diff options
Diffstat (limited to 'src/core/ext/transport/chttp2')
11 files changed, 482 insertions, 575 deletions
diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c index cbaa75a90a..c2b59569fd 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c @@ -41,6 +41,7 @@ #include <grpc/support/slice_buffer.h> #include "src/core/ext/client_config/client_channel.h" +#include "src/core/ext/client_config/http_connect_handshaker.h" #include "src/core/ext/client_config/resolver_registry.h" #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" #include "src/core/lib/channel/channel_args.h" @@ -160,7 +161,6 @@ typedef struct { grpc_client_channel_factory base; gpr_refcount refs; grpc_channel_args *merge_args; - grpc_channel *master; } client_channel_factory; static void client_channel_factory_ref( @@ -173,10 +173,6 @@ static void client_channel_factory_unref( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) { client_channel_factory *f = (client_channel_factory *)cc_factory; if (gpr_unref(&f->refs)) { - if (f->master != NULL) { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, - "client_channel_factory"); - } grpc_channel_args_destroy(f->merge_args); gpr_free(f); } @@ -194,6 +190,13 @@ static grpc_subchannel *client_channel_factory_create_subchannel( c->base.vtable = &connector_vtable; gpr_ref_init(&c->refs, 1); c->handshake_mgr = grpc_handshake_manager_create(); + char *proxy_name = grpc_get_http_proxy_server(); + if (proxy_name != NULL) { + grpc_handshake_manager_add( + c->handshake_mgr, + grpc_http_connect_handshaker_create(proxy_name, args->server_name)); + gpr_free(proxy_name); + } args->args = final_args; s = grpc_subchannel_create(exec_ctx, &c->base, args); grpc_connector_unref(exec_ctx, &c->base); @@ -210,15 +213,15 @@ static grpc_channel *client_channel_factory_create_channel( grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args, GRPC_CLIENT_CHANNEL, NULL); grpc_channel_args_destroy(final_args); - grpc_resolver *resolver = grpc_resolver_create(target, &f->base); + grpc_resolver *resolver = grpc_resolver_create(target); if (!resolver) { GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, "client_channel_factory_create_channel"); return NULL; } - grpc_client_channel_set_resolver( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver); + grpc_client_channel_finish_initialization( + exec_ctx, grpc_channel_get_channel_stack(channel), resolver, &f->base); GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel"); return channel; @@ -250,12 +253,8 @@ grpc_channel *grpc_insecure_channel_create(const char *target, grpc_channel *channel = client_channel_factory_create_channel( &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL); - if (channel != NULL) { - f->master = channel; - GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_insecure_channel_create"); - } - grpc_client_channel_factory_unref(&exec_ctx, &f->base); + grpc_client_channel_factory_unref(&exec_ctx, &f->base); grpc_exec_ctx_finish(&exec_ctx); return channel != NULL ? channel : grpc_lame_client_channel_create( diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c index 9e2bdd758f..31c54ff74c 100644 --- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c +++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c @@ -41,6 +41,7 @@ #include <grpc/support/slice_buffer.h> #include "src/core/ext/client_config/client_channel.h" +#include "src/core/ext/client_config/http_connect_handshaker.h" #include "src/core/ext/client_config/resolver_registry.h" #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" #include "src/core/lib/channel/channel_args.h" @@ -220,7 +221,6 @@ typedef struct { gpr_refcount refs; grpc_channel_args *merge_args; grpc_channel_security_connector *security_connector; - grpc_channel *master; } client_channel_factory; static void client_channel_factory_ref( @@ -235,10 +235,6 @@ static void client_channel_factory_unref( if (gpr_unref(&f->refs)) { GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, "client_channel_factory"); - if (f->master != NULL) { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, - "client_channel_factory"); - } grpc_channel_args_destroy(f->merge_args); gpr_free(f); } @@ -256,6 +252,13 @@ static grpc_subchannel *client_channel_factory_create_subchannel( c->base.vtable = &connector_vtable; c->security_connector = f->security_connector; c->handshake_mgr = grpc_handshake_manager_create(); + char *proxy_name = grpc_get_http_proxy_server(); + if (proxy_name != NULL) { + grpc_handshake_manager_add( + c->handshake_mgr, + grpc_http_connect_handshaker_create(proxy_name, args->server_name)); + gpr_free(proxy_name); + } gpr_mu_init(&c->mu); gpr_ref_init(&c->refs, 1); args->args = final_args; @@ -276,10 +279,10 @@ static grpc_channel *client_channel_factory_create_channel( GRPC_CLIENT_CHANNEL, NULL); grpc_channel_args_destroy(final_args); - grpc_resolver *resolver = grpc_resolver_create(target, &f->base); + grpc_resolver *resolver = grpc_resolver_create(target); if (resolver != NULL) { - grpc_client_channel_set_resolver( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver); + grpc_client_channel_finish_initialization( + exec_ctx, grpc_channel_get_channel_stack(channel), resolver, &f->base); GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create"); } else { GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, @@ -356,10 +359,6 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds, grpc_channel *channel = client_channel_factory_create_channel( &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL); - if (channel != NULL) { - f->master = channel; - GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_secure_channel_create"); - } grpc_client_channel_factory_unref(&exec_ctx, &f->base); grpc_exec_ctx_finish(&exec_ctx); 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/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 0e8dfb7d96..1dd7fef76f 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -33,6 +33,7 @@ #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include <limits.h> #include <math.h> #include <stdio.h> #include <string.h> @@ -46,6 +47,7 @@ #include "src/core/ext/transport/chttp2/transport/http2_errors.h" #include "src/core/ext/transport/chttp2/transport/internal.h" #include "src/core/ext/transport/chttp2/transport/status_conversion.h" +#include "src/core/lib/channel/channel_args.h" #include "src/core/lib/http/parser.h" #include "src/core/lib/iomgr/workqueue.h" #include "src/core/lib/profiling/timers.h" @@ -89,13 +91,20 @@ static const grpc_transport_vtable vtable; static void writing_action(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void reading_action(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void parsing_action(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void initiate_writing(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); +static void reading_action_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error); +static void post_parse_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error); +static void initiate_writing_locked(grpc_exec_ctx *exec_ctx, void *t, + grpc_error *error); +static void initiate_read_flush_locked(grpc_exec_ctx *exec_ctx, void *t, + grpc_error *error); +static void terminate_writing_with_lock(grpc_exec_ctx *exec_ctx, void *t, + grpc_error *error); static void start_writing(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t); static void end_waiting_for_write(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_error *error, - const char *reason); + grpc_chttp2_transport *t, grpc_error *error); /** Set a transport level setting, and push it to our peer */ static void push_setting(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, @@ -105,11 +114,6 @@ static void push_setting(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, static void drop_connection(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_error *error); -/** Perform a transport_op */ -static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, void *transport_op); - /** Cancel a stream: coming from the transport API */ static void cancel_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, @@ -121,22 +125,10 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_stream_global *stream_global, grpc_error *error); -/** Add endpoint from this transport to pollset */ -static void add_to_pollset_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_ignored, void *pollset); -static void add_to_pollset_set_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_ignored, - void *pollset_set); - /** Start new streams that have been created if we can */ static void maybe_start_some_streams( grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global); -static void finish_global_actions(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t); - static void connectivity_state_set( grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_connectivity_state state, grpc_error *error, const char *reason); @@ -149,14 +141,16 @@ static void incoming_byte_stream_update_flow_control( grpc_chttp2_stream_global *stream_global, size_t max_size_hint, size_t have_already); static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *byte_stream); + void *byte_stream, + grpc_error *error_ignored); static void fail_pending_writes(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_stream_global *stream_global, grpc_error *error); +static void set_write_state(grpc_chttp2_transport *t, + grpc_chttp2_write_state state, const char *reason); + /******************************************************************************* * CONSTRUCTION/DESTRUCTION/REFCOUNTING */ @@ -165,9 +159,7 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { size_t i; - gpr_mu_lock(&t->executor.mu); - - GPR_ASSERT(t->ep == NULL); + grpc_endpoint_destroy(exec_ctx, t->ep); gpr_slice_buffer_destroy(&t->global.qbuf); @@ -191,8 +183,7 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_stream_map_destroy(&t->new_stream_map); grpc_connectivity_state_destroy(exec_ctx, &t->channel_callback.state_tracker); - gpr_mu_unlock(&t->executor.mu); - gpr_mu_destroy(&t->executor.mu); + grpc_combiner_destroy(exec_ctx, t->executor.combiner); /* callback remaining pings: they're not allowed to call into the transpot, and maybe they hold resources that need to be freed */ @@ -250,12 +241,13 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, memset(t, 0, sizeof(*t)); t->base.vtable = &vtable; + t->executor.write_state = GRPC_CHTTP2_WRITES_CORKED; t->ep = ep; - /* one ref is for destroy, the other for when ep becomes NULL */ - gpr_ref_init(&t->refs, 2); + /* one ref is for destroy */ + gpr_ref_init(&t->refs, 1); /* ref is dropped at transport close() */ gpr_ref_init(&t->shutdown_ep_refs, 1); - gpr_mu_init(&t->executor.mu); + t->executor.combiner = grpc_combiner_create(grpc_endpoint_get_workqueue(ep)); t->peer_string = grpc_endpoint_get_peer(ep); t->endpoint_reading = 1; t->global.next_stream_id = is_client ? 1 : 2; @@ -281,23 +273,22 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_hpack_compressor_init(&t->writing.hpack_compressor); grpc_closure_init(&t->writing_action, writing_action, t); grpc_closure_init(&t->reading_action, reading_action, t); + grpc_closure_init(&t->reading_action_locked, reading_action_locked, t); grpc_closure_init(&t->parsing_action, parsing_action, t); - grpc_closure_init(&t->initiate_writing, initiate_writing, t); + grpc_closure_init(&t->post_parse_locked, post_parse_locked, t); + grpc_closure_init(&t->initiate_writing, initiate_writing_locked, t); + grpc_closure_init(&t->terminate_writing, terminate_writing_with_lock, t); + grpc_closure_init(&t->initiate_read_flush_locked, initiate_read_flush_locked, + t); + grpc_closure_init(&t->writing.done_cb, grpc_chttp2_terminate_writing, + &t->writing); gpr_slice_buffer_init(&t->parsing.qbuf); grpc_chttp2_goaway_parser_init(&t->parsing.goaway_parser); grpc_chttp2_hpack_parser_init(&t->parsing.hpack_parser); - grpc_closure_init(&t->writing.done_cb, grpc_chttp2_terminate_writing, - &t->writing); gpr_slice_buffer_init(&t->read_buffer); - if (is_client) { - gpr_slice_buffer_add( - &t->global.qbuf, - gpr_slice_from_copied_string(GRPC_CHTTP2_CLIENT_CONNECT_STRING)); - grpc_chttp2_initiate_write(exec_ctx, &t->global, false, "initial_write"); - } /* 8 is a random stab in the dark as to a good initial size: it's small enough that it shouldn't waste memory for infrequently used connections, yet large enough that the exponential growth should happen nicely when it's @@ -320,6 +311,13 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, t->global.force_send_settings = 1 << GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; t->global.sent_local_settings = 0; + if (is_client) { + gpr_slice_buffer_add( + &t->writing.outbuf, + gpr_slice_from_copied_string(GRPC_CHTTP2_CLIENT_CONNECT_STRING)); + grpc_chttp2_initiate_write(exec_ctx, &t->global, false, "initial_write"); + } + /* configure http2 the way we like it */ if (is_client) { push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_ENABLE_PUSH, 0); @@ -337,121 +335,115 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, if (is_client) { gpr_log(GPR_ERROR, "%s: is ignored on the client", GRPC_ARG_MAX_CONCURRENT_STREAMS); - } else if (channel_args->args[i].type != GRPC_ARG_INTEGER) { - gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_MAX_CONCURRENT_STREAMS); } else { - push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, - (uint32_t)channel_args->args[i].value.integer); + const grpc_integer_options options = {-1, 0, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { + push_setting(exec_ctx, t, + GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, + (uint32_t)value); + } } } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER)) { - if (channel_args->args[i].type != GRPC_ARG_INTEGER) { - gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER); - } else if ((t->global.next_stream_id & 1) != - (channel_args->args[i].value.integer & 1)) { - gpr_log(GPR_ERROR, "%s: low bit must be %d on %s", - GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER, - t->global.next_stream_id & 1, - is_client ? "client" : "server"); - } else { - t->global.next_stream_id = - (uint32_t)channel_args->args[i].value.integer; + const grpc_integer_options options = {-1, 0, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { + if ((t->global.next_stream_id & 1) != (value & 1)) { + gpr_log(GPR_ERROR, "%s: low bit must be %d on %s", + GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER, + t->global.next_stream_id & 1, + is_client ? "client" : "server"); + } else { + t->global.next_stream_id = (uint32_t)value; + } } } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES)) { - if (channel_args->args[i].type != GRPC_ARG_INTEGER) { - gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES); - } else if (channel_args->args[i].value.integer <= 5) { - gpr_log(GPR_ERROR, "%s: must be at least 5", - GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES); - } else { - t->global.stream_lookahead = - (uint32_t)channel_args->args[i].value.integer; + const grpc_integer_options options = {-1, 5, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { + t->global.stream_lookahead = (uint32_t)value; } } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER)) { - if (channel_args->args[i].type != GRPC_ARG_INTEGER) { - gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER); - } else if (channel_args->args[i].value.integer < 0) { - gpr_log(GPR_ERROR, "%s: must be non-negative", - GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER); - } else { + const grpc_integer_options options = {-1, 0, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE, - (uint32_t)channel_args->args[i].value.integer); + (uint32_t)value); } } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER)) { - if (channel_args->args[i].type != GRPC_ARG_INTEGER) { - gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER); - } else if (channel_args->args[i].value.integer < 0) { - gpr_log(GPR_ERROR, "%s: must be non-negative", - GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER); - } else { + const grpc_integer_options options = {-1, 0, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { grpc_chttp2_hpack_compressor_set_max_usable_size( - &t->writing.hpack_compressor, - (uint32_t)channel_args->args[i].value.integer); + &t->writing.hpack_compressor, (uint32_t)value); } } else if (0 == strcmp(channel_args->args[i].key, GRPC_ARG_MAX_METADATA_SIZE)) { + const grpc_integer_options options = {-1, 0, INT_MAX}; + const int value = + grpc_channel_arg_get_integer(&channel_args->args[i], options); + if (value >= 0) { + push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, + (uint32_t)value); + } + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_MAX_FRAME_SIZE)) { if (channel_args->args[i].type != GRPC_ARG_INTEGER) { gpr_log(GPR_ERROR, "%s: must be an integer", - GRPC_ARG_MAX_METADATA_SIZE); - } else if (channel_args->args[i].value.integer < 0) { - gpr_log(GPR_ERROR, "%s: must be non-negative", - GRPC_ARG_MAX_METADATA_SIZE); + GRPC_ARG_HTTP2_MAX_FRAME_SIZE); + } else if (channel_args->args[i].value.integer < 16384 || + channel_args->args[i].value.integer > 16777215) { + gpr_log(GPR_ERROR, "%s: must be between 16384 and 16777215", + GRPC_ARG_HTTP2_MAX_FRAME_SIZE); } else { - push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, + push_setting(exec_ctx, t, GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE, (uint32_t)channel_args->args[i].value.integer); } } } } + + set_write_state(t, GRPC_CHTTP2_WRITING_INACTIVE, "uncork"); + grpc_chttp2_initiate_write(exec_ctx, &t->global, false, "init"); } -static void destroy_transport_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_ignored, - void *arg_ignored) { +static void destroy_transport_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + grpc_chttp2_transport *t = tp; t->destroying = 1; drop_connection(exec_ctx, t, GRPC_ERROR_CREATE("Transport destroyed")); + UNREF_TRANSPORT(exec_ctx, t, "destroy"); } static void destroy_transport(grpc_exec_ctx *exec_ctx, grpc_transport *gt) { grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; - grpc_chttp2_run_with_global_lock(exec_ctx, t, NULL, destroy_transport_locked, - NULL, 0); - UNREF_TRANSPORT(exec_ctx, t, "destroy"); + grpc_combiner_execute(exec_ctx, t->executor.combiner, + grpc_closure_create(destroy_transport_locked, t), + GRPC_ERROR_NONE); } /** block