diff options
Diffstat (limited to 'src/core/ext/transport/chttp2/transport/chttp2_transport.cc')
| -rw-r--r-- | src/core/ext/transport/chttp2/transport/chttp2_transport.cc | 790 |
1 files changed, 425 insertions, 365 deletions
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc index 8e07e3e4f9..da29ff1b37 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc @@ -54,6 +54,7 @@ #include "src/core/lib/transport/timeout_encoding.h" #include "src/core/lib/transport/transport.h" #include "src/core/lib/transport/transport_impl.h" +#include "src/core/lib/uri/uri_parser.h" #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024) #define MAX_WINDOW 0x7fffffffu @@ -155,51 +156,55 @@ bool g_flow_control_enabled = true; * CONSTRUCTION/DESTRUCTION/REFCOUNTING */ -static void destruct_transport(grpc_chttp2_transport* t) { +grpc_chttp2_transport::~grpc_chttp2_transport() { gpr_log(GPR_INFO, "destruct transport %p", t); size_t i; - grpc_endpoint_destroy(t->ep); + if (channelz_socket != nullptr) { + channelz_socket.reset(); + } + + grpc_endpoint_destroy(ep); - grpc_slice_buffer_destroy_internal(&t->qbuf); + grpc_slice_buffer_destroy_internal(&qbuf); - grpc_slice_buffer_destroy_internal(&t->outbuf); - grpc_chttp2_hpack_compressor_destroy(&t->hpack_compressor); + grpc_slice_buffer_destroy_internal(&outbuf); + grpc_chttp2_hpack_compressor_destroy(&hpack_compressor); - grpc_core::ContextList::Execute(t->cl, nullptr, GRPC_ERROR_NONE); + grpc_core::ContextList::Execute(cl, nullptr, GRPC_ERROR_NONE); + grpc_slice_buffer_destroy_internal(&read_buffer); + grpc_chttp2_hpack_parser_destroy(&hpack_parser); + grpc_chttp2_goaway_parser_destroy(&goaway_parser); - grpc_slice_buffer_destroy_internal(&t->read_buffer); - grpc_chttp2_hpack_parser_destroy(&t->hpack_parser); - grpc_chttp2_goaway_parser_destroy(&t->goaway_parser); for (i = 0; i < STREAM_LIST_COUNT; i++) { - GPR_ASSERT(t->lists[i].head == nullptr); - GPR_ASSERT(t->lists[i].tail == nullptr); + GPR_ASSERT(lists[i].head == nullptr); + GPR_ASSERT(lists[i].tail == nullptr); } - GRPC_ERROR_UNREF(t->goaway_error); + GRPC_ERROR_UNREF(goaway_error); - GPR_ASSERT(grpc_chttp2_stream_map_size(&t->stream_map) == 0); + GPR_ASSERT(grpc_chttp2_stream_map_size(&stream_map) == 0); - grpc_chttp2_stream_map_destroy(&t->stream_map); - grpc_connectivity_state_destroy(&t->channel_callback.state_tracker); + grpc_chttp2_stream_map_destroy(&stream_map); + grpc_connectivity_state_destroy(&channel_callback.state_tracker); - GRPC_COMBINER_UNREF(t->combiner, "chttp2_transport"); + GRPC_COMBINER_UNREF(combiner, "chttp2_transport"); - cancel_pings(t, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Transport destroyed")); + cancel_pings(this, + GRPC_ERROR_CREATE_FROM_STATIC_STRING("Transport destroyed")); - while (t->write_cb_pool) { - grpc_chttp2_write_cb* next = t->write_cb_pool->next; - gpr_free(t->write_cb_pool); - t->write_cb_pool = next; + while (write_cb_pool) { + grpc_chttp2_write_cb* next = write_cb_pool->next; + gpr_free(write_cb_pool); + write_cb_pool = next; } - t->flow_control.Destroy(); + flow_control.Destroy(); - GRPC_ERROR_UNREF(t->closed_with_error); - gpr_free(t->ping_acks); - gpr_free(t->peer_string); - gpr_free(t); + GRPC_ERROR_UNREF(closed_with_error); + gpr_free(ping_acks); + gpr_free(peer_string); } #ifndef NDEBUG @@ -211,7 +216,8 @@ void grpc_chttp2_unref_transport(grpc_chttp2_transport* t, const char* reason, t, val, val - 1, reason, file, line); } if (!gpr_unref(&t->refs)) return; - destruct_transport(t); + t->~grpc_chttp2_transport(); + gpr_free(t); } void grpc_chttp2_ref_transport(grpc_chttp2_transport* t, const char* reason, @@ -226,7 +232,8 @@ void grpc_chttp2_ref_transport(grpc_chttp2_transport* t, const char* reason, #else void grpc_chttp2_unref_transport(grpc_chttp2_transport* t) { if (!gpr_unref(&t->refs)) return; - destruct_transport(t); + t->~grpc_chttp2_transport(); + gpr_free(t); } void grpc_chttp2_ref_transport(grpc_chttp2_transport* t) { gpr_ref(&t->refs); } @@ -234,35 +241,178 @@ void grpc_chttp2_ref_transport(grpc_chttp2_transport* t) { gpr_ref(&t->refs); } static const grpc_transport_vtable* get_vtable(void); -static void init_transport(grpc_chttp2_transport* t, - const grpc_channel_args* channel_args, - grpc_endpoint* ep, bool is_client) { +/* Returns whether bdp is enabled */ +static bool read_channel_args(grpc_chttp2_transport* t, + const grpc_channel_args* channel_args, + bool is_client) { + bool enable_bdp = true; + bool channelz_enabled = GRPC_ENABLE_CHANNELZ_DEFAULT; size_t i; int j; - GPR_ASSERT(strlen(GRPC_CHTTP2_CLIENT_CONNECT_STRING) == - GRPC_CHTTP2_CLIENT_CONNECT_STRLEN); - - t->base.vtable = get_vtable(); - t->ep = ep; - /* one ref is for destroy */ - gpr_ref_init(&t->refs, 1); - t->combiner = grpc_combiner_create(); - t->peer_string = grpc_endpoint_get_peer(ep); - t->endpoint_reading = 1; - t->next_stream_id = is_client ? 