diff options
Diffstat (limited to 'src/core/ext/transport/chttp2')
28 files changed, 1105 insertions, 1129 deletions
diff --git a/src/core/ext/transport/chttp2/README.md b/src/core/ext/transport/chttp2/README.md new file mode 100644 index 0000000000..8880a47460 --- /dev/null +++ b/src/core/ext/transport/chttp2/README.md @@ -0,0 +1 @@ +CHTTP2 - gRPC's implementation of a HTTP2 based transport diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.c b/src/core/ext/transport/chttp2/client/chttp2_connector.c new file mode 100644 index 0000000000..013c96dc70 --- /dev/null +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.c @@ -0,0 +1,253 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" + +#include <grpc/grpc.h> + +#include <string.h> + +#include <grpc/slice_buffer.h> +#include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> + +#include "src/core/ext/client_channel/connector.h" +#include "src/core/ext/client_channel/http_connect_handshaker.h" +#include "src/core/ext/client_channel/subchannel.h" +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" +#include "src/core/lib/iomgr/tcp_client.h" +#include "src/core/lib/slice/slice_internal.h" + +typedef struct { + grpc_connector base; + + gpr_mu mu; + gpr_refcount refs; + + bool shutdown; + bool connecting; + + grpc_closure *notify; + grpc_connect_in_args args; + grpc_connect_out_args *result; + grpc_closure initial_string_sent; + grpc_slice_buffer initial_string_buffer; + + grpc_endpoint *endpoint; // Non-NULL until handshaking starts. + + grpc_closure connected; + + grpc_handshake_manager *handshake_mgr; +} chttp2_connector; + +static void chttp2_connector_ref(grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + gpr_ref(&c->refs); +} + +static void chttp2_connector_unref(grpc_exec_ctx *exec_ctx, + grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + if (gpr_unref(&c->refs)) { + /* c->initial_string_buffer does not need to be destroyed */ + gpr_mu_destroy(&c->mu); + // If handshaking is not yet in progress, destroy the endpoint. + // Otherwise, the handshaker will do this for us. + if (c->endpoint != NULL) grpc_endpoint_destroy(exec_ctx, c->endpoint); + gpr_free(c); + } +} + +static void chttp2_connector_shutdown(grpc_exec_ctx *exec_ctx, + grpc_connector *con) { + chttp2_connector *c = (chttp2_connector *)con; + gpr_mu_lock(&c->mu); + c->shutdown = true; + if (c->handshake_mgr != NULL) { + grpc_handshake_manager_shutdown(exec_ctx, c->handshake_mgr); + } + // If handshaking is not yet in progress, shutdown the endpoint. + // Otherwise, the handshaker will do this for us. + if (!c->connecting && c->endpoint != NULL) { + grpc_endpoint_shutdown(exec_ctx, c->endpoint); + } + gpr_mu_unlock(&c->mu); +} + +static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_handshaker_args *args = arg; + chttp2_connector *c = args->user_data; + gpr_mu_lock(&c->mu); + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + // We were shut down after handshaking completed successfully, so + // destroy the endpoint here. + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, args->endpoint); + grpc_endpoint_destroy(exec_ctx, args->endpoint); + grpc_channel_args_destroy(exec_ctx, args->args); + grpc_slice_buffer_destroy_internal(exec_ctx, args->read_buffer); + gpr_free(args->read_buffer); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + } else { + c->result->transport = + grpc_create_chttp2_transport(exec_ctx, args->args, args->endpoint, 1); + GPR_ASSERT(c->result->transport); + grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, + args->read_buffer); + c->result->channel_args = args->args; + } + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); + c->handshake_mgr = NULL; + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, (grpc_connector *)c); +} + +static void start_handshake_locked(grpc_exec_ctx *exec_ctx, + chttp2_connector *c) { + c->handshake_mgr = grpc_handshake_manager_create(); + grpc_handshakers_add(exec_ctx, HANDSHAKER_CLIENT, c->args.channel_args, + c->handshake_mgr); + grpc_handshake_manager_do_handshake( + exec_ctx, c->handshake_mgr, c->endpoint, c->args.channel_args, + c->args.deadline, NULL /* acceptor */, on_handshake_done, c); + c->endpoint = NULL; // Endpoint handed off to handshake manager. +} + +static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + chttp2_connector *c = arg; + gpr_mu_lock(&c->mu); + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, arg); + } else { + start_handshake_locked(exec_ctx, c); + gpr_mu_unlock(&c->mu); + } +} + +static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { + chttp2_connector *c = arg; + gpr_mu_lock(&c->mu); + GPR_ASSERT(c->connecting); + c->connecting = false; + if (error != GRPC_ERROR_NONE || c->shutdown) { + if (error == GRPC_ERROR_NONE) { + error = GRPC_ERROR_CREATE("connector shutdown"); + } else { + error = GRPC_ERROR_REF(error); + } + memset(c->result, 0, sizeof(*c->result)); + grpc_closure *notify = c->notify; + c->notify = NULL; + grpc_closure_sched(exec_ctx, notify, error); + if (c->endpoint != NULL) grpc_endpoint_shutdown(exec_ctx, c->endpoint); + gpr_mu_unlock(&c->mu); + chttp2_connector_unref(exec_ctx, arg); + } else { + GPR_ASSERT(c->endpoint != NULL); + if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { + grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, + c, grpc_schedule_on_exec_ctx); + grpc_slice_buffer_init(&c->initial_string_buffer); + grpc_slice_buffer_add(&c->initial_string_buffer, + c->args.initial_connect_string); + grpc_endpoint_write(exec_ctx, c->endpoint, &c->initial_string_buffer, + &c->initial_string_sent); + } else { + start_handshake_locked(exec_ctx, c); + } + gpr_mu_unlock(&c->mu); + } +} + +static void chttp2_connector_connect(grpc_exec_ctx *exec_ctx, + grpc_connector *con, + const grpc_connect_in_args *args, + grpc_connect_out_args *result, + grpc_closure *notify) { + chttp2_connector *c = (chttp2_connector *)con; + grpc_resolved_address addr; + grpc_get_subchannel_address_arg(args->channel_args, &addr); + gpr_mu_lock(&c->mu); + GPR_ASSERT(c->notify == NULL); + c->notify = notify; + c->args = *args; + c->result = result; + GPR_ASSERT(c->endpoint == NULL); + chttp2_connector_ref(con); // Ref taken for callback. + grpc_closure_init(&c->connected, connected, c, grpc_schedule_on_exec_ctx); + GPR_ASSERT(!c->connecting); + c->connecting = true; + grpc_tcp_client_connect(exec_ctx, &c->connected, &c->endpoint, + args->interested_parties, args->channel_args, &addr, + args->deadline); + gpr_mu_unlock(&c->mu); +} + +static const grpc_connector_vtable chttp2_connector_vtable = { + chttp2_connector_ref, chttp2_connector_unref, chttp2_connector_shutdown, + chttp2_connector_connect}; + +grpc_connector *grpc_chttp2_connector_create() { + chttp2_connector *c = gpr_malloc(sizeof(*c)); + memset(c, 0, sizeof(*c)); + c->base.vtable = &chttp2_connector_vtable; + gpr_mu_init(&c->mu); + gpr_ref_init(&c->refs, 1); + return &c->base; +} diff --git a/src/core/ext/transport/chttp2/client/chttp2_connector.h b/src/core/ext/transport/chttp2/client/chttp2_connector.h new file mode 100644 index 0000000000..f5d1025432 --- /dev/null +++ b/src/core/ext/transport/chttp2/client/chttp2_connector.h @@ -0,0 +1,41 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H +#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H + +#include "src/core/ext/client_channel/connector.h" + +grpc_connector* grpc_chttp2_connector_create(); + +#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_CLIENT_CHTTP2_CONNECTOR_H */ diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c index 8e03fd82c1..c9f4021216 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c @@ -33,138 +33,17 @@ #include <grpc/grpc.h> -#include <stdlib.h> #include <string.h> -#include <grpc/slice.h> -#include <grpc/slice_buffer.h> #include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/compress_filter.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_client_filter.h" -#include "src/core/lib/iomgr/tcp_client.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/channel.h" -// -// connector -// - -typedef struct { - grpc_connector base; - gpr_refcount refs; - - grpc_closure *notify; - grpc_connect_in_args args; - grpc_connect_out_args *result; - grpc_closure initial_string_sent; - grpc_slice_buffer initial_string_buffer; - - grpc_endpoint *tcp; - - grpc_closure connected; - - grpc_handshake_manager *handshake_mgr; -} connector; - -static void connector_ref(grpc_connector *con) { - connector *c = (connector *)con; - gpr_ref(&c->refs); -} - -static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - if (gpr_unref(&c->refs)) { - /* c->initial_string_buffer does not need to be destroyed */ - grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); - gpr_free(c); - } -} - -static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - connector_unref(exec_ctx, arg); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - connector *c = user_data; - if (error != GRPC_ERROR_NONE) { - grpc_channel_args_destroy(args); - gpr_free(read_buffer); - } else { - c->result->transport = - grpc_create_chttp2_transport(exec_ctx, args, endpoint, 1); - GPR_ASSERT(c->result->transport); - grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, - read_buffer); - c->result->channel_args = args; - } - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); -} - -static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - connector *c = arg; - grpc_endpoint *tcp = c->tcp; - if (tcp != NULL) { - if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { - grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, - c); - grpc_slice_buffer_init(&c->initial_string_buffer); - grpc_slice_buffer_add(&c->initial_string_buffer, - c->args.initial_connect_string); - connector_ref(arg); - grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer, - &c->initial_string_sent); - } else { - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, tcp, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); - } - } else { - memset(c->result, 0, sizeof(*c->result)); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_REF(error), NULL); - } -} - -static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) {} - -static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con, - const grpc_connect_in_args *args, - grpc_connect_out_args *result, - grpc_closure *notify) { - connector *c = (connector *)con; - GPR_ASSERT(c->notify == NULL); - GPR_ASSERT(notify->cb); - c->notify = notify; - c->args = *args; - c->result = result; - c->tcp = NULL; - grpc_closure_init(&c->connected, connected, c); - grpc_tcp_client_connect(exec_ctx, &c->connected, &c->tcp, - args->interested_parties, args->channel_args, - args->addr, args->deadline); -} - -static const grpc_connector_vtable connector_vtable = { - connector_ref, connector_unref, connector_shutdown, connector_connect}; - -// -// client_channel_factory -// - static void client_channel_factory_ref( grpc_client_channel_factory *cc_factory) {} @@ -174,20 +53,9 @@ static void client_channel_factory_unref( static grpc_subchannel *client_channel_factory_create_subchannel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const grpc_subchannel_args *args) { - connector *c = gpr_malloc(sizeof(*c)); - memset(c, 0, sizeof(*c)); - c->base.vtable = &connector_vtable; - gpr_ref_init(&c->refs, 1); - c->handshake_mgr = grpc_handshake_manager_create(); - char *proxy_name = grpc_get_http_proxy_server(); - if (proxy_name != NULL) { - grpc_handshake_manager_add( - c->handshake_mgr, - grpc_http_connect_handshaker_create(proxy_name, args->server_name)); - gpr_free(proxy_name); - } - grpc_subchannel *s = grpc_subchannel_create(exec_ctx, &c->base, args); - grpc_connector_unref(exec_ctx, &c->base); + grpc_connector *connector = grpc_chttp2_connector_create(); + grpc_subchannel *s = grpc_subchannel_create(exec_ctx, connector, args); + grpc_connector_unref(exec_ctx, connector); return s; } @@ -195,19 +63,15 @@ static grpc_channel *client_channel_factory_create_channel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const char *target, grpc_client_channel_type type, const grpc_channel_args *args) { - grpc_channel *channel = - grpc_channel_create(exec_ctx, target, args, GRPC_CLIENT_CHANNEL, NULL); - grpc_resolver *resolver = grpc_resolver_create(target, args); - if (!resolver) { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, - "client_channel_factory_create_channel"); - return NULL; - } - - grpc_client_channel_finish_initialization( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver, cc_factory); - GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel"); - + // Add channel arg containing the server URI. + grpc_arg arg; + arg.type = GRPC_ARG_STRING; + arg.key = GRPC_ARG_SERVER_URI; + arg.value.string = (char *)target; + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + grpc_channel *channel = grpc_channel_create(exec_ctx, target, new_args, + GRPC_CLIENT_CHANNEL, NULL); + grpc_channel_args_destroy(exec_ctx, new_args); return channel; } @@ -230,16 +94,18 @@ grpc_channel *grpc_insecure_channel_create(const char *target, GRPC_API_TRACE( "grpc_insecure_channel_create(target=%p, args=%p, reserved=%p)", 3, (target, args, reserved)); - GPR_ASSERT(!reserved); - - grpc_client_channel_factory *factory = - (grpc_client_channel_factory *)&client_channel_factory; + GPR_ASSERT(reserved == NULL); + // Add channel arg containing the client channel factory. + grpc_arg arg = + grpc_client_channel_factory_create_channel_arg(&client_channel_factory); + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + // Create channel. grpc_channel *channel = client_channel_factory_create_channel( - &exec_ctx, factory, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, args); - - grpc_client_channel_factory_unref(&exec_ctx, factory); + &exec_ctx, &client_channel_factory, target, + GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); + // Clean up. + grpc_channel_args_destroy(&exec_ctx, new_args); grpc_exec_ctx_finish(&exec_ctx); - return channel != NULL ? channel : grpc_lame_client_channel_create( target, GRPC_STATUS_INTERNAL, "Failed to create client channel"); diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c index 1e5b1c22e3..f1069e2c57 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c @@ -74,7 +74,7 @@ grpc_channel *grpc_insecure_channel_create_from_fd( GPR_ASSERT(transport); grpc_channel *channel = grpc_channel_create( &exec_ctx, target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport); - grpc_channel_args_destroy(final_args); + grpc_channel_args_destroy(&exec_ctx, final_args); grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL); grpc_exec_ctx_finish(&exec_ctx); diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c index 04c88a2d36..f979d9bad5 100644 --- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c +++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c @@ -33,239 +33,31 @@ #include <grpc/grpc.h> -#include <stdlib.h> #include <string.h> -#include <grpc/slice.h> -#include <grpc/slice_buffer.h> #include <grpc/support/alloc.