diff options
Diffstat (limited to 'src/core')
32 files changed, 807 insertions, 415 deletions
diff --git a/src/core/ext/client_config/client_channel.c b/src/core/ext/client_config/client_channel.c index b2b4fea83c..feb4cbde7b 100644 --- a/src/core/ext/client_config/client_channel.c +++ b/src/core/ext/client_config/client_channel.c @@ -46,6 +46,7 @@ #include "src/core/ext/client_config/subchannel.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/iomgr.h" #include "src/core/lib/iomgr/polling_entity.h" #include "src/core/lib/profiling/timers.h" @@ -114,7 +115,7 @@ static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx, grpc_lb_policy_cancel_picks( exec_ctx, chand->lb_policy, /* mask= */ GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY, - /* check= */ 0); + /* check= */ 0, GRPC_ERROR_REF(error)); } grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state, error, reason); @@ -391,6 +392,17 @@ typedef enum { for initial metadata before trying to create a call object, and handling cancellation gracefully. */ typedef struct client_channel_call_data { + // State for handling deadlines. + // The code in deadline_filter.c requires this to be the first field. + // TODO(roth): This is slightly sub-optimal in that grpc_deadline_state + // and this struct both independently store a pointer to the call + // stack and each has its own mutex. If/when we have time, find a way + // to avoid this without breaking the grpc_deadline_state abstraction. + grpc_deadline_state deadline_state; + gpr_timespec deadline; + + grpc_error *cancel_error; + /** either 0 for no call, 1 for cancelled, or a pointer to a grpc_subchannel_call */ gpr_atm subchannel_call; @@ -485,7 +497,7 @@ static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, gpr_atm_no_barrier_store(&calld->subchannel_call, 1); fail_locked(exec_ctx, calld, GRPC_ERROR_CREATE_REFERENCING( "Failed to create subchannel", &error, 1)); - } else if (1 == gpr_atm_acq_load(&calld->subchannel_call)) { + } else if (GET_CALL(calld) == CANCELLED_CALL) { /* already cancelled before subchannel became ready */ fail_locked(exec_ctx, calld, GRPC_ERROR_CREATE_REFERENCING( @@ -493,7 +505,7 @@ static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, } else { grpc_subchannel_call *subchannel_call = NULL; grpc_error *new_error = grpc_connected_subchannel_create_call( - exec_ctx, calld->connected_subchannel, calld->pollent, + exec_ctx, calld->connected_subchannel, calld->pollent, calld->deadline, &subchannel_call); if (new_error != GRPC_ERROR_NONE) { new_error = grpc_error_add_child(new_error, error); @@ -531,7 +543,7 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_metadata_batch *initial_metadata, uint32_t initial_metadata_flags, grpc_connected_subchannel **connected_subchannel, - grpc_closure *on_ready); + grpc_closure *on_ready, grpc_error *error); static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { @@ -542,7 +554,8 @@ static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_REF(error), NULL); } else if (pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata, cpa->initial_metadata_flags, - cpa->connected_subchannel, cpa->on_ready)) { + cpa->connected_subchannel, cpa->on_ready, + GRPC_ERROR_NONE)) { grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_NONE, NULL); } gpr_free(cpa); @@ -552,7 +565,7 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_metadata_batch *initial_metadata, uint32_t initial_metadata_flags, grpc_connected_subchannel **connected_subchannel, - grpc_closure *on_ready) { + grpc_closure *on_ready, grpc_error *error) { GPR_TIMER_BEGIN("pick_subchannel", 0); channel_data *chand = elem->channel_data; @@ -566,21 +579,24 @@ static bool pick_subchannel(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, if (initial_metadata == NULL) { if (chand->lb_policy != NULL) { grpc_lb_policy_cancel_pick(exec_ctx, chand->lb_policy, - connected_subchannel); + connected_subchannel, GRPC_ERROR_REF(error)); } for (closure = chand->waiting_for_config_closures.head; closure != NULL; closure = closure->next_data.next) { cpa = closure->cb_arg; if (cpa->connected_subchannel == connected_subchannel) { cpa->connected_subchannel = NULL; - grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, - GRPC_ERROR_CREATE("Pick cancelled"), NULL); + grpc_exec_ctx_sched( + exec_ctx, cpa->on_ready, + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); } } gpr_mu_unlock(&chand->mu); GPR_TIMER_END("pick_subchannel", 0); + GRPC_ERROR_UNREF(error); return true; } + GPR_ASSERT(error == GRPC_ERROR_NONE); if (chand->lb_policy != NULL) { grpc_lb_policy *lb_policy = chand->lb_policy; int r; @@ -631,12 +647,13 @@ static void cc_start_transport_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op) { call_data *calld = elem->call_data; GRPC_CALL_LOG_OP(GPR_INFO, elem, op); + grpc_deadline_state_client_start_transport_stream_op(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", 0); if (call == CANCELLED_CALL) { - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, - GRPC_ERROR_CANCELLED); + grpc_transport_stream_op_finish_with_failure( + exec_ctx, op, GRPC_ERROR_REF(calld->cancel_error)); GPR_TIMER_END("cc_start_transport_stream_op", 0); return; } @@ -652,8 +669,8 @@ retry: call = GET_CALL(calld); if (call == CANCELLED_CALL) { gpr_mu_unlock(&calld->mu); - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, - GRPC_ERROR_CANCELLED); + grpc_transport_stream_op_finish_with_failure( + exec_ctx, op, GRPC_ERROR_REF(calld->cancel_error)); GPR_TIMER_END("cc_start_transport_stream_op", 0); return; } @@ -669,18 +686,24 @@ retry: (gpr_atm)(uintptr_t)CANCELLED_CALL)) { goto retry; } else { + // Stash a copy of cancel_error in our call data, so that we can use + // it for subsequent operations. This ensures that if the call is + // cancelled before any ops are passed down (e.g., if the deadline + // is in the past when the call starts), we can return the right + // error to the caller when the first op does get passed down. + calld->cancel_error = GRPC_ERROR_REF(op->cancel_error); switch (calld->creation_phase) { case GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING: fail_locked(exec_ctx, calld, GRPC_ERROR_REF(op->cancel_error)); break; case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL: pick_subchannel(exec_ctx, elem, NULL, 0, &calld->connected_subchannel, - NULL); + NULL, GRPC_ERROR_REF(op->cancel_error)); break; } gpr_mu_unlock(&calld->mu); - grpc_transport_stream_op_finish_with_failure(exec_ctx, op, - GRPC_ERROR_CANCELLED); + grpc_transport_stream_op_finish_with_failure( + exec_ctx, op, GRPC_ERROR_REF(op->cancel_error)); GPR_TIMER_END("cc_start_transport_stream_op", 0); return; } @@ -694,7 +717,8 @@ retry: GRPC_CALL_STACK_REF(calld->owning_call, "pick_subchannel"); if (pick_subchannel(exec_ctx, elem, op->send_initial_metadata, op->send_initial_metadata_flags, - &calld->connected_subchannel, &calld->next_step)) { + &calld->connected_subchannel, &calld->next_step, + GRPC_ERROR_NONE)) { calld->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING; GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, "pick_subchannel"); } @@ -704,7 +728,7 @@ retry: calld->connected_subchannel != NULL) { grpc_subchannel_call *subchannel_call = NULL; grpc_error *error = grpc_connected_subchannel_create_call( - exec_ctx, calld->connected_subchannel, calld->pollent, + exec_ctx, calld->connected_subchannel, calld->pollent, calld->deadline, &subchannel_call); if (error != GRPC_ERROR_NONE) { subchannel_call = CANCELLED_CALL; @@ -727,6 +751,9 @@ static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, grpc_call_element_args *args) { call_data *calld = elem->call_data; + grpc_deadline_state_init(exec_ctx, elem, args); + calld->deadline = args->deadline; + calld->cancel_error = GRPC_ERROR_NONE; gpr_atm_rel_store(&calld->subchannel_call, 0); gpr_mu_init(&calld->mu); calld->connected_subchannel = NULL; @@ -745,6 +772,8 @@ static void cc_destroy_call_elem(grpc_exec_ctx *exec_ctx, const grpc_call_final_info *final_info, void *and_free_memory) { call_data *calld = elem->call_data; + grpc_deadline_state_destroy(exec_ctx, elem); + GRPC_ERROR_UNREF(calld->cancel_error); grpc_subchannel_call *call = GET_CALL(calld); if (call != NULL && call != CANCELLED_CALL) { GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, call, "client_channel_destroy_call"); diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_config/client_config_plugin.c index 5e31613420..dc3629d383 100644 --- a/src/core/ext/client_config/client_config_plugin.c +++ b/src/core/ext/client_config/client_config_plugin.c @@ -43,10 +43,6 @@ #include "src/core/ext/client_config/subchannel_index.h" #include "src/core/lib/surface/channel_init.h" -#ifndef GRPC_DEFAULT_NAME_PREFIX -#define GRPC_DEFAULT_NAME_PREFIX "dns:///" -#endif - static bool append_filter(grpc_channel_stack_builder *builder, void *arg) { return grpc_channel_stack_builder_append_filter( builder, (const grpc_channel_filter *)arg, NULL, NULL); @@ -79,7 +75,7 @@ static bool set_default_host_if_unset(grpc_channel_stack_builder *builder, void grpc_client_config_init(void) { grpc_lb_policy_registry_init(); - grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX); + grpc_resolver_registry_init(); grpc_subchannel_index_init(); grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MIN, set_default_host_if_unset, NULL); diff --git