1 : 2; - t->is_client = is_client; - t->deframe_state = is_client ? GRPC_DTS_FH_0 : GRPC_DTS_CLIENT_PREFIX_0; - t->is_first_frame = true; - grpc_connectivity_state_init( - &t->channel_callback.state_tracker, GRPC_CHANNEL_READY, - is_client ? "client_transport" : "server_transport"); - - grpc_slice_buffer_init(&t->qbuf); - - grpc_slice_buffer_init(&t->outbuf); - grpc_chttp2_hpack_compressor_init(&t->hpack_compressor); + for (i = 0; i < channel_args->num_args; i++) { + if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER)) { + 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->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->next_stream_id & 1, + is_client ? "client" : "server"); + } else { + t->next_stream_id = static_cast<uint32_t>(value); + } + } + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER)) { + 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->hpack_compressor, static_cast<uint32_t>(value)); + } + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA)) { + t->ping_policy.max_pings_without_data = grpc_channel_arg_get_integer( + &channel_args->args[i], + {g_default_max_pings_without_data, 0, INT_MAX}); + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_MAX_PING_STRIKES)) { + t->ping_policy.max_ping_strikes = grpc_channel_arg_get_integer( + &channel_args->args[i], {g_default_max_ping_strikes, 0, INT_MAX}); + } else if (0 == + strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_MIN_SENT_PING_INTERVAL_WITHOUT_DATA_MS)) { + t->ping_policy.min_sent_ping_interval_without_data = + grpc_channel_arg_get_integer( + &channel_args->args[i], + grpc_integer_options{ + g_default_min_sent_ping_interval_without_data_ms, 0, + INT_MAX}); + } else if (0 == + strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_MIN_RECV_PING_INTERVAL_WITHOUT_DATA_MS)) { + t->ping_policy.min_recv_ping_interval_without_data = + grpc_channel_arg_get_integer( + &channel_args->args[i], + grpc_integer_options{ + g_default_min_recv_ping_interval_without_data_ms, 0, + INT_MAX}); + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_WRITE_BUFFER_SIZE)) { + t->write_buffer_size = static_cast<uint32_t>(grpc_channel_arg_get_integer( + &channel_args->args[i], {0, 0, MAX_WRITE_BUFFER_SIZE})); + } else if (0 == + strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_BDP_PROBE)) { + enable_bdp = grpc_channel_arg_get_bool(&channel_args->args[i], true); + } else if (0 == + strcmp(channel_args->args[i].key, GRPC_ARG_KEEPALIVE_TIME_MS)) { + const int value = grpc_channel_arg_get_integer( + &channel_args->args[i], + grpc_integer_options{t->is_client + ? g_default_client_keepalive_time_ms + : g_default_server_keepalive_time_ms, + 1, INT_MAX}); + t->keepalive_time = value == INT_MAX ? GRPC_MILLIS_INF_FUTURE : value; + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_KEEPALIVE_TIMEOUT_MS)) { + const int value = grpc_channel_arg_get_integer( + &channel_args->args[i], + grpc_integer_options{t->is_client + ? g_default_client_keepalive_timeout_ms + : g_default_server_keepalive_timeout_ms, + 0, INT_MAX}); + t->keepalive_timeout = value == INT_MAX ? GRPC_MILLIS_INF_FUTURE : value; + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS)) { + t->keepalive_permit_without_calls = static_cast<uint32_t>( + grpc_channel_arg_get_integer(&channel_args->args[i], {0, 0, 1})); + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_OPTIMIZATION_TARGET)) { + if (channel_args->args[i].type != GRPC_ARG_STRING) { + gpr_log(GPR_ERROR, "%s should be a string", + GRPC_ARG_OPTIMIZATION_TARGET); + } else if (0 == strcmp(channel_args->args[i].value.string, "blend")) { + t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_LATENCY; + } else if (0 == strcmp(channel_args->args[i].value.string, "latency")) { + t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_LATENCY; + } else if (0 == + strcmp(channel_args->args[i].value.string, "throughput")) { + t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_THROUGHPUT; + } else { + gpr_log(GPR_ERROR, "%s value '%s' unknown, assuming 'blend'", + GRPC_ARG_OPTIMIZATION_TARGET, + channel_args->args[i].value.string); + } + } else if (0 == + strcmp(channel_args->args[i].key, GRPC_ARG_ENABLE_CHANNELZ)) { + channelz_enabled = grpc_channel_arg_get_bool( + &channel_args->args[i], GRPC_ENABLE_CHANNELZ_DEFAULT); + } else { + static const struct { + const char* channel_arg_name; + grpc_chttp2_setting_id setting_id; + grpc_integer_options integer_options; + bool availability[2] /* server, client */; + } settings_map[] = {{GRPC_ARG_MAX_CONCURRENT_STREAMS, + GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, + {-1, 