diff options
Diffstat (limited to 'src/core')
111 files changed, 3674 insertions, 1941 deletions
diff --git a/src/core/ext/census/context.c b/src/core/ext/census/context.c index 0dfc4ecbf1..4195cb1c9b 100644 --- a/src/core/ext/census/context.c +++ b/src/core/ext/census/context.c @@ -200,7 +200,7 @@ static bool tag_set_add_tag(struct tag_set *tags, const census_tag *tag, // allocate new memory if needed tags->kvm_size += 2 * CENSUS_MAX_TAG_KV_LEN + TAG_HEADER_SIZE; char *new_kvm = gpr_malloc(tags->kvm_size); - memcpy(new_kvm, tags->kvm, tags->kvm_used); + if (tags->kvm_used > 0) memcpy(new_kvm, tags->kvm, tags->kvm_used); gpr_free(tags->kvm); tags->kvm = new_kvm; } diff --git a/src/core/ext/census/resource.c b/src/core/ext/census/resource.c index ed44f004f9..26ea1a8672 100644 --- a/src/core/ext/census/resource.c +++ b/src/core/ext/census/resource.c @@ -223,7 +223,9 @@ size_t allocate_resource(void) { if (n_resources == n_defined_resources) { size_t new_n_resources = n_resources ? n_resources * 2 : 2; resource **new_resources = gpr_malloc(new_n_resources * sizeof(resource *)); - memcpy(new_resources, resources, n_resources * sizeof(resource *)); + if (n_resources != 0) { + memcpy(new_resources, resources, n_resources * sizeof(resource *)); + } memset(new_resources + n_resources, 0, (new_n_resources - n_resources) * sizeof(resource *)); gpr_free(resources); diff --git a/src/core/ext/filters/client_channel/client_channel.c b/src/core/ext/filters/client_channel/client_channel.c index 83e3b8f118..0463b25412 100644 --- a/src/core/ext/filters/client_channel/client_channel.c +++ b/src/core/ext/filters/client_channel/client_channel.c @@ -49,9 +49,9 @@ #include "src/core/ext/filters/client_channel/resolver_registry.h" #include "src/core/ext/filters/client_channel/retry_throttle.h" #include "src/core/ext/filters/client_channel/subchannel.h" +#include "src/core/ext/filters/deadline/deadline_filter.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" -#include "src/core/lib/channel/deadline_filter.h" #include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/iomgr.h" #include "src/core/lib/iomgr/polling_entity.h" @@ -96,17 +96,10 @@ static void method_parameters_unref(method_parameters *method_params) { } } -static void *method_parameters_copy(void *value) { - return method_parameters_ref(value); -} - static void method_parameters_free(grpc_exec_ctx *exec_ctx, void *value) { method_parameters_unref(value); } -static const grpc_slice_hash_table_vtable method_parameters_vtable = { - method_parameters_free, method_parameters_copy}; - static bool parse_wait_for_ready(grpc_json *field, wait_for_ready_value *wait_for_ready) { if (field->type != GRPC_JSON_TRUE && field->type != GRPC_JSON_FALSE) { @@ -183,6 +176,8 @@ typedef struct client_channel_channel_data { grpc_resolver *resolver; /** have we started resolving this channel */ bool started_resolving; + /** is deadline checking enabled? */ + bool deadline_checking_enabled; /** client channel factory */ grpc_client_channel_factory *client_channel_factory; @@ -236,14 +231,23 @@ static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx, grpc_connectivity_state state, grpc_error *error, const char *reason) { - if ((state == GRPC_CHANNEL_TRANSIENT_FAILURE || - state == GRPC_CHANNEL_SHUTDOWN) && - chand->lb_policy != NULL) { - /* cancel picks with wait_for_ready=false */ - grpc_lb_policy_cancel_picks_locked( - exec_ctx, chand->lb_policy, - /* mask= */ GRPC_INITIAL_METADATA_WAIT_FOR_READY, - /* check= */ 0, GRPC_ERROR_REF(error)); + /* TODO: Improve failure handling: + * - Make it possible for policies to return GRPC_CHANNEL_TRANSIENT_FAILURE. + * - Hand over pending picks from old policies during the switch that happens + * when resolver provides an update. */ + if (chand->lb_policy != NULL) { + if (state == GRPC_CHANNEL_TRANSIENT_FAILURE) { + /* cancel picks with wait_for_ready=false */ + grpc_lb_policy_cancel_picks_locked( + exec_ctx, chand->lb_policy, + /* mask= */ GRPC_INITIAL_METADATA_WAIT_FOR_READY, + /* check= */ 0, GRPC_ERROR_REF(error)); + } else if (state == GRPC_CHANNEL_SHUTDOWN) { + /* cancel all picks */ + grpc_lb_policy_cancel_picks_locked(exec_ctx, chand->lb_policy, + /* mask= */ 0, /* check= */ 0, + GRPC_ERROR_REF(error)); + } } grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state, error, reason); @@ -346,6 +350,33 @@ static void parse_retry_throttle_params(const grpc_json *field, void *arg) { } } +// Wrap a closure associated with \a lb_policy. The associated callback (\a +// wrapped_on_pick_closure_cb) is responsible for unref'ing \a lb_policy after +// scheduling \a wrapped_closure. +typedef struct wrapped_on_pick_closure_arg { + /* the closure instance using this struct as argument */ + grpc_closure wrapper_closure; + + /* the original closure. Usually a on_complete/notify cb for pick() and ping() + * calls against the internal RR instance, respectively. */ + grpc_closure *wrapped_closure; + + /* The policy instance related to the closure */ + grpc_lb_policy *lb_policy; +} wrapped_on_pick_closure_arg; + +// Invoke \a arg->wrapped_closure, unref \a arg->lb_policy and free \a arg. +static void wrapped_on_pick_closure_cb(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + wrapped_on_pick_closure_arg *wc_arg = arg; + GPR_ASSERT(wc_arg != NULL); + GPR_ASSERT(wc_arg->wrapped_closure != NULL); + GPR_ASSERT(wc_arg->lb_policy != NULL); + grpc_closure_run(exec_ctx, wc_arg->wrapped_closure, GRPC_ERROR_REF(error)); + GRPC_LB_POLICY_UNREF(exec_ctx, wc_arg->lb_policy, "pick_subchannel_wrapping"); + gpr_free(wc_arg); +} + static void on_resolver_result_changed_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { channel_data *chand = arg; @@ -369,26 +400,24 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx *exec_ctx, GPR_ASSERT(channel_arg->type == GRPC_ARG_STRING); lb_policy_name = channel_arg->value.string; } - // Special case: If all of the addresses are balancer addresses, - // assume that we should use the grpclb policy, regardless of what the - // resolver actually specified. + // Special case: If at least one balancer address is present, we use + // the grpclb policy, regardless of what the resolver actually specified. channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_LB_ADDRESSES); if (channel_arg != NULL && channel_arg->type == GRPC_ARG_POINTER) { grpc_lb_addresses *addresses = channel_arg->value.pointer.p; - bool found_backend_address = false; + bool found_balancer_address = false; for (size_t i = 0; i < addresses->num_addresses; ++i) { - if (!addresses->addresses[i].is_balancer) { - found_backend_address = true; + if (addresses->addresses[i].is_balancer) { + found_balancer_address = true; break; } } - if (!found_backend_address) { + if (found_balancer_address) { if (lb_policy_name != NULL && strcmp(lb_policy_name, "grpclb") != 0) { gpr_log(GPR_INFO, - "resolver requested LB policy %s but provided only balancer " - "addresses, no backend addresses -- forcing use of grpclb LB " - "policy", + "resolver requested LB policy %s but provided at least one " + "balancer address -- forcing use of grpclb LB policy", lb_policy_name); } lb_policy_name = "grpclb"; @@ -434,7 +463,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx *exec_ctx, grpc_uri_destroy(uri); method_params_table = grpc_service_config_create_method_config_table( exec_ctx, service_config, method_parameters_create_from_json, - &method_parameters_vtable); + method_parameters_free); grpc_service_config_destroy(service_config); } } @@ -676,6 +705,8 @@ static grpc_error *cc_init_channel_elem(grpc_exec_ctx *exec_ctx, if (chand->resolver == NULL) { return GRPC_ERROR_CREATE_FROM_STATIC_STRING("resolver creation failed"); } + chand->deadline_checking_enabled = + grpc_deadline_checking_enabled(args->channel_args); return GRPC_ERROR_NONE; } @@ -864,12 +895,14 @@ static void apply_final_configuration_locked(grpc_exec_ctx *exec_ctx, /* apply service-config level configuration to the call (now that we're * certain it exists) */ call_data *calld = elem->call_data; + channel_data *chand = elem->channel_data; gpr_timespec per_method_deadline; if (set_call_method_params_from_service_config_locked(exec_ctx, elem, &per_method_deadline)) { // If the deadline from the service config is shorter than the one // from the client API, reset the deadline timer. - if (gpr_time_cmp(per_method_deadline, calld->deadline) < 0) { + if (chand->deadline_checking_enabled && + gpr_time_cmp(per_method_deadline, calld->deadline) < 0) { calld->deadline = per_method_deadline; grpc_deadline_state_reset(exec_ctx, elem, calld->deadline); } @@ -1031,11 +1064,29 @@ static bool pick_subchannel_locked( const grpc_lb_policy_pick_args inputs = { initial_metadata, initial_metadata_flags, &calld->lb_token_mdelem, gpr_inf_future(GPR_CLOCK_MONOTONIC)}; - const bool result = grpc_lb_policy_pick_locked( - exec_ctx, lb_policy, &inputs, connected_subchannel, NULL, on_ready); + + // Wrap the user-provided callback in order to hold a strong reference to + // the LB policy for the duration of the pick. + wrapped_on_pick_closure_arg *w_on_pick_arg = + gpr_zalloc(sizeof(*w_on_pick_arg)); + grpc_closure_init(&w_on_pick_arg->wrapper_closure, + wrapped_on_pick_closure_cb, w_on_pick_arg, + grpc_schedule_on_exec_ctx); + w_on_pick_arg->wrapped_closure = on_ready; + GRPC_LB_POLICY_REF(lb_policy, "pick_subchannel_wrapping"); + w_on_pick_arg->lb_policy = lb_policy; + const bool pick_done = grpc_lb_policy_pick_locked( + exec_ctx, lb_policy, &inputs, connected_subchannel, NULL, + &w_on_pick_arg->wrapper_closure); + if (pick_done) { + /* synchronous grpc_lb_policy_pick call. Unref the LB policy. */ + GRPC_LB_POLICY_UNREF(exec_ctx, w_on_pick_arg->lb_policy, + "pick_subchannel_wrapping"); + gpr_free(w_on_pick_arg); + } GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "pick_subchannel"); GPR_TIMER_END("pick_subchannel", 0); - return result; + return pick_done; } if (chand->resolver != NULL && !chand->started_resolving) { chand->started_resolving = true; @@ -1227,8 +1278,10 @@ static void cc_start_transport_stream_op_batch( call_data *calld = elem->call_data; channel_data *chand = elem->channel_data; GRPC_CALL_LOG_OP(GPR_INFO, elem, op); - grpc_deadline_state_client_start_transport_stream_op_batch(exec_ctx, elem, - op); + if (chand->deadline_checking_enabled) { + grpc_deadline_state_client_start_transport_stream_op_batch(exec_ctx, elem, + op); + } /* try to (atomically) get the call */ grpc_subchannel_call *call = GET_CALL(calld); GPR_TIMER_BEGIN("cc_start_transport_stream_op_batch", 0); @@ -1262,14 +1315,16 @@ static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, const grpc_call_element_args *args) { call_data *calld = elem->call_data; + channel_data *chand = elem->channel_data; // Initialize data members. - grpc_deadline_state_init(exec_ctx, elem, args->call_stack); calld->path = grpc_slice_ref_internal(args->path); calld->call_start_time = args->start_time; calld->deadline = gpr_convert_clock_type(args->deadline, GPR_CLOCK_MONOTONIC); calld->owning_call = args->call_stack; calld->arena = args->arena; - grpc_deadline_state_start(exec_ctx, elem, calld->deadline); + if (chand->deadline_checking_enabled) { + grpc_deadline_state_init(exec_ctx, elem, args->call_stack, calld->deadline); + } return GRPC_ERROR_NONE; } @@ -1279,7 +1334,10 @@ static void cc_destroy_call_elem(grpc_exec_ctx *exec_ctx, const grpc_call_final_info *final_info, grpc_closure *then_schedule_closure) { call_data *calld = elem->call_data; - grpc_deadline_state_destroy(exec_ctx, elem); + channel_data *chand = elem->channel_data; + if (chand->deadline_checking_enabled) { + grpc_deadline_state_destroy(exec_ctx, elem); + } grpc_slice_unref_internal(exec_ctx, calld->path); if (calld->method_params != NULL) { method_parameters_unref(calld->method_params); diff --git a/src/core/ext/filters/client_channel/client_channel_plugin.c b/src/core/ext/filters/client_channel/client_channel_plugin.c index a68c01c222..0e3eae6615 100644 --- a/src/core/ext/filters/client_channel/client_channel_plugin.c +++ b/src/core/ext/filters/client_channel/client_channel_plugin.c @@ -91,8 +91,9 @@ void grpc_client_channel_init(void) { grpc_subchannel_index_init(); grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MIN, set_default_host_if_unset, NULL); - grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter, - (void *)&grpc_client_channel_filter); + grpc_channel_init_register_stage( + GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, append_filter, + (void *)&grpc_client_channel_filter); grpc_http_connect_register_handshaker_factory(); } diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c index ff8d319309..ad5f0685ec 100644 --- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.c @@ -750,18 +750,11 @@ static void destroy_balancer_name(grpc_exec_ctx *exec_ctx, gpr_free(balancer_name); } -static void *copy_balancer_name(void *balancer_name) { - return gpr_strdup(balancer_name); -} - static grpc_slice_hash_table_entry targets_info_entry_create( const char *address, const char *balancer_name) { - static const grpc_slice_hash_table_vtable vtable = {destroy_balancer_name, - copy_balancer_name}; grpc_slice_hash_table_entry entry; entry.key = grpc_slice_from_copied_string(address); - entry.value = (void *)balancer_name; - entry.vtable = &vtable; + entry.value = gpr_strdup(balancer_name); return entry; } @@ -825,11 +818,8 @@ static char *get_lb_uri_target_addresses(grpc_exec_ctx *exec_ctx, uri_path); gpr_free(uri_path); - *targets_info = - grpc_slice_hash_table_create(num_grpclb_addrs, targets_info_entries); - for (size_t i = 0; i < num_grpclb_addrs; i++) { - grpc_slice_unref_internal(exec_ctx, targets_info_entries[i].key); - } + *targets_info = grpc_slice_hash_table_create( + num_grpclb_addrs, targets_info_entries, destroy_balancer_name); gpr_free(targets_info_entries); return target_uri_str; @@ -841,10 +831,10 @@ static grpc_lb_policy *glb_create(grpc_exec_ctx *exec_ctx, /* 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 - * the non-balancer addresses if we cannot reach any balancers. At that - * 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. */ + * the non-balancer addresses if we cannot reach any balancers. In the + * fallback case, we should use the LB policy indicated by + * GRPC_ARG_LB_POLICY_NAME (although if that specifies grpclb or is + * unset, we should default to pick_first). */ const grpc_arg *arg = grpc_channel_args_find(args->args, GRPC_ARG_LB_ADDRESSES); if (arg == NULL || arg->type != GRPC_ARG_POINTER) { @@ -1122,6 +1112,7 @@ static void lb_call_init_locked(grpc_exec_ctx *exec_ctx, glb_policy->base.interested_parties, GRPC_MDSTR_SLASH_GRPC_DOT_LB_DOT_V1_DOT_LOADBALANCER_SLASH_BALANCELOAD, &host, glb_policy->deadline, NULL); + grpc_slice_unref_internal(exec_ctx, host); grpc_metadata_array_init(&glb_policy->lb_initial_metadata_recv); grpc_metadata_array_init(&glb_policy->lb_trailing_metadata_recv); @@ -1152,7 +1143,7 @@ static void lb_call_init_locked(grpc_exec_ctx *exec_ctx, static void lb_call_destroy_locked(grpc_exec_ctx *exec_ctx, glb_lb_policy *glb_policy) { GPR_ASSERT(glb_policy->lb_call != NULL); - grpc_call_destroy(glb_policy->lb_call); + grpc_call_unref(glb_policy->lb_call); glb_policy->lb_call = NULL; grpc_metadata_array_destroy(&glb_policy->lb_initial_metadata_recv); @@ -1293,6 +1284,7 @@ static void lb_on_response_received_locked(grpc_exec_ctx *exec_ctx, void *arg, "Received empty server list. Picks will stay pending until a " "response with > 0 servers is received"); } + grpc_grpclb_destroy_serverlist(glb_policy->serverlist); } } else { /* serverlist == NULL */ gpr_log(GPR_ERROR, "Invalid LB response received: '%s'. Ignoring.", diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c index 10af252531..87549b78f0 100644 --- a/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c @@ -98,7 +98,7 @@ grpc_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) { pb_encode(&sizestream, grpc_lb_v1_LoadBalanceRequest_fields, request); encoded_length = sizestream.bytes_written; - slice = grpc_slice_malloc(encoded_length); + slice = GRPC_SLICE_MALLOC(encoded_length); outputstream = pb_ostream_from_buffer(GRPC_SLICE_START_PTR(slice), encoded_length); GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v1_LoadBalanceRequest_fields, diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c index e9adf98711..fb119c7fc8 100644 --- a/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c @@ -16,6 +16,12 @@ const pb_field_t grpc_lb_v1_Duration_fields[3] = { PB_LAST_FIELD }; +const pb_field_t grpc_lb_v1_Timestamp_fields[3] = { + PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v1_Timestamp, seconds, seconds, 0), + PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Timestamp, nanos, seconds, 0), + PB_LAST_FIELD +}; + const pb_field_t grpc_lb_v1_LoadBalanceRequest_fields[3] = { PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v1_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v1_InitialLoadBalanceRequest_fields), PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v1_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v1_ClientStats_fields), @@ -27,10 +33,14 @@ const pb_field_t grpc_lb_v1_InitialLoadBalanceRequest_fields[2] = { PB_LAST_FIELD }; -const pb_field_t grpc_lb_v1_ClientStats_fields[4] = { - PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v1_ClientStats, total_requests, total_requests, 0), - PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, client_rpc_errors, total_requests, 0), - PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, dropped_requests, client_rpc_errors, 0), +const pb_field_t grpc_lb_v1_ClientStats_fields[8] = { + PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v1_ClientStats, timestamp, timestamp, &grpc_lb_v1_Timestamp_fields), + PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_started, timestamp, 0), + PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_finished, num_calls_started, 0), + PB_FIELD( 4, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_finished_with_drop_for_rate_limiting, num_calls_finished, 0), + PB_FIELD( 5, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_finished_with_drop_for_load_balancing, num_calls_finished_with_drop_for_rate_limiting, 0), + PB_FIELD( 6, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_finished_with_client_failed_to_send, num_calls_finished_with_drop_for_load_balancing, 0), + PB_FIELD( 7, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_ClientStats, num_calls_finished_known_received, num_calls_finished_with_client_failed_to_send, 0), PB_LAST_FIELD }; @@ -52,11 +62,12 @@ const pb_field_t grpc_lb_v1_ServerList_fields[3] = { PB_LAST_FIELD }; -const pb_field_t grpc_lb_v1_Server_fields[5] = { +const pb_field_t grpc_lb_v1_Server_fields[6] = { PB_FIELD( 1, BYTES , OPTIONAL, STATIC , FIRST, grpc_lb_v1_Server, ip_address, ip_address, 0), PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Server, port, ip_address, 0), PB_FIELD( 3, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Server, load_balance_token, port, 0), - PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Server, drop_request, load_balance_token, 0), + PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Server, drop_for_rate_limiting, load_balance_token, 0), + PB_FIELD( 5, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v1_Server, drop_for_load_balancing, drop_for_rate_limiting, 0), PB_LAST_FIELD }; @@ -70,7 +81,7 @@ const pb_field_t grpc_lb_v1_Server_fields[5] = { * numbers or field sizes that are larger than what can fit in 8 or 16 bit * field descriptors. */ -PB_STATIC_ASSERT((pb_membersize(grpc_lb_v1_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v1_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v1_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v1_Duration_grpc_lb_v1_LoadBalanceRequest_grpc_lb_v1_InitialLoadBalanceRequest_grpc_lb_v1_ClientStats_grpc_lb_v1_LoadBalanceResponse_grpc_lb_v1_InitialLoadBalanceResponse_grpc_lb_v1_ServerList_grpc_lb_v1_Server) +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v1_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v1_ClientStats, timestamp) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v1_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v1_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v1_Duration_grpc_lb_v1_Timestamp_grpc_lb_v1_LoadBalanceRequest_grpc_lb_v1_InitialLoadBalanceRequest_grpc_lb_v1_ClientStats_grpc_lb_v1_LoadBalanceResponse_grpc_lb_v1_InitialLoadBalanceResponse_grpc_lb_v1_ServerList_grpc_lb_v1_Server) #endif #if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT) @@ -81,7 +92,7 @@ PB_STATIC_ASSERT((pb_membersize(grpc_lb_v1_LoadBalanceRequest, initial_request) * numbers or field sizes that are larger than what can fit in the default * 8 bit descriptors. */ -PB_STATIC_ASSERT((pb_membersize(grpc_lb_v1_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v1_ServerList, servers) < 256 && pb_membersize(grpc_lb_v1_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v1_Duration_grpc_lb_v1_LoadBalanceRequest_grpc_lb_v1_InitialLoadBalanceRequest_grpc_lb_v1_ClientStats_grpc_lb_v1_LoadBalanceResponse_grpc_lb_v1_InitialLoadBalanceResponse_grpc_lb_v1_ServerList_grpc_lb_v1_Server) +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v1_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v1_ClientStats, timestamp) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v1_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v1_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v1_ServerList, servers) < 256 && pb_membersize(grpc_lb_v1_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v1_Duration_grpc_lb_v1_Timestamp_grpc_lb_v1_LoadBalanceRequest_grpc_lb_v1_InitialLoadBalanceRequest_grpc_lb_v1_ClientStats_grpc_lb_v1_LoadBalanceResponse_grpc_lb_v1_InitialLoadBalanceResponse_grpc_lb_v1_ServerList_grpc_lb_v1_Server) #endif diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h index 725aa7e386..d3ae919ec2 100644 --- a/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h @@ -14,16 +14,6 @@ extern "C" { #endif /* Struct definitions */ -typedef struct _grpc_lb_v1_ClientStats { - bool has_total_requests; - int64_t total_requests; - bool has_client_rpc_errors; - int64_t client_rpc_errors; - bool has_dropped_requests; - int64_t dropped_requests; -/* @@protoc_insertion_point(struct:grpc_lb_v1_ClientStats) */ -} grpc_lb_v1_ClientStats; - typedef struct _grpc_lb_v1_Duration { bool has_seconds; int64_t seconds; @@ -46,11 +36,39 @@ typedef struct _grpc_lb_v1_Server { int32_t port; bool has_load_balance_token; char load_balance_token[50]; - bool has_drop_request; - bool drop_request; + bool has_drop_for_rate_limiting; + bool drop_for_rate_limiting; + bool has_drop_for_load_balancing; + bool drop_for_load_balancing; /* @@protoc_insertion_point(struct:grpc_lb_v1_Server) */ } grpc_lb_v1_Server; +typedef struct _grpc_lb_v1_Timestamp { + bool has_seconds; + int64_t seconds; + bool has_nanos; + int32_t nanos; +/* @@protoc_insertion_point(struct:grpc_lb_v1_Timestamp) */ +} grpc_lb_v1_Timestamp; + +typedef struct _grpc_lb_v1_ClientStats { + bool has_timestamp; + grpc_lb_v1_Timestamp timestamp; + bool has_num_calls_started; + int64_t num_calls_started; + bool has_num_calls_finished; + int64_t num_calls_finished; + bool has_num_calls_finished_with_drop_for_rate_limiting; + int64_t num_calls_finished_with_drop_for_rate_limiting; + bool has_num_calls_finished_with_drop_for_load_balancing; + int64_t num_calls_finished_with_drop_for_load_balancing; + bool has_num_calls_finished_with_client_failed_to_send; + int64_t num_calls_finished_with_client_failed_to_send; + bool has_num_calls_finished_known_received; + int64_t num_calls_finished_known_received; +/* @@protoc_insertion_point(struct:grpc_lb_v1_ClientStats) */ +} grpc_lb_v1_ClientStats; + typedef struct _grpc_lb_v1_InitialLoadBalanceResponse { bool has_load_balancer_delegate; char load_balancer_delegate[64]; @@ -59,6 +77,13 @@ typedef struct _grpc_lb_v1_InitialLoadBalanceResponse { /* @@protoc_insertion_point(struct:grpc_lb_v1_InitialLoadBalanceResponse) */ } grpc_lb_v1_InitialLoadBalanceResponse; +typedef struct _grpc_lb_v1_ServerList { + pb_callback_t servers; + bool has_expiration_interval; + grpc_lb_v1_Duration expiration_interval; +/* @@protoc_insertion_point(struct:grpc_lb_v1_ServerList) */ +} grpc_lb_v1_ServerList; + typedef struct _grpc_lb_v1_LoadBalanceRequest { bool has_initial_request; grpc_lb_v1_InitialLoadBalanceRequest initial_request; @@ -67,13 +92,6 @@ typedef struct _grpc_lb_v1_LoadBalanceRequest { /* @@protoc_insertion_point(struct:grpc_lb_v1_LoadBalanceRequest) */ } grpc_lb_v1_LoadBalanceRequest; -typedef struct _grpc_lb_v1_ServerList { - pb_callback_t servers; - bool has_expiration_interval; - grpc_lb_v1_Duration expiration_interval; -/* @@protoc_insertion_point(struct:grpc_lb_v1_ServerList) */ -} grpc_lb_v1_ServerList; - typedef struct _grpc_lb_v1_LoadBalanceResponse { bool has_initial_response; grpc_lb_v1_InitialLoadBalanceResponse initial_response; @@ -86,61 +104,72 @@ typedef struct _grpc_lb_v1_LoadBalanceResponse { /* Initializer values for message structs */ #define grpc_lb_v1_Duration_init_default {false, 0, false, 0} +#define grpc_lb_v1_Timestamp_init_default {false, 0, false, 0} #define grpc_lb_v1_LoadBalanceRequest_init_default {false, grpc_lb_v1_InitialLoadBalanceRequest_init_default, false, grpc_lb_v1_ClientStats_init_default} #define grpc_lb_v1_InitialLoadBalanceRequest_init_default {false, ""} -#define grpc_lb_v1_ClientStats_init_default {false, 0, false, 0, false, 0} +#define grpc_lb_v1_ClientStats_init_default {false, grpc_lb_v1_Timestamp_init_default, false, 0, false, 0, false, 0, false, 0, false, 0, false, 0} #define grpc_lb_v1_LoadBalanceResponse_init_default {false, grpc_lb_v1_InitialLoadBalanceResponse_init_default, false, grpc_lb_v1_ServerList_init_default} #define grpc_lb_v1_InitialLoadBalanceResponse_init_default {false, "", false, grpc_lb_v1_Duration_init_default} #define grpc_lb_v1_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v1_Duration_init_default} -#define grpc_lb_v1_Server_init_default {false, {0, {0}}, false, 0, false, "", false, 0} +#define grpc_lb_v1_Server_init_default {false, {0, {0}}, false, 0, false, "", false, 0, false, 0} #define grpc_lb_v1_Duration_init_zero {false, 0, false, 0} +#define grpc_lb_v1_Timestamp_init_zero {false, 0, false, 0} #define grpc_lb_v1_LoadBalanceRequest_init_zero {false, grpc_lb_v1_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v1_ClientStats_init_zero} #define grpc_lb_v1_InitialLoadBalanceRequest_init_zero {false, ""} -#define grpc_lb_v1_ClientStats_init_zero {false, 0, false, 0, false, 0} +#define grpc_lb_v1_ClientStats_init_zero {false, grpc_lb_v1_Timestamp_init_zero, false, 0, false, 0, false, 0, false, 0, false, 0, false, 0} #define grpc_lb_v1_LoadBalanceResponse_init_zero {false, grpc_lb_v1_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v1_ServerList_init_zero} #define grpc_lb_v1_InitialLoadBalanceResponse_init_zero {false, "", false, grpc_lb_v1_Duration_init_zero} #define grpc_lb_v1_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v1_Duration_init_zero} -#define grpc_lb_v1_Server_init_zero {false, {0, {0}}, false, 0, false, "", false, 0} +#define grpc_lb_v1_Server_init_zero {false, {0, {0}}, false, 0, false, "", false, 0, false, 0} /* Field tags (for use in manual encoding/decoding) */ -#define grpc_lb_v1_ClientStats_total_requests_tag 1 -#define grpc_lb_v1_ClientStats_client_rpc_errors_tag 2 -#define grpc_lb_v1_ClientStats_dropped_requests_tag 3 #define grpc_lb_v1_Duration_seconds_tag 1 #define grpc_lb_v1_Duration_nanos_tag 2 #define grpc_lb_v1_InitialLoadBalanceRequest_name_tag 1 #define grpc_lb_v1_Server_ip_address_tag 1 #define grpc_lb_v1_Server_port_tag 2 #define grpc_lb_v1_Server_load_balance_token_tag 3 -#define grpc_lb_v1_Server_drop_request_tag 4 +#define grpc_lb_v1_Server_drop_for_rate_limiting_tag 4 +#define grpc_lb_v1_Server_drop_for_load_balancing_tag 5 +#define grpc_lb_v1_Timestamp_seconds_tag 1 +#define grpc_lb_v1_Timestamp_nanos_tag 2 +#define grpc_lb_v1_ClientStats_timestamp_tag 1 +#define grpc_lb_v1_ClientStats_num_calls_started_tag 2 +#define grpc_lb_v1_ClientStats_num_calls_finished_tag 3 +#define grpc_lb_v1_ClientStats_num_calls_finished_with_drop_for_rate_limiting_tag 4 +#define grpc_lb_v1_ClientStats_num_calls_finished_with_drop_for_load_balancing_tag 5 +#define grpc_lb_v1_ClientStats_num_calls_finished_with_client_failed_to_send_tag 6 +#define grpc_lb_v1_ClientStats_num_calls_finished_known_received_tag 7 #define grpc_lb_v1_InitialLoadBalanceResponse_load_balancer_delegate_tag 1 #define grpc_lb_v1_InitialLoadBalanceResponse_client_stats_report_interval_tag 2 -#define grpc_lb_v1_LoadBalanceRequest_initial_request_tag 1 -#define grpc_lb_v1_LoadBalanceRequest_client_stats_tag 2 #define grpc_lb_v1_ServerList_servers_tag 1 #define grpc_lb_v1_ServerList_expiration_interval_tag 3 +#define grpc_lb_v1_LoadBalanceRequest_initial_request_tag 1 +#define grpc_lb_v1_LoadBalanceRequest_client_stats_tag 2 #define grpc_lb_v1_LoadBalanceResponse_initial_response_tag 1 #define grpc_lb_v1_LoadBalanceResponse_server_list_tag 2 /* Struct field encoding specification for nanopb */ extern const pb_field_t grpc_lb_v1_Duration_fields[3]; +extern const pb_field_t grpc_lb_v1_Timestamp_fields[3]; extern const pb_field_t grpc_lb_v1_LoadBalanceRequest_fields[3]; extern const pb_field_t grpc_lb_v1_InitialLoadBalanceRequest_fields[2]; -extern const pb_field_t grpc_lb_v1_ClientStats_fields[4]; +extern const pb_field_t grpc_lb_v1_ClientStats_fields[8]; extern const pb_field_t grpc_lb_v1_LoadBalanceResponse_fields[3]; extern const pb_field_t grpc_lb_v1_InitialLoadBalanceResponse_fields[3]; extern const pb_field_t grpc_lb_v1_ServerList_fields[3]; -extern const pb_field_t grpc_lb_v1_Server_fields[5]; +extern const pb_field_t grpc_lb_v1_Server_fields[6]; /* Maximum encoded size of messages (where known) */ #define grpc_lb_v1_Duration_size 22 -#define grpc_lb_v1_LoadBalanceRequest_size 169 +#define grpc_lb_v1_Timestamp_size 22 +#define grpc_lb_v1_LoadBalanceRequest_size 226 #define grpc_lb_v1_InitialLoadBalanceRequest_size 131 -#define grpc_lb_v1_ClientStats_size 33 +#define grpc_lb_v1_ClientStats_size 90 #define grpc_lb_v1_LoadBalanceResponse_size (98 + grpc_lb_v1_ServerList_size) #define grpc_lb_v1_InitialLoadBalanceResponse_size 90 /* grpc_lb_v1_ServerList_size depends on runtime parameters */ -#define grpc_lb_v1_Server_size 83 +#define grpc_lb_v1_Server_size 85 /* Message IDs (where set with "msgid" option) */ #ifdef PB_MSGID diff --git a/src/core/ext/filters/client_channel/lb_policy_factory.c b/src/core/ext/filters/client_channel/lb_policy_factory.c index e2af216b89..89b8bf8951 100644 --- a/src/core/ext/filters/client_channel/lb_policy_factory.c +++ b/src/core/ext/filters/client_channel/lb_policy_factory.c @@ -36,16 +36,18 @@ #include <grpc/support/alloc.h> #include <grpc/support/string_util.h> +#include "src/core/lib/channel/channel_args.h" + #include "src/core/ext/filters/client_channel/lb_policy_factory.h" +#include "src/core/ext/filters/client_channel/parse_address.h" grpc_lb_addresses* grpc_lb_addresses_create( size_t num_addresses, const grpc_lb_user_data_vtable* user_data_vtable) { - grpc_lb_addresses* addresses = gpr_malloc(sizeof(grpc_lb_addresses)); + grpc_lb_addresses* addresses = gpr_zalloc(sizeof(grpc_lb_addresses)); addresses->num_addresses = num_addresses; addresses->user_data_vtable = user_data_vtable; const size_t addresses_size = sizeof(grpc_lb_address) * num_addresses; - addresses->addresses = gpr_malloc(addresses_size); - memset(addresses->addresses, 0, addresses_size); + addresses->addresses = gpr_zalloc(addresses_size); return addresses; } @@ -69,7 +71,7 @@ grpc_lb_addresses* grpc_lb_addresses_copy(const grpc_lb_addresses* addresses) { void grpc_lb_addresses_set_address(grpc_lb_addresses* addresses, size_t index, void* address, size_t address_len, - bool is_balancer, char* balancer_name, + bool is_balancer, const char* balancer_name, void* user_data) { GPR_ASSERT(index < addresses->num_addresses); if (user_data != NULL) GPR_ASSERT(addresses->user_data_vtable != NULL); @@ -77,10 +79,22 @@ void grpc_lb_addresses_set_address(grpc_lb_addresses* addresses, size_t index, memcpy(target->address.addr, address, address_len); target->address.len = address_len; target->is_balancer = is_balancer; - target->balancer_name = balancer_name; + target->balancer_name = gpr_strdup(balancer_name); target->user_data = user_data; } +bool grpc_lb_addresses_set_address_from_uri(grpc_lb_addresses* addresses, + size_t index, const grpc_uri* uri, + bool is_balancer, + const char* balancer_name, + void* user_data) { + grpc_resolved_address address; + if (!grpc_parse_uri(uri, &address)) return false; + grpc_lb_addresses_set_address(addresses, index, address.addr, address.len, + is_balancer, balancer_name, user_data); + return true; +} + int grpc_lb_addresses_cmp(const grpc_lb_addresses* addresses1, const grpc_lb_addresses* addresses2) { if (addresses1->num_addresses > addresses2->num_addresses) return 1; @@ -147,6 +161,15 @@ grpc_arg grpc_lb_addresses_create_channel_arg( return arg; } +grpc_lb_addresses* grpc_lb_addresses_find_channel_arg( + const grpc_channel_args* channel_args) { + const grpc_arg* lb_addresses_arg = + grpc_channel_args_find(channel_args, GRPC_ARG_LB_ADDRESSES); + if (lb_addresses_arg == NULL || lb_addresses_arg->type != GRPC_ARG_POINTER) + return NULL; + return lb_addresses_arg->value.pointer.p; +} + void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) { factory->vtable->ref(factory); } diff --git a/src/core/ext/filters/client_channel/lb_policy_factory.h b/src/core/ext/filters/client_channel/lb_policy_factory.h index 81ab12ec8f..9d6c0fc139 100644 --- a/src/core/ext/filters/client_channel/lb_policy_factory.h +++ b/src/core/ext/filters/client_channel/lb_policy_factory.h @@ -34,12 +34,13 @@ #ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H -#include "src/core/ext/filters/client_channel/client_channel_factory.h" -#include "src/core/ext/filters/client_channel/lb_policy.h" - #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/iomgr/resolve_address.h" +#include "src/core/ext/filters/client_channel/client_channel_factory.h" +#include "src/core/ext/filters/client_channel/lb_policy.h" +#include "src/core/ext/filters/client_channel/uri_parser.h" + // Channel arg key for grpc_lb_addresses. #define GRPC_ARG_LB_ADDRESSES "grpc.lb_addresses" @@ -88,9 +89,18 @@ grpc_lb_addresses *grpc_lb_addresses_copy(const grpc_lb_addresses *addresses); * Takes ownership of \a balancer_name. */ void grpc_lb_addresses_set_address(grpc_lb_addresses *addresses, size_t index, void *address, size_t address_len, - bool is_balancer, char *balancer_name, + bool is_balancer, const char *balancer_name, void *user_data); +/** Sets the value of the address at index \a index of \a addresses from \a uri. + * Returns true upon success, false otherwise. Takes ownership of \a + * balancer_name. */ +bool grpc_lb_addresses_set_address_from_uri(grpc_lb_addresses *addresses, + size_t index, const grpc_uri *uri, + bool is_balancer, + const char *balancer_name, + void *user_data); + /** Compares \a addresses1 and \a addresses2. */ int grpc_lb_addresses_cmp(const grpc_lb_addresses *addresses1, const grpc_lb_addresses *addresses2); @@ -103,6 +113,10 @@ void grpc_lb_addresses_destroy(grpc_exec_ctx *exec_ctx, grpc_arg grpc_lb_addresses_create_channel_arg( const grpc_lb_addresses *addresses); +/** Returns the \a grpc_lb_addresses instance in \a channel_args or NULL */ +grpc_lb_addresses *grpc_lb_addresses_find_channel_arg( + const grpc_channel_args *channel_args); + /** Arguments passed to LB policies. */ typedef struct grpc_lb_policy_args { grpc_client_channel_factory *client_channel_factory; diff --git a/src/core/ext/filters/client_channel/parse_address.c b/src/core/ext/filters/client_channel/parse_address.c index 0c97062075..edc6ce697d 100644 --- a/src/core/ext/filters/client_channel/parse_address.c +++ b/src/core/ext/filters/client_channel/parse_address.c @@ -48,7 +48,12 @@ #ifdef GRPC_HAVE_UNIX_SOCKET -int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) { +bool grpc_parse_unix(const grpc_uri *uri, + grpc_resolved_address *resolved_addr) { + if (strcmp("unix", uri->scheme) != 0) { + gpr_log(GPR_ERROR, "Expected 'unix' scheme, got '%s'", uri->scheme); + return false; + } struct sockaddr_un *un = (struct sockaddr_un *)resolved_addr->addr; const size_t maxlen = sizeof(un->sun_path); const size_t path_len = strnlen(uri->path, maxlen); @@ -61,21 +66,29 @@ int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) { #else /* GRPC_HAVE_UNIX_SOCKET */ -int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) { abort(); } +bool grpc_parse_unix(const grpc_uri *uri, + grpc_resolved_address *resolved_addr) { + abort(); +} #endif /* GRPC_HAVE_UNIX_SOCKET */ -int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr) { +bool grpc_parse_ipv4(const grpc_uri *uri, + grpc_resolved_address *resolved_addr) { + if (strcmp("ipv4", uri->scheme) != 0) { + gpr_log(GPR_ERROR, "Expected 'ipv4' scheme, got '%s'", uri->scheme); + return false; + } const char *host_port = uri->path; char *host; char *port; int port_num; - int result = 0; + bool result = false; struct sockaddr_in *in = (struct sockaddr_in *)resolved_addr->addr; if (*host_port == '/') ++host_port; if (!gpr_split_host_port(host_port, &host, &port)) { - return 0; + return false; } memset(resolved_addr, 0, sizeof(grpc_resolved_address)); @@ -98,14 +111,19 @@ int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr) { goto done; } - result = 1; + result = true; done: gpr_free(host); gpr_free(port); return result; } -int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr) { +bool grpc_parse_ipv6(const grpc_uri *uri, + grpc_resolved_address *resolved_addr) { + if (strcmp("ipv6", uri->scheme) != 0) { + gpr_log(GPR_ERROR, "Expected 'ipv6' scheme, got '%s'", uri->scheme); + return false; + } const char *host_port = uri->path; char *host; char *port; @@ -168,3 +186,15 @@ done: gpr_free(port); return result; } + +bool grpc_parse_uri(const grpc_uri *uri, grpc_resolved_address *resolved_addr) { + if (strcmp("unix", uri->scheme) == 0) { + return grpc_parse_unix(uri, resolved_addr); + } else if (strcmp("ipv4", uri->scheme) == 0) { + return grpc_parse_ipv4(uri, resolved_addr); + } else if (strcmp("ipv6", uri->scheme) == 0) { + return grpc_parse_ipv6(uri, resolved_addr); + } + gpr_log(GPR_ERROR, "Can't parse scheme '%s'", uri->scheme); + return false; +} diff --git a/src/core/ext/filters/client_channel/parse_address.h b/src/core/ext/filters/client_channel/parse_address.h index c8d77baa00..fa7ea33a00 100644 --- a/src/core/ext/filters/client_channel/parse_address.h +++ b/src/core/ext/filters/client_channel/parse_address.h @@ -39,16 +39,19 @@ #include "src/core/ext/filters/client_channel/uri_parser.h" #include "src/core/lib/iomgr/resolve_address.h" -/** Populate \a addr and \a len from \a uri, whose path is expected to contain a +/** Populate \a resolved_addr from \a uri, whose path is expected to contain a * unix socket path. Returns true upon success. */ -int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr); +bool grpc_parse_unix(const grpc_uri *uri, grpc_resolved_address *resolved_addr); -/** Populate /a addr and \a len from \a uri, whose path is expected to contain a - * host:port pair. Returns true upon success. */ -int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr); +/** Populate \a resolved_addr from \a uri, whose path is expected to contain an + * IPv4 host:port pair. Returns true upon success. */ +bool grpc_parse_ipv4(const grpc_uri *uri, grpc_resolved_address *resolved_addr); -/** Populate /a addr and \a len from \a uri, whose path is expected to contain a - * host:port pair. Returns true upon success. */ -int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr); +/** Populate \a resolved_addr from \a uri, whose path is expected to contain an + * IPv6 host:port pair. Returns true upon success. */ +bool grpc_parse_ipv6(const grpc_uri *uri, grpc_resolved_address *resolved_addr); + +/** Populate \a resolved_addr from \a uri. Returns true upon success. */ +bool grpc_parse_uri(const grpc_uri *uri, grpc_resolved_address *resolved_addr); #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PARSE_ADDRESS_H */ diff --git a/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c index 54f020d691..4d7d878c23 100644 --- a/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c +++ b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c @@ -157,8 +157,8 @@ static void do_nothing(void *ignored) {} static grpc_resolver *sockaddr_create(grpc_exec_ctx *exec_ctx, grpc_resolver_args *args, - int parse(grpc_uri *uri, - grpc_resolved_address *dst)) { + bool parse(const grpc_uri *uri, + grpc_resolved_address *dst)) { if (0 != strcmp(args->uri->authority, "")) { gpr_log(GPR_ERROR, "authority based uri's not supported by the %s scheme", args->uri->scheme); @@ -209,7 +209,7 @@ static void sockaddr_factory_unref(grpc_resolver_factory *factory) {} static grpc_resolver *name##_factory_create_resolver( \ grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, \ grpc_resolver_args *args) { \ - return sockaddr_create(exec_ctx, args, parse_##name); \ + return sockaddr_create(exec_ctx, args, grpc_parse_##name); \ } \ static const grpc_resolver_factory_vtable name##_factory_vtable = { \ sockaddr_factory_ref, sockaddr_factory_unref, \ diff --git a/src/core/ext/filters/client_channel/subchannel.c b/src/core/ext/filters/client_channel/subchannel.c index 9a7a7a0ee5..b2de85c4a1 100644 --- a/src/core/ext/filters/client_channel/subchannel.c +++ b/src/core/ext/filters/client_channel/subchannel.c @@ -59,9 +59,9 @@ #define INTERNAL_REF_BITS 16 #define STRONG_REF_MASK (~(gpr_atm)((1 << INTERNAL_REF_BITS) - 1)) -#define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20 #define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1 #define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6 +#define GRPC_SUBCHANNEL_RECONNECT_MIN_BACKOFF_SECONDS 20 #define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120 #define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2 @@ -353,8 +353,8 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, "subchannel"); int initial_backoff_ms = GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000; + int min_backoff_ms = GRPC_SUBCHANNEL_RECONNECT_MIN_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++) { @@ -366,6 +366,12 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, &c->args->args[i], (grpc_integer_options){initial_backoff_ms, 100, INT_MAX}); } else if (0 == strcmp(c->args->args[i].key, + GRPC_ARG_MIN_RECONNECT_BACKOFF_MS)) { + fixed_reconnect_backoff = false; + min_backoff_ms = grpc_channel_arg_get_integer( + &c->args->args[i], + (grpc_integer_options){min_backoff_ms, 100, INT_MAX}); + } else if (0 == strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) { fixed_reconnect_backoff = false; max_backoff_ms = grpc_channel_arg_get_integer( @@ -609,7 +615,7 @@ void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx, elem->filter->start_transport_op(exec_ctx, elem, op); } -static void publish_transport_locked(grpc_exec_ctx *exec_ctx, +static bool publish_transport_locked(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) { grpc_connected_subchannel *con; grpc_channel_stack *stk; @@ -625,15 +631,16 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, 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) */ + return false; } grpc_error *error = grpc_channel_stack_builder_finish( exec_ctx, builder, 0, 1, connection_destroy, NULL, (void **)&con); if (error != GRPC_ERROR_NONE) { + grpc_transport_destroy(exec_ctx, c->connecting_result.transport); gpr_log(GPR_ERROR, "error initializing subchannel stack: %s", grpc_error_string(error)); GRPC_ERROR_UNREF(error); - abort(); /* TODO(ctiller): what to do here? */ + return false; } stk = CHANNEL_STACK_FROM_CONNECTION(con); memset(&c->connecting_result, 0, sizeof(c->connecting_result)); @@ -650,7 +657,7 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, grpc_channel_stack_destroy(exec_ctx, stk); gpr_free(con); GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting"); - return; + return false; } /* publish */ @@ -672,6 +679,7 @@ static void publish_transport_locked(grpc_exec_ctx *exec_ctx, /* signal completion */ grpc_connectivity_state_set(exec_ctx, &c->state_tracker, GRPC_CHANNEL_READY, GRPC_ERROR_NONE, "connected"); + return true; } static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg, @@ -682,8 +690,9 @@ static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg, GRPC_SUBCHANNEL_WEAK_REF(c, "connected"); gpr_mu_lock(&c->mu); c->connecting = false; - if (c->connecting_result.transport != NULL) { - publish_transport_locked(exec_ctx, c); + if (c->connecting_result.transport != NULL && + publish_transport_locked(exec_ctx, c)) { + /* do nothing, transport was published */ } else if (c->disconnected) { GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting"); } else { @@ -797,13 +806,7 @@ static void grpc_uri_to_sockaddr(grpc_exec_ctx *exec_ctx, const char *uri_str, grpc_resolved_address *addr) { grpc_uri *uri = grpc_uri_parse(exec_ctx, 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)); - } + if (!grpc_parse_uri(uri, addr)) memset(addr, 0, sizeof(*addr)); grpc_uri_destroy(uri); } diff --git a/src/core/ext/filters/client_channel/uri_parser.c b/src/core/ext/filters/client_channel/uri_parser.c index 01b99911aa..b233d835cb 100644 --- a/src/core/ext/filters/client_channel/uri_parser.c +++ b/src/core/ext/filters/client_channel/uri_parser.c @@ -50,7 +50,7 @@ #define NOT_SET (~(size_t)0) static grpc_uri *bad_uri(const char *uri_text, size_t pos, const char *section, - int suppress_errors) { + bool suppress_errors) { char *line_prefix; size_t pfx_len; @@ -83,6 +83,11 @@ static char *decode_and_copy_component(grpc_exec_ctx *exec_ctx, const char *src, return out; } +static bool valid_hex(char c) { + return ((c >= 'a') && (c <= 'f')) || ((c >= 'A') && (c <= 'F')) || + ((c >= '0') && (c <= '9')); +} + /** Returns how many chars to advance if \a uri_text[i] begins a valid \a pchar * production. If \a uri_text[i] introduces an invalid \a pchar (such as percent * sign not followed by two hex digits), NOT_SET is returned. */ @@ -93,27 +98,36 @@ static size_t parse_pchar(const char *uri_text, size_t i) { * sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "=" */ char c = uri_text[i]; - if (((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || - ((c >= '0') && (c <= '9')) || - (c == '-' || c == '.' || c == '_' || c == '~') || /* unreserved */ - (c == '!' || c == '$' || c == '&' || c == '\'' || c == '$' || c == '&' || - c == '(' || c == ')' || c == '*' || c == '+' || c == ',' || c == ';' || - c == '=') /* sub-delims */) { - return 1; - } - if (c == '%') { /* pct-encoded */ - size_t j; - if (uri_text[i + 1] == 0 || uri_text[i + 2] == 0) { - return NOT_SET; - } - for (j = i + 1; j < 2; j++) { - c = uri_text[j]; - if (!