a/src/core/ext/client_config/lb_policy.c b/src/core/ext/client_config/lb_policy.c index 903563ef6b..46391272a6 100644 --- a/src/core/ext/client_config/lb_policy.c +++ b/src/core/ext/client_config/lb_policy.c @@ -108,16 +108,18 @@ int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, } void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, - grpc_connected_subchannel **target) { - policy->vtable->cancel_pick(exec_ctx, policy, target); + grpc_connected_subchannel **target, + grpc_error *error) { + policy->vtable->cancel_pick(exec_ctx, policy, target, error); } void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq) { + uint32_t initial_metadata_flags_eq, + grpc_error *error) { policy->vtable->cancel_picks(exec_ctx, policy, initial_metadata_flags_mask, - initial_metadata_flags_eq); + initial_metadata_flags_eq, error); } void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) { diff --git a/src/core/ext/client_config/lb_policy.h b/src/core/ext/client_config/lb_policy.h index 37c93d707c..7fb3e08cb3 100644 --- a/src/core/ext/client_config/lb_policy.h +++ b/src/core/ext/client_config/lb_policy.h @@ -77,12 +77,12 @@ struct grpc_lb_policy_vtable { /** \see grpc_lb_policy_cancel_pick */ void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, - grpc_connected_subchannel **target); + grpc_connected_subchannel **target, grpc_error *error); /** \see grpc_lb_policy_cancel_picks */ void (*cancel_picks)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq); + uint32_t initial_metadata_flags_eq, grpc_error *error); /** \see grpc_lb_policy_ping_one */ void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, @@ -161,7 +161,8 @@ void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, The \a on_complete callback of the pending picks will be invoked with \a *target set to NULL. */ void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, - grpc_connected_subchannel **target); + grpc_connected_subchannel **target, + grpc_error *error); /** Cancel all pending picks for which their \a initial_metadata_flags (as given in the call to \a grpc_lb_policy_pick) matches \a initial_metadata_flags_eq @@ -169,7 +170,8 @@ void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq); + uint32_t initial_metadata_flags_eq, + grpc_error *error); /** Try to enter a READY connectivity state */ void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy); diff --git a/src/core/ext/client_config/resolver_registry.c b/src/core/ext/client_config/resolver_registry.c index b5308a140c..bd5c683878 100644 --- a/src/core/ext/client_config/resolver_registry.c +++ b/src/core/ext/client_config/resolver_registry.c @@ -40,22 +40,20 @@ #include <grpc/support/string_util.h> #define MAX_RESOLVERS 10 +#define DEFAULT_RESOLVER_PREFIX_MAX_LENGTH 32 static grpc_resolver_factory *g_all_of_the_resolvers[MAX_RESOLVERS]; static int g_number_of_resolvers = 0; -static char *g_default_resolver_prefix; +static char g_default_resolver_prefix[DEFAULT_RESOLVER_PREFIX_MAX_LENGTH] = + "dns:///"; -void grpc_resolver_registry_init(const char *default_resolver_prefix) { - g_default_resolver_prefix = gpr_strdup(default_resolver_prefix); -} +void grpc_resolver_registry_init() {} void grpc_resolver_registry_shutdown(void) { - int i; - for (i = 0; i < g_number_of_resolvers; i++) { + for (int i = 0; i < g_number_of_resolvers; i++) { grpc_resolver_factory_unref(g_all_of_the_resolvers[i]); } - gpr_free(g_default_resolver_prefix); // FIXME(ctiller): this should live in grpc_resolver_registry_init, // however that would have the client_config plugin call this AFTER we start // registering resolvers from third party plugins, and so they'd never show @@ -65,6 +63,17 @@ void grpc_resolver_registry_shutdown(void) { g_number_of_resolvers = 0; } +void grpc_resolver_registry_set_default_prefix( + const char *default_resolver_prefix) { + const size_t len = strlen(default_resolver_prefix); + GPR_ASSERT(len < DEFAULT_RESOLVER_PREFIX_MAX_LENGTH && + "default resolver prefix too long"); + GPR_ASSERT(len > 0 && "default resolver prefix can't be empty"); + // By the previous assert, default_resolver_prefix is safe to be copied with a + // plain strcpy. + strcpy(g_default_resolver_prefix, default_resolver_prefix); +} + void grpc_register_resolver_type(grpc_resolver_factory *factory) { int i; for (i = 0; i < g_number_of_resolvers; i++) { @@ -108,22 +117,16 @@ static grpc_resolver_factory *resolve_factory(const char *target, *uri = grpc_uri_parse(target, 1); factory = lookup_factory_by_uri(*uri); if (factory == NULL) { - if (g_default_resolver_prefix != NULL) { - grpc_uri_destroy(*uri); - gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target); - *uri = grpc_uri_parse(tmp, 1); - factory = lookup_factory_by_uri(*uri); - if (factory == NULL) { - grpc_uri_destroy(grpc_uri_parse(target, 0)); - grpc_uri_destroy(grpc_uri_parse(tmp, 0)); - gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target, - tmp); - } - gpr_free(tmp); - } else { + grpc_uri_destroy(*uri); + gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target); + *uri = grpc_uri_parse(tmp, 1); + factory = lookup_factory_by_uri(*uri); + if (factory == NULL) { grpc_uri_destroy(grpc_uri_parse(target, 0)); - gpr_log(GPR_ERROR, "don't know how to resolve '%s'", target); + grpc_uri_destroy(grpc_uri_parse(tmp, 0)); + gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target, tmp); } + gpr_free(tmp); } return factory; } diff --git a/src/core/ext/client_config/resolver_registry.h b/src/core/ext/client_config/resolver_registry.h index 92e248d548..4c6279b978 100644 --- a/src/core/ext/client_config/resolver_registry.h +++ b/src/core/ext/client_config/resolver_registry.h @@ -36,9 +36,12 @@ #include "src/core/ext/client_config/resolver_factory.h" -void grpc_resolver_registry_init(const char *default_prefix); +void grpc_resolver_registry_init(); void grpc_resolver_registry_shutdown(void); +/** Set the default URI prefix to \a default_prefix. */ +void grpc_resolver_registry_set_default_prefix(const char *default_prefix); + /** Register a resolver type. URI's of \a scheme will be resolved with the given resolver. If \a priority is greater than zero, then the resolver will be eligible diff --git a/src/core/ext/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c index 1141844634..0bbaa3e382 100644 --- a/src/core/ext/client_config/subchannel.c +++ b/src/core/ext/client_config/subchannel.c @@ -220,8 +220,8 @@ static gpr_atm ref_mutate(grpc_subchannel *c, gpr_atm delta, : gpr_atm_no_barrier_fetch_add(&c->ref_pair, delta); #ifdef GRPC_STREAM_REFCOUNT_DEBUG gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, - "SUBCHANNEL: %p % 12s 0x%08x -> 0x%08x [%s]", c, purpose, old_val, - old_val + delta, reason); + "SUBCHANNEL: %p %12s 0x%08d -> 0x%08d [%s]", c, purpose, (int)old_val, + (int)(old_val + delta), reason); #endif return old_val; } @@ -332,36 +332,40 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, grpc_closure_init(&c->connected, subchannel_connected, c); grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE, "subchannel"); - gpr_backoff_init(&c->backoff_state, - GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER, - GRPC_SUBCHANNEL_RECONNECT_JITTER, - GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000, - GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000); + int initial_backoff_ms = + GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000; + int max_backoff_ms = GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000; + bool fixed_reconnect_backoff = false; if (c->args) { for (size_t i = 0; i < c->args->num_args; i++) { if (0 == strcmp(c->args->args[i].key, "grpc.testing.fixed_reconnect_backoff")) { GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER); - gpr_backoff_init(&c->backoff_state, 1.0, 0.0, - c->args->args[i].value.integer, - c->args->args[i].value.integer); - } - if (0 == - strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) { - const grpc_integer_options options = {-1, 0, INT_MAX}; - const int value = - grpc_channel_arg_get_integer(&c->args->args[i], options); - if (value >= 0) { - gpr_backoff_init( - &c->backoff_state, GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER, - GRPC_SUBCHANNEL_RECONNECT_JITTER, - GPR_MIN(value, - GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000), - value); - } + fixed_reconnect_backoff = true; + initial_backoff_ms = max_backoff_ms = grpc_channel_arg_get_integer( + &c->args->args[i], + (grpc_integer_options){initial_backoff_ms, 100, INT_MAX}); + } 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( + &c->args->args[i], + (grpc_integer_options){max_backoff_ms, 100, INT_MAX}); + } else if (0 == strcmp(c->args->args[i].key, + GRPC_ARG_INITIAL_RECONNECT_BACKOFF_MS)) { + fixed_reconnect_backoff = false; + initial_backoff_ms = grpc_channel_arg_get_integer( + &c->args->args[i], + (grpc_integer_options){initial_backoff_ms, 100, INT_MAX}); } } } + gpr_backoff_init( + &c->backoff_state, + fixed_reconnect_backoff ? 1.0 + : GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER, + fixed_reconnect_backoff ? 