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" -#include "src/core/ext/client_channel/http_connect_handshaker.h" -#include "src/core/ext/client_channel/resolver_registry.h" -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/client/chttp2_connector.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/iomgr/tcp_client.h" -#include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" -#include "src/core/lib/security/transport/auth_filters.h" +#include "src/core/lib/security/transport/security_connector.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/channel.h" -#include "src/core/lib/tsi/transport_security_interface.h" - -// -// connector -// - -typedef struct { - grpc_connector base; - gpr_refcount refs; - - grpc_channel_security_connector *security_connector; - - grpc_closure *notify; - grpc_connect_in_args args; - grpc_connect_out_args *result; - grpc_closure initial_string_sent; - grpc_slice_buffer initial_string_buffer; - - gpr_mu mu; - grpc_endpoint *connecting_endpoint; - grpc_endpoint *newly_connecting_endpoint; - - grpc_closure connected_closure; - - grpc_handshake_manager *handshake_mgr; - - // TODO(roth): Remove once we eliminate on_secure_handshake_done(). - grpc_channel_args *tmp_args; -} connector; - -static void connector_ref(grpc_connector *con) { - connector *c = (connector *)con; - gpr_ref(&c->refs); -} - -static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - if (gpr_unref(&c->refs)) { - /* c->initial_string_buffer does not need to be destroyed */ - grpc_channel_args_destroy(c->tmp_args); - grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr); - gpr_free(c); - } -} - -static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, - grpc_security_status status, - grpc_endpoint *secure_endpoint, - grpc_auth_context *auth_context) { - connector *c = arg; - gpr_mu_lock(&c->mu); - grpc_error *error = GRPC_ERROR_NONE; - if (c->connecting_endpoint == NULL) { - memset(c->result, 0, sizeof(*c->result)); - gpr_mu_unlock(&c->mu); - } else if (status != GRPC_SECURITY_OK) { - error = grpc_error_set_int(GRPC_ERROR_CREATE("Secure handshake failed"), - GRPC_ERROR_INT_SECURITY_STATUS, status); - memset(c->result, 0, sizeof(*c->result)); - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - } else { - grpc_arg auth_context_arg; - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - c->result->transport = grpc_create_chttp2_transport( - exec_ctx, c->args.channel_args, secure_endpoint, 1); - grpc_chttp2_transport_start_reading(exec_ctx, c->result->transport, NULL); - auth_context_arg = grpc_auth_context_to_arg(auth_context); - c->result->channel_args = - grpc_channel_args_copy_and_add(c->tmp_args, &auth_context_arg, 1); - } - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - connector *c = user_data; - c->tmp_args = args; - if (error != GRPC_ERROR_NONE) { - gpr_free(read_buffer); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, error, NULL); - } else { - // TODO(roth, jboeuf): Convert security connector handshaking to use new - // handshake API, and then move the code from on_secure_handshake_done() - // into this function. - grpc_channel_security_connector_do_handshake( - exec_ctx, c->security_connector, endpoint, read_buffer, - c->args.deadline, on_secure_handshake_done, c); - } -} - -static void on_initial_connect_string_sent(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - connector *c = arg; - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, c->connecting_endpoint, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); -} - -static void connected(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { - connector *c = arg; - grpc_endpoint *tcp = c->newly_connecting_endpoint; - if (tcp != NULL) { - gpr_mu_lock(&c->mu); - GPR_ASSERT(c->connecting_endpoint == NULL); - c->connecting_endpoint = tcp; - gpr_mu_unlock(&c->mu); - if (!GRPC_SLICE_IS_EMPTY(c->args.initial_connect_string)) { - grpc_closure_init(&c->initial_string_sent, on_initial_connect_string_sent, - c); - grpc_slice_buffer_init(&c->initial_string_buffer); - grpc_slice_buffer_add(&c->initial_string_buffer, - c->args.initial_connect_string); - grpc_endpoint_write(exec_ctx, tcp, &c->initial_string_buffer, - &c->initial_string_sent); - } else { - grpc_handshake_manager_do_handshake( - exec_ctx, c->handshake_mgr, tcp, c->args.channel_args, - c->args.deadline, NULL /* acceptor */, on_handshake_done, c); - } - } else { - memset(c->result, 0, sizeof(*c->result)); - grpc_closure *notify = c->notify; - c->notify = NULL; - grpc_exec_ctx_sched(exec_ctx, notify, GRPC_ERROR_REF(error), NULL); - } -} - -static void connector_shutdown(grpc_exec_ctx *exec_ctx, grpc_connector *con) { - connector *c = (connector *)con; - grpc_endpoint *ep; - gpr_mu_lock(&c->mu); - ep = c->connecting_endpoint; - c->connecting_endpoint = NULL; - gpr_mu_unlock(&c->mu); - if (ep) { - grpc_endpoint_shutdown(exec_ctx, ep); - } -} - -static void connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *con, - const grpc_connect_in_args *args, - grpc_connect_out_args *result, - grpc_closure *notify) { - connector *c = (connector *)con; - GPR_ASSERT(c->notify == NULL); - c->notify = notify; - c->args = *args; - c->result = result; - gpr_mu_lock(&c->mu); - GPR_ASSERT(c->connecting_endpoint == NULL); - gpr_mu_unlock(&c->mu); - grpc_closure_init(&c->connected_closure, connected, c); - grpc_tcp_client_connect( - exec_ctx, &c->connected_closure, &c->newly_connecting_endpoint, - args->interested_parties, args->channel_args, args->addr, args->deadline); -} - -static const grpc_connector_vtable connector_vtable = { - connector_ref, connector_unref, connector_shutdown, connector_connect}; - -// -// client_channel_factory -// - -typedef struct { - grpc_client_channel_factory base; - gpr_refcount refs; - grpc_channel_security_connector *security_connector; -} client_channel_factory; static void client_channel_factory_ref( - grpc_client_channel_factory *cc_factory) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - gpr_ref(&f->refs); -} + grpc_client_channel_factory *cc_factory) {} static void client_channel_factory_unref( - grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - if (gpr_unref(&f->refs)) { - GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, - "client_channel_factory"); - gpr_free(f); - } -} + grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {} static grpc_subchannel *client_channel_factory_create_subchannel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const grpc_subchannel_args *args) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - connector *c = gpr_malloc(sizeof(*c)); - memset(c, 0, sizeof(*c)); - c->base.vtable = &connector_vtable; - c->security_connector = f->security_connector; - c->handshake_mgr = grpc_handshake_manager_create(); - char *proxy_name = grpc_get_http_proxy_server(); - if (proxy_name != NULL) { - grpc_handshake_manager_add( - c->handshake_mgr, - grpc_http_connect_handshaker_create(proxy_name, args->server_name)); - gpr_free(proxy_name); - } - gpr_mu_init(&c->mu); - gpr_ref_init(&c->refs, 1); - grpc_subchannel *s = grpc_subchannel_create(exec_ctx, &c->base, args); - grpc_connector_unref(exec_ctx, &c->base); + grpc_connector *connector = grpc_chttp2_connector_create(); + grpc_subchannel *s = grpc_subchannel_create(exec_ctx, connector, args); + grpc_connector_unref(exec_ctx, connector); return s; } @@ -273,19 +65,15 @@ static grpc_channel *client_channel_factory_create_channel( grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory, const char *target, grpc_client_channel_type type, const grpc_channel_args *args) { - client_channel_factory *f = (client_channel_factory *)cc_factory; - grpc_channel *channel = - grpc_channel_create(exec_ctx, target, args, GRPC_CLIENT_CHANNEL, NULL); - grpc_resolver *resolver = grpc_resolver_create(target, args); - if (resolver != NULL) { - grpc_client_channel_finish_initialization( - exec_ctx, grpc_channel_get_channel_stack(channel), resolver, &f->base); - GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create"); - } else { - GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel, - "client_channel_factory_create_channel"); - channel = NULL; - } + // Add channel arg containing the server URI. + grpc_arg arg; + arg.type = GRPC_ARG_STRING; + arg.key = GRPC_ARG_SERVER_URI; + arg.value.string = (char *)target; + grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1); + grpc_channel *channel = grpc_channel_create(exec_ctx, target, new_args, + GRPC_CLIENT_CHANNEL, NULL); + grpc_channel_args_destroy(exec_ctx, new_args); return channel; } @@ -294,6 +82,9 @@ static const grpc_client_channel_factory_vtable client_channel_factory_vtable = client_channel_factory_create_subchannel, client_channel_factory_create_channel}; +static grpc_client_channel_factory client_channel_factory = { + &client_channel_factory_vtable}; + /* Create a secure client channel: Asynchronously: - resolve target - connect to it (trying alternatives as presented) @@ -320,36 +111,32 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds, grpc_channel_security_connector *security_connector; grpc_channel_args *new_args_from_connector; if (grpc_channel_credentials_create_security_connector( - creds, target, args, &security_connector, &new_args_from_connector) != - GRPC_SECURITY_OK) { + &exec_ctx, creds, target, args, &security_connector, + &new_args_from_connector) != GRPC_SECURITY_OK) { grpc_exec_ctx_finish(&exec_ctx); return grpc_lame_client_channel_create( target, GRPC_STATUS_INTERNAL, "Failed to create security connector."); } - grpc_arg connector_arg = - grpc_security_connector_to_arg(&security_connector->base); + // Add channel args containing the client channel factory and security + // connector. + grpc_arg args_to_add[2]; + args_to_add[0] = + grpc_client_channel_factory_create_channel_arg(&client_channel_factory); + args_to_add[1] = grpc_security_connector_to_arg(&security_connector->base); grpc_channel_args *new_args = grpc_channel_args_copy_and_add( new_args_from_connector != NULL ? new_args_from_connector : args, - &connector_arg, 1); + args_to_add, GPR_ARRAY_SIZE(args_to_add)); if (new_args_from_connector != NULL) { - grpc_channel_args_destroy(new_args_from_connector); + grpc_channel_args_destroy(&exec_ctx, new_args_from_connector); } - // Create client channel factory. - client_channel_factory *f = gpr_malloc(sizeof(*f)); - memset(f, 0, sizeof(*f)); - f->base.vtable = &client_channel_factory_vtable; - gpr_ref_init(&f->refs, 1); - GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, - "grpc_secure_channel_create"); - f->security_connector = security_connector; // Create channel. grpc_channel *channel = client_channel_factory_create_channel( - &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); + &exec_ctx, &client_channel_factory, target, + GRPC_CLIENT_CHANNEL_TYPE_REGULAR, new_args); // Clean up. - GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base, + GRPC_SECURITY_CONNECTOR_UNREF(&exec_ctx, &security_connector->base, "secure_client_channel_factory_create_channel"); - grpc_channel_args_destroy(new_args); - grpc_client_channel_factory_unref(&exec_ctx, &f->base); + grpc_channel_args_destroy(&exec_ctx, new_args); grpc_exec_ctx_finish(&exec_ctx); return channel; /* may be NULL */ } diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.c b/src/core/ext/transport/chttp2/server/chttp2_server.c new file mode 100644 index 0000000000..574d1a7710 --- /dev/null +++ b/src/core/ext/transport/chttp2/server/chttp2_server.c @@ -0,0 +1,342 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" + +#include <grpc/grpc.h> + +#include <string.