(((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) || - ((c >= 'A') && (c <= 'F')))) { - return NOT_SET; + switch (c) { + default: + if (((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z')) || + ((c >= '0') && (c <= '9'))) { + return 1; } - } - return 2; + break; + case ':': + case '@': + case '-': + case '.': + case '_': + case '~': + case '!': + case '$': + case '&': + case '\'': + case '(': + case ')': + case '*': + case '+': + case ',': + case ';': + case '=': + return 1; + case '%': /* pct-encoded */ + if (valid_hex(uri_text[i + 1]) && valid_hex(uri_text[i + 2])) { + return 2; + } + return NOT_SET; } return 0; } @@ -183,7 +197,7 @@ static void parse_query_parts(grpc_uri *uri) { } grpc_uri *grpc_uri_parse(grpc_exec_ctx *exec_ctx, const char *uri_text, - int suppress_errors) { + bool suppress_errors) { grpc_uri *uri; size_t scheme_begin = 0; size_t scheme_end = NOT_SET; diff --git a/src/core/ext/filters/client_channel/uri_parser.h b/src/core/ext/filters/client_channel/uri_parser.h index 2698d448d8..b889040b16 100644 --- a/src/core/ext/filters/client_channel/uri_parser.h +++ b/src/core/ext/filters/client_channel/uri_parser.h @@ -53,7 +53,7 @@ typedef struct { /** parse a uri, return NULL on failure */ grpc_uri *grpc_uri_parse(grpc_exec_ctx *exec_ctx, const char *uri_text, - int suppress_errors); + bool suppress_errors); /** return the part of a query string after the '=' in "?key=xxx&...", or NULL * if key is not present */ diff --git a/src/core/lib/channel/deadline_filter.c b/src/core/ext/filters/deadline/deadline_filter.c index fda099b021..2e03d16bf6 100644 --- a/src/core/lib/channel/deadline_filter.c +++ b/src/core/ext/filters/deadline/deadline_filter.c @@ -29,7 +29,7 @@ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -#include "src/core/lib/channel/deadline_filter.h" +#include "src/core/ext/filters/deadline/deadline_filter.h" #include <stdbool.h> #include <string.h> @@ -39,9 +39,11 @@ #include <grpc/support/sync.h> #include <grpc/support/time.h> +#include "src/core/lib/channel/channel_stack_builder.h" #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/surface/channel_init.h" // // grpc_deadline_state @@ -141,18 +143,6 @@ static void inject_on_complete_cb(grpc_deadline_state* deadline_state, op->on_complete = &deadline_state->on_complete; } -void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - grpc_call_stack* call_stack) { - grpc_deadline_state* deadline_state = elem->call_data; - deadline_state->call_stack = call_stack; -} - -void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx, - grpc_call_element* elem) { - grpc_deadline_state* deadline_state = elem->call_data; - cancel_timer_if_needed(exec_ctx, deadline_state); -} - // Callback and associated state for starting the timer after call stack // initialization has been completed. struct start_timer_after_init_state { @@ -167,8 +157,11 @@ static void start_timer_after_init(grpc_exec_ctx* exec_ctx, void* arg, gpr_free(state); } -void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - gpr_timespec deadline) { +void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_call_stack* call_stack, + gpr_timespec deadline) { + grpc_deadline_state* deadline_state = elem->call_data; + deadline_state->call_stack = call_stack; // Deadline will always be infinite on servers, so the timer will only be // set on clients with a finite deadline. deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC); @@ -189,6 +182,12 @@ void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, } } +void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem) { + grpc_deadline_state* deadline_state = elem->call_data; + cancel_timer_if_needed(exec_ctx, deadline_state); +} + void grpc_deadline_state_reset(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, gpr_timespec new_deadline) { grpc_deadline_state* deadline_state = elem->call_data; @@ -248,8 +247,7 @@ typedef struct server_call_data { static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, const grpc_call_element_args* args) { - grpc_deadline_state_init(exec_ctx, elem, args->call_stack); - grpc_deadline_state_start(exec_ctx, elem, args->deadline); + grpc_deadline_state_init(exec_ctx, elem, args->call_stack, args->deadline); return GRPC_ERROR_NONE; } @@ -346,3 +344,30 @@ const grpc_channel_filter grpc_server_deadline_filter = { grpc_channel_next_get_info, "deadline", }; + +bool grpc_deadline_checking_enabled(const grpc_channel_args* channel_args) { + return grpc_channel_arg_get_bool( + grpc_channel_args_find(channel_args, GRPC_ARG_ENABLE_DEADLINE_CHECKS), + !grpc_channel_args_want_minimal_stack(channel_args)); +} + +static bool maybe_add_deadline_filter(grpc_exec_ctx* exec_ctx, + grpc_channel_stack_builder* builder, + void* arg) { + return grpc_deadline_checking_enabled( + grpc_channel_stack_builder_get_channel_arguments(builder)) + ? grpc_channel_stack_builder_prepend_filter(builder, arg, NULL, + NULL) + : true; +} + +void grpc_deadline_filter_init(void) { + grpc_channel_init_register_stage( + GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_deadline_filter, (void*)&grpc_client_deadline_filter); + grpc_channel_init_register_stage( + GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_deadline_filter, (void*)&grpc_server_deadline_filter); +} + +void grpc_deadline_filter_shutdown(void) {} diff --git a/src/core/lib/channel/deadline_filter.h b/src/core/ext/filters/deadline/deadline_filter.h index d8db9a9f97..5050453fa1 100644 --- a/src/core/lib/channel/deadline_filter.h +++ b/src/core/ext/filters/deadline/deadline_filter.h @@ -29,8 +29,8 @@ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -#ifndef GRPC_CORE_LIB_CHANNEL_DEADLINE_FILTER_H -#define GRPC_CORE_LIB_CHANNEL_DEADLINE_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_DEADLINE_DEADLINE_FILTER_H +#define GRPC_CORE_EXT_FILTERS_DEADLINE_DEADLINE_FILTER_H #include "src/core/lib/channel/channel_stack.h" #include "src/core/lib/iomgr/timer.h" @@ -64,15 +64,11 @@ typedef struct grpc_deadline_state { // assumes elem->call_data is zero'd void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - grpc_call_stack* call_stack); + grpc_call_stack* call_stack, + gpr_timespec deadline); void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx, grpc_call_element* elem); -// Starts the timer with the specified deadline. -// Should be called from the filter's init_call_elem() method. -void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, - gpr_timespec deadline); - // Cancels the existing timer and starts a new one with new_deadline. // // Note: It is generally safe to call this with an earlier deadline @@ -93,10 +89,13 @@ void grpc_deadline_state_client_start_transport_stream_op_batch( grpc_exec_ctx* exec_ctx, grpc_call_element* elem, grpc_transport_stream_op_batch* op); +// Should deadline checking be performed (according to channel args) +bool grpc_deadline_checking_enabled(const grpc_channel_args* args); + // Deadline filters for direct client channels and server channels. // Note: Deadlines for non-direct client channels are handled by the // client_channel filter. extern const grpc_channel_filter grpc_client_deadline_filter; extern const grpc_channel_filter grpc_server_deadline_filter; -#endif /* GRPC_CORE_LIB_CHANNEL_DEADLINE_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_DEADLINE_DEADLINE_FILTER_H */ diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/ext/filters/http/client/http_client_filter.c index 4e47c5c658..d8ae080eee 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/ext/filters/http/client/http_client_filter.c @@ -30,7 +30,7 @@ * */ -#include "src/core/lib/channel/http_client_filter.h" +#include "src/core/ext/filters/http/client/http_client_filter.h" #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> @@ -220,10 +220,15 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, call_data *calld = elem->call_data; uint8_t *wrptr = calld->payload_bytes; while (grpc_byte_stream_next( - exec_ctx, calld->send_op->payload->send_message.send_message, - &calld->incoming_slice, ~(size_t)0, &calld->got_slice)) { - memcpy(wrptr, GRPC_SLICE_START_PTR(calld->incoming_slice), - GRPC_SLICE_LENGTH(calld->incoming_slice)); + exec_ctx, calld->send_op->payload->send_message.send_message, ~(size_t)0, + &calld->got_slice)) { + grpc_byte_stream_pull(exec_ctx, + calld->send_op->payload->send_message.send_message, + &calld->incoming_slice); + if (GRPC_SLICE_LENGTH(calld->incoming_slice) > 0) { + memcpy(wrptr, GRPC_SLICE_START_PTR(calld->incoming_slice), + GRPC_SLICE_LENGTH(calld->incoming_slice)); + } wrptr += GRPC_SLICE_LENGTH(calld->incoming_slice); grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { @@ -237,6 +242,13 @@ static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { grpc_call_element *elem = elemp; call_data *calld = elem->call_data; calld->send_message_blocked = false; + if (GRPC_ERROR_NONE != + grpc_byte_stream_pull(exec_ctx, + calld->send_op->payload->send_message.send_message, + &calld->incoming_slice)) { + /* Should never reach here */ + abort(); + } grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { /* Pass down the original send_message op that was blocked.*/ @@ -311,8 +323,7 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, estimated_len += grpc_base64_estimate_encoded_size( op->payload->send_message.send_message->length, k_url_safe, k_multi_line); - estimated_len += 1; /* for the trailing 0 */ - grpc_slice path_with_query_slice = grpc_slice_malloc(estimated_len); + grpc_slice path_with_query_slice = GRPC_SLICE_MALLOC(estimated_len); /* memcopy individual pieces into this slice */ uint8_t *write_ptr = @@ -332,10 +343,8 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, */ char *t = (char *)GRPC_SLICE_START_PTR(path_with_query_slice); /* safe to use strlen since base64_encode will always add '\0' */ - size_t path_length = strlen(t) + 1; - *(t + path_length) = '\0'; path_with_query_slice = - grpc_slice_sub(path_with_query_slice, 0, path_length); + grpc_slice_sub_no_ref(path_with_query_slice, 0, strlen(t)); /* substitute previous path with the new path+query */ grpc_mdelem mdelem_path_and_query = grpc_mdelem_from_slices( @@ -349,7 +358,6 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, calld->on_complete = op->on_complete; op->on_complete = &calld->hc_on_complete; op->send_message = false; - grpc_slice_unref_internal(exec_ctx, path_with_query_slice); } else { /* Not all data is available. Fall back to POST. */ gpr_log(GPR_DEBUG, diff --git a/src/core/lib/channel/http_client_filter.h b/src/core/ext/filters/http/client/http_client_filter.h index 9e6e106e9c..6e1eb3937b 100644 --- a/src/core/lib/channel/http_client_filter.h +++ b/src/core/ext/filters/http/client/http_client_filter.h @@ -30,18 +30,15 @@ * */ -#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H -#define GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H +#define GRPC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H #include "src/core/lib/channel/channel_stack.h" /* Processes metadata on the client side for HTTP2 transports */ extern const grpc_channel_filter grpc_http_client_filter; -/* Channel arg to override the http2 :scheme header */ -#define GRPC_ARG_HTTP2_SCHEME "grpc.http2_scheme" - /* Channel arg to determine maximum size of payload eligable for GET request */ #define GRPC_ARG_MAX_PAYLOAD_SIZE_FOR_GET "grpc.max_payload_size_for_get" -#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_CLIENT_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_HTTP_CLIENT_HTTP_CLIENT_FILTER_H */ diff --git a/src/core/ext/filters/http/http_filters_plugin.c b/src/core/ext/filters/http/http_filters_plugin.c new file mode 100644 index 0000000000..195a1a8119 --- /dev/null +++ b/src/core/ext/filters/http/http_filters_plugin.c @@ -0,0 +1,103 @@ +/* + * + * Copyright 2017, 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 <string.h> + +#include "src/core/ext/filters/http/client/http_client_filter.h" +#include "src/core/ext/filters/http/message_compress/message_compress_filter.h" +#include "src/core/ext/filters/http/server/http_server_filter.h" +#include "src/core/lib/channel/channel_stack_builder.h" +#include "src/core/lib/surface/channel_init.h" +#include "src/core/lib/transport/transport_impl.h" + +typedef struct { + const grpc_channel_filter *filter; + const char *control_channel_arg; +} optional_filter; + +static optional_filter compress_filter = { + &grpc_message_compress_filter, GRPC_ARG_ENABLE_PER_MESSAGE_COMPRESSION}; + +static bool is_building_http_like_transport( + grpc_channel_stack_builder *builder) { + grpc_transport *t = grpc_channel_stack_builder_get_transport(builder); + return t != NULL && strstr(t->vtable->name, "http"); +} + +static bool maybe_add_optional_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, + void *arg) { + if (!is_building_http_like_transport(builder)) return true; + optional_filter *filtarg = arg; + const grpc_channel_args *channel_args = + grpc_channel_stack_builder_get_channel_arguments(builder); + bool enable = grpc_channel_arg_get_bool( + grpc_channel_args_find(channel_args, filtarg->control_channel_arg), + !grpc_channel_args_want_minimal_stack(channel_args)); + return enable ? grpc_channel_stack_builder_prepend_filter( + builder, filtarg->filter, NULL, NULL) + : true; +} + +static bool maybe_add_required_filter(grpc_exec_ctx *exec_ctx, + grpc_channel_stack_builder *builder, + void *arg) { + return is_building_http_like_transport(builder) + ? grpc_channel_stack_builder_prepend_filter( + builder, (const grpc_channel_filter *)arg, NULL, NULL) + : true; +} + +void grpc_http_filters_init(void) { + grpc_register_tracer("compression", &grpc_compression_trace); + grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_optional_filter, &compress_filter); + grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_optional_filter, &compress_filter); + grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_optional_filter, &compress_filter); + grpc_channel_init_register_stage( + GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_required_filter, (void *)&grpc_http_client_filter); + grpc_channel_init_register_stage( + GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_required_filter, (void *)&grpc_http_client_filter); + grpc_channel_init_register_stage( + GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_required_filter, (void *)&grpc_http_server_filter); +} + +void grpc_http_filters_shutdown(void) {} diff --git a/src/core/lib/channel/compress_filter.c b/src/core/ext/filters/http/message_compress/message_compress_filter.c index 4625cba0d2..1da8cf69cb 100644 --- a/src/core/lib/channel/compress_filter.c +++ b/src/core/ext/filters/http/message_compress/message_compress_filter.c @@ -39,8 +39,8 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include "src/core/ext/filters/http/message_compress/message_compress_filter.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/compress_filter.h" #include "src/core/lib/compression/algorithm_metadata.h" #include "src/core/lib/compression/message_compress.h" #include "src/core/lib/profiling/timers.h" @@ -49,7 +49,11 @@ #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" -int grpc_compression_trace = 0; +#define INITIAL_METADATA_UNSEEN 0 +#define HAS_COMPRESSION_ALGORITHM 2 +#define NO_COMPRESSION_ALGORITHM 4 + +#define CANCELLED_BIT ((gpr_atm)1) typedef struct call_data { grpc_slice_buffer slices; /**< Buffers up input slices to be compressed */ @@ -59,8 +63,17 @@ typedef struct call_data { /** Compression algorithm we'll try to use. It may be given by incoming * metadata, or by the channel's default compression settings. */ grpc_compression_algorithm compression_algorithm; - /** If true, contents of \a compression_algorithm are authoritative */ - int has_compression_algorithm; + + /* Atomic recording the state of initial metadata; allowed values: + INITIAL_METADATA_UNSEEN - initial metadata op not seen + HAS_COMPRESSION_ALGORITHM - initial metadata seen; compression algorithm + set + NO_COMPRESSION_ALGORITHM - initial metadata seen; no compression algorithm + set + pointer - a stalled op containing a send_message that's waiting on initial + metadata + pointer | CANCELLED_BIT - request was cancelled with error pointed to */ + gpr_atm send_initial_metadata_state; grpc_transport_stream_op_batch *send_op; uint32_t send_length; @@ -81,14 +94,15 @@ typedef struct channel_data { uint32_t supported_compression_algorithms; } channel_data; -static int skip_compression(grpc_call_element *elem, uint32_t flags) { +static bool skip_compression(grpc_call_element *elem, uint32_t flags, + bool has_compression_algorithm) { call_data *calld = elem->call_data; channel_data *channeld = elem->channel_data; if (flags & (GRPC_WRITE_NO_COMPRESS | GRPC_WRITE_INTERNAL_COMPRESS)) { return 1; } - if (calld->has_compression_algorithm) { + if (has_compression_algorithm) { if (calld->compression_algorithm == GRPC_COMPRESS_NONE) { return 1; } @@ -101,12 +115,14 @@ static int skip_compression(grpc_call_element *elem, uint32_t flags) { /** Filter initial metadata */ static grpc_error *process_send_initial_metadata( grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_metadata_batch *initial_metadata) GRPC_MUST_USE_RESULT; + grpc_metadata_batch *initial_metadata, + bool *has_compression_algorithm) GRPC_MUST_USE_RESULT; static grpc_error *process_send_initial_metadata( grpc_exec_ctx *exec_ctx, grpc_call_element *elem, - grpc_metadata_batch *initial_metadata) { + grpc_metadata_batch *initial_metadata, bool *has_compression_algorithm) { call_data *calld = elem->call_data; channel_data *channeld = elem->channel_data; + *has_compression_algorithm = false; /* Parse incoming request for compression. If any, it'll be available * at calld->compression_algorithm */ if (initial_metadata->idx.named.grpc_internal_encoding_request != NULL) { @@ -130,7 +146,7 @@ static grpc_error *process_send_initial_metadata( gpr_free(val); calld->compression_algorithm = GRPC_COMPRESS_NONE; } - calld->has_compression_algorithm = 1; + *has_compression_algorithm = true; grpc_metadata_batch_remove( exec_ctx, initial_metadata, @@ -140,7 +156,7 @@ static grpc_error *process_send_initial_metadata( * exceptionally skipping compression, fall back to the channel * default */ calld->compression_algorithm = channeld->default_compression_algorithm; - calld->has_compression_algorithm = 1; /* GPR_TRUE */ + *has_compression_algorithm = true; } grpc_error *error = GRPC_ERROR_NONE; @@ -221,6 +237,13 @@ static void finish_send_message(grpc_exec_ctx *exec_ctx, static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, grpc_error *error) { grpc_call_element *elem = elemp; call_data *calld = elem->call_data; + if (GRPC_ERROR_NONE != + grpc_byte_stream_pull(exec_ctx, + calld->send_op->payload->send_message.send_message, + &calld->incoming_slice)) { + /* Should never reach here */ + abort(); + } grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { finish_send_message(exec_ctx, elem); @@ -233,8 +256,11 @@ static void continue_send_message(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { call_data *calld = elem->call_data; while (grpc_byte_stream_next( - exec_ctx, calld->send_op->payload->send_message.send_message, - &calld->incoming_slice, ~(size_t)0, &calld->got_slice)) { + exec_ctx, calld->send_op->payload->send_message.send_message, ~(size_t)0, + &calld->got_slice)) { + grpc_byte_stream_pull(exec_ctx, + calld->send_op->payload->send_message.send_message, + &calld->incoming_slice); grpc_slice_buffer_add(&calld->slices, calld->incoming_slice); if (calld->send_length == calld->slices.length) { finish_send_message(exec_ctx, elem); @@ -250,21 +276,91 @@ static void compress_start_transport_stream_op_batch( GPR_TIMER_BEGIN("compress_start_transport_stream_op_batch", 0); + if (op->cancel_stream) { + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error); + gpr_atm cur = gpr_atm_full_xchg( + &calld->send_initial_metadata_state, + CANCELLED_BIT | (gpr_atm)op->payload->cancel_stream.cancel_error); + switch (cur) { + case HAS_COMPRESSION_ALGORITHM: + case NO_COMPRESSION_ALGORITHM: + case INITIAL_METADATA_UNSEEN: + break; + default: + if ((cur & CANCELLED_BIT) == 0) { + grpc_transport_stream_op_batch_finish_with_failure( + exec_ctx, (grpc_transport_stream_op_batch *)cur, + GRPC_ERROR_REF(op->payload->cancel_stream.cancel_error)); + } else { + GRPC_ERROR_UNREF((grpc_error *)(cur & ~CANCELLED_BIT)); + } + break; + } + } + if (op->send_initial_metadata) { + bool has_compression_algorithm; grpc_error *error = process_send_initial_metadata( exec_ctx, elem, - op->payload->send_initial_metadata.send_initial_metadata); + op->payload->send_initial_metadata.send_initial_metadata, + &has_compression_algorithm); if (error != GRPC_ERROR_NONE) { grpc_transport_stream_op_batch_finish_with_failure(exec_ctx, op, error); return; } + gpr_atm cur; + retry_send_im: + cur = gpr_atm_acq_load(&calld->send_initial_metadata_state); + GPR_ASSERT(cur != HAS_COMPRESSION_ALGORITHM && + cur != NO_COMPRESSION_ALGORITHM); + if ((cur & CANCELLED_BIT) == 0) { + if (!gpr_atm_rel_cas(&calld->send_initial_metadata_state, cur, + has_compression_algorithm + ? HAS_COMPRESSION_ALGORITHM + : NO_COMPRESSION_ALGORITHM)) { + goto retry_send_im; + } + if (cur != INITIAL_METADATA_UNSEEN) { + grpc_call_next_op(exec_ctx, elem, + (grpc_transport_stream_op_batch *)cur); + } + } } - if (op->send_message && - !skip_compression(elem, op->payload->send_message.send_message->flags)) { - calld->send_op = op; - calld->send_length = op->payload->send_message.send_message->length; - calld->send_flags = op->payload->send_message.send_message->flags; - continue_send_message(exec_ctx, elem); + if (op->send_message) { + gpr_atm cur; + retry_send: + cur = gpr_atm_acq_load(&calld->send_initial_metadata_state); + switch (cur) { + case INITIAL_METADATA_UNSEEN: + if (!gpr_atm_rel_cas(&calld->send_initial_metadata_state, cur, + (gpr_atm)op)) { + goto retry_send; + } + break; + case HAS_COMPRESSION_ALGORITHM: + case NO_COMPRESSION_ALGORITHM: + if (!skip_compression(elem, + op->payload->send_message.send_message->flags, + cur == HAS_COMPRESSION_ALGORITHM)) { + calld->send_op = op; + calld->send_length = op->payload->send_message.send_message->length; + calld->send_flags = op->payload->send_message.send_message->flags; + continue_send_message(exec_ctx, elem); + } else { + /* pass control down the stack */ + grpc_call_next_op(exec_ctx, elem, op); + } + break; + default: + if (cur & CANCELLED_BIT) { + grpc_transport_stream_op_batch_finish_with_failure( + exec_ctx, op, + GRPC_ERROR_REF((grpc_error *)(cur & ~CANCELLED_BIT))); + } else { + /* >1 send_message concurrently */ + GPR_UNREACHABLE_CODE(break); + } + } } else { /* pass control down the stack */ grpc_call_next_op(exec_ctx, elem, op); @@ -282,7 +378,6 @@ 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_schedule_on_exec_ctx); grpc_closure_init(&calld->send_done, send_done, elem, @@ -298,6 +393,11 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, /* grab pointers to our data from the call element */ call_data *calld = elem->call_data; grpc_slice_buffer_destroy_internal(exec_ctx, &calld->slices); + gpr_atm imstate = + gpr_atm_no_barrier_load(&calld->send_initial_metadata_state); + if (imstate & CANCELLED_BIT) { + GRPC_ERROR_UNREF((grpc_error *)(imstate & ~CANCELLED_BIT)); + } } /* Constructor for channel_data */ @@ -338,7 +438,7 @@ static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) {} -const grpc_channel_filter grpc_compress_filter = { +const grpc_channel_filter grpc_message_compress_filter = { compress_start_transport_stream_op_batch, grpc_channel_next_op, sizeof(call_data), diff --git a/src/core/lib/channel/compress_filter.h b/src/core/ext/filters/http/message_compress/message_compress_filter.h index e4a2a829d5..75bfa17fba 100644 --- a/src/core/lib/channel/compress_filter.h +++ b/src/core/ext/filters/http/message_compress/message_compress_filter.h @@ -31,8 +31,8 @@ * */ -#ifndef GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H -#define GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H +#define GRPC_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H #include <grpc/impl/codegen/compression_types.h> @@ -62,6 +62,7 @@ extern int grpc_compression_trace; * aforementioned 'grpc-encoding' metadata value, data will pass through * uncompressed. */ -extern const grpc_channel_filter grpc_compress_filter; +extern const grpc_channel_filter grpc_message_compress_filter; -#endif /* GRPC_CORE_LIB_CHANNEL_COMPRESS_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H \ + */ diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/ext/filters/http/server/http_server_filter.c index c1e49ffacc..ff857878e4 100644 --- a/src/core/lib/channel/http_server_filter.c +++ b/src/core/ext/filters/http/server/http_server_filter.c @@ -31,7 +31,7 @@ * */ -#include "src/core/lib/channel/http_server_filter.h" +#include "src/core/ext/filters/http/server/http_server_filter.h" #include <grpc/support/alloc.h> #include <grpc/support/log.h> @@ -240,9 +240,9 @@ static grpc_error *server_filter_incoming_metadata(grpc_exec_ctx *exec_ctx, const int k_url_safe = 1; grpc_slice_buffer_add( &calld->read_slice_buffer, - grpc_base64_decode(exec_ctx, - (const char *)GRPC_SLICE_START_PTR(query_slice), - k_url_safe)); + grpc_base64_decode_with_len( + exec_ctx, (const char *)GRPC_SLICE_START_PTR(query_slice), + GRPC_SLICE_LENGTH(query_slice), k_url_safe)); grpc_slice_buffer_stream_init(&calld->read_stream, &calld->read_slice_buffer, 0); calld->seen_path_with_query = true; diff --git a/src/core/lib/channel/http_server_filter.h b/src/core/ext/filters/http/server/http_server_filter.h index 77ba2d263d..8a2b2196ae 100644 --- a/src/core/lib/channel/http_server_filter.h +++ b/src/core/ext/filters/http/server/http_server_filter.h @@ -31,12 +31,12 @@ * */ -#ifndef GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H -#define GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_HTTP_SERVER_HTTP_SERVER_FILTER_H +#define GRPC_CORE_EXT_FILTERS_HTTP_SERVER_HTTP_SERVER_FILTER_H #include "src/core/lib/channel/channel_stack.h" /* Processes metadata on the client side for HTTP2 transports */ extern const grpc_channel_filter grpc_http_server_filter; -#endif /* GRPC_CORE_LIB_CHANNEL_HTTP_SERVER_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_HTTP_SERVER_HTTP_SERVER_FILTER_H */ diff --git a/src/core/ext/filters/load_reporting/load_reporting.c b/src/core/ext/filters/load_reporting/load_reporting.c index f4dac15a60..4e9d0937ae 100644 --- a/src/core/ext/filters/load_reporting/load_reporting.c +++ b/src/core/ext/filters/load_reporting/load_reporting.c @@ -47,32 +47,9 @@ #include "src/core/lib/surface/call.h" #include "src/core/lib/surface/channel_init.h" -static void destroy_lr_cost_context(void *c) { - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_load_reporting_cost_context *cost_ctx = c; - for (size_t i = 0; i < cost_ctx->values_count; ++i) { - grpc_slice_unref_internal(&exec_ctx, cost_ctx->values[i]); - } - grpc_exec_ctx_finish(&exec_ctx); - gpr_free(cost_ctx->values); - gpr_free(cost_ctx); -} - -void grpc_call_set_load_reporting_cost_context( - grpc_call *call, grpc_load_reporting_cost_context *ctx) { - grpc_call_context_set(call, GRPC_CONTEXT_LR_COST, ctx, - destroy_lr_cost_context); -} - static bool is_load_reporting_enabled(const grpc_channel_args *a) { - if (a == NULL) return false; - for (size_t i = 0; i < a->num_args; i++) { - if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_LOAD_REPORTING)) { - return a->args[i].type == GRPC_ARG_INTEGER && - a->args[i].value.integer != 0; - } - } - return false; + return grpc_channel_arg_get_bool( + grpc_channel_args_find(a, GRPC_ARG_ENABLE_LOAD_REPORTING), false); } static bool maybe_add_load_reporting_filter(grpc_exec_ctx *exec_ctx, diff --git a/src/core/ext/filters/load_reporting/load_reporting_filter.c b/src/core/ext/filters/load_reporting/load_reporting_filter.c index 57b25d0651..75a9a56687 100644 --- a/src/core/ext/filters/load_reporting/load_reporting_filter.c +++ b/src/core/ext/filters/load_reporting/load_reporting_filter.c @@ -48,6 +48,8 @@ typedef struct call_data { intptr_t id; /**< an id unique to the call */ + bool have_trailing_md_string; + grpc_slice trailing_md_string; bool have_initial_md_string; grpc_slice initial_md_string; bool have_service_method; @@ -140,6 +142,9 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, if (calld->have_initial_md_string) { grpc_slice_unref_internal(exec_ctx, calld->initial_md_string); } + if (calld->have_trailing_md_string) { + grpc_slice_unref_internal(exec_ctx, calld->trailing_md_string); + } if (calld->have_service_method) { grpc_slice_unref_internal(exec_ctx, calld->service_method); } @@ -183,6 +188,18 @@ static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, */ } +static grpc_filtered_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; + if (grpc_slice_eq(GRPC_MDKEY(md), GRPC_MDSTR_LB_COST_BIN)) { + calld->trailing_md_string = GRPC_MDVALUE(md); + return GRPC_FILTERED_REMOVE(); + } + return GRPC_FILTERED_MDELEM(md); +} + static void lr_start_transport_stream_op_batch( grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_transport_stream_op_batch *op) { @@ -190,13 +207,21 @@ static void lr_start_transport_stream_op_batch( call_data *calld = elem->call_data; if (op->recv_initial_metadata) { + /* substitute our callback for the higher callback */ calld->recv_initial_metadata = op->payload->recv_initial_metadata.recv_initial_metadata; - /* substitute our callback for the higher callback */ calld->ops_recv_initial_metadata_ready = op->payload->recv_initial_metadata.recv_initial_metadata_ready; op->payload->recv_initial_metadata.recv_initial_metadata_ready = &calld->on_initial_md_ready; + } else if (op->send_trailing_metadata) { + GRPC_LOG_IF_ERROR( + "grpc_metadata_batch_filter", + grpc_metadata_batch_filter( + exec_ctx, + op->payload->send_trailing_metadata.send_trailing_metadata, + lr_trailing_md_filter, elem, + "LR trailing metadata filtering error")); } grpc_call_next_op(exec_ctx, elem, op); diff --git a/src/core/ext/filters/max_age/max_age_filter.c b/src/core/ext/filters/max_age/max_age_filter.c index b9fde36286..a9d91e2f80 100644 --- a/src/core/ext/filters/max_age/max_age_filter.c +++ b/src/core/ext/filters/max_age/max_age_filter.c @@ -47,6 +47,11 @@ #define DEFAULT_MAX_CONNECTION_IDLE_MS INT_MAX #define MAX_CONNECTION_AGE_JITTER 0.1 +#define MAX_CONNECTION_AGE_INTEGER_OPTIONS \ + (grpc_integer_options) { DEFAULT_MAX_CONNECTION_AGE_MS, 1, INT_MAX } +#define MAX_CONNECTION_IDLE_INTEGER_OPTIONS \ + (grpc_integer_options) { DEFAULT_MAX_CONNECTION_IDLE_MS, 1, INT_MAX } + typedef struct channel_data { /* We take a reference to the channel stack for the timer callback */ grpc_channel_stack* channel_stack; @@ -315,8 +320,7 @@ static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, if (0 == strcmp(args->channel_args->args[i].key, GRPC_ARG_MAX_CONNECTION_AGE_MS)) { const int value = grpc_channel_arg_get_integer( - &args->channel_args->args[i], - (grpc_integer_options){DEFAULT_MAX_CONNECTION_AGE_MS, 1, INT_MAX}); + &args->channel_args->args[i], MAX_CONNECTION_AGE_INTEGER_OPTIONS); chand->max_connection_age = value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) @@ -334,8 +338,7 @@ static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, } else if (0 == strcmp(args->channel_args->args[i].key, GRPC_ARG_MAX_CONNECTION_IDLE_MS)) { const int value = grpc_channel_arg_get_integer( - &args->channel_args->args[i], - (grpc_integer_options){DEFAULT_MAX_CONNECTION_IDLE_MS, 1, INT_MAX}); + &args->channel_args->args[i], MAX_CONNECTION_IDLE_INTEGER_OPTIONS); chand->max_connection_idle = value == INT_MAX ? gpr_inf_future(GPR_TIMESPAN) : gpr_time_from_millis(value, GPR_TIMESPAN); @@ -412,16 +415,13 @@ static bool maybe_add_max_age_filter(grpc_exec_ctx* exec_ctx, void* arg) { const grpc_channel_args* channel_args = grpc_channel_stack_builder_get_channel_arguments(builder); - const grpc_arg* a = - grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_AGE_MS); - bool enable = false; - if (a != NULL && a->type == GRPC_ARG_INTEGER && a->value.integer != INT_MAX) { - enable = true; - } - a = grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_IDLE_MS); - if (a != NULL && a->type == GRPC_ARG_INTEGER && a->value.integer != INT_MAX) { - enable = true; - } + bool enable = + grpc_channel_arg_get_integer( + grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_AGE_MS), + MAX_CONNECTION_AGE_INTEGER_OPTIONS) != INT_MAX && + grpc_channel_arg_get_integer( + grpc_channel_args_find(channel_args, GRPC_ARG_MAX_CONNECTION_IDLE_MS), + MAX_CONNECTION_IDLE_INTEGER_OPTIONS) != INT_MAX; if (enable) { return grpc_channel_stack_builder_prepend_filter( builder, &grpc_max_age_filter, NULL, NULL); diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/ext/filters/message_size/message_size_filter.c index c80b48ee13..b615116965 100644 --- a/src/core/lib/channel/message_size_filter.c +++ b/src/core/ext/filters/message_size/message_size_filter.c @@ -29,7 +29,7 @@ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -#include "src/core/lib/channel/message_size_filter.h" +#include "src/core/ext/filters/message_size/message_size_filter.h" #include <limits.h> #include <string.h> @@ -40,7 +40,9 @@ #include <grpc/support/string_util.h> #include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/channel_stack_builder.h" #include "src/core/lib/support/string.h" +#include "src/core/lib/surface/channel_init.h" #include "src/core/lib/transport/service_config.h" typedef struct message_size_limits { @@ -48,19 +50,10 @@ typedef struct message_size_limits { int max_recv_size; } message_size_limits; -static void* message_size_limits_copy(void* value) { - void* new_value = gpr_malloc(sizeof(message_size_limits)); - memcpy(new_value, value, sizeof(message_size_limits)); - return new_value; -} - static void message_size_limits_free(grpc_exec_ctx* exec_ctx, void* value) { gpr_free(value); } -static const grpc_slice_hash_table_vtable message_size_limits_vtable = { - 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; int max_response_message_bytes = -1; @@ -89,8 +82,7 @@ static void* message_size_limits_create_from_json(const grpc_json* json) { } typedef struct call_data { - int max_send_size; - int max_recv_size; + message_size_limits limits; // Receive closures are chained: we inject this closure as the // recv_message_ready up-call on transport_stream_op, and remember to // call our next_recv_message_ready member after handling it. @@ -102,8 +94,7 @@ typedef struct call_data { } call_data; typedef struct channel_data { - int max_send_size; - int max_recv_size; + message_size_limits limits; // Maps path names to message_size_limits structs. grpc_slice_hash_table* method_limit_table; } channel_data; @@ -114,12 +105,12 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, grpc_error* error) { grpc_call_element* elem = user_data; call_data* calld = elem->call_data; - if (*calld->recv_message != NULL && calld->max_recv_size >= 0 && - (*calld->recv_message)->length > (size_t)calld->max_recv_size) { + if (*calld->recv_message != NULL && calld->limits.max_recv_size >= 0 && + (*calld->recv_message)->length > (size_t)calld->limits.max_recv_size) { char* message_string; gpr_asprintf(&message_string, "Received message larger than max (%u vs. %d)", - (*calld->recv_message)->length, calld->max_recv_size); + (*calld->recv_message)->length, calld->limits.max_recv_size); grpc_error* new_error = grpc_error_set_int( GRPC_ERROR_CREATE_FROM_COPIED_STRING(message_string), GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED); @@ -130,6 +121,8 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, GRPC_ERROR_UNREF(new_error); } gpr_free(message_string); + } else { + GRPC_ERROR_REF(error); } // Invoke the next callback. grpc_closure_run(exec_ctx, calld->next_recv_message_ready, error); @@ -141,13 +134,13 @@ static void start_transport_stream_op_batch( grpc_transport_stream_op_batch* op) { call_data* calld = elem->call_data; // Check max send message size. - if (op->send_message && calld->max_send_size >= 0 && + if (op->send_message && calld->limits.max_send_size >= 0 && op->payload->send_message.send_message->length > - (size_t)calld->max_send_size) { + (size_t)calld->limits.max_send_size) { char* message_string; gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %d)", op->payload->send_message.send_message->length, - calld->max_send_size); + calld->limits.max_send_size); grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, op, grpc_error_set_int(GRPC_ERROR_CREATE_FROM_COPIED_STRING(message_string), @@ -180,21 +173,20 @@ static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, // 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 // size to the receive limit. - calld->max_send_size = chand->max_send_size; - calld->max_recv_size = chand->max_recv_size; + calld->limits = chand->limits; if (chand->method_limit_table != NULL) { 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 || - calld->max_send_size < 0)) { - calld->max_send_size = limits->max_send_size; + (limits->max_send_size < calld->limits.max_send_size || + calld->limits.max_send_size < 0)) { + calld->limits.max_send_size = limits->max_send_size; } if (limits->max_recv_size >= 0 && - (limits->max_recv_size < calld->max_recv_size || - calld->max_recv_size < 0)) { - calld->max_recv_size = limits->max_recv_size; + (limits->max_recv_size < calld->limits.max_recv_size || + calld->limits.max_recv_size < 0)) { + calld->limits.max_recv_size = limits->max_recv_size; } } } @@ -206,30 +198,45 @@ static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, const grpc_call_final_info* final_info, grpc_closure* ignored) {} +static int default_size(const grpc_channel_args* args, + int without_minimal_stack) { + if (grpc_channel_args_want_minimal_stack(args)) { + return -1; + } + return without_minimal_stack; +} + +message_size_limits get_message_size_limits( + const grpc_channel_args* channel_args) { + message_size_limits lim; + lim.max_send_size = + default_size(channel_args, GRPC_DEFAULT_MAX_SEND_MESSAGE_LENGTH); + lim.max_recv_size = + default_size(channel_args, GRPC_DEFAULT_MAX_RECV_MESSAGE_LENGTH); + for (size_t i = 0; i < channel_args->num_args; ++i) { + if (strcmp(channel_args->args[i].key, GRPC_ARG_MAX_SEND_MESSAGE_LENGTH) == + 0) { + const grpc_integer_options options = {lim.max_send_size, -1, INT_MAX}; + lim.max_send_size = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + } + if (strcmp(channel_args->args[i].key, + GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH) == 0) { + const grpc_integer_options options = {lim.max_recv_size, -1, INT_MAX}; + lim.max_recv_size = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + } + } + return lim; +} + // Constructor for channel_data. 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; - chand->max_send_size = GRPC_DEFAULT_MAX_SEND_MESSAGE_LENGTH; - chand->max_recv_size = GRPC_DEFAULT_MAX_RECV_MESSAGE_LENGTH; - for (size_t i = 0; i < args->channel_args->num_args; ++i) { - if (strcmp(args->channel_args->args[i].key, - GRPC_ARG_MAX_SEND_MESSAGE_LENGTH) == 0) { - const grpc_integer_options options = { - GRPC_DEFAULT_MAX_SEND_MESSAGE_LENGTH, -1, INT_MAX}; - chand->max_send_size = - grpc_channel_arg_get_integer(&args->channel_args->args[i], options); - } - if (strcmp(args->channel_args->args[i].key, - GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH) == 0) { - const grpc_integer_options options = { - GRPC_DEFAULT_MAX_RECV_MESSAGE_LENGTH, -1, INT_MAX}; - chand->max_recv_size = - grpc_channel_arg_get_integer(&args->channel_args->args[i], options); - } - } + chand->limits = get_message_size_limits(args->channel_args); // Get method config table from channel args. const grpc_arg* channel_arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVICE_CONFIG); @@ -241,7 +248,7 @@ static grpc_error* init_channel_elem(grpc_exec_ctx* exec_ctx, chand->method_limit_table = grpc_service_config_create_method_config_table( exec_ctx, service_config, message_size_limits_create_from_json, - &message_size_limits_vtable); + message_size_limits_free); grpc_service_config_destroy(service_config); } } @@ -268,3 +275,40 @@ const grpc_channel_filter grpc_message_size_filter = { grpc_call_next_get_peer, grpc_channel_next_get_info, "message_size"}; + +static bool maybe_add_message_size_filter(grpc_exec_ctx* exec_ctx, + grpc_channel_stack_builder* builder, + void* arg) { + const grpc_channel_args* channel_args = + grpc_channel_stack_builder_get_channel_arguments(builder); + bool enable = false; + message_size_limits lim = get_message_size_limits(channel_args); + if (lim.max_send_size != -1 || lim.max_recv_size != -1) { + enable = true; + } + const grpc_arg* a = + grpc_channel_args_find(channel_args, GRPC_ARG_SERVICE_CONFIG); + if (a != NULL) { + enable = true; + } + if (enable) { + return grpc_channel_stack_builder_prepend_filter( + builder, &grpc_message_size_filter, NULL, NULL); + } else { + return true; + } +} + +void grpc_message_size_filter_init(void) { + grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_message_size_filter, NULL); + grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_message_size_filter, NULL); + grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, + GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, + maybe_add_message_size_filter, NULL); +} + +void grpc_message_size_filter_shutdown(void) {} diff --git a/src/core/lib/channel/message_size_filter.h b/src/core/ext/filters/message_size/message_size_filter.h index a88ff7f81a..83980e738c 100644 --- a/src/core/lib/channel/message_size_filter.h +++ b/src/core/ext/filters/message_size/message_size_filter.h @@ -29,11 +29,11 @@ // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -#ifndef GRPC_CORE_LIB_CHANNEL_MESSAGE_SIZE_FILTER_H -#define GRPC_CORE_LIB_CHANNEL_MESSAGE_SIZE_FILTER_H +#ifndef GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H +#define GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H #include "src/core/lib/channel/channel_stack.h" extern const grpc_channel_filter grpc_message_size_filter; -#endif /* GRPC_CORE_LIB_CHANNEL_MESSAGE_SIZE_FILTER_H */ +#endif /* GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H */ diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.c b/src/core/ext/transport/chttp2/server/chttp2_server.c index 6433968ca5..b9c62c376a 100644 --- a/src/core/ext/transport/chttp2/server/chttp2_server.c +++ b/src/core/ext/transport/chttp2/server/chttp2_server.c @@ -43,11 +43,11 @@ #include <grpc/support/sync.h> #include <grpc/support/useful.h> +#include "src/core/ext/filters/http/server/http_server_filter.