0.0 : GRPC_SUBCHANNEL_RECONNECT_JITTER, + initial_backoff_ms, max_backoff_ms); gpr_mu_init(&c->mu); return grpc_subchannel_index_register(exec_ctx, key, c); @@ -629,7 +633,9 @@ static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg, c->have_alarm = 1; grpc_connectivity_state_set( exec_ctx, &c->state_tracker, GRPC_CHANNEL_TRANSIENT_FAILURE, - GRPC_ERROR_CREATE_REFERENCING("Connect Failed", &error, 1), + grpc_error_set_int( + GRPC_ERROR_CREATE_REFERENCING("Connect Failed", &error, 1), + GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_UNAVAILABLE), "connect_failed"); gpr_timespec time_til_next = gpr_time_sub(c->next_attempt, now); const char *errmsg = grpc_error_string(error); @@ -698,14 +704,15 @@ grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel( grpc_error *grpc_connected_subchannel_create_call( grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con, - grpc_polling_entity *pollent, grpc_subchannel_call **call) { + grpc_polling_entity *pollent, gpr_timespec deadline, + grpc_subchannel_call **call) { grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con); *call = gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size); grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(*call); (*call)->connection = con; // Ref is added below. grpc_error *error = grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, *call, - NULL, NULL, callstk); + NULL, NULL, deadline, callstk); if (error != GRPC_ERROR_NONE) { const char *error_string = grpc_error_string(error); gpr_log(GPR_ERROR, "error: %s", error_string); diff --git a/src/core/ext/client_config/subchannel.h b/src/core/ext/client_config/subchannel.h index 218bb43e0a..3330621071 100644 --- a/src/core/ext/client_config/subchannel.h +++ b/src/core/ext/client_config/subchannel.h @@ -110,7 +110,8 @@ void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx, /** construct a subchannel call */ grpc_error *grpc_connected_subchannel_create_call( grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *connected_subchannel, - grpc_polling_entity *pollent, grpc_subchannel_call **subchannel_call); + grpc_polling_entity *pollent, gpr_timespec deadline, + grpc_subchannel_call **subchannel_call); /** process a transport level op */ void grpc_connected_subchannel_process_transport_op( diff --git a/src/core/ext/client_config/subchannel_factory.c b/src/core/ext/client_config/subchannel_factory.c deleted file mode 100644 index d1e4d75a02..0000000000 --- a/src/core/ext/client_config/subchannel_factory.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "src/core/ext/client_config/subchannel_factory.h" - -void grpc_subchannel_factory_ref(grpc_subchannel_factory* factory) { - factory->vtable->ref(factory); -} - -void grpc_subchannel_factory_unref(grpc_exec_ctx* exec_ctx, - grpc_subchannel_factory* factory) { - factory->vtable->unref(exec_ctx, factory); -} - -grpc_subchannel* grpc_subchannel_factory_create_subchannel( - grpc_exec_ctx* exec_ctx, grpc_subchannel_factory* factory, - grpc_subchannel_args* args) { - return factory->vtable->create_subchannel(exec_ctx, factory, args); -} diff --git a/src/core/ext/client_config/subchannel_factory.h b/src/core/ext/client_config/subchannel_factory.h deleted file mode 100644 index 0fb806d081..0000000000 --- a/src/core/ext/client_config/subchannel_factory.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H -#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H - -#include "src/core/ext/client_config/subchannel.h" -#include "src/core/lib/channel/channel_stack.h" - -typedef struct grpc_subchannel_factory grpc_subchannel_factory; -typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable; - -/** Constructor for new configured channels. - Creating decorators around this type is encouraged to adapt behavior. */ -struct grpc_subchannel_factory { - const grpc_subchannel_factory_vtable *vtable; -}; - -struct grpc_subchannel_factory_vtable { - void (*ref)(grpc_subchannel_factory *factory); - void (*unref)(grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory); - grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx, - grpc_subchannel_factory *factory, - grpc_subchannel_args *args); -}; - -void grpc_subchannel_factory_ref(grpc_subchannel_factory *factory); -void grpc_subchannel_factory_unref(grpc_exec_ctx *exec_ctx, - grpc_subchannel_factory *factory); - -/** Create a new grpc_subchannel */ -grpc_subchannel *grpc_subchannel_factory_create_subchannel( - grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory, - grpc_subchannel_args *args); - -#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */ diff --git a/src/core/ext/lb_policy/grpclb/grpclb.c b/src/core/ext/lb_policy/grpclb/grpclb.c index 1c37e574a3..bdfe65a62a 100644 --- a/src/core/ext/lb_policy/grpclb/grpclb.c +++ b/src/core/ext/lb_policy/grpclb/grpclb.c @@ -688,7 +688,8 @@ static void glb_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { } static void glb_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, - grpc_connected_subchannel **target) { + grpc_connected_subchannel **target, + grpc_error *error) { glb_lb_policy *glb_policy = (glb_lb_policy *)pol; gpr_mu_lock(&glb_policy->mu); pending_pick *pp = glb_policy->pending_picks; @@ -699,8 +700,10 @@ static void glb_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_polling_entity_del_from_pollset_set( exec_ctx, pp->pollent, glb_policy->base.interested_parties); *target = NULL; - grpc_exec_ctx_sched(exec_ctx, &pp->wrapped_on_complete, - GRPC_ERROR_CANCELLED, NULL); + grpc_exec_ctx_sched( + exec_ctx, &pp->wrapped_on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + gpr_free(pp); } else { pp->next = glb_policy->pending_picks; glb_policy->pending_picks = pp; @@ -708,12 +711,14 @@ static void glb_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&glb_policy->mu); + GRPC_ERROR_UNREF(error); } static grpc_call *lb_client_data_get_call(struct lb_client_data *lb_client); static void glb_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq) { + uint32_t initial_metadata_flags_eq, + grpc_error *error) { glb_lb_policy *glb_policy = (glb_lb_policy *)pol; gpr_mu_lock(&glb_policy->mu); if (glb_policy->lb_client != NULL) { @@ -728,8 +733,10 @@ static void glb_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, initial_metadata_flags_eq) { grpc_polling_entity_del_from_pollset_set( exec_ctx, pp->pollent, glb_policy->base.interested_parties); - grpc_exec_ctx_sched(exec_ctx, &pp->wrapped_on_complete, - GRPC_ERROR_CANCELLED, NULL); + grpc_exec_ctx_sched( + exec_ctx, &pp->wrapped_on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); + gpr_free(pp); } else { pp->next = glb_policy->pending_picks; glb_policy->pending_picks = pp; @@ -737,6 +744,7 @@ static void glb_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&glb_policy->mu); + GRPC_ERROR_UNREF(error); } static void query_for_backends(grpc_exec_ctx *exec_ctx, @@ -929,10 +937,8 @@ static lb_client_data *lb_client_data_create(glb_lb_policy *glb_policy) { grpc_closure_init(&lb_client->close_sent, close_sent_cb, lb_client); grpc_closure_init(&lb_client->srv_status_rcvd, srv_status_rcvd_cb, lb_client); - /* TODO(dgq): get the deadline from the client config instead of fabricating - * one here. */ - lb_client->deadline = gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), - gpr_time_from_seconds(3, GPR_TIMESPAN)); + /* TODO(dgq): get the deadline from the parent channel. */ + lb_client->deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); /* Note the following LB call progresses every time there's activity in \a * glb_policy->base.interested_parties, which is comprised of the polling diff --git a/src/core/ext/lb_policy/pick_first/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c index 466a0fdede..961a0c9b19 100644 --- a/src/core/ext/lb_policy/pick_first/pick_first.c +++ b/src/core/ext/lb_policy/pick_first/pick_first.c @@ -128,7 +128,8 @@ static void pf_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { } static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, - grpc_connected_subchannel **target) { + grpc_connected_subchannel **target, + grpc_error *error) { pick_first_lb_policy *p = (pick_first_lb_policy *)pol; pending_pick *pp; gpr_mu_lock(&p->mu); @@ -140,8 +141,9 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_polling_entity_del_from_pollset_set(exec_ctx, pp->pollent, p->base.interested_parties); *target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE("Pick Cancelled"), NULL); + grpc_exec_ctx_sched( + exec_ctx, pp->on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -150,11 +152,13 @@ static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&p->mu); + GRPC_ERROR_UNREF(error); } static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq) { + uint32_t initial_metadata_flags_eq, + grpc_error *error) { pick_first_lb_policy *p = (pick_first_lb_policy *)pol; pending_pick *pp; gpr_mu_lock(&p->mu); @@ -166,8 +170,9 @@ static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, initial_metadata_flags_eq) { grpc_polling_entity_del_from_pollset_set(exec_ctx, pp->pollent, p->base.interested_parties); - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, - GRPC_ERROR_CREATE("Pick Cancelled"), NULL); + grpc_exec_ctx_sched( + exec_ctx, pp->on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick Cancelled", &error, 1), NULL); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -176,6 +181,7 @@ static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&p->mu); + GRPC_ERROR_UNREF(error); } static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) { @@ -466,6 +472,8 @@ static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, } memset(&sc_args, 0, sizeof(grpc_subchannel_args)); + /* server_name will be copied as part