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> +#include <grpc/support/string_util.h> +#include <grpc/support/sync.h> +#include <grpc/support/useful.h> + +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" +#include "src/core/lib/channel/http_server_filter.h" +#include "src/core/lib/iomgr/endpoint.h" +#include "src/core/lib/iomgr/resolve_address.h" +#include "src/core/lib/iomgr/tcp_server.h" +#include "src/core/lib/slice/slice_internal.h" +#include "src/core/lib/surface/api_trace.h" +#include "src/core/lib/surface/server.h" + +typedef struct pending_handshake_manager_node { + grpc_handshake_manager *handshake_mgr; + struct pending_handshake_manager_node *next; +} pending_handshake_manager_node; + +typedef struct { + grpc_server *server; + grpc_tcp_server *tcp_server; + grpc_channel_args *args; + gpr_mu mu; + bool shutdown; + grpc_closure tcp_server_shutdown_complete; + grpc_closure *server_destroy_listener_done; + pending_handshake_manager_node *pending_handshake_mgrs; +} server_state; + +typedef struct { + server_state *server_state; + grpc_pollset *accepting_pollset; + grpc_tcp_server_acceptor *acceptor; + grpc_handshake_manager *handshake_mgr; +} server_connection_state; + +static void pending_handshake_manager_add_locked( + server_state *state, grpc_handshake_manager *handshake_mgr) { + pending_handshake_manager_node *node = gpr_malloc(sizeof(*node)); + node->handshake_mgr = handshake_mgr; + node->next = state->pending_handshake_mgrs; + state->pending_handshake_mgrs = node; +} + +static void pending_handshake_manager_remove_locked( + server_state *state, grpc_handshake_manager *handshake_mgr) { + pending_handshake_manager_node **prev_node = &state->pending_handshake_mgrs; + for (pending_handshake_manager_node *node = state->pending_handshake_mgrs; + node != NULL; node = node->next) { + if (node->handshake_mgr == handshake_mgr) { + *prev_node = node->next; + gpr_free(node); + break; + } + prev_node = &node->next; + } +} + +static void pending_handshake_manager_shutdown_locked(grpc_exec_ctx *exec_ctx, + server_state *state) { + pending_handshake_manager_node *prev_node = NULL; + for (pending_handshake_manager_node *node = state->pending_handshake_mgrs; + node != NULL; node = node->next) { + grpc_handshake_manager_shutdown(exec_ctx, node->handshake_mgr); + gpr_free(prev_node); + prev_node = node; + } + gpr_free(prev_node); + state->pending_handshake_mgrs = NULL; +} + +static void on_handshake_done(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + grpc_handshaker_args *args = arg; + server_connection_state *connection_state = args->user_data; + gpr_mu_lock(&connection_state->server_state->mu); + if (error != GRPC_ERROR_NONE || connection_state->server_state->shutdown) { + const char *error_str = grpc_error_string(error); + gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); + grpc_error_free_string(error_str); + if (error == GRPC_ERROR_NONE && args->endpoint != NULL) { + // We were shut down after handshaking completed successfully, so + // destroy the endpoint here. + // TODO(ctiller): It is currently necessary to shutdown endpoints + // before destroying them, even if we know that there are no + // pending read/write callbacks. This should be fixed, at which + // point this can be removed. + grpc_endpoint_shutdown(exec_ctx, args->endpoint); + grpc_endpoint_destroy(exec_ctx, args->endpoint); + grpc_channel_args_destroy(exec_ctx, args->args); + grpc_slice_buffer_destroy_internal(exec_ctx, args->read_buffer); + gpr_free(args->read_buffer); + } + } else { + // If the handshaking succeeded but there is no endpoint, then the + // handshaker may have handed off the connection to some external + // code, so we can just clean up here without creating a transport. + if (args->endpoint != NULL) { + grpc_transport *transport = + grpc_create_chttp2_transport(exec_ctx, args->args, args->endpoint, 0); + grpc_server_setup_transport( + exec_ctx, connection_state->server_state->server, transport, + connection_state->accepting_pollset, args->args); + grpc_chttp2_transport_start_reading(exec_ctx, transport, + args->read_buffer); + grpc_channel_args_destroy(exec_ctx, args->args); + } + } + pending_handshake_manager_remove_locked(connection_state->server_state, + connection_state->handshake_mgr); + gpr_mu_unlock(&connection_state->server_state->mu); + grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); + grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp_server); + gpr_free(connection_state->acceptor); + gpr_free(connection_state); +} + +static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp, + grpc_pollset *accepting_pollset, + grpc_tcp_server_acceptor *acceptor) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + if (state->shutdown) { + gpr_mu_unlock(&state->mu); + grpc_endpoint_destroy(exec_ctx, tcp); + gpr_free(acceptor); + return; + } + grpc_handshake_manager *handshake_mgr = grpc_handshake_manager_create(); + pending_handshake_manager_add_locked(state, handshake_mgr); + gpr_mu_unlock(&state->mu); + grpc_tcp_server_ref(state->tcp_server); + server_connection_state *connection_state = + gpr_malloc(sizeof(*connection_state)); + connection_state->server_state = state; + connection_state->accepting_pollset = accepting_pollset; + connection_state->acceptor = acceptor; + connection_state->handshake_mgr = handshake_mgr; + grpc_handshakers_add(exec_ctx, HANDSHAKER_SERVER, state->args, + connection_state->handshake_mgr); + // TODO(roth): We should really get this timeout value from channel + // args instead of hard-coding it. + const gpr_timespec deadline = gpr_time_add( + gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); + grpc_handshake_manager_do_handshake(exec_ctx, connection_state->handshake_mgr, + tcp, state->args, deadline, acceptor, + on_handshake_done, connection_state); +} + +/* Server callback: start listening on our ports */ +static void server_start_listener(grpc_exec_ctx *exec_ctx, grpc_server *server, + void *arg, grpc_pollset **pollsets, + size_t pollset_count) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + state->shutdown = false; + gpr_mu_unlock(&state->mu); + grpc_tcp_server_start(exec_ctx, state->tcp_server, pollsets, pollset_count, + on_accept, state); +} + +static void tcp_server_shutdown_complete(grpc_exec_ctx *exec_ctx, void *arg, + grpc_error *error) { + server_state *state = arg; + /* ensure all threads have unlocked */ + gpr_mu_lock(&state->mu); + grpc_closure *destroy_done = state->server_destroy_listener_done; + GPR_ASSERT(state->shutdown); + pending_handshake_manager_shutdown_locked(exec_ctx, state); + gpr_mu_unlock(&state->mu); + // Flush queued work before destroying handshaker factory, since that + // may do a synchronous unref. + grpc_exec_ctx_flush(exec_ctx); + if (destroy_done != NULL) { + destroy_done->cb(exec_ctx, destroy_done->cb_arg, GRPC_ERROR_REF(error)); + grpc_exec_ctx_flush(exec_ctx); + } + grpc_channel_args_destroy(exec_ctx, state->args); + gpr_mu_destroy(&state->mu); + gpr_free(state); +} + +/* Server callback: destroy the tcp listener (so we don't generate further + callbacks) */ +static void server_destroy_listener(grpc_exec_ctx *exec_ctx, + grpc_server *server, void *arg, + grpc_closure *destroy_done) { + server_state *state = arg; + gpr_mu_lock(&state->mu); + state->shutdown = true; + state->server_destroy_listener_done = destroy_done; + grpc_tcp_server *tcp_server = state->tcp_server; + gpr_mu_unlock(&state->mu); + grpc_tcp_server_shutdown_listeners(exec_ctx, tcp_server); + grpc_tcp_server_unref(exec_ctx, tcp_server); +} + +grpc_error *grpc_chttp2_server_add_port(grpc_exec_ctx *exec_ctx, + grpc_server *server, const char *addr, + grpc_channel_args *args, + int *port_num) { + grpc_resolved_addresses *resolved = NULL; + grpc_tcp_server *tcp_server = NULL; + size_t i; + size_t count = 0; + int port_temp; + grpc_error *err = GRPC_ERROR_NONE; + server_state *state = NULL; + grpc_error **errors = NULL; + + *port_num = -1; + + /* resolve address */ + err = grpc_blocking_resolve_address(addr, "https", &resolved); + if (err != GRPC_ERROR_NONE) { + goto error; + } + state = gpr_malloc(sizeof(*state)); + memset(state, 0, sizeof(*state)); + grpc_closure_init(&state->tcp_server_shutdown_complete, + tcp_server_shutdown_complete, state, + grpc_schedule_on_exec_ctx); + err = grpc_tcp_server_create(exec_ctx, &state->tcp_server_shutdown_complete, + args, &tcp_server); + if (err != GRPC_ERROR_NONE) { + goto error; + } + + state->server = server; + state->tcp_server = tcp_server; + state->args = args; + state->shutdown = true; + gpr_mu_init(&state->mu); + + const size_t naddrs = resolved->naddrs; + errors = gpr_malloc(sizeof(*errors) * naddrs); + for (i = 0; i < naddrs; i++) { + errors[i] = + grpc_tcp_server_add_port(tcp_server, &resolved->addrs[i], &port_temp); + if (errors[i] == GRPC_ERROR_NONE) { + if (*port_num == -1) { + *port_num = port_temp; + } else { + GPR_ASSERT(*port_num == port_temp); + } + count++; + } + } + if (count == 0) { + char *msg; + gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", + naddrs); + err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); + gpr_free(msg); + goto error; + } else if (count != naddrs) { + char *msg; + gpr_asprintf(&msg, "Only %" PRIuPTR + " addresses added out of total %" PRIuPTR " resolved", + count, naddrs); + err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); + gpr_free(msg); + + const char *warning_message = grpc_error_string(err); + gpr_log(GPR_INFO, "WARNING: %s", warning_message); + grpc_error_free_string(warning_message); + /* we managed to bind some addresses: continue */ + } + grpc_resolved_addresses_destroy(resolved); + + /* Register with the server only upon success */ + grpc_server_add_listener(exec_ctx, server, state, server_start_listener, + server_destroy_listener); + goto done; + +/* Error path: cleanup and return */ +error: + GPR_ASSERT(err != GRPC_ERROR_NONE); + if (resolved) { + grpc_resolved_addresses_destroy(resolved); + } + if (tcp_server) { + grpc_tcp_server_unref(exec_ctx, tcp_server); + } else { + grpc_channel_args_destroy(exec_ctx, args); + gpr_free(state); + } + *port_num = 0; + +done: + if (errors != NULL) { + for (i = 0; i < naddrs; i++) { + GRPC_ERROR_UNREF(errors[i]); + } + gpr_free(errors); + } + return err; +} diff --git a/src/core/ext/transport/chttp2/server/chttp2_server.h b/src/core/ext/transport/chttp2/server/chttp2_server.h new file mode 100644 index 0000000000..2581ebaae9 --- /dev/null +++ b/src/core/ext/transport/chttp2/server/chttp2_server.h @@ -0,0 +1,47 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H +#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/iomgr/exec_ctx.h" + +/// Adds a port to \a server. Sets \a port_num to the port number. +/// Takes ownership of \a args. +grpc_error *grpc_chttp2_server_add_port(grpc_exec_ctx *exec_ctx, + grpc_server *server, const char *addr, + grpc_channel_args *args, int *port_num); + +#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_SERVER_CHTTP2_SERVER_H */ diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c index c18d618f96..bf5026bea6 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2.c @@ -33,180 +33,27 @@ #include <grpc/grpc.h> -#include <grpc/support/alloc.h> #include <grpc/support/log.h> -#include <grpc/support/string_util.h> -#include <grpc/support/useful.h> -#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" #include "src/core/lib/channel/channel_args.h" -#include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_server_filter.h" -#include "src/core/lib/iomgr/resolve_address.h" -#include "src/core/lib/iomgr/tcp_server.