grpc_endpoint_shutdown being called until a paired allow_endpoint_shutdown is made */ static void prevent_endpoint_shutdown(grpc_chttp2_transport *t) { - GPR_ASSERT(t->ep); gpr_ref(&t->shutdown_ep_refs); } static void allow_endpoint_shutdown_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { if (gpr_unref(&t->shutdown_ep_refs)) { - if (t->ep) { - grpc_endpoint_shutdown(exec_ctx, t->ep); - } + grpc_endpoint_shutdown(exec_ctx, t->ep); } } -static void destroy_endpoint(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t) { - grpc_endpoint_destroy(exec_ctx, t->ep); - t->ep = NULL; - /* safe because we'll still have the ref for write */ - UNREF_TRANSPORT(exec_ctx, t, "disconnect"); -} - static void close_transport_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_error *error) { @@ -462,9 +454,7 @@ static void close_transport_locked(grpc_exec_ctx *exec_ctx, t->closed = 1; connectivity_state_set(exec_ctx, &t->global, GRPC_CHANNEL_SHUTDOWN, GRPC_ERROR_REF(error), "close_transport"); - if (t->ep) { - allow_endpoint_shutdown_locked(exec_ctx, t); - } + allow_endpoint_shutdown_locked(exec_ctx, t); /* flush writable stream list to avoid dangling references */ grpc_chttp2_stream_global *stream_global; @@ -498,21 +488,23 @@ void grpc_chttp2_stream_unref(grpc_exec_ctx *exec_ctx, } #endif -static void finish_init_stream_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *arg_ignored) { - grpc_chttp2_register_stream(t, s); +static void finish_init_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, + grpc_error *error) { + grpc_chttp2_stream *s = sp; + grpc_chttp2_register_stream(s->t, s); + GRPC_CHTTP2_STREAM_UNREF(exec_ctx, &s->global, "init"); } static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_stream *gs, grpc_stream_refcount *refcount, const void *server_data) { + GPR_TIMER_BEGIN("init_stream", 0); grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; memset(s, 0, sizeof(*s)); + s->t = t; s->refcount = refcount; /* We reserve one 'active stream' that's dropped when the stream is read-closed. The others are for incoming_byte_streams that are actively @@ -547,16 +539,21 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, s->global.in_stream_map = true; } - grpc_chttp2_run_with_global_lock(exec_ctx, t, s, finish_init_stream_locked, - NULL, 0); + grpc_closure_init(&s->init_stream, finish_init_stream_locked, s); + GRPC_CHTTP2_STREAM_REF(&s->global, "init"); + grpc_combiner_execute(exec_ctx, t->executor.combiner, &s->init_stream, + GRPC_ERROR_NONE); + + GPR_TIMER_END("init_stream", 0); return 0; } -static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, void *arg) { +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; GPR_TIMER_BEGIN("destroy_stream", 0); @@ -575,7 +572,7 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, while ( (bs = grpc_chttp2_incoming_frame_queue_pop(&s->global.incoming_frames))) { - incoming_byte_stream_destroy_locked(exec_ctx, NULL, NULL, bs); + incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); } grpc_chttp2_list_remove_unannounced_incoming_window_available(&t->global, @@ -612,16 +609,20 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, GPR_TIMER_END("destroy_stream", 0); - gpr_free(arg); + gpr_free(s->destroy_stream_arg); } static void destroy_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_stream *gs, void *and_free_memory) { + GPR_TIMER_BEGIN("destroy_stream", 0); grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; - grpc_chttp2_run_with_global_lock(exec_ctx, t, s, destroy_stream_locked, - and_free_memory, 0); + s->destroy_stream_arg = and_free_memory; + grpc_closure_init(&s->destroy_stream, destroy_stream_locked, s); + grpc_combiner_execute(exec_ctx, t->executor.combiner, &s->destroy_stream, + GRPC_ERROR_NONE); + GPR_TIMER_END("destroy_stream", 0); } grpc_chttp2_stream_parsing *grpc_chttp2_parsing_lookup_stream( @@ -652,12 +653,10 @@ grpc_chttp2_stream_parsing *grpc_chttp2_parsing_accept_stream( static const char *write_state_name(grpc_chttp2_write_state state) { switch (state) { + case GRPC_CHTTP2_WRITES_CORKED: + return "CORKED"; case GRPC_CHTTP2_WRITING_INACTIVE: return "INACTIVE"; - case GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER: - return "REQUESTED[p=0]"; - case GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER: - return "REQUESTED[p=1]"; case GRPC_CHTTP2_WRITE_SCHEDULED: return "SCHEDULED"; case GRPC_CHTTP2_WRITING: @@ -680,120 +679,18 @@ static void set_write_state(grpc_chttp2_transport *t, t->executor.write_state = state; } -static void finish_global_actions(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t) { - grpc_chttp2_executor_action_header *hdr; - grpc_chttp2_executor_action_header *next; - - GPR_TIMER_BEGIN("finish_global_actions", 0); - - for (;;) { - check_read_ops(exec_ctx, &t->global); - - gpr_mu_lock(&t->executor.mu); - if (t->executor.pending_actions_head != NULL) { - hdr = t->executor.pending_actions_head; - t->executor.pending_actions_head = t->executor.pending_actions_tail = - NULL; - gpr_mu_unlock(&t->executor.mu); - while (hdr != NULL) { - GPR_TIMER_BEGIN("chttp2:locked_action", 0); - hdr->action(exec_ctx, t, hdr->stream, hdr->arg); - GPR_TIMER_END("chttp2:locked_action", 0); - next = hdr->next; - gpr_free(hdr); - UNREF_TRANSPORT(exec_ctx, t, "pending_action"); - hdr = next; - } - continue; - } else { - t->executor.global_active = false; - switch (t->executor.write_state) { - case GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER: - set_write_state(t, GRPC_CHTTP2_WRITE_SCHEDULED, "unlocking"); - REF_TRANSPORT(t, "initiate_writing"); - gpr_mu_unlock(&t->executor.mu); - grpc_exec_ctx_sched( - exec_ctx, &t->initiate_writing, GRPC_ERROR_NONE, - t->ep != NULL ? grpc_endpoint_get_workqueue(t->ep) : NULL); - break; - case GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER: - start_writing(exec_ctx, t); - gpr_mu_unlock(&t->executor.mu); - break; - case GRPC_CHTTP2_WRITING_INACTIVE: - case GRPC_CHTTP2_WRITING: - case GRPC_CHTTP2_WRITING_STALE_WITH_POLLER: - case GRPC_CHTTP2_WRITING_STALE_NO_POLLER: - case GRPC_CHTTP2_WRITE_SCHEDULED: - gpr_mu_unlock(&t->executor.mu); - break; - } - } - break; - } - - GPR_TIMER_END("finish_global_actions", 0); +static void initiate_writing_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + grpc_chttp2_transport *t = tp; + GPR_ASSERT(t->executor.write_state == GRPC_CHTTP2_WRITE_SCHEDULED); + start_writing(exec_ctx, t); } -void grpc_chttp2_run_with_global_lock(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *optional_stream, - grpc_chttp2_locked_action action, - void *arg, size_t sizeof_arg) { - grpc_chttp2_executor_action_header *hdr; - - GPR_TIMER_BEGIN("grpc_chttp2_run_with_global_lock", 0); - - REF_TRANSPORT(t, "run_global"); - gpr_mu_lock(&t->executor.mu); - - for (;;) { - if (!t->executor.global_active) { - t->executor.global_active = 1; - gpr_mu_unlock(&t->executor.mu); - - GPR_TIMER_BEGIN("chttp2:locked_action", 0); - action(exec_ctx, t, optional_stream, arg); - GPR_TIMER_END("chttp2:locked_action", 0); - - finish_global_actions(exec_ctx, t); - } else { - gpr_mu_unlock(&t->executor.mu); - - hdr = gpr_malloc(sizeof(*hdr) + sizeof_arg); - hdr->stream = optional_stream; - hdr->action = action; - if (sizeof_arg == 0) { - hdr->arg = arg; - } else { - hdr->arg = hdr + 1; - memcpy(hdr->arg, arg, sizeof_arg); - } - - gpr_mu_lock(&t->executor.mu); - if (!t->executor.global_active) { - /* global lock was released while allocating memory: release & retry */ - gpr_free(hdr); - continue; - } - hdr->next = NULL; - if (t->executor.pending_actions_head != NULL) { - t->executor.pending_actions_tail = - t->executor.pending_actions_tail->next = hdr; - } else { - t->executor.pending_actions_tail = t->executor.pending_actions_head = - hdr; - } - REF_TRANSPORT(t, "pending_action"); - gpr_mu_unlock(&t->executor.mu); - } - break; - } - - UNREF_TRANSPORT(exec_ctx, t, "run_global"); - - GPR_TIMER_END("grpc_chttp2_run_with_global_lock", 0); +static void initiate_read_flush_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + grpc_chttp2_transport *t = tp; + t->executor.check_read_ops_scheduled = false; + check_read_ops(exec_ctx, &t->global); } /******************************************************************************* @@ -803,11 +700,12 @@ void grpc_chttp2_run_with_global_lock(grpc_exec_ctx *exec_ctx, void grpc_chttp2_initiate_write(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, bool covered_by_poller, const char *reason) { + GPR_TIMER_BEGIN("grpc_chttp2_initiate_write", 0); + /* Perform state checks, and transition to a scheduled state if appropriate. - Each time we finish the global lock execution, we check if we need to - write. If we do: - - (if there is a poller surrounding the write) schedule - initiate_writing, which locks and calls initiate_writing_locked to... + If we are inactive, schedule a write chain to begin once the transport + combiner finishes any executions in its current batch (which may be + scheduled AFTER this code executes). The write chain will: - call start_writing, which verifies (under the global lock) that there are things that need to be written by calling grpc_chttp2_unlocking_check_writes, and