of the subchannel creation. This makes + * the copying of args->server_name (a borrowed pointer) OK. */ sc_args.server_name = args->server_name; sc_args.addr = (struct sockaddr *)(&args->addresses->addresses[i].address.addr); diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c index 037f180a9e..930fa86aca 100644 --- a/src/core/ext/lb_policy/round_robin/round_robin.c +++ b/src/core/ext/lb_policy/round_robin/round_robin.c @@ -308,7 +308,8 @@ static void rr_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) { } static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, - grpc_connected_subchannel **target) { + grpc_connected_subchannel **target, + grpc_error *error) { round_robin_lb_policy *p = (round_robin_lb_policy *)pol; pending_pick *pp; gpr_mu_lock(&p->mu); @@ -320,8 +321,9 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_polling_entity_del_from_pollset_set(exec_ctx, pp->pollent, p->base.interested_parties); *target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_CANCELLED, - NULL); + grpc_exec_ctx_sched( + exec_ctx, pp->on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -330,11 +332,13 @@ static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&p->mu); + GRPC_ERROR_UNREF(error); } static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, uint32_t initial_metadata_flags_mask, - uint32_t initial_metadata_flags_eq) { + uint32_t initial_metadata_flags_eq, + grpc_error *error) { round_robin_lb_policy *p = (round_robin_lb_policy *)pol; pending_pick *pp; gpr_mu_lock(&p->mu); @@ -347,8 +351,9 @@ static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_polling_entity_del_from_pollset_set(exec_ctx, pp->pollent, p->base.interested_parties); *pp->target = NULL; - grpc_exec_ctx_sched(exec_ctx, pp->on_complete, GRPC_ERROR_CANCELLED, - NULL); + grpc_exec_ctx_sched( + exec_ctx, pp->on_complete, + GRPC_ERROR_CREATE_REFERENCING("Pick cancelled", &error, 1), NULL); gpr_free(pp); } else { pp->next = p->pending_picks; @@ -357,6 +362,7 @@ static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, pp = next; } gpr_mu_unlock(&p->mu); + GRPC_ERROR_UNREF(error); } static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) { @@ -629,6 +635,8 @@ static grpc_lb_policy *round_robin_create(grpc_exec_ctx *exec_ctx, if (args->addresses->addresses[i].is_balancer) continue; memset(&sc_args, 0, sizeof(grpc_subchannel_args)); + /* server_name will be copied as part of the subchannel creation. This makes + * the copying of args->server_name (a borrowed pointer) OK. */ sc_args.server_name = args->server_name; sc_args.addr = (struct sockaddr *)(&args->addresses->addresses[i].address.addr); diff --git a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c index 94366458f4..f232e0460b 100644 --- a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c +++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c @@ -222,7 +222,7 @@ static grpc_resolver *sockaddr_create( if (errors_found) break; } - r->target_name = gpr_dump_slice(path_slice, GPR_DUMP_ASCII); + r->target_name = gpr_strdup(args->uri->path); gpr_slice_buffer_destroy(&path_parts); gpr_slice_unref(path_slice); if (errors_found) { diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c index 4350543c27..9af17fb5ae 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c @@ -50,10 +50,10 @@ #include "src/core/lib/surface/server.h" void grpc_server_add_insecure_channel_from_fd(grpc_server *server, - grpc_completion_queue *cq, - int fd) { - grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + void *reserved, int fd) { + GPR_ASSERT(reserved == NULL); + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; char *name; gpr_asprintf(&name, "fd:%d", fd); @@ -65,7 +65,15 @@ void grpc_server_add_insecure_channel_from_fd(grpc_server *server, const grpc_channel_args *server_args = grpc_server_get_channel_args(server); grpc_transport *transport = grpc_create_chttp2_transport( &exec_ctx, server_args, server_endpoint, 0 /* is_client */); - grpc_endpoint_add_to_pollset(&exec_ctx, server_endpoint, grpc_cq_pollset(cq)); + + grpc_pollset **pollsets; + size_t num_pollsets = 0; + grpc_server_get_pollsets(server, &pollsets, &num_pollsets); + + for (size_t i = 0; i < num_pollsets; i++) { + grpc_endpoint_add_to_pollset(&exec_ctx, server_endpoint, pollsets[i]); + } + grpc_server_setup_transport(&exec_ctx, server, transport, NULL, server_args); grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL); grpc_exec_ctx_finish(&exec_ctx); @@ -74,8 +82,7 @@ void grpc_server_add_insecure_channel_from_fd(grpc_server *server, #else // !GPR_SUPPORT_CHANNELS_FROM_FD void grpc_server_add_insecure_channel_from_fd(grpc_server *server, - grpc_completion_queue *cq, - int fd) { + void *reserved, int fd) { GPR_ASSERT(0); } diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c index 0655b9353f..57d34d9e9a 100644 --- a/src/core/lib/channel/channel_stack.c +++ b/src/core/lib/channel/channel_stack.c @@ -158,13 +158,11 @@ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx, } } -grpc_error *grpc_call_stack_init(grpc_exec_ctx *exec_ctx, - grpc_channel_stack *channel_stack, - int initial_refs, grpc_iomgr_cb_func destroy, - void *destroy_arg, - grpc_call_context_element *context, - const void *transport_server_data, - grpc_call_stack *call_stack) { +grpc_error *grpc_call_stack_init( + grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack, + int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg, + grpc_call_context_element *context, const void *transport_server_data, + gpr_timespec deadline, grpc_call_stack *call_stack) { grpc_channel_element *channel_elems = CHANNEL_ELEMS_FROM_STACK(channel_stack); grpc_call_element_args args; size_t count = channel_stack->count; @@ -185,6 +183,7 @@ grpc_error *grpc_call_stack_init(grpc_exec_ctx *exec_ctx, args.call_stack = call_stack; args.server_transport_data = transport_server_data; args.context = context; + args.deadline = deadline; call_elems[i].filter = channel_elems[i].filter; call_elems[i].channel_data = channel_elems[i].channel_data; call_elems[i].call_data = user_data; @@ -276,16 +275,16 @@ static void destroy_op(grpc_exec_ctx *exec_ctx, void *op, grpc_error *error) { } void grpc_call_element_send_cancel(grpc_exec_ctx *exec_ctx, - grpc_call_element *cur_elem) { + grpc_call_element *elem) { grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); memset(op, 0, sizeof(*op)); op->cancel_error = GRPC_ERROR_CANCELLED; op->on_complete = grpc_closure_create(destroy_op, op); - grpc_call_next_op(exec_ctx, cur_elem, op); + elem->filter->start_transport_stream_op(exec_ctx, elem, op); } void grpc_call_element_send_cancel_with_message(grpc_exec_ctx *exec_ctx, - grpc_call_element *cur_elem, + grpc_call_element *elem, grpc_status_code status, gpr_slice *optional_message) { grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); @@ -293,5 +292,16 @@ void grpc_call_element_send_cancel_with_message(grpc_exec_ctx *exec_ctx, op->on_complete = grpc_closure_create(destroy_op, op); grpc_transport_stream_op_add_cancellation_with_message(op, status, optional_message); - grpc_call_next_op(exec_ctx, cur_elem, op); + elem->filter->start_transport_stream_op(exec_ctx, elem, op); +} + +void grpc_call_element_send_close_with_message(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_status_code status, + gpr_slice *optional_message) { + grpc_transport_stream_op *op = gpr_malloc(sizeof(*op)); + memset(op, 0, sizeof(*op)); + op->on_complete = grpc_closure_create(destroy_op, op); + grpc_transport_stream_op_add_close(op, status, optional_message); + elem->filter->start_transport_stream_op(exec_ctx, elem, op); } diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h index 6b73cce380..1cfe2885d8 100644 --- a/src/core/lib/channel/channel_stack.h +++ b/src/core/lib/channel/channel_stack.h @@ -74,6 +74,7 @@ typedef struct { grpc_call_stack *call_stack; const void *server_transport_data; grpc_call_context_element *context; + gpr_timespec deadline; } grpc_call_element_args; typedef struct { @@ -220,13 +221,11 @@ void grpc_channel_stack_destroy(grpc_exec_ctx *exec_ctx, /* Initialize a call stack given a channel stack. transport_server_data is expected to be NULL on a client, or an opaque transport owned pointer on the server. */ -grpc_error *grpc_call_stack_init(grpc_exec_ctx *exec_ctx, - grpc_channel_stack *channel_stack, - int initial_refs, grpc_iomgr_cb_func destroy, - void *destroy_arg, - grpc_call_context_element *context, - const void *transport_server_data, - grpc_call_stack *call_stack); +grpc_error *grpc_call_stack_init( + grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack, + int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg, + grpc_call_context_element *context, const void *transport_server_data, + gpr_timespec deadline, grpc_call_stack *call_stack); /* Set a pollset or a pollset_set for a call stack: must occur before the first * op is started */ void grpc_call_stack_set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx, @@ -290,6 +289,11 @@ void grpc_call_element_send_cancel_with_message(grpc_exec_ctx *exec_ctx, grpc_status_code status, gpr_slice *optional_message); +void grpc_call_element_send_close_with_message(grpc_exec_ctx *exec_ctx, + grpc_call_element *cur_elem, + grpc_status_code status, + gpr_slice *optional_message); + extern int grpc_trace_channel; #define GRPC_CALL_LOG_OP(sev, elem, op) \ diff --git