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/server.h" -typedef struct server_connect_state { - grpc_server *server; - grpc_pollset *accepting_pollset; - grpc_tcp_server_acceptor *acceptor; - grpc_handshake_manager *handshake_mgr; -} server_connect_state; - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - server_connect_state *state = user_data; - if (error != GRPC_ERROR_NONE) { - const char *error_str = grpc_error_string(error); - gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); - grpc_error_free_string(error_str); - GRPC_ERROR_UNREF(error); - grpc_handshake_manager_shutdown(exec_ctx, state->handshake_mgr); - gpr_free(read_buffer); - } else { - // Beware that the call to grpc_create_chttp2_transport() has to happen - // before grpc_tcp_server_destroy(). This is fine here, but similar code - // asynchronously doing a handshake instead of calling - // grpc_tcp_server_start() (as in server_secure_chttp2.c) needs to add - // synchronization to avoid this case. - grpc_transport *transport = - grpc_create_chttp2_transport(exec_ctx, args, endpoint, 0); - grpc_server_setup_transport(exec_ctx, state->server, transport, - state->accepting_pollset, - grpc_server_get_channel_args(state->server)); - grpc_chttp2_transport_start_reading(exec_ctx, transport, read_buffer); - } - // Clean up. - grpc_channel_args_destroy(args); - grpc_handshake_manager_destroy(exec_ctx, state->handshake_mgr); - gpr_free(state); -} - -static void on_accept(grpc_exec_ctx *exec_ctx, void *server, grpc_endpoint *tcp, - grpc_pollset *accepting_pollset, - grpc_tcp_server_acceptor *acceptor) { - server_connect_state *state = gpr_malloc(sizeof(server_connect_state)); - state->server = server; - state->accepting_pollset = accepting_pollset; - state->acceptor = acceptor; - state->handshake_mgr = grpc_handshake_manager_create(); - // TODO(roth): We should really get this timeout value from channel - // args instead of hard-coding it. - const gpr_timespec deadline = gpr_time_add( - gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); - grpc_handshake_manager_do_handshake( - exec_ctx, state->handshake_mgr, tcp, grpc_server_get_channel_args(server), - deadline, acceptor, on_handshake_done, state); -} - -/* Server callback: start listening on our ports */ -static void start(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, - grpc_pollset **pollsets, size_t pollset_count) { - grpc_tcp_server *tcp = tcpp; - grpc_tcp_server_start(exec_ctx, tcp, pollsets, pollset_count, on_accept, - server); -} - -/* Server callback: destroy the tcp listener (so we don't generate further - callbacks) */ -static void destroy(grpc_exec_ctx *exec_ctx, grpc_server *server, void *tcpp, - grpc_closure *destroy_done) { - grpc_tcp_server *tcp = tcpp; - grpc_tcp_server_shutdown_listeners(exec_ctx, tcp); - grpc_tcp_server_unref(exec_ctx, tcp); - grpc_exec_ctx_sched(exec_ctx, destroy_done, GRPC_ERROR_NONE, NULL); -} - int grpc_server_add_insecure_http2_port(grpc_server *server, const char *addr) { - grpc_resolved_addresses *resolved = NULL; - grpc_tcp_server *tcp = NULL; - size_t i; - size_t count = 0; - int port_num = -1; - int port_temp; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; - grpc_error *err = GRPC_ERROR_NONE; - + int port_num = 0; GRPC_API_TRACE("grpc_server_add_insecure_http2_port(server=%p, addr=%s)", 2, (server, addr)); - - grpc_error **errors = NULL; - err = grpc_blocking_resolve_address(addr, "https", &resolved); - if (err != GRPC_ERROR_NONE) { - goto error; - } - - err = grpc_tcp_server_create(&exec_ctx, NULL, - grpc_server_get_channel_args(server), &tcp); + grpc_error *err = grpc_chttp2_server_add_port( + &exec_ctx, server, addr, + grpc_channel_args_copy(grpc_server_get_channel_args(server)), &port_num); if (err != GRPC_ERROR_NONE) { - goto error; - } - - const size_t naddrs = resolved->naddrs; - errors = gpr_malloc(sizeof(*errors) * naddrs); - for (i = 0; i < naddrs; i++) { - errors[i] = grpc_tcp_server_add_port(tcp, &resolved->addrs[i], &port_temp); - if (errors[i] == GRPC_ERROR_NONE) { - if (port_num == -1) { - port_num = port_temp; - } else { - GPR_ASSERT(port_num == port_temp); - } - count++; - } + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "%s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); } - if (count == 0) { - char *msg; - gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", - naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); - gpr_free(msg); - goto error; - } else if (count != naddrs) { - char *msg; - gpr_asprintf(&msg, "Only %" PRIuPTR - " addresses added out of total %" PRIuPTR " resolved", - count, naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, naddrs); - gpr_free(msg); - - const char *warning_message = grpc_error_string(err); - gpr_log(GPR_INFO, "WARNING: %s", warning_message); - grpc_error_free_string(warning_message); - /* we managed to bind some addresses: continue */ - } - grpc_resolved_addresses_destroy(resolved); - - /* Register with the server only upon success */ - grpc_server_add_listener(&exec_ctx, server, tcp, start, destroy); - goto done; - -/* Error path: cleanup and return */ -error: - GPR_ASSERT(err != GRPC_ERROR_NONE); - if (resolved) { - grpc_resolved_addresses_destroy(resolved); - } - if (tcp) { - grpc_tcp_server_unref(&exec_ctx, tcp); - } - port_num = 0; - - const char *msg = grpc_error_string(err); - gpr_log(GPR_ERROR, "%s", msg); - grpc_error_free_string(msg); - GRPC_ERROR_UNREF(err); - -done: grpc_exec_ctx_finish(&exec_ctx); - if (errors != NULL) { - for (i = 0; i < naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - } - gpr_free(errors); return port_num; } diff --git a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c index aa2ecf5743..f46e849932 100644 --- a/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c +++ b/src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c @@ -62,7 +62,7 @@ void grpc_server_add_insecure_channel_from_fd(grpc_server *server, grpc_endpoint *server_endpoint = grpc_tcp_create(grpc_fd_create(fd, name), resource_quota, GRPC_TCP_DEFAULT_READ_SLICE_SIZE, name); - grpc_resource_quota_internal_unref(&exec_ctx, resource_quota); + grpc_resource_quota_unref_internal(&exec_ctx, resource_quota); gpr_free(name); diff --git a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c index 942638ad7f..395c79a71d 100644 --- a/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c +++ b/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c @@ -38,218 +38,35 @@ #include <grpc/support/alloc.h> #include <grpc/support/log.h> #include <grpc/support/string_util.h> -#include <grpc/support/sync.h> -#include <grpc/support/useful.h> + +#include "src/core/ext/transport/chttp2/server/chttp2_server.h" + #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker.h" -#include "src/core/lib/channel/http_server_filter.h" -#include "src/core/lib/iomgr/endpoint.h" -#include "src/core/lib/iomgr/resolve_address.h" -#include "src/core/lib/iomgr/tcp_server.h" #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" -#include "src/core/lib/security/transport/auth_filters.h" -#include "src/core/lib/security/transport/security_connector.h" #include "src/core/lib/surface/api_trace.h" #include "src/core/lib/surface/server.h" -typedef struct server_secure_state { - grpc_server *server; - grpc_tcp_server *tcp; - grpc_server_security_connector *sc; - grpc_server_credentials *creds; - bool is_shutdown; - gpr_mu mu; - grpc_closure tcp_server_shutdown_complete; - grpc_closure *server_destroy_listener_done; -} server_secure_state; - -typedef struct server_secure_connect { - server_secure_state *server_state; - grpc_pollset *accepting_pollset; - grpc_tcp_server_acceptor *acceptor; - grpc_handshake_manager *handshake_mgr; - // TODO(roth): Remove the following two fields when we eliminate - // grpc_server_security_connector_do_handshake(). - gpr_timespec deadline; - grpc_channel_args *args; -} server_secure_connect; - -static void on_secure_handshake_done(grpc_exec_ctx *exec_ctx, void *statep, - grpc_security_status status, - grpc_endpoint *secure_endpoint, - grpc_auth_context *auth_context) { - server_secure_connect *connection_state = statep; - if (status == GRPC_SECURITY_OK) { - if (secure_endpoint) { - gpr_mu_lock(&connection_state->server_state->mu); - if (!connection_state->server_state->is_shutdown) { - grpc_transport *transport = grpc_create_chttp2_transport( - exec_ctx, grpc_server_get_channel_args( - connection_state->server_state->server), - secure_endpoint, 0); - grpc_arg args_to_add[2]; - args_to_add[0] = grpc_server_credentials_to_arg( - connection_state->server_state->creds); - args_to_add[1] = grpc_auth_context_to_arg(auth_context); - grpc_channel_args *args_copy = grpc_channel_args_copy_and_add( - connection_state->args, args_to_add, GPR_ARRAY_SIZE(args_to_add)); - grpc_server_setup_transport( - exec_ctx, connection_state->server_state->server, transport, - connection_state->accepting_pollset, args_copy); - grpc_channel_args_destroy(args_copy); - grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL); - } else { - /* We need to consume this here, because the server may already have - * gone away. */ - grpc_endpoint_destroy(exec_ctx, secure_endpoint); - } - gpr_mu_unlock(&connection_state->server_state->mu); - } - } else { - gpr_log(GPR_ERROR, "Secure transport failed with error %d", status); - } - grpc_channel_args_destroy(connection_state->args); - grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp); - gpr_free(connection_state); -} - -static void on_handshake_done(grpc_exec_ctx *exec_ctx, grpc_endpoint *endpoint, - grpc_channel_args *args, - grpc_slice_buffer *read_buffer, void *user_data, - grpc_error *error) { - server_secure_connect *connection_state = user_data; - if (error != GRPC_ERROR_NONE) { - const char *error_str = grpc_error_string(error); - gpr_log(GPR_ERROR, "Handshaking failed: %s", error_str); - grpc_error_free_string(error_str); - GRPC_ERROR_UNREF(error); - grpc_channel_args_destroy(args); - gpr_free(read_buffer); - grpc_handshake_manager_shutdown(exec_ctx, connection_state->handshake_mgr); - grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); - grpc_tcp_server_unref(exec_ctx, connection_state->server_state->tcp); - gpr_free(connection_state); - return; - } - grpc_handshake_manager_destroy(exec_ctx, connection_state->handshake_mgr); - connection_state->handshake_mgr = NULL; - // TODO(roth, jboeuf): Convert security connector handshaking to use new - // handshake API, and then move the code from on_secure_handshake_done() - // into this function. - connection_state->args = args; - grpc_server_security_connector_do_handshake( - exec_ctx, connection_state->server_state->sc, connection_state->acceptor, - endpoint, read_buffer, connection_state->deadline, - on_secure_handshake_done, connection_state); -} - -static void on_accept(grpc_exec_ctx *exec_ctx, void *statep, grpc_endpoint *tcp, - grpc_pollset *accepting_pollset, - grpc_tcp_server_acceptor *acceptor) { - server_secure_state *server_state = statep; - server_secure_connect *connection_state = NULL; - gpr_mu_lock(&server_state->mu); - if (server_state->is_shutdown) { - gpr_mu_unlock(&server_state->mu); - grpc_endpoint_destroy(exec_ctx, tcp); - return; - } - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_ref(server_state->tcp); - connection_state = gpr_malloc(sizeof(*connection_state)); - connection_state->server_state = server_state; - connection_state->accepting_pollset = accepting_pollset; - connection_state->acceptor = acceptor; - connection_state->handshake_mgr = grpc_handshake_manager_create(); - // TODO(roth): We should really get this timeout value from channel - // args instead of hard-coding it. - connection_state->deadline = gpr_time_add( - gpr_now(GPR_CLOCK_MONOTONIC), gpr_time_from_seconds(120, GPR_TIMESPAN)); - grpc_handshake_manager_do_handshake( - exec_ctx, connection_state->handshake_mgr, tcp, - grpc_server_get_channel_args(connection_state->server_state->server), - connection_state->deadline, acceptor, on_handshake_done, - connection_state); -} - -/* Server callback: start listening on our ports */ -static void server_start_listener(grpc_exec_ctx *exec_ctx, grpc_server *server, - void *statep, grpc_pollset **pollsets, - size_t pollset_count) { - server_secure_state *server_state = statep; - gpr_mu_lock(&server_state->mu); - server_state->is_shutdown = false; - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_start(exec_ctx, server_state->tcp, pollsets, pollset_count, - on_accept, server_state); -} - -static void tcp_server_shutdown_complete(grpc_exec_ctx *exec_ctx, void *statep, - grpc_error *error) { - server_secure_state *server_state = statep; - /* ensure all threads have unlocked */ - gpr_mu_lock(&server_state->mu); - grpc_closure *destroy_done = server_state->server_destroy_listener_done; - GPR_ASSERT(server_state->is_shutdown); - gpr_mu_unlock(&server_state->mu); - /* clean up */ - grpc_server_security_connector_shutdown(exec_ctx, server_state->sc); - - /* Flush queued work before a synchronous unref. */ - grpc_exec_ctx_flush(exec_ctx); - GRPC_SECURITY_CONNECTOR_UNREF(&server_state->sc->base, "server"); - grpc_server_credentials_unref(server_state->creds); - - if (destroy_done != NULL) { - destroy_done->cb(exec_ctx, destroy_done->cb_arg, GRPC_ERROR_REF(error)); - grpc_exec_ctx_flush(exec_ctx); - } - gpr_free(server_state); -} - -static void server_destroy_listener(grpc_exec_ctx *exec_ctx, - grpc_server *server, void *statep, - grpc_closure *callback) { - server_secure_state *server_state = statep; - grpc_tcp_server *tcp; - gpr_mu_lock(&server_state->mu); - server_state->is_shutdown = true; - server_state->server_destroy_listener_done = callback; - tcp = server_state->tcp; - gpr_mu_unlock(&server_state->mu); - grpc_tcp_server_shutdown_listeners(exec_ctx, tcp); - grpc_tcp_server_unref(exec_ctx, server_state->tcp); -} - int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr, grpc_server_credentials *creds) { - grpc_resolved_addresses *resolved = NULL; - grpc_tcp_server *tcp = NULL; - server_secure_state *server_state = NULL; - size_t i; - size_t count = 0; - int port_num = -1; - int port_temp; - grpc_security_status status = GRPC_SECURITY_ERROR; - grpc_server_security_connector *sc = NULL; grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; grpc_error *err = GRPC_ERROR_NONE; - grpc_error **errors = NULL; - + grpc_server_security_connector *sc = NULL; + int port_num = 0; GRPC_API_TRACE( "grpc_server_add_secure_http2_port(" "server=%p, addr=%s, creds=%p)", 3, (server, addr, creds)); - - /* create security context */ + // Create security context. if (creds == NULL) { err = GRPC_ERROR_CREATE( "No credentials specified for secure server port (creds==NULL)"); - goto error; + goto