted for the grpc_mdelem passed to \a filter. If \a filter returns NULL, the element will be moved to the garbage list. */ -void grpc_metadata_batch_filter(grpc_metadata_batch *batch, - grpc_mdelem *(*filter)(void *user_data, +void grpc_metadata_batch_filter(grpc_exec_ctx *exec_ctx, + grpc_metadata_batch *batch, + grpc_mdelem *(*filter)(grpc_exec_ctx *exec_ctx, + void *user_data, grpc_mdelem *elem), void *user_data); diff --git a/src/core/lib/transport/method_config.c b/src/core/lib/transport/method_config.c new file mode 100644 index 0000000000..25fb54b37d --- /dev/null +++ b/src/core/lib/transport/method_config.c @@ -0,0 +1,347 @@ +// +// Copyright 2015, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +#include "src/core/lib/transport/method_config.h" + +#include <string.h> + +#include <grpc/impl/codegen/grpc_types.h> +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include <grpc/support/time.h> + +#include "src/core/lib/transport/mdstr_hash_table.h" +#include "src/core/lib/transport/metadata.h" + +// +// grpc_method_config +// + +// bool vtable + +static void* bool_copy(void* valuep) { + bool value = *(bool*)valuep; + bool* new_value = gpr_malloc(sizeof(bool)); + *new_value = value; + return new_value; +} + +static int bool_cmp(void* v1, void* v2) { + bool b1 = *(bool*)v1; + bool b2 = *(bool*)v2; + if (!b1 && b2) return -1; + if (b1 && !b2) return 1; + return 0; +} + +static void free_mem(grpc_exec_ctx* exec_ctx, void* p) { gpr_free(p); } + +static grpc_mdstr_hash_table_vtable bool_vtable = {free_mem, bool_copy, + bool_cmp}; + +// timespec vtable + +static void* timespec_copy(void* valuep) { + gpr_timespec value = *(gpr_timespec*)valuep; + gpr_timespec* new_value = gpr_malloc(sizeof(gpr_timespec)); + *new_value = value; + return new_value; +} + +static int timespec_cmp(void* v1, void* v2) { + return gpr_time_cmp(*(gpr_timespec*)v1, *(gpr_timespec*)v2); +} + +static grpc_mdstr_hash_table_vtable timespec_vtable = {free_mem, timespec_copy, + timespec_cmp}; + +// int32 vtable + +static void* int32_copy(void* valuep) { + int32_t value = *(int32_t*)valuep; + int32_t* new_value = gpr_malloc(sizeof(int32_t)); + *new_value = value; + return new_value; +} + +static int int32_cmp(void* v1, void* v2) { + int32_t i1 = *(int32_t*)v1; + int32_t i2 = *(int32_t*)v2; + if (i1 < i2) return -1; + if (i1 > i2) return 1; + return 0; +} + +static grpc_mdstr_hash_table_vtable int32_vtable = {free_mem, int32_copy, + int32_cmp}; + +// Hash table keys. +#define GRPC_METHOD_CONFIG_WAIT_FOR_READY "grpc.wait_for_ready" // bool +#define GRPC_METHOD_CONFIG_TIMEOUT "grpc.timeout" // gpr_timespec +#define GRPC_METHOD_CONFIG_MAX_REQUEST_MESSAGE_BYTES \ + "grpc.max_request_message_bytes" // int32 +#define GRPC_METHOD_CONFIG_MAX_RESPONSE_MESSAGE_BYTES \ + "grpc.max_response_message_bytes" // int32 + +struct grpc_method_config { + grpc_mdstr_hash_table* table; + grpc_mdstr* wait_for_ready_key; + grpc_mdstr* timeout_key; + grpc_mdstr* max_request_message_bytes_key; + grpc_mdstr* max_response_message_bytes_key; +}; + +grpc_method_config* grpc_method_config_create( + bool* wait_for_ready, gpr_timespec* timeout, + int32_t* max_request_message_bytes, int32_t* max_response_message_bytes) { + grpc_method_config* method_config = gpr_malloc(sizeof(grpc_method_config)); + memset(method_config, 0, sizeof(grpc_method_config)); + method_config->wait_for_ready_key = + grpc_mdstr_from_string(GRPC_METHOD_CONFIG_WAIT_FOR_READY); + method_config->timeout_key = + grpc_mdstr_from_string(GRPC_METHOD_CONFIG_TIMEOUT); + method_config->max_request_message_bytes_key = + grpc_mdstr_from_string(GRPC_METHOD_CONFIG_MAX_REQUEST_MESSAGE_BYTES); + method_config->max_response_message_bytes_key = + grpc_mdstr_from_string(GRPC_METHOD_CONFIG_MAX_RESPONSE_MESSAGE_BYTES); + grpc_mdstr_hash_table_entry entries[4]; + size_t num_entries = 0; + if (wait_for_ready != NULL) { + entries[num_entries].key = method_config->wait_for_ready_key; + entries[num_entries].value = wait_for_ready; + entries[num_entries].vtable = &bool_vtable; + ++num_entries; + } + if (timeout != NULL) { + entries[num_entries].key = method_config->timeout_key; + entries[num_entries].value = timeout; + entries[num_entries].vtable = ×pec_vtable; + ++num_entries; + } + if (max_request_message_bytes != NULL) { + entries[num_entries].key = method_config->max_request_message_bytes_key; + entries[num_entries].value = max_request_message_bytes; + entries[num_entries].vtable = &int32_vtable; + ++num_entries; + } + if (max_response_message_bytes != NULL) { + entries[num_entries].key = method_config->max_response_message_bytes_key; + entries[num_entries].value = max_response_message_bytes; + entries[num_entries].vtable = &int32_vtable; + ++num_entries; + } + method_config->table = grpc_mdstr_hash_table_create(num_entries, entries); + return method_config; +} + +grpc_method_config* grpc_method_config_ref(grpc_method_config* method_config) { + grpc_mdstr_hash_table_ref(method_config->table); + return method_config; +} + +void grpc_method_config_unref(grpc_exec_ctx* exec_ctx, + grpc_method_config* method_config) { + if (grpc_mdstr_hash_table_unref(exec_ctx, method_config->table)) { + GRPC_MDSTR_UNREF(exec_ctx, method_config->wait_for_ready_key); + GRPC_MDSTR_UNREF(exec_ctx, method_config->timeout_key); + GRPC_MDSTR_UNREF(exec_ctx, method_config->max_request_message_bytes_key); + GRPC_MDSTR_UNREF(exec_ctx, method_config->max_response_message_bytes_key); + gpr_free(method_config); + } +} + +int grpc_method_config_cmp(const grpc_method_config* method_config1, + const grpc_method_config* method_config2) { + return grpc_mdstr_hash_table_cmp(method_config1->table, + method_config2->table); +} + +const bool* grpc_method_config_get_wait_for_ready( + const grpc_method_config* method_config) { + return grpc_mdstr_hash_table_get(method_config->table, + method_config->wait_for_ready_key); +} + +const gpr_timespec* grpc_method_config_get_timeout( + const grpc_method_config* method_config) { + return grpc_mdstr_hash_table_get(method_config->table, + method_config->timeout_key); +} + +const int32_t* grpc_method_config_get_max_request_message_bytes( + const grpc_method_config* method_config) { + return grpc_mdstr_hash_table_get( + method_config->table, method_config->max_request_message_bytes_key); +} + +const int32_t* grpc_method_config_get_max_response_message_bytes( + const grpc_method_config* method_config) { + return grpc_mdstr_hash_table_get( + method_config->table, method_config->max_response_message_bytes_key); +} + +// +// grpc_method_config_table +// + +static void method_config_unref(grpc_exec_ctx* exec_ctx, void* valuep) { + grpc_method_config_unref(exec_ctx, valuep); +} + +static void* method_config_ref(void* valuep) { + return grpc_method_config_ref(valuep); +} + +static int method_config_cmp(void* valuep1, void* valuep2) { + return grpc_method_config_cmp(valuep1, valuep2); +} + +static const grpc_mdstr_hash_table_vtable method_config_table_vtable = { + method_config_unref, method_config_ref, method_config_cmp}; + +grpc_method_config_table* grpc_method_config_table_create( + size_t num_entries, grpc_method_config_table_entry* entries) { + grpc_mdstr_hash_table_entry* hash_table_entries = + gpr_malloc(sizeof(grpc_mdstr_hash_table_entry) * num_entries); + for (size_t i = 0; i < num_entries; ++i) { + hash_table_entries[i].key = entries[i].method_name; + hash_table_entries[i].value = entries[i].method_config; + hash_table_entries[i].vtable = &method_config_table_vtable; + } + grpc_method_config_table* method_config_table = + grpc_mdstr_hash_table_create(num_entries, hash_table_entries); + gpr_free(hash_table_entries); + return method_config_table; +} + +grpc_method_config_table* grpc_method_config_table_ref( + grpc_method_config_table* table) { + return