a/src/core/lib/channel/deadline_filter.c b/src/core/lib/channel/deadline_filter.c new file mode 100644 index 0000000000..079b98a2f8 --- /dev/null +++ b/src/core/lib/channel/deadline_filter.c @@ -0,0 +1,302 @@ +// +// Copyright 2016, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +#include "src/core/lib/channel/deadline_filter.h" + +#include <stdbool.h> +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/sync.h> +#include <grpc/support/time.h> + +#include "src/core/lib/iomgr/exec_ctx.h" +#include "src/core/lib/iomgr/timer.h" + +// +// grpc_deadline_state +// + +// Timer callback. +static void timer_callback(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + grpc_call_element* elem = arg; + grpc_deadline_state* deadline_state = elem->call_data; + gpr_mu_lock(&deadline_state->timer_mu); + deadline_state->timer_pending = false; + gpr_mu_unlock(&deadline_state->timer_mu); + if (error != GRPC_ERROR_CANCELLED) { + gpr_slice msg = gpr_slice_from_static_string("Deadline Exceeded"); + grpc_call_element_send_cancel_with_message( + exec_ctx, elem, GRPC_STATUS_DEADLINE_EXCEEDED, &msg); + gpr_slice_unref(msg); + } + GRPC_CALL_STACK_UNREF(exec_ctx, deadline_state->call_stack, "deadline_timer"); +} + +// Starts the deadline timer. +static void start_timer_if_needed(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem, + gpr_timespec deadline) { + grpc_deadline_state* deadline_state = elem->call_data; + deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC); + if (gpr_time_cmp(deadline, gpr_inf_future(GPR_CLOCK_MONOTONIC)) != 0) { + // Take a reference to the call stack, to be owned by the timer. + GRPC_CALL_STACK_REF(deadline_state->call_stack, "deadline_timer"); + gpr_mu_lock(&deadline_state->timer_mu); + deadline_state->timer_pending = true; + grpc_timer_init(exec_ctx, &deadline_state->timer, deadline, timer_callback, + elem, gpr_now(GPR_CLOCK_MONOTONIC)); + gpr_mu_unlock(&deadline_state->timer_mu); + } +} + +// Cancels the deadline timer. +static void cancel_timer_if_needed(grpc_exec_ctx* exec_ctx, + grpc_deadline_state* deadline_state) { + gpr_mu_lock(&deadline_state->timer_mu); + if (deadline_state->timer_pending) { + grpc_timer_cancel(exec_ctx, &deadline_state->timer); + deadline_state->timer_pending = false; + } + gpr_mu_unlock(&deadline_state->timer_mu); +} + +// Callback run when the call is complete. +static void on_complete(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { + grpc_deadline_state* deadline_state = arg; + cancel_timer_if_needed(exec_ctx, deadline_state); + // Invoke the next callback. + deadline_state->next_on_complete->cb( + exec_ctx, deadline_state->next_on_complete->cb_arg, error); +} + +// Inject our own on_complete callback into op. +static void inject_on_complete_cb(grpc_deadline_state* deadline_state, + grpc_transport_stream_op* op) { + deadline_state->next_on_complete = op->on_complete; + grpc_closure_init(&deadline_state->on_complete, on_complete, deadline_state); + op->on_complete = &deadline_state->on_complete; +} + +// Callback and associated state for starting the timer after call stack +// initialization has been completed. +struct start_timer_after_init_state { + grpc_call_element* elem; + gpr_timespec deadline; + grpc_closure closure; +}; +static void start_timer_after_init(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + struct start_timer_after_init_state* state = arg; + start_timer_if_needed(exec_ctx, state->elem, state->deadline); + gpr_free(state); +} + +void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_call_element_args* args) { + grpc_deadline_state* deadline_state = elem->call_data; + memset(deadline_state, 0, sizeof(*deadline_state)); + deadline_state->call_stack = args->call_stack; + gpr_mu_init(&deadline_state->timer_mu); + // Deadline will always be infinite on servers, so the timer will only be + // set on clients with a finite deadline. + const gpr_timespec deadline = + gpr_convert_clock_type(args->deadline, GPR_CLOCK_MONOTONIC); + if (gpr_time_cmp(deadline, gpr_inf_future(GPR_CLOCK_MONOTONIC)) != 0) { + // When the deadline passes, we indicate the failure by sending down + // an op with cancel_error set. However, we can't send down any ops + // until after the call stack is fully initialized. If we start the + // timer here, we have no guarantee that the timer won't pop before + // call stack initialization is finished. To avoid that problem, we + // create a closure to start the timer, and we schedule that closure + // to be run after call stack initialization is done. + struct start_timer_after_init_state* state = gpr_malloc(sizeof(*state)); + state->elem = elem; + state->deadline = deadline; + grpc_closure_init(&state->closure, start_timer_after_init, state); + grpc_exec_ctx_sched(exec_ctx, &state->closure, GRPC_ERROR_NONE, NULL); + } +} + +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); + gpr_mu_destroy(&deadline_state->timer_mu); +} + +void grpc_deadline_state_client_start_transport_stream_op( + grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_transport_stream_op* op) { + grpc_deadline_state* deadline_state = elem->call_data; + if (op->cancel_error != GRPC_ERROR_NONE || + op->close_error != GRPC_ERROR_NONE) { + cancel_timer_if_needed(exec_ctx, deadline_state); + } else { + // Make sure we know when the call is complete, so that we can cancel + // the timer. + if (op->recv_trailing_metadata != NULL) { + inject_on_complete_cb(deadline_state, op); + } + } +} + +// +// filter code +// + +// Constructor for channel_data. Used for both client and server filters. +static void init_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem, + grpc_channel_element_args* args) { + GPR_ASSERT(!args->is_last); +} + +// Destructor for channel_data. Used for both client and server filters. +static void destroy_channel_elem(grpc_exec_ctx* exec_ctx, + grpc_channel_element* elem) {} + +// Call data used for both client and server filter. +typedef struct base_call_data { + grpc_deadline_state deadline_state; +} base_call_data; + +// Additional call data used only for the server filter. +typedef struct server_call_data { + base_call_data base; // Must be first. + // The closure for receiving initial metadata. + grpc_closure recv_initial_metadata_ready; + // Received initial metadata batch. + grpc_metadata_batch* recv_initial_metadata; + // The original recv_initial_metadata_ready closure, which we chain to + // after our own closure is invoked. + grpc_closure* next_recv_initial_metadata_ready; +} server_call_data; + +// Constructor for call_data. Used for both client and server filters. +static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem, + grpc_call_element_args* args) { + // Note: size of call data is different between client and server. + memset(elem->call_data, 0, elem->filter->sizeof_call_data); + grpc_deadline_state_init(exec_ctx, elem, args); + return GRPC_ERROR_NONE; +} + +// Destructor for call_data. Used for both client and server filters. +static void destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + const grpc_call_final_info* final_info, + void* and_free_memory) { + grpc_deadline_state_destroy(exec_ctx, elem); +} + +// Method for starting a call op for client filter. +static void client_start_transport_stream_op(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem, + grpc_transport_stream_op* op) { + grpc_deadline_state_client_start_transport_stream_op(exec_ctx, elem, op); + // Chain to next filter. + grpc_call_next_op(exec_ctx, elem, op); +} + +// Callback for receiving initial metadata on the server. +static void recv_initial_metadata_ready(grpc_exec_ctx* exec_ctx, void* arg, + grpc_error* error) { + grpc_call_element* elem = arg; + server_call_data* calld = elem->call_data; + // Get deadline from metadata and start the timer if needed. + start_timer_if_needed(exec_ctx, elem, calld->recv_initial_metadata->deadline); + // Invoke the next callback. + calld->next_recv_initial_metadata_ready->cb( + exec_ctx, calld->next_recv_initial_metadata_ready->cb_arg, error); +} + +// Method for starting a call op for server filter. +static void server_start_transport_stream_op(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem, + grpc_transport_stream_op* op) { + server_call_data* calld = elem->call_data; + if (op->cancel_error != GRPC_ERROR_NONE || + op->close_error != GRPC_ERROR_NONE) { + cancel_timer_if_needed(exec_ctx, &calld->base.deadline_state); + } else { + // If we're receiving initial metadata, we need to get the deadline + // from the recv_initial_metadata_ready callback. So we inject our + // own callback into that hook. + if (op->recv_initial_metadata_ready != NULL) { + calld->next_recv_initial_metadata_ready = op->recv_initial_metadata_ready; + calld->recv_initial_metadata = op->recv_initial_metadata; + grpc_closure_init(&calld->recv_initial_metadata_ready, + recv_initial_metadata_ready, elem); + op->recv_initial_metadata_ready = &calld->recv_initial_metadata_ready; + } + // Make sure we know when the call is complete, so that we can cancel + // the timer. + // Note that we trigger this on recv_trailing_metadata, even though + // the client never sends trailing metadata, because this is the + // hook that tells us when the call is complete on the server side. + if (op->recv_trailing_metadata != NULL) { + inject_on_complete_cb(&calld->base.deadline_state, op); + } + } + // Chain to next