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" @@ -80,7 +80,7 @@ static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, 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); + gpr_log(GPR_DEBUG, "Handshaking failed: %s", error_str); if (error == GRPC_ERROR_NONE && args->endpoint != NULL) { // We were shut down after handshaking completed successfully, so diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c index 8c87de112e..21bed18c9a 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c @@ -169,7 +169,7 @@ grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, } } } - output = grpc_slice_malloc(output_length); + output = GRPC_SLICE_MALLOC(output_length); ctx.input_cur = GRPC_SLICE_START_PTR(input); ctx.input_end = GRPC_SLICE_END_PTR(input); @@ -193,7 +193,7 @@ 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); + grpc_slice output = GRPC_SLICE_MALLOC(output_length); struct grpc_base64_decode_context ctx; // The length of a base64 string cannot be 4 * n + 1 diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c index e301c073f3..3b8ab1f17a 100644 --- a/src/core/ext/transport/chttp2/transport/bin_encoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c @@ -66,7 +66,7 @@ grpc_slice grpc_chttp2_base64_encode(grpc_slice input) { size_t input_triplets = input_length / 3; size_t tail_case = input_length % 3; size_t output_length = input_triplets * 4 + tail_xtra[tail_case]; - grpc_slice output = grpc_slice_malloc(output_length); + grpc_slice output = GRPC_SLICE_MALLOC(output_length); uint8_t *in = GRPC_SLICE_START_PTR(input); char *out = (char *)GRPC_SLICE_START_PTR(output); size_t i; @@ -119,7 +119,7 @@ grpc_slice grpc_chttp2_huffman_compress(grpc_slice input) { nbits += grpc_chttp2_huffsyms[*in].length; } - output = grpc_slice_malloc(nbits / 8 + (nbits % 8 != 0)); + output = GRPC_SLICE_MALLOC(nbits / 8 + (nbits % 8 != 0)); out = GRPC_SLICE_START_PTR(output); for (in = GRPC_SLICE_START_PTR(input); in != GRPC_SLICE_END_PTR(input); ++in) { @@ -184,7 +184,7 @@ grpc_slice grpc_chttp2_base64_encode_and_huffman_compress(grpc_slice input) { size_t output_syms = input_triplets * 4 + tail_xtra[tail_case]; size_t max_output_bits = 11 * output_syms; size_t max_output_length = max_output_bits / 8 + (max_output_bits % 8 != 0); - grpc_slice output = grpc_slice_malloc(max_output_length); + grpc_slice output = GRPC_SLICE_MALLOC(max_output_length); uint8_t *in = GRPC_SLICE_START_PTR(input); uint8_t *start_out = GRPC_SLICE_START_PTR(output); huff_out out; diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index a7d047d6e7..d6b79bd492 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -44,6 +44,7 @@ #include <grpc/support/string_util.h> #include <grpc/support/useful.h> +#include "src/core/ext/transport/chttp2/transport/frame_data.h" #include "src/core/ext/transport/chttp2/transport/internal.h" #include "src/core/ext/transport/chttp2/transport/varint.h" #include "src/core/lib/channel/channel_args.h" @@ -129,6 +130,11 @@ 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 incoming_byte_stream_publish_error( + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, + grpc_error *error); +static void incoming_byte_stream_unref(grpc_exec_ctx *exec_ctx, + grpc_chttp2_incoming_byte_stream *bs); static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); @@ -174,6 +180,9 @@ static void finish_keepalive_ping_locked(grpc_exec_ctx *exec_ctx, void *arg, static void keepalive_watchdog_fired_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); +static void reset_byte_stream(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error); + /******************************************************************************* * CONSTRUCTION/DESTRUCTION/REFCOUNTING */ @@ -550,6 +559,10 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, exec_ctx, &t->keepalive_ping_timer, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), t->keepalive_time), &t->init_keepalive_ping_locked, gpr_now(GPR_CLOCK_MONOTONIC)); + } else { + /* Use GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED to indicate there are no + inflight keeaplive timers */ + t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED; } grpc_chttp2_initiate_write(exec_ctx, t, false, "init"); @@ -598,21 +611,18 @@ static void close_transport_locked(grpc_exec_ctx *exec_ctx, connectivity_state_set(exec_ctx, t, GRPC_CHANNEL_SHUTDOWN, GRPC_ERROR_REF(error), "close_transport"); grpc_endpoint_shutdown(exec_ctx, t->ep, GRPC_ERROR_REF(error)); - if (t->is_client) { - switch (t->keepalive_state) { - case GRPC_CHTTP2_KEEPALIVE_STATE_WAITING: { - grpc_timer_cancel(exec_ctx, &t->keepalive_ping_timer); - break; - } - case GRPC_CHTTP2_KEEPALIVE_STATE_PINGING: { - grpc_timer_cancel(exec_ctx, &t->keepalive_ping_timer); - grpc_timer_cancel(exec_ctx, &t->keepalive_watchdog_timer); - break; - } - case GRPC_CHTTP2_KEEPALIVE_STATE_DYING: { - break; - } - } + switch (t->keepalive_state) { + case GRPC_CHTTP2_KEEPALIVE_STATE_WAITING: + grpc_timer_cancel(exec_ctx, &t->keepalive_ping_timer); + break; + case GRPC_CHTTP2_KEEPALIVE_STATE_PINGING: + grpc_timer_cancel(exec_ctx, &t->keepalive_ping_timer); + grpc_timer_cancel(exec_ctx, &t->keepalive_watchdog_timer); + break; + case GRPC_CHTTP2_KEEPALIVE_STATE_DYING: + case GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED: + /* keepalive timers are not set in these two states */ + break; } /* flush writable stream list to avoid dangling references */ @@ -655,7 +665,6 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, /* We reserve one 'active stream' that's dropped when the stream is read-closed. The others are for incoming_byte_streams that are actively reading */ - gpr_ref_init(&s->active_streams, 1); GRPC_CHTTP2_STREAM_REF(s, "chttp2"); grpc_chttp2_incoming_metadata_buffer_init(&s->metadata_buffer[0], arena); @@ -665,6 +674,11 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, s->deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); grpc_closure_init(&s->complete_fetch_locked, complete_fetch_locked, s, grpc_schedule_on_exec_ctx); + grpc_slice_buffer_init(&s->unprocessed_incoming_frames_buffer); + grpc_slice_buffer_init(&s->frame_storage); + s->pending_byte_stream = false; + grpc_closure_init(&s->reset_byte_stream, reset_byte_stream, s, + grpc_combiner_scheduler(t->combiner, false)); GRPC_CHTTP2_REF_TRANSPORT(t, "stream"); @@ -682,7 +696,6 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, grpc_error *error) { - grpc_byte_stream *bs; grpc_chttp2_stream *s = sp; grpc_chttp2_transport *t = s->t; @@ -693,9 +706,9 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, GPR_ASSERT(grpc_chttp2_stream_map_find(&t->stream_map, s->id) == NULL); } - while ((bs = grpc_chttp2_incoming_frame_queue_pop(&s->incoming_frames))) { - incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); - } + grpc_slice_buffer_destroy_internal(exec_ctx, + &s->unprocessed_incoming_frames_buffer); + grpc_slice_buffer_destroy_internal(exec_ctx, &s->frame_storage); grpc_chttp2_list_remove_stalled_by_transport(t, s); grpc_chttp2_list_remove_stalled_by_stream(t, s); @@ -722,6 +735,7 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, 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); + GRPC_ERROR_UNREF(s->byte_stream_error); if (s->incoming_window_delta > 0) { GRPC_CHTTP2_FLOW_DEBIT_STREAM_INCOMING_WINDOW_DELTA( @@ -1175,8 +1189,9 @@ static void continue_fetching_send_locked(grpc_exec_ctx *exec_ctx, s->fetching_send_message = NULL; return; /* early out */ } else if (grpc_byte_stream_next(exec_ctx, s->fetching_send_message, - &s->fetching_slice, UINT32_MAX, - &s->complete_fetch_locked)) { + UINT32_MAX, &s->complete_fetch_locked)) { + grpc_byte_stream_pull(exec_ctx, s->fetching_send_message, + &s->fetching_slice); add_fetched_slice_locked(exec_ctx, t, s); } } @@ -1187,9 +1202,15 @@ static void complete_fetch_locked(grpc_exec_ctx *exec_ctx, void *gs, grpc_chttp2_stream *s = gs; grpc_chttp2_transport *t = s->t; if (error == GRPC_ERROR_NONE) { - add_fetched_slice_locked(exec_ctx, t, s); - continue_fetching_send_locked(exec_ctx, t, s); - } else { + error = grpc_byte_stream_pull(exec_ctx, s->fetching_send_message, + &s->fetching_slice); + if (error == GRPC_ERROR_NONE) { + add_fetched_slice_locked(exec_ctx, t, s); + continue_fetching_send_locked(exec_ctx, t, s); + } + } + + if (error != GRPC_ERROR_NONE) { /* TODO(ctiller): what to do here */ abort(); } @@ -1421,12 +1442,20 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } if (op->recv_message) { + size_t already_received; GPR_ASSERT(s->recv_message_ready == NULL); + GPR_ASSERT(!s->pending_byte_stream); s->recv_message_ready = op_payload->recv_message.recv_message_ready; s->recv_message = op_payload->recv_message.recv_message; - if (s->id != 0 && - (s->incoming_frames.head == NULL || s->incoming_frames.head->is_tail)) { - incoming_byte_stream_update_flow_control(exec_ctx, t, s, 5, 0); + if (s->id != 0) { + if (s->pending_byte_stream) { + already_received = s->frame_storage.length; + } else { + already_received = s->frame_storage.length + + s->unprocessed_incoming_frames_buffer.length; + } + incoming_byte_stream_update_flow_control(exec_ctx, t, s, 5, + already_received); } grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); } @@ -1614,13 +1643,13 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, void grpc_chttp2_maybe_complete_recv_initial_metadata(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s) { - grpc_byte_stream *bs; if (s->recv_initial_metadata_ready != NULL && s->published_metadata[0] != GRPC_METADATA_NOT_PUBLISHED) { if (s->seen_error) { - while ((bs = grpc_chttp2_incoming_frame_queue_pop(&s->incoming_frames)) != - NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &s->frame_storage); + if (!s->pending_byte_stream) { + grpc_slice_buffer_reset_and_unref_internal( + exec_ctx, &s->unprocessed_incoming_frames_buffer); } } grpc_chttp2_incoming_metadata_buffer_publish( @@ -1633,39 +1662,65 @@ void grpc_chttp2_maybe_complete_recv_initial_metadata(grpc_exec_ctx *exec_ctx, void grpc_chttp2_maybe_complete_recv_message(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s) { - grpc_byte_stream *bs; + grpc_error *error = GRPC_ERROR_NONE; if (s->recv_message_ready != NULL) { - while (s->final_metadata_requested && s->seen_error && - (bs = grpc_chttp2_incoming_frame_queue_pop(&s->incoming_frames)) != - NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); + *s->recv_message = NULL; + if (s->final_metadata_requested && s->seen_error) { + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &s->frame_storage); + if (!s->pending_byte_stream) { + grpc_slice_buffer_reset_and_unref_internal( + exec_ctx, &s->unprocessed_incoming_frames_buffer); + } + } + if (!s->pending_byte_stream) { + while (s->unprocessed_incoming_frames_buffer.length > 0 || + s->frame_storage.length > 0) { + if (s->unprocessed_incoming_frames_buffer.length == 0) { + grpc_slice_buffer_swap(&s->unprocessed_incoming_frames_buffer, + &s->frame_storage); + } + error = grpc_deframe_unprocessed_incoming_frames( + exec_ctx, &s->data_parser, s, + &s->unprocessed_incoming_frames_buffer, NULL, s->recv_message); + if (error != GRPC_ERROR_NONE) { + s->seen_error = true; + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, + &s->frame_storage); + grpc_slice_buffer_reset_and_unref_internal( + exec_ctx, &s->unprocessed_incoming_frames_buffer); + break; + } else if (*s->recv_message != NULL) { + break; + } + } } - if (s->incoming_frames.head != NULL) { - *s->recv_message = - grpc_chttp2_incoming_frame_queue_pop(&s->incoming_frames); - GPR_ASSERT(*s->recv_message != NULL); + if (error == GRPC_ERROR_NONE && *s->recv_message != NULL) { null_then_run_closure(exec_ctx, &s->recv_message_ready, GRPC_ERROR_NONE); } else if (s->published_metadata[1] != GRPC_METADATA_NOT_PUBLISHED) { *s->recv_message = NULL; null_then_run_closure(exec_ctx, &s->recv_message_ready, GRPC_ERROR_NONE); } + GRPC_ERROR_UNREF(error); } } void grpc_chttp2_maybe_complete_recv_trailing_metadata(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s) { - grpc_byte_stream *bs; grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); if (s->recv_trailing_metadata_finished != NULL && s->read_closed && s->write_closed) { if (s->seen_error) { - while ((bs = grpc_chttp2_incoming_frame_queue_pop(&s->incoming_frames)) != - NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &s->frame_storage); + if (!s->pending_byte_stream) { + grpc_slice_buffer_reset_and_unref_internal( + exec_ctx, &s->unprocessed_incoming_frames_buffer); } } - if (s->all_incoming_byte_streams_finished && + bool pending_data = s->pending_byte_stream || + s->unprocessed_incoming_frames_buffer.length > 0; + if (s->read_closed && s->frame_storage.length == 0 && + (!pending_data || s->seen_error) && s->recv_trailing_metadata_finished != NULL) { grpc_chttp2_incoming_metadata_buffer_publish( exec_ctx, &s->metadata_buffer[1], s->recv_trailing_metadata); @@ -1676,14 +1731,6 @@ void grpc_chttp2_maybe_complete_recv_trailing_metadata(grpc_exec_ctx *exec_ctx, } } -static void decrement_active_streams_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s) { - if ((s->all_incoming_byte_streams_finished = gpr_unref(&s->active_streams))) { - grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); - } -} - static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, uint32_t id, grpc_error *error) { grpc_chttp2_stream *s = grpc_chttp2_stream_map_delete(&t->stream_map, id); @@ -1692,10 +1739,19 @@ static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, t->incoming_stream = NULL; grpc_chttp2_parsing_become_skip_parser(exec_ctx, t); } - if (s->data_parser.parsing_frame != NULL) { - grpc_chttp2_incoming_byte_stream_finished( - exec_ctx, s->data_parser.parsing_frame, GRPC_ERROR_REF(error)); - s->data_parser.parsing_frame = NULL; + if (s->pending_byte_stream) { + if (s->on_next != NULL) { + grpc_chttp2_incoming_byte_stream *bs = s->data_parser.parsing_frame; + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Truncated message"); + } + incoming_byte_stream_publish_error(exec_ctx, bs, error); + incoming_byte_stream_unref(exec_ctx, bs); + s->data_parser.parsing_frame = NULL; + } else { + GRPC_ERROR_UNREF(s->byte_stream_error); + s->byte_stream_error = GRPC_ERROR_REF(error); + } } if (grpc_chttp2_stream_map_size(&t->stream_map) == 0) { @@ -1881,7 +1937,6 @@ void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx, s->published_metadata[i] = GPRC_METADATA_PUBLISHED_AT_CLOSE; } } - decrement_active_streams_locked(exec_ctx, t, s); grpc_chttp2_maybe_complete_recv_initial_metadata(exec_ctx, t, s); grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); } @@ -1914,7 +1969,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, the time we got around to sending this, so instead we ignore HPACK compression and just write the uncompressed bytes onto the wire. */ if (!s->sent_initial_metadata) { - http_status_hdr = grpc_slice_malloc(13); + http_status_hdr = GRPC_SLICE_MALLOC(13); p = GRPC_SLICE_START_PTR(http_status_hdr); *p++ = 0x00; *p++ = 7; @@ -1932,7 +1987,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, GPR_ASSERT(p == GRPC_SLICE_END_PTR(http_status_hdr)); len += (uint32_t)GRPC_SLICE_LENGTH(http_status_hdr); - content_type_hdr = grpc_slice_malloc(31); + content_type_hdr = GRPC_SLICE_MALLOC(31); p = GRPC_SLICE_START_PTR(content_type_hdr); *p++ = 0x00; *p++ = 12; @@ -1969,7 +2024,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, len += (uint32_t)GRPC_SLICE_LENGTH(content_type_hdr); } - status_hdr = grpc_slice_malloc(15 + (grpc_status >= 10)); + status_hdr = GRPC_SLICE_MALLOC(15 + (grpc_status >= 10)); p = GRPC_SLICE_START_PTR(status_hdr); *p++ = 0x00; /* literal header, not indexed */ *p++ = 11; /* len(grpc-status) */ @@ -1998,7 +2053,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, size_t msg_len = GRPC_SLICE_LENGTH(slice); GPR_ASSERT(msg_len <= UINT32_MAX); uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 1); - message_pfx = grpc_slice_malloc(14 + msg_len_len); + message_pfx = GRPC_SLICE_MALLOC(14 + msg_len_len); p = GRPC_SLICE_START_PTR(message_pfx); *p++ = 0x00; /* literal header, not indexed */ *p++ = 12; /* len(grpc-message) */ @@ -2020,7 +2075,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx); len += (uint32_t)msg_len; - hdr = grpc_slice_malloc(9); + hdr = GRPC_SLICE_MALLOC(9); p = GRPC_SLICE_START_PTR(hdr); *p++ = (uint8_t)(len >> 16); *p++ = (uint8_t)(len >> 8); @@ -2095,6 +2150,7 @@ static void update_bdp(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, (int)bdp); } push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, bdp); + push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE, bdp); } static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx, @@ -2312,7 +2368,9 @@ static void init_keepalive_ping_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_chttp2_transport *t = arg; GPR_ASSERT(t->keepalive_state == GRPC_CHTTP2_KEEPALIVE_STATE_WAITING); - if (error == GRPC_ERROR_NONE && !(t->destroying || t->closed)) { + if (t->destroying || t->closed) { + t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_DYING; + } else if (error == GRPC_ERROR_NONE) { if (t->keepalive_permit_without_calls || grpc_chttp2_stream_map_size(&t->stream_map) > 0) { t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_PINGING; @@ -2327,7 +2385,7 @@ static void init_keepalive_ping_locked(grpc_exec_ctx *exec_ctx, void *arg, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), t->keepalive_time), &t->init_keepalive_ping_locked, gpr_now(GPR_CLOCK_MONOTONIC)); } - } else if (error == GRPC_ERROR_CANCELLED && !(t->destroying || t->closed)) { + } else if (error == GRPC_ERROR_CANCELLED) { /* The keepalive ping timer may be cancelled by bdp */ GRPC_CHTTP2_REF_TRANSPORT(t, "init keepalive ping"); grpc_timer_init( @@ -2419,12 +2477,28 @@ static void set_pollset_set(grpc_exec_ctx *exec_ctx, grpc_transport *gt, * BYTE STREAM */ +static void reset_byte_stream(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_chttp2_stream *s = (grpc_chttp2_stream *)arg; + + s->pending_byte_stream = false; + if (error == GRPC_ERROR_NONE) { + grpc_chttp2_maybe_complete_recv_message(exec_ctx, s->t, s); + grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, s->t, s); + } else { + GPR_ASSERT(error != GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, s->on_next, GRPC_ERROR_REF(error)); + s->on_next = NULL; + GRPC_ERROR_UNREF(s->byte_stream_error); + s->byte_stream_error = GRPC_ERROR_NONE; + grpc_chttp2_cancel_stream(exec_ctx, s->t, s, GRPC_ERROR_REF(error)); + s->byte_stream_error = error; + } +} + 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_internal(exec_ctx, &bs->slices); - gpr_mu_destroy(&bs->slice_mu); gpr_free(bs); } } @@ -2484,47 +2558,91 @@ static void incoming_byte_stream_next_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t = bs->transport; grpc_chttp2_stream *s = bs->stream; - if (bs->is_tail) { - gpr_mu_lock(&bs->slice_mu); - size_t cur_length = bs->slices.length; - gpr_mu_unlock(&bs->slice_mu); - incoming_byte_stream_update_flow_control( - exec_ctx, t, s, bs->next_action.max_size_hint, cur_length); - } - gpr_mu_lock(&bs->slice_mu); - if (bs->slices.count > 0) { - *bs->next_action.slice = grpc_slice_buffer_take_first(&bs->slices); - grpc_closure_run(exec_ctx, bs->next_action.on_complete, GRPC_ERROR_NONE); - } else if (bs->error != GRPC_ERROR_NONE) { - grpc_closure_run(exec_ctx, bs->next_action.on_complete, - GRPC_ERROR_REF(bs->error)); + size_t cur_length = s->frame_storage.length; + incoming_byte_stream_update_flow_control( + exec_ctx, t, s, bs->next_action.max_size_hint, cur_length); + + GPR_ASSERT(s->unprocessed_incoming_frames_buffer.length == 0); + if (s->frame_storage.length > 0) { + grpc_slice_buffer_swap(&s->frame_storage, + &s->unprocessed_incoming_frames_buffer); + grpc_closure_sched(exec_ctx, bs->next_action.on_complete, GRPC_ERROR_NONE); + } else if (s->byte_stream_error != GRPC_ERROR_NONE) { + grpc_closure_sched(exec_ctx, bs->next_action.on_complete, + GRPC_ERROR_REF(s->byte_stream_error)); + if (s->data_parser.parsing_frame != NULL) { + incoming_byte_stream_unref(exec_ctx, s->data_parser.parsing_frame); + s->data_parser.parsing_frame = NULL; + } + } else if (s->read_closed) { + if (bs->remaining_bytes != 0) { + s->byte_stream_error = + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Truncated message"); + grpc_closure_sched(exec_ctx, bs->next_action.on_complete, + GRPC_ERROR_REF(s->byte_stream_error)); + if (s->data_parser.parsing_frame != NULL) { + incoming_byte_stream_unref(exec_ctx, s->data_parser.parsing_frame); + s->data_parser.parsing_frame = NULL; + } + } else { + /* Should never reach here. */ + GPR_ASSERT(false); + } } else { - bs->on_next = bs->next_action.on_complete; - bs->next = bs->next_action.slice; + s->on_next = bs->next_action.on_complete; } - gpr_mu_unlock(&bs->slice_mu); incoming_byte_stream_unref(exec_ctx, bs); } -static int incoming_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) { +static bool incoming_byte_stream_next(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + size_t max_size_hint, + grpc_closure *on_complete) { GPR_TIMER_BEGIN("incoming_byte_stream_next", 0); grpc_chttp2_incoming_byte_stream *bs = (grpc_chttp2_incoming_byte_stream *)byte_stream; - gpr_ref(&bs->refs); - bs->next_action.slice = slice; - bs->next_action.max_size_hint = max_size_hint; - bs->next_action.on_complete = on_complete; - 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; + grpc_chttp2_stream *s = bs->stream; + if (s->unprocessed_incoming_frames_buffer.length > 0) { + GPR_TIMER_END("incoming_byte_stream_next", 0); + return true; + } else { + gpr_ref(&bs->refs); + bs->next_action.max_size_hint = max_size_hint; + bs->next_action.on_complete = on_complete; + 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 false; + } +} + +static grpc_error *incoming_byte_stream_pull(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + grpc_slice *slice) { + GPR_TIMER_BEGIN("incoming_byte_stream_pull", 0); + grpc_chttp2_incoming_byte_stream *bs = + (grpc_chttp2_incoming_byte_stream *)byte_stream; + grpc_chttp2_stream *s = bs->stream; + + if (s->unprocessed_incoming_frames_buffer.length > 0) { + grpc_error *error = grpc_deframe_unprocessed_incoming_frames( + exec_ctx, &s->data_parser, s, &s->unprocessed_incoming_frames_buffer, + slice, NULL); + if (error != GRPC_ERROR_NONE) { + return error; + } + } else { + grpc_error *error = + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Truncated message"); + grpc_closure_sched(exec_ctx, &s->reset_byte_stream, GRPC_ERROR_REF(error)); + return error; + } + GPR_TIMER_END("incoming_byte_stream_pull", 0); + return GRPC_ERROR_NONE; } static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, @@ -2534,9 +2652,14 @@ static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, void *byte_stream, grpc_error *error_ignored) { grpc_chttp2_incoming_byte_stream *bs = byte_stream; + grpc_chttp2_stream *s = bs->stream; + grpc_chttp2_transport *t = s->t; + GPR_ASSERT(bs->base.destroy == incoming_byte_stream_destroy); - decrement_active_streams_locked(exec_ctx, bs->transport, bs->stream); incoming_byte_stream_unref(exec_ctx, bs); + s->pending_byte_stream = false; + grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); + grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, @@ -2556,50 +2679,53 @@ static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, static void incoming_byte_stream_publish_error( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, grpc_error *error) { + grpc_chttp2_stream *s = bs->stream; + GPR_ASSERT(error != GRPC_ERROR_NONE); - grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error)); - bs->on_next = NULL; - GRPC_ERROR_UNREF(bs->error); + grpc_closure_sched(exec_ctx, s->on_next, GRPC_ERROR_REF(error)); + s->on_next = NULL; + GRPC_ERROR_UNREF(s->byte_stream_error); + s->byte_stream_error = GRPC_ERROR_REF(error); grpc_chttp2_cancel_stream(exec_ctx, bs->transport, bs->stream, GRPC_ERROR_REF(error)); - bs->error = error; } -void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, - grpc_chttp2_incoming_byte_stream *bs, - grpc_slice slice) { - gpr_mu_lock(&bs->slice_mu); +grpc_error *grpc_chttp2_incoming_byte_stream_push( + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, + grpc_slice slice, grpc_slice *slice_out) { + grpc_chttp2_stream *s = bs->stream; + if (bs->remaining_bytes < GRPC_SLICE_LENGTH(slice)) { - incoming_byte_stream_publish_error( - exec_ctx, bs, - GRPC_ERROR_CREATE_FROM_STATIC_STRING("Too many bytes in stream")); + grpc_error *error = + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Too many bytes in stream"); + + grpc_closure_sched(exec_ctx, &s->reset_byte_stream, GRPC_ERROR_REF(error)); + grpc_slice_unref_internal(exec_ctx, slice); + return error; } else { bs->remaining_bytes -= (uint32_t)GRPC_SLICE_LENGTH(slice); - if (bs->on_next != NULL) { - *bs->next = slice; - grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE); - bs->on_next = NULL; - } else { - grpc_slice_buffer_add(&bs->slices, slice); + if (slice_out != NULL) { + *slice_out = slice; } + return GRPC_ERROR_NONE; } - gpr_mu_unlock(&bs->slice_mu); } -void grpc_chttp2_incoming_byte_stream_finished( +grpc_error *grpc_chttp2_incoming_byte_stream_finished( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, - grpc_error *error) { + grpc_error *error, bool reset_on_error) { + grpc_chttp2_stream *s = bs->stream; + if (error == GRPC_ERROR_NONE) { - gpr_mu_lock(&bs->slice_mu); if (bs->remaining_bytes != 0) { error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Truncated message"); } - gpr_mu_unlock(&bs->slice_mu); } - if (error != GRPC_ERROR_NONE) { - incoming_byte_stream_publish_error(exec_ctx, bs, error); + if (error != GRPC_ERROR_NONE && reset_on_error) { + grpc_closure_sched(exec_ctx, &s->reset_byte_stream, GRPC_ERROR_REF(error)); } incoming_byte_stream_unref(exec_ctx, bs); + return error; } grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create( @@ -2611,26 +2737,12 @@ grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create( incoming_byte_stream->remaining_bytes = frame_size; incoming_byte_stream->base.flags = flags; incoming_byte_stream->base.next = incoming_byte_stream_next; + incoming_byte_stream->base.pull = incoming_byte_stream_pull; incoming_byte_stream->base.destroy = incoming_byte_stream_destroy; - gpr_mu_init(&incoming_byte_stream->slice_mu); gpr_ref_init(&incoming_byte_stream->refs, 2); - incoming_byte_stream->next_message = NULL; incoming_byte_stream->transport = t; incoming_byte_stream->stream = s; - gpr_ref(&incoming_byte_stream->stream->active_streams); - grpc_slice_buffer_init(&incoming_byte_stream->slices); - incoming_byte_stream->on_next = NULL; - incoming_byte_stream->is_tail = 1; - incoming_byte_stream->error = GRPC_ERROR_NONE; - grpc_chttp2_incoming_frame_queue *q = &s->incoming_frames; - if (q->head == NULL) { - q->head = incoming_byte_stream; - } else { - q->tail->is_tail = 0; - q->tail->next_message = incoming_byte_stream; - } - q->tail = incoming_byte_stream; - grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); + s->byte_stream_error = GRPC_ERROR_NONE; return incoming_byte_stream; } diff --git a/src/core/ext/transport/chttp2/transport/frame_data.c b/src/core/ext/transport/chttp2/transport/frame_data.c index 6e9258ee7e..8cb8489794 100644 --- a/src/core/ext/transport/chttp2/transport/frame_data.c +++ b/src/core/ext/transport/chttp2/transport/frame_data.c @@ -40,6 +40,7 @@ #include <grpc/support/string_util.h> #include <grpc/support/useful.h> #include "src/core/ext/transport/chttp2/transport/internal.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.h" @@ -53,16 +54,17 @@ grpc_error *grpc_chttp2_data_parser_init(grpc_chttp2_data_parser *parser) { void grpc_chttp2_data_parser_destroy(grpc_exec_ctx *exec_ctx, grpc_chttp2_data_parser *parser) { if (parser->parsing_frame != NULL) { - grpc_chttp2_incoming_byte_stream_finished( + GRPC_ERROR_UNREF(grpc_chttp2_incoming_byte_stream_finished( exec_ctx, parser->parsing_frame, - GRPC_ERROR_CREATE_FROM_STATIC_STRING("Parser destroyed")); + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Parser destroyed"), false)); } GRPC_ERROR_UNREF(parser->error); } grpc_error *grpc_chttp2_data_parser_begin_frame(grpc_chttp2_data_parser *parser, uint8_t flags, - uint32_t stream_id) { + uint32_t stream_id, + grpc_chttp2_stream *s) { if (flags & ~GRPC_CHTTP2_DATA_FLAG_END_STREAM) { char *msg; gpr_asprintf(&msg, "unsupported data flags: 0x%02x", flags); @@ -74,47 +76,14 @@ grpc_error *grpc_chttp2_data_parser_begin_frame(grpc_chttp2_data_parser *parser, } if (flags & GRPC_CHTTP2_DATA_FLAG_END_STREAM) { - parser->is_last_frame = 1; + s->received_last_frame = true; } else { - parser->is_last_frame = 0; + s->received_last_frame = false; } return GRPC_ERROR_NONE; } -void grpc_chttp2_incoming_frame_queue_merge( - grpc_chttp2_incoming_frame_queue *head_dst, - grpc_chttp2_incoming_frame_queue *tail_src) { - if (tail_src->head == NULL) { - return; - } - - if (head_dst->head == NULL) { - *head_dst = *tail_src; - memset(tail_src, 0, sizeof(*tail_src)); - return; - } - - head_dst->tail->next_message = tail_src->head; - head_dst->tail = tail_src->tail; - memset(tail_src, 0, sizeof(*tail_src)); -} - -grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop( - grpc_chttp2_incoming_frame_queue *q) { - grpc_byte_stream *out; - if (q->head == NULL) { - return NULL; - } - out = &q->head->base; - if (q->head == q->tail) { - memset(q, 0, sizeof(*q)); - } else { - q->head = q->head->next_message; - } - return out; -} - void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, uint32_t write_bytes, int is_eof, grpc_transport_one_way_stats *stats, @@ -123,7 +92,7 @@ void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, uint8_t *p; static const size_t header_size = 9; - hdr = grpc_slice_malloc(header_size); + hdr = GRPC_SLICE_MALLOC(header_size); p = GRPC_SLICE_START_PTR(hdr); GPR_ASSERT(write_bytes < (1 << 24)); *p++ = (uint8_t)(write_bytes >> 16); @@ -137,151 +106,221 @@ void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, *p++ = (uint8_t)(id); grpc_slice_buffer_add(outbuf, hdr); - grpc_slice_buffer_move_first(inbuf, write_bytes, outbuf); + grpc_slice_buffer_move_first_no_ref(inbuf, write_bytes, outbuf); stats->framing_bytes += header_size; stats->data_bytes += write_bytes; } -static grpc_error *parse_inner(grpc_exec_ctx *exec_ctx, - grpc_chttp2_data_parser *p, - grpc_chttp2_transport *t, grpc_chttp2_stream *s, - grpc_slice slice) { - uint8_t *const beg = GRPC_SLICE_START_PTR(slice); - uint8_t *const end = GRPC_SLICE_END_PTR(slice); - uint8_t *cur = beg; - uint32_t message_flags; - grpc_chttp2_incoming_byte_stream *incoming_byte_stream; - char *msg; +grpc_error *grpc_deframe_unprocessed_incoming_frames( + grpc_exec_ctx *exec_ctx, grpc_chttp2_data_parser *p, grpc_chttp2_stream *s, + grpc_slice_buffer *slices, grpc_slice *slice_out, + grpc_byte_stream **stream_out) { + grpc_error *error = GRPC_ERROR_NONE; + grpc_chttp2_transport *t = s->t; - if (cur == end) { - return GRPC_ERROR_NONE; - } + while (slices->count > 0) { + uint8_t *beg = NULL; + uint8_t *end = NULL; + uint8_t *cur = NULL; - switch (p->state) { - case GRPC_CHTTP2_DATA_ERROR: - p->state = GRPC_CHTTP2_DATA_ERROR; - return GRPC_ERROR_REF(p->error); - fh_0: - case GRPC_CHTTP2_DATA_FH_0: - s->stats.incoming.framing_bytes++; - p->frame_type = *cur; - switch (p->frame_type) { - case 0: - p->is_frame_compressed = 0; /* GPR_FALSE */ - break; - case 1: - p->is_frame_compressed = 1; /* GPR_TRUE */ - break; - default: - gpr_asprintf(&msg, "Bad GRPC frame type 0x%02x", p->frame_type); - p->error = GRPC_ERROR_CREATE_FROM_COPIED_STRING(msg); - p->error = grpc_error_set_int(p->error, GRPC_ERROR_INT_STREAM_ID, - (intptr_t)s->id); - gpr_free(msg); - msg = grpc_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII); - p->error = grpc_error_set_str(p->error, GRPC_ERROR_STR_RAW_BYTES, - grpc_slice_from_copied_string(msg)); - gpr_free(msg); - p->error = - grpc_error_set_int(p->error, GRPC_ERROR_INT_OFFSET, cur - beg); - p->state = GRPC_CHTTP2_DATA_ERROR; - return GRPC_ERROR_REF(p->error); - } - if (++cur == end) { - p->state = GRPC_CHTTP2_DATA_FH_1; - return GRPC_ERROR_NONE; - } - /* fallthrough */ - case GRPC_CHTTP2_DATA_FH_1: - s->stats.incoming.framing_bytes++; - p->frame_size = ((uint32_t)*cur) << 24; - if (++cur == end) { - p->state = GRPC_CHTTP2_DATA_FH_2; - return GRPC_ERROR_NONE; - } - /* fallthrough */ - case GRPC_CHTTP2_DATA_FH_2: - s->stats.incoming.framing_bytes++; - p->frame_size |= ((uint32_t)*cur) << 16; - if (++cur == end) { - p->state = GRPC_CHTTP2_DATA_FH_3; - return GRPC_ERROR_NONE; - } - /* fallthrough */ - case GRPC_CHTTP2_DATA_FH_3: - s->stats.incoming.framing_bytes++; - p->frame_size |= ((uint32_t)*cur) << 8; - if (++cur == end) { - p->state = GRPC_CHTTP2_DATA_FH_4; - return GRPC_ERROR_NONE; - } - /* fallthrough */ - case GRPC_CHTTP2_DATA_FH_4: - s->stats.incoming.framing_bytes++; - p->frame_size |= ((uint32_t)*cur); - p->state = GRPC_CHTTP2_DATA_FRAME; - ++cur; - message_flags = 0; - if (p->is_frame_compressed) { - message_flags |= GRPC_WRITE_INTERNAL_COMPRESS; - } - p->parsing_frame = incoming_byte_stream = - grpc_chttp2_incoming_byte_stream_create(exec_ctx, t, s, p->frame_size, - message_flags); - /* fallthrough */ - case GRPC_CHTTP2_DATA_FRAME: - if (cur == end) { - return GRPC_ERROR_NONE; - } - uint32_t remaining = (uint32_t)(end - cur); - if (remaining == p->frame_size) { - s->stats.incoming.data_bytes += p->frame_size; - grpc_chttp2_incoming_byte_stream_push( - exec_ctx, p->parsing_frame, - grpc_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg))); - grpc_chttp2_incoming_byte_stream_finished(exec_ctx, p->parsing_frame, - GRPC_ERROR_NONE); - p->parsing_frame = NULL; - p->state = GRPC_CHTTP2_DATA_FH_0; - return GRPC_ERROR_NONE; - } else if (remaining > p->frame_size) { - s->stats.incoming.data_bytes += p->frame_size; - grpc_chttp2_incoming_byte_stream_push( - exec_ctx, p->parsing_frame, - grpc_slice_sub(slice, (size_t)(cur - beg), - (size_t)(cur + p->frame_size - beg))); - grpc_chttp2_incoming_byte_stream_finished(exec_ctx, p->parsing_frame, - GRPC_ERROR_NONE); - p->parsing_frame = NULL; - cur += p->frame_size; - goto fh_0; /* loop */ - } else { - GPR_ASSERT(remaining <= p->frame_size); - grpc_chttp2_incoming_byte_stream_push( - exec_ctx, p->parsing_frame, - grpc_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg))); - p->frame_size -= remaining; - s->stats.incoming.data_bytes += remaining; + grpc_slice slice = grpc_slice_buffer_take_first(slices); + + beg = GRPC_SLICE_START_PTR(slice); + end = GRPC_SLICE_END_PTR(slice); + cur = beg; + uint32_t message_flags; + char *msg; + + if (cur == end) { + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + + switch (p->state) { + case GRPC_CHTTP2_DATA_ERROR: + p->state = GRPC_CHTTP2_DATA_ERROR; + grpc_slice_unref_internal(exec_ctx, slice); + return GRPC_ERROR_REF(p->error); + case GRPC_CHTTP2_DATA_FH_0: + p->frame_type = *cur; + switch (p->frame_type) { + case 0: + p->is_frame_compressed = false; /* GPR_FALSE */ + break; + case 1: + p->is_frame_compressed = true; /* GPR_TRUE */ + break; + default: + gpr_asprintf(&msg, "Bad GRPC frame type 0x%02x", p->frame_type); + p->error = GRPC_ERROR_CREATE_FROM_COPIED_STRING(msg); + p->error = grpc_error_set_int(p->error, GRPC_ERROR_INT_STREAM_ID, + (intptr_t)s->id); + gpr_free(msg); + msg = grpc_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII); + p->error = grpc_error_set_str(p->error, GRPC_ERROR_STR_RAW_BYTES, + grpc_slice_from_copied_string(msg)); + gpr_free(msg); + p->error = + grpc_error_set_int(p->error, GRPC_ERROR_INT_OFFSET, cur - beg); + p->state = GRPC_CHTTP2_DATA_ERROR; + grpc_slice_unref_internal(exec_ctx, slice); + return GRPC_ERROR_REF(p->error); + } + if (++cur == end) { + p->state = GRPC_CHTTP2_DATA_FH_1; + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + /* fallthrough */ + case GRPC_CHTTP2_DATA_FH_1: + p->frame_size = ((uint32_t)*cur) << 24; + if (++cur == end) { + p->state = GRPC_CHTTP2_DATA_FH_2; + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + /* fallthrough */ + case GRPC_CHTTP2_DATA_FH_2: + p->frame_size |= ((uint32_t)*cur) << 16; + if (++cur == end) { + p->state = GRPC_CHTTP2_DATA_FH_3; + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + /* fallthrough */ + case GRPC_CHTTP2_DATA_FH_3: + p->frame_size |= ((uint32_t)*cur) << 8; + if (++cur == end) { + p->state = GRPC_CHTTP2_DATA_FH_4; + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + /* fallthrough */ + case GRPC_CHTTP2_DATA_FH_4: + GPR_ASSERT(stream_out != NULL); + GPR_ASSERT(p->parsing_frame == NULL); + p->frame_size |= ((uint32_t)*cur); + p->state = GRPC_CHTTP2_DATA_FRAME; + ++cur; + message_flags = 0; + if (p->is_frame_compressed) { + message_flags |= GRPC_WRITE_INTERNAL_COMPRESS; + } + p->parsing_frame = grpc_chttp2_incoming_byte_stream_create( + exec_ctx, t, s, p->frame_size, message_flags); + *stream_out = &p->parsing_frame->base; + if (p->parsing_frame->remaining_bytes == 0) { + GRPC_ERROR_UNREF(grpc_chttp2_incoming_byte_stream_finished( + exec_ctx, p->parsing_frame, GRPC_ERROR_NONE, true)); + p->parsing_frame = NULL; + p->state = GRPC_CHTTP2_DATA_FH_0; + } + s->pending_byte_stream = true; + + if (cur != end) { + grpc_slice_buffer_undo_take_first( + &s->unprocessed_incoming_frames_buffer, + grpc_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg))); + } + grpc_slice_unref_internal(exec_ctx, slice); return GRPC_ERROR_NONE; + case GRPC_CHTTP2_DATA_FRAME: { + GPR_ASSERT(p->parsing_frame != NULL); + GPR_ASSERT(slice_out != NULL); + if (cur == end) { + grpc_slice_unref_internal(exec_ctx, slice); + continue; + } + uint32_t remaining = (uint32_t)(end - cur); + if (remaining == p->frame_size) { + if (GRPC_ERROR_NONE != (error = grpc_chttp2_incoming_byte_stream_push( + exec_ctx, p->parsing_frame, + grpc_slice_sub(slice, (size_t)(cur - beg), + (size_t)(end - beg)), + slice_out))) { + grpc_slice_unref_internal(exec_ctx, slice); + return error; + } + if (GRPC_ERROR_NONE != + (error = grpc_chttp2_incoming_byte_stream_finished( + exec_ctx, p->parsing_frame, GRPC_ERROR_NONE, true))) { + grpc_slice_unref_internal(exec_ctx, slice); + return error; + } + p->parsing_frame = NULL; + p->state = GRPC_CHTTP2_DATA_FH_0; + grpc_slice_unref_internal(exec_ctx, slice); + return GRPC_ERROR_NONE; + } else if (remaining < p->frame_size) { + if (GRPC_ERROR_NONE != (error = grpc_chttp2_incoming_byte_stream_push( + exec_ctx, p->parsing_frame, + grpc_slice_sub(slice, (size_t)(cur - beg), + (size_t)(end - beg)), + slice_out))) { + return error; + } + p->frame_size -= remaining; + grpc_slice_unref_internal(exec_ctx, slice); + return GRPC_ERROR_NONE; + } else { + GPR_ASSERT(remaining > p->frame_size); + if (GRPC_ERROR_NONE != + (grpc_chttp2_incoming_byte_stream_push( + exec_ctx, p->parsing_frame, + grpc_slice_sub(slice, (size_t)(cur - beg), + (size_t)(cur + p->frame_size - beg)), + slice_out))) { + grpc_slice_unref_internal(exec_ctx, slice); + return error; + } + if (GRPC_ERROR_NONE != + (error = grpc_chttp2_incoming_byte_stream_finished( + exec_ctx, p->parsing_frame, GRPC_ERROR_NONE, true))) { + grpc_slice_unref_internal(exec_ctx, slice); + return error; + } + p->parsing_frame = NULL; + p->state = GRPC_CHTTP2_DATA_FH_0; + cur += p->frame_size; + grpc_slice_buffer_undo_take_first( + &s->unprocessed_incoming_frames_buffer, + grpc_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg))); + grpc_slice_unref_internal(exec_ctx, slice); + return GRPC_ERROR_NONE; + } } + } } - GPR_UNREACHABLE_CODE( - return GRPC_ERROR_CREATE_FROM_STATIC_STRING("Should never reach here")); + return GRPC_ERROR_NONE; } grpc_error *grpc_chttp2_data_parser_parse(grpc_exec_ctx *exec_ctx, void *parser, grpc_chttp2_transport *t, grpc_chttp2_stream *s, grpc_slice slice, int is_last) { - grpc_chttp2_data_parser *p = parser; - grpc_error *error = parse_inner(exec_ctx, p, t, s, slice); + /* grpc_error *error = parse_inner_buffer(exec_ctx, p, t, s, slice); */ + s->stats.incoming.framing_bytes += GRPC_SLICE_LENGTH(slice); + if (!s->pending_byte_stream) { + grpc_slice_ref_internal(slice); + grpc_slice_buffer_add(&s->frame_storage, slice); + grpc_chttp2_maybe_complete_recv_message(exec_ctx, t, s); + } else if (s->on_next) { + GPR_ASSERT(s->frame_storage.length == 0); + grpc_slice_ref_internal(slice); + grpc_slice_buffer_add(&s->unprocessed_incoming_frames_buffer, slice); + grpc_closure_sched(exec_ctx, s->on_next, GRPC_ERROR_NONE); + s->on_next = NULL; + } else { + grpc_slice_ref_internal(slice); + grpc_slice_buffer_add(&s->frame_storage, slice); + } - if (is_last && p->is_last_frame) { + if (is_last && s->received_last_frame) { grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, false, GRPC_ERROR_NONE); } - return error; + return GRPC_ERROR_NONE; } diff --git a/src/core/ext/transport/chttp2/transport/frame_data.h b/src/core/ext/transport/chttp2/transport/frame_data.h index 264ad14608..9ed4ad0f21 100644 --- a/src/core/ext/transport/chttp2/transport/frame_data.h +++ b/src/core/ext/transport/chttp2/transport/frame_data.h @@ -56,28 +56,16 @@ typedef enum { typedef struct grpc_chttp2_incoming_byte_stream grpc_chttp2_incoming_byte_stream; -typedef struct grpc_chttp2_incoming_frame_queue { - grpc_chttp2_incoming_byte_stream *head; - grpc_chttp2_incoming_byte_stream *tail; -} grpc_chttp2_incoming_frame_queue; - typedef struct { grpc_chttp2_stream_state state; - uint8_t is_last_frame; uint8_t frame_type; uint32_t frame_size; grpc_error *error; - int is_frame_compressed; + bool is_frame_compressed; grpc_chttp2_incoming_byte_stream *parsing_frame; } grpc_chttp2_data_parser; -void grpc_chttp2_incoming_frame_queue_merge( - grpc_chttp2_incoming_frame_queue *head_dst, - grpc_chttp2_incoming_frame_queue *tail_src); -grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop( - grpc_chttp2_incoming_frame_queue *q); - /* initialize per-stream state for data frame parsing */ grpc_error *grpc_chttp2_data_parser_init(grpc_chttp2_data_parser *parser); @@ -87,7 +75,8 @@ void grpc_chttp2_data_parser_destroy(grpc_exec_ctx *exec_ctx, /* start processing a new data frame */ grpc_error *grpc_chttp2_data_parser_begin_frame(grpc_chttp2_data_parser *parser, uint8_t flags, - uint32_t stream_id); + uint32_t stream_id, + grpc_chttp2_stream *s); /* handle a slice of a data frame - is_last indicates the last slice of a frame */ @@ -101,4 +90,9 @@ void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, grpc_transport_one_way_stats *stats, grpc_slice_buffer *outbuf); +grpc_error *grpc_deframe_unprocessed_incoming_frames( + grpc_exec_ctx *exec_ctx, grpc_chttp2_data_parser *p, grpc_chttp2_stream *s, + grpc_slice_buffer *slices, grpc_slice *slice_out, + grpc_byte_stream **stream_out); + #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_DATA_H */ diff --git a/src/core/ext/transport/chttp2/transport/frame_goaway.c b/src/core/ext/transport/chttp2/transport/frame_goaway.c index 001271dd22..0f1c8b0772 100644 --- a/src/core/ext/transport/chttp2/transport/frame_goaway.c +++ b/src/core/ext/transport/chttp2/transport/frame_goaway.c @@ -163,7 +163,7 @@ grpc_error *grpc_chttp2_goaway_parser_parse(grpc_exec_ctx *exec_ctx, void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code, grpc_slice debug_data, grpc_slice_buffer *slice_buffer) { - grpc_slice header = grpc_slice_malloc(9 + 4 + 4); + grpc_slice header = GRPC_SLICE_MALLOC(9 + 4 + 4); uint8_t *p = GRPC_SLICE_START_PTR(header); uint32_t frame_length; GPR_ASSERT(GRPC_SLICE_LENGTH(debug_data) < UINT32_MAX - 4 - 4); diff --git a/src/core/ext/transport/chttp2/transport/frame_ping.c b/src/core/ext/transport/chttp2/transport/frame_ping.c index 6016e43127..f09ca60739 100644 --- a/src/core/ext/transport/chttp2/transport/frame_ping.c +++ b/src/core/ext/transport/chttp2/transport/frame_ping.c @@ -43,7 +43,7 @@ static bool g_disable_ping_ack = false; grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes) { - grpc_slice slice = grpc_slice_malloc(9 + 8); + grpc_slice slice = GRPC_SLICE_MALLOC(9 + 8); uint8_t *p = GRPC_SLICE_START_PTR(slice); *p++ = 0; 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 225f15c77c..e0caa50e92 100644 --- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c +++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c @@ -44,7 +44,7 @@ grpc_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code, grpc_transport_one_way_stats *stats) { static const size_t frame_size = 13; - grpc_slice slice = grpc_slice_malloc(frame_size); + grpc_slice slice = GRPC_SLICE_MALLOC(frame_size); stats->framing_bytes += frame_size; uint8_t *p = GRPC_SLICE_START_PTR(slice); diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c index 4f2b827832..e3cd70d3f3 100644 --- a/src/core/ext/transport/chttp2/transport/frame_settings.c +++ b/src/core/ext/transport/chttp2/transport/frame_settings.c @@ -70,7 +70,7 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new, n += (new[i] != old[i] || (force_mask & (1u << i)) != 0); } - output = grpc_slice_malloc(9 + 6 * n); + output = GRPC_SLICE_MALLOC(9 + 6 * n); p = fill_header(GRPC_SLICE_START_PTR(output), 6 * n, 0); for (i = 0; i < count; i++) { @@ -91,7 +91,7 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new, } grpc_slice grpc_chttp2_settings_ack_create(void) { - grpc_slice output = grpc_slice_malloc(9); + grpc_slice output = GRPC_SLICE_MALLOC(9); fill_header(GRPC_SLICE_START_PTR(output), 0, GRPC_CHTTP2_FLAG_ACK); return output; } diff --git a/src/core/ext/transport/chttp2/transport/frame_window_update.c b/src/core/ext/transport/chttp2/transport/frame_window_update.c index b76b6f6f47..8ed72dddca 100644 --- a/src/core/ext/transport/chttp2/transport/frame_window_update.c +++ b/src/core/ext/transport/chttp2/transport/frame_window_update.c @@ -41,7 +41,7 @@ grpc_slice grpc_chttp2_window_update_create( uint32_t id, uint32_t window_update, grpc_transport_one_way_stats *stats) { static const size_t frame_size = 13; - grpc_slice slice = grpc_slice_malloc(frame_size); + grpc_slice slice = GRPC_SLICE_MALLOC(frame_size); stats->header_bytes += frame_size; uint8_t *p = GRPC_SLICE_START_PTR(slice); diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c index b1bc677a7a..8fdd4ee77c 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c @@ -123,7 +123,7 @@ static void finish_frame(framer_state *st, int is_header_boundary, output before beginning */ static void begin_frame(framer_state *st) { st->header_idx = - grpc_slice_buffer_add_indexed(st->output, grpc_slice_malloc(9)); + grpc_slice_buffer_add_indexed(st->output, GRPC_SLICE_MALLOC(9)); st->output_length_at_start_of_frame = st->output->length; } diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index 6eb848b8d7..0aaa4aebe5 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -195,22 +195,20 @@ typedef struct grpc_chttp2_write_cb { struct grpc_chttp2_incoming_byte_stream { grpc_byte_stream base; gpr_refcount refs; - struct grpc_chttp2_incoming_byte_stream *next_message; - grpc_error *error; - grpc_chttp2_transport *transport; - grpc_chttp2_stream *stream; - bool is_tail; + grpc_chttp2_transport *transport; /* immutable */ + grpc_chttp2_stream *stream; /* immutable */ - gpr_mu slice_mu; // protects slices, on_next - grpc_slice_buffer slices; - grpc_closure *on_next; - grpc_slice *next; + /* Accessed only by transport thread when stream->pending_byte_stream == false + * Accessed only by application thread when stream->pending_byte_stream == + * true */ uint32_t