if so schedules writing_action @@ -817,31 +715,28 @@ void grpc_chttp2_initiate_write(grpc_exec_ctx *exec_ctx, to do *another* write immediately, and if so loops back to start_writing. - Current problems: + Current problems: - too much lock entry/exiting - the writing thread can become stuck indefinitely (punt through the workqueue periodically to fix) */ grpc_chttp2_transport *t = TRANSPORT_FROM_GLOBAL(transport_global); switch (t->executor.write_state) { - case GRPC_CHTTP2_WRITING_INACTIVE: - set_write_state(t, covered_by_poller - ? GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER - : GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER, - reason); + case GRPC_CHTTP2_WRITES_CORKED: break; - case GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER: - /* nothing to do: write already requested */ + case GRPC_CHTTP2_WRITING_INACTIVE: + set_write_state(t, GRPC_CHTTP2_WRITE_SCHEDULED, reason); + REF_TRANSPORT(t, "writing"); + grpc_combiner_execute_finally(exec_ctx, t->executor.combiner, + &t->initiate_writing, GRPC_ERROR_NONE, + covered_by_poller); break; - case GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER: + case GRPC_CHTTP2_WRITE_SCHEDULED: if (covered_by_poller) { /* upgrade to note poller is available to cover the write */ - set_write_state(t, GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER, reason); + grpc_combiner_force_async_finally(t->executor.combiner); } break; - case GRPC_CHTTP2_WRITE_SCHEDULED: - /* nothing to do: write already scheduled */ - break; case GRPC_CHTTP2_WRITING: set_write_state(t, covered_by_poller ? GRPC_CHTTP2_WRITING_STALE_WITH_POLLER @@ -858,15 +753,15 @@ void grpc_chttp2_initiate_write(grpc_exec_ctx *exec_ctx, } break; } + GPR_TIMER_END("grpc_chttp2_initiate_write", 0); } static void start_writing(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { - GPR_ASSERT(t->executor.write_state == GRPC_CHTTP2_WRITE_SCHEDULED || - t->executor.write_state == GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER); + GPR_TIMER_BEGIN("start_writing", 0); + GPR_ASSERT(t->executor.write_state == GRPC_CHTTP2_WRITE_SCHEDULED); if (!t->closed && grpc_chttp2_unlocking_check_writes(exec_ctx, &t->global, &t->writing)) { set_write_state(t, GRPC_CHTTP2_WRITING, "start_writing"); - REF_TRANSPORT(t, "writing"); prevent_endpoint_shutdown(t); grpc_exec_ctx_sched(exec_ctx, &t->writing_action, GRPC_ERROR_NONE, NULL); } else { @@ -877,25 +772,10 @@ static void start_writing(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { set_write_state(t, GRPC_CHTTP2_WRITING_INACTIVE, "start_writing:nothing_to_write"); } - end_waiting_for_write(exec_ctx, t, GRPC_ERROR_NONE, "Nothing to write"); - if (t->ep && !t->endpoint_reading) { - destroy_endpoint(exec_ctx, t); - } + end_waiting_for_write(exec_ctx, t, GRPC_ERROR_NONE); + UNREF_TRANSPORT(exec_ctx, t, "writing"); } -} - -static void initiate_writing_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, - void *arg_ignored) { - start_writing(exec_ctx, t); - UNREF_TRANSPORT(exec_ctx, t, "initiate_writing"); -} - -static void initiate_writing(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - grpc_chttp2_run_with_global_lock(exec_ctx, arg, NULL, initiate_writing_locked, - NULL, 0); + GPR_TIMER_END("start_writing", 0); } void grpc_chttp2_become_writable(grpc_exec_ctx *exec_ctx, @@ -929,15 +809,10 @@ static void push_setting(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, /* error may be GRPC_ERROR_NONE if there is no error allocated yet. In that case, use "reason" as the text for a new error. */ static void end_waiting_for_write(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_error *error, - const char *reason) { + grpc_chttp2_transport *t, grpc_error *error) { grpc_chttp2_stream_global *stream_global; while (grpc_chttp2_list_pop_closed_waiting_for_writing(&t->global, &stream_global)) { - if (error == GRPC_ERROR_NONE && reason != NULL) { - /* create error object. */ - error = GRPC_ERROR_CREATE(reason); - } fail_pending_writes(exec_ctx, &t->global, stream_global, GRPC_ERROR_REF(error)); GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "finish_writes"); @@ -945,12 +820,10 @@ static void end_waiting_for_write(grpc_exec_ctx *exec_ctx, GRPC_ERROR_UNREF(error); } -static void terminate_writing_with_lock(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_ignored, - void *a) { - grpc_error *error = a; - +static void terminate_writing_with_lock(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + GPR_TIMER_BEGIN("terminate_writing_with_lock", 0); + grpc_chttp2_transport *t = tp; allow_endpoint_shutdown_locked(exec_ctx, t); if (error != GRPC_ERROR_NONE) { @@ -959,39 +832,46 @@ static void terminate_writing_with_lock(grpc_exec_ctx *exec_ctx, grpc_chttp2_cleanup_writing(exec_ctx, &t->global, &t->writing); - end_waiting_for_write(exec_ctx, t, error, NULL); + end_waiting_for_write(exec_ctx, t, GRPC_ERROR_REF(error)); switch (t->executor.write_state) { + case GRPC_CHTTP2_WRITES_CORKED: case GRPC_CHTTP2_WRITING_INACTIVE: - case GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER: - case GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER: case GRPC_CHTTP2_WRITE_SCHEDULED: GPR_UNREACHABLE_CODE(break); case GRPC_CHTTP2_WRITING: + GPR_TIMER_MARK("state=writing", 0); set_write_state(t, GRPC_CHTTP2_WRITING_INACTIVE, "terminate_writing"); break; case GRPC_CHTTP2_WRITING_STALE_WITH_POLLER: - set_write_state(t, GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER, - "terminate_writing"); + GPR_TIMER_MARK("state=writing_stale_with_poller", 0); + set_write_state(t, GRPC_CHTTP2_WRITE_SCHEDULED, "terminate_writing"); + REF_TRANSPORT(t, "writing"); + grpc_combiner_execute_finally(exec_ctx, t->executor.combiner, + &t->initiate_writing, GRPC_ERROR_NONE, + true); break; case GRPC_CHTTP2_WRITING_STALE_NO_POLLER: - set_write_state(t, GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER, - "terminate_writing"); + GPR_TIMER_MARK("state=writing_stale_no_poller", 0); + set_write_state(t, GRPC_CHTTP2_WRITE_SCHEDULED, "terminate_writing"); + REF_TRANSPORT(t, "writing"); + grpc_combiner_execute_finally(exec_ctx, t->executor.combiner, + &t->initiate_writing, GRPC_ERROR_NONE, + false); break; } - if (t->ep && !t->endpoint_reading) { - destroy_endpoint(exec_ctx, t); - } - UNREF_TRANSPORT(exec_ctx, t, "writing"); + GPR_TIMER_END("terminate_writing_with_lock", 0); } void grpc_chttp2_terminate_writing(grpc_exec_ctx *exec_ctx, void *transport_writing, grpc_error *error) { + GPR_TIMER_BEGIN("grpc_chttp2_terminate_writing", 0); grpc_chttp2_transport *t = TRANSPORT_FROM_WRITING(transport_writing); - grpc_chttp2_run_with_global_lock( - exec_ctx, t, NULL, terminate_writing_with_lock, GRPC_ERROR_REF(error), 0); + grpc_combiner_execute(exec_ctx, t->executor.combiner, &t->terminate_writing, + GRPC_ERROR_REF(error)); + GPR_TIMER_END("grpc_chttp2_terminate_writing", 0); } static void writing_action(grpc_exec_ctx *exec_ctx, void *gt, @@ -1135,15 +1015,22 @@ static int contains_non_ok_status( static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {} -static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, void *stream_op) { +static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, + grpc_error *error_ignored) { GPR_TIMER_BEGIN("perform_stream_op_locked", 0); grpc_transport_stream_op *op = stream_op; + grpc_chttp2_transport *t = op->transport_private.args[0]; + grpc_chttp2_stream *s = op->transport_private.args[1]; grpc_chttp2_transport_global *transport_global = &t->global; grpc_chttp2_stream_global *stream_global = &s->global; + if (grpc_http_trace) { + char *str = grpc_transport_stream_op_string(op); + gpr_log(GPR_DEBUG, "perform_stream_op_locked: %s", str); + gpr_free(str); + } + grpc_closure *on_complete = op->on_complete; if (on_complete == NULL) { on_complete = grpc_closure_create(do_nothing, NULL); @@ -1198,7 +1085,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, } else { if (contains_non_ok_status(transport_global, op->send_initial_metadata)) { stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (!stream_global->write_closed) { if (transport_global->is_client) { @@ -1265,7 +1153,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, if (contains_non_ok_status(transport_global, op->send_trailing_metadata)) { stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (stream_global->write_closed) { stream_global->send_trailing_metadata = NULL; @@ -1290,7 +1179,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, stream_global->recv_initial_metadata_ready = op->recv_initial_metadata_ready; stream_global->recv_initial_metadata = op->recv_initial_metadata; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (op->recv_message != NULL) { @@ -1304,7 +1194,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, exec_ctx, transport_global, stream_global, transport_global->stream_lookahead, 0); } - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (op->recv_trailing_metadata != NULL) { @@ -1313,21 +1204,30 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, add_closure_barrier(on_complete); stream_global->recv_trailing_metadata = op->recv_trailing_metadata; stream_global->final_metadata_requested = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } grpc_chttp2_complete_closure_step(exec_ctx, transport_global, stream_global, &on_complete, GRPC_ERROR_NONE); GPR_TIMER_END("perform_stream_op_locked", 0); + GRPC_CHTTP2_STREAM_UNREF(exec_ctx, &s->global, "perform_stream_op"); } static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_stream *gs, grpc_transport_stream_op *op) { + GPR_TIMER_BEGIN("perform_stream_op", 0); grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; - grpc_chttp2_run_with_global_lock(exec_ctx, t, s, perform_stream_op_locked, op, - sizeof(*op)); + grpc_closure_init(&op->transport_private.closure, perform_stream_op_locked, + op); + op->transport_private.args[0] = gt; + op->transport_private.args[1] = gs; + GRPC_CHTTP2_STREAM_REF(&s->global, "perform_stream_op"); + grpc_combiner_execute(exec_ctx, t->executor.combiner, + &op->transport_private.closure, GRPC_ERROR_NONE); + GPR_TIMER_END("perform_stream_op", 0); } static void send_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, @@ -1349,13 +1249,20 @@ static void send_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_initiate_write(exec_ctx, &t->global, true, "send_ping"); } -static void ack_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, - grpc_chttp2_stream *s, void *opaque_8bytes) { +typedef struct ack_ping_args { + grpc_closure closure; + grpc_chttp2_transport *t; + uint8_t opaque_8bytes[8]; +} ack_ping_args; + +static void ack_ping_locked(grpc_exec_ctx *exec_ctx, void *a, + grpc_error *error_ignored) { + ack_ping_args *args = a; grpc_chttp2_outstanding_ping *ping; - grpc_chttp2_transport_global *transport_global = &t->global; + grpc_chttp2_transport_global *transport_global = &args->t->global; for (ping = transport_global->pings.next; ping != &transport_global->pings; ping = ping->next) { - if (0 == memcmp(opaque_8bytes, ping->id, 8)) { + if (0 == memcmp(args->opaque_8bytes, ping->id, 8)) { grpc_exec_ctx_sched(exec_ctx, ping->on_recv, GRPC_ERROR_NONE, NULL); ping->next->prev = ping->prev; ping->prev->next = ping->next; @@ -1363,21 +1270,27 @@ static void ack_ping_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, break; } } + UNREF_TRANSPORT(exec_ctx, args->t, "ack_ping"); + gpr_free(args); } void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing, const uint8_t *opaque_8bytes) { - grpc_chttp2_run_with_global_lock( - exec_ctx, TRANSPORT_FROM_PARSING(transport_parsing), NULL, - ack_ping_locked, (void *)opaque_8bytes, 8); + ack_ping_args *args = gpr_malloc(sizeof(*args)); + args->t = TRANSPORT_FROM_PARSING(transport_parsing); + memcpy(args->opaque_8bytes, opaque_8bytes, sizeof(args->opaque_8bytes)); + grpc_closure_init(&args->closure, ack_ping_locked, args); + REF_TRANSPORT(args->t, "ack_ping"); + grpc_combiner_execute(exec_ctx, args->t->executor.combiner, &args->closure, + GRPC_ERROR_NONE); } static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, - void *stream_op) { + void *stream_op, + grpc_error *error_ignored) { grpc_transport_op *op = stream_op; + grpc_chttp2_transport *t = op->transport_private.args[0]; grpc_error *close_transport = op->disconnect_with_error; /* If there's a set_accept_stream ensure that we're not parsing @@ -1389,8 +1302,6 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, return; } - grpc_exec_ctx_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE, NULL); - if (op->on_connectivity_state_change != NULL) { grpc_connectivity_state_notify_on_state_change( exec_ctx, &t->channel_callback.state_tracker, op->connectivity_state, @@ -1416,11 +1327,11 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, } if (op->bind_pollset) { - add_to_pollset_locked(exec_ctx, t, NULL, op->bind_pollset); + grpc_endpoint_add_to_pollset(exec_ctx, t->ep, op->bind_pollset); } if (op->bind_pollset_set) { - add_to_pollset_set_locked(exec_ctx, t, NULL, op->bind_pollset_set); + grpc_endpoint_add_to_pollset_set(exec_ctx, t->ep, op->bind_pollset_set); } if (op->send_ping) { @@ -1430,13 +1341,21 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, if (close_transport != GRPC_ERROR_NONE) { close_transport_locked(exec_ctx, t, close_transport); } + + grpc_exec_ctx_sched(exec_ctx, op->on_consumed, GRPC_ERROR_NONE, NULL); + + UNREF_TRANSPORT(exec_ctx, t, "transport_op"); } static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_transport_op *op) { grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; - grpc_chttp2_run_with_global_lock( - exec_ctx, t, NULL, perform_transport_op_locked, op, sizeof(*op)); + op->transport_private.args[0] = gt; + grpc_closure_init(&op->transport_private.closure, perform_transport_op_locked, + op); + REF_TRANSPORT(t, "transport_op"); + grpc_combiner_execute(exec_ctx, t->executor.combiner, + &op->transport_private.closure, GRPC_ERROR_NONE); } /******************************************************************************* @@ -1445,6 +1364,7 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, static void check_read_ops(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global) { + GPR_TIMER_BEGIN("check_read_ops", 0); grpc_chttp2_stream_global *stream_global; grpc_byte_stream *bs; while ( @@ -1454,7 +1374,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, if (stream_global->seen_error) { while ((bs = grpc_chttp2_incoming_frame_queue_pop( &stream_global->incoming_frames)) != NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, NULL, NULL, bs); + incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); } if (stream_global->exceeded_metadata_size) { cancel_from_api( @@ -1477,7 +1397,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, stream_global->seen_error && (bs = grpc_chttp2_incoming_frame_queue_pop( &stream_global->incoming_frames)) != NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, NULL, NULL, bs); + incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); } if (stream_global->incoming_frames.head != NULL) { *stream_global->recv_message = grpc_chttp2_incoming_frame_queue_pop( @@ -1498,7 +1418,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, if (stream_global->seen_error) { while ((bs = grpc_chttp2_incoming_frame_queue_pop( &stream_global->incoming_frames)) != NULL) { - incoming_byte_stream_destroy_locked(exec_ctx, NULL, NULL, bs); + incoming_byte_stream_destroy_locked(exec_ctx, bs, GRPC_ERROR_NONE); } if (stream_global->exceeded_metadata_size) { cancel_from_api( @@ -1519,6 +1439,7 @@ static void check_read_ops(grpc_exec_ctx *exec_ctx, } } } + GPR_TIMER_END("check_read_ops", 0); } static void decrement_active_streams_locked( @@ -1526,7 +1447,8 @@ static void decrement_active_streams_locked( grpc_chttp2_stream_global *stream_global) { if ((stream_global->all_incoming_byte_streams_finished = gpr_unref(&stream_global->active_streams))) { - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } } @@ -1630,7 +1552,8 @@ static void cancel_from_api(grpc_exec_ctx *exec_ctx, } if (due_to_error != GRPC_ERROR_NONE && !stream_global->seen_error) { stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1, 1, due_to_error); @@ -1642,7 +1565,8 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_status_code status, gpr_slice *slice) { if (status != GRPC_STATUS_OK) { stream_global->seen_error = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } /* stream_global->recv_trailing_metadata_finished gives us a last chance replacement: we've received trailing metadata, @@ -1666,7 +1590,8 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_mdstr_from_slice(gpr_slice_ref(*slice)))); } stream_global->published_trailing_metadata = true; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (slice) { gpr_slice_unref(*slice); @@ -1726,7 +1651,8 @@ void grpc_chttp2_mark_stream_closed( GRPC_ERROR_UNREF(error); return; } - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); if (close_reads && !stream_global->read_closed) { stream_global->read_closed_error = GRPC_ERROR_REF(error); stream_global->read_closed = true; @@ -1907,6 +1833,10 @@ static void end_all_the_calls(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, static void drop_connection(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_error *error) { + if (!grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, NULL)) { + error = grpc_error_set_int(error, GRPC_ERROR_INT_GRPC_STATUS, + GRPC_STATUS_UNAVAILABLE); + } close_transport_locked(exec_ctx, t, GRPC_ERROR_REF(error)); end_all_the_calls(exec_ctx, t, error); } @@ -1942,16 +1872,12 @@ static void update_global_window(void *args, uint32_t id, void *stream) { * INPUT PROCESSING - PARSING */ -static void reading_action_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *arg); static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error); -static void post_reading_action_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *arg); -static void post_parse_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *arg); +static void post_reading_action_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error); +static void post_parse_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error); static void reading_action(grpc_exec_ctx *exec_ctx, void *tp, grpc_error *error) { @@ -1959,16 +1885,20 @@ static void reading_action(grpc_exec_ctx *exec_ctx, void *tp, reading_action_locked -> (parse_unlocked -> post_parse_locked)? -> post_reading_action_locked */ - grpc_chttp2_run_with_global_lock(exec_ctx, tp, NULL, reading_action_locked, - GRPC_ERROR_REF(error), 0); + GPR_TIMER_BEGIN("reading_action", 0); + grpc_chttp2_transport *t = tp; + grpc_combiner_execute(exec_ctx, t->executor.combiner, + &t->reading_action_locked, GRPC_ERROR_REF(error)); + GPR_TIMER_END("reading_action", 0); } -static void reading_action_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *arg) { +static void reading_action_locked(grpc_exec_ctx *exec_ctx, void *tp, + grpc_error *error) { + GPR_TIMER_BEGIN("reading_action_locked", 0); + + grpc_chttp2_transport *t = tp; grpc_chttp2_transport_global *transport_global = &t->global; grpc_chttp2_transport_parsing *transport_parsing = &t->parsing; - grpc_error *error = arg; GPR_ASSERT(!t->executor.parsing_active); if (!t->closed) { @@ -1977,10 +1907,13 @@ static void reading_action_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_stream_map_move_into(&t->new_stream_map, &t->parsing_stream_map); grpc_chttp2_prepare_to_read(transport_global, transport_parsing); - grpc_exec_ctx_sched(exec_ctx, &t->parsing_action, error, NULL); + grpc_exec_ctx_sched(exec_ctx, &t->parsing_action, GRPC_ERROR_REF(error), + NULL); } else { - post_reading_action_locked(exec_ctx, t, s_unused, arg); + post_reading_action_locked(exec_ctx, t, error); } + + GPR_TIMER_END("reading_action_locked", 0); } static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx, @@ -1995,7 +1928,8 @@ static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx, grpc_error *parse_error = GRPC_ERROR_NONE; for (; i < t->read_buffer.count && parse_error == GRPC_ERROR_NONE; i++) { - parse_error = grpc_http_parser_parse(&parser, t->read_buffer.slices[i]); + parse_error = + grpc_http_parser_parse(&parser, t->read_buffer.slices[i], NULL); } if (parse_error == GRPC_ERROR_NONE && (parse_error = grpc_http_parser_eof(&parser)) == GRPC_ERROR_NONE) { @@ -2032,13 +1966,15 @@ static void parsing_action(grpc_exec_ctx *exec_ctx, void *arg, for (i = 0; i < GPR_ARRAY_SIZE(errors); i++) { GRPC_ERROR_UNREF(errors[i]); } + grpc_combiner_execute(exec_ctx, t->executor.combiner, &t->post_parse_locked, + err); GPR_TIMER_END("reading_action.parse", 0); - grpc_chttp2_run_with_global_lock(exec_ctx, t, NULL, post_parse_locked, err, - 0); } -static void post_parse_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *arg) { +static void post_parse_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + GPR_TIMER_BEGIN("post_parse_locked", 0); + grpc_chttp2_transport *t = arg; grpc_chttp2_transport_global *transport_global = &t->global; grpc_chttp2_transport_parsing *transport_parsing = &t->parsing; /* copy parsing qbuf to global qbuf */ @@ -2064,7 +2000,7 @@ static void post_parse_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, if (t->post_parsing_op) { grpc_transport_op *op = t->post_parsing_op; t->post_parsing_op = NULL; - perform_transport_op_locked(exec_ctx, t, NULL, op); + perform_transport_op_locked(exec_ctx, op, GRPC_ERROR_NONE); gpr_free(op); } /* if a stream is in the stream map, and gets cancelled, we need to @@ -2081,39 +2017,32 @@ static void post_parse_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2"); } - post_reading_action_locked(exec_ctx, t, s_unused, arg); + post_reading_action_locked(exec_ctx, t, error); + GPR_TIMER_END("post_parse_locked", 0); } -static void post_reading_action_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, - void *arg) { - grpc_error *error = arg; +static void post_reading_action_locked(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + GPR_TIMER_BEGIN("post_reading_action_locked", 0); + grpc_chttp2_transport *t = arg; bool keep_reading = false; + GRPC_ERROR_REF(error); if (error == GRPC_ERROR_NONE && t->closed) { error = GRPC_ERROR_CREATE("Transport closed"); } if (error != GRPC_ERROR_NONE) { - if (!grpc_error_get_int(error, GRPC_ERROR_INT_GRPC_STATUS, NULL)) { - error = grpc_error_set_int(error, GRPC_ERROR_INT_GRPC_STATUS, - GRPC_STATUS_UNAVAILABLE); - } drop_connection(exec_ctx, t, GRPC_ERROR_REF(error)); t->endpoint_reading = 0; if (grpc_http_write_state_trace) { gpr_log(GPR_DEBUG, "R:%p -> 0 ws=%s", t, write_state_name(t->executor.write_state)); } - if (t->executor.write_state == GRPC_CHTTP2_WRITING_INACTIVE && t->ep) { - destroy_endpoint(exec_ctx, t); - } } else if (!t->closed) { keep_reading = true; REF_TRANSPORT(t, "keep_reading"); prevent_endpoint_shutdown(t); } gpr_slice_buffer_reset_and_unref(&t->read_buffer); - GRPC_ERROR_UNREF(error); if (keep_reading) { grpc_endpoint_read(exec_ctx, t->ep, &t->read_buffer, &t->reading_action); @@ -2122,6 +2051,9 @@ static void post_reading_action_locked(grpc_exec_ctx *exec_ctx, } else { UNREF_TRANSPORT(exec_ctx, t, "reading_action"); } + GRPC_ERROR_UNREF(error); + + GPR_TIMER_END("post_reading_action_locked", 0); } /******************************************************************************* @@ -2143,36 +2075,16 @@ static void connectivity_state_set( * POLLSET STUFF */ -static void add_to_pollset_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, void *pollset) { - if (t->ep) { - grpc_endpoint_add_to_pollset(exec_ctx, t->ep, pollset); - } -} - -static void add_to_pollset_set_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s_unused, - void *pollset_set) { - if (t->ep) { - grpc_endpoint_add_to_pollset_set(exec_ctx, t->ep, pollset_set); - } -} - static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_stream *gs, grpc_pollset *pollset) { - /* TODO(ctiller): keep pollset alive */ - grpc_chttp2_run_with_global_lock(exec_ctx, (grpc_chttp2_transport *)gt, - (grpc_chttp2_stream *)gs, - add_to_pollset_locked, pollset, 0); + grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; + grpc_endpoint_add_to_pollset(exec_ctx, t->ep, pollset); } static void set_pollset_set(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_stream *gs, grpc_pollset_set *pollset_set) { - grpc_chttp2_run_with_global_lock(exec_ctx, (grpc_chttp2_transport *)gt, - (grpc_chttp2_stream *)gs, - add_to_pollset_set_locked, pollset_set, 0); + grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; + grpc_endpoint_add_to_pollset_set(exec_ctx, t->ep, pollset_set); } /******************************************************************************* @@ -2184,6 +2096,7 @@ static void incoming_byte_stream_unref(grpc_exec_ctx *exec_ctx, if (gpr_unref(&bs->refs)) { GRPC_ERROR_UNREF(bs->error); gpr_slice_buffer_destroy(&bs->slices); + gpr_mu_destroy(&bs->slice_mu); gpr_free(bs); } } @@ -2229,38 +2142,34 @@ static void incoming_byte_stream_update_flow_control( } } -typedef struct { - grpc_chttp2_incoming_byte_stream *byte_stream; - gpr_slice *slice; - size_t max_size_hint; - grpc_closure *on_complete; -} incoming_byte_stream_next_arg; - static void incoming_byte_stream_next_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *argp) { - incoming_byte_stream_next_arg *arg = argp; - grpc_chttp2_incoming_byte_stream *bs = - (grpc_chttp2_incoming_byte_stream *)arg->byte_stream; + void *argp, + grpc_error *error_ignored) { + grpc_chttp2_incoming_byte_stream *bs = argp; grpc_chttp2_transport_global *transport_global = &bs->transport->global; grpc_chttp2_stream_global *stream_global = &bs->stream->global; if (bs->is_tail) { - incoming_byte_stream_update_flow_control(exec_ctx, transport_global, - stream_global, arg->max_size_hint, - bs->slices.length); - } + 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, transport_global, stream_global, + bs->next_action.max_size_hint, cur_length); + } + gpr_mu_lock(&bs->slice_mu); if (bs->slices.count > 0) { - *arg->slice = gpr_slice_buffer_take_first(&bs->slices); - grpc_exec_ctx_sched(exec_ctx, arg->on_complete, GRPC_ERROR_NONE, NULL); - } else if (bs->error != GRPC_ERROR_NONE) { - grpc_exec_ctx_sched(exec_ctx, arg->on_complete, GRPC_ERROR_REF(bs->error), + *bs->next_action.slice = gpr_slice_buffer_take_first(&bs->slices); + grpc_exec_ctx_sched(exec_ctx, bs->next_action.on_complete, GRPC_ERROR_NONE, NULL); + } else if (bs->error != GRPC_ERROR_NONE) { + grpc_exec_ctx_sched(exec_ctx, bs->next_action.on_complete, + GRPC_ERROR_REF(bs->error), NULL); } else { - bs->on_next = arg->on_complete; - bs->next = arg->slice; + bs->on_next = bs->next_action.on_complete; + bs->next = bs->next_action.slice; } + gpr_mu_unlock(&bs->slice_mu); incoming_byte_stream_unref(exec_ctx, bs); } @@ -2268,13 +2177,18 @@ static int incoming_byte_stream_next(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream, gpr_slice *slice, 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; - incoming_byte_stream_next_arg arg = {bs, slice, max_size_hint, on_complete}; gpr_ref(&bs->refs); - grpc_chttp2_run_with_global_lock(exec_ctx, bs->transport, bs->stream, - incoming_byte_stream_next_locked, &arg, - sizeof(arg)); + bs->next_action.slice = slice; + bs->next_action.max_size_hint = max_size_hint; + bs->next_action.on_complete = on_complete; + grpc_closure_init(&bs->next_action.closure, incoming_byte_stream_next_locked, + bs); + grpc_combiner_execute(exec_ctx, bs->transport->executor.combiner, + &bs->next_action.closure, GRPC_ERROR_NONE); + GPR_TIMER_END("incoming_byte_stream_next", 