filter. + grpc_call_next_op(exec_ctx, elem, op); +} + +const grpc_channel_filter grpc_client_deadline_filter = { + client_start_transport_stream_op, + grpc_channel_next_op, + sizeof(base_call_data), + init_call_elem, + grpc_call_stack_ignore_set_pollset_or_pollset_set, + destroy_call_elem, + 0, // sizeof(channel_data) + init_channel_elem, + destroy_channel_elem, + grpc_call_next_get_peer, + "deadline", +}; + +const grpc_channel_filter grpc_server_deadline_filter = { + server_start_transport_stream_op, + grpc_channel_next_op, + sizeof(server_call_data), + init_call_elem, + grpc_call_stack_ignore_set_pollset_or_pollset_set, + destroy_call_elem, + 0, // sizeof(channel_data) + init_channel_elem, + destroy_channel_elem, + grpc_call_next_get_peer, + "deadline", +}; diff --git a/src/core/lib/channel/deadline_filter.h b/src/core/lib/channel/deadline_filter.h new file mode 100644 index 0000000000..685df87761 --- /dev/null +++ b/src/core/lib/channel/deadline_filter.h @@ -0,0 +1,79 @@ +// +// Copyright 2016, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +#ifndef GRPC_CORE_LIB_CHANNEL_DEADLINE_FILTER_H +#define GRPC_CORE_LIB_CHANNEL_DEADLINE_FILTER_H + +#include "src/core/lib/channel/channel_stack.h" +#include "src/core/lib/iomgr/timer.h" + +// State used for filters that enforce call deadlines. +// Must be the first field in the filter's call_data. +typedef struct grpc_deadline_state { + // We take a reference to the call stack for the timer callback. + grpc_call_stack* call_stack; + // Guards access to timer_pending and timer. + gpr_mu timer_mu; + // True if the timer callback is currently pending. + bool timer_pending; + // The deadline timer. + grpc_timer timer; + // Closure to invoke when the call is complete. + // We use this to cancel the timer. + grpc_closure on_complete; + // The original on_complete closure, which we chain to after our own + // closure is invoked. + grpc_closure* next_on_complete; +} grpc_deadline_state; + +// To be used in a filter's init_call_elem(), destroy_call_elem(), and +// start_transport_stream_op() methods to enforce call deadlines. +// +// REQUIRES: The first field in elem->call_data is a grpc_deadline_state. +// +// For grpc_deadline_state_client_start_transport_stream_op(), it is the +// caller's responsibility to chain to the next filter if necessary +// after the function returns. +void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_call_element_args* args); +void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx, + grpc_call_element* elem); +void grpc_deadline_state_client_start_transport_stream_op( + grpc_exec_ctx* exec_ctx, grpc_call_element* elem, + grpc_transport_stream_op* op); + +// 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 */ diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c index edcc741ff6..1dc05fb20d 100644 --- a/src/core/lib/channel/http_client_filter.c +++ b/src/core/lib/channel/http_client_filter.c @@ -103,8 +103,8 @@ static grpc_mdelem *client_recv_filter(void *user_data, grpc_mdelem *md) { grpc_mdstr_as_c_string(md->value)); gpr_slice message = gpr_slice_from_copied_string(message_string); gpr_free(message_string); - grpc_call_element_send_cancel_with_message(a->exec_ctx, a->elem, - GRPC_STATUS_CANCELLED, &message); + grpc_call_element_send_close_with_message(a->exec_ctx, a->elem, + GRPC_STATUS_CANCELLED, &message); return NULL; } else if (md == GRPC_MDELEM_CONTENT_TYPE_APPLICATION_SLASH_GRPC) { return NULL; diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/lib/channel/message_size_filter.c index 6613785dea..02fc68fc3a 100644 --- a/src/core/lib/channel/message_size_filter.c +++ b/src/core/lib/channel/message_size_filter.c @@ -40,8 +40,9 @@ #include "src/core/lib/channel/channel_args.h" +#define DEFAULT_MAX_SEND_MESSAGE_LENGTH -1 // Unlimited. // The protobuf library will (by default) start warning at 100 megs. -#define DEFAULT_MAX_MESSAGE_LENGTH (4 * 1024 * 1024) +#define DEFAULT_MAX_RECV_MESSAGE_LENGTH (4 * 1024 * 1024) typedef struct call_data { // Receive closures are chained: we inject this closure as the @@ -55,8 +56,8 @@ typedef struct call_data { } call_data; typedef struct channel_data { - size_t max_send_size; - size_t max_recv_size; + int max_send_size; + int max_recv_size; } channel_data; // Callback invoked when we receive a message. Here we check the max @@ -66,15 +67,15 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, grpc_call_element* elem = user_data; call_data* calld = elem->call_data; channel_data* chand = elem->channel_data; - if (*calld->recv_message != NULL && - (*calld->recv_message)->length > chand->max_recv_size) { + if (*calld->recv_message != NULL && chand->max_recv_size >= 0 && + (*calld->recv_message)->length > (size_t)chand->max_recv_size) { char* message_string; - gpr_asprintf( - &message_string, "Received message larger than max (%u vs. %lu)", - (*calld->recv_message)->length, (unsigned long)chand->max_recv_size); + gpr_asprintf(&message_string, + "Received message larger than max (%u vs. %d)", + (*calld->recv_message)->length, chand->max_recv_size); gpr_slice message = gpr_slice_from_copied_string(message_string); gpr_free(message_string); - grpc_call_element_send_cancel_with_message( + grpc_call_element_send_close_with_message( exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT, &message); } // Invoke the next callback. @@ -88,14 +89,14 @@ static void start_transport_stream_op(grpc_exec_ctx* exec_ctx, call_data* calld = elem->call_data; channel_data* chand = elem->channel_data; // Check max send message size. - if (op->send_message != NULL && - op->send_message->length > chand->max_send_size) { + if (op->send_message != NULL && chand->max_send_size >= 0 && + op->send_message->length > (size_t)chand->max_send_size) { char* message_string; - gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %lu)", - op->send_message->length, (unsigned long)chand->max_send_size); + gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %d)", + op->send_message->length, chand->max_send_size); gpr_slice message = gpr_slice_from_copied_string(message_string); gpr_free(message_string); - grpc_call_element_send_cancel_with_message( + grpc_call_element_send_close_with_message( exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT, &message); } // Inject callback for receiving a message. @@ -130,19 +131,22 @@ static void init_channel_elem(grpc_exec_ctx* exec_ctx, GPR_ASSERT(!args->is_last); channel_data* chand = elem->channel_data; memset(chand, 0, sizeof(*chand)); - chand->max_send_size = DEFAULT_MAX_MESSAGE_LENGTH; - chand->max_recv_size = DEFAULT_MAX_MESSAGE_LENGTH; - const grpc_integer_options options = {DEFAULT_MAX_MESSAGE_LENGTH, 0, INT_MAX}; + chand->max_send_size = DEFAULT_MAX_SEND_MESSAGE_LENGTH; + chand->max_recv_size = 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) { - chand->max_send_size = (size_t)grpc_channel_arg_get_integer( - &args->channel_args->args[i], options); + const grpc_integer_options options = {DEFAULT_MAX_SEND_MESSAGE_LENGTH, 0, + 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) { - chand->max_recv_size = (size_t)grpc_channel_arg_get_integer( - &args->channel_args->args[i], options); + const grpc_integer_options options = {DEFAULT_MAX_RECV_MESSAGE_LENGTH, 0, + INT_MAX}; + chand->max_recv_size = + grpc_channel_arg_get_integer(&args->channel_args->args[i], options); } } } diff --git a/src/core/lib/iomgr/error.c b/src/core/lib/iomgr/error.c index e366961936..31c80260f8 100644 --- a/src/core/lib/iomgr/error.c +++ b/src/core/lib/iomgr/error.c @@ -324,6 +324,64 @@ const char *grpc_error_get_str(grpc_error *err, grpc_error_strs which) { return gpr_avl_get(err->strs, (void *)(uintptr_t)which); } +typedef struct { + grpc_error *error; + grpc_status_code code; + const char *msg; +} special_error_status_map; +static special_error_status_map error_status_map[] = { + {GRPC_ERROR_NONE, GRPC_STATUS_OK, ""}, + {GRPC_ERROR_CANCELLED, GRPC_STATUS_CANCELLED, "RPC cancelled"}, + {GRPC_ERROR_OOM, GRPC_STATUS_RESOURCE_EXHAUSTED, "Out of memory"}, +}; + +static grpc_error *recursively_find_error_with_status(grpc_error *error, + intptr_t *status) { + // If the error itself has a status code, return it. + if (grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, status)) { + return error; + } + // Otherwise, search through its children. + intptr_t key = 0; + while (true) { + grpc_error *child_error = gpr_avl_get(error->errs, (void *)key++); + if (child_error == NULL) break; + grpc_error *result = + recursively_find_error_with_status(child_error, status); + if (result != NULL) return result; + } + return NULL; +} + +void grpc_error_get_status(grpc_error *error, grpc_status_code *code, + const char **msg) { + // Handle special errors via the static map. + for (size_t i = 0; i < GPR_ARRAY_SIZE(error_status_map); ++i) { + if (error == error_status_map[i].error) { + *code = error_status_map[i].code; + *msg = error_status_map[i].msg; + return; + } + } + // Populate code. + // Start with the parent error and recurse through the tree of children + // until we find the first one that has a status code. + intptr_t status = GRPC_STATUS_UNKNOWN; // Default in case we don't find one. + grpc_error *found_error = recursively_find_error_with_status(error, &status); + *code = (grpc_status_code)status; + // Now populate msg. + // If we found an error with a status code above, use