grpc_mdstr_hash_table_ref(table); +} + +void grpc_method_config_table_unref(grpc_exec_ctx* exec_ctx, + grpc_method_config_table* table) { + grpc_mdstr_hash_table_unref(exec_ctx, table); +} + +int grpc_method_config_table_cmp(const grpc_method_config_table* table1, + const grpc_method_config_table* table2) { + return grpc_mdstr_hash_table_cmp(table1, table2); +} + +void* grpc_method_config_table_get(grpc_exec_ctx* exec_ctx, + const grpc_mdstr_hash_table* table, + const grpc_mdstr* path) { + void* value = grpc_mdstr_hash_table_get(table, path); + // If we didn't find a match for the path, try looking for a wildcard + // entry (i.e., change "/service/method" to "/service/*"). + if (value == NULL) { + const char* path_str = grpc_mdstr_as_c_string(path); + const char* sep = strrchr(path_str, '/') + 1; + const size_t len = (size_t)(sep - path_str); + char* buf = gpr_malloc(len + 2); // '*' and NUL + memcpy(buf, path_str, len); + buf[len] = '*'; + buf[len + 1] = '\0'; + grpc_mdstr* wildcard_path = grpc_mdstr_from_string(buf); + gpr_free(buf); + value = grpc_mdstr_hash_table_get(table, wildcard_path); + GRPC_MDSTR_UNREF(exec_ctx, wildcard_path); + } + return value; +} + +static void* copy_arg(void* p) { return grpc_method_config_table_ref(p); } + +static void destroy_arg(grpc_exec_ctx* exec_ctx, void* p) { + grpc_method_config_table_unref(exec_ctx, p); +} + +static int cmp_arg(void* p1, void* p2) { + return grpc_method_config_table_cmp(p1, p2); +} + +static grpc_arg_pointer_vtable arg_vtable = {copy_arg, destroy_arg, cmp_arg}; + +grpc_arg grpc_method_config_table_create_channel_arg( + grpc_method_config_table* table) { + grpc_arg arg; + arg.type = GRPC_ARG_POINTER; + arg.key = GRPC_ARG_SERVICE_CONFIG; + arg.value.pointer.p = table; + arg.value.pointer.vtable = &arg_vtable; + return arg; +} + +// State used by convert_entry() below. +typedef struct conversion_state { + void* (*convert_value)(const grpc_method_config* method_config); + const grpc_mdstr_hash_table_vtable* vtable; + size_t num_entries; + grpc_mdstr_hash_table_entry* entries; +} conversion_state; + +// A function to be passed to grpc_mdstr_hash_table_iterate() to create +// a copy of the entries. +static void convert_entry(const grpc_mdstr_hash_table_entry* entry, + void* user_data) { + conversion_state* state = user_data; + state->entries[state->num_entries].key = GRPC_MDSTR_REF(entry->key); + state->entries[state->num_entries].value = state->convert_value(entry->value); + state->entries[state->num_entries].vtable = state->vtable; + ++state->num_entries; +} + +grpc_mdstr_hash_table* grpc_method_config_table_convert( + grpc_exec_ctx* exec_ctx, const grpc_method_config_table* table, + void* (*convert_value)(const grpc_method_config* method_config), + const grpc_mdstr_hash_table_vtable* vtable) { + // Create an array of the entries in the table with converted values. + conversion_state state; + state.convert_value = convert_value; + state.vtable = vtable; + state.num_entries = 0; + state.entries = gpr_malloc(sizeof(grpc_mdstr_hash_table_entry) * + grpc_mdstr_hash_table_num_entries(table)); + grpc_mdstr_hash_table_iterate(table, convert_entry, &state); + // Create a new table based on the array we just constructed. + grpc_mdstr_hash_table* new_table = + grpc_mdstr_hash_table_create(state.num_entries, state.entries); + // Clean up the array. + for (size_t i = 0; i < state.num_entries; ++i) { + GRPC_MDSTR_UNREF(exec_ctx, state.entries[i].key); + vtable->destroy_value(exec_ctx, state.entries[i].value); + } + gpr_free(state.entries); + // Return the new table. + return new_table; +} diff --git a/src/core/lib/transport/method_config.h b/src/core/lib/transport/method_config.h new file mode 100644 index 0000000000..d17a493fd4 --- /dev/null +++ b/src/core/lib/transport/method_config.h @@ -0,0 +1,139 @@ +// +// Copyright 2016, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +#ifndef