done; } - status = grpc_server_credentials_create_security_connector(creds, &sc); + grpc_security_status status = + grpc_server_credentials_create_security_connector(&exec_ctx, creds, &sc); if (status != GRPC_SECURITY_OK) { char *msg; gpr_asprintf(&msg, @@ -258,107 +75,27 @@ int grpc_server_add_secure_http2_port(grpc_server *server, const char *addr, err = grpc_error_set_int(GRPC_ERROR_CREATE(msg), GRPC_ERROR_INT_SECURITY_STATUS, status); gpr_free(msg); - goto error; + goto done; } - sc->channel_args = grpc_server_get_channel_args(server); - - /* resolve address */ - err = grpc_blocking_resolve_address(addr, "https", &resolved); - if (err != GRPC_ERROR_NONE) { - goto error; + // Create channel args. + grpc_arg args_to_add[2]; + args_to_add[0] = grpc_server_credentials_to_arg(creds); + args_to_add[1] = grpc_security_connector_to_arg(&sc->base); + grpc_channel_args *args = + grpc_channel_args_copy_and_add(grpc_server_get_channel_args(server), + args_to_add, GPR_ARRAY_SIZE(args_to_add)); + // Add server port. + err = grpc_chttp2_server_add_port(&exec_ctx, server, addr, args, &port_num); +done: + if (sc != NULL) { + GRPC_SECURITY_CONNECTOR_UNREF(&exec_ctx, &sc->base, "server"); } - server_state = gpr_malloc(sizeof(*server_state)); - memset(server_state, 0, sizeof(*server_state)); - grpc_closure_init(&server_state->tcp_server_shutdown_complete, - tcp_server_shutdown_complete, server_state); - err = grpc_tcp_server_create(&exec_ctx, - &server_state->tcp_server_shutdown_complete, - grpc_server_get_channel_args(server), &tcp); + grpc_exec_ctx_finish(&exec_ctx); if (err != GRPC_ERROR_NONE) { - goto error; + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "%s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); } - - server_state->server = server; - server_state->tcp = tcp; - server_state->sc = sc; - server_state->creds = grpc_server_credentials_ref(creds); - server_state->is_shutdown = true; - gpr_mu_init(&server_state->mu); - - errors = gpr_malloc(sizeof(*errors) * resolved->naddrs); - for (i = 0; i < resolved->naddrs; i++) { - errors[i] = grpc_tcp_server_add_port(tcp, &resolved->addrs[i], &port_temp); - if (errors[i] == GRPC_ERROR_NONE) { - if (port_num == -1) { - port_num = port_temp; - } else { - GPR_ASSERT(port_num == port_temp); - } - count++; - } - } - if (count == 0) { - char *msg; - gpr_asprintf(&msg, "No address added out of total %" PRIuPTR " resolved", - resolved->naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, resolved->naddrs); - gpr_free(msg); - goto error; - } else if (count != resolved->naddrs) { - char *msg; - gpr_asprintf(&msg, "Only %" PRIuPTR - " addresses added out of total %" PRIuPTR " resolved", - count, resolved->naddrs); - err = GRPC_ERROR_CREATE_REFERENCING(msg, errors, resolved->naddrs); - gpr_free(msg); - - const char *warning_message = grpc_error_string(err); - gpr_log(GPR_INFO, "WARNING: %s", warning_message); - grpc_error_free_string(warning_message); - /* we managed to bind some addresses: continue */ - } else { - for (i = 0; i < resolved->naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - } - gpr_free(errors); - errors = NULL; - grpc_resolved_addresses_destroy(resolved); - - /* Register with the server only upon success */ - grpc_server_add_listener(&exec_ctx, server, server_state, - server_start_listener, server_destroy_listener); - - grpc_exec_ctx_finish(&exec_ctx); return port_num; - -/* Error path: cleanup and return */ -error: - GPR_ASSERT(err != GRPC_ERROR_NONE); - if (errors != NULL) { - for (i = 0; i < resolved->naddrs; i++) { - GRPC_ERROR_UNREF(errors[i]); - } - gpr_free(errors); - } - if (resolved) { - grpc_resolved_addresses_destroy(resolved); - } - if (tcp) { - grpc_tcp_server_unref(&exec_ctx, tcp); - } else { - if (sc) { - grpc_exec_ctx_flush(&exec_ctx); - GRPC_SECURITY_CONNECTOR_UNREF(&sc->base, "server"); - } - if (server_state) { - gpr_free(server_state); - } - } - grpc_exec_ctx_finish(&exec_ctx); - const char *msg = grpc_error_string(err); - GRPC_ERROR_UNREF(err); - gpr_log(GPR_ERROR, "%s", msg); - grpc_error_free_string(msg); - return 0; } diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c index 3eef80b557..8db36e4a7f 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c @@ -34,6 +34,7 @@ #include "src/core/ext/transport/chttp2/transport/bin_decoder.h" #include <grpc/support/alloc.h> #include <grpc/support/log.h> +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" @@ -143,7 +144,8 @@ bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx) { return true; } -grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { +grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, + grpc_slice input) { size_t input_length = GRPC_SLICE_LENGTH(input); size_t output_length = input_length / 4 * 3; struct grpc_base64_decode_context ctx; @@ -179,7 +181,7 @@ grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { char *s = grpc_dump_slice(input, GPR_DUMP_ASCII); gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); gpr_free(s); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output)); @@ -187,7 +189,8 @@ grpc_slice grpc_chttp2_base64_decode(grpc_slice input) { return output; } -grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, +grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx, + grpc_slice input, size_t output_length) { size_t input_length = GRPC_SLICE_LENGTH(input); grpc_slice output = grpc_slice_malloc(output_length); @@ -200,7 +203,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, "grpc_chttp2_base64_decode_with_length has a length of %d, which " "has a tail of 1 byte.\n", (int)input_length); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } @@ -210,7 +213,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, "than the max possible output length %d.\n", (int)output_length, (int)(input_length / 4 * 3 + tail_xtra[input_length % 4])); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } @@ -224,7 +227,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, char *s = grpc_dump_slice(input, GPR_DUMP_ASCII); gpr_log(GPR_ERROR, "Base64 decoding failed, input string:\n%s\n", s); gpr_free(s); - grpc_slice_unref(output); + grpc_slice_unref_internal(exec_ctx, output); return gpr_empty_slice(); } GPR_ASSERT(ctx.output_cur == GRPC_SLICE_END_PTR(output)); diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.h b/src/core/ext/transport/chttp2/transport/bin_decoder.h index 83a90be519..48ffb2ae3b 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.h +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.h @@ -55,12 +55,13 @@ bool grpc_base64_decode_partial(struct grpc_base64_decode_context *ctx); /* base64 decode a slice with pad chars. Returns a new slice, does not take ownership of the input. Returns an empty slice if decoding is failed. */ -grpc_slice grpc_chttp2_base64_decode(grpc_slice input); +grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, grpc_slice input); /* base64 decode a slice without pad chars, data length is needed. Returns a new slice, does not take ownership of the input. Returns an empty slice if decoding is failed. */ -grpc_slice grpc_chttp2_base64_decode_with_length(grpc_slice input, +grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx, + grpc_slice input, size_t output_length); #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_DECODER_H */ diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h index 9e143b46e2..477559d0e2 100644 --- a/src/core/ext/transport/chttp2/transport/bin_encoder.h +++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h @@ -47,7 +47,7 @@ grpc_slice grpc_chttp2_huffman_compress(grpc_slice input); /* equivalent to: grpc_slice x = grpc_chttp2_base64_encode(input); grpc_slice y = grpc_chttp2_huffman_compress(x); - grpc_slice_unref(x); + grpc_slice_unref_internal(exec_ctx, x); return y; */ grpc_slice grpc_chttp2_base64_encode_and_huffman_compress_impl( grpc_slice input); diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 4e3c7ff681..68a6a2155d 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -47,10 +47,12 @@ #include "src/core/ext/transport/chttp2/transport/http2_errors.h" #include "src/core/ext/transport/chttp2/transport/internal.h" #include "src/core/ext/transport/chttp2/transport/status_conversion.h" +#include "src/core/ext/transport/chttp2/transport/varint.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/http/parser.h" #include "src/core/lib/iomgr/workqueue.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/slice/slice_string_helpers.h" #include "src/core/lib/support/string.h" #include "src/core/lib/transport/static_metadata.h" @@ -60,7 +62,7 @@ #define DEFAULT_WINDOW 65535 #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024) #define MAX_WINDOW 0x7fffffffu - +#define MAX_WRITE_BUFFER_SIZE (64 * 1024 * 1024) #define DEFAULT_MAX_HEADER_LIST_SIZE (16 * 1024) #define MAX_CLIENT_STREAM_ID 0x7fffffffu @@ -73,20 +75,14 @@ static const grpc_transport_vtable vtable; static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void write_action(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void write_action_end(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void read_action_begin(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void read_action_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); static void complete_fetch_locked(grpc_exec_ctx *exec_ctx, void *gs, grpc_error *error); -static void complete_fetch(grpc_exec_ctx *exec_ctx, void *gs, - grpc_error *error); /** Set a transport level setting, and push it to our peer */ static void push_setting(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_setting_id id, uint32_t value); @@ -111,16 +107,9 @@ static void incoming_byte_stream_update_flow_control(grpc_exec_ctx *exec_ctx, static void incoming_byte_stream_destroy_locked(grpc_exec_ctx *exec_ctx, void *byte_stream, grpc_error *error_ignored); -static void fail_pending_writes(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_chttp2_stream *s, - grpc_error *error); -static void benign_reclaimer(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); -static void destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *t, - grpc_error *error); static void destructive_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *t, grpc_error *error); @@ -144,13 +133,13 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, grpc_endpoint_destroy(exec_ctx, t->ep); - grpc_slice_buffer_destroy(&t->qbuf); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->qbuf); - grpc_slice_buffer_destroy(&t->outbuf); - grpc_chttp2_hpack_compressor_destroy(&t->hpack_compressor); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->outbuf); + grpc_chttp2_hpack_compressor_destroy(exec_ctx, &t->hpack_compressor); - grpc_slice_buffer_destroy(&t->read_buffer); - grpc_chttp2_hpack_parser_destroy(&t->hpack_parser); + grpc_slice_buffer_destroy_internal(exec_ctx, &t->read_buffer); + grpc_chttp2_hpack_parser_destroy(exec_ctx, &t->hpack_parser); grpc_chttp2_goaway_parser_destroy(&t->goaway_parser); for (i = 0; i < STREAM_LIST_COUNT; i++) { @@ -169,8 +158,8 @@ static void destruct_transport(grpc_exec_ctx *exec_ctx, and maybe they hold resources that need to be freed */ while (t->pings.next != &t->pings) { grpc_chttp2_outstanding_ping *ping = t->pings.next; - grpc_exec_ctx_sched(exec_ctx, ping->on_recv, - GRPC_ERROR_CREATE("Transport closed"), NULL); + grpc_closure_sched(exec_ctx, ping->on_recv, + GRPC_ERROR_CREATE("Transport closed")); ping->next->prev = ping->prev; ping->prev->next = ping->next; gpr_free(ping); @@ -249,21 +238,18 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_slice_buffer_init(&t->outbuf); grpc_chttp2_hpack_compressor_init(&t->hpack_compressor); - grpc_closure_init(&t->write_action_begin_locked, write_action_begin_locked, - t); - grpc_closure_init(&t->write_action, write_action, t); - grpc_closure_init(&t->write_action_end, write_action_end, t); - grpc_closure_init(&t->write_action_end_locked, write_action_end_locked, t); - grpc_closure_init(&t->read_action_begin, read_action_begin, t); - grpc_closure_init(&t->read_action_locked, read_action_locked, t); - grpc_closure_init(&t->benign_reclaimer, benign_reclaimer, t); - grpc_closure_init(&t->destructive_reclaimer, destructive_reclaimer, t); - grpc_closure_init(&t->benign_reclaimer_locked, benign_reclaimer_locked, t); + grpc_closure_init(&t->write_action, write_action, t, + grpc_schedule_on_exec_ctx); + grpc_closure_init(&t->read_action_locked, read_action_locked, t, + grpc_combiner_scheduler(t->combiner, false)); + grpc_closure_init(&t->benign_reclaimer_locked, benign_reclaimer_locked, t, + grpc_combiner_scheduler(t->combiner, false)); grpc_closure_init(&t->destructive_reclaimer_locked, - destructive_reclaimer_locked, t); + destructive_reclaimer_locked, t, + grpc_combiner_scheduler(t->combiner, false)); grpc_chttp2_goaway_parser_init(&t->goaway_parser); - grpc_chttp2_hpack_parser_init(&t->hpack_parser); + grpc_chttp2_hpack_parser_init(exec_ctx, &t->hpack_parser); grpc_slice_buffer_init(&t->read_buffer); @@ -285,6 +271,7 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, window -- this should by rights be 0 */ t->force_send_settings = 1 << GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE; t->sent_local_settings = 0; + t->write_buffer_size = DEFAULT_WINDOW; if (is_client) { grpc_slice_buffer_add(&t->outbuf, grpc_slice_from_copied_string( @@ -335,6 +322,11 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_hpack_compressor_set_max_usable_size(&t->hpack_compressor, (uint32_t)value); } + } else if (0 == strcmp(channel_args->args[i].key, + GRPC_ARG_HTTP2_WRITE_BUFFER_SIZE)) { + t->write_buffer_size = (uint32_t)grpc_channel_arg_get_integer( + &channel_args->args[i], + (grpc_integer_options){0, 0, MAX_WRITE_BUFFER_SIZE}); } else { static const struct { const char *channel_arg_name; @@ -398,9 +390,10 @@ static void destroy_transport_locked(grpc_exec_ctx *exec_ctx, void *tp, static void destroy_transport(grpc_exec_ctx *exec_ctx, grpc_transport *gt) { grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt; - grpc_combiner_execute(exec_ctx, t->combiner, - grpc_closure_create(destroy_transport_locked, t), - GRPC_ERROR_NONE, false); + grpc_closure_sched(exec_ctx, grpc_closure_create( + destroy_transport_locked, t, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); } static void close_transport_locked(grpc_exec_ctx *exec_ctx, @@ -474,8 +467,8 @@ static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_chttp2_data_parser_init(&s->data_parser); grpc_slice_buffer_init(&s->flow_controlled_buffer); s->deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC); - grpc_closure_init(&s->complete_fetch, complete_fetch, s); - grpc_closure_init(&s->complete_fetch_locked, complete_fetch_locked, s); + grpc_closure_init(&s->complete_fetch_locked, complete_fetch_locked, s, + grpc_schedule_on_exec_ctx); GRPC_CHTTP2_REF_TRANSPORT(t, "stream"); @@ -530,9 +523,11 @@ static void destroy_stream_locked(grpc_exec_ctx *exec_ctx, void *sp, GPR_ASSERT(s->recv_message_ready == NULL); GPR_ASSERT(s->recv_trailing_metadata_finished == NULL); grpc_chttp2_data_parser_destroy(exec_ctx, &s->data_parser); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[0]); - grpc_chttp2_incoming_metadata_buffer_destroy(&s->metadata_buffer[1]); - grpc_slice_buffer_destroy(&s->flow_controlled_buffer); + grpc_chttp2_incoming_metadata_buffer_destroy(exec_ctx, + &s->metadata_buffer[0]); + grpc_chttp2_incoming_metadata_buffer_destroy(exec_ctx, + &s->metadata_buffer[1]); + grpc_slice_buffer_destroy_internal(exec_ctx, &s->flow_controlled_buffer); GRPC_ERROR_UNREF(s->read_closed_error); GRPC_ERROR_UNREF(s->write_closed_error); @@ -550,9 +545,10 @@ static void destroy_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt, grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs; s->destroy_stream_arg = and_free_memory; - grpc_closure_init(&s->destroy_stream, destroy_stream_locked, s); - grpc_combiner_execute(exec_ctx, t->combiner, &s->destroy_stream, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, grpc_closure_init(&s->destroy_stream, destroy_stream_locked, s, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("destroy_stream", 0); } @@ -602,11 +598,13 @@ static void set_write_state(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, write_state_name(t->write_state), write_state_name(st), reason)); t->write_state = st; - if (st == GRPC_CHTTP2_WRITE_STATE_IDLE && - t->close_transport_on_writes_finished != NULL) { - grpc_error *err = t->close_transport_on_writes_finished; - t->close_transport_on_writes_finished = NULL; - close_transport_locked(exec_ctx, t, err); + if (st == GRPC_CHTTP2_WRITE_STATE_IDLE) { + grpc_closure_list_sched(exec_ctx, &t->run_after_write); + if (t->close_transport_on_writes_finished != NULL) { + grpc_error *err = t->close_transport_on_writes_finished; + t->close_transport_on_writes_finished = NULL; + close_transport_locked(exec_ctx, t, err); + } } } @@ -619,9 +617,12 @@ void grpc_chttp2_initiate_write(grpc_exec_ctx *exec_ctx, case GRPC_CHTTP2_WRITE_STATE_IDLE: set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, reason); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, covered_by_poller); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &t->write_action_begin_locked, write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, covered_by_poller)), + GRPC_ERROR_NONE); break; case GRPC_CHTTP2_WRITE_STATE_WRITING: set_write_state( @@ -663,7 +664,7 @@ static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *gt, if (!t->closed && grpc_chttp2_begin_write(exec_ctx, t)) { set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "begin writing"); - grpc_exec_ctx_sched(exec_ctx, &t->write_action, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, &t->write_action, GRPC_ERROR_NONE); } else { set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_IDLE, "begin writing nothing"); @@ -675,19 +676,13 @@ static void write_action_begin_locked(grpc_exec_ctx *exec_ctx, void *gt, static void write_action(grpc_exec_ctx *exec_ctx, void *gt, grpc_error *error) { grpc_chttp2_transport *t = gt; GPR_TIMER_BEGIN("write_action", 0); - grpc_endpoint_write(exec_ctx, t->ep, &t->outbuf, &t->write_action_end); + grpc_endpoint_write( + exec_ctx, t->ep, &t->outbuf, + grpc_closure_init(&t->write_action_end_locked, write_action_end_locked, t, + grpc_combiner_scheduler(t->combiner, false))); GPR_TIMER_END("write_action", 0); } -static void write_action_end(grpc_exec_ctx *exec_ctx, void *gt, - grpc_error *error) { - grpc_chttp2_transport *t = gt; - GPR_TIMER_BEGIN("write_action_end", 0); - grpc_combiner_execute(exec_ctx, t->combiner, &t->write_action_end_locked, - GRPC_ERROR_REF(error), false); - GPR_TIMER_END("write_action_end", 0); -} - static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, grpc_error *error) { GPR_TIMER_BEGIN("terminate_writing_with_lock", 0); @@ -704,8 +699,6 @@ static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, } } - grpc_chttp2_end_write(exec_ctx, t, GRPC_ERROR_REF(error)); - switch (t->write_state) { case GRPC_CHTTP2_WRITE_STATE_IDLE: GPR_UNREACHABLE_CODE(break); @@ -719,21 +712,29 @@ static void write_action_end_locked(grpc_exec_ctx *exec_ctx, void *tp, set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "continue writing [!covered]"); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, false); + grpc_closure_run( + exec_ctx, + grpc_closure_init( + &t->write_action_begin_locked, write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); break; case GRPC_CHTTP2_WRITE_STATE_WRITING_WITH_MORE_AND_COVERED_BY_POLLER: GPR_TIMER_MARK("state=writing_stale_with_poller", 0); set_write_state(exec_ctx, t, GRPC_CHTTP2_WRITE_STATE_WRITING, "continue writing [covered]"); GRPC_CHTTP2_REF_TRANSPORT(t, "writing"); - grpc_combiner_execute_finally(exec_ctx, t->combiner, - &t->write_action_begin_locked, - GRPC_ERROR_NONE, true); + grpc_closure_run( + exec_ctx, + grpc_closure_init(&t->write_action_begin_locked, + write_action_begin_locked, t, + grpc_combiner_finally_scheduler(t->combiner, true)), + GRPC_ERROR_NONE); break; } + grpc_chttp2_end_write(exec_ctx, t, GRPC_ERROR_REF(error)); + GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "writing"); GPR_TIMER_END("terminate_writing_with_lock", 0); } @@ -761,7 +762,7 @@ void grpc_chttp2_add_incoming_goaway(grpc_exec_ctx *exec_ctx, char *msg = grpc_dump_slice(goaway_text, GPR_DUMP_HEX | GPR_DUMP_ASCII); GRPC_CHTTP2_IF_TRACING( gpr_log(GPR_DEBUG, "got goaway [%d]: %s", goaway_error, msg)); - grpc_slice_unref(goaway_text); + grpc_slice_unref_internal(exec_ctx, goaway_text); t->seen_goaway = 1; /* lie: use transient failure from the transport to indicate goaway has been * received */ @@ -823,7 +824,14 @@ static void maybe_start_some_streams(grpc_exec_ctx *exec_ctx, } } +/* Flag that this closure barrier wants stats to be updated before finishing */ #define CLOSURE_BARRIER_STATS_BIT (1 << 0) +/* Flag that this closure barrier may be covering a write in a pollset, and so + we should not complete this closure until we can prove that the write got + scheduled */ +#define CLOSURE_BARRIER_MAY_COVER_WRITE (1 << 1) +/* First bit of the reference count, stored in the high order bits (with the low + bits being used for flags defined above) */ #define CLOSURE_BARRIER_FIRST_REF_BIT (1 << 16) static grpc_closure *add_closure_barrier(grpc_closure *closure) { @@ -850,6 +858,16 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx, return; } closure->next_data.scratch -= CLOSURE_BARRIER_FIRST_REF_BIT; + if (grpc_http_trace) { + const char *errstr = grpc_error_string(error); + gpr_log(GPR_DEBUG, + "complete_closure_step: %p refs=%d flags=0x%04x desc=%s err=%s", + closure, + (int)(closure->next_data.scratch / CLOSURE_BARRIER_FIRST_REF_BIT), + (int)(closure->next_data.scratch % CLOSURE_BARRIER_FIRST_REF_BIT), + desc, errstr); + grpc_error_free_string(errstr); + } if (error != GRPC_ERROR_NONE) { if (closure->error_data.error == GRPC_ERROR_NONE) { closure->error_data.error = @@ -866,7 +884,13 @@ void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx, grpc_transport_move_stats(&s->stats, s->collecting_stats); s->collecting_stats = NULL; } - grpc_closure_run(exec_ctx, closure, closure->error_data.error); + if ((t->write_state == GRPC_CHTTP2_WRITE_STATE_IDLE) || + !(closure->next_data.scratch & CLOSURE_BARRIER_MAY_COVER_WRITE)) { + grpc_closure_run(exec_ctx, closure, closure->error_data.error); + } else { + grpc_closure_list_append(&t->run_after_write, closure, + closure->error_data.error); + } } } @@ -881,15 +905,22 @@ static bool contains_non_ok_status(grpc_metadata_batch *batch) { return false; } +static void maybe_become_writable_due_to_send_msg(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s) { + if (s->id != 0 && (!s->write_buffering || + s->flow_controlled_buffer.length > t->write_buffer_size)) { + grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); + } +} + static void add_fetched_slice_locked(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s) { s->fetched_send_message_length += (uint32_t)GRPC_SLICE_LENGTH(s->fetching_slice); grpc_slice_buffer_add(&s->flow_controlled_buffer, s->fetching_slice); - if (s->id != 0) { - grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); - } + maybe_become_writable_due_to_send_msg(exec_ctx, t, s); } static void continue_fetching_send_locked(grpc_exec_ctx *exec_ctx, @@ -943,15 +974,6 @@ static void complete_fetch_locked(grpc_exec_ctx *exec_ctx, void *gs, } } -static void complete_fetch(grpc_exec_ctx *exec_ctx, void *gs, - grpc_error *error) { - grpc_chttp2_stream *s = gs; - grpc_chttp2_transport *t = s->t; - grpc_combiner_execute(exec_ctx, t->combiner, &s->complete_fetch_locked, - GRPC_ERROR_REF(error), - s->complete_fetch_covered_by_poller); -} - static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {} static void log_metadata(const grpc_metadata_batch *md_batch, uint32_t id, @@ -987,7 +1009,8 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, grpc_closure *on_complete = op->on_complete; if (on_complete == NULL) { - on_complete = grpc_closure_create(do_nothing, NULL); + on_complete = + grpc_closure_create(do_nothing, NULL, grpc_schedule_on_exec_ctx); } /* use final_data as a barrier until enqueue time; the inital counter is @@ -1011,6 +1034,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, if (op->send_initial_metadata != NULL) { GPR_ASSERT(s->send_initial_metadata_finished == NULL); + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_initial_metadata_finished = add_closure_barrier(on_complete); s->send_initial_metadata = op->send_initial_metadata; const size_t metadata_size = @@ -1064,6 +1088,7 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, } if (op->send_message != NULL) { + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->fetching_send_message_finished = add_closure_barrier(op->on_complete); if (s->write_closed) { grpc_chttp2_complete_closure_step( @@ -1088,21 +1113,22 @@ static void perform_stream_op_locked(grpc_exec_ctx *exec_ctx, void *stream_op, (int64_t)len; s->complete_fetch_covered_by_poller = op->covered_by_poller; if (flags & GRPC_WRITE_BUFFER_HINT) { - /* allow up to 64kb to be buffered */ - /* TODO(ctiller): make this configurable */ - s->next_message_end_offset -= 65536; + s->next_message_end_offset -= t->write_buffer_size; + s->write_buffering = true; + } else { + s->write_buffering = false; } continue_fetching_send_locked(exec_ctx, t, s); - if (s->id != 0) { - grpc_chttp2_become_writable(exec_ctx, t, s, true, "op.send_message"); - } + maybe_become_writable_due_to_send_msg(exec_ctx, t, s); } } if (op->send_trailing_metadata != NULL) { GPR_ASSERT(s->send_trailing_metadata_finished == NULL); + on_complete->next_data.scratch |= CLOSURE_BARRIER_MAY_COVER_WRITE; s->send_trailing_metadata_finished = add_closure_barrier(on_complete); s->send_trailing_metadata = op->send_trailing_metadata; + s->write_buffering = false; const size_t metadata_size = grpc_metadata_batch_size(op->send_trailing_metadata); const size_t metadata_peer_limit = @@ -1187,13 +1213,15 @@ static void perform_stream_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, gpr_free(str); } - grpc_closure_init(&op->transport_private.closure, perform_stream_op_locked, - op); op->transport_private.args[0] = gt; op->transport_private.args[1] = gs; GRPC_CHTTP2_STREAM_REF(s, "perform_stream_op"); - grpc_combiner_execute(exec_ctx, t->combiner, &op->transport_private.closure, - GRPC_ERROR_NONE, op->covered_by_poller); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &op->transport_private.closure, perform_stream_op_locked, op, + grpc_combiner_scheduler(t->combiner, op->covered_by_poller)), + GRPC_ERROR_NONE); GPR_TIMER_END("perform_stream_op", 