that; otherwise, + // fall back to using the parent error. + if (found_error == NULL) found_error = error; + // If the error has a status message, use it. Otherwise, fall back to + // the error description. + *msg = grpc_error_get_str(found_error, GRPC_ERROR_STR_GRPC_MESSAGE); + if (*msg == NULL) { + *msg = grpc_error_get_str(found_error, GRPC_ERROR_STR_DESCRIPTION); + if (*msg == NULL) *msg = "uknown error"; // Just in case. + } +} + grpc_error *grpc_error_add_child(grpc_error *src, grpc_error *child) { GPR_TIMER_BEGIN("grpc_error_add_child", 0); grpc_error *new = copy_error_and_unref(src); diff --git a/src/core/lib/iomgr/error.h b/src/core/lib/iomgr/error.h index 6c769accdb..7e2fd7a3bd 100644 --- a/src/core/lib/iomgr/error.h +++ b/src/core/lib/iomgr/error.h @@ -37,6 +37,7 @@ #include <stdbool.h> #include <stdint.h> +#include <grpc/status.h> #include <grpc/support/time.h> /// Opaque representation of an error. @@ -175,6 +176,13 @@ grpc_error *grpc_error_set_str(grpc_error *src, grpc_error_strs which, /// Returns NULL if the specified string is not set. /// Caller does NOT own return value. const char *grpc_error_get_str(grpc_error *error, grpc_error_strs which); + +/// A utility function to get the status code and message to be returned +/// to the application. If not set in the top-level message, looks +/// through child errors until it finds the first one with these attributes. +void grpc_error_get_status(grpc_error *error, grpc_status_code *code, + const char **msg); + /// Add a child error: an error that is believed to have contributed to this /// error occurring. Allows root causing high level errors from lower level /// errors that contributed to them. diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c index 740920d760..ab77ebc78b 100644 --- a/src/core/lib/iomgr/ev_epoll_linux.c +++ b/src/core/lib/iomgr/ev_epoll_linux.c @@ -1897,7 +1897,7 @@ const grpc_event_engine_vtable *grpc_init_epoll_linux(void) { } if (!is_grpc_wakeup_signal_initialized) { - grpc_use_signal(SIGRTMIN + 2); + grpc_use_signal(SIGRTMIN + 6); } fd_global_init(); diff --git a/src/core/lib/iomgr/tcp_client_posix.c b/src/core/lib/iomgr/tcp_client_posix.c index 80c7a3f128..3496b6094f 100644 --- a/src/core/lib/iomgr/tcp_client_posix.c +++ b/src/core/lib/iomgr/tcp_client_posix.c @@ -146,61 +146,57 @@ static void on_writable(grpc_exec_ctx *exec_ctx, void *acp, grpc_error *error) { grpc_timer_cancel(exec_ctx, &ac->alarm); gpr_mu_lock(&ac->mu); - if (error == GRPC_ERROR_NONE) { - do { - so_error_size = sizeof(so_error); - err = getsockopt(grpc_fd_wrapped_fd(fd), SOL_SOCKET, SO_ERROR, &so_error, - &so_error_size); - } while (err < 0 && errno == EINTR); - if (err < 0) { - error = GRPC_OS_ERROR(errno, "getsockopt"); - goto finish; - } else if (so_error != 0) { - if (so_error == ENOBUFS) { - /* We will get one of these errors if we have run out of - memory in the kernel for the data structures allocated - when you connect a socket. If this happens it is very - likely that if we wait a little bit then try again the - connection will work (since other programs or this - program will close their network connections and free up - memory). This does _not_ indicate that there is anything - wrong with the server we are connecting to, this is a - local problem. - - If you are looking at this code, then chances are that - your program or another program on the same computer - opened too many network connections. The "easy" fix: - don't do that! */ - gpr_log(GPR_ERROR, "kernel out of buffers"); - gpr_mu_unlock(&ac->mu); - grpc_fd_notify_on_write(exec_ctx, fd, &ac->write_closure); - return; - } else { - switch (so_error) { - case ECONNREFUSED: - error = grpc_error_set_int(error, GRPC_ERROR_INT_ERRNO, errno); - error = grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, - "Connection refused"); - break; - default: - error = GRPC_OS_ERROR(errno, "getsockopt(SO_ERROR)"); - break; - } - goto finish; - } - } else { - grpc_pollset_set_del_fd(exec_ctx, ac->interested_parties, fd); - *ep = grpc_tcp_create(fd, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, ac->addr_str); - fd = NULL; - goto finish; - } - } else { + if (error != GRPC_ERROR_NONE) { error = grpc_error_set_str(error, GRPC_ERROR_STR_OS_ERROR, "Timeout occurred"); goto finish; } - GPR_UNREACHABLE_CODE(return ); + do { + so_error_size = sizeof(so_error); + err = getsockopt(grpc_fd_wrapped_fd(fd), SOL_SOCKET, SO_ERROR, &so_error, + &so_error_size); + } while (err < 0 && errno == EINTR); + if (err < 0) { + error = GRPC_OS_ERROR(errno, "getsockopt"); + goto finish; + } + + switch (so_error) { + case 0: + grpc_pollset_set_del_fd(exec_ctx, ac->interested_parties, fd); + *ep = grpc_tcp_create(fd, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, ac->addr_str); + fd = NULL; + break; + case ENOBUFS: + /* We will get one of these errors if we have run out of + memory in the kernel for the data structures allocated + when you connect a socket. If this happens it is very + likely that if we wait a little bit then try again the + connection will work (since other programs or this + program will close their network connections and free up + memory). This does _not_ indicate that there is anything + wrong with the server we are connecting to, this is a + local problem. + + If you are looking at this code, then chances are that + your program or another program on the same computer + opened too many network connections. The "easy" fix: + don't do that! */ + gpr_log(GPR_ERROR, "kernel out of buffers"); + gpr_mu_unlock(&ac->mu); + grpc_fd_notify_on_write(exec_ctx, fd, &ac->write_closure); + return; + case ECONNREFUSED: + /* This error shouldn't happen for anything other than connect(). */ + error = GRPC_OS_ERROR(so_error, "connect"); + break; + default: + /* We don't really know which syscall triggered the problem here, + so punt by reporting getsockopt(). */ + error = GRPC_OS_ERROR(so_error, "getsockopt(SO_ERROR)"); + break; + } finish: if (fd != NULL) { diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c index 35054c42b5..448a72671c 100644 --- a/src/core/lib/iomgr/tcp_windows.c +++ b/src/core/lib/iomgr/tcp_windows.c @@ -319,6 +319,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, ? GRPC_ERROR_NONE : GRPC_WSA_ERROR(info->wsa_error, "WSASend"); grpc_exec_ctx_sched(exec_ctx, cb, error, NULL); + if (allocated) gpr_free(allocated); return; } diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c index 979e0aeaea..5690bcab1e 100644 --- a/src/core/lib/surface/call.c +++ b/src/core/lib/surface/call.c @@ -126,8 +126,6 @@ struct grpc_call { /* client or server call */ bool is_client; - /* is the alarm set */ - bool have_alarm; /** has grpc_call_destroy been called */ bool destroy_called; /** flag indicating that cancellation is inherited */ @@ -170,9 +168,6 @@ struct grpc_call { /* Contexts for various subsystems (security, tracing, ...). */ grpc_call_context_element context[GRPC_CONTEXT_COUNT]; - /* Deadline alarm - if have_alarm is non-zero */ - grpc_timer alarm; - /* for the client, extra metadata is initial metadata; for the server, it's trailing metadata */ grpc_linked_mdelem send_extra_metadata[MAX_SEND_EXTRA_METADATA_COUNT]; @@ -215,8 +210,6 @@ struct grpc_call { #define CALL_FROM_TOP_ELEM(top_elem) \ CALL_FROM_CALL_STACK(grpc_call_stack_from_top_element(top_elem)) -static void set_deadline_alarm(grpc_exec_ctx *exec_ctx, grpc_call *call, - gpr_timespec deadline); static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call, grpc_transport_stream_op *op); static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c, @@ -264,39 +257,8 @@ grpc_call *grpc_call_create( call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); } } - call->send_deadline = - gpr_convert_clock_type(send_deadline, GPR_CLOCK_MONOTONIC); - GRPC_CHANNEL_INTERNAL_REF(channel, "call"); - /* initial refcount dropped by grpc_call_destroy */ - grpc_error *error = grpc_call_stack_init( - &exec_ctx, channel_stack, 1, destroy_call, call, call->context, - server_transport_data, CALL_STACK_FROM_CALL(call)); - if (error != GRPC_ERROR_NONE) { - intptr_t status; - if (!grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status)) - status = GRPC_STATUS_UNKNOWN; - const char *error_str = - grpc_error_get_str(error, GRPC_ERROR_STR_DESCRIPTION); - close_with_status(&exec_ctx, call, (grpc_status_code)status, - error_str == NULL ? "unknown error" : error_str); - GRPC_ERROR_UNREF(error); - } - if (cq != NULL) { - GPR_ASSERT( - pollset_set_alternative == NULL && - "Only one of 'cq' and 'pollset_set_alternative' should be non-NULL."); - GRPC_CQ_INTERNAL_REF(cq, "bind"); - call->pollent = - grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)); - } - if (pollset_set_alternative != NULL) { - call->pollent = - grpc_polling_entity_create_from_pollset_set(pollset_set_alternative); - } - if (!grpc_polling_entity_is_empty(&call->pollent)) { - grpc_call_stack_set_pollset_or_pollset_set( - &exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); - } + send_deadline = gpr_convert_clock_type(send_deadline, GPR_CLOCK_MONOTONIC); + if (parent_call != NULL) { GRPC_CALL_INTERNAL_REF(parent_call, "child"); GPR_ASSERT(call->is_client); @@ -338,10 +300,38 @@ grpc_call *grpc_call_create( gpr_mu_unlock(&parent_call->mu); } - if (gpr_time_cmp(send_deadline, gpr_inf_future(send_deadline.clock_type)) != - 