remaining_bytes; + /* Accessed only by transport thread when stream->pending_byte_stream == false + * Accessed only by application thread when stream->pending_byte_stream == + * true */ struct { grpc_closure closure; - grpc_slice *slice; size_t max_size_hint; grpc_closure *on_complete; } next_action; @@ -222,6 +220,7 @@ typedef enum { GRPC_CHTTP2_KEEPALIVE_STATE_WAITING, GRPC_CHTTP2_KEEPALIVE_STATE_PINGING, GRPC_CHTTP2_KEEPALIVE_STATE_DYING, + GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED, } grpc_chttp2_keepalive_state; struct grpc_chttp2_transport { @@ -445,8 +444,8 @@ struct grpc_chttp2_stream { uint32_t id; /** window available for us to send to peer, over or under the initial window - * size of the transport... ie: - * outgoing_window = outgoing_window_delta + transport.initial_window_size */ + * size of the transport... ie: + * outgoing_window = outgoing_window_delta + transport.initial_window_size */ int64_t outgoing_window_delta; /** things the upper layers would like to send */ grpc_metadata_batch *send_initial_metadata; @@ -473,9 +472,6 @@ struct grpc_chttp2_stream { grpc_transport_stream_stats *collecting_stats; grpc_transport_stream_stats stats; - /** number of streams that are currently being read */ - gpr_refcount active_streams; - /** Is this stream closed for writing. */ bool write_closed; /** Is this stream reading half-closed. */ @@ -499,7 +495,17 @@ struct grpc_chttp2_stream { grpc_chttp2_incoming_metadata_buffer metadata_buffer[2]; - grpc_chttp2_incoming_frame_queue incoming_frames; + grpc_slice_buffer frame_storage; /* protected by t combiner */ + + /* Accessed only by transport thread when stream->pending_byte_stream == false + * Accessed only by application thread when stream->pending_byte_stream == + * true */ + grpc_slice_buffer unprocessed_incoming_frames_buffer; + grpc_closure *on_next; /* protected by t combiner */ + bool pending_byte_stream; /* protected by t combiner */ + grpc_closure reset_byte_stream; + grpc_error *byte_stream_error; /* protected by t combiner */ + bool received_last_frame; /* protected by t combiner */ gpr_timespec deadline; @@ -512,6 +518,9 @@ struct grpc_chttp2_stream { * incoming_window = incoming_window_delta + transport.initial_window_size */ int64_t incoming_window_delta; /** parsing state for data frames */ + /* Accessed only by transport thread when stream->pending_byte_stream == false + * Accessed only by application thread when stream->pending_byte_stream == + * true */ grpc_chttp2_data_parser data_parser; /** number of bytes received - reset at end of parse thread execution */ int64_t received_bytes; @@ -790,10 +799,13 @@ void grpc_chttp2_ref_transport(grpc_chttp2_transport *t); grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create( grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s, uint32_t frame_size, uint32_t flags); -void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, - grpc_chttp2_incoming_byte_stream *bs, - grpc_slice slice); -void grpc_chttp2_incoming_byte_stream_finished( +grpc_error *grpc_chttp2_incoming_byte_stream_push( + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, + grpc_slice slice, grpc_slice *slice_out); +grpc_error *grpc_chttp2_incoming_byte_stream_finished( + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, + grpc_error *error, bool reset_on_error); +void grpc_chttp2_incoming_byte_stream_notify( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, grpc_error *error); diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index 7e457ced27..638b137316 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -458,12 +458,13 @@ static grpc_error *init_data_frame_parser(grpc_exec_ctx *exec_ctx, return init_skip_frame_parser(exec_ctx, t, 0); } if (err == GRPC_ERROR_NONE) { - err = grpc_chttp2_data_parser_begin_frame(&s->data_parser, - t->incoming_frame_flags, s->id); + err = grpc_chttp2_data_parser_begin_frame( + &s->data_parser, t->incoming_frame_flags, s->id, s); } error_handler: if (err == GRPC_ERROR_NONE) { t->incoming_stream = s; + /* t->parser = grpc_chttp2_data_parser_parse;*/ t->parser = grpc_chttp2_data_parser_parse; t->parser_data = &s->data_parser; return GRPC_ERROR_NONE; diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c index 88335ecd0b..d4e89d6a6c 100644 --- a/src/core/ext/transport/cronet/transport/cronet_transport.c +++ b/src/core/ext/transport/cronet/transport/cronet_transport.c @@ -973,9 +973,20 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, grpc_slice_buffer write_slice_buffer; grpc_slice slice; grpc_slice_buffer_init(&write_slice_buffer); - grpc_byte_stream_next( - NULL, stream_op->payload->send_message.send_message, &slice, - stream_op->payload->send_message.send_message->length, NULL); + if (1 != grpc_byte_stream_next( + exec_ctx, stream_op->payload->send_message.send_message, + stream_op->payload->send_message.send_message->length, + NULL)) { + /* Should never reach here */ + GPR_ASSERT(false); + } + if (GRPC_ERROR_NONE != + grpc_byte_stream_pull(exec_ctx, + stream_op->payload->send_message.send_message, + &slice)) { + /* Should never reach here */ + GPR_ASSERT(false); + } grpc_slice_buffer_add(&write_slice_buffer, slice); if (write_slice_buffer.count != 1) { /* Empty request not handled yet */ @@ -1166,7 +1177,7 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, } else if (stream_state->rs.remaining_bytes == 0) { CRONET_LOG(GPR_DEBUG, "read operation complete"); grpc_slice read_data_slice = - grpc_slice_malloc((uint32_t)stream_state->rs.length_field); + GRPC_SLICE_MALLOC((uint32_t)stream_state->rs.length_field); uint8_t *dst_p = GRPC_SLICE_START_PTR(read_data_slice); memcpy(dst_p, stream_state->rs.read_buffer, (size_t)stream_state->rs.length_field); diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c index a6d124c719..238d176dfa 100644 --- a/src/core/lib/channel/channel_args.c +++ b/src/core/lib/channel/channel_args.c @@ -31,17 +31,18 @@ * */ -#include "src/core/lib/channel/channel_args.h" -#include <grpc/grpc.h> -#include "src/core/lib/support/string.h" +#include <limits.h> +#include <string.h> #include <grpc/compression.h> +#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 <string.h> +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/support/string.h" static grpc_arg copy_arg(const grpc_arg *src) { grpc_arg dst; @@ -329,7 +330,9 @@ const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args, return NULL; } -int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options) { +int grpc_channel_arg_get_integer(const grpc_arg *arg, + const grpc_integer_options options) { + if (arg == NULL) return options.default_value; if (arg->type != GRPC_ARG_INTEGER) { gpr_log(GPR_ERROR, "%s ignored: it must be an integer", arg->key); return options.default_value; @@ -347,9 +350,25 @@ int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options) { return arg->value.integer; } +bool grpc_channel_arg_get_bool(const grpc_arg *arg, bool default_value) { + if (arg == NULL) return default_value; + if (arg->type != GRPC_ARG_INTEGER) { + gpr_log(GPR_ERROR, "%s ignored: it must be an integer", arg->key); + return default_value; + } + switch (arg->value.integer) { + case 0: + return false; + case 1: + return true; + default: + gpr_log(GPR_ERROR, "%s treated as bool but set to %d (assuming true)", + arg->key, arg->value.integer); + return true; + } +} + bool grpc_channel_args_want_minimal_stack(const grpc_channel_args *args) { - const grpc_arg *arg = grpc_channel_args_find(args, GRPC_ARG_MINIMAL_STACK); - if (arg == NULL) return false; - if (arg->type == GRPC_ARG_INTEGER && arg->value.integer == 0) return false; - return true; + return grpc_channel_arg_get_bool( + grpc_channel_args_find(args, GRPC_ARG_MINIMAL_STACK), false); } diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h index 158cda5b21..f0f603e251 100644 --- a/src/core/lib/channel/channel_args.h +++ b/src/core/lib/channel/channel_args.h @@ -120,7 +120,11 @@ typedef struct grpc_integer_options { int min_value; int max_value; } grpc_integer_options; + /** Returns the value of \a arg, subject to the contraints in \a options. */ -int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options); +int grpc_channel_arg_get_integer(const grpc_arg *arg, + const grpc_integer_options options); + +bool grpc_channel_arg_get_bool(const grpc_arg *arg, bool default_value); #endif /* GRPC_CORE_LIB_CHANNEL_CHANNEL_ARGS_H */ diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c index b515b7321a..88c02edb70 100644 --- a/src/core/lib/channel/channel_stack_builder.c +++ b/src/core/lib/channel/channel_stack_builder.c @@ -113,6 +113,17 @@ grpc_channel_stack_builder_create_iterator_at_last( return create_iterator_at_filter_node(builder, &builder->end); } +bool grpc_channel_stack_builder_iterator_is_end( + grpc_channel_stack_builder_iterator *iterator) { + return iterator->node == &iterator->builder->end; +} + +const char *grpc_channel_stack_builder_iterator_filter_name( + grpc_channel_stack_builder_iterator *iterator) { + if (iterator->node->filter == NULL) return NULL; + return iterator->node->filter->name; +} + bool grpc_channel_stack_builder_move_next( grpc_channel_stack_builder_iterator *iterator) { if (iterator->node == &iterator->builder->end) return false; diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h index 8adf38e27b..c78111b00d 100644 --- a/src/core/lib/channel/channel_stack_builder.h +++ b/src/core/lib/channel/channel_stack_builder.h @@ -98,6 +98,10 @@ bool grpc_channel_stack_builder_iterator_is_first( bool grpc_channel_stack_builder_iterator_is_end( grpc_channel_stack_builder_iterator *iterator); +/// What is the name of the filter at this iterator position? +const char *grpc_channel_stack_builder_iterator_filter_name( + grpc_channel_stack_builder_iterator *iterator); + /// Move an iterator to the next item bool grpc_channel_stack_builder_move_next( grpc_channel_stack_builder_iterator *iterator); diff --git a/src/core/lib/channel/connected_channel.c b/src/core/lib/channel/connected_channel.c index 22caf24373..d8985268eb 100644 --- a/src/core/lib/channel/connected_channel.c +++ b/src/core/lib/channel/connected_channel.c @@ -128,7 +128,9 @@ static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) { channel_data *cd = (channel_data *)elem->channel_data; - grpc_transport_destroy(exec_ctx, cd->transport); + if (cd->transport) { + grpc_transport_destroy(exec_ctx, cd->transport); + } } static char *con_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { diff --git a/src/core/lib/channel/context.h b/src/core/lib/channel/context.h index 2c1174ce7a..6c931ad28a 100644 --- a/src/core/lib/channel/context.h +++ b/src/core/lib/channel/context.h @@ -50,9 +50,6 @@ typedef enum { /// Reserved for traffic_class_context. GRPC_CONTEXT_TRAFFIC, - /// Costs for Load Reporting. - GRPC_CONTEXT_LR_COST, - GRPC_CONTEXT_COUNT } grpc_context_index; diff --git a/src/core/lib/compression/message_compress.c b/src/core/lib/compression/message_compress.c index 49beb953b0..fd3d1e6fcc 100644 --- a/src/core/lib/compression/message_compress.c +++ b/src/core/lib/compression/message_compress.c @@ -50,7 +50,7 @@ static int zlib_body(grpc_exec_ctx* exec_ctx, z_stream* zs, int r; int flush; size_t i; - grpc_slice outbuf = grpc_slice_malloc(OUTPUT_BLOCK_SIZE); + grpc_slice outbuf = GRPC_SLICE_MALLOC(OUTPUT_BLOCK_SIZE); const uInt uint_max = ~(uInt)0; GPR_ASSERT(GRPC_SLICE_LENGTH(outbuf) <= uint_max); @@ -65,7 +65,7 @@ static int zlib_body(grpc_exec_ctx* exec_ctx, z_stream* zs, do { if (zs->avail_out == 0) { grpc_slice_buffer_add_indexed(output, outbuf); - outbuf = grpc_slice_malloc(OUTPUT_BLOCK_SIZE); + outbuf = GRPC_SLICE_MALLOC(OUTPUT_BLOCK_SIZE); GPR_ASSERT(GRPC_SLICE_LENGTH(outbuf) <= uint_max); zs->avail_out = (uInt)GRPC_SLICE_LENGTH(outbuf); zs->next_out = GRPC_SLICE_START_PTR(outbuf); diff --git a/src/core/lib/http/httpcli_security_connector.c b/src/core/lib/http/httpcli_security_connector.c index 9eab1360a4..76946434f0 100644 --- a/src/core/lib/http/httpcli_security_connector.c +++ b/src/core/lib/http/httpcli_security_connector.c @@ -106,9 +106,8 @@ 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( - 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) { + grpc_exec_ctx *exec_ctx, const char *pem_root_certs, + const char *secure_peer_name, grpc_channel_security_connector **sc) { tsi_result result = TSI_OK; grpc_httpcli_ssl_channel_security_connector *c; @@ -126,8 +125,7 @@ static grpc_security_status httpcli_ssl_channel_security_connector_create( c->secure_peer_name = gpr_strdup(secure_peer_name); } result = tsi_create_ssl_client_handshaker_factory( - NULL, 0, NULL, 0, pem_root_certs, pem_root_certs_size, NULL, NULL, NULL, - 0, &c->handshaker_factory); + NULL, pem_root_certs, NULL, NULL, 0, &c->handshaker_factory); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", tsi_result_to_string(result)); @@ -173,10 +171,9 @@ static void ssl_handshake(grpc_exec_ctx *exec_ctx, void *arg, void (*on_done)(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *endpoint)) { grpc_channel_security_connector *sc = NULL; - const unsigned char *pem_root_certs = NULL; on_done_closure *c = gpr_malloc(sizeof(*c)); - size_t pem_root_certs_size = grpc_get_default_ssl_roots(&pem_root_certs); - if (pem_root_certs == NULL || pem_root_certs_size == 0) { + const char *pem_root_certs = grpc_get_default_ssl_roots(); + if (pem_root_certs == NULL) { gpr_log(GPR_ERROR, "Could not get default pem root certs."); on_done(exec_ctx, arg, NULL); gpr_free(c); @@ -186,8 +183,7 @@ static void ssl_handshake(grpc_exec_ctx *exec_ctx, void *arg, c->arg = arg; c->handshake_mgr = grpc_handshake_manager_create(); GPR_ASSERT(httpcli_ssl_channel_security_connector_create( - exec_ctx, pem_root_certs, pem_root_certs_size, host, &sc) == - GRPC_SECURITY_OK); + exec_ctx, pem_root_certs, host, &sc) == GRPC_SECURITY_OK); grpc_channel_security_connector_add_handshakers(exec_ctx, sc, c->handshake_mgr); grpc_handshake_manager_do_handshake( diff --git a/src/core/lib/iomgr/error.c b/src/core/lib/iomgr/error.c index fbbca6b493..5f2c989aad 100644 --- a/src/core/lib/iomgr/error.c +++ b/src/core/lib/iomgr/error.c @@ -217,8 +217,14 @@ static uint8_t get_placement(grpc_error **err, size_t size) { if ((*err)->arena_size + slots > (*err)->arena_capacity) { return UINT8_MAX; } +#ifdef GRPC_ERROR_REFCOUNT_DEBUG + grpc_error *orig = *err; +#endif *err = gpr_realloc( *err, sizeof(grpc_error) + (*err)->arena_capacity * sizeof(intptr_t)); +#ifdef GRPC_ERROR_REFCOUNT_DEBUG + if (*err != orig) gpr_log(GPR_DEBUG, "realloc %p -> %p", orig, *err); +#endif } uint8_t placement = (*err)->arena_size; (*err)->arena_size = (uint8_t)((*err)->arena_size + slots); @@ -313,7 +319,7 @@ static void internal_add_error(grpc_error **err, grpc_error *new) { // It is very common to include and extra int and string in an error #define SURPLUS_CAPACITY (2 * SLOTS_PER_INT + SLOTS_PER_TIME) -grpc_error *grpc_error_create(grpc_slice file, int line, grpc_slice desc, +grpc_error *grpc_error_create(const char *file, int line, grpc_slice desc, grpc_error **referencing, size_t num_referencing) { GPR_TIMER_BEGIN("grpc_error_create", 0); @@ -339,7 +345,8 @@ grpc_error *grpc_error_create(grpc_slice file, int line, grpc_slice desc, memset(err->times, UINT8_MAX, GRPC_ERROR_TIME_MAX); internal_set_int(&err, GRPC_ERROR_INT_FILE_LINE, line); - internal_set_str(&err, GRPC_ERROR_STR_FILE, file); + internal_set_str(&err, GRPC_ERROR_STR_FILE, + grpc_slice_from_static_string(file)); internal_set_str(&err, GRPC_ERROR_STR_DESCRIPTION, desc); for (size_t i = 0; i < num_referencing; ++i) { @@ -756,7 +763,7 @@ grpc_error *grpc_os_error(const char *file, int line, int err, return grpc_error_set_str( grpc_error_set_str( grpc_error_set_int( - grpc_error_create(grpc_slice_from_static_string(file), line, + grpc_error_create(file, line, grpc_slice_from_static_string("OS Error"), NULL, 0), GRPC_ERROR_INT_ERRNO, err), @@ -772,7 +779,7 @@ grpc_error *grpc_wsa_error(const char *file, int line, int err, grpc_error *error = grpc_error_set_str( grpc_error_set_str( grpc_error_set_int( - grpc_error_create(grpc_slice_from_static_string(file), line, + grpc_error_create(file, line, grpc_slice_from_static_string("OS Error"), NULL, 0), GRPC_ERROR_INT_WSA_ERROR, err), diff --git a/src/core/lib/iomgr/error.h b/src/core/lib/iomgr/error.h index 2a44fcfe25..34b24d9263 100644 --- a/src/core/lib/iomgr/error.h +++ b/src/core/lib/iomgr/error.h @@ -138,7 +138,7 @@ typedef enum { const char *grpc_error_string(grpc_error *error); /// Create an error - but use GRPC_ERROR_CREATE instead -grpc_error *grpc_error_create(grpc_slice file, int line, grpc_slice desc, +grpc_error *grpc_error_create(const char *file, int line, grpc_slice desc, grpc_error **referencing, size_t num_referencing); /// Create an error (this is the preferred way of generating an error that is /// not due to a system call - for system calls, use GRPC_OS_ERROR or @@ -148,21 +148,21 @@ grpc_error *grpc_error_create(grpc_slice file, int line, grpc_slice desc, /// err = grpc_error_create(x, y, z, r, nr) is equivalent to: /// err = grpc_error_create(x, y, z, NULL, 0); /// for (i=0; i<nr; i++) err = grpc_error_add_child(err, r[i]); -#define GRPC_ERROR_CREATE_FROM_STATIC_STRING(desc) \ - grpc_error_create(grpc_slice_from_static_string(__FILE__), __LINE__, \ - grpc_slice_from_static_string(desc), NULL, 0) -#define GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc) \ - grpc_error_create(grpc_slice_from_static_string(__FILE__), __LINE__, \ - grpc_slice_from_copied_string(desc), NULL, 0) +#define GRPC_ERROR_CREATE_FROM_STATIC_STRING(desc) \ + grpc_error_create(__FILE__, __LINE__, grpc_slice_from_static_string(desc), \ + NULL, 0) +#define GRPC_ERROR_CREATE_FROM_COPIED_STRING(desc) \ + grpc_error_create(__FILE__, __LINE__, grpc_slice_from_copied_string(desc), \ + NULL, 0) // Create an error that references some other errors. This function adds a // reference to each error in errs - it does not consume an existing reference -#define GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(desc, errs, count) \ - grpc_error_create(grpc_slice_from_static_string(__FILE__), __LINE__, \ - grpc_slice_from_static_string(desc), errs, count) -#define GRPC_ERROR_CREATE_REFERENCING_FROM_COPIED_STRING(desc, errs, count) \ - grpc_error_create(grpc_slice_from_static_string(__FILE__), __LINE__, \ - grpc_slice_from_copied_string(desc), errs, count) +#define GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(desc, errs, count) \ + grpc_error_create(__FILE__, __LINE__, grpc_slice_from_static_string(desc), \ + errs, count) +#define GRPC_ERROR_CREATE_REFERENCING_FROM_COPIED_STRING(desc, errs, count) \ + grpc_error_create(__FILE__, __LINE__, grpc_slice_from_copied_string(desc), \ + errs, count) //#define GRPC_ERROR_REFCOUNT_DEBUG #ifdef GRPC_ERROR_REFCOUNT_DEBUG diff --git a/src/core/lib/iomgr/sockaddr_utils.h b/src/core/lib/iomgr/sockaddr_utils.h index 2b22f11b49..be3ea2038f 100644 --- a/src/core/lib/iomgr/sockaddr_utils.h +++ b/src/core/lib/iomgr/sockaddr_utils.h @@ -50,7 +50,7 @@ int grpc_sockaddr_to_v4mapped(const grpc_resolved_address *addr, grpc_resolved_address *addr6_out); /* If addr is ::, 0.0.0.0, or ::ffff:0.0.0.0, writes the port number to - *port_out (if not NULL) and returns true, otherwise returns false. */ + *port_out (if not NULL) and returns true, otherwise returns false. */ int grpc_sockaddr_is_wildcard(const grpc_resolved_address *addr, int *port_out); /* Writes 0.0.0.0:port and [::]:port to separate sockaddrs. */ diff --git a/src/core/lib/iomgr/socket_mutator.h b/src/core/lib/iomgr/socket_mutator.h index 2f5b6c248e..28b1710ec4 100644 --- a/src/core/lib/iomgr/socket_mutator.h +++ b/src/core/lib/iomgr/socket_mutator.h @@ -37,6 +37,8 @@ #include <grpc/impl/codegen/grpc_types.h> #include <grpc/support/sync.h> +#include <stdbool.h> + #ifdef __cplusplus extern "C" { #endif diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c index f74aa68793..bdd4dd07af 100644 --- a/src/core/lib/iomgr/tcp_windows.c +++ b/src/core/lib/iomgr/tcp_windows.c @@ -219,7 +219,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, tcp->read_slices = read_slices; grpc_slice_buffer_reset_and_unref_internal(exec_ctx, read_slices); - tcp->read_slice = grpc_slice_malloc(8192); + tcp->read_slice = GRPC_SLICE_MALLOC(8192); buffer.len = (ULONG)GRPC_SLICE_LENGTH( tcp->read_slice); // we know slice size fits in 32bit. diff --git a/src/core/lib/iomgr/udp_server.c b/src/core/lib/iomgr/udp_server.c index 60579e18ba..af70746064 100644 --- a/src/core/lib/iomgr/udp_server.c +++ b/src/core/lib/iomgr/udp_server.c @@ -79,14 +79,24 @@ struct grpc_udp_listener { grpc_resolved_address addr; grpc_closure read_closure; grpc_closure write_closure; + // To be called when corresponding QuicGrpcServer closes all active + // connections. + grpc_closure orphan_fd_closure; grpc_closure destroyed_closure; grpc_udp_server_read_cb read_cb; grpc_udp_server_write_cb write_cb; grpc_udp_server_orphan_cb orphan_cb; + // True if orphan_cb is trigered. + bool orphan_notified; struct grpc_udp_listener *next; }; +struct shutdown_fd_args { + grpc_fd *fd; + gpr_mu *server_mu; +}; + /* the overall server */ struct grpc_udp_server { gpr_mu mu; @@ -146,6 +156,19 @@ grpc_udp_server *grpc_udp_server_create(const grpc_channel_args *args) { return s; } +static void shutdown_fd(grpc_exec_ctx *exec_ctx, void *args, + grpc_error *error) { + struct shutdown_fd_args *shutdown_args = (struct shutdown_fd_args *)args; + gpr_mu_lock(shutdown_args->server_mu); + grpc_fd_shutdown(exec_ctx, shutdown_args->fd, GRPC_ERROR_REF(error)); + gpr_mu_unlock(shutdown_args->server_mu); + gpr_free(shutdown_args); +} + +static void dummy_cb(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { + // No-op. +} + static void finish_shutdown(grpc_exec_ctx *exec_ctx, grpc_udp_server *s) { if (s->shutdown_complete != NULL) { grpc_closure_sched(exec_ctx, s->shutdown_complete, GRPC_ERROR_NONE); @@ -195,12 +218,16 @@ static void deactivated_all_ports(grpc_exec_ctx *exec_ctx, grpc_udp_server *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. */ - GPR_ASSERT(sp->orphan_cb); - sp->orphan_cb(exec_ctx, sp->emfd, sp->server->user_data); - + if (!sp->orphan_notified) { + /* Call the orphan_cb to signal that the FD is about to be closed and + * should no longer be used. Because at this point, all listening ports + * have been shutdown already, no need to shutdown again.*/ + grpc_closure_init(&sp->orphan_fd_closure, dummy_cb, sp->emfd, + grpc_schedule_on_exec_ctx); + GPR_ASSERT(sp->orphan_cb); + sp->orphan_cb(exec_ctx, sp->emfd, &sp->orphan_fd_closure, + sp->server->user_data); + } grpc_fd_orphan(exec_ctx, sp->emfd, &sp->destroyed_closure, NULL, "udp_listener_shutdown"); } @@ -225,9 +252,14 @@ void grpc_udp_server_destroy(grpc_exec_ctx *exec_ctx, grpc_udp_server *s, if (s->active_ports) { for (sp = s->head; sp; sp = sp->next) { GPR_ASSERT(sp->orphan_cb); - sp->orphan_cb(exec_ctx, sp->emfd, sp->server->user_data); - grpc_fd_shutdown(exec_ctx, sp->emfd, GRPC_ERROR_CREATE_FROM_STATIC_STRING( - "Server destroyed")); + struct shutdown_fd_args *args = gpr_malloc(sizeof(*args)); + args->fd = sp->emfd; + args->server_mu = &s->mu; + grpc_closure_init(&sp->orphan_fd_closure, shutdown_fd, args, + grpc_schedule_on_exec_ctx); + sp->orphan_cb(exec_ctx, sp->emfd, &sp->orphan_fd_closure, + sp->server->user_data); + sp->orphan_notified = true; } gpr_mu_unlock(&s->mu); } else { @@ -391,6 +423,7 @@ static int add_socket_to_server(grpc_udp_server *s, int fd, sp->read_cb = read_cb; sp->write_cb = write_cb; sp->orphan_cb = orphan_cb; + sp->orphan_notified = false; GPR_ASSERT(sp->emfd); gpr_mu_unlock(&s->mu); gpr_free(name); diff --git a/src/core/lib/iomgr/udp_server.h b/src/core/lib/iomgr/udp_server.h index 9df3fe4d1f..8006037644 100644 --- a/src/core/lib/iomgr/udp_server.h +++ b/src/core/lib/iomgr/udp_server.h @@ -55,7 +55,9 @@ typedef void (*grpc_udp_server_write_cb)(grpc_exec_ctx *exec_ctx, grpc_fd *emfd, /* Called when the grpc_fd is about to be orphaned (and the FD closed). */ typedef void (*grpc_udp_server_orphan_cb)(grpc_exec_ctx *exec_ctx, - grpc_fd *emfd, void *user_data); + grpc_fd *emfd, + grpc_closure *shutdown_fd_callback, + void *user_data); /* Create a server, initially not bound to any ports */ grpc_udp_server *grpc_udp_server_create(const grpc_channel_args *args); diff --git a/src/core/lib/security/credentials/credentials.c b/src/core/lib/security/credentials/credentials.c index 52b80141d1..d89da47fc1 100644 --- a/src/core/lib/security/credentials/credentials.c +++ b/src/core/lib/security/credentials/credentials.c @@ -37,7 +37,6 @@ #include <string.h> #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/http_client_filter.h" #include "src/core/lib/http/httpcli.h" #include "src/core/lib/http/parser.h" #include "src/core/lib/iomgr/executor.h" diff --git a/src/core/lib/security/credentials/fake/fake_credentials.c b/src/core/lib/security/credentials/fake/fake_credentials.c index 68636ba208..3fdb67fb91 100644 --- a/src/core/lib/security/credentials/fake/fake_credentials.c +++ b/src/core/lib/security/credentials/fake/fake_credentials.c @@ -39,11 +39,15 @@ #include <grpc/support/log.h> #include <grpc/support/string_util.h> +#include "src/core/lib/channel/channel_args.h" #include "src/core/lib/iomgr/executor.h" #include "src/core/lib/support/string.h" /* -- Fake transport security credentials. -- */ +#define GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS \ + "grpc.fake_security.expected_targets" + static grpc_security_status fake_transport_security_create_security_connector( grpc_exec_ctx *exec_ctx, grpc_channel_credentials *c, grpc_call_credentials *call_creds, const char *target, @@ -88,6 +92,25 @@ grpc_server_credentials *grpc_fake_transport_security_server_credentials_create( return c; } +grpc_arg grpc_fake_transport_expected_targets_arg(char *expected_targets) { + grpc_arg arg; + arg.type = GRPC_ARG_STRING; + arg.key = GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS; + arg.value.string = expected_targets; + return arg; +} + +const char *grpc_fake_transport_get_expected_targets( + const grpc_channel_args *args) { + const grpc_arg *expected_target_arg = + grpc_channel_args_find(args, GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS); + if (expected_target_arg != NULL && + expected_target_arg->type == GRPC_ARG_STRING) { + return expected_target_arg->value.string; + } + return NULL; +} + /* -- Metadata-only test credentials. -- */ static void md_only_test_destruct(grpc_exec_ctx *exec_ctx, diff --git a/src/core/lib/security/credentials/fake/fake_credentials.h b/src/core/lib/security/credentials/fake/fake_credentials.h index 0fe98417c6..a28b545a67 100644 --- a/src/core/lib/security/credentials/fake/fake_credentials.h +++ b/src/core/lib/security/credentials/fake/fake_credentials.h @@ -38,10 +38,17 @@ /* -- Fake transport security credentials. -- */ +/* Creates a fake transport security credentials object for testing. */ +grpc_channel_credentials *grpc_fake_transport_security_credentials_create(void); + +/* Creates a fake server transport security credentials object for testing. */ +grpc_server_credentials *grpc_fake_transport_security_server_credentials_create( + void); + /* Used to verify the target names given to the fake transport security * connector. * - * Its syntax by example: + * The syntax of \a expected_targets by example: * For LB channels: * "backend_target_1,backend_target_2,...;lb_target_1,lb_target_2,..." * For regular channels: @@ -50,15 +57,11 @@ * That is to say, LB channels have a heading list of LB targets separated from * the list of backend targets by a semicolon. For non-LB channels, only the * latter is present. */ -#define GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS \ - "grpc.test_only.fake_security.expected_target" +grpc_arg grpc_fake_transport_expected_targets_arg(char *expected_targets); -/* Creates a fake transport security credentials object for testing. */ -grpc_channel_credentials *grpc_fake_transport_security_credentials_create(void); - -/* Creates a fake server transport security credentials object for testing. */ -grpc_server_credentials *grpc_fake_transport_security_server_credentials_create( - void); +/* Return the value associated with the expected targets channel arg or NULL */ +const char *grpc_fake_transport_get_expected_targets( + const grpc_channel_args *args); /* -- Metadata-only Test credentials. -- */ diff --git a/src/core/lib/security/credentials/ssl/ssl_credentials.c b/src/core/lib/security/credentials/ssl/ssl_credentials.c index 4b17ac8098..7c35ebe684 100644 --- a/src/core/lib/security/credentials/ssl/ssl_credentials.c +++ b/src/core/lib/security/credentials/ssl/ssl_credentials.c @@ -36,33 +36,28 @@ #include <string.h> #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/http_client_filter.h" #include "src/core/lib/surface/api_trace.h" #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include <grpc/support/string_util.h> // -// Utils +// SSL Channel Credentials. // -static void ssl_copy_key_material(const char *input, unsigned char **output, - size_t *output_size) { - *output_size = strlen(input); - *output = gpr_malloc(*output_size); - memcpy(*output, input, *output_size); +static void ssl_config_pem_key_cert_pair_destroy( + tsi_ssl_pem_key_cert_pair *kp) { + if (kp == NULL) return; + gpr_free((void *)kp->private_key); + gpr_free((void *)kp->cert_chain); } -// -// SSL Channel Credentials. -// - 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); - if (c->config.pem_cert_chain != NULL) gpr_free(c->config.pem_cert_chain); + gpr_free(c->config.pem_root_certs); + ssl_config_pem_key_cert_pair_destroy(&c->config.pem_key_cert_pair); } static grpc_security_status ssl_create_security_connector( @@ -103,18 +98,15 @@ static void ssl_build_config(const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pair, grpc_ssl_config *config) { if (pem_root_certs != NULL) { - ssl_copy_key_material(pem_root_certs, &config->pem_root_certs, - &config->pem_root_certs_size); + config->pem_root_certs = gpr_strdup(pem_root_certs); } if (pem_key_cert_pair != NULL) { GPR_ASSERT(pem_key_cert_pair->private_key != NULL); GPR_ASSERT(pem_key_cert_pair->cert_chain != NULL); - ssl_copy_key_material(pem_key_cert_pair->private_key, - &config->pem_private_key, - &config->pem_private_key_size); - ssl_copy_key_material(pem_key_cert_pair->cert_chain, - &config->pem_cert_chain, - &config->pem_cert_chain_size); + config->pem_key_cert_pair.cert_chain = + gpr_strdup(pem_key_cert_pair->cert_chain); + config->pem_key_cert_pair.private_key = + gpr_strdup(pem_key_cert_pair->private_key); } } @@ -144,22 +136,10 @@ static void ssl_server_destruct(grpc_exec_ctx *exec_ctx, grpc_ssl_server_credentials *c = (grpc_ssl_server_credentials *)creds; size_t i; for (i = 0; i < c->config.num_key_cert_pairs; i++) { - if (c->config.pem_private_keys[i] != NULL) { - gpr_free(c->config.pem_private_keys[i]); - } - if (c->config.pem_cert_chains[i] != NULL) { - gpr_free(c->config.pem_cert_chains[i]); - } - } - if (c->config.pem_private_keys != NULL) gpr_free(c->config.pem_private_keys); - if (c->config.pem_private_keys_sizes != NULL) { - gpr_free(c->config.pem_private_keys_sizes); - } - if (c->config.pem_cert_chains != NULL) gpr_free(c->config.pem_cert_chains); - if (c->config.pem_cert_chains_sizes != NULL) { - gpr_free(c->config.pem_cert_chains_sizes); + ssl_config_pem_key_cert_pair_destroy(&c->config.pem_key_cert_pairs[i]); } - if (c->config.pem_root_certs != NULL) gpr_free(c->config.pem_root_certs); + gpr_free(c->config.pem_key_cert_pairs); + gpr_free(c->config.pem_root_certs); } static grpc_security_status ssl_server_create_security_connector( @@ -180,30 +160,21 @@ static void ssl_build_server_config( size_t i; config->client_certificate_request = client_certificate_request; if (pem_root_certs != NULL) { - ssl_copy_key_material(pem_root_certs, &config->pem_root_certs, - &config->pem_root_certs_size); + config->pem_root_certs = gpr_strdup(pem_root_certs); } if (num_key_cert_pairs > 0) { GPR_ASSERT(pem_key_cert_pairs != NULL); - config->pem_private_keys = - gpr_malloc(num_key_cert_pairs * sizeof(unsigned char *)); - config->pem_cert_chains = - gpr_malloc(num_key_cert_pairs * sizeof(unsigned char *)); - config->pem_private_keys_sizes = - gpr_malloc(num_key_cert_pairs * sizeof(size_t)); - config->pem_cert_chains_sizes = - gpr_malloc(num_key_cert_pairs * sizeof(size_t)); + config->pem_key_cert_pairs = + gpr_zalloc(num_key_cert_pairs * sizeof(tsi_ssl_pem_key_cert_pair)); } config->num_key_cert_pairs = num_key_cert_pairs; for (i = 0; i < num_key_cert_pairs; i++) { GPR_ASSERT(pem_key_cert_pairs[i].private_key != NULL); GPR_ASSERT(pem_key_cert_pairs[i].cert_chain != NULL); - ssl_copy_key_material(pem_key_cert_pairs[i].private_key, - &config->pem_private_keys[i], - &config->pem_private_keys_sizes[i]); - ssl_copy_key_material(pem_key_cert_pairs[i].cert_chain, - &config->pem_cert_chains[i], - &config->pem_cert_chains_sizes[i]); + config->pem_key_cert_pairs[i].cert_chain = + gpr_strdup(pem_key_cert_pairs[i].cert_chain); + config->pem_key_cert_pairs[i].private_key = + gpr_strdup(pem_key_cert_pairs[i].private_key); } } diff --git a/src/core/lib/security/transport/client_auth_filter.c b/src/core/lib/security/transport/client_auth_filter.c index f526653ffa..1f0daf7325 100644 --- a/src/core/lib/security/transport/client_auth_filter.c +++ b/src/core/lib/security/transport/client_auth_filter.c @@ -343,8 +343,16 @@ static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element_args *args) { grpc_security_connector *sc = grpc_security_connector_find_in_args(args->channel_args); + if (sc == NULL) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "Security connector missing from client auth filter args"); + } grpc_auth_context *auth_context = grpc_find_auth_context_in_args(args->channel_args); + if (auth_context == NULL) { + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "Auth context missing from client auth filter args"); + } /* grab pointers to our data from the channel element */ channel_data *chand = elem->channel_data; @@ -353,8 +361,6 @@ static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, handle the case that there's no 'next' filter to call on the up or down path */ GPR_ASSERT(!args->is_last); - GPR_ASSERT(sc != NULL); - GPR_ASSERT(auth_context != NULL); /* initialize members */ chand->security_connector = diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c index 24da949e48..0d5c7432c6 100644 --- a/src/core/lib/security/transport/secure_endpoint.c +++ b/src/core/lib/security/transport/secure_endpoint.c @@ -130,7 +130,7 @@ static void secure_endpoint_ref(secure_endpoint *ep) { gpr_ref(&ep->ref); } static void flush_read_staging_buffer(secure_endpoint *ep, uint8_t **cur, uint8_t **end) { grpc_slice_buffer_add(ep->read_buffer, ep->read_staging_buffer); - ep->read_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); + ep->read_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); *cur = GRPC_SLICE_START_PTR(ep->read_staging_buffer); *end = GRPC_SLICE_END_PTR(ep->read_staging_buffer); } @@ -252,7 +252,7 @@ static void endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep, static void flush_write_staging_buffer(secure_endpoint *ep, uint8_t **cur, uint8_t **end) { grpc_slice_buffer_add(&ep->output_buffer, ep->write_staging_buffer); - ep->write_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); + ep->write_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); *cur = GRPC_SLICE_START_PTR(ep->write_staging_buffer); *end = GRPC_SLICE_END_PTR(ep->write_staging_buffer); } @@ -415,8 +415,8 @@ grpc_endpoint *grpc_secure_endpoint_create( grpc_slice_buffer_add(&ep->leftover_bytes, 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); + 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; diff --git a/src/core/lib/security/transport/security_connector.c b/src/core/lib/security/transport/security_connector.c index dbe3263f92..30431a4e4a 100644 --- a/src/core/lib/security/transport/security_connector.c +++ b/src/core/lib/security/transport/security_connector.c @@ -78,9 +78,8 @@ void grpc_set_ssl_roots_override_callback(grpc_ssl_roots_override_callback cb) { /* Defines the cipher suites that we accept by default. All these cipher suites are compliant with HTTP2. */ -#define GRPC_SSL_CIPHER_SUITES \ - "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-" \ - "SHA384:ECDHE-RSA-AES256-GCM-SHA384" +#define GRPC_SSL_CIPHER_SUITES \ + "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384" static gpr_once cipher_suites_once = GPR_ONCE_INIT; static const char *cipher_suites = NULL; @@ -423,12 +422,8 @@ grpc_channel_security_connector *grpc_fake_channel_security_connector_create( c->base.check_call_host = fake_channel_check_call_host; c->base.add_handshakers = fake_channel_add_handshakers; c->target = gpr_strdup(target); - const grpc_arg *expected_target_arg = - grpc_channel_args_find(args, GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS); - if (expected_target_arg != NULL) { - GPR_ASSERT(expected_target_arg->type == GRPC_ARG_STRING); - c->expected_targets = gpr_strdup(expected_target_arg->value.string); - } + const char *expected_targets = grpc_fake_transport_get_expected_targets(args); + c->expected_targets = gpr_strdup(expected_targets); c->is_lb_channel = (grpc_lb_targets_info_find_in_args(args) != NULL); return &c->base; } @@ -699,6 +694,7 @@ static grpc_security_connector_vtable ssl_channel_vtable = { static grpc_security_connector_vtable ssl_server_vtable = { ssl_server_destroy, ssl_server_check_peer}; +/* returns a NULL terminated slice. */ static grpc_slice compute_default_pem_root_certs_once(void) { grpc_slice result = grpc_empty_slice(); @@ -707,7 +703,7 @@ static grpc_slice compute_default_pem_root_certs_once(void) { gpr_getenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR); if (default_root_certs_path != NULL) { GRPC_LOG_IF_ERROR("load_file", - grpc_load_file(default_root_certs_path, 0, &result)); + grpc_load_file(default_root_certs_path, 1, &result)); gpr_free(default_root_certs_path); } @@ -718,15 +714,18 @@ static grpc_slice compute_default_pem_root_certs_once(void) { ovrd_res = ssl_roots_override_cb(&pem_root_certs); if (ovrd_res == GRPC_SSL_ROOTS_OVERRIDE_OK) { GPR_ASSERT(pem_root_certs != NULL); - result = grpc_slice_new(pem_root_certs, strlen(pem_root_certs), gpr_free); + result = grpc_slice_from_copied_buffer( + pem_root_certs, + strlen(pem_root_certs) + 1); // NULL terminator. } + gpr_free(pem_root_certs); } /* Fall back to installed certs if needed. */ if (GRPC_SLICE_IS_EMPTY(result) && ovrd_res != GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY) { GRPC_LOG_IF_ERROR("load_file", - grpc_load_file(installed_roots_path, 0, &result)); + grpc_load_file(installed_roots_path, 1, &result)); } return result; } @@ -766,13 +765,14 @@ get_tsi_client_certificate_request_type( } } -size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs) { +const char *grpc_get_default_ssl_roots(void) { /* TODO(jboeuf@google.com): Maybe revisit the approach which consists in loading all the roots once for the lifetime of the process. */ static gpr_once once = GPR_ONCE_INIT; gpr_once_init(&once, init_default_pem_root_certs); - *pem_root_certs = GRPC_SLICE_START_PTR(default_pem_root_certs); - return GRPC_SLICE_LENGTH(default_pem_root_certs); + return GRPC_SLICE_IS_EMPTY(default_pem_root_certs) + ? NULL + : (const char *)GRPC_SLICE_START_PTR(default_pem_root_certs); } grpc_security_status grpc_ssl_channel_security_connector_create( @@ -780,22 +780,16 @@ grpc_security_status grpc_ssl_channel_security_connector_create( 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(); - const unsigned char **alpn_protocol_strings = + const char **alpn_protocol_strings = gpr_malloc(sizeof(const char *) * num_alpn_protocols); - unsigned char *alpn_protocol_string_lengths = - gpr_malloc(sizeof(unsigned char) * num_alpn_protocols); tsi_result result = TSI_OK; grpc_ssl_channel_security_connector *c; size_t i; - const unsigned char *pem_root_certs; - size_t pem_root_certs_size; + const char *pem_root_certs; char *port; for (i = 0; i < num_alpn_protocols; i++) { - alpn_protocol_strings[i] = - (const unsigned char *)grpc_chttp2_get_alpn_version_index(i); - alpn_protocol_string_lengths[i] = - (unsigned char)strlen(grpc_chttp2_get_alpn_version_index(i)); + alpn_protocol_strings[i] = grpc_chttp2_get_alpn_version_index(i); } if (config == NULL || target_name == NULL) { @@ -803,14 +797,13 @@ grpc_security_status grpc_ssl_channel_security_connector_create( goto error; } if (config->pem_root_certs == NULL) { - pem_root_certs_size = grpc_get_default_ssl_roots(&pem_root_certs); - if (pem_root_certs == NULL || pem_root_certs_size == 0) { + pem_root_certs = grpc_get_default_ssl_roots(); + if (pem_root_certs == NULL) { gpr_log(GPR_ERROR, "Could not get default pem root certs."); goto error; } } else { pem_root_certs = config->pem_root_certs; - pem_root_certs_size = config->pem_root_certs_size; } c = gpr_zalloc(sizeof(grpc_ssl_channel_security_connector)); @@ -827,11 +820,12 @@ grpc_security_status grpc_ssl_channel_security_connector_create( if (overridden_target_name != NULL) { c->overridden_target_name = gpr_strdup(overridden_target_name); } + + bool has_key_cert_pair = config->pem_key_cert_pair.private_key != NULL && + config->pem_key_cert_pair.cert_chain != NULL; result = tsi_create_ssl_client_handshaker_factory( - config->pem_private_key, config->pem_private_key_size, - config->pem_cert_chain, config->pem_cert_chain_size, pem_root_certs, - pem_root_certs_size, ssl_cipher_suites(), alpn_protocol_strings, - alpn_protocol_string_lengths, (uint16_t)num_alpn_protocols, + has_key_cert_pair ? &config->pem_key_cert_pair : NULL, pem_root_certs, + ssl_cipher_suites(), alpn_protocol_strings, (uint16_t)num_alpn_protocols, &c->handshaker_factory); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", @@ -842,12 +836,10 @@ grpc_security_status grpc_ssl_channel_security_connector_create( } *sc = &c->base; gpr_free((void *)alpn_protocol_strings); - gpr_free(alpn_protocol_string_lengths); return GRPC_SECURITY_OK; error: gpr_free((void *)alpn_protocol_strings); - gpr_free(alpn_protocol_string_lengths); return GRPC_SECURITY_ERROR; } @@ -855,19 +847,14 @@ grpc_security_status grpc_ssl_server_security_connector_create( 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 = + const char **alpn_protocol_strings = gpr_malloc(sizeof(const char *) * num_alpn_protocols); - unsigned char *alpn_protocol_string_lengths = - gpr_malloc(sizeof(unsigned char) * num_alpn_protocols); tsi_result result = TSI_OK; grpc_ssl_server_security_connector *c; size_t i; for (i = 0; i < num_alpn_protocols; i++) { - alpn_protocol_strings[i] = - (const unsigned char *)grpc_chttp2_get_alpn_version_index(i); - alpn_protocol_string_lengths[i] = - (unsigned char)strlen(grpc_chttp2_get_alpn_version_index(i)); + alpn_protocol_strings[i] = grpc_chttp2_get_alpn_version_index(i); } if (config == NULL || config->num_key_cert_pairs == 0) { @@ -880,15 +867,11 @@ grpc_security_status grpc_ssl_server_security_connector_create( c->base.base.url_scheme = GRPC_SSL_URL_SCHEME; c->base.base.vtable = &ssl_server_vtable; result = tsi_create_ssl_server_handshaker_factory_ex( - (const unsigned char **)config->pem_private_keys, - config->pem_private_keys_sizes, - (const unsigned char **)config->pem_cert_chains, - config->pem_cert_chains_sizes, config->num_key_cert_pairs, - config->pem_root_certs, config->pem_root_certs_size, - get_tsi_client_certificate_request_type( - config->client_certificate_request), - ssl_cipher_suites(), alpn_protocol_strings, alpn_protocol_string_lengths, - (uint16_t)num_alpn_protocols, &c->handshaker_factory); + config->pem_key_cert_pairs, config->num_key_cert_pairs, + config->pem_root_certs, get_tsi_client_certificate_request_type( + config->client_certificate_request), + ssl_cipher_suites(), alpn_protocol_strings, (uint16_t)num_alpn_protocols, + &c->handshaker_factory); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Handshaker factory creation failed with %s.", tsi_result_to_string(result)); @@ -899,11 +882,9 @@ grpc_security_status grpc_ssl_server_security_connector_create( c->base.add_handshakers = ssl_server_add_handshakers; *sc = &c->base; gpr_free((void *)alpn_protocol_strings); - gpr_free(alpn_protocol_string_lengths); return GRPC_SECURITY_OK; error: gpr_free((void *)alpn_protocol_strings); - gpr_free(alpn_protocol_string_lengths); return GRPC_SECURITY_ERROR; } diff --git a/src/core/lib/security/transport/security_connector.h b/src/core/lib/security/transport/security_connector.h index cf56cb3183..d74f6739c0 100644 --- a/src/core/lib/security/transport/security_connector.h +++ b/src/core/lib/security/transport/security_connector.h @@ -34,11 +34,14 @@ #ifndef GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_CONNECTOR_H #define GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_CONNECTOR_H +#include <stdbool.