0, INT32_MAX}, + {true, false}}, + {GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER, + GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE, + {-1, 0, INT32_MAX}, + {true, true}}, + {GRPC_ARG_MAX_METADATA_SIZE, + GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, + {-1, 0, INT32_MAX}, + {true, true}}, + {GRPC_ARG_HTTP2_MAX_FRAME_SIZE, + GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE, + {-1, 16384, 16777215}, + {true, true}}, + {GRPC_ARG_HTTP2_ENABLE_TRUE_BINARY, + GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA, + {1, 0, 1}, + {true, true}}, + {GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES, + GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, + {-1, 5, INT32_MAX}, + {true, true}}}; + for (j = 0; j < static_cast<int> GPR_ARRAY_SIZE(settings_map); j++) { + if (0 == strcmp(channel_args->args[i].key, + settings_map[j].channel_arg_name)) { + if (!settings_map[j].availability[is_client]) { + gpr_log(GPR_DEBUG, "%s is not available on %s", + settings_map[j].channel_arg_name, + is_client ? "clients" : "servers"); + } else { + int value = grpc_channel_arg_get_integer( + &channel_args->args[i], settings_map[j].integer_options); + if (value >= 0) { + queue_setting_update(t, settings_map[j].setting_id, + static_cast<uint32_t>(value)); + } + } + break; + } + } + } + } + if (channelz_enabled) { + // TODO(ncteisen): add an API to endpoint to query for local addr, and pass + // it in here, so SocketNode knows its own address. + t->channelz_socket = + grpc_core::MakeRefCounted<grpc_core::channelz::SocketNode>( + grpc_core::UniquePtr<char>(), + grpc_core::UniquePtr<char>(gpr_strdup(t->peer_string))); + } + return enable_bdp; +} +static void init_transport_closures(grpc_chttp2_transport* t) { GRPC_CLOSURE_INIT(&t->read_action_locked, read_action_locked, t, grpc_combiner_scheduler(t->combiner)); GRPC_CLOSURE_INIT(&t->benign_reclaimer_locked, benign_reclaimer_locked, t, @@ -290,56 +440,9 @@ static void init_transport(grpc_chttp2_transport* t, GRPC_CLOSURE_INIT(&t->keepalive_watchdog_fired_locked, keepalive_watchdog_fired_locked, t, grpc_combiner_scheduler(t->combiner)); +} - t->goaway_error = GRPC_ERROR_NONE; - grpc_chttp2_goaway_parser_init(&t->goaway_parser); - grpc_chttp2_hpack_parser_init(&t->hpack_parser); - - grpc_slice_buffer_init(&t->read_buffer); - - /* 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 - needed. - TODO(ctiller): tune this */ - grpc_chttp2_stream_map_init(&t->stream_map, 8); - - /* copy in initial settings to all setting sets */ - for (i = 0; i < GRPC_CHTTP2_NUM_SETTINGS; i++) { - for (j = 0; j < GRPC_NUM_SETTING_SETS; j++) { - t->settings[j][i] = grpc_chttp2_settings_parameters[i].default_value; - } - } - t->dirtied_local_settings = 1; - /* Hack: it's common for implementations to assume 65536 bytes initial send - window -- this should by rights be 0 */ - t->force_send_settings = 1 << GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; - t->sent_local_settings = 0; - t->write_buffer_size = grpc_core::chttp2::kDefaultWindow; - - if (is_client) { - grpc_slice_buffer_add(&t->outbuf, grpc_slice_from_copied_string( - GRPC_CHTTP2_CLIENT_CONNECT_STRING)); - } - - /* configure http2 the way we like it */ - if (is_client) { - queue_setting_update(t, GRPC_CHTTP2_SETTINGS_ENABLE_PUSH, 0); - queue_setting_update(t, GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 0); - } - queue_setting_update(t, GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, - DEFAULT_MAX_HEADER_LIST_SIZE); - queue_setting_update(t, GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA, - 1); - - t->ping_policy.max_pings_without_data = g_default_max_pings_without_data; - t->ping_policy.min_sent_ping_interval_without_data = - g_default_min_sent_ping_interval_without_data_ms; - t->ping_policy.max_ping_strikes = g_default_max_ping_strikes; - t->ping_policy.min_recv_ping_interval_without_data = - g_default_min_recv_ping_interval_without_data_ms; - - /* Keepalive setting */ +static void init_transport_keepalive_settings(grpc_chttp2_transport* t) { if (t->is_client) { t->keepalive_time = g_default_client_keepalive_time_ms == INT_MAX ? GRPC_MILLIS_INF_FUTURE @@ -359,205 +462,122 @@ static void init_transport(grpc_chttp2_transport* t, t->keepalive_permit_without_calls = g_default_server_keepalive_permit_without_calls; } +} - t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_LATENCY; +static void configure_transport_ping_policy(grpc_chttp2_transport* t) { + t->ping_policy.max_pings_without_data = g_default_max_pings_without_data; + t->ping_policy.min_sent_ping_interval_without_data = + g_default_min_sent_ping_interval_without_data_ms; + t->ping_policy.max_ping_strikes = g_default_max_ping_strikes; + t->ping_policy.min_recv_ping_interval_without_data = + g_default_min_recv_ping_interval_without_data_ms; +} - bool enable_bdp = true; +static void init_keepalive_pings_if_enabled(grpc_chttp2_transport* t) { + if (t->keepalive_time != GRPC_MILLIS_INF_FUTURE) { + t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_WAITING; + GRPC_CHTTP2_REF_TRANSPORT(t, "init keepalive ping"); + grpc_timer_init(&t->keepalive_ping_timer, + grpc_core::ExecCtx::Get()->Now() + t->keepalive_time, + &t->init_keepalive_ping_locked); + } else { + /* Use GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED to indicate there are no + inflight keeaplive timers */ + t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED; + } +} - if (channel_args) { - for (i = 0; i < channel_args->num_args; i++) { - if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER)) { - 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->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->next_stream_id & 1, is_client ? "client" : "server"); - } else { - t->next_stream_id = static_cast<uint32_t>(value); - } - } - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER)) { - 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->hpack_compressor, static_cast<uint32_t>(value)); - } - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA)) { - t->ping_policy.max_pings_without_data = grpc_channel_arg_get_integer( - &channel_args->args[i], - {g_default_max_pings_without_data, 0, INT_MAX}); - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_MAX_PING_STRIKES)) { - t->ping_policy.max_ping_strikes = grpc_channel_arg_get_integer( - &channel_args->args[i], {g_default_max_ping_strikes, 0, INT_MAX}); - } else if (0 == - strcmp( - channel_args->args[i].key, - GRPC_ARG_HTTP2_MIN_SENT_PING_INTERVAL_WITHOUT_DATA_MS)) { - t->ping_policy.min_sent_ping_interval_without_data = - grpc_channel_arg_get_integer( - &channel_args->args[i], - grpc_integer_options{ - g_default_min_sent_ping_interval_without_data_ms, 0, - INT_MAX}); - } else if (0 == - strcmp( - channel_args->args[i].key, - GRPC_ARG_HTTP2_MIN_RECV_PING_INTERVAL_WITHOUT_DATA_MS)) { - t->ping_policy.min_recv_ping_interval_without_data = - grpc_channel_arg_get_integer( - &channel_args->args[i], - grpc_integer_options{ - g_default_min_recv_ping_interval_without_data_ms, 0, - INT_MAX}); - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_HTTP2_WRITE_BUFFER_SIZE)) { - t->write_buffer_size = - static_cast<uint32_t>(grpc_channel_arg_get_integer( - &channel_args->args[i], {0, 0, MAX_WRITE_BUFFER_SIZE})); - } else if (0 == - strcmp(channel_args->args[i].key, GRPC_ARG_HTTP2_BDP_PROBE)) { - enable_bdp = grpc_channel_arg_get_bool(&channel_args->args[i], true); - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_KEEPALIVE_TIME_MS)) { - const int value = grpc_channel_arg_get_integer( - &channel_args->args[i], - grpc_integer_options{t->is_client - ? g_default_client_keepalive_time_ms - : g_default_server_keepalive_time_ms, - 1, INT_MAX}); - t->keepalive_time = value == INT_MAX ? GRPC_MILLIS_INF_FUTURE : value; - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_KEEPALIVE_TIMEOUT_MS)) { - const int value = grpc_channel_arg_get_integer( - &channel_args->args[i], - grpc_integer_options{t->is_client - ? g_default_client_keepalive_timeout_ms - : g_default_server_keepalive_timeout_ms, - 0, INT_MAX}); - t->keepalive_timeout = - value == INT_MAX ? GRPC_MILLIS_INF_FUTURE : value; - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS)) { - t->keepalive_permit_without_calls = static_cast<uint32_t>( - grpc_channel_arg_get_integer(&channel_args->args[i], {0, 0, 1})); - } else if (0 == strcmp(channel_args->args[i].key, - GRPC_ARG_OPTIMIZATION_TARGET)) { - if (channel_args->args[i].type != GRPC_ARG_STRING) { - gpr_log(GPR_ERROR, "%s should be a string", - GRPC_ARG_OPTIMIZATION_TARGET); - } else if (0 == strcmp(channel_args->args[i].value.string, "blend")) { - t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_LATENCY; - } else if (0 == strcmp(channel_args->args[i].value.string, "latency")) { - t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_LATENCY; - } else if (0 == - strcmp(channel_args->args[i].value.string, "throughput")) { - t->opt_target = GRPC_CHTTP2_OPTIMIZE_FOR_THROUGHPUT; - } else { - gpr_log(GPR_ERROR, "%s value '%s' unknown, assuming 'blend'", - GRPC_ARG_OPTIMIZATION_TARGET, - channel_args->args[i].value.string); - } - } else { - static const struct { - const char* channel_arg_name; - grpc_chttp2_setting_id setting_id; - grpc_integer_options integer_options; - bool availability[2] /* server, client */; - } settings_map[] = { - {GRPC_ARG_MAX_CONCURRENT_STREAMS, - GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, - {-1, 