0) { - set_deadline_alarm(&exec_ctx, call, send_deadline); + + call->send_deadline = send_deadline; + + GRPC_CHANNEL_INTERNAL_REF(channel, "call"); + /* initial refcount dropped by grpc_call_destroy */ + grpc_error *error = grpc_call_stack_init( + &exec_ctx, channel_stack, 1, destroy_call, call, call->context, + server_transport_data, send_deadline, CALL_STACK_FROM_CALL(call)); + if (error != GRPC_ERROR_NONE) { + grpc_status_code status; + const char *error_str; + grpc_error_get_status(error, &status, &error_str); + close_with_status(&exec_ctx, call, status, error_str); + GRPC_ERROR_UNREF(error); } + if (cq != NULL) { + GPR_ASSERT( + pollset_set_alternative == NULL && + "Only one of 'cq' and 'pollset_set_alternative' should be non-NULL."); + GRPC_CQ_INTERNAL_REF(cq, "bind"); + call->pollent = + grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)); + } + if (pollset_set_alternative != NULL) { + call->pollent = + grpc_polling_entity_create_from_pollset_set(pollset_set_alternative); + } + if (!grpc_polling_entity_is_empty(&call->pollent)) { + grpc_call_stack_set_pollset_or_pollset_set( + &exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent); + } + grpc_exec_ctx_finish(&exec_ctx); GPR_TIMER_END("grpc_call_create", 0); return call; @@ -454,20 +444,11 @@ static void set_status_details(grpc_call *call, status_source source, static void set_status_from_error(grpc_call *call, status_source source, grpc_error *error) { - intptr_t status; - if (grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status)) { - set_status_code(call, source, (uint32_t)status); - } else { - set_status_code(call, source, GRPC_STATUS_INTERNAL); - } - const char *msg = grpc_error_get_str(error, GRPC_ERROR_STR_GRPC_MESSAGE); - bool free_msg = false; - if (msg == NULL) { - free_msg = true; - msg = grpc_error_string(error); - } + grpc_status_code status; + const char *msg; + grpc_error_get_status(error, &status, &msg); + set_status_code(call, source, (uint32_t)status); set_status_details(call, source, grpc_mdstr_from_string(msg)); - if (free_msg) grpc_error_free_string(msg); } static void set_incoming_compression_algorithm( @@ -740,9 +721,6 @@ void grpc_call_destroy(grpc_call *c) { gpr_mu_lock(&c->mu); GPR_ASSERT(!c->destroy_called); c->destroy_called = 1; - if (c->have_alarm) { - grpc_timer_cancel(&exec_ctx, &c->alarm); - } cancel = !c->received_final_op; gpr_mu_unlock(&c->mu); if (cancel) grpc_call_cancel(c, NULL); @@ -780,7 +758,6 @@ typedef struct termination_closure { grpc_closure closure; grpc_call *call; grpc_error *error; - grpc_closure *op_closure; enum { TC_CANCEL, TC_CLOSE } type; grpc_transport_stream_op op; } termination_closure; @@ -797,7 +774,6 @@ static void done_termination(grpc_exec_ctx *exec_ctx, void *tcp, break; } GRPC_ERROR_UNREF(tc->error); - grpc_exec_ctx_sched(exec_ctx, tc->op_closure, GRPC_ERROR_NONE, NULL); gpr_free(tc); } @@ -817,7 +793,6 @@ static void send_close(grpc_exec_ctx *exec_ctx, void *tcp, grpc_error *error) { tc->op.close_error = tc->error; /* reuse closure to catch completion */ grpc_closure_init(&tc->closure, done_termination, tc); - tc->op_closure = tc->op.on_complete; tc->op.on_complete = &tc->closure; execute_op(exec_ctx, tc->call, &tc->op); } @@ -900,32 +875,6 @@ grpc_call *grpc_call_from_top_element(grpc_call_element *elem) { return CALL_FROM_TOP_ELEM(elem); } -static void call_alarm(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - grpc_call *call = arg; - gpr_mu_lock(&call->mu); - call->have_alarm = 0; - if (error != GRPC_ERROR_CANCELLED) { - cancel_with_status(exec_ctx, call, GRPC_STATUS_DEADLINE_EXCEEDED, - "Deadline Exceeded"); - } - gpr_mu_unlock(&call->mu); - GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "alarm"); -} - -static void set_deadline_alarm(grpc_exec_ctx *exec_ctx, grpc_call *call, - gpr_timespec deadline) { - if (call->have_alarm) { - gpr_log(GPR_ERROR, "Attempt to set deadline alarm twice"); - assert(0); - return; - } - GRPC_CALL_INTERNAL_REF(call, "alarm"); - call->have_alarm = 1; - call->send_deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC); - grpc_timer_init(exec_ctx, &call->alarm, call->send_deadline, call_alarm, call, - gpr_now(GPR_CLOCK_MONOTONIC)); -} - /* we offset status by a small amount when storing it into transport metadata as metadata cannot store a 0 value (which is used as OK for grpc_status_codes */ @@ -1267,9 +1216,8 @@ static void receiving_initial_metadata_ready(grpc_exec_ctx *exec_ctx, if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) != 0 && !call->is_client) { - GPR_TIMER_BEGIN("set_deadline_alarm", 0); - set_deadline_alarm(exec_ctx, call, md->deadline); - GPR_TIMER_END("set_deadline_alarm", 0); + call->send_deadline = + gpr_convert_clock_type(md->deadline, GPR_CLOCK_MONOTONIC); } } @@ -1298,9 +1246,17 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, GRPC_ERROR_REF(error); gpr_mu_lock(&call->mu); + + // If the error has an associated status code, set the call's status. + intptr_t status; + if (error != GRPC_ERROR_NONE && + grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, &status)) { + set_status_from_error(call, STATUS_FROM_CORE, error); + } + if (bctl->send_initial_metadata) { if (error != GRPC_ERROR_NONE) { - set_status_code(call, STATUS_FROM_CORE, GRPC_STATUS_UNAVAILABLE); + set_status_from_error(call, STATUS_FROM_CORE, error); } grpc_metadata_batch_destroy( &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]); @@ -1318,9 +1274,6 @@ static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, grpc_metadata_batch_filter(md, recv_trailing_filter, call); call->received_final_op = true; - if (call->have_alarm) { - grpc_timer_cancel(exec_ctx, &call->alarm); - } /* propagate cancellation to any interested children */ child_call = call->first_child; if (child_call != NULL) { diff --git a/src/core/lib/surface/completion_queue.h b/src/core/lib/surface/completion_queue.h index 3049284f68..4dbf3aae63 100644 --- a/src/core/lib/surface/completion_queue.h +++ b/src/core/lib/surface/completion_queue.h @@ -57,6 +57,8 @@ typedef struct grpc_cq_completion { uintptr_t next; } grpc_cq_completion; +//#define GRPC_CQ_REF_COUNT_DEBUG + #ifdef GRPC_CQ_REF_COUNT_DEBUG void grpc_cq_internal_ref(grpc_completion_queue *cc, const char *reason, const char *file, int line); diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c index 64bdfc3446..289f4ce8e8 100644 --- a/src/core/lib/surface/init.c +++ b/src/core/lib/surface/init.c @@ -43,6 +43,7 @@ #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/http_client_filter.h" #include "src/core/lib/channel/http_server_filter.h" #include "src/core/lib/channel/message_size_filter.h" @@ -100,6 +101,12 @@ static bool maybe_add_http_filter(grpc_channel_stack_builder *builder, 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( diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c index 56fb80e92e..7300d79b9f 100644 --- a/src/core/lib/surface/server.c +++ b/src/core/lib/surface/server.c @@ -1106,6 +1106,12 @@ void grpc_server_start(grpc_server *server) { grpc_exec_ctx_finish(&exec_ctx); } +void grpc_server_get_pollsets(grpc_server *server, grpc_pollset ***pollsets, + size_t *pollset_count) { + *pollset_count = server->cq_count; + *pollsets = server->pollsets; +} + void grpc_server_setup_transport(grpc_exec_ctx *exec_ctx, grpc_server *s, grpc_transport *transport, grpc_pollset *accepting_pollset, diff --git a/src/core/lib/surface/server.h b/src/core/lib/surface/server.h index fb6e4d60c5..551a40a4ff 100644 --- a/src/core/lib/surface/server.h +++ b/src/core/lib/surface/server.h @@ -60,4 +60,9 @@ const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server); int grpc_server_has_open_connections(grpc_server *server); +/* Do not call this before grpc_server_start. Returns the pollsets and the + * number of pollsets via 'pollsets' and 'pollset_count'. */ +void grpc_server_get_pollsets(grpc_server *server, grpc_pollset ***pollsets, + size_t *pollset_count); + #endif /* GRPC_CORE_LIB_SURFACE_SERVER_H */ diff --git a/src/core/lib/transport/transport.c b/src/core/lib/transport/transport.c index 08f9d7e8d9..82fc605218 100644 --- a/src/core/lib/transport/transport.c +++ b/src/core/lib/transport/transport.c @@ -47,7 +47,7 @@ void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason) { gpr_atm val = gpr_atm_no_barrier_load(&refcount->refs.count); gpr_log(GPR_DEBUG, "%s %p:%p REF %d->%d %s", refcount->object_type, - refcount, refcount->destroy.cb_arg, val, val + 1, reason); + refcount, refcount->destroy.cb_arg, (int)val, (int)val + 1, reason); #else void grpc_stream_ref(grpc_stream_refcount *refcount) { #endif @@ -59,7 +59,7 @@ void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount, const char *reason) { gpr_atm val = gpr_atm_no_barrier_load(&refcount->refs.count); gpr_log(GPR_DEBUG, "%s %p:%p UNREF %d->%d %s", refcount->object_type, - refcount, refcount->destroy.cb_arg, val, val - 1, reason); + refcount, refcount->destroy.cb_arg, (int)val, (int)val - 1, reason); #else void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount) { @@ -224,7 +224,7 @@ void grpc_transport_stream_op_add_cancellation_with_message( error = GRPC_ERROR_CREATE("Call cancelled"); } error = grpc_error_set_int(error, GRPC_ERROR_INT_GRPC_STATUS, status); - add_error(op, &op->close_error, error); + add_error(op, &op->cancel_error, error); } void grpc_transport_stream_op_add_close(grpc_transport_stream_op *op, |