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/tsi/ssl_transport_security.h" #include "src/core/tsi/transport_security_interface.h" /* --- status enum. --- */ @@ -184,13 +187,10 @@ grpc_server_security_connector *grpc_fake_server_security_connector_create( void); /* Config for ssl clients. */ + typedef struct { - unsigned char *pem_private_key; - size_t pem_private_key_size; - unsigned char *pem_cert_chain; - size_t pem_cert_chain_size; - unsigned char *pem_root_certs; - size_t pem_root_certs_size; + tsi_ssl_pem_key_cert_pair pem_key_cert_pair; + char *pem_root_certs; } grpc_ssl_config; /* Creates an SSL channel_security_connector. @@ -211,21 +211,17 @@ grpc_security_status grpc_ssl_channel_security_connector_create( const grpc_ssl_config *config, const char *target_name, const char *overridden_target_name, grpc_channel_security_connector **sc); -/* Gets the default ssl roots. */ -size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs); +/* Gets the default ssl roots. Returns NULL if not found. */ +const char *grpc_get_default_ssl_roots(void); /* Exposed for TESTING ONLY!. */ grpc_slice grpc_get_default_ssl_roots_for_testing(void); /* Config for ssl servers. */ typedef struct { - unsigned char **pem_private_keys; - size_t *pem_private_keys_sizes; - unsigned char **pem_cert_chains; - size_t *pem_cert_chains_sizes; + tsi_ssl_pem_key_cert_pair *pem_key_cert_pairs; size_t num_key_cert_pairs; - unsigned char *pem_root_certs; - size_t pem_root_certs_size; + char *pem_root_certs; grpc_ssl_client_certificate_request_type client_certificate_request; } grpc_ssl_server_config; diff --git a/src/core/lib/slice/b64.c b/src/core/lib/slice/b64.c index 2007cc4810..d9091646e0 100644 --- a/src/core/lib/slice/b64.c +++ b/src/core/lib/slice/b64.c @@ -202,7 +202,7 @@ static int decode_group(const unsigned char *codes, size_t num_codes, 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); + grpc_slice result = GRPC_SLICE_MALLOC(b64_len); unsigned char *current = GRPC_SLICE_START_PTR(result); size_t result_size = 0; unsigned char codes[4]; diff --git a/src/core/lib/slice/percent_encoding.c b/src/core/lib/slice/percent_encoding.c index c76c58d371..a77c69763f 100644 --- a/src/core/lib/slice/percent_encoding.c +++ b/src/core/lib/slice/percent_encoding.c @@ -71,7 +71,7 @@ grpc_slice grpc_percent_encode_slice(grpc_slice slice, return grpc_slice_ref_internal(slice); } // second pass: actually encode - grpc_slice out = grpc_slice_malloc(output_length); + grpc_slice out = GRPC_SLICE_MALLOC(output_length); uint8_t *q = GRPC_SLICE_START_PTR(out); for (p = slice_start; p < slice_end; p++) { if (is_unreserved_character(*p, unreserved_bytes)) { @@ -125,7 +125,7 @@ bool grpc_strict_percent_decode_slice(grpc_slice slice_in, return true; } p = GRPC_SLICE_START_PTR(slice_in); - *slice_out = grpc_slice_malloc(out_length); + *slice_out = GRPC_SLICE_MALLOC(out_length); uint8_t *q = GRPC_SLICE_START_PTR(*slice_out); while (p != in_end) { if (*p == '%') { @@ -163,7 +163,7 @@ grpc_slice grpc_permissive_percent_decode_slice(grpc_slice slice_in) { return grpc_slice_ref_internal(slice_in); } p = GRPC_SLICE_START_PTR(slice_in); - grpc_slice out = grpc_slice_malloc(out_length); + grpc_slice out = GRPC_SLICE_MALLOC(out_length); uint8_t *q = GRPC_SLICE_START_PTR(out); while (p != in_end) { if (*p == '%') { diff --git a/src/core/lib/slice/slice.c b/src/core/lib/slice/slice.c index a2fcbbdbdf..b90738fd1a 100644 --- a/src/core/lib/slice/slice.c +++ b/src/core/lib/slice/slice.c @@ -55,6 +55,13 @@ grpc_slice grpc_empty_slice(void) { return out; } +grpc_slice grpc_slice_copy(grpc_slice s) { + grpc_slice out = GRPC_SLICE_MALLOC(GRPC_SLICE_LENGTH(s)); + memcpy(GRPC_SLICE_START_PTR(out), GRPC_SLICE_START_PTR(s), + GRPC_SLICE_LENGTH(s)); + return out; +} + grpc_slice grpc_slice_ref_internal(grpc_slice slice) { if (slice.refcount) { slice.refcount->vtable->ref(slice.refcount); @@ -198,7 +205,7 @@ grpc_slice grpc_slice_new_with_len(void *p, size_t len, grpc_slice grpc_slice_from_copied_buffer(const char *source, size_t length) { if (length == 0) return grpc_empty_slice(); - grpc_slice slice = grpc_slice_malloc(length); + grpc_slice slice = GRPC_SLICE_MALLOC(length); memcpy(GRPC_SLICE_START_PTR(slice), source, length); return slice; } @@ -228,35 +235,42 @@ static const grpc_slice_refcount_vtable malloc_vtable = { malloc_ref, malloc_unref, grpc_slice_default_eq_impl, grpc_slice_default_hash_impl}; +grpc_slice grpc_slice_malloc_large(size_t length) { + grpc_slice slice; + + /* Memory layout used by the slice created here: + + +-----------+----------------------------------------------------------+ + | refcount | bytes | + +-----------+----------------------------------------------------------+ + + refcount is a malloc_refcount + bytes is an array of bytes of the requested length + Both parts are placed in the same allocation returned from gpr_malloc */ + malloc_refcount *rc = gpr_malloc(sizeof(malloc_refcount) + length); + + /* Initial refcount on rc is 1 - and it's up to the caller to release + this reference. */ + gpr_ref_init(&rc->refs, 1); + + rc->base.vtable = &malloc_vtable; + rc->base.sub_refcount = &rc->base; + + /* Build up the slice to be returned. */ + /* The slices refcount points back to the allocated block. */ + slice.refcount = &rc->base; + /* The data bytes are placed immediately after the refcount struct */ + slice.data.refcounted.bytes = (uint8_t *)(rc + 1); + /* And the length of the block is set to the requested length */ + slice.data.refcounted.length = length; + return slice; +} + grpc_slice grpc_slice_malloc(size_t length) { grpc_slice slice; if (length > sizeof(slice.data.inlined.bytes)) { - /* Memory layout used by the slice created here: - - +-----------+----------------------------------------------------------+ - | refcount | bytes | - +-----------+----------------------------------------------------------+ - - refcount is a malloc_refcount - bytes is an array of bytes of the requested length - Both parts are placed in the same allocation returned from gpr_malloc */ - malloc_refcount *rc = gpr_malloc(sizeof(malloc_refcount) + length); - - /* Initial refcount on rc is 1 - and it's up to the caller to release - this reference. */ - gpr_ref_init(&rc->refs, 1); - - rc->base.vtable = &malloc_vtable; - rc->base.sub_refcount = &rc->base; - - /* Build up the slice to be returned. */ - /* The slices refcount points back to the allocated block. */ - slice.refcount = &rc->base; - /* The data bytes are placed immediately after the refcount struct */ - slice.data.refcounted.bytes = (uint8_t *)(rc + 1); - /* And the length of the block is set to the requested length */ - slice.data.refcounted.length = length; + return grpc_slice_malloc_large(length); } else { /* small slice: just inline the data */ slice.refcount = NULL; @@ -306,7 +320,8 @@ grpc_slice grpc_slice_sub(grpc_slice source, size_t begin, size_t end) { return subset; } -grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { +grpc_slice grpc_slice_split_tail_maybe_ref(grpc_slice *source, size_t split, + grpc_slice_ref_whom ref_whom) { grpc_slice tail; if (source->refcount == NULL) { @@ -320,28 +335,46 @@ grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { } else { size_t tail_length = source->data.refcounted.length - split; GPR_ASSERT(source->data.refcounted.length >= split); - if (tail_length < sizeof(tail.data.inlined.bytes)) { + if (tail_length < sizeof(tail.data.inlined.bytes) && + ref_whom != GRPC_SLICE_REF_TAIL) { /* Copy out the bytes - it'll be cheaper than refcounting */ tail.refcount = NULL; tail.data.inlined.length = (uint8_t)tail_length; memcpy(tail.data.inlined.bytes, source->data.refcounted.bytes + split, tail_length); + source->refcount = source->refcount->sub_refcount; } else { /* Build the result */ - tail.refcount = source->refcount->sub_refcount; - /* Bump the refcount */ - tail.refcount->vtable->ref(tail.refcount); + switch (ref_whom) { + case GRPC_SLICE_REF_TAIL: + tail.refcount = source->refcount->sub_refcount; + source->refcount = &noop_refcount; + break; + case GRPC_SLICE_REF_HEAD: + tail.refcount = &noop_refcount; + source->refcount = source->refcount->sub_refcount; + break; + case GRPC_SLICE_REF_BOTH: + tail.refcount = source->refcount->sub_refcount; + source->refcount = source->refcount->sub_refcount; + /* Bump the refcount */ + tail.refcount->vtable->ref(tail.refcount); + break; + } /* Point into the source array */ tail.data.refcounted.bytes = source->data.refcounted.bytes + split; tail.data.refcounted.length = tail_length; } - source->refcount = source->refcount->sub_refcount; source->data.refcounted.length = split; } return tail; } +grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { + return grpc_slice_split_tail_maybe_ref(source, split, GRPC_SLICE_REF_BOTH); +} + grpc_slice grpc_slice_split_head(grpc_slice *source, size_t split) { grpc_slice head; @@ -459,7 +492,7 @@ int grpc_slice_slice(grpc_slice haystack, grpc_slice needle) { } grpc_slice grpc_slice_dup(grpc_slice a) { - grpc_slice copy = grpc_slice_malloc(GRPC_SLICE_LENGTH(a)); + grpc_slice copy = GRPC_SLICE_MALLOC(GRPC_SLICE_LENGTH(a)); memcpy(GRPC_SLICE_START_PTR(copy), GRPC_SLICE_START_PTR(a), GRPC_SLICE_LENGTH(a)); return copy; diff --git a/src/core/lib/slice/slice_buffer.c b/src/core/lib/slice/slice_buffer.c index c96b9c3b28..e8d41ca0f7 100644 --- a/src/core/lib/slice/slice_buffer.c +++ b/src/core/lib/slice/slice_buffer.c @@ -253,16 +253,18 @@ void grpc_slice_buffer_move_into(grpc_slice_buffer *src, src->length = 0; } -void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, - grpc_slice_buffer *dst) { - size_t output_len = dst->length + n; - size_t new_input_len = src->length - n; +static void slice_buffer_move_first_maybe_ref(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst, + bool incref) { GPR_ASSERT(src->length >= n); if (src->length == n) { grpc_slice_buffer_move_into(src, dst); return; } + size_t output_len = dst->length + n; + size_t new_input_len = src->length - n; + while (src->count > 0) { grpc_slice slice = grpc_slice_buffer_take_first(src); size_t slice_len = GRPC_SLICE_LENGTH(slice); @@ -272,11 +274,18 @@ void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, } else if (n == slice_len) { grpc_slice_buffer_add(dst, slice); break; - } else { /* n < slice_len */ - grpc_slice_buffer_undo_take_first(src, grpc_slice_split_tail(&slice, n)); + } else if (incref) { /* n < slice_len */ + grpc_slice_buffer_undo_take_first( + src, grpc_slice_split_tail_maybe_ref(&slice, n, GRPC_SLICE_REF_BOTH)); GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == n); grpc_slice_buffer_add(dst, slice); break; + } else { /* n < slice_len */ + grpc_slice_buffer_undo_take_first( + src, grpc_slice_split_tail_maybe_ref(&slice, n, GRPC_SLICE_REF_TAIL)); + GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == n); + grpc_slice_buffer_add_indexed(dst, slice); + break; } } GPR_ASSERT(dst->length == output_len); @@ -284,6 +293,16 @@ void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, GPR_ASSERT(src->count > 0); } +void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst) { + slice_buffer_move_first_maybe_ref(src, n, dst, true); +} + +void grpc_slice_buffer_move_first_no_ref(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst) { + slice_buffer_move_first_maybe_ref(src, n, dst, false); +} + void grpc_slice_buffer_move_first_into_buffer(grpc_exec_ctx *exec_ctx, grpc_slice_buffer *src, size_t n, void *dst) { diff --git a/src/core/lib/slice/slice_hash_table.c b/src/core/lib/slice/slice_hash_table.c index 219567f36f..444f22aa19 100644 --- a/src/core/lib/slice/slice_hash_table.c +++ b/src/core/lib/slice/slice_hash_table.c @@ -42,56 +42,47 @@ struct grpc_slice_hash_table { gpr_refcount refs; + void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value); size_t size; + size_t max_num_probes; grpc_slice_hash_table_entry* entries; }; static bool is_empty(grpc_slice_hash_table_entry* entry) { - return entry->vtable == NULL; + return entry->value == NULL; } -// Helper function for insert and get operations that performs quadratic -// probing (https://en.wikipedia.org/wiki/Quadratic_probing). -static size_t grpc_slice_hash_table_find_index( - const grpc_slice_hash_table* table, const grpc_slice key, bool find_empty) { - size_t hash = grpc_slice_hash(key); - for (size_t i = 0; i < table->size; ++i) { - const size_t idx = (hash + i * i) % table->size; +static void grpc_slice_hash_table_add(grpc_slice_hash_table* table, + grpc_slice key, void* value) { + GPR_ASSERT(value != NULL); + const size_t hash = grpc_slice_hash(key); + for (size_t offset = 0; offset < table->size; ++offset) { + const size_t idx = (hash + offset) % table->size; if (is_empty(&table->entries[idx])) { - return find_empty ? idx : table->size; - } - if (grpc_slice_eq(table->entries[idx].key, key)) { - return idx; + table->entries[idx].key = key; + table->entries[idx].value = value; + // Keep track of the maximum number of probes needed, since this + // provides an upper bound for lookups. + if (offset > table->max_num_probes) table->max_num_probes = offset; + return; } } - return table->size; // Not found. -} - -static void grpc_slice_hash_table_add( - grpc_slice_hash_table* table, grpc_slice key, void* value, - const grpc_slice_hash_table_vtable* vtable) { - GPR_ASSERT(value != NULL); - const size_t idx = - grpc_slice_hash_table_find_index(table, key, true /* find_empty */); - GPR_ASSERT(idx != table->size); // Table should never be full. - grpc_slice_hash_table_entry* entry = &table->entries[idx]; - entry->key = grpc_slice_ref_internal(key); - entry->value = vtable->copy_value(value); - entry->vtable = vtable; + GPR_ASSERT(false); // Table should never be full. } grpc_slice_hash_table* grpc_slice_hash_table_create( - size_t num_entries, grpc_slice_hash_table_entry* entries) { + size_t num_entries, grpc_slice_hash_table_entry* entries, + void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value)) { grpc_slice_hash_table* table = gpr_zalloc(sizeof(*table)); gpr_ref_init(&table->refs, 1); - // Quadratic probing gets best performance when the table is no more - // than half full. + table->destroy_value = destroy_value; + // Keep load factor low to improve performance of lookups. table->size = num_entries * 2; const size_t entry_size = sizeof(grpc_slice_hash_table_entry) * table->size; table->entries = gpr_zalloc(entry_size); for (size_t i = 0; i < num_entries; ++i) { grpc_slice_hash_table_entry* entry = &entries[i]; - grpc_slice_hash_table_add(table, entry->key, entry->value, entry->vtable); + grpc_slice_hash_table_add(table, entry->key, entry->value); } return table; } @@ -108,7 +99,7 @@ void grpc_slice_hash_table_unref(grpc_exec_ctx* exec_ctx, grpc_slice_hash_table_entry* entry = &table->entries[i]; if (!is_empty(entry)) { grpc_slice_unref_internal(exec_ctx, entry->key); - entry->vtable->destroy_value(exec_ctx, entry->value); + table->destroy_value(exec_ctx, entry->value); } } gpr_free(table->entries); @@ -118,8 +109,15 @@ void grpc_slice_hash_table_unref(grpc_exec_ctx* exec_ctx, void* grpc_slice_hash_table_get(const grpc_slice_hash_table* table, const grpc_slice key) { - const size_t idx = - grpc_slice_hash_table_find_index(table, key, false /* find_empty */); - if (idx == table->size) return NULL; // Not found. - return table->entries[idx].value; + const size_t hash = grpc_slice_hash(key); + // We cap the number of probes at the max number recorded when + // populating the table. + for (size_t offset = 0; offset <= table->max_num_probes; ++offset) { + const size_t idx = (hash + offset) % table->size; + if (is_empty(&table->entries[idx])) break; + if (grpc_slice_eq(table->entries[idx].key, key)) { + return table->entries[idx].value; + } + } + return NULL; // Not found. } diff --git a/src/core/lib/slice/slice_hash_table.h b/src/core/lib/slice/slice_hash_table.h index d0c27122d7..1e61c5eb11 100644 --- a/src/core/lib/slice/slice_hash_table.h +++ b/src/core/lib/slice/slice_hash_table.h @@ -37,33 +37,28 @@ /** Hash table implementation. * * This implementation uses open addressing - * (https://en.wikipedia.org/wiki/Open_addressing) with quadratic - * probing (https://en.wikipedia.org/wiki/Quadratic_probing). + * (https://en.wikipedia.org/wiki/Open_addressing) with linear + * probing (https://en.wikipedia.org/wiki/Linear_probing). * * The keys are \a grpc_slice objects. The values are arbitrary pointers - * with a common vtable. + * with a common destroy function. * * Hash tables are intentionally immutable, to avoid the need for locking. */ typedef struct grpc_slice_hash_table grpc_slice_hash_table; -typedef struct grpc_slice_hash_table_vtable { - void (*destroy_value)(grpc_exec_ctx *exec_ctx, void *value); - void *(*copy_value)(void *value); -} grpc_slice_hash_table_vtable; - typedef struct grpc_slice_hash_table_entry { grpc_slice key; void *value; /* Must not be NULL. */ - const grpc_slice_hash_table_vtable *vtable; } grpc_slice_hash_table_entry; /** Creates a new hash table of containing \a entries, which is an array - of length \a num_entries. - Creates its own copy of all keys and values from \a entries. */ + of length \a num_entries. Takes ownership of all keys and values in + \a entries. Values will be cleaned up via \a destroy_value(). */ grpc_slice_hash_table *grpc_slice_hash_table_create( - size_t num_entries, grpc_slice_hash_table_entry *entries); + size_t num_entries, grpc_slice_hash_table_entry *entries, + void (*destroy_value)(grpc_exec_ctx *exec_ctx, void *value)); grpc_slice_hash_table *grpc_slice_hash_table_ref(grpc_slice_hash_table *table); void grpc_slice_hash_table_unref(grpc_exec_ctx *exec_ctx, diff --git a/src/core/lib/support/atomic.h b/src/core/lib/support/atomic.h new file mode 100644 index 0000000000..2226189b68 --- /dev/null +++ b/src/core/lib/support/atomic.h @@ -0,0 +1,45 @@ +/* + * + * Copyright 2017, 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_SUPPORT_ATOMIC_H +#define GRPC_CORE_LIB_SUPPORT_ATOMIC_H + +#include <grpc/support/port_platform.h> + +#ifdef GPR_HAS_CXX11_ATOMIC +#include "src/core/lib/support/atomic_with_std.h" +#else +#include "src/core/lib/support/atomic_with_atm.h" +#endif + +#endif /* GRPC_CORE_LIB_SUPPORT_ATOMIC_H */ diff --git a/src/core/lib/support/atomic_with_atm.h b/src/core/lib/support/atomic_with_atm.h new file mode 100644 index 0000000000..55727f1dee --- /dev/null +++ b/src/core/lib/support/atomic_with_atm.h @@ -0,0 +1,70 @@ +/* + * + * Copyright 2017, 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_SUPPORT_ATOMIC_WITH_ATM_H +#define GRPC_CORE_LIB_SUPPORT_ATOMIC_WITH_ATM_H + +#include <grpc/support/atm.h> + +namespace grpc_core { + +enum MemoryOrderRelaxed { memory_order_relaxed }; + +template <class T> +class atomic; + +template <> +class atomic<bool> { + public: + atomic() { gpr_atm_no_barrier_store(&x_, static_cast<gpr_atm>(false)); } + explicit atomic(bool x) { + gpr_atm_no_barrier_store(&x_, static_cast<gpr_atm>(x)); + } + + bool compare_exchange_strong(bool& expected, bool update, MemoryOrderRelaxed, + MemoryOrderRelaxed) { + if (!gpr_atm_no_barrier_cas(&x_, static_cast<gpr_atm>(expected), + static_cast<gpr_atm>(update))) { + expected = gpr_atm_no_barrier_load(&x_) != 0; + return false; + } + return true; + } + + private: + gpr_atm x_; +}; + +} // namespace grpc_core + +#endif /* GRPC_CORE_LIB_SUPPORT_ATOMIC_WITH_ATM_H */ diff --git a/src/core/lib/support/atomic_with_std.h b/src/core/lib/support/atomic_with_std.h new file mode 100644 index 0000000000..7e9c19efe8 --- /dev/null +++ b/src/core/lib/support/atomic_with_std.h @@ -0,0 +1,48 @@ +/* + * + * Copyright 2017, 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_SUPPORT_ATOMIC_WITH_STD_H +#define GRPC_CORE_LIB_SUPPORT_ATOMIC_WITH_STD_H + +#include <atomic> + +namespace grpc_core { + +template <class T> +using atomic = std::atomic<T>; + +typedef std::memory_order memory_order; + +} // namespace grpc_core + +#endif /* GRPC_CORE_LIB_SUPPORT_ATOMIC_WITH_STD_H */ diff --git a/src/core/lib/support/avl.c b/src/core/lib/support/avl.c index acf8fd5a55..ffa10c1e4f 100644 --- a/src/core/lib/support/avl.c +++ b/src/core/lib/support/avl.c @@ -205,8 +205,8 @@ static gpr_avl_node *rebalance(const gpr_avl_vtable *vtable, void *key, } } -static gpr_avl_node *add(const gpr_avl_vtable *vtable, gpr_avl_node *node, - void *key, void *value) { +static gpr_avl_node *add_key(const gpr_avl_vtable *vtable, gpr_avl_node *node, + void *key, void *value) { long cmp; if (node == NULL) { return new_node(key, value, NULL, NULL); @@ -217,17 +217,17 @@ static gpr_avl_node *add(const gpr_avl_vtable *vtable, gpr_avl_node *node, } else if (cmp > 0) { return rebalance( vtable, vtable->copy_key(node->key), vtable->copy_value(node->value), - add(vtable, node->left, key, value), ref_node(node->right)); + add_key(vtable, node->left, key, value), ref_node(node->right)); } else { return rebalance(vtable, vtable->copy_key(node->key), vtable->copy_value(node->value), ref_node(node->left), - add(vtable, node->right, key, value)); + add_key(vtable, node->right, key, value)); } } gpr_avl gpr_avl_add(gpr_avl avl, void *key, void *value) { gpr_avl_node *old_root = avl.root; - avl.root = add(avl.vtable, avl.root, key, value); + avl.root = add_key(avl.vtable, avl.root, key, value); assert_invariants(avl.root); unref_node(avl.vtable, old_root); return avl; @@ -247,8 +247,8 @@ static gpr_avl_node *in_order_tail(gpr_avl_node *node) { return node; } -static gpr_avl_node *remove(const gpr_avl_vtable *vtable, gpr_avl_node *node, - void *key) { +static gpr_avl_node *remove_key(const gpr_avl_vtable *vtable, + gpr_avl_node *node, void *key) { long cmp; if (node == NULL) { return NULL; @@ -263,27 +263,27 @@ static gpr_avl_node *remove(const gpr_avl_vtable *vtable, gpr_avl_node *node, gpr_avl_node *h = in_order_head(node->right); return rebalance(vtable, vtable->copy_key(h->key), vtable->copy_value(h->value), ref_node(node->left), - remove(vtable, node->right, h->key)); + remove_key(vtable, node->right, h->key)); } else { gpr_avl_node *h = in_order_tail(node->left); return rebalance( vtable, vtable->copy_key(h->key), vtable->copy_value(h->value), - remove(vtable, node->left, h->key), ref_node(node->right)); + remove_key(vtable, node->left, h->key), ref_node(node->right)); } } else if (cmp > 0) { - return rebalance(vtable, vtable->copy_key(node->key), - vtable->copy_value(node->value), - remove(vtable, node->left, key), ref_node(node->right)); + return rebalance( + vtable, vtable->copy_key(node->key), vtable->copy_value(node->value), + remove_key(vtable, node->left, key), ref_node(node->right)); } else { return rebalance(vtable, vtable->copy_key(node->key), vtable->copy_value(node->value), ref_node(node->left), - remove(vtable, node->right, key)); + remove_key(vtable, node->right, key)); } } gpr_avl gpr_avl_remove(gpr_avl avl, void *key) { gpr_avl_node *old_root = avl.root; - avl.root = remove(avl.vtable, avl.root, key); + avl.root = remove_key(avl.vtable, avl.root, key); assert_invariants(avl.root); unref_node(avl.vtable, old_root); return avl; diff --git a/src/core/lib/support/memory.h b/src/core/lib/support/memory.h new file mode 100644 index 0000000000..6eff94eff7 --- /dev/null +++ b/src/core/lib/support/memory.h @@ -0,0 +1,74 @@ +/* + * + * Copyright 2017, 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_SUPPORT_MEMORY_H +#define GRPC_CORE_LIB_SUPPORT_MEMORY_H + +#include <grpc/support/alloc.h> + +#include <memory> +#include <utility> + +namespace grpc_core { + +// Alternative to new, since we cannot use it (for fear of libstdc++) +template <typename T, typename... Args> +inline T* New(Args&&... args) { + void* p = gpr_malloc(sizeof(T)); + return new (p) T(std::forward<Args>(args)...); +} + +// Alternative to delete, since we cannot use it (for fear of libstdc++) +template <typename T> +inline void Delete(T* p) { + p->~T(); + gpr_free(p); +} + +template <typename T> +class DefaultDelete { + public: + void operator()(T* p) { Delete(p); } +}; + +template <typename T, typename Deleter = DefaultDelete<T>> +using UniquePtr = std::unique_ptr<T, Deleter>; + +template <typename T, typename... Args> +inline UniquePtr<T> MakeUnique(Args&&... args) { + return UniquePtr<T>(New<T>(std::forward<Args>(args)...)); +} + +} // namespace grpc_core + +#endif /* GRPC_CORE_LIB_SUPPORT_MEMORY_H */ diff --git a/src/core/lib/support/stack_lockfree.c b/src/core/lib/support/stack_lockfree.c index 9d7c9e5a38..dfbd3fb125 100644 --- a/src/core/lib/support/stack_lockfree.c +++ b/src/core/lib/support/stack_lockfree.c @@ -72,28 +72,20 @@ typedef union lockfree_node { struct gpr_stack_lockfree { lockfree_node *entries; lockfree_node head; /* An atomic entry describing curr head */ - -#ifndef NDEBUG - /* Bitmap of pushed entries to check for double-push or pop */ - gpr_atm pushed[(INVALID_ENTRY_INDEX + 1) / (8 * sizeof(gpr_atm))]; -#endif }; gpr_stack_lockfree *gpr_stack_lockfree_create(size_t entries) { gpr_stack_lockfree *stack; - stack = gpr_malloc(sizeof(*stack)); + stack = (gpr_stack_lockfree *)gpr_malloc(sizeof(*stack)); /* Since we only allocate 16 bits to represent an entry number, * make sure that we are within the desired range */ /* Reserve the highest entry number as a dummy */ GPR_ASSERT(entries < INVALID_ENTRY_INDEX); - stack->entries = gpr_malloc_aligned(entries * sizeof(stack->entries[0]), - ENTRY_ALIGNMENT_BITS); + stack->entries = (lockfree_node *)gpr_malloc_aligned( + entries * sizeof(stack->entries[0]), ENTRY_ALIGNMENT_BITS); /* Clear out all entries */ memset(stack->entries, 0, entries * sizeof(stack->entries[0])); memset(&stack->head, 0, sizeof(stack->head)); -#ifndef NDEBUG - memset(&stack->pushed, 0, sizeof(stack->pushed)); -#endif GPR_ASSERT(sizeof(stack->entries->atm) == sizeof(stack->entries->contents)); @@ -130,19 +122,6 @@ int gpr_stack_lockfree_push(gpr_stack_lockfree *stack, int entry) { newhead.contents.aba_ctr = ++curent.contents.aba_ctr; gpr_atm_no_barrier_store(&stack->entries[entry].atm, curent.atm); -#ifndef NDEBUG - /* Check for double push */ - { - int pushed_index = entry / (int)(8 * sizeof(gpr_atm)); - int pushed_bit = entry % (int)(8 * sizeof(gpr_atm)); - gpr_atm old_val; - - old_val = gpr_atm_no_barrier_fetch_add(&stack->pushed[pushed_index], - ((gpr_atm)1 << pushed_bit)); - GPR_ASSERT((old_val & (((gpr_atm)1) << pushed_bit)) == 0); - } -#endif - do { /* Atomically get the existing head value for use */ head.atm = gpr_atm_no_barrier_load(&(stack->head.atm)); @@ -168,18 +147,6 @@ int gpr_stack_lockfree_pop(gpr_stack_lockfree *stack) { gpr_atm_no_barrier_load(&(stack->entries[head.contents.index].atm)); } while (!gpr_atm_no_barrier_cas(&(stack->head.atm), head.atm, newhead.atm)); -#ifndef NDEBUG - /* Check for valid pop */ - { - int pushed_index = head.contents.index / (8 * sizeof(gpr_atm)); - int pushed_bit = head.contents.index % (8 * sizeof(gpr_atm)); - gpr_atm old_val; - - old_val = gpr_atm_no_barrier_fetch_add(&stack->pushed[pushed_index], - -((gpr_atm)1 << pushed_bit)); - GPR_ASSERT((old_val & (((gpr_atm)1) << pushed_bit)) != 0); - } -#endif return head.contents.index; } diff --git a/src/core/lib/support/time_posix.c b/src/core/lib/support/time_posix.c index a69c501e9f..9bfec7782a 100644 --- a/src/core/lib/support/time_posix.c +++ b/src/core/lib/support/time_posix.c @@ -42,6 +42,7 @@ #ifdef __linux__ #include <sys/syscall.h> #endif +#include <grpc/support/atm.h> #include <grpc/support/log.h> #include <grpc/support/time.h> #include "src/core/lib/support/block_annotate.h" @@ -144,7 +145,14 @@ static gpr_timespec now_impl(gpr_clock_type clock) { gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type) = now_impl; +#ifdef GPR_LOW_LEVEL_COUNTERS +gpr_atm gpr_now_call_count; +#endif + gpr_timespec gpr_now(gpr_clock_type clock_type) { +#ifdef GPR_LOW_LEVEL_COUNTERS + __atomic_fetch_add(&gpr_now_call_count, 1, __ATOMIC_RELAXED); +#endif return gpr_now_impl(clock_type); } diff --git a/src/core/lib/support/tmpfile_posix.c b/src/core/lib/support/tmpfile_posix.c index 0cd4bb6fc3..5771c158e0 100644 --- a/src/core/lib/support/tmpfile_posix.c +++ b/src/core/lib/support/tmpfile_posix.c @@ -50,34 +50,34 @@ FILE *gpr_tmpfile(const char *prefix, char **tmp_filename) { FILE *result = NULL; - char *template; + char *filename_template; int fd; if (tmp_filename != NULL) *tmp_filename = NULL; - gpr_asprintf(&template, "/tmp/%s_XXXXXX", prefix); - GPR_ASSERT(template != NULL); + gpr_asprintf(&filename_template, "/tmp/%s_XXXXXX", prefix); + GPR_ASSERT(filename_template != NULL); - fd = mkstemp(template); + fd = mkstemp(filename_template); if (fd == -1) { - gpr_log(GPR_ERROR, "mkstemp failed for template %s with error %s.", - template, strerror(errno)); + gpr_log(GPR_ERROR, "mkstemp failed for filename_template %s with error %s.", + filename_template, strerror(errno)); goto end; } result = fdopen(fd, "w+"); if (result == NULL) { gpr_log(GPR_ERROR, "Could not open file %s from fd %d (error = %s).", - template, fd, strerror(errno)); - unlink(template); + filename_template, fd, strerror(errno)); + unlink(filename_template); close(fd); goto end; } end: if (result != NULL && tmp_filename != NULL) { - *tmp_filename = template; + *tmp_filename = filename_template; } else { - gpr_free(template); + gpr_free(filename_template); } return result; } diff --git a/src/core/lib/surface/byte_buffer_reader.c b/src/core/lib/surface/byte_buffer_reader.c index 1a6ccdaddb..539b014278 100644 --- a/src/core/lib/surface/byte_buffer_reader.c +++ b/src/core/lib/surface/byte_buffer_reader.c @@ -124,7 +124,7 @@ grpc_slice grpc_byte_buffer_reader_readall(grpc_byte_buffer_reader *reader) { grpc_slice in_slice; size_t bytes_read = 0; const size_t input_size = grpc_byte_buffer_length(reader->buffer_out); - grpc_slice out_slice = grpc_slice_malloc(input_size); + 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; diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index 97d50a91be..7525806583 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -160,6 +160,7 @@ typedef struct { } child_call; struct grpc_call { + gpr_refcount ext_ref; gpr_arena *arena; grpc_completion_queue *cq; grpc_polling_entity pollent; @@ -170,7 +171,7 @@ struct grpc_call { /* client or server call */ bool is_client; - /** has grpc_call_destroy been called */ + /** has grpc_call_unref been called */ bool destroy_called; /** flag indicating that cancellation is inherited */ bool cancellation_is_inherited; @@ -244,6 +245,7 @@ struct grpc_call { }; int grpc_call_error_trace = 0; +int grpc_compression_trace = 0; #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1)) #define CALL_FROM_CALL_STACK(call_stack) (((grpc_call *)(call_stack)) - 1) @@ -282,6 +284,10 @@ static void add_init_error(grpc_error **composite, grpc_error *new) { *composite = grpc_error_add_child(*composite, new); } +void *grpc_call_arena_alloc(grpc_call *call, size_t size) { + return gpr_arena_alloc(call->arena, size); +} + static parent_call *get_or_create_parent_call(grpc_call *call) { parent_call *p = (parent_call *)gpr_atm_acq_load(&call->parent_call_atm); if (p == NULL) { @@ -312,6 +318,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, gpr_arena_create(grpc_channel_get_call_size_estimate(args->channel)); call = gpr_arena_alloc(arena, sizeof(grpc_call) + channel_stack->call_stack_size); + gpr_ref_init(&call->ext_ref, 1); call->arena = arena; *out_call = call; call->channel = args->channel; @@ -346,6 +353,8 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, gpr_timespec send_deadline = gpr_convert_clock_type(args->send_deadline, GPR_CLOCK_MONOTONIC); + bool immediately_cancel = false; + if (args->parent_call != NULL) { child_call *cc = call->child_call = gpr_arena_alloc(arena, sizeof(child_call)); @@ -386,8 +395,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, if (args->propagation_mask & GRPC_PROPAGATE_CANCELLATION) { call->cancellation_is_inherited = 1; if (gpr_atm_acq_load(&args->parent_call->received_final_op_atm)) { - cancel_with_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE, - GRPC_ERROR_CANCELLED); + immediately_cancel = true; } } @@ -407,7 +415,7 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, call->send_deadline = send_deadline; GRPC_CHANNEL_INTERNAL_REF(args->channel, "call"); - /* initial refcount dropped by grpc_call_destroy */ + /* initial refcount dropped by grpc_call_unref */ grpc_call_element_args call_args = { .call_stack = CALL_STACK_FROM_CALL(call), .server_transport_data = args->server_transport_data, @@ -422,6 +430,10 @@ grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, cancel_with_error(exec_ctx, call, STATUS_FROM_SURFACE, GRPC_ERROR_REF(error)); } + if (immediately_cancel) { + cancel_with_error(exec_ctx, call, STATUS_FROM_API_OVERRIDE, + GRPC_ERROR_CANCELLED); + } if (args->cq != NULL) { GPR_ASSERT( args->pollset_set_alternative == NULL && @@ -528,12 +540,16 @@ static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, GPR_TIMER_END("destroy_call", 0); } -void grpc_call_destroy(grpc_call *c) { +void grpc_call_ref(grpc_call *c) { gpr_ref(&c->ext_ref); } + +void grpc_call_unref(grpc_call *c) { + if (!gpr_unref(&c->ext_ref)) return; + child_call *cc = c->child_call; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - GPR_TIMER_BEGIN("grpc_call_destroy", 0); - GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c)); + GPR_TIMER_BEGIN("grpc_call_unref", 0); + GRPC_API_TRACE("grpc_call_unref(c=%p)", 1, (c)); if (cc) { parent_call *pc = get_parent_call(cc->parent); @@ -560,7 +576,7 @@ void grpc_call_destroy(grpc_call *c) { } GRPC_CALL_INTERNAL_UNREF(&exec_ctx, c, "destroy"); grpc_exec_ctx_finish(&exec_ctx); - GPR_TIMER_END("grpc_call_destroy", 0); + GPR_TIMER_END("grpc_call_unref", 0); } grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) { @@ -1187,6 +1203,7 @@ static void finish_batch_step(grpc_exec_ctx *exec_ctx, batch_control *bctl) { static void continue_receiving_slices(grpc_exec_ctx *exec_ctx, batch_control *bctl) { + grpc_error *error; grpc_call *call = bctl->call; for (;;) { size_t remaining = call->receiving_stream->length - @@ -1198,11 +1215,22 @@ static void continue_receiving_slices(grpc_exec_ctx *exec_ctx, finish_batch_step(exec_ctx, bctl); return; } - if (grpc_byte_stream_next(exec_ctx, call->receiving_stream, - &call->receiving_slice, remaining, + if (grpc_byte_stream_next(exec_ctx, call->receiving_stream, remaining, &call->receiving_slice_ready)) { - grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, - call->receiving_slice); + error = grpc_byte_stream_pull(exec_ctx, call->receiving_stream, + &call->receiving_slice); + if (error == GRPC_ERROR_NONE) { + grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, + call->receiving_slice); + } else { + grpc_byte_stream_destroy(exec_ctx, call->receiving_stream); + call->receiving_stream = NULL; + grpc_byte_buffer_destroy(*call->receiving_buffer); + *call->receiving_buffer = NULL; + call->receiving_message = 0; + finish_batch_step(exec_ctx, bctl); + return; + } } else { return; } @@ -1213,12 +1241,24 @@ static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, grpc_error *error) { batch_control *bctl = bctlp; grpc_call *call = bctl->call; + grpc_byte_stream *bs = call->receiving_stream; + bool release_error = false; if (error == GRPC_ERROR_NONE) { - grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, - call->receiving_slice); - continue_receiving_slices(exec_ctx, bctl); - } else { + grpc_slice slice; + error = grpc_byte_stream_pull(exec_ctx, bs, &slice); + if (error == GRPC_ERROR_NONE) { + grpc_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer, + slice); + continue_receiving_slices(exec_ctx, bctl); + } else { + /* Error returned by grpc_byte_stream_pull needs to be released manually + */ + release_error = true; + } + } + + if (error != GRPC_ERROR_NONE) { if (grpc_trace_operation_failures) { GRPC_LOG_IF_ERROR("receiving_slice_ready", GRPC_ERROR_REF(error)); } @@ -1226,7 +1266,11 @@ static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp, call->receiving_stream = NULL; grpc_byte_buffer_destroy(*call->receiving_buffer); *call->receiving_buffer = NULL; + call->receiving_message = 0; finish_batch_step(exec_ctx, bctl); + if (release_error) { + GRPC_ERROR_UNREF(error); + } } } diff --git a/src/core/lib/surface/channel_init.c b/src/core/lib/surface/channel_init.c index 7acb444d9b..20f5753004 100644 --- a/src/core/lib/surface/channel_init.c +++ b/src/core/lib/surface/channel_init.c @@ -104,30 +104,13 @@ void grpc_channel_init_shutdown(void) { } } -static const char *name_for_type(grpc_channel_stack_type type) { - switch (type) { - case GRPC_CLIENT_CHANNEL: - return "CLIENT_CHANNEL"; - case GRPC_CLIENT_SUBCHANNEL: - return "CLIENT_SUBCHANNEL"; - case GRPC_SERVER_CHANNEL: - return "SERVER_CHANNEL"; - case GRPC_CLIENT_LAME_CHANNEL: - return "CLIENT_LAME_CHANNEL"; - case GRPC_CLIENT_DIRECT_CHANNEL: - return "CLIENT_DIRECT_CHANNEL"; - case GRPC_NUM_CHANNEL_STACK_TYPES: - break; - } - GPR_UNREACHABLE_CODE(return "UNKNOWN"); -} - bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx, grpc_channel_stack_builder *builder, grpc_channel_stack_type type) { GPR_ASSERT(g_finalized); - grpc_channel_stack_builder_set_name(builder, name_for_type(type)); + grpc_channel_stack_builder_set_name(builder, + grpc_channel_stack_type_string(type)); for (size_t i = 0; i < g_slots[type].num_slots; i++) { const stage_slot *slot = &g_slots[type].slots[i]; diff --git a/src/core/lib/surface/channel_stack_type.c b/src/core/lib/surface/channel_stack_type.c index c35d603ca3..ed3b53fb36 100644 --- a/src/core/lib/surface/channel_stack_type.c +++ b/src/core/lib/surface/channel_stack_type.c @@ -52,3 +52,21 @@ bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type) { } GPR_UNREACHABLE_CODE(return true;); } + +const char *grpc_channel_stack_type_string(grpc_channel_stack_type type) { + switch (type) { + case GRPC_CLIENT_CHANNEL: + return "CLIENT_CHANNEL"; + case GRPC_CLIENT_SUBCHANNEL: + return "CLIENT_SUBCHANNEL"; + case GRPC_SERVER_CHANNEL: + return "SERVER_CHANNEL"; + case GRPC_CLIENT_LAME_CHANNEL: + return "CLIENT_LAME_CHANNEL"; + case GRPC_CLIENT_DIRECT_CHANNEL: + return "CLIENT_DIRECT_CHANNEL"; + case GRPC_NUM_CHANNEL_STACK_TYPES: + break; + } + GPR_UNREACHABLE_CODE(return "UNKNOWN"); +} diff --git a/src/core/lib/surface/channel_stack_type.h b/src/core/lib/surface/channel_stack_type.h index 4eea4f1b01..ccf4e53d27 100644 --- a/src/core/lib/surface/channel_stack_type.h +++ b/src/core/lib/surface/channel_stack_type.h @@ -55,4 +55,6 @@ typedef enum { bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type); +const char *grpc_channel_stack_type_string(grpc_channel_stack_type type); + #endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_STACK_TYPE_H */ diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c index 3273addf1d..eae3f103b1 100644 --- a/src/core/lib/surface/completion_queue.c +++ b/src/core/lib/surface/completion_queue.c @@ -60,10 +60,155 @@ typedef struct { void *tag; } plucker; +typedef struct { + bool can_get_pollset; + bool can_listen; + size_t (*size)(void); + void (*init)(grpc_pollset *pollset, gpr_mu **mu); + grpc_error *(*kick)(grpc_pollset *pollset, + grpc_pollset_worker *specific_worker); + grpc_error *(*work)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, + grpc_pollset_worker **worker, gpr_timespec now, + gpr_timespec deadline); + void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset, + grpc_closure *closure); + void (*destroy)(grpc_pollset *pollset); +} cq_poller_vtable; + +typedef struct non_polling_worker { + gpr_cv cv; + bool kicked; + struct non_polling_worker *next; + struct non_polling_worker *prev; +} non_polling_worker; + +typedef struct { + gpr_mu mu; + non_polling_worker *root; + grpc_closure *shutdown; +} non_polling_poller; + +static size_t non_polling_poller_size(void) { + return sizeof(non_polling_poller); +} + +static void non_polling_poller_init(grpc_pollset *pollset, gpr_mu **mu) { + non_polling_poller *npp = (non_polling_poller *)pollset; + gpr_mu_init(&npp->mu); + *mu = &npp->mu; +} + +static void non_polling_poller_destroy(grpc_pollset *pollset) { + non_polling_poller *npp = (non_polling_poller *)pollset; + gpr_mu_destroy(&npp->mu); +} + +static grpc_error *non_polling_poller_work(grpc_exec_ctx *exec_ctx, + grpc_pollset *pollset, + grpc_pollset_worker **worker, + gpr_timespec now, + gpr_timespec deadline) { + non_polling_poller *npp = (non_polling_poller *)pollset; + if (npp->shutdown) return GRPC_ERROR_NONE; + non_polling_worker w; + gpr_cv_init(&w.cv); + if (worker != NULL) *worker = (grpc_pollset_worker *)&w; + if (npp->root == NULL) { + npp->root = w.next = w.prev = &w; + } else { + w.next = npp->root; + w.prev = w.next->prev; + w.next->prev = w.prev->next = &w; + } + w.kicked = false; + while (!npp->shutdown && !w.kicked && !gpr_cv_wait(&w.cv, &npp->mu, deadline)) + ; + if (&w == npp->root) { + npp->root = w.next; + if (&w == npp->root) { + if (npp->shutdown) { + grpc_closure_sched(exec_ctx, npp->shutdown, GRPC_ERROR_NONE); + } + npp->root = NULL; + } + } + w.next->prev = w.prev; + w.prev->next = w.next; + gpr_cv_destroy(&w.cv); + if (worker != NULL) *worker = NULL; + return GRPC_ERROR_NONE; +} + +static grpc_error *non_polling_poller_kick( + grpc_pollset *pollset, grpc_pollset_worker *specific_worker) { + non_polling_poller *p = (non_polling_poller *)pollset; + if (specific_worker == NULL) specific_worker = (grpc_pollset_worker *)p->root; + if (specific_worker != NULL) { + non_polling_worker *w = (non_polling_worker *)specific_worker; + if (!w->kicked) { + w->kicked = true; + gpr_cv_signal(&w->cv); + } + } + return GRPC_ERROR_NONE; +} + +static void non_polling_poller_shutdown(grpc_exec_ctx *exec_ctx, + grpc_pollset *pollset, + grpc_closure *closure) { + non_polling_poller *p = (non_polling_poller *)pollset; + GPR_ASSERT(closure != NULL); + p->shutdown = closure; + if (p->root == NULL) { + grpc_closure_sched(exec_ctx, closure, GRPC_ERROR_NONE); + } else { + non_polling_worker *w = p->root; + do { + gpr_cv_signal(&w->cv); + w = w->next; + } while (w != p->root); + } +} + +static const cq_poller_vtable g_poller_vtable_by_poller_type[] = { + /* GRPC_CQ_DEFAULT_POLLING */ + {.can_get_pollset = true, + .can_listen = true, + .size = grpc_pollset_size, + .init = grpc_pollset_init, + .kick = grpc_pollset_kick, + .work = grpc_pollset_work, + .shutdown = grpc_pollset_shutdown, + .destroy = grpc_pollset_destroy}, + /* GRPC_CQ_NON_LISTENING */ + {.can_get_pollset = true, + .can_listen = false, + .size = grpc_pollset_size, + .init = grpc_pollset_init, + .kick = grpc_pollset_kick, + .work = grpc_pollset_work, + .shutdown = grpc_pollset_shutdown, + .destroy = grpc_pollset_destroy}, + /* GRPC_CQ_NON_POLLING */ + {.can_get_pollset = false, + .can_listen = false, + .size = non_polling_poller_size, + .init = non_polling_poller_init, + .kick = non_polling_poller_kick, + .work = non_polling_poller_work, + .shutdown = non_polling_poller_shutdown, + .destroy = non_polling_poller_destroy}, +}; + /* Completion queue structure */ struct grpc_completion_queue { /** owned by pollset */ gpr_mu *mu; + + grpc_cq_completion_type completion_type; + + const cq_poller_vtable *poller_vtable; + /** completed events */ grpc_cq_completion completed_head; grpc_cq_completion *completed_tail; @@ -79,6 +224,7 @@ struct grpc_completion_queue { int shutdown_called; int is_server_cq; /** Can the server cq accept incoming channels */ + /* TODO: sreek - This will no longer be needed. Use polling_type set */ int is_non_listening_server_cq; int num_pluckers; plucker pluckers[GRPC_MAX_COMPLETION_QUEUE_PLUCKERS]; @@ -110,21 +256,31 @@ int grpc_cq_event_timeout_trace; static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *cc, grpc_error *error); -grpc_completion_queue *grpc_completion_queue_create(void *reserved) { +grpc_completion_queue *grpc_completion_queue_create_internal( + grpc_cq_completion_type completion_type, + grpc_cq_polling_type polling_type) { grpc_completion_queue *cc; - GPR_ASSERT(!reserved); - GPR_TIMER_BEGIN("grpc_completion_queue_create", 0); + GPR_TIMER_BEGIN("grpc_completion_queue_create_internal", 0); + + GRPC_API_TRACE( + "grpc_completion_queue_create_internal(completion_type=%d, " + "polling_type=%d)", + 2, (completion_type, polling_type)); - GRPC_API_TRACE("grpc_completion_queue_create(reserved=%p)", 1, (reserved)); + const cq_poller_vtable *poller_vtable = + &g_poller_vtable_by_poller_type[polling_type]; - cc = gpr_zalloc(sizeof(grpc_completion_queue) + grpc_pollset_size()); - grpc_pollset_init(POLLSET_FROM_CQ(cc), &cc->mu); + cc = gpr_zalloc(sizeof(grpc_completion_queue) + poller_vtable->size()); + poller_vtable->init(POLLSET_FROM_CQ(cc), &cc->mu); #ifndef NDEBUG cc->outstanding_tags = NULL; cc->outstanding_tag_capacity = 0; #endif + cc->completion_type = completion_type; + cc->poller_vtable = poller_vtable; + /* Initial ref is dropped by grpc_completion_queue_shutdown */ gpr_ref_init(&cc->pending_events, 1); /* One for destroy(), one for pollset_shutdown */ @@ -143,11 +299,15 @@ grpc_completion_queue *grpc_completion_queue_create(void *reserved) { 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); + GPR_TIMER_END("grpc_completion_queue_create_internal", 0); return cc; } +grpc_cq_completion_type grpc_get_cq_completion_type(grpc_completion_queue *cc) { + return cc->completion_type; +} + #ifdef GRPC_CQ_REF_COUNT_DEBUG void grpc_cq_internal_ref(grpc_completion_queue *cc, const char *reason, const char *file, int line) { @@ -175,7 +335,7 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc) { #endif if (gpr_unref(&cc->owning_refs)) { GPR_ASSERT(cc->completed_head.next == (uintptr_t)&cc->completed_head); - grpc_pollset_destroy(POLLSET_FROM_CQ(cc)); + cc->poller_vtable->destroy(POLLSET_FROM_CQ(cc)); #ifndef NDEBUG gpr_free(cc->outstanding_tags); #endif @@ -260,7 +420,7 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, } } grpc_error *kick_error = - grpc_pollset_kick(POLLSET_FROM_CQ(cc), pluck_worker); + cc->poller_vtable->kick(POLLSET_FROM_CQ(cc), pluck_worker); gpr_mu_unlock(cc->mu); if (kick_error != GRPC_ERROR_NONE) { const char *msg = grpc_error_string(kick_error); @@ -275,8 +435,8 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, GPR_ASSERT(!cc->shutdown); GPR_ASSERT(cc->shutdown_called); cc->shutdown = 1; - grpc_pollset_shutdown(exec_ctx, POLLSET_FROM_CQ(cc), - &cc->pollset_shutdown_done); + cc->poller_vtable->shutdown(exec_ctx, POLLSET_FROM_CQ(cc), + &cc->pollset_shutdown_done); gpr_mu_unlock(cc->mu); } @@ -347,6 +507,13 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc, grpc_event