0); return 0; } @@ -2282,9 +2196,8 @@ static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream); static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *byte_stream) { + void *byte_stream, + grpc_error *error_ignored) { grpc_chttp2_incoming_byte_stream *bs = byte_stream; GPR_ASSERT(bs->base.destroy == incoming_byte_stream_destroy); decrement_active_streams_locked(exec_ctx, &bs->transport->global, @@ -2294,10 +2207,14 @@ static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream) { + GPR_TIMER_BEGIN("incoming_byte_stream_destroy", 0); grpc_chttp2_incoming_byte_stream *bs = (grpc_chttp2_incoming_byte_stream *)byte_stream; - grpc_chttp2_run_with_global_lock(exec_ctx, bs->transport, bs->stream, - incoming_byte_stream_destroy_locked, bs, 0); + grpc_closure_init(&bs->destroy_action, incoming_byte_stream_destroy_locked, + bs); + grpc_combiner_execute(exec_ctx, bs->transport->executor.combiner, + &bs->destroy_action, GRPC_ERROR_NONE); + GPR_TIMER_END("incoming_byte_stream_destroy", 0); } typedef struct { @@ -2305,90 +2222,45 @@ typedef struct { gpr_slice slice; } incoming_byte_stream_push_arg; -static void incoming_byte_stream_push_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *argp) { - incoming_byte_stream_push_arg *arg = argp; - grpc_chttp2_incoming_byte_stream *bs = arg->byte_stream; +void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, + grpc_chttp2_incoming_byte_stream *bs, + gpr_slice slice) { + gpr_mu_lock(&bs->slice_mu); if (bs->on_next != NULL) { - *bs->next = arg->slice; + *bs->next = slice; grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE, NULL); bs->on_next = NULL; } else { - gpr_slice_buffer_add(&bs->slices, arg->slice); + gpr_slice_buffer_add(&bs->slices, slice); } - incoming_byte_stream_unref(exec_ctx, bs); -} - -void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, - grpc_chttp2_incoming_byte_stream *bs, - gpr_slice slice) { - incoming_byte_stream_push_arg arg = {bs, slice}; - gpr_ref(&bs->refs); - grpc_chttp2_run_with_global_lock(exec_ctx, bs->transport, bs->stream, - incoming_byte_stream_push_locked, &arg, - sizeof(arg)); -} - -typedef struct { - grpc_chttp2_incoming_byte_stream *bs; - grpc_error *error; -} bs_fail_args; - -static bs_fail_args *make_bs_fail_args(grpc_chttp2_incoming_byte_stream *bs, - grpc_error *error) { - bs_fail_args *a = gpr_malloc(sizeof(*a)); - a->bs = bs; - a->error = error; - return a; -} - -static void incoming_byte_stream_finished_failed_locked( - grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s, - void *argp) { - bs_fail_args *a = argp; - grpc_chttp2_incoming_byte_stream *bs = a->bs; - grpc_error *error = a->error; - gpr_free(a); - grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error), NULL); - bs->on_next = NULL; - GRPC_ERROR_UNREF(bs->error); - bs->error = error; - incoming_byte_stream_unref(exec_ctx, bs); + gpr_mu_unlock(&bs->slice_mu); } -static void incoming_byte_stream_finished_ok_locked(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, - void *argp) { - grpc_chttp2_incoming_byte_stream *bs = argp; +static void incoming_byte_stream_finished_locked(grpc_exec_ctx *exec_ctx, + void *bsp, grpc_error *error) { + grpc_chttp2_incoming_byte_stream *bs = bsp; + if (error != GRPC_ERROR_NONE) { + grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error), NULL); + bs->on_next = NULL; + GRPC_ERROR_UNREF(bs->error); + bs->error = error; + } incoming_byte_stream_unref(exec_ctx, bs); } void grpc_chttp2_incoming_byte_stream_finished( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, grpc_error *error, int from_parsing_thread) { + GPR_TIMER_BEGIN("grpc_chttp2_incoming_byte_stream_finished", 0); if (from_parsing_thread) { - if (error == GRPC_ERROR_NONE) { - grpc_chttp2_run_with_global_lock(exec_ctx, bs->transport, bs->stream, - incoming_byte_stream_finished_ok_locked, - bs, 0); - } else { - grpc_chttp2_run_with_global_lock( - exec_ctx, bs->transport, bs->stream, - incoming_byte_stream_finished_failed_locked, - make_bs_fail_args(bs, error), 0); - } + grpc_closure_init(&bs->finished_action, + incoming_byte_stream_finished_locked, bs); + grpc_combiner_execute(exec_ctx, bs->transport->executor.combiner, + &bs->finished_action, GRPC_ERROR_REF(error)); } else { - if (error == GRPC_ERROR_NONE) { - incoming_byte_stream_finished_ok_locked(exec_ctx, bs->transport, - bs->stream, bs); - } else { - incoming_byte_stream_finished_failed_locked( - exec_ctx, bs->transport, bs->stream, make_bs_fail_args(bs, error)); - } + incoming_byte_stream_finished_locked(exec_ctx, bs, error); } + GPR_TIMER_END("grpc_chttp2_incoming_byte_stream_finished", 0); } grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create( @@ -2401,6 +2273,7 @@ grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create( incoming_byte_stream->base.flags = flags; incoming_byte_stream->base.next = incoming_byte_stream_next; 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 = TRANSPORT_FROM_PARSING(transport_parsing); diff --git a/src/core/ext/transport/chttp2/transport/frame.h b/src/core/ext/transport/chttp2/transport/frame.h index 7776609367..507aae4100 100644 --- a/src/core/ext/transport/chttp2/transport/frame.h +++ b/src/core/ext/transport/chttp2/transport/frame.h @@ -52,8 +52,6 @@ typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing; #define GRPC_CHTTP2_FRAME_GOAWAY 7 #define GRPC_CHTTP2_FRAME_WINDOW_UPDATE 8 -#define GRPC_CHTTP2_MAX_PAYLOAD_LENGTH ((1 << 14) - 1) - #define GRPC_CHTTP2_DATA_FLAG_END_STREAM 1 #define GRPC_CHTTP2_FLAG_ACK 1 #define GRPC_CHTTP2_DATA_FLAG_END_HEADERS 4 diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c index 2cb8205d94..581471ba02 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c @@ -78,6 +78,8 @@ typedef struct { uint32_t stream_id; gpr_slice_buffer *output; grpc_transport_one_way_stats *stats; + /* maximum size of a frame */ + size_t max_frame_size; } framer_state; /* fills p (which is expected to be 9 bytes long) with a data frame header */ @@ -123,7 +125,7 @@ static void begin_frame(framer_state *st) { needed */ static void ensure_space(framer_state *st, size_t need_bytes) { if (st->output->length - st->output_length_at_start_of_frame + need_bytes <= - GRPC_CHTTP2_MAX_PAYLOAD_LENGTH) { + st->max_frame_size) { return; } finish_frame(st, 0, 0); @@ -149,8 +151,8 @@ static void add_header_data(framer_state *st, gpr_slice slice) { size_t len = GPR_SLICE_LENGTH(slice); size_t remaining; if (len == 0) return; - remaining = GRPC_CHTTP2_MAX_PAYLOAD_LENGTH + - st->output_length_at_start_of_frame - st->output->length; + remaining = st->max_frame_size + st->output_length_at_start_of_frame - + st->output->length; if (len <= remaining) { st->stats->header_bytes += len; gpr_slice_buffer_add(st->output, slice); @@ -542,6 +544,7 @@ void grpc_chttp2_hpack_compressor_set_max_table_size( void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t stream_id, grpc_metadata_batch *metadata, int is_eof, + size_t max_frame_size, grpc_transport_one_way_stats *stats, gpr_slice_buffer *outbuf) { framer_state st; @@ -555,6 +558,7 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, st.output = outbuf; st.is_first_frame = 1; st.stats = stats; + st.max_frame_size = max_frame_size; /* Encode a metadata batch; store the returned values, representing a metadata element that needs to be unreffed back into the metadata diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h index 0f7b0b063a..4c3a931549 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.h +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h @@ -91,6 +91,7 @@ void grpc_chttp2_hpack_compressor_set_max_usable_size( void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t id, grpc_metadata_batch *metadata, int is_eof, + size_t max_frame_size, grpc_transport_one_way_stats *stats, gpr_slice_buffer *outbuf); diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index e1dcf5262a..04b788b702 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -48,6 +48,7 @@ #include "src/core/ext/transport/chttp2/transport/hpack_parser.h" #include "src/core/ext/transport/chttp2/transport/incoming_metadata.h" #include "src/core/ext/transport/chttp2/transport/stream_map.h" +#include "src/core/lib/iomgr/combiner.h" #include "src/core/lib/iomgr/endpoint.h" #include "src/core/lib/transport/connectivity_state.h" #include "src/core/lib/transport/transport_impl.h" @@ -161,9 +162,20 @@ struct grpc_chttp2_incoming_byte_stream { grpc_chttp2_transport *transport; grpc_chttp2_stream *stream; int is_tail; + + gpr_mu slice_mu; // protects slices, on_next gpr_slice_buffer slices; grpc_closure *on_next; gpr_slice *next; + + struct { + grpc_closure closure; + gpr_slice *slice; + size_t max_size_hint; + grpc_closure *on_complete; + } next_action; + grpc_closure destroy_action; + grpc_closure finished_action; }; typedef struct { @@ -223,6 +235,8 @@ typedef struct { uint8_t is_client; /** callback for when writing is done */ grpc_closure done_cb; + /** maximum frame size */ + uint32_t max_frame_size; } grpc_chttp2_transport_writing; struct grpc_chttp2_transport_parsing { @@ -294,23 +308,11 @@ struct grpc_chttp2_transport_parsing { int64_t outgoing_window; }; -typedef void (*grpc_chttp2_locked_action)(grpc_exec_ctx *ctx, - grpc_chttp2_transport *t, - grpc_chttp2_stream *s, void *arg); - -typedef struct grpc_chttp2_executor_action_header { - grpc_chttp2_stream *stream; - grpc_chttp2_locked_action action; - struct grpc_chttp2_executor_action_header *next; - void *arg; -} grpc_chttp2_executor_action_header; - typedef enum { + /** no writing activity allowed */ + GRPC_CHTTP2_WRITES_CORKED, /** no writing activity */ GRPC_CHTTP2_WRITING_INACTIVE, - /** write has been requested, but not scheduled yet */ - GRPC_CHTTP2_WRITE_REQUESTED_WITH_POLLER, - GRPC_CHTTP2_WRITE_REQUESTED_NO_POLLER, /** write has been requested and scheduled against the workqueue */ GRPC_CHTTP2_WRITE_SCHEDULED, /** write has been initiated after being reaped from the workqueue */ @@ -331,7 +333,7 @@ struct grpc_chttp2_transport { gpr_refcount shutdown_ep_refs; struct { - gpr_mu mu; + grpc_combiner *combiner; /** is a thread currently in the global lock */ bool global_active; @@ -339,9 +341,8 @@ struct grpc_chttp2_transport { bool parsing_active; /** write execution state of the transport */ grpc_chttp2_write_state write_state; - - grpc_chttp2_executor_action_header *pending_actions_head; - grpc_chttp2_executor_action_header *pending_actions_tail; + /** has a check_read_ops been scheduled */ + bool check_read_ops_scheduled; } executor; /** is the transport destroying itself? */ @@ -378,10 +379,16 @@ struct grpc_chttp2_transport { grpc_closure writing_action; /** closure to start reading from the endpoint */ grpc_closure reading_action; + grpc_closure reading_action_locked; + grpc_closure post_parse_locked; /** closure to actually do parsing */ grpc_closure parsing_action; /** closure to initiate writing */ grpc_closure initiate_writing; + /** closure to finish writing */ + grpc_closure terminate_writing; + /** closure to flush read state up the stack */ + grpc_closure initiate_read_flush_locked; /** incoming read bytes */ gpr_slice_buffer read_buffer; @@ -525,11 +532,16 @@ struct grpc_chttp2_stream_parsing { }; struct grpc_chttp2_stream { + grpc_chttp2_transport *t; grpc_stream_refcount *refcount; grpc_chttp2_stream_global global; grpc_chttp2_stream_writing writing; grpc_chttp2_stream_parsing parsing; + grpc_closure init_stream; + grpc_closure destroy_stream; + void *destroy_stream_arg; + grpc_chttp2_stream_link links[STREAM_LIST_COUNT]; uint8_t included[STREAM_LIST_COUNT]; }; @@ -624,7 +636,7 @@ int grpc_chttp2_list_pop_waiting_for_concurrency( grpc_chttp2_stream_global **stream_global); void grpc_chttp2_list_add_check_read_ops( - grpc_chttp2_transport_global *transport_global, + grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_stream_global *stream_global); bool grpc_chttp2_list_remove_check_read_ops( grpc_chttp2_transport_global *transport_global, @@ -704,12 +716,6 @@ void grpc_chttp2_complete_closure_step( grpc_chttp2_stream_global *stream_global, grpc_closure **pclosure, grpc_error *error); -void grpc_chttp2_run_with_global_lock(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *transport, - grpc_chttp2_stream *optional_stream, - grpc_chttp2_locked_action action, - void *arg, size_t sizeof_arg); - #define GRPC_CHTTP2_CLIENT_CONNECT_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" #define GRPC_CHTTP2_CLIENT_CONNECT_STRLEN \ (sizeof(GRPC_CHTTP2_CLIENT_CONNECT_STRING) - 1) diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index 482cd55c44..0e6d579ba9 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -177,7 +177,8 @@ void grpc_chttp2_publish_reads( stream_global->seen_error = true; stream_global->exceeded_metadata_size = stream_parsing->exceeded_metadata_size; - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } /* flush stats to global stream state */ @@ -203,7 +204,8 @@ void grpc_chttp2_publish_reads( stream_global->incoming_frames.tail->is_tail = 0; } if (stream_parsing->data_parser.incoming_frames.head != NULL) { - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } grpc_chttp2_incoming_frame_queue_merge( &stream_global->incoming_frames, @@ -219,7 +221,8 @@ void grpc_chttp2_publish_reads( GPR_SWAP(grpc_chttp2_incoming_metadata_buffer, stream_parsing->metadata_buffer[0], stream_global->received_initial_metadata); - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (!stream_global->published_trailing_metadata && stream_parsing->got_metadata_on_parse[1]) { @@ -228,7 +231,8 @@ void grpc_chttp2_publish_reads( GPR_SWAP(grpc_chttp2_incoming_metadata_buffer, stream_parsing->metadata_buffer[1], stream_global->received_trailing_metadata); - grpc_chttp2_list_add_check_read_ops(transport_global, stream_global); + grpc_chttp2_list_add_check_read_ops(exec_ctx, transport_global, + stream_global); } if (stream_parsing->forced_close_error != GRPC_ERROR_NONE) { diff --git a/src/core/ext/transport/chttp2/transport/stream_lists.c b/src/core/ext/transport/chttp2/transport/stream_lists.c index 2eb5f5f632..4dc4968248 100644 --- a/src/core/ext/transport/chttp2/transport/stream_lists.c +++ b/src/core/ext/transport/chttp2/transport/stream_lists.c @@ -298,8 +298,15 @@ int grpc_chttp2_list_pop_waiting_for_concurrency( } void grpc_chttp2_list_add_check_read_ops( - grpc_chttp2_transport_global *transport_global, + grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_stream_global *stream_global) { + grpc_chttp2_transport *t = TRANSPORT_FROM_GLOBAL(transport_global); + if (!t->executor.check_read_ops_scheduled) { + grpc_combiner_execute_finally(exec_ctx, t->executor.combiner, + &t->initiate_read_flush_locked, + GRPC_ERROR_NONE, false); + t->executor.check_read_ops_scheduled = true; + } stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global), STREAM_FROM_GLOBAL(stream_global), GRPC_CHTTP2_LIST_CHECK_READ_OPS); diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c index 8f7a1f55c6..979515bd54 100644 --- a/src/core/ext/transport/chttp2/transport/writing.c +++ b/src/core/ext/transport/chttp2/transport/writing.c @@ -51,14 +51,9 @@ int grpc_chttp2_unlocking_check_writes( GPR_TIMER_BEGIN("grpc_chttp2_unlocking_check_writes", 0); - /* simple writes are queued to qbuf, and flushed here */ - gpr_slice_buffer_swap(&transport_global->qbuf, &transport_writing->outbuf); - GPR_ASSERT(transport_global->qbuf.count == 0); - - grpc_chttp2_hpack_compressor_set_max_table_size( - &transport_writing->hpack_compressor, - transport_global->settings[GRPC_PEER_SETTINGS] - [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE]); + transport_writing->max_frame_size = + transport_global->settings[GRPC_ACKED_SETTINGS] + [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE]; if (transport_global->dirtied_local_settings && !transport_global->sent_local_settings) { @@ -73,6 +68,16 @@ int grpc_chttp2_unlocking_check_writes( transport_global->sent_local_settings = 1; } + /* simple writes are queued to qbuf, and flushed here */ + gpr_slice_buffer_move_into(&transport_global->qbuf, + &transport_writing->outbuf); + GPR_ASSERT(transport_global->qbuf.count == 0); + + grpc_chttp2_hpack_compressor_set_max_table_size( + &transport_writing->hpack_compressor, + transport_global->settings[GRPC_PEER_SETTINGS] + [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE]); + GRPC_CHTTP2_FLOW_MOVE_TRANSPORT("write", transport_writing, outgoing_window, transport_global, outgoing_window); if (transport_writing->outgoing_window > 0) { @@ -206,14 +211,15 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx, while ( grpc_chttp2_list_pop_writing_stream(transport_writing, &stream_writing)) { uint32_t max_outgoing = - (uint32_t)GPR_MIN(GRPC_CHTTP2_MAX_PAYLOAD_LENGTH, + (uint32_t)GPR_MIN(transport_writing->max_frame_size, GPR_MIN(stream_writing->outgoing_window, transport_writing->outgoing_window)); /* send initial metadata if it's available */ if (stream_writing->send_initial_metadata != NULL) { grpc_chttp2_encode_header( &transport_writing->hpack_compressor, stream_writing->id, - stream_writing->send_initial_metadata, 0, &stream_writing->stats, + stream_writing->send_initial_metadata, 0, + transport_writing->max_frame_size, &stream_writing->stats, &transport_writing->outbuf); stream_writing->send_initial_metadata = NULL; stream_writing->sent_initial_metadata = 1; @@ -303,7 +309,8 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx, } else { grpc_chttp2_encode_header( &transport_writing->hpack_compressor, stream_writing->id, - stream_writing->send_trailing_metadata, 1, &stream_writing->stats, + stream_writing->send_trailing_metadata, 1, + transport_writing->max_frame_size, &stream_writing->stats, &transport_writing->outbuf); } if (!transport_writing->is_client && !stream_writing->read_closed) { @@ -338,6 +345,7 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx, void grpc_chttp2_cleanup_writing( grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global, grpc_chttp2_transport_writing *transport_writing) { + GPR_TIMER_BEGIN("grpc_chttp2_cleanup_writing", 0); grpc_chttp2_stream_writing *stream_writing; grpc_chttp2_stream_global *stream_global; @@ -376,4 +384,5 @@ void grpc_chttp2_cleanup_writing( GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2_writing"); } gpr_slice_buffer_reset_and_unref(&transport_writing->outbuf); + GPR_TIMER_END("grpc_chttp2_cleanup_writing", 0); } |