GRPC_CORE_LIB_TRANSPORT_METHOD_CONFIG_H +#define GRPC_CORE_LIB_TRANSPORT_METHOD_CONFIG_H + +#include <stdbool.h> + +#include <grpc/impl/codegen/gpr_types.h> +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/transport/mdstr_hash_table.h" +#include "src/core/lib/transport/metadata.h" + +/// Per-method configuration. +typedef struct grpc_method_config grpc_method_config; + +/// Creates a grpc_method_config with the specified parameters. +/// Any parameter may be NULL to indicate that the value is unset. +/// +/// \a wait_for_ready indicates whether the client should wait until the +/// request deadline for the channel to become ready, even if there is a +/// temporary failure before the deadline while attempting to connect. +/// +/// \a timeout indicates the timeout for calls. +/// +/// \a max_request_message_bytes and \a max_response_message_bytes +/// indicate the maximum sizes of the request (checked when sending) and +/// response (checked when receiving) messages. +grpc_method_config* grpc_method_config_create( + bool* wait_for_ready, gpr_timespec* timeout, + int32_t* max_request_message_bytes, int32_t* max_response_message_bytes); + +grpc_method_config* grpc_method_config_ref(grpc_method_config* method_config); +void grpc_method_config_unref(grpc_exec_ctx* exec_ctx, + grpc_method_config* method_config); + +/// Compares two grpc_method_configs. +/// The sort order is stable but undefined. +int grpc_method_config_cmp(const grpc_method_config* method_config1, + const grpc_method_config* method_config2); + +/// These methods return NULL if the requested field is unset. +/// The caller does NOT take ownership of the result. +const bool* grpc_method_config_get_wait_for_ready( + const grpc_method_config* method_config); +const gpr_timespec* grpc_method_config_get_timeout( + const grpc_method_config* method_config); +const int32_t* grpc_method_config_get_max_request_message_bytes( + const grpc_method_config* method_config); +const int32_t* grpc_method_config_get_max_response_message_bytes( + const grpc_method_config* method_config); + +/// A table of method configs. +typedef grpc_mdstr_hash_table grpc_method_config_table; + +typedef struct grpc_method_config_table_entry { + /// The name is of one of the following forms: + /// service/method -- specifies exact service and method name + /// service/* -- matches all methods for the specified service + grpc_mdstr* method_name; + grpc_method_config* method_config; +} grpc_method_config_table_entry; + +/// Takes new references to all keys and values in \a entries. +grpc_method_config_table* grpc_method_config_table_create( + size_t num_entries, grpc_method_config_table_entry* entries); + +grpc_method_config_table* grpc_method_config_table_ref( + grpc_method_config_table* table); +void grpc_method_config_table_unref(grpc_exec_ctx* exec_ctx, + grpc_method_config_table* table); + +/// Compares two grpc_method_config_tables. +/// The sort order is stable but undefined. +int grpc_method_config_table_cmp(const grpc_method_config_table* table1, + const grpc_method_config_table* table2); + +/// Gets the method config for the specified \a path, which should be of +/// the form "/service/method". +/// Returns NULL if the method has no config. +/// Caller does NOT own a reference to the result. +/// +/// Note: This returns a void* instead of a grpc_method_config* so that +/// it can also be used for tables constructed via +/// grpc_method_config_table_convert(). +void* grpc_method_config_table_get(grpc_exec_ctx* exec_ctx, + const grpc_mdstr_hash_table* table, + const grpc_mdstr* path); + +/// Returns a channel arg containing \a table. +grpc_arg grpc_method_config_table_create_channel_arg( + grpc_method_config_table* table); + +/// Generates a new table from \a table whose values are converted to a +/// new form via the \a convert_value function. The new table will