0, INT32_MAX}, - {true, false}}, - {GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER, - GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE, - {-1, 0, INT32_MAX}, - {true, true}}, - {GRPC_ARG_MAX_METADATA_SIZE, - GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, - {-1, 0, INT32_MAX}, - {true, true}}, - {GRPC_ARG_HTTP2_MAX_FRAME_SIZE, - GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE, - {-1, 16384, 16777215}, - {true, true}}, - {GRPC_ARG_HTTP2_ENABLE_TRUE_BINARY, - GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA, - {1, 0, 1}, - {true, true}}, - {GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES, - GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE, - {-1, 5, INT32_MAX}, - {true, true}}}; - for (j = 0; j < static_cast<int> GPR_ARRAY_SIZE(settings_map); j++) { - if (0 == strcmp(channel_args->args[i].key, - settings_map[j].channel_arg_name)) { - if (!settings_map[j].availability[is_client]) { - gpr_log(GPR_DEBUG, "%s is not available on %s", - settings_map[j].channel_arg_name, - is_client ? "clients" : "servers"); - } else { - int value = grpc_channel_arg_get_integer( - &channel_args->args[i], settings_map[j].integer_options); - if (value >= 0) { - queue_setting_update(t, settings_map[j].setting_id, - static_cast<uint32_t>(value)); - } - } - break; - } - } - } +grpc_chttp2_transport::grpc_chttp2_transport( + const grpc_channel_args* channel_args, grpc_endpoint* ep, bool is_client, + grpc_resource_user* resource_user) + : ep(ep), + peer_string(grpc_endpoint_get_peer(ep)), + resource_user(resource_user), + combiner(grpc_combiner_create()), + is_client(is_client), + next_stream_id(is_client ? 1 : 2), + deframe_state(is_client ? GRPC_DTS_FH_0 : GRPC_DTS_CLIENT_PREFIX_0) { + GPR_ASSERT(strlen(GRPC_CHTTP2_CLIENT_CONNECT_STRING) == + GRPC_CHTTP2_CLIENT_CONNECT_STRLEN); + base.vtable = get_vtable(); + /* one ref is for destroy */ + gpr_ref_init(&refs, 1); + /* 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 + needed. + TODO(ctiller): tune this */ + grpc_chttp2_stream_map_init(&stream_map, 8); + + grpc_slice_buffer_init(&read_buffer); + grpc_connectivity_state_init( + &channel_callback.state_tracker, GRPC_CHANNEL_READY, + is_client ? "client_transport" : "server_transport"); + grpc_slice_buffer_init(&outbuf); + if (is_client) { + grpc_slice_buffer_add(&outbuf, grpc_slice_from_copied_string( + GRPC_CHTTP2_CLIENT_CONNECT_STRING)); + } + grpc_chttp2_hpack_compressor_init(&hpack_compressor); + grpc_slice_buffer_init(&qbuf); + /* copy in initial settings to all setting sets */ + size_t i; + int j; + for (i = 0; i < GRPC_CHTTP2_NUM_SETTINGS; i++) { + for (j = 0; j < GRPC_NUM_SETTING_SETS; j++) { + settings[j][i] = grpc_chttp2_settings_parameters[i].default_value; } } + grpc_chttp2_hpack_parser_init(&hpack_parser); + grpc_chttp2_goaway_parser_init(&goaway_parser); + + init_transport_closures(this); + + /* configure http2 the way we like it */ + if (is_client) { + queue_setting_update(this, GRPC_CHTTP2_SETTINGS_ENABLE_PUSH, 0); + queue_setting_update(this, GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 0); + } + queue_setting_update(this, GRPC_CHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE, + DEFAULT_MAX_HEADER_LIST_SIZE); + queue_setting_update(this, + GRPC_CHTTP2_SETTINGS_GRPC_ALLOW_TRUE_BINARY_METADATA, 1); + + configure_transport_ping_policy(this); + init_transport_keepalive_settings(this); + + bool enable_bdp = true; + if (channel_args) { + enable_bdp = read_channel_args(this, channel_args, is_client); + } if (g_flow_control_enabled) { - t->flow_control.Init<grpc_core::chttp2::TransportFlowControl>(t, - enable_bdp); + flow_control.Init<grpc_core::chttp2::TransportFlowControl>(this, + enable_bdp); } else { - t->flow_control.Init<grpc_core::chttp2::TransportFlowControlDisabled>(t); + flow_control.Init<grpc_core::chttp2::TransportFlowControlDisabled>(this); enable_bdp = false; } /* No pings allowed before receiving a header or data frame. */ - t->ping_state.pings_before_data_required = 0; - t->ping_state.is_delayed_ping_timer_set = false; - t->ping_state.last_ping_sent_time = GRPC_MILLIS_INF_PAST; + ping_state.pings_before_data_required = 0; + ping_state.is_delayed_ping_timer_set = false; + ping_state.last_ping_sent_time = GRPC_MILLIS_INF_PAST; - t->ping_recv_state.last_ping_recv_time = GRPC_MILLIS_INF_PAST; - t->ping_recv_state.ping_strikes = 0; + ping_recv_state.last_ping_recv_time = GRPC_MILLIS_INF_PAST; + ping_recv_state.ping_strikes = 0; - /* Start keepalive pings */ - if (t->keepalive_time != GRPC_MILLIS_INF_FUTURE) { - t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_WAITING; - GRPC_CHTTP2_REF_TRANSPORT(t, "init keepalive ping"); - grpc_timer_init(&t->keepalive_ping_timer, - grpc_core::ExecCtx::Get()->Now() + t->keepalive_time, - &t->init_keepalive_ping_locked); - } else { - /* Use GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED to indicate there are no - inflight keeaplive timers */ - t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_DISABLED; - } + init_keepalive_pings_if_enabled(this); if (enable_bdp) { - GRPC_CHTTP2_REF_TRANSPORT(t, "bdp_ping"); - schedule_bdp_ping_locked(t); - - grpc_chttp2_act_on_flowctl_action(t->flow_control->PeriodicUpdate(), t, + GRPC_CHTTP2_REF_TRANSPORT(this, "bdp_ping"); + schedule_bdp_ping_locked(this); + grpc_chttp2_act_on_flowctl_action(flow_control->PeriodicUpdate(), this, nullptr); } - grpc_chttp2_initiate_write(t, GRPC_CHTTP2_INITIATE_WRITE_INITIAL_WRITE); - post_benign_reclaimer(t); + grpc_chttp2_initiate_write(this, GRPC_CHTTP2_INITIATE_WRITE_INITIAL_WRITE); + post_benign_reclaimer(this); } static void destroy_transport_locked(void* tp, grpc_error* error) { @@ -567,6 +587,7 @@ static void destroy_transport_locked(void* tp, grpc_error* error) { t, grpc_error_set_int( GRPC_ERROR_CREATE_FROM_STATIC_STRING("Transport destroyed"), GRPC_ERROR_INT_OCCURRED_DURING_WRITE, t->write_state)); + // Must be the last line. GRPC_CHTTP2_UNREF_TRANSPORT(t, "destroy"); } @@ -651,103 +672,108 @@ void grpc_chttp2_stream_unref(grpc_chttp2_stream* s) { } #endif -static int init_stream(grpc_transport* gt, grpc_stream* gs, - grpc_stream_refcount* refcount, const void* server_data, - gpr_arena* arena) { - GPR_TIMER_SCOPE("init_stream", 0); - grpc_chttp2_transport* t = reinterpret_cast<grpc_chttp2_transport*>(gt); - grpc_chttp2_stream* s = reinterpret_cast<grpc_chttp2_stream*>(gs); - - s->t = t; - s->refcount = refcount; +grpc_chttp2_stream::grpc_chttp2_stream(grpc_chttp2_transport* t, + grpc_stream_refcount* refcount, + const void* server_data, + gpr_arena* arena) + : t(t), refcount(refcount), metadata_buffer{{arena}, {arena}} { /* We reserve one 'active stream' that's dropped when the stream is read-closed. The others are for Chttp2IncomingByteStreams that are actively reading */ - GRPC_CHTTP2_STREAM_REF(s, "chttp2"); - - grpc_chttp2_incoming_metadata_buffer_init(&s->metadata_buffer[0], arena); - grpc_chttp2_incoming_metadata_buffer_init(&s->metadata_buffer[1], arena); - grpc_chttp2_data_parser_init(&s->data_parser); - grpc_slice_buffer_init(&s->flow_controlled_buffer); - s->deadline = GRPC_MILLIS_INF_FUTURE; - GRPC_CLOSURE_INIT(&s->complete_fetch_locked, complete_fetch_locked, s, - grpc_schedule_on_exec_ctx); - grpc_slice_buffer_init(&s->unprocessed_incoming_frames_buffer); - s->unprocessed_incoming_frames_buffer_cached_length = 0; - grpc_slice_buffer_init(&s->frame_storage); - grpc_slice_buffer_init(&s->compressed_data_buffer); - grpc_slice_buffer_init(&s->decompressed_data_buffer); - s->pending_byte_stream = false; - s->decompressed_header_bytes = 0; - GRPC_CLOSURE_INIT(&s->reset_byte_stream, reset_byte_stream, s, - grpc_combiner_scheduler(t->combiner)); - + GRPC_CHTTP2_STREAM_REF(this, "chttp2"); GRPC_CHTTP2_REF_TRANSPORT(t, "stream"); if (server_data) { - s->id = static_cast<uint32_t>((uintptr_t)server_data); - *t->accepting_stream = s; - grpc_chttp2_stream_map_add(&t->stream_map, s->id, s); + id = static_cast<uint32_t>((uintptr_t)server_data); + *t->accepting_stream = this; + grpc_chttp2_stream_map_add(&t->stream_map, id, this); post_destructive_reclaimer(t); } - if (t->flow_control->flow_control_enabled()) { - s->flow_control.Init<grpc_core::chttp2::StreamFlowControl>( + flow_control.Init<grpc_core::chttp2::StreamFlowControl>( static_cast<grpc_core::chttp2::TransportFlowControl*>( t->flow_control.get()), - s); + this); } else { - s->flow_control.Init<grpc_core::chttp2::StreamFlowControlDisabled>(); + flow_control.Init<grpc_core::chttp2::StreamFlowControlDisabled>(); } - return 0; + grpc_slice_buffer_init(&frame_storage); + grpc_slice_buffer_init(&unprocessed_incoming_frames_buffer); + grpc_slice_buffer_init(&flow_controlled_buffer); + grpc_slice_buffer_init(&compressed_data_buffer); + grpc_slice_buffer_init(&decompressed_data_buffer); + + GRPC_CLOSURE_INIT(&complete_fetch_locked, ::complete_fetch_locked, this, + grpc_schedule_on_exec_ctx); + GRPC_CLOSURE_INIT(&reset_byte_stream, ::reset_byte_stream, this, + grpc_combiner_scheduler(t->combiner)); } -static void destroy_stream_locked(void* sp, grpc_error* error) { - GPR_TIMER_SCOPE("destroy_stream", 0); - grpc_chttp2_stream* s = static_cast<grpc_chttp2_stream*>(sp); - grpc_chttp2_transport* t = s->t; +grpc_chttp2_stream::~grpc_chttp2_stream() { + if (t->channelz_socket != nullptr) { + if ((t->is_client && eos_received) || (!t->is_client && eos_sent)) { + t->channelz_socket->RecordStreamSucceeded(); + } else { + t->channelz_socket->RecordStreamFailed(); + } + } - GPR_ASSERT((s->write_closed && s->read_closed) || s->id == 0); - if (s->id != 0) { - GPR_ASSERT(grpc_chttp2_stream_map_find(&t->stream_map, s->id) == nullptr); + GPR_ASSERT((write_closed && read_closed) || id == 0); + if (id != 0) { + GPR_ASSERT(grpc_chttp2_stream_map_find(&t->stream_map, id) == nullptr); } - grpc_slice_buffer_destroy_internal(&s->unprocessed_incoming_frames_buffer); - grpc_slice_buffer_destroy_internal(&s->frame_storage); - grpc_slice_buffer_destroy_internal(&s->compressed_data_buffer); - grpc_slice_buffer_destroy_internal(&s->decompressed_data_buffer); + grpc_slice_buffer_destroy_internal(&unprocessed_incoming_frames_buffer); + grpc_slice_buffer_destroy_internal(&frame_storage); + grpc_slice_buffer_destroy_internal(&compressed_data_buffer); + grpc_slice_buffer_destroy_internal(&decompressed_data_buffer); - grpc_chttp2_list_remove_stalled_by_transport(t, s); - grpc_chttp2_list_remove_stalled_by_stream(t, s); + grpc_chttp2_list_remove_stalled_by_transport(t, this); + grpc_chttp2_list_remove_stalled_by_stream(t, this); for (int i = 0; i < STREAM_LIST_COUNT; i++) { - if (GPR_UNLIKELY(s->included[i])) { + if (GPR_UNLIKELY(included[i])) { gpr_log(GPR_ERROR, "%s stream %d still included in list %d", - t->is_client ? "client" : "server", s->id, i); + t->is_client ? "client" : "server", id, i); abort(); } } - GPR_ASSERT(s->send_initial_metadata_finished == nullptr); - GPR_ASSERT(s->fetching_send_message == nullptr); - GPR_ASSERT(s->send_trailing_metadata_finished == nullptr); - GPR_ASSERT(s->recv_initial_metadata_ready == nullptr); - GPR_ASSERT(s->recv_message_ready == nullptr); - GPR_ASSERT(s->recv_trailing_metadata_finished == nullptr); - grpc_chttp2_data_parser_destroy(&s->data_parser); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[0]); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[1]); - grpc_slice_buffer_destroy_internal(&s->flow_controlled_buffer); - GRPC_ERROR_UNREF(s->read_closed_error); - GRPC_ERROR_UNREF(s->write_closed_error); - GRPC_ERROR_UNREF(s->byte_stream_error); + GPR_ASSERT(send_initial_metadata_finished == nullptr); + GPR_ASSERT(fetching_send_message == nullptr); + GPR_ASSERT(send_trailing_metadata_finished == nullptr); + GPR_ASSERT(recv_initial_metadata_ready == nullptr); + GPR_ASSERT(recv_message_ready == nullptr); + GPR_ASSERT(recv_trailing_metadata_finished == nullptr); + grpc_slice_buffer_destroy_internal(&flow_controlled_buffer); + GRPC_ERROR_UNREF(read_closed_error); + GRPC_ERROR_UNREF(write_closed_error); + GRPC_ERROR_UNREF(byte_stream_error); + + flow_control.Destroy(); - s->flow_control.Destroy(); + if (t->resource_user != nullptr) { + grpc_resource_user_free(t->resource_user, GRPC_RESOURCE_QUOTA_CALL_SIZE); + } GRPC_CHTTP2_UNREF_TRANSPORT(t, "stream"); + GRPC_CLOSURE_SCHED(destroy_stream_arg, GRPC_ERROR_NONE); +} - GRPC_CLOSURE_SCHED(s->destroy_stream_arg, GRPC_ERROR_NONE); +static int init_stream(grpc_transport* gt, grpc_stream* gs, + grpc_stream_refcount* refcount, const void* server_data, + gpr_arena* arena) { + GPR_TIMER_SCOPE("init_stream", 0); + grpc_chttp2_transport* t = reinterpret_cast<grpc_chttp2_transport*>(gt); + new (gs) grpc_chttp2_stream(t, refcount, server_data, arena); + return 0; +} + +static void destroy_stream_locked(void* sp, grpc_error* error) { + GPR_TIMER_SCOPE("destroy_stream", 0); + grpc_chttp2_stream* s = static_cast<grpc_chttp2_stream*>(sp); + s->~grpc_chttp2_stream(); } static void destroy_stream(grpc_transport* gt, grpc_stream* gs, @@ -783,7 +809,21 @@ grpc_chttp2_stream* grpc_chttp2_parsing_accept_stream(grpc_chttp2_transport* t, if (t->channel_callback.accept_stream == nullptr) { return nullptr; } - grpc_chttp2_stream* accepting; + // Don't accept the stream if memory quota doesn't allow. Note that we should + // simply refuse the stream here instead of canceling the stream after it's + // accepted since the latter will create the call which costs much memory. + if (t->resource_user != nullptr && + !grpc_resource_user_safe_alloc(t->resource_user, + GRPC_RESOURCE_QUOTA_CALL_SIZE)) { + gpr_log(GPR_ERROR, "Memory exhausted, rejecting the stream."); + grpc_slice_buffer_add( + &t->qbuf, + grpc_chttp2_rst_stream_create( + id, static_cast<uint32_t>(GRPC_HTTP2_REFUSED_STREAM), nullptr)); + grpc_chttp2_initiate_write(t, GRPC_CHTTP2_INITIATE_WRITE_RST_STREAM); + return nullptr; + } + grpc_chttp2_stream* accepting = nullptr; GPR_ASSERT(t->accepting_stream == nullptr); t->accepting_stream = &accepting; t->channel_callback.accept_stream(t->channel_callback.accept_stream_user_data, @@ -1401,6 +1441,9 @@ static void perform_stream_op_locked(void* stream_op, } if (op->send_initial_metadata) { + if (t->is_client && t->channelz_socket != nullptr) { + t->channelz_socket->RecordStreamStartedFromLocal(); + } GRPC_STATS_INC_HTTP2_OP_SEND_INITIAL_METADATA(); GPR_ASSERT(s->send_initial_metadata_finished == nullptr); on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; @@ -1486,6 +1529,7 @@ static void perform_stream_op_locked(void* stream_op, if (op->send_message) { GRPC_STATS_INC_HTTP2_OP_SEND_MESSAGE(); + t->num_messages_in_next_write++; GRPC_STATS_INC_HTTP2_SEND_MESSAGE_SIZE( op->payload->send_message.send_message->length()); on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; @@ -1670,8 +1714,8 @@ static void perform_stream_op(grpc_transport* gt, grpc_stream* gs, gpr_free(str); } - op->handler_private.extra_arg = gs; GRPC_CHTTP2_STREAM_REF(s, "perform_stream_op"); + op->handler_private.extra_arg = gs; GRPC_CLOSURE_SCHED( GRPC_CLOSURE_INIT(&op->handler_private.closure, perform_stream_op_locked, op, grpc_combiner_scheduler(t->combiner)), @@ -2097,8 +2141,7 @@ void grpc_chttp2_fake_status(grpc_chttp2_transport* t, grpc_chttp2_stream* s, "add_status_message", grpc_chttp2_incoming_metadata_buffer_replace_or_add( &s->metadata_buffer[1], - grpc_mdelem_from_slices(GRPC_MDSTR_GRPC_MESSAGE, - grpc_slice_ref_internal(slice)))); + grpc_mdelem_create(GRPC_MDSTR_GRPC_MESSAGE, slice, nullptr))); } s->published_metadata[1] = GRPC_METADATA_SYNTHESIZED_FROM_FAKE; grpc_chttp2_maybe_complete_recv_trailing_metadata(t, s); @@ -2678,6 +2721,7 @@ static void init_keepalive_ping_locked(void* arg, grpc_error* error) { grpc_chttp2_stream_map_size(&t->stream_map) > 0) { t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_PINGING; GRPC_CHTTP2_REF_TRANSPORT(t, "keepalive ping end"); + grpc_timer_init_unset(&t->keepalive_watchdog_timer); send_keepalive_ping_locked(t); grpc_chttp2_initiate_write(t, GRPC_CHTTP2_INITIATE_WRITE_KEEPALIVE_PING); } else { @@ -2701,6 +2745,9 @@ static void start_keepalive_ping_locked(void* arg, grpc_error* error) { if (error != GRPC_ERROR_NONE) { return; } + if (t->channelz_socket != nullptr) { + t->channelz_socket->RecordKeepaliveSent(); + } GRPC_CHTTP2_REF_TRANSPORT(t, "keepalive watchdog"); grpc_timer_init(&t->keepalive_watchdog_timer, grpc_core::ExecCtx::Get()->Now() + t->keepalive_timeout, @@ -2728,10 +2775,10 @@ static void keepalive_watchdog_fired_locked(void* arg, grpc_error* error) { if (error == GRPC_ERROR_NONE) { t->keepalive_state = GRPC_CHTTP2_KEEPALIVE_STATE_DYING; close_transport_locked( - t, - grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( - "keepalive watchdog timeout"), - GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_INTERNAL)); + t, grpc_error_set_int(GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "keepalive watchdog timeout"), + GRPC_ERROR_INT_GRPC_STATUS, + GRPC_STATUS_UNAVAILABLE)); } } else { /* The watchdog timer should have been cancelled by @@ -2897,17 +2944,20 @@ bool Chttp2IncomingByteStream::Next(size_t max_size_hint, } } +void Chttp2IncomingByteStream::MaybeCreateStreamDecompressionCtx() { + if (!stream_->stream_decompression_ctx) { + stream_->stream_decompression_ctx = grpc_stream_compression_context_create( + stream_->stream_decompression_method); + } +} + grpc_error* Chttp2IncomingByteStream::Pull(grpc_slice* slice) { GPR_TIMER_SCOPE("incoming_byte_stream_pull", 0); grpc_error* error; if (stream_->unprocessed_incoming_frames_buffer.length > 0) { if (!stream_->unprocessed_incoming_frames_decompressed) { bool end_of_context; - if (!stream_->stream_decompression_ctx) { - stream_->stream_decompression_ctx = - grpc_stream_compression_context_create( - stream_->stream_decompression_method); - } + MaybeCreateStreamDecompressionCtx(); if (!grpc_stream_decompress(stream_->stream_decompression_ctx, &stream_->unprocessed_incoming_frames_buffer, &stream_->decompressed_data_buffer, nullptr, @@ -3138,11 +3188,21 @@ static const grpc_transport_vtable vtable = {sizeof(grpc_chttp2_stream), static const grpc_transport_vtable* get_vtable(void) { return &vtable; } +intptr_t grpc_chttp2_transport_get_socket_uuid(grpc_transport* transport) { + grpc_chttp2_transport* t = + reinterpret_cast<grpc_chttp2_transport*>(transport); + if (t->channelz_socket != nullptr) { + return t->channelz_socket->uuid(); + } else { + return 0; + } +} + grpc_transport* grpc_create_chttp2_transport( - const grpc_channel_args* channel_args, grpc_endpoint* ep, bool is_client) { - grpc_chttp2_transport* t = static_cast<grpc_chttp2_transport*>( - gpr_zalloc(sizeof(grpc_chttp2_transport))); - init_transport(t, channel_args, ep, is_client); + const grpc_channel_args* channel_args, grpc_endpoint* ep, bool is_client, + grpc_resource_user* resource_user) { + auto t = new (gpr_malloc(sizeof(grpc_chttp2_transport))) + grpc_chttp2_transport(channel_args, ep, is_client, resource_user); return &t->base; } |