ret; gpr_timespec now; + if (cc->completion_type != GRPC_CQ_NEXT) { + gpr_log(GPR_ERROR, + "grpc_completion_queue_next() cannot be called on this completion " + "queue since its completion type is not GRPC_CQ_NEXT"); + abort(); + } + GPR_TIMER_BEGIN("grpc_completion_queue_next", 0); GRPC_API_TRACE( @@ -425,8 +592,8 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc, gpr_mu_lock(cc->mu); continue; } else { - grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), NULL, - now, iteration_deadline); + grpc_error *err = cc->poller_vtable->work(&exec_ctx, POLLSET_FROM_CQ(cc), + NULL, now, iteration_deadline); if (err != GRPC_ERROR_NONE) { gpr_mu_unlock(cc->mu); const char *msg = grpc_error_string(err); @@ -516,6 +683,13 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag, GPR_TIMER_BEGIN("grpc_completion_queue_pluck", 0); + if (cc->completion_type != GRPC_CQ_PLUCK) { + gpr_log(GPR_ERROR, + "grpc_completion_queue_pluck() cannot be called on this completion " + "queue since its completion type is not GRPC_CQ_PLUCK"); + abort(); + } + if (grpc_cq_pluck_trace) { GRPC_API_TRACE( "grpc_completion_queue_pluck(" @@ -610,8 +784,8 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag, grpc_exec_ctx_flush(&exec_ctx); gpr_mu_lock(cc->mu); } else { - grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), - &worker, now, iteration_deadline); + grpc_error *err = cc->poller_vtable->work( + &exec_ctx, POLLSET_FROM_CQ(cc), &worker, now, iteration_deadline); if (err != GRPC_ERROR_NONE) { del_plucker(cc, tag, &worker); gpr_mu_unlock(cc->mu); @@ -655,8 +829,8 @@ void grpc_completion_queue_shutdown(grpc_completion_queue *cc) { if (gpr_unref(&cc->pending_events)) { GPR_ASSERT(!cc->shutdown); cc->shutdown = 1; - grpc_pollset_shutdown(&exec_ctx, POLLSET_FROM_CQ(cc), - &cc->pollset_shutdown_done); + cc->poller_vtable->shutdown(&exec_ctx, POLLSET_FROM_CQ(cc), + &cc->pollset_shutdown_done); } gpr_mu_unlock(cc->mu); grpc_exec_ctx_finish(&exec_ctx); @@ -672,7 +846,7 @@ void grpc_completion_queue_destroy(grpc_completion_queue *cc) { } grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc) { - return POLLSET_FROM_CQ(cc); + return cc->poller_vtable->can_get_pollset ? POLLSET_FROM_CQ(cc) : NULL; } grpc_completion_queue *grpc_cq_from_pollset(grpc_pollset *ps) { @@ -680,13 +854,23 @@ grpc_completion_queue *grpc_cq_from_pollset(grpc_pollset *ps) { } void grpc_cq_mark_non_listening_server_cq(grpc_completion_queue *cc) { + /* TODO: sreek - use cc->polling_type field here and add a validation check + (i.e grpc_cq_mark_non_listening_server_cq can only be called on a cc whose + polling_type is set to GRPC_CQ_NON_LISTENING */ cc->is_non_listening_server_cq = 1; } bool grpc_cq_is_non_listening_server_cq(grpc_completion_queue *cc) { + /* TODO (sreek) - return (cc->polling_type == GRPC_CQ_NON_LISTENING) */ return (cc->is_non_listening_server_cq == 1); } void grpc_cq_mark_server_cq(grpc_completion_queue *cc) { cc->is_server_cq = 1; } -int grpc_cq_is_server_cq(grpc_completion_queue *cc) { return cc->is_server_cq; } +bool grpc_cq_is_server_cq(grpc_completion_queue *cc) { + return cc->is_server_cq; +} + +bool grpc_cq_can_listen(grpc_completion_queue *cc) { + return cc->poller_vtable->can_listen; +} diff --git a/src/core/lib/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h index 5d73dd7216..a932087939 100644 --- a/src/core/lib/surface/completion_queue.h +++ b/src/core/lib/surface/completion_queue.h @@ -94,9 +94,13 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc); grpc_completion_queue *grpc_cq_from_pollset(grpc_pollset *ps); -void grpc_cq_mark_non_listening_server_cq(grpc_completion_queue *cc); -bool grpc_cq_is_non_listening_server_cq(grpc_completion_queue *cc); void grpc_cq_mark_server_cq(grpc_completion_queue *cc); -int grpc_cq_is_server_cq(grpc_completion_queue *cc); +bool grpc_cq_is_server_cq(grpc_completion_queue *cc); +bool grpc_cq_can_listen(grpc_completion_queue *cc); + +grpc_cq_completion_type grpc_get_cq_completion_type(grpc_completion_queue *cc); + +grpc_completion_queue *grpc_completion_queue_create_internal( + grpc_cq_completion_type completion_type, grpc_cq_polling_type polling_type); #endif /* GRPC_CORE_LIB_SURFACE_COMPLETION_QUEUE_H */ diff --git a/src/core/lib/surface/completion_queue_factory.c b/src/core/lib/surface/completion_queue_factory.c index db67a5192b..d68b84eddd 100644 --- a/src/core/lib/surface/completion_queue_factory.c +++ b/src/core/lib/surface/completion_queue_factory.c @@ -36,12 +36,15 @@ #include <grpc/support/log.h> -/* TODO (sreek) - Currently this does not use the attributes arg. This will be - added in a future PR */ +/* + * == Default completion queue factory implementation == + */ + static grpc_completion_queue* default_create( const grpc_completion_queue_factory* factory, - const grpc_completion_queue_attributes* attributes) { - return grpc_completion_queue_create(NULL); + const grpc_completion_queue_attributes* attr) { + return grpc_completion_queue_create_internal(attr->cq_completion_type, + attr->cq_polling_type); } static grpc_completion_queue_factory_vtable default_vtable = {default_create}; @@ -49,19 +52,24 @@ static grpc_completion_queue_factory_vtable default_vtable = {default_create}; static const grpc_completion_queue_factory g_default_cq_factory = { "Default Factory", NULL, &default_vtable}; +/* + * == Completion queue factory APIs + */ + const grpc_completion_queue_factory* grpc_completion_queue_factory_lookup( const grpc_completion_queue_attributes* attributes) { - /* As we add more fields to grpc_completion_queue_attributes, we may have to - change this assert to: - GPR_ASSERT (attributes->version >= 1 && - attributes->version <= GRPC_CQ_CURRENT_VERSION) */ - GPR_ASSERT(attributes->version == 1); + GPR_ASSERT(attributes->version >= 1 && + attributes->version <= GRPC_CQ_CURRENT_VERSION); /* The default factory can handle version 1 of the attributes structure. We may have to change this as more fields are added to the structure */ return &g_default_cq_factory; } +/* + * == Completion queue creation APIs == + */ + grpc_completion_queue* grpc_completion_queue_create_for_next(void* reserved) { GPR_ASSERT(!reserved); grpc_completion_queue_attributes attr = {1, GRPC_CQ_NEXT, @@ -75,3 +83,10 @@ grpc_completion_queue* grpc_completion_queue_create_for_pluck(void* reserved) { GRPC_CQ_DEFAULT_POLLING}; return g_default_cq_factory.vtable->create(&g_default_cq_factory, &attr); } + +grpc_completion_queue* grpc_completion_queue_create( + const grpc_completion_queue_factory* factory, + const grpc_completion_queue_attributes* attr, void* reserved) { + GPR_ASSERT(!reserved); + return factory->vtable->create(factory, attr); +} diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c index 91bd014a0e..4b381b1954 100644 --- a/src/core/lib/surface/init.c +++ b/src/core/lib/surface/init.c @@ -41,13 +41,8 @@ #include <grpc/support/log.h> #include <grpc/support/time.h> #include "src/core/lib/channel/channel_stack.h" -#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" #include "src/core/lib/debug/trace.h" #include "src/core/lib/http/parser.h" #include "src/core/lib/iomgr/combiner.h" @@ -95,57 +90,13 @@ static bool prepend_filter(grpc_exec_ctx *exec_ctx, builder, (const grpc_channel_filter *)arg, NULL, NULL); } -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")) { - return grpc_channel_stack_builder_prepend_filter( - builder, (const grpc_channel_filter *)arg, NULL, NULL); - } - return true; -} - static void register_builtin_channel_init() { - grpc_channel_init_register_stage( - GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - prepend_filter, (void *)&grpc_client_deadline_filter); - grpc_channel_init_register_stage( - GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter, - (void *)&grpc_server_deadline_filter); - grpc_channel_init_register_stage( - GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - prepend_filter, (void *)&grpc_message_size_filter); - grpc_channel_init_register_stage( - GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - prepend_filter, (void *)&grpc_message_size_filter); - grpc_channel_init_register_stage( - GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter, - (void *)&grpc_message_size_filter); - grpc_channel_init_register_stage( - GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter, - (void *)&grpc_compress_filter); - grpc_channel_init_register_stage( - GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - prepend_filter, (void *)&grpc_compress_filter); - grpc_channel_init_register_stage( - GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter, - (void *)&grpc_compress_filter); - grpc_channel_init_register_stage( - GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - maybe_add_http_filter, (void *)&grpc_http_client_filter); grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, grpc_add_connected_filter, NULL); - grpc_channel_init_register_stage( - GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - maybe_add_http_filter, (void *)&grpc_http_client_filter); grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, grpc_add_connected_filter, NULL); - grpc_channel_init_register_stage( - GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, - maybe_add_http_filter, (void *)&grpc_http_server_filter); grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, grpc_add_connected_filter, NULL); @@ -189,7 +140,6 @@ void grpc_init(void) { grpc_register_tracer("channel_stack_builder", &grpc_trace_channel_stack_builder); grpc_register_tracer("http1", &grpc_http1_trace); - grpc_register_tracer("compression", &grpc_compression_trace); grpc_register_tracer("queue_pluck", &grpc_cq_pluck_trace); grpc_register_tracer("combiner", &grpc_combiner_trace); grpc_register_tracer("server_channel", &grpc_server_channel_trace); diff --git a/src/core/lib/surface/lame_client.c b/src/core/lib/surface/lame_client.cc index 82428c42c0..88f4eaac08 100644 --- a/src/core/lib/surface/lame_client.c +++ b/src/core/lib/surface/lame_client.cc @@ -31,39 +31,50 @@ * */ -#include "src/core/lib/surface/lame_client.h" - #include <grpc/grpc.h> #include <string.h> #include <grpc/support/alloc.h> #include <grpc/support/log.h> + +#include "src/core/lib/support/atomic.h" + +extern "C" { #include "src/core/lib/channel/channel_stack.h" #include "src/core/lib/support/string.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/call.h" #include "src/core/lib/surface/channel.h" +#include "src/core/lib/surface/lame_client.h" #include "src/core/lib/transport/static_metadata.h" +} -typedef struct { +namespace grpc_core { + +namespace { + +struct CallData { grpc_linked_mdelem status; grpc_linked_mdelem details; - gpr_atm filled_metadata; -} call_data; + grpc_core::atomic<bool> filled_metadata; +}; -typedef struct { +struct ChannelData { grpc_status_code error_code; const char *error_message; -} channel_data; +}; static void fill_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_metadata_batch *mdb) { - call_data *calld = elem->call_data; - if (!gpr_atm_no_barrier_cas(&calld->filled_metadata, 0, 1)) { + CallData *calld = static_cast<CallData *>(elem->call_data); + bool expected = false; + if (!calld->filled_metadata.compare_exchange_strong( + expected, true, grpc_core::memory_order_relaxed, + grpc_core::memory_order_relaxed)) { return; } - channel_data *chand = elem->channel_data; + ChannelData *chand = static_cast<ChannelData *>(elem->channel_data); char tmp[GPR_LTOA_MIN_BUFSIZE]; gpr_ltoa(chand->error_code, tmp); calld->status.md = grpc_mdelem_from_slices( @@ -83,7 +94,6 @@ static void fill_metadata(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, static void lame_start_transport_stream_op_batch( grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_transport_stream_op_batch *op) { - GRPC_CALL_LOG_OP(GPR_INFO, elem, op); if (op->recv_initial_metadata) { fill_metadata(exec_ctx, elem, op->payload->recv_initial_metadata.recv_initial_metadata); @@ -127,8 +137,6 @@ static void lame_start_transport_op(grpc_exec_ctx *exec_ctx, static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, const grpc_call_element_args *args) { - call_data *calld = elem->call_data; - gpr_atm_no_barrier_store(&calld->filled_metadata, 0); return GRPC_ERROR_NONE; } @@ -149,18 +157,22 @@ static grpc_error *init_channel_elem(grpc_exec_ctx *exec_ctx, static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) {} -const grpc_channel_filter grpc_lame_filter = { - lame_start_transport_stream_op_batch, - lame_start_transport_op, - sizeof(call_data), - init_call_elem, +} // namespace + +} // namespace grpc_core + +extern "C" const grpc_channel_filter grpc_lame_filter = { + grpc_core::lame_start_transport_stream_op_batch, + grpc_core::lame_start_transport_op, + sizeof(grpc_core::CallData), + grpc_core::init_call_elem, grpc_call_stack_ignore_set_pollset_or_pollset_set, - destroy_call_elem, - sizeof(channel_data), - init_channel_elem, - destroy_channel_elem, - lame_get_peer, - lame_get_channel_info, + grpc_core::destroy_call_elem, + sizeof(grpc_core::ChannelData), + grpc_core::init_channel_elem, + grpc_core::destroy_channel_elem, + grpc_core::lame_get_peer, + grpc_core::lame_get_channel_info, "lame-client", }; @@ -171,7 +183,6 @@ grpc_channel *grpc_lame_client_channel_create(const char *target, const char *error_message) { grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_channel_element *elem; - channel_data *chand; grpc_channel *channel = grpc_channel_create(&exec_ctx, target, NULL, GRPC_CLIENT_LAME_CHANNEL, NULL); elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0); @@ -180,7 +191,7 @@ grpc_channel *grpc_lame_client_channel_create(const char *target, "error_message=%s)", 3, (target, (int)error_code, error_message)); GPR_ASSERT(elem->filter == &grpc_lame_filter); - chand = (channel_data *)elem->channel_data; + auto chand = static_cast<grpc_core::ChannelData *>(elem->channel_data); chand->error_code = error_code; chand->error_message = error_message; grpc_exec_ctx_finish(&exec_ctx); diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index 191ee75252..934ca0431a 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -44,6 +44,7 @@ #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" +#include "src/core/lib/iomgr/executor.h" #include "src/core/lib/iomgr/iomgr.h" #include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/support/stack_lockfree.h" @@ -211,6 +212,11 @@ struct grpc_server { gpr_mu mu_global; /* mutex for server and channel state */ gpr_mu mu_call; /* mutex for call-specific state */ + /* startup synchronization: flag is protected by mu_global, signals whether + we are doing the listener start routine or not */ + bool starting; + gpr_cv starting_cv; + registered_method *registered_methods; /** one request matcher for unregistered methods */ request_matcher unregistered_request_matcher; @@ -339,7 +345,7 @@ static void request_matcher_destroy(request_matcher *rm) { static void kill_zombie(grpc_exec_ctx *exec_ctx, void *elem, grpc_error *error) { - grpc_call_destroy(grpc_call_from_top_element(elem)); + grpc_call_unref(grpc_call_from_top_element(elem)); } static void request_matcher_zombify_all_pending_calls(grpc_exec_ctx *exec_ctx, @@ -388,6 +394,7 @@ static void server_delete(grpc_exec_ctx *exec_ctx, grpc_server *server) { grpc_channel_args_destroy(exec_ctx, server->channel_args); gpr_mu_destroy(&server->mu_global); gpr_mu_destroy(&server->mu_call); + gpr_cv_destroy(&server->starting_cv); while ((rm = server->registered_methods) != NULL) { server->registered_methods = rm->next; if (server->started) { @@ -974,7 +981,7 @@ const grpc_channel_filter grpc_server_top_filter = { static void register_completion_queue(grpc_server *server, grpc_completion_queue *cq, - bool is_non_listening, void *reserved) { + void *reserved) { size_t i, n; GPR_ASSERT(!reserved); for (i = 0; i < server->cq_count; i++) { @@ -983,10 +990,6 @@ static void register_completion_queue(grpc_server *server, grpc_cq_mark_server_cq(cq); - if (is_non_listening) { - grpc_cq_mark_non_listening_server_cq(cq); - } - GRPC_CQ_INTERNAL_REF(cq, "server"); n = server->cq_count++; server->cqs = gpr_realloc(server->cqs, @@ -1000,16 +1003,16 @@ void grpc_server_register_completion_queue(grpc_server *server, GRPC_API_TRACE( "grpc_server_register_completion_queue(server=%p, cq=%p, reserved=%p)", 3, (server, cq, reserved)); - register_completion_queue(server, cq, false, reserved); -} -void grpc_server_register_non_listening_completion_queue( - grpc_server *server, grpc_completion_queue *cq, void *reserved) { - GRPC_API_TRACE( - "grpc_server_register_non_listening_completion_queue(server=%p, cq=%p, " - "reserved=%p)", - 3, (server, cq, reserved)); - register_completion_queue(server, cq, true, reserved); + if (grpc_get_cq_completion_type(cq) != GRPC_CQ_NEXT) { + gpr_log(GPR_INFO, + "Completion queue which is not of type GRPC_CQ_NEXT is being " + "registered as a server-completion-queue"); + /* Ideally we should log an error and abort but ruby-wrapped-language API + calls grpc_completion_queue_pluck() on server completion queues */ + } + + register_completion_queue(server, cq, reserved); } grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) { @@ -1017,10 +1020,9 @@ grpc_server *grpc_server_create(const grpc_channel_args *args, void *reserved) { grpc_server *server = gpr_zalloc(sizeof(grpc_server)); - GPR_ASSERT(grpc_is_initialized() && "call grpc_init()"); - gpr_mu_init(&server->mu_global); gpr_mu_init(&server->mu_call); + gpr_cv_init(&server->starting_cv); /* decremented by grpc_server_destroy */ gpr_ref_init(&server->internal_refcount, 1); @@ -1077,8 +1079,22 @@ void *grpc_server_register_method( return m; } +static void start_listeners(grpc_exec_ctx *exec_ctx, void *s, + grpc_error *error) { + grpc_server *server = s; + for (listener *l = server->listeners; l; l = l->next) { + l->start(exec_ctx, server, l->arg, server->pollsets, server->pollset_count); + } + + gpr_mu_lock(&server->mu_global); + server->starting = false; + gpr_cv_signal(&server->starting_cv); + gpr_mu_unlock(&server->mu_global); + + server_unref(exec_ctx, server); +} + void grpc_server_start(grpc_server *server) { - listener *l; size_t i; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; @@ -1092,7 +1108,7 @@ void grpc_server_start(grpc_server *server) { server->requested_calls_per_cq = gpr_malloc(sizeof(*server->requested_calls_per_cq) * server->cq_count); for (i = 0; i < server->cq_count; i++) { - if (!grpc_cq_is_non_listening_server_cq(server->cqs[i])) { + if (grpc_cq_can_listen(server->cqs[i])) { server->pollsets[server->pollset_count++] = grpc_cq_pollset(server->cqs[i]); } @@ -1112,10 +1128,11 @@ void grpc_server_start(grpc_server *server) { (size_t)server->max_requested_calls_per_cq, server); } - for (l = server->listeners; l; l = l->next) { - l->start(&exec_ctx, server, l->arg, server->pollsets, - server->pollset_count); - } + server_ref(server); + server->starting = true; + grpc_closure_sched(&exec_ctx, grpc_closure_create(start_listeners, server, + grpc_executor_scheduler), + GRPC_ERROR_NONE); grpc_exec_ctx_finish(&exec_ctx); } @@ -1249,8 +1266,14 @@ void grpc_server_shutdown_and_notify(grpc_server *server, GRPC_API_TRACE("grpc_server_shutdown_and_notify(server=%p, cq=%p, tag=%p)", 3, (server, cq, tag)); - /* lock, and gather up some stuff to do */ + /* wait for startup to be finished: locks mu_global */ gpr_mu_lock(&server->mu_global); + while (server->starting) { + gpr_cv_wait(&server->starting_cv, &server->mu_global, + gpr_inf_future(GPR_CLOCK_REALTIME)); + } + + /* stay locked, and gather up some stuff to do */ grpc_cq_begin_op(cq, tag); if (server->shutdown_published) { grpc_cq_end_op(&exec_ctx, cq, tag, GRPC_ERROR_NONE, done_published_shutdown, diff --git a/src/core/lib/surface/version.c b/src/core/lib/surface/version.c index 959b45da2b..cddc595e4c 100644 --- a/src/core/lib/surface/version.c +++ b/src/core/lib/surface/version.c @@ -36,6 +36,6 @@ #include <grpc/grpc.h> -const char *grpc_version_string(void) { return "3.0.0-pre1"; } +const char *grpc_version_string(void) { return "4.0.0-dev"; } -const char *grpc_g_stands_for(void) { return "gentle"; } +const char *grpc_g_stands_for(void) { return "gregarious"; } diff --git a/src/core/lib/transport/byte_stream.c b/src/core/lib/transport/byte_stream.c index 4d4206189e..5800c70ef4 100644 --- a/src/core/lib/transport/byte_stream.c +++ b/src/core/lib/transport/byte_stream.c @@ -40,10 +40,15 @@ #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) { - return byte_stream->next(exec_ctx, byte_stream, slice, max_size_hint, - on_complete); + grpc_byte_stream *byte_stream, size_t max_size_hint, + grpc_closure *on_complete) { + return byte_stream->next(exec_ctx, byte_stream, max_size_hint, on_complete); +} + +grpc_error *grpc_byte_stream_pull(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + grpc_slice *slice) { + return byte_stream->pull(exec_ctx, byte_stream, slice); } void grpc_byte_stream_destroy(grpc_exec_ctx *exec_ctx, @@ -53,16 +58,24 @@ void grpc_byte_stream_destroy(grpc_exec_ctx *exec_ctx, /* slice_buffer_stream */ -static int slice_buffer_stream_next(grpc_exec_ctx *exec_ctx, - grpc_byte_stream *byte_stream, - grpc_slice *slice, size_t max_size_hint, - grpc_closure *on_complete) { +static bool slice_buffer_stream_next(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + size_t max_size_hint, + grpc_closure *on_complete) { + grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream; + GPR_ASSERT(stream->cursor < stream->backing_buffer->count); + return true; +} + +static grpc_error *slice_buffer_stream_pull(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + grpc_slice *slice) { grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream; GPR_ASSERT(stream->cursor < stream->backing_buffer->count); *slice = grpc_slice_ref_internal(stream->backing_buffer->slices[stream->cursor]); stream->cursor++; - return 1; + return GRPC_ERROR_NONE; } static void slice_buffer_stream_destroy(grpc_exec_ctx *exec_ctx, @@ -75,6 +88,7 @@ void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream, stream->base.length = (uint32_t)slice_buffer->length; stream->base.flags = flags; stream->base.next = slice_buffer_stream_next; + stream->base.pull = slice_buffer_stream_pull; stream->base.destroy = slice_buffer_stream_destroy; stream->backing_buffer = slice_buffer; stream->cursor = 0; diff --git a/src/core/lib/transport/byte_stream.h b/src/core/lib/transport/byte_stream.h index 1fdd5b4d77..381c65fb04 100644 --- a/src/core/lib/transport/byte_stream.h +++ b/src/core/lib/transport/byte_stream.h @@ -49,9 +49,10 @@ typedef struct grpc_byte_stream grpc_byte_stream; struct grpc_byte_stream { uint32_t length; uint32_t flags; - int (*next)(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream, - grpc_slice *slice, size_t max_size_hint, - grpc_closure *on_complete); + bool (*next)(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream, + size_t max_size_hint, grpc_closure *on_complete); + grpc_error *(*pull)(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream, + grpc_slice *slice); void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream); }; @@ -61,12 +62,20 @@ struct grpc_byte_stream { * * max_size_hint can be set as a hint as to the maximum number * of bytes that would be acceptable to read. + */ +int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, size_t max_size_hint, + grpc_closure *on_complete); + +/* returns the next slice in the byte stream when it is ready (indicated by + * either grpc_byte_stream_next returning 1 or on_complete passed to + * grpc_byte_stream_next is called). * * once a slice is returned into *slice, it is owned by the caller. */ -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); +grpc_error *grpc_byte_stream_pull(grpc_exec_ctx *exec_ctx, + grpc_byte_stream *byte_stream, + grpc_slice *slice); void grpc_byte_stream_destroy(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream); diff --git a/src/core/lib/transport/service_config.c b/src/core/lib/transport/service_config.c index 1195f75044..6aecb7fa93 100644 --- a/src/core/lib/transport/service_config.c +++ b/src/core/lib/transport/service_config.c @@ -162,7 +162,6 @@ static char* parse_json_method_name(grpc_json* json) { static bool parse_json_method_config( grpc_exec_ctx* exec_ctx, grpc_json* json, void* (*create_value)(const grpc_json* method_config_json), - const grpc_slice_hash_table_vtable* vtable, grpc_slice_hash_table_entry* entries, size_t* idx) { // Construct value. void* method_config = create_value(json); @@ -185,13 +184,11 @@ static bool parse_json_method_config( // Add entry for each path. for (size_t i = 0; i < paths.count; ++i) { entries[*idx].key = grpc_slice_from_copied_string(paths.strs[i]); - entries[*idx].value = vtable->copy_value(method_config); - entries[*idx].vtable = vtable; + entries[*idx].value = method_config; ++*idx; } success = true; done: - vtable->destroy_value(exec_ctx, method_config); gpr_strvec_destroy(&paths); return success; } @@ -199,7 +196,7 @@ done: grpc_slice_hash_table* grpc_service_config_create_method_config_table( grpc_exec_ctx* exec_ctx, const grpc_service_config* service_config, void* (*create_value)(const grpc_json* method_config_json), - const grpc_slice_hash_table_vtable* vtable) { + void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value)) { const grpc_json* json = service_config->json_tree; // Traverse parsed JSON tree. if (json->type != GRPC_JSON_OBJECT || json->key != NULL) return NULL; @@ -220,8 +217,8 @@ grpc_slice_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(exec_ctx, method, create_value, vtable, - entries, &idx)) { + if (!parse_json_method_config(exec_ctx, method, create_value, entries, + &idx)) { return NULL; } } @@ -231,12 +228,8 @@ grpc_slice_hash_table* grpc_service_config_create_method_config_table( // Instantiate method config table. grpc_slice_hash_table* method_config_table = NULL; if (entries != NULL) { - method_config_table = grpc_slice_hash_table_create(num_entries, entries); - // Clean up. - for (size_t i = 0; i < num_entries; ++i) { - grpc_slice_unref_internal(exec_ctx, entries[i].key); - vtable->destroy_value(exec_ctx, entries[i].value); - } + method_config_table = + grpc_slice_hash_table_create(num_entries, entries, destroy_value); gpr_free(entries); } return method_config_table; diff --git a/src/core/lib/transport/service_config.h b/src/core/lib/transport/service_config.h index ebfc59b534..e0548b9c3f 100644 --- a/src/core/lib/transport/service_config.h +++ b/src/core/lib/transport/service_config.h @@ -57,12 +57,12 @@ const char* grpc_service_config_get_lb_policy_name( /// Creates a method config table based on the data in \a json. /// The table's keys are request paths. The table's value type is /// returned by \a create_value(), based on data parsed from the JSON tree. -/// \a vtable provides methods used to manage the values. +/// \a destroy_value is used to clean up values. /// Returns NULL on error. grpc_slice_hash_table* grpc_service_config_create_method_config_table( grpc_exec_ctx* exec_ctx, const grpc_service_config* service_config, void* (*create_value)(const grpc_json* method_config_json), - const grpc_slice_hash_table_vtable* vtable); + void (*destroy_value)(grpc_exec_ctx* exec_ctx, void* value)); /// A helper function for looking up values in the table returned by /// \a grpc_service_config_create_method_config_table(). diff --git a/src/core/lib/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c index c13ba230b3..862cdaa8e0 100644 --- a/src/core/lib/transport/static_metadata.c +++ b/src/core/lib/transport/static_metadata.c @@ -51,67 +51,69 @@ static uint8_t g_bytes[] = { 115, 103, 114, 112, 99, 45, 112, 97, 121, 108, 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108, 99, 111, 110, 116, 101, 110, 116, 45, 100, 105, 115, 112, 111, 115, + 105, 116, 105, 111, 110, 99, 111, 110, 116, 101, 110, 116, 45, 101, 110, + 99, 111, 100, 105, 110, 103, 99, 111, 110, 116, 101, 110, 116, 45, 108, + 97, 110, 103, 117, 97, 103, 101, 99, 111, 110, 116, 101, 110, 116, 45, + 108, 101, 110, 103, 116, 104, 99, 111, 110, 116, 101, 110, 116, 45, 108, + 111, 99, 97, 116, 105, 111, 110, 99, 111, 110, 116, 101, 110, 116, 45, + 114, 97, 110, 103, 101, 99, 111, 111, 107, 105, 101, 100, 97, 116, 101, + 101, 116, 97, 103, 101, 120, 112, 101, 99, 116, 101, 120, 112, 105, 114, + 101, 115, 102, 114, 111, 109, 105, 102, 45, 109, 97, 116, 99, 104, 105, + 102, 45, 109, 111, 100, 105, 102, 105, 101, 100, 45, 115, 105, 110, 99, + 101, 105, 102, 45, 110, 111, 110, 101, 45, 109, 97, 116, 99, 104, 105, + 102, 45, 114, 97, 110, 103, 101, 105, 102, 45, 117, 110, 109, 111, 100, + 105, 102, 105, 101, 100, 45, 115, 105, 110, 99, 101, 108, 97, 115, 116, + 45, 109, 111, 100, 105, 102, 105, 101, 100, 108, 98, 45, 99, 111, 115, + 116, 45, 98, 105, 110, 108, 105, 110, 107, 108, 111, 99, 97, 116, 105, + 111, 110, 109, 97, 120, 45, 102, 111, 114, 119, 97, 114, 100, 115, 112, + 114, 111, 120, 121, 45, 97, 117, 116, 104, 101, 110, 116, 105, 99, 97, + 116, 101, 112, 114, 111, 120, 121, 45, 97, 117, 116, 104, 111, 114, 105, + 122, 97, 116, 105, 111, 110, 114, 97, 110, 103, 101, 114, 101, 102, 101, + 114, 101, 114, 114, 101, 102, 114, 101, 115, 104, 114, 101, 116, 114, 121, + 45, 97, 102, 116, 101, 114, 115, 101, 114, 118, 101, 114, 115, 101, 116, + 45, 99, 111, 111, 107, 105, 101, 115, 116, 114, 105, 99, 116, 45, 116, + 114, 97, 110, 115, 112, 111, 114, 116, 45, 115, 101, 99, 117, 114, 105, + 116, 121, 116, 114, 97, 110, 115, 102, 101, 114, 45, 101, 110, 99, 111, + 100, 105, 110, 103, 118, 97, 114, 121, 118, 105, 97, 119, 119, 119, 45, + 97, 117, 116, 104, 101, 110, 116, 105, 99, 97, 116, 101, 105, 100, 101, + 110, 116, 105, 116, 121, 44, 100, 101, 102, 108, 97, 116, 101, 105, 100, + 101, 110, 116, 105, 116, 121, 44, 103, 122, 105, 112, 100, 101, 102, 108, + 97, 116, 101, 44, 103, 122, 105, 112, 105, 100, 101, 110, 116, 105, 116, + 121, 44, 100, 101, 102, 108, 97, 116, 101, 44, 103, 122, 105, 112}; static void static_ref(void *unused) {} static void static_unref(grpc_exec_ctx *exec_ctx, void *unused) {} @@ -220,6 +222,8 @@ grpc_slice_refcount grpc_static_metadata_refcounts[GRPC_STATIC_MDSTR_COUNT] = { {&grpc_static_metadata_vtable, &static_sub_refcnt}, {&grpc_static_metadata_vtable, &static_sub_refcnt}, {&grpc_static_metadata_vtable, &static_sub_refcnt}, + {&grpc_static_metadata_vtable, &static_sub_refcnt}, + {&grpc_static_metadata_vtable, &static_sub_refcnt}, }; const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT] = { @@ -246,196 +250,201 @@ const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT] = { {.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, {.refcount = &grpc_static_metadata_refcounts[11], - .data.refcounted = {g_bytes + 110, 12}}, + .data.refcounted = {g_bytes + 110, 21}}, {.refcount = &grpc_static_metadata_refcounts[12], - .data.refcounted = {g_bytes + 122, 30}}, + .data.refcounted = {g_bytes + 131, 13}}, {.refcount = &grpc_static_metadata_refcounts[13], - .data.refcounted = {g_bytes + 152, 10}}, + .data.refcounted = {g_bytes + 144, 14}}, {.refcount = &grpc_static_metadata_refcounts[14], - .data.refcounted = {g_bytes + 162, 4}}, + .data.refcounted = {g_bytes + 158, 12}}, {.refcount = &grpc_static_metadata_refcounts[15], - .data.refcounted = {g_bytes + 166, 8}}, + .data.refcounted = {g_bytes + 170, 30}}, {.refcount = &grpc_static_metadata_refcounts[16], - .data.refcounted = {g_bytes + 174, 12}}, + .data.refcounted = {g_bytes + 200, 10}}, {.refcount = &grpc_static_metadata_refcounts[17], - .data.refcounted = {g_bytes + 186, 16}}, + .data.refcounted = {g_bytes + 210, 4}}, {.refcount = &grpc_static_metadata_refcounts[18], - .data.refcounted = {g_bytes + 202, 14}}, + .data.refcounted = {g_bytes + 214, 8}}, {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}, + .data.refcounted = {g_bytes + 222, 12}}, {.refcount = &grpc_static_metadata_refcounts[20], - .data.refcounted = {g_bytes + 216, 19}}, + .data.refcounted = {g_bytes + 234, 0}}, {.refcount = &grpc_static_metadata_refcounts[21], - .data.refcounted = {g_bytes + 235, 12}}, + .data.refcounted = {g_bytes + 234, 19}}, {.refcount = &grpc_static_metadata_refcounts[22], - .data.refcounted = {g_bytes + 247, 30}}, + .data.refcounted = {g_bytes + 253, 12}}, {.refcount = &grpc_static_metadata_refcounts[23], - .data.refcounted = {g_bytes + 277, 31}}, + .data.refcounted = {g_bytes + 265, 30}}, {.refcount = &grpc_static_metadata_refcounts[24], - .data.refcounted = {g_bytes + 308, 36}}, + .data.refcounted = {g_bytes + 295, 31}}, {.refcount = &grpc_static_metadata_refcounts[25], - .data.refcounted = {g_bytes + 344, 1}}, + .data.refcounted = {g_bytes + 326, 36}}, {.refcount = &grpc_static_metadata_refcounts[26], - .data.refcounted = {g_bytes + 345, 1}}, + .data.refcounted = {g_bytes + 362, 1}}, {.refcount = &grpc_static_metadata_refcounts[27], - .data.refcounted = {g_bytes + 346, 1}}, + .data.refcounted = {g_bytes + 363, 1}}, {.refcount = &grpc_static_metadata_refcounts[28], - .data.refcounted = {g_bytes + 347, 8}}, + .data.refcounted = {g_bytes + 364, 1}}, {.refcount = &grpc_static_metadata_refcounts[29], - .data.refcounted = {g_bytes + 355, 4}}, + .data.refcounted = {g_bytes + 365, 8}}, {.refcount = &grpc_static_metadata_refcounts[30], - .data.refcounted = {g_bytes + 359, 7}}, + .data.refcounted = {g_bytes + 373, 4}}, {.refcount = &grpc_static_metadata_refcounts[31], - .data.refcounted = {g_bytes + 366, 8}}, + .data.refcounted = {g_bytes + 377, 7}}, {.refcount = &grpc_static_metadata_refcounts[32], - .data.refcounted = {g_bytes + 374, 16}}, + .data.refcounted = {g_bytes + 384, 8}}, {.refcount = &grpc_static_metadata_refcounts[33], - .data.refcounted = {g_bytes + 390, 4}}, + .data.refcounted = {g_bytes + 392, 16}}, {.refcount = &grpc_static_metadata_refcounts[34], - .data.refcounted = {g_bytes + 394, 3}}, + .data.refcounted = {g_bytes + 408, 4}}, {.refcount = &grpc_static_metadata_refcounts[35], - .data.refcounted = {g_bytes + 397, 3}}, + .data.refcounted = {g_bytes + 412, 3}}, {.refcount = &grpc_static_metadata_refcounts[36], - .data.refcounted = {g_bytes + 400, 4}}, + .data.refcounted = {g_bytes + 415, 3}}, {.refcount = &grpc_static_metadata_refcounts[37], - .data.refcounted = {g_bytes + 404, 5}}, + .data.refcounted = {g_bytes + 418, 4}}, {.refcount = &grpc_static_metadata_refcounts[38], - .data.refcounted = {g_bytes + 409, 4}}, + .data.refcounted = {g_bytes + 422, 5}}, {.refcount = &grpc_static_metadata_refcounts[39], - .data.refcounted = {g_bytes + 413, 3}}, + .data.refcounted = {g_bytes + 427, 4}}, {.refcount = &grpc_static_metadata_refcounts[40], - .data.refcounted = {g_bytes + 416, 3}}, + .data.refcounted = {g_bytes + 431, 3}}, {.refcount = &grpc_static_metadata_refcounts[41], - .data.refcounted = {g_bytes + 419, 1}}, + .data.refcounted = {g_bytes + 434, 3}}, {.refcount = &grpc_static_metadata_refcounts[42], - .data.refcounted = {g_bytes + 420, 11}}, + .data.refcounted = {g_bytes + 437, 1}}, {.refcount = &grpc_static_metadata_refcounts[43], - .data.refcounted = {g_bytes + 431, 3}}, + .data.refcounted = {g_bytes + 438, 11}}, {.refcount = &grpc_static_metadata_refcounts[44], - .data.refcounted = {g_bytes + 434, 3}}, + .data.refcounted = {g_bytes + 449, 3}}, {.refcount = &grpc_static_metadata_refcounts[45], - .data.refcounted = {g_bytes + 437, 3}}, + .data.refcounted = {g_bytes + 452, 3}}, {.refcount = &grpc_static_metadata_refcounts[46], - .data.refcounted = {g_bytes + 440, 3}}, + .data.refcounted = {g_bytes + 455, 3}}, {.refcount = &grpc_static_metadata_refcounts[47], - .data.refcounted = {g_bytes + 443, 3}}, + .data.refcounted = {g_bytes + 458, 3}}, {.refcount = &grpc_static_metadata_refcounts[48], - .data.refcounted = {g_bytes + 446, 14}}, + .data.refcounted = {g_bytes + 461, 3}}, {.refcount = &grpc_static_metadata_refcounts[49], - .data.refcounted = {g_bytes + 460, 15}}, + .data.refcounted = {g_bytes + 464, 14}}, {.refcount = &grpc_static_metadata_refcounts[50], - .data.refcounted = {g_bytes + 475, 13}}, + .data.refcounted = {g_bytes + 478, 15}}, {.refcount = &grpc_static_metadata_refcounts[51], - .data.refcounted = {g_bytes + 488, 15}}, + .data.refcounted = {g_bytes + 493, 13}}, {.refcount = &grpc_static_metadata_refcounts[52], - .data.refcounted = {g_bytes + 503, 13}}, + .data.refcounted = {g_bytes + 506, 15}}, {.refcount = &grpc_static_metadata_refcounts[53], - .data.refcounted = {g_bytes + 516, 6}}, + .data.refcounted = {g_bytes + 521, 13}}, {.refcount = &grpc_static_metadata_refcounts[54], - .data.refcounted = {g_bytes + 522, 27}}, + .data.refcounted = {g_bytes + 534, 6}}, {.refcount = &grpc_static_metadata_refcounts[55], - .data.refcounted = {g_bytes + 549, 3}}, + .data.refcounted = {g_bytes + 540, 27}}, {.refcount = &grpc_static_metadata_refcounts[56], - .data.refcounted = {g_bytes + 552, 5}}, + .data.refcounted = {g_bytes + 567, 3}}, {.refcount = &grpc_static_metadata_refcounts[57], - .data.refcounted = {g_bytes + 557, 13}}, + .data.refcounted = {g_bytes + 570, 5}}, {.refcount = &grpc_static_metadata_refcounts[58], - .data.refcounted = {g_bytes + 570, 13}}, + .data.refcounted = {g_bytes + 575, 13}}, {.refcount = &grpc_static_metadata_refcounts[59], - .data.refcounted = {g_bytes + 583, 19}}, + .data.refcounted = {g_bytes + 588, 13}}, {.refcount = &grpc_static_metadata_refcounts[60], - .data.refcounted = {g_bytes + 602, 16}}, + .data.refcounted = {g_bytes + 601, 19}}, {.refcount = &grpc_static_metadata_refcounts[61], - .data.refcounted = {g_bytes + 618, 16}}, + .data.refcounted = {g_bytes + 620, 16}}, {.refcount = &grpc_static_metadata_refcounts[62], - .data.refcounted = {g_bytes + 634, 14}}, + .data.refcounted = {g_bytes + 636, 16}}, {.refcount = &grpc_static_metadata_refcounts[63], - .data.refcounted = {g_bytes + 648, 16}}, + .data.refcounted = {g_bytes + 652, 14}}, {.refcount = &grpc_static_metadata_refcounts[64], - .data.refcounted = {g_bytes + 664, 13}}, + .data.refcounted = {g_bytes + 666, 16}}, {.refcount = &grpc_static_metadata_refcounts[65], - .data.refcounted = {g_bytes + 677, 6}}, + .data.refcounted = {g_bytes + 682, 13}}, {.refcount = &grpc_static_metadata_refcounts[66], - .data.refcounted = {g_bytes + 683, 4}}, + .data.refcounted = {g_bytes + 695, 6}}, {.refcount = &grpc_static_metadata_refcounts[67], - .data.refcounted = {g_bytes + 687, 4}}, + .data.refcounted = {g_bytes + 701, 4}}, {.refcount = &grpc_static_metadata_refcounts[68], - .data.refcounted = {g_bytes + 691, 6}}, + .data.refcounted = {g_bytes + 705, 4}}, {.refcount = &grpc_static_metadata_refcounts[69], - .data.refcounted = {g_bytes + 697, 7}}, + .data.refcounted = {g_bytes + 709, 6}}, {.refcount = &grpc_static_metadata_refcounts[70], - .data.refcounted = {g_bytes + 704, 4}}, + .data.refcounted = {g_bytes + 715, 7}}, {.refcount = &grpc_static_metadata_refcounts[71], - .data.refcounted = {g_bytes + 708, 8}}, + .data.refcounted = {g_bytes + 722, 4}}, {.refcount = &grpc_static_metadata_refcounts[72], - .data.refcounted = {g_bytes + 716, 17}}, + .data.refcounted = {g_bytes + 726, 8}}, {.refcount = &grpc_static_metadata_refcounts[73], - .data.refcounted = {g_bytes + 733, 13}}, + .data.refcounted = {g_bytes + 734, 17}}, {.refcount = &grpc_static_metadata_refcounts[74], - .data.refcounted = {g_bytes + 746, 8}}, + .data.refcounted = {g_bytes + 751, 13}}, {.refcount = &grpc_static_metadata_refcounts[75], - .data.refcounted = {g_bytes + 754, 19}}, + .data.refcounted = {g_bytes + 764, 8}}, {.refcount = &grpc_static_metadata_refcounts[76], - .data.refcounted = {g_bytes + 773, 13}}, + .data.refcounted = {g_bytes + 772, 19}}, {.refcount = &grpc_static_metadata_refcounts[77], - .data.refcounted = {g_bytes + 786, 4}}, + .data.refcounted = {g_bytes + 791, 13}}, {.refcount = &grpc_static_metadata_refcounts[78], - .data.refcounted = {g_bytes + 790, 8}}, + .data.refcounted = {g_bytes + 804, 11}}, {.refcount = &grpc_static_metadata_refcounts[79], - .data.refcounted = {g_bytes + 798, 12}}, + .data.refcounted = {g_bytes + 815, 4}}, {.refcount = &grpc_static_metadata_refcounts[80], - .data.refcounted = {g_bytes + 810, 18}}, + .data.refcounted = {g_bytes + 819, 8}}, {.refcount = &grpc_static_metadata_refcounts[81], - .data.refcounted = {g_bytes + 828, 19}}, + .data.refcounted = {g_bytes + 827, 12}}, {.refcount = &grpc_static_metadata_refcounts[82], - .data.refcounted = {g_bytes + 847, 5}}, + .data.refcounted = {g_bytes + 839, 18}}, {.refcount = &grpc_static_metadata_refcounts[83], - .data.refcounted = {g_bytes + 852, 7}}, + .data.refcounted = {g_bytes + 857, 19}}, {.refcount = &grpc_static_metadata_refcounts[84], - .data.refcounted = {g_bytes + 859, 7}}, + .data.refcounted = {g_bytes + 876, 5}}, {.refcount = &grpc_static_metadata_refcounts[85], - .data.refcounted = {g_bytes + 866, 11}}, + .data.refcounted = {g_bytes + 881, 7}}, {.refcount = &grpc_static_metadata_refcounts[86], - .data.refcounted = {g_bytes + 877, 6}}, + .data.refcounted = {g_bytes + 888, 7}}, {.refcount = &grpc_static_metadata_refcounts[87], - .data.refcounted = {g_bytes + 883, 10}}, + .data.refcounted = {g_bytes + 895, 11}}, {.refcount = &grpc_static_metadata_refcounts[88], - .data.refcounted = {g_bytes + 893, 25}}, + .data.refcounted = {g_bytes + 906, 6}}, {.refcount = &grpc_static_metadata_refcounts[89], - .data.refcounted = {g_bytes + 918, 17}}, + .data.refcounted = {g_bytes + 912, 10}}, {.refcount = &grpc_static_metadata_refcounts[90], - .data.refcounted = {g_bytes + 935, 4}}, + .data.refcounted = {g_bytes + 922, 25}}, {.refcount = &grpc_static_metadata_refcounts[91], - .data.refcounted = {g_bytes + 939, 3}}, + .data.refcounted = {g_bytes + 947, 17}}, {.refcount = &grpc_static_metadata_refcounts[92], - .data.refcounted = {g_bytes + 942, 16}}, + .data.refcounted = {g_bytes + 964, 4}}, {.refcount = &grpc_static_metadata_refcounts[93], - .data.refcounted = {g_bytes + 958, 16}}, + .data.refcounted = {g_bytes + 968, 3}}, {.refcount = &grpc_static_metadata_refcounts[94], - .data.refcounted = {g_bytes + 974, 13}}, + .data.refcounted = {g_bytes + 971, 16}}, {.refcount = &grpc_static_metadata_refcounts[95], - .data.refcounted = {g_bytes + 987, 12}}, + .data.refcounted = {g_bytes + 987, 16}}, {.refcount = &grpc_static_metadata_refcounts[96], - .data.refcounted = {g_bytes + 999, 21}}, + .data.refcounted = {g_bytes + 1003, 13}}, + {.refcount = &grpc_static_metadata_refcounts[97], + .data.refcounted = {g_bytes + 1016, 12}}, + {.refcount = &grpc_static_metadata_refcounts[98], + .data.refcounted = {g_bytes + 1028, 21}}, }; uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 6, 6, 8, 8}; + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 6, 6, 8, 8}; static const int8_t elems_r[] = { - 10, 8, -3, 0, 9, 21, -75, 22, 0, 10, -7, 20, 0, 19, 18, 17, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - -48, -49, 16, -51, -52, -53, -54, -54, -55, -56, -57, 0, 37, 36, 35, 34, - 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, - 17, 16, 15, 14, 13, 12, 11, 14, 13, 12, 11, 10, 9, 8, 0}; + 10, 8, -3, 0, 9, 21, -77, 22, 0, 10, -7, 0, 0, 0, + 14, 0, 13, 12, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, -50, -51, 16, -53, -54, -55, -56, + -56, -57, -58, -59, 0, 37, 36, 35, 34, 33, 32, 31, 30, 29, + 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, + 14, 13, 12, 11, 10, 13, 12, 11, 10, 9, 8, 7, 0}; static uint32_t elems_phash(uint32_t i) { - i -= 41; - uint32_t x = i % 95; - uint32_t y = i / 95; + i -= 42; + uint32_t x = i % 97; + uint32_t y = i / 97; uint32_t h = x; if (y < GPR_ARRAY_SIZE(elems_r)) { uint32_t delta = (uint32_t)elems_r[y]; @@ -445,29 +454,30 @@ static uint32_t elems_phash(uint32_t i) { } static const uint16_t elem_keys[] = { - 998, 999, 1000, 237, 238, 239, 240, 241, 136, 137, 41, 42, - 424, 425, 426, 901, 902, 903, 704, 705, 1086, 516, 706, 1280, - 1377, 1474, 4675, 4772, 4803, 4966, 5063, 5160, 5257, 1099, 5354, 5451, - 5548, 5645, 5742, 5839, 5936, 6033, 6130, 6227, 6324, 6421, 6518, 6615, - 6712, 6809, 6906, 7003, 7100, 7197, 7294, 7391, 7488, 7585, 7682, 7779, - 7876, 7973, 8070, 8167, 8264, 1063, 1064, 1065, 1066, 8361, 8458, 8555, - 8652, 8749, 8846, 8943, 310, 0, 0, 0, 0, 0, 0, 0, + 1019, 1020, 1021, 242, 243, 244, 245, 246, 139, 140, 42, 43, + 433, 434, 435, 920, 921, 922, 719, 720, 1406, 527, 721, 1604, + 1703, 1802, 4871, 4970, 5001, 5168, 5267, 5366, 5465, 1419, 5564, 5663, + 5762, 5861, 5960, 6059, 6158, 6257, 6356, 6455, 6554, 6653, 6752, 6851, + 6950, 7049, 7148, 7247, 7346, 7445, 7544, 7643, 7742, 7841, 7940, 8039, + 8138, 8237, 8336, 8435, 8534, 8633, 1085, 1086, 1087, 1088, 8732, 8831, + 8930, 9029, 9128, 9227, 9326, 0, 317, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 130, 228, 229, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 133, 233, 234, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0}; static const uint8_t elem_idxs[] = { - 73, 76, 74, 19, 20, 21, 22, 23, 15, 16, 17, 18, 11, 12, 13, - 3, 4, 5, 0, 1, 41, 6, 2, 69, 48, 55, 24, 25, 26, 27, + 74, 77, 75, 19, 20, 21, 22, 23, 15, 16, 17, 18, 11, 12, 13, + 3, 4, 5, 0, 1, 41, 6, 2, 70, 48, 55, 24, 25, 26, 27, 28, 29, 30, 7, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, - 60, 61, 62, 63, 64, 75, 77, 78, 79, 65, 66, 67, 68, 70, 71, - 72, 14, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255, 255, 8, 9, 10}; + 60, 61, 62, 63, 64, 65, 76, 78, 79, 80, 66, 67, 68, 69, 71, + 72, 73, 255, 14, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, + 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 8, 9, 10}; grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) { if (a == -1 || b == -1) return GRPC_MDNULL; - uint32_t k = (uint32_t)(a * 97 + b); + uint32_t k = (uint32_t)(a * 99 + b); uint32_t h = elems_phash(k); return h < GPR_ARRAY_SIZE(elem_keys) && elem_keys[h] == k ? GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[elem_idxs[h]], @@ -478,324 +488,328 @@ grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b) { grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT] = { {{.refcount = &grpc_static_metadata_refcounts[7], .data.refcounted = {g_bytes + 50, 11}}, - {.refcount = &grpc_static_metadata_refcounts[25], - .data.refcounted = {g_bytes + 344, 1}}}, - {{.refcount = &grpc_static_metadata_refcounts[7], - .data.refcounted = {g_bytes + 50, 11}}, {.refcount = &grpc_static_metadata_refcounts[26], - .data.refcounted = {g_bytes + 345, 1}}}, + .data.refcounted = {g_bytes + 362, 1}}}, {{.refcount = &grpc_static_metadata_refcounts[7], .data.refcounted = {g_bytes + 50, 11}}, {.refcount = &grpc_static_metadata_refcounts[27], - .data.refcounted = {g_bytes + 346, 1}}}, - {{.refcount = &grpc_static_metadata_refcounts[9], - .data.refcounted = {g_bytes + 77, 13}}, + .data.refcounted = {g_bytes + 363, 1}}}, + {{.refcount = &grpc_static_metadata_refcounts[7], + .data.refcounted = {g_bytes + 50, 11}}, {.refcount = &grpc_static_metadata_refcounts[28], - .data.refcounted = {g_bytes + 347, 8}}}, + .data.refcounted = {g_bytes + 364, 1}}}, {{.refcount = &grpc_static_metadata_refcounts[9], .data.refcounted = {g_bytes + 77, 13}}, {.refcount = &grpc_static_metadata_refcounts[29], - .data.refcounted = {g_bytes + 355, 4}}}, + .data.refcounted = {g_bytes + 365, 8}}}, {{.refcount = &grpc_static_metadata_refcounts[9], .data.refcounted = {g_bytes + 77, 13}}, {.refcount = &grpc_static_metadata_refcounts[30], - .data.refcounted = {g_bytes + 359, 7}}}, + .data.refcounted = {g_bytes + 373, 4}}}, + {{.refcount = &grpc_static_metadata_refcounts[9], + .data.refcounted = {g_bytes + 77, 13}}, + {.refcount = &grpc_static_metadata_refcounts[31], + .data.refcounted = {g_bytes + 377, 7}}}, {{.refcount = &grpc_static_metadata_refcounts[5], .data.refcounted = {g_bytes + 36, 2}}, - {.refcount = &grpc_static_metadata_refcounts[31], - .data.refcounted = {g_bytes + 366, 8}}}, - {{.refcount = &grpc_static_metadata_refcounts[11], - .data.refcounted = {g_bytes + 110, 12}}, {.refcount = &grpc_static_metadata_refcounts[32], - .data.refcounted = {g_bytes + 374, 16}}}, + .data.refcounted = {g_bytes + 384, 8}}}, + {{.refcount = &grpc_static_metadata_refcounts[14], + .data.refcounted = {g_bytes + 158, 12}}, + {.refcount = &grpc_static_metadata_refcounts[33], + .data.refcounted = {g_bytes + 392, 16}}}, {{.refcount = &grpc_static_metadata_refcounts[1], .data.refcounted = {g_bytes + 5, 7}}, - {.refcount = &grpc_static_metadata_refcounts[33], - .data.refcounted = {g_bytes + 390, 4}}}, - {{.refcount = &grpc_static_metadata_refcounts[2], - .