use +/// \a vtable for its values. +/// +/// This is generally used to convert the table's value type from +/// grpc_method_config to a simple struct containing only the parameters +/// relevant to a particular filter, thus avoiding the need for a hash +/// table lookup on the fast path. In that scenario, \a convert_value +/// will return a new instance of the struct containing the values from +/// the grpc_method_config, and \a vtable provides the methods for +/// operating on the struct type. +grpc_mdstr_hash_table* grpc_method_config_table_convert( + grpc_exec_ctx* exec_ctx, const grpc_method_config_table* table, + void* (*convert_value)(const grpc_method_config* method_config), + const grpc_mdstr_hash_table_vtable* vtable); + +#endif /* GRPC_CORE_LIB_TRANSPORT_METHOD_CONFIG_H */ diff --git a/src/core/lib/transport/pid_controller.h b/src/core/lib/transport/pid_controller.h index 059b5b0834..83c82d6471 100644 --- a/src/core/lib/transport/pid_controller.h +++ b/src/core/lib/transport/pid_controller.h @@ -61,4 +61,4 @@ void grpc_pid_controller_reset(grpc_pid_controller *pid_controller); double grpc_pid_controller_update(grpc_pid_controller *pid_controller, double error, double dt); -#endif +#endif /* GRPC_CORE_LIB_TRANSPORT_PID_CONTROLLER_H */ diff --git a/src/core/lib/transport/service_config.c b/src/core/lib/transport/service_config.c index 2e2b59e3f7..552d3ec856 100644 --- a/src/core/lib/transport/service_config.c +++ b/src/core/lib/transport/service_config.c @@ -146,7 +146,8 @@ static char* parse_json_method_name(grpc_json* json) { // each name found, incrementing \a idx for each entry added. // Returns false on error. static bool parse_json_method_config( - grpc_json* json, void* (*create_value)(const grpc_json* method_config_json), + grpc_exec_ctx* exec_ctx, grpc_json* json, + void* (*create_value)(const grpc_json* method_config_json), const grpc_mdstr_hash_table_vtable* vtable, grpc_mdstr_hash_table_entry* entries, size_t* idx) { // Construct value. @@ -176,13 +177,13 @@ static bool parse_json_method_config( } success = true; done: - vtable->destroy_value(method_config); + vtable->destroy_value(exec_ctx, method_config); gpr_strvec_destroy(&paths); return success; } grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( - const grpc_service_config* service_config, + grpc_exec_ctx* exec_ctx, const grpc_service_config* service_config, void* (*create_value)(const grpc_json* method_config_json), const grpc_mdstr_hash_table_vtable* vtable) { const grpc_json* json = service_config->json_tree; @@ -205,8 +206,8 @@ grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( size_t idx = 0; for (grpc_json* method = field->child; method != NULL; method = method->next) { - if (!parse_json_method_config(method, create_value, vtable, entries, - &idx)) { + if (!parse_json_method_config(exec_ctx, method, create_value, vtable, + entries, &idx)) { return NULL; } } @@ -219,15 +220,16 @@ grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( method_config_table = grpc_mdstr_hash_table_create(num_entries, entries); // Clean up. for (size_t i = 0; i < num_entries; ++i) { - GRPC_MDSTR_UNREF(entries[i].key); - vtable->destroy_value(entries[i].value); + GRPC_MDSTR_UNREF(exec_ctx, entries[i].key); + vtable->destroy_value(exec_ctx, entries[i].value); } gpr_free(entries); } return method_config_table; } -void* grpc_method_config_table_get(const grpc_mdstr_hash_table* table, +void* grpc_method_config_table_get(grpc_exec_ctx* exec_ctx, + const grpc_mdstr_hash_table* table, const grpc_mdstr* path) { void* value = grpc_mdstr_hash_table_get(table, path); // If we didn't find a match for the path, try looking for a wildcard @@ -243,7 +245,7 @@ void* grpc_method_config_table_get(const grpc_mdstr_hash_table* table, grpc_mdstr* wildcard_path = grpc_mdstr_from_string(buf); gpr_free(buf); value = grpc_mdstr_hash_table_get(table, wildcard_path); - GRPC_MDSTR_UNREF(wildcard_path); + GRPC_MDSTR_UNREF(exec_ctx, wildcard_path); } return value; } diff --git a/src/core/lib/transport/service_config.h b/src/core/lib/transport/service_config.h index 2ffe475193..f0897170fa 100644 --- a/src/core/lib/transport/service_config.h +++ b/src/core/lib/transport/service_config.h @@ -54,7 +54,7 @@ const char* grpc_service_config_get_lb_policy_name( /// \a vtable provides methods used to manage the values. /// Returns NULL on error. grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( - const grpc_service_config* service_config, + grpc_exec_ctx* exec_ctx, const grpc_service_config* service_config, void* (*create_value)(const grpc_json* method_config_json), const grpc_mdstr_hash_table_vtable* vtable); @@ -64,7 +64,8 @@ grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( /// the form "/service/method". /// Returns NULL if the method has no config. /// Caller does NOT own a reference to the result. -void* grpc_method_config_table_get(const grpc_mdstr_hash_table* table, +void* grpc_method_config_table_get(grpc_exec_ctx* exec_ctx, + const grpc_mdstr_hash_table* table, const grpc_mdstr* path); #endif /* GRPC_CORE_LIB_TRANSPORT_SERVICE_CONFIG_H */ diff --git a/src/core/lib/transport/transport.c b/src/core/lib/transport/transport.c index b448126da8..055edbb39f 100644 --- a/src/core/lib/transport/transport.c +++ b/src/core/lib/transport/transport.c @@ -40,6 +40,7 @@ #include <grpc/support/log.h> #include <grpc/support/sync.h> +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/transport_impl.h" @@ -68,7 +69,7 @@ void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount) { #endif if (gpr_unref(&refcount->refs)) { - grpc_exec_ctx_sched(exec_ctx, &refcount->destroy, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &refcount->destroy, GRPC_ERROR_NONE); } } @@ -82,7 +83,7 @@ void grpc_stream_ref_init(grpc_stream_refcount *refcount, int initial_refs, grpc_iomgr_cb_func cb, void *cb_arg) { #endif gpr_ref_init(&refcount->refs, initial_refs); - grpc_closure_init(&refcount->destroy, cb, cb_arg); + grpc_closure_init(&refcount->destroy, cb, cb_arg, grpc_schedule_on_exec_ctx); } static void move64(uint64_t *from, uint64_t *to) { @@ -168,11 +169,10 @@ grpc_endpoint *grpc_transport_get_endpoint(grpc_exec_ctx *exec_ctx, void grpc_transport_stream_op_finish_with_failure(grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op, grpc_error *error) { - grpc_exec_ctx_sched(exec_ctx, op->recv_message_ready, GRPC_ERROR_REF(error), - NULL); - grpc_exec_ctx_sched(exec_ctx, op->recv_initial_metadata_ready, - GRPC_ERROR_REF(error), NULL); - grpc_exec_ctx_sched(exec_ctx, op->on_complete, error, NULL); + grpc_closure_sched(exec_ctx, op->recv_message_ready, GRPC_ERROR_REF(error)); + grpc_closure_sched(exec_ctx, op->recv_initial_metadata_ready, + GRPC_ERROR_REF(error)); + grpc_closure_sched(exec_ctx, op->on_complete, error); } typedef struct { @@ -196,7 +196,8 @@ static void add_error(grpc_transport_stream_op *op, grpc_error **which, cmd = gpr_malloc(sizeof(*cmd)); cmd->error = error; cmd->then_call = op->on_complete; - grpc_closure_init(&cmd->closure, free_message, cmd); + grpc_closure_init(&cmd->closure, free_message, cmd, + grpc_schedule_on_exec_ctx); op->on_complete = &cmd->closure; *which = error; } @@ -212,12 +213,12 @@ void grpc_transport_stream_op_add_cancellation(grpc_transport_stream_op *op, } void grpc_transport_stream_op_add_cancellation_with_message( - grpc_transport_stream_op *op, grpc_status_code status, - grpc_slice *optional_message) { + grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op, + grpc_status_code status, grpc_slice *optional_message) { GPR_ASSERT(status != GRPC_STATUS_OK); if (op->cancel_error != GRPC_ERROR_NONE) { if (optional_message) { - grpc_slice_unref(*optional_message); + grpc_slice_unref_internal(exec_ctx, *optional_message); } return; } @@ -227,7 +228,7 @@ void grpc_transport_stream_op_add_cancellation_with_message( error = grpc_error_set_str(GRPC_ERROR_CREATE(msg), GRPC_ERROR_STR_GRPC_MESSAGE, msg); gpr_free(msg); - grpc_slice_unref(*optional_message); + grpc_slice_unref_internal(exec_ctx, *optional_message); } else { error = GRPC_ERROR_CREATE("Call cancelled"); } @@ -235,14 +236,15 @@ void grpc_transport_stream_op_add_cancellation_with_message( add_error(op, &op->cancel_error, error); } -void grpc_transport_stream_op_add_close(grpc_transport_stream_op *op, +void grpc_transport_stream_op_add_close(grpc_exec_ctx *exec_ctx, + grpc_transport_stream_op *op, grpc_status_code status, grpc_slice *optional_message) { GPR_ASSERT(status != GRPC_STATUS_OK); if (op->cancel_error != GRPC_ERROR_NONE || op->close_error != GRPC_ERROR_NONE) { if (optional_message) { - grpc_slice_unref(*optional_message); + grpc_slice_unref_internal(exec_ctx, *optional_message); } return; } @@ -252,7 +254,7 @@ void grpc_transport_stream_op_add_close(grpc_transport_stream_op *op, error = grpc_error_set_str(GRPC_ERROR_CREATE(msg), GRPC_ERROR_STR_GRPC_MESSAGE, msg); gpr_free(msg); - grpc_slice_unref(*optional_message); + grpc_slice_unref_internal(exec_ctx, *optional_message); } else { error = GRPC_ERROR_CREATE("Call force closed"); } @@ -269,14 +271,14 @@ typedef struct { static void destroy_made_transport_op(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { made_transport_op *op = arg; - grpc_exec_ctx_sched(exec_ctx, op->inner_on_complete, GRPC_ERROR_REF(error), - NULL); + grpc_closure_sched(exec_ctx, op->inner_on_complete, GRPC_ERROR_REF(error)); gpr_free(op); } grpc_transport_op *grpc_make_transport_op(grpc_closure *on_complete) { made_transport_op *op = gpr_malloc(sizeof(*op)); - grpc_closure_init(&op->outer_on_complete, destroy_made_transport_op, op); + grpc_closure_init(&op->outer_on_complete, destroy_made_transport_op, op, + grpc_schedule_on_exec_ctx); op->inner_on_complete = on_complete; memset(&op->op, 0, sizeof(op->op)); op->op.on_consumed = &op->outer_on_complete; @@ -292,8 +294,7 @@ typedef struct { static void destroy_made_transport_stream_op(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { made_transport_stream_op *op = arg; - grpc_exec_ctx_sched(exec_ctx, op->inner_on_complete, GRPC_ERROR_REF(error), - NULL); + grpc_closure_sched(exec_ctx, op->inner_on_complete, GRPC_ERROR_REF(error)); gpr_free(op); } @@ -301,7 +302,7 @@ grpc_transport_stream_op *grpc_make_transport_stream_op( grpc_closure *on_complete) { made_transport_stream_op *op = gpr_malloc(sizeof(*op)); grpc_closure_init(&op->outer_on_complete, destroy_made_transport_stream_op, - op); + op, grpc_schedule_on_exec_ctx); op->inner_on_complete = on_complete; memset(&op->op, 0, sizeof(op->op)); op->op.on_complete = &op->outer_on_complete; diff --git a/src/core/lib/transport/transport.h b/src/core/lib/transport/transport.h index 96c26749c8..d1281830aa 100644 --- a/src/core/lib/transport/transport.h +++ b/src/core/lib/transport/transport.h @@ -249,10 +249,11 @@ void grpc_transport_stream_op_add_cancellation(grpc_transport_stream_op *op, grpc_status_code status); void grpc_transport_stream_op_add_cancellation_with_message( - grpc_transport_stream_op *op, grpc_status_code status, - grpc_slice *optional_message); + grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op, + grpc_status_code status, grpc_slice *optional_message); -void grpc_transport_stream_op_add_close(grpc_transport_stream_op *op, +void grpc_transport_stream_op_add_close(grpc_exec_ctx *exec_ctx, + grpc_transport_stream_op *op, grpc_status_code status, grpc_slice *optional_message); diff --git a/src/core/lib/tsi/README.md b/src/core/lib/tsi/README.md new file mode 100644 index 0000000000..3ca3c1ef38 --- /dev/null +++ b/src/core/lib/tsi/README.md @@ -0,0 +1,2 @@ +# Transport Security Interface +An abstraction library over crypto and auth modules (typically OpenSSL) |