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[34], - .data.refcounted = {g_bytes + 394, 3}}}, + .data.refcounted = {g_bytes + 408, 4}}}, {{.refcount = &grpc_static_metadata_refcounts[2], .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[35], - .data.refcounted = {g_bytes + 397, 3}}}, - {{.refcount = &grpc_static_metadata_refcounts[4], - .data.refcounted = {g_bytes + 29, 7}}, + .data.refcounted = {g_bytes + 412, 3}}}, + {{.refcount = &grpc_static_metadata_refcounts[2], + .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[36], - .data.refcounted = {g_bytes + 400, 4}}}, + .data.refcounted = {g_bytes + 415, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[4], .data.refcounted = {g_bytes + 29, 7}}, {.refcount = &grpc_static_metadata_refcounts[37], - .data.refcounted = {g_bytes + 404, 5}}}, + .data.refcounted = {g_bytes + 418, 4}}}, {{.refcount = &grpc_static_metadata_refcounts[4], .data.refcounted = {g_bytes + 29, 7}}, {.refcount = &grpc_static_metadata_refcounts[38], - .data.refcounted = {g_bytes + 409, 4}}}, + .data.refcounted = {g_bytes + 422, 5}}}, + {{.refcount = &grpc_static_metadata_refcounts[4], + .data.refcounted = {g_bytes + 29, 7}}, + {.refcount = &grpc_static_metadata_refcounts[39], + .data.refcounted = {g_bytes + 427, 4}}}, {{.refcount = &grpc_static_metadata_refcounts[3], .data.refcounted = {g_bytes + 19, 10}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[1], .data.refcounted = {g_bytes + 5, 7}}, - {.refcount = &grpc_static_metadata_refcounts[39], - .data.refcounted = {g_bytes + 413, 3}}}, + {.refcount = &grpc_static_metadata_refcounts[40], + .data.refcounted = {g_bytes + 431, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[1], .data.refcounted = {g_bytes + 5, 7}}, - {.refcount = &grpc_static_metadata_refcounts[40], - .data.refcounted = {g_bytes + 416, 3}}}, - {{.refcount = &grpc_static_metadata_refcounts[0], - .data.refcounted = {g_bytes + 0, 5}}, {.refcount = &grpc_static_metadata_refcounts[41], - .data.refcounted = {g_bytes + 419, 1}}}, + .data.refcounted = {g_bytes + 434, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[0], .data.refcounted = {g_bytes + 0, 5}}, {.refcount = &grpc_static_metadata_refcounts[42], - .data.refcounted = {g_bytes + 420, 11}}}, - {{.refcount = &grpc_static_metadata_refcounts[2], - .data.refcounted = {g_bytes + 12, 7}}, + .data.refcounted = {g_bytes + 437, 1}}}, + {{.refcount = &grpc_static_metadata_refcounts[0], + .data.refcounted = {g_bytes + 0, 5}}, {.refcount = &grpc_static_metadata_refcounts[43], - .data.refcounted = {g_bytes + 431, 3}}}, + .data.refcounted = {g_bytes + 438, 11}}}, {{.refcount = &grpc_static_metadata_refcounts[2], .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[44], - .data.refcounted = {g_bytes + 434, 3}}}, + .data.refcounted = {g_bytes + 449, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[2], .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[45], - .data.refcounted = {g_bytes + 437, 3}}}, + .data.refcounted = {g_bytes + 452, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[2], .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[46], - .data.refcounted = {g_bytes + 440, 3}}}, + .data.refcounted = {g_bytes + 455, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[2], .data.refcounted = {g_bytes + 12, 7}}, {.refcount = &grpc_static_metadata_refcounts[47], - .data.refcounted = {g_bytes + 443, 3}}}, - {{.refcount = &grpc_static_metadata_refcounts[48], - .data.refcounted = {g_bytes + 446, 14}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, - {{.refcount = &grpc_static_metadata_refcounts[49], - .data.refcounted = {g_bytes + 460, 15}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 458, 3}}}, + {{.refcount = &grpc_static_metadata_refcounts[2], + .data.refcounted = {g_bytes + 12, 7}}, + {.refcount = &grpc_static_metadata_refcounts[48], + .data.refcounted = {g_bytes + 461, 3}}}, {{.refcount = &grpc_static_metadata_refcounts[49], - .data.refcounted = {g_bytes + 460, 15}}, - {.refcount = &grpc_static_metadata_refcounts[50], - .data.refcounted = {g_bytes + 475, 13}}}, - {{.refcount = &grpc_static_metadata_refcounts[51], - .data.refcounted = {g_bytes + 488, 15}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 464, 14}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[50], + .data.refcounted = {g_bytes + 478, 15}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[50], + .data.refcounted = {g_bytes + 478, 15}}, + {.refcount = &grpc_static_metadata_refcounts[51], + .data.refcounted = {g_bytes + 493, 13}}}, {{.refcount = &grpc_static_metadata_refcounts[52], - .data.refcounted = {g_bytes + 503, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 506, 15}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[53], - .data.refcounted = {g_bytes + 516, 6}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 521, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[54], - .data.refcounted = {g_bytes + 522, 27}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 534, 6}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[55], - .data.refcounted = {g_bytes + 549, 3}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 540, 27}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[56], - .data.refcounted = {g_bytes + 552, 5}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 567, 3}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[57], - .data.refcounted = {g_bytes + 557, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 570, 5}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[58], - .data.refcounted = {g_bytes + 570, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 575, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[59], - .data.refcounted = {g_bytes + 583, 19}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 588, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[60], - .data.refcounted = {g_bytes + 602, 16}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 601, 19}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[61], - .data.refcounted = {g_bytes + 618, 16}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 620, 16}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[62], - .data.refcounted = {g_bytes + 634, 14}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 636, 16}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[63], - .data.refcounted = {g_bytes + 648, 16}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 652, 14}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[64], - .data.refcounted = {g_bytes + 664, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, - {{.refcount = &grpc_static_metadata_refcounts[11], - .data.refcounted = {g_bytes + 110, 12}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 666, 16}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[65], - .data.refcounted = {g_bytes + 677, 6}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 682, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[14], + .data.refcounted = {g_bytes + 158, 12}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[66], - .data.refcounted = {g_bytes + 683, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 695, 6}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[67], - .data.refcounted = {g_bytes + 687, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 701, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[68], - .data.refcounted = {g_bytes + 691, 6}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 705, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[69], - .data.refcounted = {g_bytes + 697, 7}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 709, 6}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[70], - .data.refcounted = {g_bytes + 704, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, - {{.refcount = &grpc_static_metadata_refcounts[14], - .data.refcounted = {g_bytes + 162, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 715, 7}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[71], - .data.refcounted = {g_bytes + 708, 8}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 722, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[17], + .data.refcounted = {g_bytes + 210, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[72], - .data.refcounted = {g_bytes + 716, 17}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 726, 8}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[73], - .data.refcounted = {g_bytes + 733, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 734, 17}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[74], - .data.refcounted = {g_bytes + 746, 8}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 751, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[75], - .data.refcounted = {g_bytes + 754, 19}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 764, 8}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[76], - .data.refcounted = {g_bytes + 773, 13}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, - {{.refcount = &grpc_static_metadata_refcounts[15], - .data.refcounted = {g_bytes + 166, 8}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 772, 19}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[77], - .data.refcounted = {g_bytes + 786, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 791, 13}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[18], + .data.refcounted = {g_bytes + 214, 8}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[78], - .data.refcounted = {g_bytes + 790, 8}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 804, 11}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[79], - .data.refcounted = {g_bytes + 798, 12}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 815, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[80], - .data.refcounted = {g_bytes + 810, 18}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 819, 8}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[81], - .data.refcounted = {g_bytes + 828, 19}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 827, 12}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[82], - .data.refcounted = {g_bytes + 847, 5}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 839, 18}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[83], - .data.refcounted = {g_bytes + 852, 7}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 857, 19}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[84], - .data.refcounted = {g_bytes + 859, 7}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 876, 5}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[85], - .data.refcounted = {g_bytes + 866, 11}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 881, 7}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[86], - .data.refcounted = {g_bytes + 877, 6}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 888, 7}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[87], - .data.refcounted = {g_bytes + 883, 10}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 895, 11}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[88], - .data.refcounted = {g_bytes + 893, 25}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 906, 6}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[89], - .data.refcounted = {g_bytes + 918, 17}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, - {{.refcount = &grpc_static_metadata_refcounts[13], - .data.refcounted = {g_bytes + 152, 10}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 912, 10}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[90], - .data.refcounted = {g_bytes + 935, 4}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 922, 25}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[91], - .data.refcounted = {g_bytes + 939, 3}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 947, 17}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[16], + .data.refcounted = {g_bytes + 200, 10}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[92], - .data.refcounted = {g_bytes + 942, 16}}, - {.refcount = &grpc_static_metadata_refcounts[19], - .data.refcounted = {g_bytes + 216, 0}}}, + .data.refcounted = {g_bytes + 964, 4}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[93], + .data.refcounted = {g_bytes + 968, 3}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, + {{.refcount = &grpc_static_metadata_refcounts[94], + .data.refcounted = {g_bytes + 971, 16}}, + {.refcount = &grpc_static_metadata_refcounts[20], + .data.refcounted = {g_bytes + 234, 0}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[28], - .data.refcounted = {g_bytes + 347, 8}}}, + {.refcount = &grpc_static_metadata_refcounts[29], + .data.refcounted = {g_bytes + 365, 8}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[30], - .data.refcounted = {g_bytes + 359, 7}}}, + {.refcount = &grpc_static_metadata_refcounts[31], + .data.refcounted = {g_bytes + 377, 7}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[93], - .data.refcounted = {g_bytes + 958, 16}}}, + {.refcount = &grpc_static_metadata_refcounts[95], + .data.refcounted = {g_bytes + 987, 16}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[29], - .data.refcounted = {g_bytes + 355, 4}}}, + {.refcount = &grpc_static_metadata_refcounts[30], + .data.refcounted = {g_bytes + 373, 4}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[94], - .data.refcounted = {g_bytes + 974, 13}}}, + {.refcount = &grpc_static_metadata_refcounts[96], + .data.refcounted = {g_bytes + 1003, 13}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[95], - .data.refcounted = {g_bytes + 987, 12}}}, + {.refcount = &grpc_static_metadata_refcounts[97], + .data.refcounted = {g_bytes + 1016, 12}}}, {{.refcount = &grpc_static_metadata_refcounts[10], .data.refcounted = {g_bytes + 90, 20}}, - {.refcount = &grpc_static_metadata_refcounts[96], - .data.refcounted = {g_bytes + 999, 21}}}, + {.refcount = &grpc_static_metadata_refcounts[98], + .data.refcounted = {g_bytes + 1028, 21}}}, }; -const uint8_t grpc_static_accept_encoding_metadata[8] = {0, 73, 74, 75, - 76, 77, 78, 79}; +const uint8_t grpc_static_accept_encoding_metadata[8] = {0, 74, 75, 76, + 77, 78, 79, 80}; diff --git a/src/core/lib/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h index f9600ee2e4..84fb316fd6 100644 --- a/src/core/lib/transport/static_metadata.h +++ b/src/core/lib/transport/static_metadata.h @@ -44,7 +44,7 @@ #include "src/core/lib/transport/metadata.h" -#define GRPC_STATIC_MDSTR_COUNT 97 +#define GRPC_STATIC_MDSTR_COUNT 99 extern const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT]; /* ":path" */ #define GRPC_MDSTR_PATH (grpc_static_slice_table[0]) @@ -68,182 +68,186 @@ extern const grpc_slice grpc_static_slice_table[GRPC_STATIC_MDSTR_COUNT]; #define GRPC_MDSTR_GRPC_ENCODING (grpc_static_slice_table[9]) /* "grpc-accept-encoding" */ #define GRPC_MDSTR_GRPC_ACCEPT_ENCODING (grpc_static_slice_table[10]) +/* "grpc-server-stats-bin" */ +#define GRPC_MDSTR_GRPC_SERVER_STATS_BIN (grpc_static_slice_table[11]) +/* "grpc-tags-bin" */ +#define GRPC_MDSTR_GRPC_TAGS_BIN (grpc_static_slice_table[12]) +/* "grpc-trace-bin" */ +#define GRPC_MDSTR_GRPC_TRACE_BIN (grpc_static_slice_table[13]) /* "content-type" */ -#define GRPC_MDSTR_CONTENT_TYPE (grpc_static_slice_table[11]) +#define GRPC_MDSTR_CONTENT_TYPE (grpc_static_slice_table[14]) /* "grpc-internal-encoding-request" */ -#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (grpc_static_slice_table[12]) +#define GRPC_MDSTR_GRPC_INTERNAL_ENCODING_REQUEST (grpc_static_slice_table[15]) /* "user-agent" */ -#define GRPC_MDSTR_USER_AGENT (grpc_static_slice_table[13]) +#define GRPC_MDSTR_USER_AGENT (grpc_static_slice_table[16]) /* "host" */ -#define GRPC_MDSTR_HOST (grpc_static_slice_table[14]) +#define GRPC_MDSTR_HOST (grpc_static_slice_table[17]) /* "lb-token" */ -#define GRPC_MDSTR_LB_TOKEN (grpc_static_slice_table[15]) +#define GRPC_MDSTR_LB_TOKEN (grpc_static_slice_table[18]) /* "grpc-timeout" */ -#define GRPC_MDSTR_GRPC_TIMEOUT (grpc_static_slice_table[16]) -/* "grpc-tracing-bin" */ -#define GRPC_MDSTR_GRPC_TRACING_BIN (grpc_static_slice_table[17]) -/* "grpc-stats-bin" */ -#define GRPC_MDSTR_GRPC_STATS_BIN (grpc_static_slice_table[18]) +#define GRPC_MDSTR_GRPC_TIMEOUT (grpc_static_slice_table[19]) /* "" */ -#define GRPC_MDSTR_EMPTY (grpc_static_slice_table[19]) +#define GRPC_MDSTR_EMPTY (grpc_static_slice_table[20]) /* "grpc.wait_for_ready" */ -#define GRPC_MDSTR_GRPC_DOT_WAIT_FOR_READY (grpc_static_slice_table[20]) +#define GRPC_MDSTR_GRPC_DOT_WAIT_FOR_READY (grpc_static_slice_table[21]) /* "grpc.timeout" */ -#define GRPC_MDSTR_GRPC_DOT_TIMEOUT (grpc_static_slice_table[21]) +#define GRPC_MDSTR_GRPC_DOT_TIMEOUT (grpc_static_slice_table[22]) /* "grpc.max_request_message_bytes" */ #define GRPC_MDSTR_GRPC_DOT_MAX_REQUEST_MESSAGE_BYTES \ - (grpc_static_slice_table[22]) + (grpc_static_slice_table[23]) /* "grpc.max_response_message_bytes" */ #define GRPC_MDSTR_GRPC_DOT_MAX_RESPONSE_MESSAGE_BYTES \ - (grpc_static_slice_table[23]) + (grpc_static_slice_table[24]) /* "/grpc.lb.v1.LoadBalancer/BalanceLoad" */ #define GRPC_MDSTR_SLASH_GRPC_DOT_LB_DOT_V1_DOT_LOADBALANCER_SLASH_BALANCELOAD \ - (grpc_static_slice_table[24]) + (grpc_static_slice_table[25]) /* "0" */ -#define GRPC_MDSTR_0 (grpc_static_slice_table[25]) +#define GRPC_MDSTR_0 (grpc_static_slice_table[26]) /* "1" */ -#define GRPC_MDSTR_1 (grpc_static_slice_table[26]) +#define GRPC_MDSTR_1 (grpc_static_slice_table[27]) /* "2" */ -#define GRPC_MDSTR_2 (grpc_static_slice_table[27]) +#define GRPC_MDSTR_2 (grpc_static_slice_table[28]) /* "identity" */ -#define GRPC_MDSTR_IDENTITY (grpc_static_slice_table[28]) +#define GRPC_MDSTR_IDENTITY (grpc_static_slice_table[29]) /* "gzip" */ -#define GRPC_MDSTR_GZIP (grpc_static_slice_table[29]) +#define GRPC_MDSTR_GZIP (grpc_static_slice_table[30]) /* "deflate" */ -#define GRPC_MDSTR_DEFLATE (grpc_static_slice_table[30]) +#define GRPC_MDSTR_DEFLATE (grpc_static_slice_table[31]) /* "trailers" */ -#define GRPC_MDSTR_TRAILERS (grpc_static_slice_table[31]) +#define GRPC_MDSTR_TRAILERS (grpc_static_slice_table[32]) /* "application/grpc" */ -#define GRPC_MDSTR_APPLICATION_SLASH_GRPC (grpc_static_slice_table[32]) +#define GRPC_MDSTR_APPLICATION_SLASH_GRPC (grpc_static_slice_table[33]) /* "POST" */ -#define GRPC_MDSTR_POST (grpc_static_slice_table[33]) +#define GRPC_MDSTR_POST (grpc_static_slice_table[34]) /* "200" */ -#define GRPC_MDSTR_200 (grpc_static_slice_table[34]) +#define GRPC_MDSTR_200 (grpc_static_slice_table[35]) /* "404" */ -#define GRPC_MDSTR_404 (grpc_static_slice_table[35]) +#define GRPC_MDSTR_404 (grpc_static_slice_table[36]) /* "http" */ -#define GRPC_MDSTR_HTTP (grpc_static_slice_table[36]) +#define GRPC_MDSTR_HTTP (grpc_static_slice_table[37]) /* "https" */ -#define GRPC_MDSTR_HTTPS (grpc_static_slice_table[37]) +#define GRPC_MDSTR_HTTPS (grpc_static_slice_table[38]) /* "grpc" */ -#define GRPC_MDSTR_GRPC (grpc_static_slice_table[38]) +#define GRPC_MDSTR_GRPC (grpc_static_slice_table[39]) /* "GET" */ -#define GRPC_MDSTR_GET (grpc_static_slice_table[39]) +#define GRPC_MDSTR_GET (grpc_static_slice_table[40]) /* "PUT" */ -#define GRPC_MDSTR_PUT (grpc_static_slice_table[40]) +#define GRPC_MDSTR_PUT (grpc_static_slice_table[41]) /* "/" */ -#define GRPC_MDSTR_SLASH (grpc_static_slice_table[41]) +#define GRPC_MDSTR_SLASH (grpc_static_slice_table[42]) /* "/index.html" */ -#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (grpc_static_slice_table[42]) +#define GRPC_MDSTR_SLASH_INDEX_DOT_HTML (grpc_static_slice_table[43]) /* "204" */ -#define GRPC_MDSTR_204 (grpc_static_slice_table[43]) +#define GRPC_MDSTR_204 (grpc_static_slice_table[44]) /* "206" */ -#define GRPC_MDSTR_206 (grpc_static_slice_table[44]) +#define GRPC_MDSTR_206 (grpc_static_slice_table[45]) /* "304" */ -#define GRPC_MDSTR_304 (grpc_static_slice_table[45]) +#define GRPC_MDSTR_304 (grpc_static_slice_table[46]) /* "400" */ -#define GRPC_MDSTR_400 (grpc_static_slice_table[46]) +#define GRPC_MDSTR_400 (grpc_static_slice_table[47]) /* "500" */ -#define GRPC_MDSTR_500 (grpc_static_slice_table[47]) +#define GRPC_MDSTR_500 (grpc_static_slice_table[48]) /* "accept-charset" */ -#define GRPC_MDSTR_ACCEPT_CHARSET (grpc_static_slice_table[48]) +#define GRPC_MDSTR_ACCEPT_CHARSET (grpc_static_slice_table[49]) /* "accept-encoding" */ -#define GRPC_MDSTR_ACCEPT_ENCODING (grpc_static_slice_table[49]) +#define GRPC_MDSTR_ACCEPT_ENCODING (grpc_static_slice_table[50]) /* "gzip, deflate" */ -#define GRPC_MDSTR_GZIP_COMMA_DEFLATE (grpc_static_slice_table[50]) +#define GRPC_MDSTR_GZIP_COMMA_DEFLATE (grpc_static_slice_table[51]) /* "accept-language" */ -#define GRPC_MDSTR_ACCEPT_LANGUAGE (grpc_static_slice_table[51]) +#define GRPC_MDSTR_ACCEPT_LANGUAGE (grpc_static_slice_table[52]) /* "accept-ranges" */ -#define GRPC_MDSTR_ACCEPT_RANGES (grpc_static_slice_table[52]) +#define GRPC_MDSTR_ACCEPT_RANGES (grpc_static_slice_table[53]) /* "accept" */ -#define GRPC_MDSTR_ACCEPT (grpc_static_slice_table[53]) +#define GRPC_MDSTR_ACCEPT (grpc_static_slice_table[54]) /* "access-control-allow-origin" */ -#define GRPC_MDSTR_ACCESS_CONTROL_ALLOW_ORIGIN (grpc_static_slice_table[54]) +#define GRPC_MDSTR_ACCESS_CONTROL_ALLOW_ORIGIN (grpc_static_slice_table[55]) /* "age" */ -#define GRPC_MDSTR_AGE (grpc_static_slice_table[55]) +#define GRPC_MDSTR_AGE (grpc_static_slice_table[56]) /* "allow" */ -#define GRPC_MDSTR_ALLOW (grpc_static_slice_table[56]) +#define GRPC_MDSTR_ALLOW (grpc_static_slice_table[57]) /* "authorization" */ -#define GRPC_MDSTR_AUTHORIZATION (grpc_static_slice_table[57]) +#define GRPC_MDSTR_AUTHORIZATION (grpc_static_slice_table[58]) /* "cache-control" */ -#define GRPC_MDSTR_CACHE_CONTROL (grpc_static_slice_table[58]) +#define GRPC_MDSTR_CACHE_CONTROL (grpc_static_slice_table[59]) /* "content-disposition" */ -#define GRPC_MDSTR_CONTENT_DISPOSITION (grpc_static_slice_table[59]) +#define GRPC_MDSTR_CONTENT_DISPOSITION (grpc_static_slice_table[60]) /* "content-encoding" */ -#define GRPC_MDSTR_CONTENT_ENCODING (grpc_static_slice_table[60]) +#define GRPC_MDSTR_CONTENT_ENCODING (grpc_static_slice_table[61]) /* "content-language" */ -#define GRPC_MDSTR_CONTENT_LANGUAGE (grpc_static_slice_table[61]) +#define GRPC_MDSTR_CONTENT_LANGUAGE (grpc_static_slice_table[62]) /* "content-length" */ -#define GRPC_MDSTR_CONTENT_LENGTH (grpc_static_slice_table[62]) +#define GRPC_MDSTR_CONTENT_LENGTH (grpc_static_slice_table[63]) /* "content-location" */ -#define GRPC_MDSTR_CONTENT_LOCATION (grpc_static_slice_table[63]) +#define GRPC_MDSTR_CONTENT_LOCATION (grpc_static_slice_table[64]) /* "content-range" */ -#define GRPC_MDSTR_CONTENT_RANGE (grpc_static_slice_table[64]) +#define GRPC_MDSTR_CONTENT_RANGE (grpc_static_slice_table[65]) /* "cookie" */ -#define GRPC_MDSTR_COOKIE (grpc_static_slice_table[65]) +#define GRPC_MDSTR_COOKIE (grpc_static_slice_table[66]) /* "date" */ -#define GRPC_MDSTR_DATE (grpc_static_slice_table[66]) +#define GRPC_MDSTR_DATE (grpc_static_slice_table[67]) /* "etag" */ -#define GRPC_MDSTR_ETAG (grpc_static_slice_table[67]) +#define GRPC_MDSTR_ETAG (grpc_static_slice_table[68]) /* "expect" */ -#define GRPC_MDSTR_EXPECT (grpc_static_slice_table[68]) +#define GRPC_MDSTR_EXPECT (grpc_static_slice_table[69]) /* "expires" */ -#define GRPC_MDSTR_EXPIRES (grpc_static_slice_table[69]) +#define GRPC_MDSTR_EXPIRES (grpc_static_slice_table[70]) /* "from" */ -#define GRPC_MDSTR_FROM (grpc_static_slice_table[70]) +#define GRPC_MDSTR_FROM (grpc_static_slice_table[71]) /* "if-match" */ -#define GRPC_MDSTR_IF_MATCH (grpc_static_slice_table[71]) +#define GRPC_MDSTR_IF_MATCH (grpc_static_slice_table[72]) /* "if-modified-since" */ -#define GRPC_MDSTR_IF_MODIFIED_SINCE (grpc_static_slice_table[72]) +#define GRPC_MDSTR_IF_MODIFIED_SINCE (grpc_static_slice_table[73]) /* "if-none-match" */ -#define GRPC_MDSTR_IF_NONE_MATCH (grpc_static_slice_table[73]) +#define GRPC_MDSTR_IF_NONE_MATCH (grpc_static_slice_table[74]) /* "if-range" */ -#define GRPC_MDSTR_IF_RANGE (grpc_static_slice_table[74]) +#define GRPC_MDSTR_IF_RANGE (grpc_static_slice_table[75]) /* "if-unmodified-since" */ -#define GRPC_MDSTR_IF_UNMODIFIED_SINCE (grpc_static_slice_table[75]) +#define GRPC_MDSTR_IF_UNMODIFIED_SINCE (grpc_static_slice_table[76]) /* "last-modified" */ -#define GRPC_MDSTR_LAST_MODIFIED (grpc_static_slice_table[76]) +#define GRPC_MDSTR_LAST_MODIFIED (grpc_static_slice_table[77]) +/* "lb-cost-bin" */ +#define GRPC_MDSTR_LB_COST_BIN (grpc_static_slice_table[78]) /* "link" */ -#define GRPC_MDSTR_LINK (grpc_static_slice_table[77]) +#define GRPC_MDSTR_LINK (grpc_static_slice_table[79]) /* "location" */ -#define GRPC_MDSTR_LOCATION (grpc_static_slice_table[78]) +#define GRPC_MDSTR_LOCATION (grpc_static_slice_table[80]) /* "max-forwards" */ -#define GRPC_MDSTR_MAX_FORWARDS (grpc_static_slice_table[79]) +#define GRPC_MDSTR_MAX_FORWARDS (grpc_static_slice_table[81]) /* "proxy-authenticate" */ -#define GRPC_MDSTR_PROXY_AUTHENTICATE (grpc_static_slice_table[80]) +#define GRPC_MDSTR_PROXY_AUTHENTICATE (grpc_static_slice_table[82]) /* "proxy-authorization" */ -#define GRPC_MDSTR_PROXY_AUTHORIZATION (grpc_static_slice_table[81]) +#define GRPC_MDSTR_PROXY_AUTHORIZATION (grpc_static_slice_table[83]) /* "range" */ -#define GRPC_MDSTR_RANGE (grpc_static_slice_table[82]) +#define GRPC_MDSTR_RANGE (grpc_static_slice_table[84]) /* "referer" */ -#define GRPC_MDSTR_REFERER (grpc_static_slice_table[83]) +#define GRPC_MDSTR_REFERER (grpc_static_slice_table[85]) /* "refresh" */ -#define GRPC_MDSTR_REFRESH (grpc_static_slice_table[84]) +#define GRPC_MDSTR_REFRESH (grpc_static_slice_table[86]) /* "retry-after" */ -#define GRPC_MDSTR_RETRY_AFTER (grpc_static_slice_table[85]) +#define GRPC_MDSTR_RETRY_AFTER (grpc_static_slice_table[87]) /* "server" */ -#define GRPC_MDSTR_SERVER (grpc_static_slice_table[86]) +#define GRPC_MDSTR_SERVER (grpc_static_slice_table[88]) /* "set-cookie" */ -#define GRPC_MDSTR_SET_COOKIE (grpc_static_slice_table[87]) +#define GRPC_MDSTR_SET_COOKIE (grpc_static_slice_table[89]) /* "strict-transport-security" */ -#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (grpc_static_slice_table[88]) +#define GRPC_MDSTR_STRICT_TRANSPORT_SECURITY (grpc_static_slice_table[90]) /* "transfer-encoding" */ -#define GRPC_MDSTR_TRANSFER_ENCODING (grpc_static_slice_table[89]) +#define GRPC_MDSTR_TRANSFER_ENCODING (grpc_static_slice_table[91]) /* "vary" */ -#define GRPC_MDSTR_VARY (grpc_static_slice_table[90]) +#define GRPC_MDSTR_VARY (grpc_static_slice_table[92]) /* "via" */ -#define GRPC_MDSTR_VIA (grpc_static_slice_table[91]) +#define GRPC_MDSTR_VIA (grpc_static_slice_table[93]) /* "www-authenticate" */ -#define GRPC_MDSTR_WWW_AUTHENTICATE (grpc_static_slice_table[92]) +#define GRPC_MDSTR_WWW_AUTHENTICATE (grpc_static_slice_table[94]) /* "identity,deflate" */ -#define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE (grpc_static_slice_table[93]) +#define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE (grpc_static_slice_table[95]) /* "identity,gzip" */ -#define GRPC_MDSTR_IDENTITY_COMMA_GZIP (grpc_static_slice_table[94]) +#define GRPC_MDSTR_IDENTITY_COMMA_GZIP (grpc_static_slice_table[96]) /* "deflate,gzip" */ -#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (grpc_static_slice_table[95]) +#define GRPC_MDSTR_DEFLATE_COMMA_GZIP (grpc_static_slice_table[97]) /* "identity,deflate,gzip" */ #define GRPC_MDSTR_IDENTITY_COMMA_DEFLATE_COMMA_GZIP \ - (grpc_static_slice_table[96]) + (grpc_static_slice_table[98]) extern const grpc_slice_refcount_vtable grpc_static_metadata_vtable; extern grpc_slice_refcount @@ -255,7 +259,7 @@ extern grpc_slice_refcount #define GRPC_STATIC_METADATA_INDEX(static_slice) \ ((int)((static_slice).refcount - grpc_static_metadata_refcounts)) -#define GRPC_STATIC_MDELEM_COUNT 80 +#define GRPC_STATIC_MDELEM_COUNT 81 extern grpc_mdelem_data grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT]; extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT]; /* "grpc-status": "0" */ @@ -426,78 +430,81 @@ extern uintptr_t grpc_static_mdelem_user_data[GRPC_STATIC_MDELEM_COUNT]; /* "lb-token": "" */ #define GRPC_MDELEM_LB_TOKEN_EMPTY \ (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[55], GRPC_MDELEM_STORAGE_STATIC)) +/* "lb-cost-bin": "" */ +#define GRPC_MDELEM_LB_COST_BIN_EMPTY \ + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[56], GRPC_MDELEM_STORAGE_STATIC)) /* "link": "" */ #define GRPC_MDELEM_LINK_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[56], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[57], GRPC_MDELEM_STORAGE_STATIC)) /* "location": "" */ #define GRPC_MDELEM_LOCATION_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[57], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[58], GRPC_MDELEM_STORAGE_STATIC)) /* "max-forwards": "" */ #define GRPC_MDELEM_MAX_FORWARDS_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[58], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[59], GRPC_MDELEM_STORAGE_STATIC)) /* "proxy-authenticate": "" */ #define GRPC_MDELEM_PROXY_AUTHENTICATE_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[59], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[60], GRPC_MDELEM_STORAGE_STATIC)) /* "proxy-authorization": "" */ #define GRPC_MDELEM_PROXY_AUTHORIZATION_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[60], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[61], GRPC_MDELEM_STORAGE_STATIC)) /* "range": "" */ #define GRPC_MDELEM_RANGE_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[61], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[62], GRPC_MDELEM_STORAGE_STATIC)) /* "referer": "" */ #define GRPC_MDELEM_REFERER_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[62], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[63], GRPC_MDELEM_STORAGE_STATIC)) /* "refresh": "" */ #define GRPC_MDELEM_REFRESH_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[63], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[64], GRPC_MDELEM_STORAGE_STATIC)) /* "retry-after": "" */ #define GRPC_MDELEM_RETRY_AFTER_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[64], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[65], GRPC_MDELEM_STORAGE_STATIC)) /* "server": "" */ #define GRPC_MDELEM_SERVER_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[65], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[66], GRPC_MDELEM_STORAGE_STATIC)) /* "set-cookie": "" */ #define GRPC_MDELEM_SET_COOKIE_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[66], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[67], GRPC_MDELEM_STORAGE_STATIC)) /* "strict-transport-security": "" */ #define GRPC_MDELEM_STRICT_TRANSPORT_SECURITY_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[67], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[68], GRPC_MDELEM_STORAGE_STATIC)) /* "transfer-encoding": "" */ #define GRPC_MDELEM_TRANSFER_ENCODING_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[68], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[69], GRPC_MDELEM_STORAGE_STATIC)) /* "user-agent": "" */ #define GRPC_MDELEM_USER_AGENT_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[69], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[70], GRPC_MDELEM_STORAGE_STATIC)) /* "vary": "" */ #define GRPC_MDELEM_VARY_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[70], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[71], GRPC_MDELEM_STORAGE_STATIC)) /* "via": "" */ #define GRPC_MDELEM_VIA_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[71], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[72], GRPC_MDELEM_STORAGE_STATIC)) /* "www-authenticate": "" */ #define GRPC_MDELEM_WWW_AUTHENTICATE_EMPTY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[72], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[73], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "identity" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_IDENTITY \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[73], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[74], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "deflate" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_DEFLATE \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[74], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[75], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "identity,deflate" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_IDENTITY_COMMA_DEFLATE \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[75], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[76], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "gzip" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_GZIP \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[76], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[77], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "identity,gzip" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_IDENTITY_COMMA_GZIP \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[77], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[78], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "deflate,gzip" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_DEFLATE_COMMA_GZIP \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[78], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[79], GRPC_MDELEM_STORAGE_STATIC)) /* "grpc-accept-encoding": "identity,deflate,gzip" */ #define GRPC_MDELEM_GRPC_ACCEPT_ENCODING_IDENTITY_COMMA_DEFLATE_COMMA_GZIP \ - (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[79], GRPC_MDELEM_STORAGE_STATIC)) + (GRPC_MAKE_MDELEM(&grpc_static_mdelem_table[80], GRPC_MDELEM_STORAGE_STATIC)) grpc_mdelem grpc_static_mdelem_for_static_strings(int a, int b); typedef enum { @@ -512,6 +519,9 @@ typedef enum { GRPC_BATCH_GRPC_PAYLOAD_BIN, GRPC_BATCH_GRPC_ENCODING, GRPC_BATCH_GRPC_ACCEPT_ENCODING, + GRPC_BATCH_GRPC_SERVER_STATS_BIN, + GRPC_BATCH_GRPC_TAGS_BIN, + GRPC_BATCH_GRPC_TRACE_BIN, GRPC_BATCH_CONTENT_TYPE, GRPC_BATCH_GRPC_INTERNAL_ENCODING_REQUEST, GRPC_BATCH_USER_AGENT, @@ -534,6 +544,9 @@ typedef union { struct grpc_linked_mdelem *grpc_payload_bin; struct grpc_linked_mdelem *grpc_encoding; struct grpc_linked_mdelem *grpc_accept_encoding; + struct grpc_linked_mdelem *grpc_server_stats_bin; + struct grpc_linked_mdelem *grpc_tags_bin; + struct grpc_linked_mdelem *grpc_trace_bin; struct grpc_linked_mdelem *content_type; struct grpc_linked_mdelem *grpc_internal_encoding_request; struct grpc_linked_mdelem *user_agent; diff --git a/src/core/plugin_registry/grpc_cronet_plugin_registry.c b/src/core/plugin_registry/grpc_cronet_plugin_registry.c index c97f47b397..907e5a0f39 100644 --- a/src/core/plugin_registry/grpc_cronet_plugin_registry.c +++ b/src/core/plugin_registry/grpc_cronet_plugin_registry.c @@ -33,16 +33,24 @@ #include <grpc/grpc.h> +extern void grpc_http_filters_init(void); +extern void grpc_http_filters_shutdown(void); extern void grpc_chttp2_plugin_init(void); extern void grpc_chttp2_plugin_shutdown(void); +extern void grpc_deadline_filter_init(void); +extern void grpc_deadline_filter_shutdown(void); extern void grpc_client_channel_init(void); extern void grpc_client_channel_shutdown(void); extern void grpc_load_reporting_plugin_init(void); extern void grpc_load_reporting_plugin_shutdown(void); void grpc_register_built_in_plugins(void) { + grpc_register_plugin(grpc_http_filters_init, + grpc_http_filters_shutdown); grpc_register_plugin(grpc_chttp2_plugin_init, grpc_chttp2_plugin_shutdown); + grpc_register_plugin(grpc_deadline_filter_init, + grpc_deadline_filter_shutdown); grpc_register_plugin(grpc_client_channel_init, grpc_client_channel_shutdown); grpc_register_plugin(grpc_load_reporting_plugin_init, diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c index 803a26b753..25bda7a262 100644 --- a/src/core/plugin_registry/grpc_plugin_registry.c +++ b/src/core/plugin_registry/grpc_plugin_registry.c @@ -33,8 +33,12 @@ #include <grpc/grpc.h> +extern void grpc_http_filters_init(void); +extern void grpc_http_filters_shutdown(void); extern void grpc_chttp2_plugin_init(void); extern void grpc_chttp2_plugin_shutdown(void); +extern void grpc_deadline_filter_init(void); +extern void grpc_deadline_filter_shutdown(void); extern void grpc_client_channel_init(void); extern void grpc_client_channel_shutdown(void); extern void grpc_lb_policy_grpclb_init(void); @@ -55,10 +59,16 @@ extern void census_grpc_plugin_init(void); extern void census_grpc_plugin_shutdown(void); extern void grpc_max_age_filter_init(void); extern void grpc_max_age_filter_shutdown(void); +extern void grpc_message_size_filter_init(void); +extern void grpc_message_size_filter_shutdown(void); void grpc_register_built_in_plugins(void) { + grpc_register_plugin(grpc_http_filters_init, + grpc_http_filters_shutdown); grpc_register_plugin(grpc_chttp2_plugin_init, grpc_chttp2_plugin_shutdown); + grpc_register_plugin(grpc_deadline_filter_init, + grpc_deadline_filter_shutdown); grpc_register_plugin(grpc_client_channel_init, grpc_client_channel_shutdown); grpc_register_plugin(grpc_lb_policy_grpclb_init, @@ -79,4 +89,6 @@ void grpc_register_built_in_plugins(void) { census_grpc_plugin_shutdown); grpc_register_plugin(grpc_max_age_filter_init, grpc_max_age_filter_shutdown); + grpc_register_plugin(grpc_message_size_filter_init, + grpc_message_size_filter_shutdown); } diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c index e65fc2425d..05d4771bce 100644 --- a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c +++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c @@ -33,8 +33,12 @@ #include <grpc/grpc.h> +extern void grpc_http_filters_init(void); +extern void grpc_http_filters_shutdown(void); extern void grpc_chttp2_plugin_init(void); extern void grpc_chttp2_plugin_shutdown(void); +extern void grpc_deadline_filter_init(void); +extern void grpc_deadline_filter_shutdown(void); extern void grpc_client_channel_init(void); extern void grpc_client_channel_shutdown(void); extern void grpc_resolver_dns_ares_init(void); @@ -55,10 +59,16 @@ extern void census_grpc_plugin_init(void); extern void census_grpc_plugin_shutdown(void); extern void grpc_max_age_filter_init(void); extern void grpc_max_age_filter_shutdown(void); +extern void grpc_message_size_filter_init(void); +extern void grpc_message_size_filter_shutdown(void); void grpc_register_built_in_plugins(void) { + grpc_register_plugin(grpc_http_filters_init, + grpc_http_filters_shutdown); grpc_register_plugin(grpc_chttp2_plugin_init, grpc_chttp2_plugin_shutdown); + grpc_register_plugin(grpc_deadline_filter_init, + grpc_deadline_filter_shutdown); grpc_register_plugin(grpc_client_channel_init, grpc_client_channel_shutdown); grpc_register_plugin(grpc_resolver_dns_ares_init, @@ -79,4 +89,6 @@ void grpc_register_built_in_plugins(void) { census_grpc_plugin_shutdown); grpc_register_plugin(grpc_max_age_filter_init, grpc_max_age_filter_shutdown); + grpc_register_plugin(grpc_message_size_filter_init, + grpc_message_size_filter_shutdown); } diff --git a/src/core/tsi/fake_transport_security.c b/src/core/tsi/fake_transport_security.c index 822fad51cb..1836beefc4 100644 --- a/src/core/tsi/fake_transport_security.c +++ b/src/core/tsi/fake_transport_security.c @@ -499,6 +499,7 @@ static const tsi_handshaker_vtable handshaker_vtable = { fake_handshaker_extract_peer, fake_handshaker_create_frame_protector, fake_handshaker_destroy, + NULL, }; tsi_handshaker *tsi_create_fake_handshaker(int is_client) { diff --git a/src/core/tsi/ssl_transport_security.c b/src/core/tsi/ssl_transport_security.c index 984f745b01..e1d634a1fa 100644 --- a/src/core/tsi/ssl_transport_security.c +++ b/src/core/tsi/ssl_transport_security.c @@ -45,6 +45,7 @@ #include <ws2tcpip.h> #else #include <arpa/inet.h> +#include <sys/socket.h> #endif #include <grpc/support/alloc.h> @@ -478,9 +479,9 @@ static tsi_result do_ssl_write(SSL *ssl, unsigned char *unprotected_bytes, } /* Loads an in-memory PEM certificate chain into the SSL context. */ -static tsi_result ssl_ctx_use_certificate_chain( - SSL_CTX *context, const unsigned char *pem_cert_chain, - size_t pem_cert_chain_size) { +static tsi_result ssl_ctx_use_certificate_chain(SSL_CTX *context, + const char *pem_cert_chain, + size_t pem_cert_chain_size) { tsi_result result = TSI_OK; X509 *certificate = NULL; BIO *pem; @@ -521,8 +522,7 @@ static tsi_result ssl_ctx_use_certificate_chain( } /* Loads an in-memory PEM private key into the SSL context. */ -static tsi_result ssl_ctx_use_private_key(SSL_CTX *context, - const unsigned char *pem_key, +static tsi_result ssl_ctx_use_private_key(SSL_CTX *context, const char *pem_key, size_t pem_key_size) { tsi_result result = TSI_OK; EVP_PKEY *private_key = NULL; @@ -548,9 +548,11 @@ static tsi_result ssl_ctx_use_private_key(SSL_CTX *context, /* Loads in-memory PEM verification certs into the SSL context and optionally returns the verification cert names (root_names can be NULL). */ -static tsi_result ssl_ctx_load_verification_certs( - SSL_CTX *context, const unsigned char *pem_roots, size_t pem_roots_size, - STACK_OF(X509_NAME) * *root_names) { +static tsi_result ssl_ctx_load_verification_certs(SSL_CTX *context, + const char *pem_roots, + size_t pem_roots_size, + STACK_OF(X509_NAME) * + *root_names) { tsi_result result = TSI_OK; size_t num_roots = 0; X509 *root = NULL; @@ -617,24 +619,25 @@ static tsi_result ssl_ctx_load_verification_certs( /* Populates the SSL context with a private key and a cert chain, and sets the cipher list and the ephemeral ECDH key. */ static tsi_result populate_ssl_context( - SSL_CTX *context, const unsigned char *pem_private_key, - size_t pem_private_key_size, const unsigned char *pem_certificate_chain, - size_t pem_certificate_chain_size, const char *cipher_list) { + SSL_CTX *context, const tsi_ssl_pem_key_cert_pair *key_cert_pair, + const char *cipher_list) { tsi_result result = TSI_OK; - if (pem_certificate_chain != NULL) { - result = ssl_ctx_use_certificate_chain(context, pem_certificate_chain, - pem_certificate_chain_size); - if (result != TSI_OK) { - gpr_log(GPR_ERROR, "Invalid cert chain file."); - return result; + if (key_cert_pair != NULL) { + if (key_cert_pair->cert_chain != NULL) { + result = ssl_ctx_use_certificate_chain(context, key_cert_pair->cert_chain, + strlen(key_cert_pair->cert_chain)); + if (result != TSI_OK) { + gpr_log(GPR_ERROR, "Invalid cert chain file."); + return result; + } } - } - if (pem_private_key != NULL) { - result = - ssl_ctx_use_private_key(context, pem_private_key, pem_private_key_size); - if (result != TSI_OK || !SSL_CTX_check_private_key(context)) { - gpr_log(GPR_ERROR, "Invalid private key."); - return result != TSI_OK ? result : TSI_INVALID_ARGUMENT; + if (key_cert_pair->private_key != NULL) { + result = ssl_ctx_use_private_key(context, key_cert_pair->private_key, + strlen(key_cert_pair->private_key)); + if (result != TSI_OK || !SSL_CTX_check_private_key(context)) { + gpr_log(GPR_ERROR, "Invalid private key."); + return result != TSI_OK ? result : TSI_INVALID_ARGUMENT; + } } } if ((cipher_list != NULL) && !SSL_CTX_set_cipher_list(context, cipher_list)) { @@ -655,13 +658,12 @@ static tsi_result populate_ssl_context( } /* Extracts the CN and the SANs from an X509 cert as a peer object. */ -static tsi_result extract_x509_subject_names_from_pem_cert( - const unsigned char *pem_cert, size_t pem_cert_size, tsi_peer *peer) { +static tsi_result extract_x509_subject_names_from_pem_cert(const char *pem_cert, + tsi_peer *peer) { tsi_result result = TSI_OK; X509 *cert = NULL; BIO *pem; - GPR_ASSERT(pem_cert_size <= INT_MAX); - pem = BIO_new_mem_buf((void *)pem_cert, (int)pem_cert_size); + pem = BIO_new_mem_buf((void *)pem_cert, (int)strlen(pem_cert)); if (pem == NULL) return TSI_OUT_OF_RESOURCES; cert = PEM_read_bio_X509(pem, NULL, NULL, ""); @@ -678,8 +680,7 @@ static tsi_result extract_x509_subject_names_from_pem_cert( /* Builds the alpn protocol name list according to rfc 7301. */ static tsi_result build_alpn_protocol_name_list( - const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, + const char **alpn_protocols, uint16_t num_alpn_protocols, unsigned char **protocol_name_list, size_t *protocol_name_list_length) { uint16_t i; unsigned char *current; @@ -687,19 +688,21 @@ static tsi_result build_alpn_protocol_name_list( *protocol_name_list_length = 0; if (num_alpn_protocols == 0) return TSI_INVALID_ARGUMENT; for (i = 0; i < num_alpn_protocols; i++) { - if (alpn_protocols_lengths[i] == 0) { - gpr_log(GPR_ERROR, "Invalid 0-length protocol name."); + size_t length = alpn_protocols[i] == NULL ? 0 : strlen(alpn_protocols[i]); + if (length == 0 || length > 255) { + gpr_log(GPR_ERROR, "Invalid protocol name length: %d.", (int)length); return TSI_INVALID_ARGUMENT; } - *protocol_name_list_length += (size_t)alpn_protocols_lengths[i] + 1; + *protocol_name_list_length += length + 1; } *protocol_name_list = gpr_malloc(*protocol_name_list_length); if (*protocol_name_list == NULL) return TSI_OUT_OF_RESOURCES; current = *protocol_name_list; for (i = 0; i < num_alpn_protocols; i++) { - *(current++) = alpn_protocols_lengths[i]; - memcpy(current, alpn_protocols[i], alpn_protocols_lengths[i]); - current += alpn_protocols_lengths[i]; + size_t length = strlen(alpn_protocols[i]); + *(current++) = (uint8_t)length; /* max checked above. */ + memcpy(current, alpn_protocols[i], length); + current += length; } /* Safety check. */ if ((current < *protocol_name_list) || @@ -1039,6 +1042,7 @@ static const tsi_handshaker_vtable handshaker_vtable = { ssl_handshaker_extract_peer, ssl_handshaker_create_frame_protector, ssl_handshaker_destroy, + NULL, }; /* --- tsi_ssl_handshaker_factory common methods. --- */ @@ -1279,11 +1283,9 @@ static int server_handshaker_factory_npn_advertised_callback( /* --- tsi_ssl_handshaker_factory constructors. --- */ tsi_result tsi_create_ssl_client_handshaker_factory( - const unsigned char *pem_private_key, size_t pem_private_key_size, - const unsigned char *pem_cert_chain, size_t pem_cert_chain_size, - const unsigned char *pem_root_certs, size_t pem_root_certs_size, - const char *cipher_list, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pair, + const char *pem_root_certs, const char *cipher_suites, + const char **alpn_protocols, uint16_t num_alpn_protocols, tsi_ssl_client_handshaker_factory **factory) { SSL_CTX *ssl_context = NULL; tsi_ssl_client_handshaker_factory *impl = NULL; @@ -1306,20 +1308,19 @@ tsi_result tsi_create_ssl_client_handshaker_factory( do { result = - populate_ssl_context(ssl_context, pem_private_key, pem_private_key_size, - pem_cert_chain, pem_cert_chain_size, cipher_list); + populate_ssl_context(ssl_context, pem_key_cert_pair, cipher_suites); if (result != TSI_OK) break; result = ssl_ctx_load_verification_certs(ssl_context, pem_root_certs, - pem_root_certs_size, NULL); + strlen(pem_root_certs), NULL); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Cannot load server root certificates."); break; } if (num_alpn_protocols != 0) { - result = build_alpn_protocol_name_list( - alpn_protocols, alpn_protocols_lengths, num_alpn_protocols, - &impl->alpn_protocol_list, &impl->alpn_protocol_list_length); + result = build_alpn_protocol_name_list(alpn_protocols, num_alpn_protocols, + &impl->alpn_protocol_list, + &impl->alpn_protocol_list_length); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Building alpn list failed with error %s.", tsi_result_to_string(result)); @@ -1351,34 +1352,24 @@ tsi_result tsi_create_ssl_client_handshaker_factory( } tsi_result tsi_create_ssl_server_handshaker_factory( - const unsigned char **pem_private_keys, - const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains, - const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count, - const unsigned char *pem_client_root_certs, - size_t pem_client_root_certs_size, int force_client_auth, - const char *cipher_list, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pairs, + size_t num_key_cert_pairs, const char *pem_client_root_certs, + int force_client_auth, const char *cipher_suites, + const char **alpn_protocols, uint16_t num_alpn_protocols, tsi_ssl_server_handshaker_factory **factory) { return tsi_create_ssl_server_handshaker_factory_ex( - pem_private_keys, pem_private_keys_sizes, pem_cert_chains, - pem_cert_chains_sizes, key_cert_pair_count, pem_client_root_certs, - pem_client_root_certs_size, + pem_key_cert_pairs, num_key_cert_pairs, pem_client_root_certs, force_client_auth ? TSI_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY : TSI_DONT_REQUEST_CLIENT_CERTIFICATE, - cipher_list, alpn_protocols, alpn_protocols_lengths, num_alpn_protocols, - factory); + cipher_suites, alpn_protocols, num_alpn_protocols, factory); } tsi_result tsi_create_ssl_server_handshaker_factory_ex( - const unsigned char **pem_private_keys, - const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains, - const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count, - const unsigned char *pem_client_root_certs, - size_t pem_client_root_certs_size, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pairs, + size_t num_key_cert_pairs, const char *pem_client_root_certs, tsi_client_certificate_request_type client_certificate_request, - const char *cipher_list, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, - tsi_ssl_server_handshaker_factory **factory) { + const char *cipher_suites, const char **alpn_protocols, + uint16_t num_alpn_protocols, tsi_ssl_server_handshaker_factory **factory) { tsi_ssl_server_handshaker_factory *impl = NULL; tsi_result result = TSI_OK; size_t i = 0; @@ -1387,33 +1378,32 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex( if (factory == NULL) return TSI_INVALID_ARGUMENT; *factory = NULL; - if (key_cert_pair_count == 0 || pem_private_keys == NULL || - pem_cert_chains == NULL) { + if (num_key_cert_pairs == 0 || pem_key_cert_pairs == NULL) { return TSI_INVALID_ARGUMENT; } impl = gpr_zalloc(sizeof(*impl)); - impl->ssl_contexts = gpr_zalloc(key_cert_pair_count * sizeof(SSL_CTX *)); + impl->ssl_contexts = gpr_zalloc(num_key_cert_pairs * sizeof(SSL_CTX *)); impl->ssl_context_x509_subject_names = - gpr_zalloc(key_cert_pair_count * sizeof(tsi_peer)); + gpr_zalloc(num_key_cert_pairs * sizeof(tsi_peer)); if (impl->ssl_contexts == NULL || impl->ssl_context_x509_subject_names == NULL) { tsi_ssl_server_handshaker_factory_destroy(impl); return TSI_OUT_OF_RESOURCES; } - impl->ssl_context_count = key_cert_pair_count; + impl->ssl_context_count = num_key_cert_pairs; if (num_alpn_protocols > 0) { - result = build_alpn_protocol_name_list( - alpn_protocols, alpn_protocols_lengths, num_alpn_protocols, - &impl->alpn_protocol_list, &impl->alpn_protocol_list_length); + result = build_alpn_protocol_name_list(alpn_protocols, num_alpn_protocols, + &impl->alpn_protocol_list, + &impl->alpn_protocol_list_length); if (result != TSI_OK) { tsi_ssl_server_handshaker_factory_destroy(impl); return result; } } - for (i = 0; i < key_cert_pair_count; i++) { + for (i = 0; i < num_key_cert_pairs; i++) { do { impl->ssl_contexts[i] = SSL_CTX_new(TLSv1_2_method()); if (impl->ssl_contexts[i] == NULL) { @@ -1421,16 +1411,15 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex( result = TSI_OUT_OF_RESOURCES; break; } - result = populate_ssl_context( - impl->ssl_contexts[i], pem_private_keys[i], pem_private_keys_sizes[i], - pem_cert_chains[i], pem_cert_chains_sizes[i], cipher_list); + result = populate_ssl_context(impl->ssl_contexts[i], + &pem_key_cert_pairs[i], cipher_suites); if (result != TSI_OK) break; if (pem_client_root_certs != NULL) { STACK_OF(X509_NAME) *root_names = NULL; result = ssl_ctx_load_verification_certs( impl->ssl_contexts[i], pem_client_root_certs, - pem_client_root_certs_size, &root_names); + strlen(pem_client_root_certs), &root_names); if (result != TSI_OK) { gpr_log(GPR_ERROR, "Invalid verification certs."); break; @@ -1463,7 +1452,7 @@ tsi_result tsi_create_ssl_server_handshaker_factory_ex( } result = extract_x509_subject_names_from_pem_cert( - pem_cert_chains[i], pem_cert_chains_sizes[i], + pem_key_cert_pairs[i].cert_chain, &impl->ssl_context_x509_subject_names[i]); if (result != TSI_OK) break; diff --git a/src/core/tsi/ssl_transport_security.h b/src/core/tsi/ssl_transport_security.h index 48dcaec121..3117571d9f 100644 --- a/src/core/tsi/ssl_transport_security.h +++ b/src/core/tsi/ssl_transport_security.h @@ -60,27 +60,32 @@ extern "C" { typedef struct tsi_ssl_client_handshaker_factory tsi_ssl_client_handshaker_factory; +/* Object that holds a private key / certificate chain pair in PEM format. */ +typedef struct { + /* private_key is the NULL-terminated string containing the PEM encoding of + the client's private key. */ + const char *private_key; + + /* cert_chain is the NULL-terminated string containing the PEM encoding of + the client's certificate chain. */ + const char *cert_chain; +} tsi_ssl_pem_key_cert_pair; + /* Creates a client handshaker factory. - - pem_private_key is the buffer containing the PEM encoding of the client's - private key. This parameter can be NULL if the client does not have a - private key. - - pem_private_key_size is the size of the associated buffer. - - pem_cert_chain is the buffer containing the PEM encoding of the client's - certificate chain. This parameter can be NULL if the client does not have - a certificate chain. - - pem_cert_chain_size is the size of the associated buffer. - - pem_roots_cert is the buffer containing the PEM encoding of the server - root certificates. This parameter cannot be NULL. - - pem_roots_cert_size is the size of the associated buffer. + - pem_key_cert_pair is a pointer to the object containing client's private + key and certificate chain. This parameter can be NULL if the client does + not have such a key/cert pair. + - pem_roots_cert is the NULL-terminated string containing the PEM encoding of + the client root certificates. This parameter may be NULL if the server does + not want the client to be authenticated with SSL. - cipher_suites contains an optional list of the ciphers that the client supports. The format of this string is described in: https://www.openssl.org/docs/apps/ciphers.html. This parameter can be set to NULL to use the default set of ciphers. TODO(jboeuf): Revisit the format of this parameter. - - alpn_protocols is an array containing the protocol names that the - handshakers created with this factory support. This parameter can be NULL. - - alpn_protocols_lengths is an array containing the lengths of the alpn - protocols specified in alpn_protocols. This parameter can be NULL. + - alpn_protocols is an array containing the NULL terminated protocol names + that the handshakers created with this factory support. This parameter can + be NULL. - num_alpn_protocols is the number of alpn protocols and associated lengths specified. If this parameter is 0, the other alpn parameters must be NULL. - factory is the address of the factory pointer to be created. @@ -88,11 +93,9 @@ typedef struct tsi_ssl_client_handshaker_factory - This method returns TSI_OK on success or TSI_INVALID_PARAMETER in the case where a parameter is invalid. */ tsi_result tsi_create_ssl_client_handshaker_factory( - const unsigned char *pem_private_key, size_t pem_private_key_size, - const unsigned char *pem_cert_chain, size_t pem_cert_chain_size, - const unsigned char *pem_root_certs, size_t pem_root_certs_size, - const char *cipher_suites, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pair, + const char *pem_root_certs, const char *cipher_suites, + const char **alpn_protocols, uint16_t num_alpn_protocols, tsi_ssl_client_handshaker_factory **factory); /* Creates a client handshaker. @@ -122,37 +125,19 @@ typedef struct tsi_ssl_server_handshaker_factory tsi_ssl_server_handshaker_factory; /* Creates a server handshaker factory. - - version indicates which version of the specification to use. - - pem_private_keys is an array containing the PEM encoding of the server's - private keys. This parameter cannot be NULL. The size of the array is - given by the key_cert_pair_count parameter. - - pem_private_keys_sizes is the array containing the sizes of the associated - buffers. - - pem_cert_chains is an array containing the PEM encoding of the server's - cert chains. This parameter cannot be NULL. The size of the array is - given by the key_cert_pair_count parameter. - - pem_cert_chains_sizes is the array containing the sizes of the associated - buffers. - - key_cert_pair_count indicates the number of items in the private_key_files - and cert_chain_files parameters. - - pem_client_roots is the buffer containing the PEM encoding of the client - root certificates. This parameter may be NULL in which case the server will - not authenticate the client. If not NULL, the force_client_auth parameter - specifies if the server will accept only authenticated clients or both - authenticated and non-authenticated clients. - - pem_client_root_certs_size is the size of the associated buffer. - - force_client_auth, if set to non-zero will force the client to authenticate - with an SSL cert. Note that this option is ignored if pem_client_root_certs - is NULL or pem_client_roots_certs_size is 0 + - pem_key_cert_pairs is an array private key / certificate chains of the + server. + - num_key_cert_pairs is the number of items in the pem_key_cert_pairs array. + - pem_root_certs is the NULL-terminated string containing the PEM encoding + of the server root certificates. - cipher_suites contains an optional list of the ciphers that the server supports. The format of this string is described in: https://www.openssl.org/docs/apps/ciphers.html. This parameter can be set to NULL to use the default set of ciphers. TODO(jboeuf): Revisit the format of this parameter. - - alpn_protocols is an array containing the protocol names that the - handshakers created with this factory support. This parameter can be NULL. - - alpn_protocols_lengths is an array containing the lengths of the alpn - protocols specified in alpn_protocols. This parameter can be NULL. + - alpn_protocols is an array containing the NULL terminated protocol names + that the handshakers created with this factory support. This parameter can + be NULL. - num_alpn_protocols is the number of alpn protocols and associated lengths specified. If this parameter is 0, the other alpn parameters must be NULL. - factory is the address of the factory pointer to be created. @@ -160,13 +145,10 @@ typedef struct tsi_ssl_server_handshaker_factory - This method returns TSI_OK on success or TSI_INVALID_PARAMETER in the case where a parameter is invalid. */ tsi_result tsi_create_ssl_server_handshaker_factory( - const unsigned char **pem_private_keys, - const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains, - const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count, - const unsigned char *pem_client_root_certs, - size_t pem_client_root_certs_size, int force_client_auth, - const char *cipher_suites, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pairs, + size_t num_key_cert_pairs, const char *pem_client_root_certs, + int force_client_auth, const char *cipher_suites, + const char **alpn_protocols, uint16_t num_alpn_protocols, tsi_ssl_server_handshaker_factory **factory); /* Same as tsi_create_ssl_server_handshaker_factory method except uses @@ -176,15 +158,11 @@ tsi_result tsi_create_ssl_server_handshaker_factory( authenticate with an SSL cert. Note that this option is ignored if pem_client_root_certs is NULL or pem_client_roots_certs_size is 0 */ tsi_result tsi_create_ssl_server_handshaker_factory_ex( - const unsigned char **pem_private_keys, - const size_t *pem_private_keys_sizes, const unsigned char **pem_cert_chains, - const size_t *pem_cert_chains_sizes, size_t key_cert_pair_count, - const unsigned char *pem_client_root_certs, - size_t pem_client_root_certs_size, + const tsi_ssl_pem_key_cert_pair *pem_key_cert_pairs, + size_t num_key_cert_pairs, const char *pem_client_root_certs, tsi_client_certificate_request_type client_certificate_request, - const char *cipher_suites, const unsigned char **alpn_protocols, - const unsigned char *alpn_protocols_lengths, uint16_t num_alpn_protocols, - tsi_ssl_server_handshaker_factory **factory); + const char *cipher_suites, const char **alpn_protocols, + uint16_t num_alpn_protocols, tsi_ssl_server_handshaker_factory **factory); /* Creates a server handshaker. - self is the factory from which the handshaker will be created. diff --git a/src/core/tsi/transport_security.c b/src/core/tsi/transport_security.c index 67ebe1b1f3..b11c00c43c 100644 --- a/src/core/tsi/transport_security.c +++ b/src/core/tsi/transport_security.c @@ -73,6 +73,8 @@ const char *tsi_result_to_string(tsi_result result) { return "TSI_HANDSHAKE_IN_PROGRESS"; case TSI_OUT_OF_RESOURCES: return "TSI_OUT_OF_RESOURCES"; + case TSI_ASYNC: + return "TSI_ASYNC"; default: return "UNKNOWN"; } @@ -92,6 +94,9 @@ tsi_result tsi_frame_protector_protect(tsi_frame_protector *self, protected_output_frames_size == NULL) { return TSI_INVALID_ARGUMENT; } + if (self->vtable == NULL || self->vtable->protect == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->protect(self, unprotected_bytes, unprotected_bytes_size, protected_output_frames, protected_output_frames_size); @@ -104,6 +109,9 @@ tsi_result tsi_frame_protector_protect_flush( protected_output_frames_size == NULL || still_pending_size == NULL) { return TSI_INVALID_ARGUMENT; } + if (self->vtable == NULL || self->vtable->protect_flush == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->protect_flush(self, protected_output_frames, protected_output_frames_size, still_pending_size); @@ -118,6 +126,9 @@ tsi_result tsi_frame_protector_unprotect( unprotected_bytes_size == NULL) { return TSI_INVALID_ARGUMENT; } + if (self->vtable == NULL || self->vtable->unprotect == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->unprotect(self, protected_frames_bytes, protected_frames_bytes_size, unprotected_bytes, unprotected_bytes_size); @@ -139,6 +150,9 @@ tsi_result tsi_handshaker_get_bytes_to_send_to_peer(tsi_handshaker *self, return TSI_INVALID_ARGUMENT; } if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; + if (self->vtable == NULL || self->vtable->get_bytes_to_send_to_peer == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->get_bytes_to_send_to_peer(self, bytes, bytes_size); } @@ -149,12 +163,18 @@ tsi_result tsi_handshaker_process_bytes_from_peer(tsi_handshaker *self, return TSI_INVALID_ARGUMENT; } if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; + if (self->vtable == NULL || self->vtable->process_bytes_from_peer == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->process_bytes_from_peer(self, bytes, bytes_size); } tsi_result tsi_handshaker_get_result(tsi_handshaker *self) { if (self == NULL) return TSI_INVALID_ARGUMENT; if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; + if (self->vtable == NULL || self->vtable->get_result == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->get_result(self); } @@ -165,6 +185,9 @@ tsi_result tsi_handshaker_extract_peer(tsi_handshaker *self, tsi_peer *peer) { if (tsi_handshaker_get_result(self) != TSI_OK) { return TSI_FAILED_PRECONDITION; } + if (self->vtable == NULL || self->vtable->extract_peer == NULL) { + return TSI_UNIMPLEMENTED; + } return self->vtable->extract_peer(self, peer); } @@ -177,19 +200,77 @@ tsi_result tsi_handshaker_create_frame_protector( if (tsi_handshaker_get_result(self) != TSI_OK) { return TSI_FAILED_PRECONDITION; } + if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { + return TSI_UNIMPLEMENTED; + } result = self->vtable->create_frame_protector(self, max_protected_frame_size, protector); if (result == TSI_OK) { - self->frame_protector_created = 1; + self->frame_protector_created = true; } return result; } +tsi_result tsi_handshaker_next( + tsi_handshaker *self, const unsigned char *received_bytes, + size_t received_bytes_size, unsigned char **bytes_to_send, + size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result, + tsi_handshaker_on_next_done_cb cb, void *user_data) { + if (self == NULL) return TSI_INVALID_ARGUMENT; + if (self->handshaker_result_created) return TSI_FAILED_PRECONDITION; + if (self->vtable == NULL || self->vtable->next == NULL) { + return TSI_UNIMPLEMENTED; + } + return self->vtable->next(self, received_bytes, received_bytes_size, + bytes_to_send, bytes_to_send_size, + handshaker_result, cb, user_data); +} + void tsi_handshaker_destroy(tsi_handshaker *self) { if (self == NULL) return; self->vtable->destroy(self); } +/* --- tsi_handshaker_result implementation. --- */ + +tsi_result tsi_handshaker_result_extract_peer(const tsi_handshaker_result *self, + tsi_peer *peer) { + if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT; + memset(peer, 0, sizeof(tsi_peer)); + if (self->vtable == NULL || self->vtable->extract_peer == NULL) { + return TSI_UNIMPLEMENTED; + } + return self->vtable->extract_peer(self, peer); +} + +tsi_result tsi_handshaker_result_create_frame_protector( + const tsi_handshaker_result *self, size_t *max_protected_frame_size, + tsi_frame_protector **protector) { + if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT; + if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { + return TSI_UNIMPLEMENTED; + } + return self->vtable->create_frame_protector(self, max_protected_frame_size, + protector); +} + +tsi_result tsi_handshaker_result_get_unused_bytes( + const tsi_handshaker_result *self, unsigned char **bytes, + size_t *bytes_size) { + if (self == NULL || bytes == NULL || bytes_size == NULL) { + return TSI_INVALID_ARGUMENT; + } + if (self->vtable == NULL || self->vtable->get_unused_bytes == NULL) { + return TSI_UNIMPLEMENTED; + } + return self->vtable->get_unused_bytes(self, bytes, bytes_size); +} + +void tsi_handshaker_result_destroy(tsi_handshaker_result *self) { + if (self == NULL) return; + self->vtable->destroy(self); +} + /* --- tsi_peer implementation. --- */ tsi_peer_property tsi_init_peer_property(void) { diff --git a/src/core/tsi/transport_security.h b/src/core/tsi/transport_security.h index 491fa1a8bd..a4c9cbc001 100644 --- a/src/core/tsi/transport_security.h +++ b/src/core/tsi/transport_security.h @@ -34,6 +34,8 @@ #ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_H #define GRPC_CORE_TSI_TRANSPORT_SECURITY_H +#include <stdbool.h> + #include "src/core/tsi/transport_security_interface.h" #ifdef __cplusplus @@ -81,11 +83,33 @@ typedef struct { size_t *max_protected_frame_size, tsi_frame_protector **protector); void (*destroy)(tsi_handshaker *self); + tsi_result (*next)(tsi_handshaker *self, const unsigned char *received_bytes, + size_t received_bytes_size, unsigned char **bytes_to_send, + size_t *bytes_to_send_size, + tsi_handshaker_result **handshaker_result, + tsi_handshaker_on_next_done_cb cb, void *user_data); } tsi_handshaker_vtable; struct tsi_handshaker { const tsi_handshaker_vtable *vtable; - int frame_protector_created; + bool frame_protector_created; + bool handshaker_result_created; +}; + +/* Base for tsi_handshaker_result implementations. + See transport_security_interface.h for documentation. */ +typedef struct { + tsi_result (*extract_peer)(const tsi_handshaker_result *self, tsi_peer *peer); + tsi_result (*create_frame_protector)(const tsi_handshaker_result *self, + size_t *max_output_protected_frame_size, + tsi_frame_protector **protector); + tsi_result (*get_unused_bytes)(const tsi_handshaker_result *self, + unsigned char **bytes, size_t *bytes_size); + void (*destroy)(tsi_handshaker_result *self); +} tsi_handshaker_result_vtable; + +struct tsi_handshaker_result { + const tsi_handshaker_result_vtable *vtable; }; /* Peer and property construction/destruction functions. */ diff --git a/src/core/tsi/transport_security_adapter.c b/src/core/tsi/transport_security_adapter.c new file mode 100644 index 0000000000..9f2147b530 --- /dev/null +++ b/src/core/tsi/transport_security_adapter.c @@ -0,0 +1,236 @@ +/* + * + * Copyright 2017, 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/tsi/transport_security_adapter.h" + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include "src/core/tsi/transport_security.h" + +#define TSI_ADAPTER_INITIAL_BUFFER_SIZE 256 + +/* --- tsi_adapter_handshaker_result implementation ---*/ + +typedef struct { + tsi_handshaker_result base; + tsi_handshaker *wrapped; + unsigned char *unused_bytes; + size_t unused_bytes_size; +} tsi_adapter_handshaker_result; + +static tsi_result adapter_result_extract_peer(const tsi_handshaker_result *self, + tsi_peer *peer) { + tsi_adapter_handshaker_result *impl = (tsi_adapter_handshaker_result *)self; + return tsi_handshaker_extract_peer(impl->wrapped, peer); +} + +static tsi_result adapter_result_create_frame_protector( + const tsi_handshaker_result *self, size_t *max_output_protected_frame_size, + tsi_frame_protector **protector) { + tsi_adapter_handshaker_result *impl = (tsi_adapter_handshaker_result *)self; + return tsi_handshaker_create_frame_protector( + impl->wrapped, max_output_protected_frame_size, protector); +} + +static tsi_result adapter_result_get_unused_bytes( + const tsi_handshaker_result *self, unsigned char **bytes, + size_t *byte_size) { + tsi_adapter_handshaker_result *impl = (tsi_adapter_handshaker_result *)self; + *bytes = impl->unused_bytes; + *byte_size = impl->unused_bytes_size; + return TSI_OK; +} + +static void adapter_result_destroy(tsi_handshaker_result *self) { + tsi_adapter_handshaker_result *impl = (tsi_adapter_handshaker_result *)self; + tsi_handshaker_destroy(impl->wrapped); + gpr_free(impl->unused_bytes); + gpr_free(self); +} + +static const tsi_handshaker_result_vtable result_vtable = { + adapter_result_extract_peer, adapter_result_create_frame_protector, + adapter_result_get_unused_bytes, adapter_result_destroy, +}; + +/* Ownership of wrapped tsi_handshaker is transferred to the result object. */ +static tsi_result tsi_adapter_create_handshaker_result( + tsi_handshaker *wrapped, const unsigned char *unused_bytes, + size_t unused_bytes_size, tsi_handshaker_result **handshaker_result) { + if (wrapped == NULL || (unused_bytes_size > 0 && unused_bytes == NULL)) { + return TSI_INVALID_ARGUMENT; + } + tsi_adapter_handshaker_result *impl = gpr_zalloc(sizeof(*impl)); + impl->base.vtable = &result_vtable; + impl->wrapped = wrapped; + impl->unused_bytes_size = unused_bytes_size; + if (unused_bytes_size > 0) { + impl->unused_bytes = gpr_malloc(unused_bytes_size); + memcpy(impl->unused_bytes, unused_bytes, unused_bytes_size); + } else { + impl->unused_bytes = NULL; + } + *handshaker_result = &impl->base; + return TSI_OK; +} + +/* --- tsi_adapter_handshaker implementation ---*/ + +typedef struct { + tsi_handshaker base; + tsi_handshaker *wrapped; + unsigned char *adapter_buffer; + size_t adapter_buffer_size; +} tsi_adapter_handshaker; + +static tsi_result adapter_get_bytes_to_send_to_peer(tsi_handshaker *self, + unsigned char *bytes, + size_t *bytes_size) { + return tsi_handshaker_get_bytes_to_send_to_peer( + tsi_adapter_handshaker_get_wrapped(self), bytes, bytes_size); +} + +static tsi_result adapter_process_bytes_from_peer(tsi_handshaker *self, + const unsigned char *bytes, + size_t *bytes_size) { + return tsi_handshaker_process_bytes_from_peer( + tsi_adapter_handshaker_get_wrapped(self), bytes, bytes_size); +} + +static tsi_result adapter_get_result(tsi_handshaker *self) { + return tsi_handshaker_get_result(tsi_adapter_handshaker_get_wrapped(self)); +} + +static tsi_result adapter_extract_peer(tsi_handshaker *self, tsi_peer *peer) { + return tsi_handshaker_extract_peer(tsi_adapter_handshaker_get_wrapped(self), + peer); +} + +static tsi_result adapter_create_frame_protector( + tsi_handshaker *self, size_t *max_protected_frame_size, + tsi_frame_protector **protector) { + return tsi_handshaker_create_frame_protector( + tsi_adapter_handshaker_get_wrapped(self), max_protected_frame_size, + protector); +} + +static void adapter_destroy(tsi_handshaker *self) { + tsi_adapter_handshaker *impl = (tsi_adapter_handshaker *)self; + tsi_handshaker_destroy(impl->wrapped); + gpr_free(impl->adapter_buffer); + gpr_free(self); +} + +static tsi_result adapter_next( + tsi_handshaker *self, const unsigned char *received_bytes, + size_t received_bytes_size, unsigned char **bytes_to_send, + size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result, + tsi_handshaker_on_next_done_cb cb, void *user_data) { + /* Input sanity check. */ + if ((received_bytes_size > 0 && received_bytes == NULL) || + bytes_to_send == NULL || bytes_to_send_size == NULL || + handshaker_result == NULL) { + return TSI_INVALID_ARGUMENT; + } + + /* If there are received bytes, process them first. */ + tsi_adapter_handshaker *impl = (tsi_adapter_handshaker *)self; + tsi_result status = TSI_OK; + size_t bytes_consumed = received_bytes_size; + if (received_bytes_size > 0) { + status = tsi_handshaker_process_bytes_from_peer( + impl->wrapped, received_bytes, &bytes_consumed); + if (status != TSI_OK) return status; + } + + /* Get bytes to send to the peer, if available. */ + size_t offset = 0; + do { + size_t to_send_size = impl->adapter_buffer_size - offset; + status = tsi_handshaker_get_bytes_to_send_to_peer( + impl->wrapped, impl->adapter_buffer + offset, &to_send_size); + offset += to_send_size; + if (status == TSI_INCOMPLETE_DATA) { + impl->adapter_buffer_size *= 2; + impl->adapter_buffer = + gpr_realloc(impl->adapter_buffer, impl->adapter_buffer_size); + } + } while (status == TSI_INCOMPLETE_DATA); + if (status != TSI_OK) return status; + *bytes_to_send = impl->adapter_buffer; + *bytes_to_send_size = offset; + + /* If handshake completes, create tsi_handshaker_result. */ + if (tsi_handshaker_is_in_progress(impl->wrapped)) { + *handshaker_result = NULL; + } else { + size_t unused_bytes_size = received_bytes_size - bytes_consumed; + const unsigned char *unused_bytes = + unused_bytes_size == 0 ? NULL : received_bytes + bytes_consumed; + status = tsi_adapter_create_handshaker_result( + impl->wrapped, unused_bytes, unused_bytes_size, handshaker_result); + if (status == TSI_OK) { + impl->base.handshaker_result_created = true; + impl->wrapped = NULL; + } + } + return status; +} + +static const tsi_handshaker_vtable handshaker_vtable = { + adapter_get_bytes_to_send_to_peer, + adapter_process_bytes_from_peer, + adapter_get_result, + adapter_extract_peer, + adapter_create_frame_protector, + adapter_destroy, + adapter_next, +}; + +tsi_handshaker *tsi_create_adapter_handshaker(tsi_handshaker *wrapped) { + GPR_ASSERT(wrapped != NULL); + tsi_adapter_handshaker *impl = gpr_zalloc(sizeof(*impl)); + impl->base.vtable = &handshaker_vtable; + impl->wrapped = wrapped; + impl->adapter_buffer_size = TSI_ADAPTER_INITIAL_BUFFER_SIZE; + impl->adapter_buffer = gpr_malloc(impl->adapter_buffer_size); + return &impl->base; +} + +tsi_handshaker *tsi_adapter_handshaker_get_wrapped(tsi_handshaker *adapter) { + if (adapter == NULL) return NULL; + tsi_adapter_handshaker *impl = (tsi_adapter_handshaker *)adapter; + return impl->wrapped; +} diff --git a/src/core/tsi/transport_security_adapter.h b/src/core/tsi/transport_security_adapter.h new file mode 100644 index 0000000000..400df2f11b --- /dev/null +++ b/src/core/tsi/transport_security_adapter.h @@ -0,0 +1,62 @@ +/* + * + * Copyright 2017, 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_TSI_TRANSPORT_SECURITY_ADAPTER_H +#define GRPC_CORE_TSI_TRANSPORT_SECURITY_ADAPTER_H + +#include "src/core/tsi/transport_security_interface.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Create a tsi handshaker that takes an implementation of old interface and + converts into an implementation of new interface. In the old interface, + there are get_bytes_to_send_to_peer, process_bytes_from_peer, get_result, + extract_peer, and create_frame_protector. In the new interface, only next + method is needed. See transport_security_interface.h for details. Note that + this tsi adapter handshaker is temporary. It will be removed once TSI has + been fully migrated to the new interface. + Ownership of input tsi_handshaker is transferred to this new adapter. */ +tsi_handshaker *tsi_create_adapter_handshaker(tsi_handshaker *wrapped); + +/* Given a tsi adapter handshaker, return the original wrapped handshaker. The + adapter still owns the wrapped handshaker which should not be destroyed by + the caller. */ +tsi_handshaker *tsi_adapter_handshaker_get_wrapped(tsi_handshaker *adapter); + +#ifdef __cplusplus +} +#endif + +#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_ADAPTER_H */ diff --git a/src/core/tsi/transport_security_interface.h b/src/core/tsi/transport_security_interface.h index caed43eac4..f2112b62b6 100644 --- a/src/core/tsi/transport_security_interface.h +++ b/src/core/tsi/transport_security_interface.h @@ -56,7 +56,8 @@ typedef enum { TSI_NOT_FOUND = 9, TSI_PROTOCOL_FAILURE = 10, TSI_HANDSHAKE_IN_PROGRESS = 11, - TSI_OUT_OF_RESOURCES = 12 + TSI_OUT_OF_RESOURCES = 12, + TSI_ASYNC = 13 } tsi_result; typedef enum { @@ -208,76 +209,138 @@ typedef struct { /* Destructs the tsi_peer object. */ void tsi_peer_destruct(tsi_peer *self); +/* --- tsi_handshaker_result object --- + + This object contains all necessary handshake results and data such as peer + info, negotiated keys, unused handshake bytes, when the handshake completes. + Implementations of this object must be thread compatible. */ + +typedef struct tsi_handshaker_result tsi_handshaker_result; + +/* This method extracts tsi peer. It returns TSI_OK assuming there is no fatal + error. + The caller is responsible for destructing the peer. */ +tsi_result tsi_handshaker_result_extract_peer(const tsi_handshaker_result *self, + tsi_peer *peer); + +/* This method creates a tsi_frame_protector object. It returns TSI_OK assuming + there is no fatal error. + The caller is responsible for destroying the protector. */ +tsi_result tsi_handshaker_result_create_frame_protector( + const tsi_handshaker_result *self, size_t *max_output_protected_frame_size, + tsi_frame_protector **protector); + +/* This method returns the unused bytes from the handshake. It returns TSI_OK + assuming there is no fatal error. + Ownership of the bytes is retained by the handshaker result. As a + consequence, the caller must not free the bytes. */ +tsi_result tsi_handshaker_result_get_unused_bytes( + const tsi_handshaker_result *self, unsigned char **bytes, + size_t *byte_size); + +/* This method releases the tsi_handshaker_handshaker object. After this method + is called, no other method can be called on the object. */ +void tsi_handshaker_result_destroy(tsi_handshaker_result *self); + /* --- tsi_handshaker objects ---- Implementations of this object must be thread compatible. - A typical usage of this object would be: + ------------------------------------------------------------------------ + + A typical usage supporting both synchronous and asynchronous TSI handshaker + implementations would be: ------------------------------------------------------------------------ - tsi_result result = TSI_OK; - unsigned char buf[4096]; - size_t buf_offset; - size_t buf_size; - while (1) { - // See if we need to send some bytes to the peer. - do { - size_t buf_size_to_send = sizeof(buf); - result = tsi_handshaker_get_bytes_to_send_to_peer(handshaker, buf, - &buf_size_to_send); - if (buf_size_to_send > 0) send_bytes_to_peer(buf, buf_size_to_send); - } while (result == TSI_INCOMPLETE_DATA); - if (result != TSI_OK) return result; - if (!tsi_handshaker_is_in_progress(handshaker)) break; - - do { - // Read bytes from the peer. - buf_size = sizeof(buf); - buf_offset = 0; - read_bytes_from_peer(buf, &buf_size); - if (buf_size == 0) break; - - // Process the bytes from the peer. We have to be careful as these bytes - // may contain non-handshake data (protected data). If this is the case, - // we will exit from the loop with buf_size > 0. - size_t consumed_by_handshaker = buf_size; - result = tsi_handshaker_process_bytes_from_peer( - handshaker, buf, &consumed_by_handshaker); - buf_size -= consumed_by_handshaker; - buf_offset += consumed_by_handshaker; - } while (result == TSI_INCOMPLETE_DATA); - - if (result != TSI_OK) return result; - if (!tsi_handshaker_is_in_progress(handshaker)) break; + + typedef struct { + tsi_handshaker *handshaker; + tsi_handshaker_result *handshaker_result; + unsigned char *handshake_buffer; + size_t handshake_buffer_size; + ... + } security_handshaker; + + void do_handshake(security_handshaker *h, ...) { + // Start the handshake by the calling do_handshake_next. + do_handshake_next(h, NULL, 0); + ... } - // Check the Peer. - tsi_peer peer; - do { - result = tsi_handshaker_extract_peer(handshaker, &peer); - if (result != TSI_OK) break; - result = check_peer(&peer); - } while (0); - tsi_peer_destruct(&peer); - if (result != TSI_OK) return result; - - // Create the protector. - tsi_frame_protector* protector = NULL; - result = tsi_handshaker_create_frame_protector(handshaker, NULL, - &protector); - if (result != TSI_OK) return result; - - // Do not forget to unprotect outstanding data if any. - if (buf_size > 0) { - result = tsi_frame_protector_unprotect(protector, buf + buf_offset, - buf_size, ..., ...); - .... + // This method is the callback function when data is received from the + // peer. This method will read bytes into the handshake buffer and call + // do_handshake_next. + void on_handshake_data_received_from_peer(void *user_data) { + security_handshaker *h = (security_handshaker *)user_data; + size_t bytes_received_size = h->handshake_buffer_size; + read_bytes_from_peer(h->handshake_buffer, &bytes_received_size); + do_handshake_next(h, h->handshake_buffer, bytes_received_size); + } + + // This method processes a step of handshake, calling tsi_handshaker_next. + void do_handshake_next(security_handshaker *h, + const unsigned char* bytes_received, + size_t bytes_received_size) { + tsi_result status = TSI_OK; + unsigned char *bytes_to_send = NULL; + size_t bytes_to_send_size = 0; + tsi_handshaker_result *result = NULL; + status = tsi_handshaker_next( + handshaker, bytes_received, bytes_received_size, &bytes_to_send, + &bytes_to_send_size, &result, on_handshake_next_done, h); + // If TSI handshaker is asynchronous, on_handshake_next_done will be + // executed inside tsi_handshaker_next. + if (status == TSI_ASYNC) return; + // If TSI handshaker is synchronous, invoke callback directly in this + // thread. + on_handshake_next_done(status, (void *)h, bytes_to_send, + bytes_to_send_size, result); + } + + // This is the callback function to execute after tsi_handshaker_next. + // It is passed to tsi_handshaker_next as a function parameter. + void on_handshake_next_done( + tsi_result status, void *user_data, const unsigned char *bytes_to_send, + size_t bytes_to_send_size, tsi_handshaker_result *result) { + security_handshaker *h = (security_handshaker *)user_data; + if (status == TSI_INCOMPLETE_DATA) { + // Schedule an asynchronous read from the peer. If handshake data are + // received, on_handshake_data_received_from_peer will be called. + async_read_from_peer(..., ..., on_handshake_data_received_from_peer); + return; + } + if (status != TSI_OK) return; + + if (bytes_to_send_size > 0) { + send_bytes_to_peer(bytes_to_send, bytes_to_send_size); + } + + if (result != NULL) { + // Handshake completed. + h->result = result; + // Check the Peer. + tsi_peer peer; + status = tsi_handshaker_result_extract_peer(result, &peer); + if (status != TSI_OK) return; + status = check_peer(&peer); + tsi_peer_destruct(&peer); + if (status != TSI_OK) return; + + // Create the protector. + tsi_frame_protector* protector = NULL; + status = tsi_handshaker_result_create_frame_protector(result, NULL, + &protector); + if (status != TSI_OK) return; + + // Do not forget to unprotect outstanding data if any. + .... + } } - ... ------------------------------------------------------------------------ */ typedef struct tsi_handshaker tsi_handshaker; -/* Gets bytes that need to be sent to the peer. +/* TO BE DEPRECATED SOON. Use tsi_handshaker_next instead. + Gets bytes that need to be sent to the peer. - bytes is the buffer that will be written with the data to be sent to the peer. - bytes_size is an input/output parameter specifying the capacity of the @@ -292,7 +355,8 @@ tsi_result tsi_handshaker_get_bytes_to_send_to_peer(tsi_handshaker *self, unsigned char *bytes, size_t *bytes_size); -/* Processes bytes received from the peer. +/* TO BE DEPRECATED SOON. Use tsi_handshaker_next instead. + Processes bytes received from the peer. - bytes is the buffer containing the data. - bytes_size is an input/output parameter specifying the size of the data as input and the number of bytes consumed as output. @@ -305,24 +369,29 @@ tsi_result tsi_handshaker_process_bytes_from_peer(tsi_handshaker *self, const unsigned char *bytes, size_t *bytes_size); -/* Gets the result of the handshaker. +/* TO BE DEPRECATED SOON. + Gets the result of the handshaker. Returns TSI_OK if the hanshake completed successfully and there has been no errors. Returns TSI_HANDSHAKE_IN_PROGRESS if the handshaker is not done yet but no error has been encountered so far. Otherwise the handshaker failed with the returned error. */ tsi_result tsi_handshaker_get_result(tsi_handshaker *self); -/* Returns 1 if the handshake is in progress, 0 otherwise. */ +/* TO BE DEPRECATED SOON. + Returns 1 if the handshake is in progress, 0 otherwise. */ #define tsi_handshaker_is_in_progress(h) \ (tsi_handshaker_get_result((h)) == TSI_HANDSHAKE_IN_PROGRESS) -/* This method may return TSI_FAILED_PRECONDITION if +/* TO BE DEPRECATED SOON. Use tsi_handshaker_result_extract_peer instead. + This method may return TSI_FAILED_PRECONDITION if tsi_handshaker_is_in_progress returns 1, it returns TSI_OK otherwise assuming the handshaker is not in a fatal error state. The caller is responsible for destructing the peer. */ tsi_result tsi_handshaker_extract_peer(tsi_handshaker *self, tsi_peer *peer); -/* This method creates a tsi_frame_protector object after the handshake phase +/* TO BE DEPRECATED SOON. Use tsi_handshaker_result_create_frame_protector + instead. + This method creates a tsi_frame_protector object after the handshake phase is done. After this method has been called successfully, the only method that can be called on this object is Destroy. - max_output_protected_frame_size is an input/output parameter specifying the @@ -342,10 +411,53 @@ tsi_result tsi_handshaker_create_frame_protector( tsi_handshaker *self, size_t *max_output_protected_frame_size, tsi_frame_protector **protector); +/* Callback function definition for tsi_handshaker_next. + - status indicates the status of the next operation. + - user_data is the argument to callback function passed from the caller. + - bytes_to_send is the data buffer to be sent to the peer. + - bytes_to_send_size is the size of data buffer to be sent to the peer. + - handshaker_result is the result of handshake when the handshake completes, + is NULL otherwise. */ +typedef void (*tsi_handshaker_on_next_done_cb)( + tsi_result status, void *user_data, const unsigned char *bytes_to_send, + size_t bytes_to_send_size, tsi_handshaker_result *handshaker_result); + +/* Conduct a next step of the handshake. + - received_bytes is the buffer containing the data received from the peer. + - received_bytes_size is the size of the data received from the peer. + - bytes_to_send is the data buffer to be sent to the peer. + - bytes_to_send_size is the size of data buffer to be sent to the peer. + - handshaker_result is the result of handshake if the handshake completes. + - cb is the callback function defined above. It can be NULL for synchronous + TSI handshaker implementation. + - user_data is the argument to callback function passed from the caller. + This method returns TSI_ASYNC if the TSI handshaker implementation is + asynchronous, and in this case, the callback is guaranteed to run in another + thread owned by TSI. It returns TSI_OK if the handshake completes or if + there are data to send to the peer, otherwise returns TSI_INCOMPLETE_DATA + which indicates that this method needs to be called again with more data + from the peer. In case of a fatal error in the handshake, another specific + error code is returned. + The caller is responsible for destroying the handshaker_result. However, + the caller should not free bytes_to_send, as the buffer is owned by the + tsi_handshaker object. */ +tsi_result tsi_handshaker_next( + tsi_handshaker *self, const unsigned char *received_bytes, + size_t received_bytes_size, unsigned char **bytes_to_send, + size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result, + tsi_handshaker_on_next_done_cb cb, void *user_data); + /* This method releases the tsi_handshaker object. After this method is called, no other method can be called on the object. */ void tsi_handshaker_destroy(tsi_handshaker *self); +/* This method initializes the necessary shared objects used for tsi + implementation. */ +void tsi_init(); + +/* This method destroys the shared objects created by tsi_init. */ +void tsi_destroy(); + #ifdef __cplusplus } #endif |