0); } @@ -1222,7 +1250,7 @@ void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_outstanding_ping *ping; for (ping = t->pings.next; ping != &t->pings; ping = ping->next) { if (0 == memcmp(opaque_8bytes, ping->id, 8)) { - grpc_exec_ctx_sched(exec_ctx, ping->on_recv, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, ping->on_recv, GRPC_ERROR_NONE); ping->next->prev = ping->prev; ping->prev->next = ping->next; gpr_free(ping); @@ -1260,7 +1288,7 @@ static void perform_transport_op_locked(grpc_exec_ctx *exec_ctx, if (op->send_goaway) { send_goaway(exec_ctx, t, grpc_chttp2_grpc_status_to_http2_error(op->goaway_status), - grpc_slice_ref(*op->goaway_message)); + grpc_slice_ref_internal(*op->goaway_message)); } if (op->set_accept_stream) { @@ -1296,11 +1324,12 @@ static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt, char *msg = grpc_transport_op_string(op); gpr_free(msg); op->transport_private.args[0] = gt; - grpc_closure_init(&op->transport_private.closure, perform_transport_op_locked, - op); GRPC_CHTTP2_REF_TRANSPORT(t, "transport_op"); - grpc_combiner_execute(exec_ctx, t->combiner, &op->transport_private.closure, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, grpc_closure_init(&op->transport_private.closure, + perform_transport_op_locked, op, + grpc_combiner_scheduler(t->combiner, false)), + GRPC_ERROR_NONE); } /******************************************************************************* @@ -1490,21 +1519,22 @@ void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, char status_string[GPR_LTOA_MIN_BUFSIZE]; gpr_ltoa(status, status_string); grpc_chttp2_incoming_metadata_buffer_add( - &s->metadata_buffer[1], - grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_STATUS, grpc_mdstr_from_string(status_string))); + &s->metadata_buffer[1], grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_GRPC_STATUS, + grpc_mdstr_from_string(status_string))); if (slice) { grpc_chttp2_incoming_metadata_buffer_add( &s->metadata_buffer[1], grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_MESSAGE, - grpc_mdstr_from_slice(grpc_slice_ref(*slice)))); + exec_ctx, GRPC_MDSTR_GRPC_MESSAGE, + grpc_mdstr_from_slice(exec_ctx, + grpc_slice_ref_internal(*slice)))); } s->published_metadata[1] = GRPC_METADATA_SYNTHESIZED_FROM_FAKE; grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } if (slice) { - grpc_slice_unref(*slice); + grpc_slice_unref_internal(exec_ctx, *slice); } } @@ -1534,9 +1564,9 @@ static grpc_error *removal_error(grpc_error *extra_error, grpc_chttp2_stream *s, return error; } -static void fail_pending_writes(grpc_exec_ctx *exec_ctx, - grpc_chttp2_transport *t, grpc_chttp2_stream *s, - grpc_error *error) { +void grpc_chttp2_fail_pending_writes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s, grpc_error *error) { error = removal_error(error, s, "Pending writes failed due to stream closure"); s->send_initial_metadata = NULL; @@ -1590,13 +1620,16 @@ void grpc_chttp2_mark_stream_closed(grpc_exec_ctx *exec_ctx, if (close_writes && !s->write_closed) { s->write_closed_error = GRPC_ERROR_REF(error); s->write_closed = true; - fail_pending_writes(exec_ctx, t, s, GRPC_ERROR_REF(error)); + grpc_chttp2_fail_pending_writes(exec_ctx, t, s, GRPC_ERROR_REF(error)); grpc_chttp2_maybe_complete_recv_trailing_metadata(exec_ctx, t, s); } if (s->read_closed && s->write_closed) { if (s->id != 0) { remove_stream(exec_ctx, t, s->id, removal_error(GRPC_ERROR_REF(error), s, "Stream removed")); + } else { + /* Purge streams waiting on concurrency still waiting for id assignment */ + grpc_chttp2_list_remove_waiting_for_concurrency(t, s); } GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2"); } @@ -1657,8 +1690,9 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, if (optional_message != NULL) { size_t msg_len = strlen(optional_message); - GPR_ASSERT(msg_len < 127); - message_pfx = grpc_slice_malloc(15); + GPR_ASSERT(msg_len <= UINT32_MAX); + uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 0); + message_pfx = grpc_slice_malloc(14 + msg_len_len); p = GRPC_SLICE_START_PTR(message_pfx); *p++ = 0x40; *p++ = 12; /* len(grpc-message) */ @@ -1674,7 +1708,9 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, *p++ = 'a'; *p++ = 'g'; *p++ = 'e'; - *p++ = (uint8_t)msg_len; + GRPC_CHTTP2_WRITE_VARINT((uint32_t)msg_len, 0, 0, p, + (uint32_t)msg_len_len); + p += msg_len_len; GPR_ASSERT(p == GRPC_SLICE_END_PTR(message_pfx)); len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx); len += (uint32_t)msg_len; @@ -1773,19 +1809,6 @@ static void update_global_window(void *args, uint32_t id, void *stream) { * INPUT PROCESSING - PARSING */ -static void read_action_begin(grpc_exec_ctx *exec_ctx, void *tp, - grpc_error *error) { - /* Control flow: - reading_action_locked -> - (parse_unlocked -> post_parse_locked)? -> - post_reading_action_locked */ - GPR_TIMER_BEGIN("reading_action", 0); - grpc_chttp2_transport *t = tp; - grpc_combiner_execute(exec_ctx, t->combiner, &t->read_action_locked, - GRPC_ERROR_REF(error), false); - GPR_TIMER_END("reading_action", 0); -} - static grpc_error *try_http_parsing(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) { grpc_http_parser parser; @@ -1882,10 +1905,11 @@ static void read_action_locked(grpc_exec_ctx *exec_ctx, void *tp, keep_reading = true; GRPC_CHTTP2_REF_TRANSPORT(t, "keep_reading"); } - grpc_slice_buffer_reset_and_unref(&t->read_buffer); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &t->read_buffer); if (keep_reading) { - grpc_endpoint_read(exec_ctx, t->ep, &t->read_buffer, &t->read_action_begin); + grpc_endpoint_read(exec_ctx, t->ep, &t->read_buffer, + &t->read_action_locked); GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "keep_reading"); } else { GRPC_CHTTP2_UNREF_TRANSPORT(exec_ctx, t, "reading_action"); @@ -1936,7 +1960,7 @@ static void incoming_byte_stream_unref(grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs) { if (gpr_unref(&bs->refs)) { GRPC_ERROR_UNREF(bs->error); - grpc_slice_buffer_destroy(&bs->slices); + grpc_slice_buffer_destroy_internal(exec_ctx, &bs->slices); gpr_mu_destroy(&bs->slice_mu); gpr_free(bs); } @@ -2022,10 +2046,12 @@ static int incoming_byte_stream_next(grpc_exec_ctx *exec_ctx, bs->next_action.slice = slice; bs->next_action.max_size_hint = max_size_hint; bs->next_action.on_complete = on_complete; - grpc_closure_init(&bs->next_action.closure, incoming_byte_stream_next_locked, - bs); - grpc_combiner_execute(exec_ctx, bs->transport->combiner, - &bs->next_action.closure, GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &bs->next_action.closure, incoming_byte_stream_next_locked, bs, + grpc_combiner_scheduler(bs->transport->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("incoming_byte_stream_next", 0); return 0; } @@ -2047,10 +2073,12 @@ static void incoming_byte_stream_destroy(grpc_exec_ctx *exec_ctx, GPR_TIMER_BEGIN("incoming_byte_stream_destroy", 0); grpc_chttp2_incoming_byte_stream *bs = (grpc_chttp2_incoming_byte_stream *)byte_stream; - grpc_closure_init(&bs->destroy_action, incoming_byte_stream_destroy_locked, - bs); - grpc_combiner_execute(exec_ctx, bs->transport->combiner, &bs->destroy_action, - GRPC_ERROR_NONE, false); + grpc_closure_sched( + exec_ctx, + grpc_closure_init( + &bs->destroy_action, incoming_byte_stream_destroy_locked, bs, + grpc_combiner_scheduler(bs->transport->combiner, false)), + GRPC_ERROR_NONE); GPR_TIMER_END("incoming_byte_stream_destroy", 0); } @@ -2058,7 +2086,7 @@ static void incoming_byte_stream_publish_error( grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs, grpc_error *error) { GPR_ASSERT(error != GRPC_ERROR_NONE); - grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error), NULL); + grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_REF(error)); bs->on_next = NULL; GRPC_ERROR_UNREF(bs->error); bs->error = error; @@ -2075,7 +2103,7 @@ void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx, bs->remaining_bytes -= (uint32_t)GRPC_SLICE_LENGTH(slice); if (bs->on_next != NULL) { *bs->next = slice; - grpc_exec_ctx_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE, NULL); + grpc_closure_sched(exec_ctx, bs->on_next, GRPC_ERROR_NONE); bs->on_next = NULL; } else { grpc_slice_buffer_add(&bs->slices, slice); @@ -2143,7 +2171,7 @@ static void post_benign_reclaimer(grpc_exec_ctx *exec_ctx, GRPC_CHTTP2_REF_TRANSPORT(t, "benign_reclaimer"); grpc_resource_user_post_reclaimer(exec_ctx, grpc_endpoint_get_resource_user(t->ep), - false, &t->benign_reclaimer); + false, &t->benign_reclaimer_locked); } } @@ -2154,24 +2182,10 @@ static void post_destructive_reclaimer(grpc_exec_ctx *exec_ctx, GRPC_CHTTP2_REF_TRANSPORT(t, "destructive_reclaimer"); grpc_resource_user_post_reclaimer(exec_ctx, grpc_endpoint_get_resource_user(t->ep), - true, &t->destructive_reclaimer); + true, &t->destructive_reclaimer_locked); } } -static void benign_reclaimer(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - grpc_chttp2_transport *t = arg; - grpc_combiner_execute(exec_ctx, t->combiner, &t->benign_reclaimer_locked, - GRPC_ERROR_REF(error), false); -} - -static void destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *arg, - grpc_error *error) { - grpc_chttp2_transport *t = arg; - grpc_combiner_execute(exec_ctx, t->combiner, &t->destructive_reclaimer_locked, - GRPC_ERROR_REF(error), false); -} - static void benign_reclaimer_locked(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) { grpc_chttp2_transport *t = arg; @@ -2352,5 +2366,5 @@ void grpc_chttp2_transport_start_reading(grpc_exec_ctx *exec_ctx, grpc_slice_buffer_move_into(read_buffer, &t->read_buffer); gpr_free(read_buffer); } - read_action_begin(exec_ctx, t, GRPC_ERROR_NONE); + grpc_closure_sched(exec_ctx, &t->read_action_locked, GRPC_ERROR_NONE); } diff --git a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c index b4c5ed769b..20043f5fbf 100644 --- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c +++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c @@ -109,7 +109,7 @@ grpc_error *grpc_chttp2_rst_stream_parser_parse(grpc_exec_ctx *exec_ctx, (((uint32_t)p->reason_bytes[2]) << 8) | (((uint32_t)p->reason_bytes[3])); grpc_error *error = GRPC_ERROR_NONE; - if (reason != GRPC_CHTTP2_NO_ERROR) { + if (reason != GRPC_CHTTP2_NO_ERROR || s->header_frames_received < 2) { error = grpc_error_set_int(GRPC_ERROR_CREATE("RST_STREAM"), GRPC_ERROR_INT_HTTP2_ERROR, (intptr_t)reason); grpc_status_code status_code = grpc_chttp2_http2_error_to_grpc_status( diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c index eb68fe3138..49a8326f62 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c @@ -48,6 +48,7 @@ #include "src/core/ext/transport/chttp2/transport/bin_encoder.h" #include "src/core/ext/transport/chttp2/transport/hpack_table.h" #include "src/core/ext/transport/chttp2/transport/varint.h" +#include "src/core/lib/slice/slice_internal.h" #include "src/core/lib/transport/metadata.h" #include "src/core/lib/transport/static_metadata.h" #include "src/core/lib/transport/timeout_encoding.h" @@ -183,7 +184,8 @@ static void evict_entry(grpc_chttp2_hpack_compressor *c) { } /* add an element to the decoder table */ -static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { +static void add_elem(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c, + grpc_mdelem *elem) { uint32_t key_hash = elem->key->hash; uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash); uint32_t new_index = c->tail_remote_index + c->table_elems + 1; @@ -227,12 +229,12 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { } else if (c->indices_elems[HASH_FRAGMENT_2(elem_hash)] < c->indices_elems[HASH_FRAGMENT_3(elem_hash)]) { /* not there: replace oldest */ - GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_2(elem_hash)]); + GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[HASH_FRAGMENT_2(elem_hash)]); c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = GRPC_MDELEM_REF(elem); c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index; } else { /* not there: replace oldest */ - GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_3(elem_hash)]); + GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[HASH_FRAGMENT_3(elem_hash)]); c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = GRPC_MDELEM_REF(elem); c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index; } @@ -251,11 +253,11 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) { c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index; } else if (c->indices_keys[HASH_FRAGMENT_2(key_hash)] < c->indices_keys[HASH_FRAGMENT_3(key_hash)]) { - GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_2(key_hash)]); + GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[HASH_FRAGMENT_2(key_hash)]); c->entries_keys[HASH_FRAGMENT_2(key_hash)] = GRPC_MDSTR_REF(elem->key); c->indices_keys[HASH_FRAGMENT_2(key_hash)] = new_index; } else { - GRPC_MDSTR_UNREF(c->entries_keys[HASH_FRAGMENT_3(key_hash)]); + GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[HASH_FRAGMENT_3(key_hash)]); c->entries_keys[HASH_FRAGMENT_3(key_hash)] = GRPC_MDSTR_REF(elem->key); c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index; } @@ -294,7 +296,7 @@ static void emit_lithdr_incidx(grpc_chttp2_hpack_compressor *c, add_tiny_header_data(st, len_pfx), len_pfx); GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c, @@ -311,7 +313,7 @@ static void emit_lithdr_noidx(grpc_chttp2_hpack_compressor *c, add_tiny_header_data(st, len_pfx), len_pfx); GRPC_CHTTP2_WRITE_VARINT((uint32_t)len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c, @@ -327,10 +329,10 @@ static void emit_lithdr_incidx_v(grpc_chttp2_hpack_compressor *c, *add_tiny_header_data(st, 1) = 0x40; GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00, add_tiny_header_data(st, len_key_len), len_key_len); - add_header_data(st, grpc_slice_ref(elem->key->slice)); + add_header_data(st, grpc_slice_ref_internal(elem->key->slice)); GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c, @@ -346,10 +348,10 @@ static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c, *add_tiny_header_data(st, 1) = 0x00; GRPC_CHTTP2_WRITE_VARINT(len_key, 1, 0x00, add_tiny_header_data(st, len_key_len), len_key_len); - add_header_data(st, grpc_slice_ref(elem->key->slice)); + add_header_data(st, grpc_slice_ref_internal(elem->key->slice)); GRPC_CHTTP2_WRITE_VARINT(len_val, 1, huffman_prefix, add_tiny_header_data(st, len_val_len), len_val_len); - add_header_data(st, grpc_slice_ref(value_slice)); + add_header_data(st, grpc_slice_ref_internal(value_slice)); } static void emit_advertise_table_size_change(grpc_chttp2_hpack_compressor *c, @@ -366,8 +368,8 @@ static uint32_t dynidx(grpc_chttp2_hpack_compressor *c, uint32_t elem_index) { } /* encode an mdelem */ -static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, - framer_state *st) { +static void hpack_enc(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_compressor *c, + grpc_mdelem *elem, framer_state *st) { uint32_t key_hash = elem->key->hash; uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash); size_t decoder_space_usage; @@ -417,7 +419,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, /* HIT: key (first cuckoo hash) */ if (should_add_elem) { emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st); @@ -432,7 +434,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, /* HIT: key (first cuckoo hash) */ if (should_add_elem) { emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st); @@ -445,7 +447,7 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, if (should_add_elem) { emit_lithdr_incidx_v(c, elem, st); - add_elem(c, elem); + add_elem(exec_ctx, c, elem); return; } else { emit_lithdr_noidx_v(c, elem, st); @@ -457,16 +459,17 @@ static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem, #define STRLEN_LIT(x) (sizeof(x) - 1) #define TIMEOUT_KEY "grpc-timeout" -static void deadline_enc(grpc_chttp2_hpack_compressor *c, gpr_timespec deadline, +static void deadline_enc(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, gpr_timespec deadline, framer_state *st) { char timeout_str[GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE]; grpc_mdelem *mdelem; grpc_http2_encode_timeout( gpr_time_sub(deadline, gpr_now(deadline.clock_type)), timeout_str); mdelem = grpc_mdelem_from_metadata_strings( - GRPC_MDSTR_GRPC_TIMEOUT, grpc_mdstr_from_string(timeout_str)); - hpack_enc(c, mdelem, st); - GRPC_MDELEM_UNREF(mdelem); + exec_ctx, GRPC_MDSTR_GRPC_TIMEOUT, grpc_mdstr_from_string(timeout_str)); + hpack_enc(exec_ctx, c, mdelem, st); + GRPC_MDELEM_UNREF(exec_ctx, mdelem); } static uint32_t elems_for_bytes(uint32_t bytes) { return (bytes + 31) / 32; } @@ -483,11 +486,12 @@ void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c) { sizeof(*c->table_elem_size) * c->cap_table_elems); } -void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c) { +void grpc_chttp2_hpack_compressor_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c) { int i; for (i = 0; i < GRPC_CHTTP2_HPACKC_NUM_VALUES; i++) { - if (c->entries_keys[i]) GRPC_MDSTR_UNREF(c->entries_keys[i]); - if (c->entries_elems[i]) GRPC_MDELEM_UNREF(c->entries_elems[i]); + if (c->entries_keys[i]) GRPC_MDSTR_UNREF(exec_ctx, c->entries_keys[i]); + if (c->entries_elems[i]) GRPC_MDELEM_UNREF(exec_ctx, c->entries_elems[i]); } gpr_free(c->table_elem_size); } @@ -542,7 +546,8 @@ void grpc_chttp2_hpack_compressor_set_max_table_size( } } -void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, +void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, uint32_t stream_id, grpc_metadata_batch *metadata, int is_eof, size_t max_frame_size, @@ -571,11 +576,11 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, } grpc_metadata_batch_assert_ok(metadata); for (l = metadata->list.head; l; l = l->next) { - hpack_enc(c, l->md, &st); + hpack_enc(exec_ctx, c, l->md, &st); } deadline = metadata->deadline; if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) != 0) { - deadline_enc(c, deadline, &st); + deadline_enc(exec_ctx, c, deadline, &st); } finish_frame(&st, 1, is_eof); diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.h b/src/core/ext/transport/chttp2/transport/hpack_encoder.h index bcbd675ca2..3a35496ec8 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.h +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.h @@ -83,13 +83,15 @@ typedef struct { } grpc_chttp2_hpack_compressor; void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c); -void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c); +void grpc_chttp2_hpack_compressor_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c); void grpc_chttp2_hpack_compressor_set_max_table_size( grpc_chttp2_hpack_compressor *c, uint32_t max_table_size); void grpc_chttp2_hpack_compressor_set_max_usable_size( grpc_chttp2_hpack_compressor *c, uint32_t max_table_size); -void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, uint32_t id, +void grpc_chttp2_encode_header(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_compressor *c, uint32_t id, grpc_metadata_batch *metadata, int is_eof, size_t max_frame_size, grpc_transport_one_way_stats *stats, diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.c b/src/core/ext/transport/chttp2/transport/hpack_parser.c index 6a9200b8db..8b91cc760b 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_parser.c +++ b/src/core/ext/transport/chttp2/transport/hpack_parser.c @@ -670,11 +670,11 @@ static const uint8_t inverse_base64[256] = { static grpc_error *on_hdr(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, grpc_mdelem *md, int add_to_table) { if (add_to_table) { - grpc_error *err = grpc_chttp2_hptbl_add(&p->table, md); + grpc_error *err = grpc_chttp2_hptbl_add(exec_ctx, &p->table, md); if (err != GRPC_ERROR_NONE) return err; } if (p->on_header == NULL) { - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); return GRPC_ERROR_CREATE("on_header callback not set"); } p->on_header(exec_ctx, p->on_header_user_data, md); @@ -815,10 +815,10 @@ static grpc_error *finish_lithdr_incidx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 1); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 1); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -828,10 +828,10 @@ static grpc_error *finish_lithdr_incidx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 1); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 1); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -883,10 +883,10 @@ static grpc_error *finish_lithdr_notidx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -896,10 +896,10 @@ static grpc_error *finish_lithdr_notidx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -951,10 +951,10 @@ static grpc_error *finish_lithdr_nvridx(grpc_exec_ctx *exec_ctx, const uint8_t *end) { grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index); GPR_ASSERT(md != NULL); /* handled in string parsing */ - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, GRPC_MDSTR_REF(md->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -964,10 +964,10 @@ static grpc_error *finish_lithdr_nvridx_v(grpc_exec_ctx *exec_ctx, grpc_chttp2_hpack_parser *p, const uint8_t *cur, const uint8_t *end) { - grpc_error *err = on_hdr( - exec_ctx, p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key), - take_string(p, &p->value)), - 0); + grpc_error *err = on_hdr(exec_ctx, p, grpc_mdelem_from_metadata_strings( + exec_ctx, take_string(p, &p->key), + take_string(p, &p->value)), + 0); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -1020,7 +1020,7 @@ static grpc_error *finish_max_tbl_size(grpc_exec_ctx *exec_ctx, gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index); } grpc_error *err = - grpc_chttp2_hptbl_set_current_table_size(&p->table, p->index); + grpc_chttp2_hptbl_set_current_table_size(exec_ctx, &p->table, p->index); if (err != GRPC_ERROR_NONE) return parse_error(exec_ctx, p, cur, end, err); return parse_begin(exec_ctx, p, cur, end); } @@ -1534,7 +1534,8 @@ static grpc_error *parse_value_string_with_literal_key( /* PUBLIC INTERFACE */ -void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) { +void grpc_chttp2_hpack_parser_init(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p) { p->on_header = NULL; p->on_header_user_data = NULL; p->state = parse_begin; @@ -1546,7 +1547,7 @@ void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p) { p->value.length = 0; p->dynamic_table_update_allowed = 2; p->last_error = GRPC_ERROR_NONE; - grpc_chttp2_hptbl_init(&p->table); + grpc_chttp2_hptbl_init(exec_ctx, &p->table); } void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p) { @@ -1554,8 +1555,9 @@ void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p) { p->state = parse_stream_dep0; } -void grpc_chttp2_hpack_parser_destroy(grpc_chttp2_hpack_parser *p) { - grpc_chttp2_hptbl_destroy(&p->table); +void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p) { + grpc_chttp2_hptbl_destroy(exec_ctx, &p->table); GRPC_ERROR_UNREF(p->last_error); gpr_free(p->key.str); gpr_free(p->value.str); @@ -1634,10 +1636,11 @@ grpc_error *grpc_chttp2_header_parser_parse(grpc_exec_ctx *exec_ctx, however -- it might be that we receive a RST_STREAM following this and can avoid the extra write */ GRPC_CHTTP2_STREAM_REF(s, "final_rst"); - grpc_combiner_execute_finally( - exec_ctx, t->combiner, - grpc_closure_create(force_client_rst_stream, s), GRPC_ERROR_NONE, - false); + grpc_closure_sched( + exec_ctx, grpc_closure_create(force_client_rst_stream, s, + grpc_combiner_finally_scheduler( + t->combiner, false)), + GRPC_ERROR_NONE); } grpc_chttp2_mark_stream_closed(exec_ctx, t, s, true, false, GRPC_ERROR_NONE); diff --git a/src/core/ext/transport/chttp2/transport/hpack_parser.h b/src/core/ext/transport/chttp2/transport/hpack_parser.h index a39bf466cd..52ccf1e7a7 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_parser.h +++ b/src/core/ext/transport/chttp2/transport/hpack_parser.h @@ -99,8 +99,10 @@ struct grpc_chttp2_hpack_parser { grpc_chttp2_hptbl table; }; -void grpc_chttp2_hpack_parser_init(grpc_chttp2_hpack_parser *p); -void grpc_chttp2_hpack_parser_destroy(grpc_chttp2_hpack_parser *p); +void grpc_chttp2_hpack_parser_init(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p); +void grpc_chttp2_hpack_parser_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hpack_parser *p); void grpc_chttp2_hpack_parser_set_has_priority(grpc_chttp2_hpack_parser *p); diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.c b/src/core/ext/transport/chttp2/transport/hpack_table.c index 2dc793d304..26d4036d49 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_table.c +++ b/src/core/ext/transport/chttp2/transport/hpack_table.c @@ -179,7 +179,7 @@ static uint32_t entries_for_bytes(uint32_t bytes) { GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD; } -void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl) { +void grpc_chttp2_hptbl_init(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) { size_t i; memset(tbl, 0, sizeof(*tbl)); @@ -190,18 +190,20 @@ void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl) { tbl->ents = gpr_malloc(sizeof(*tbl->ents) * tbl->cap_entries); memset(tbl->ents, 0, sizeof(*tbl->ents) * tbl->cap_entries); for (i = 1; i <= GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) { - tbl->static_ents[i - 1] = - grpc_mdelem_from_strings(static_table[i].key, static_table[i].value); + tbl->static_ents[i - 1] = grpc_mdelem_from_strings( + exec_ctx, static_table[i].key, static_table[i].value); } } -void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl) { +void grpc_chttp2_hptbl_destroy(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl) { size_t i; for (i = 0; i < GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) { - GRPC_MDELEM_UNREF(tbl->static_ents[i]); + GRPC_MDELEM_UNREF(exec_ctx, tbl->static_ents[i]); } for (i = 0; i < tbl->num_ents; i++) { - GRPC_MDELEM_UNREF(tbl->ents[(tbl->first_ent + i) % tbl->cap_entries]); + GRPC_MDELEM_UNREF(exec_ctx, + tbl->ents[(tbl->first_ent + i) % tbl->cap_entries]); } gpr_free(tbl->ents); } @@ -224,7 +226,7 @@ grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl, } /* Evict one element from the table */ -static void evict1(grpc_chttp2_hptbl *tbl) { +static void evict1(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl) { grpc_mdelem *first_ent = tbl->ents[tbl->first_ent]; size_t elem_bytes = GRPC_SLICE_LENGTH(first_ent->key->slice) + GRPC_SLICE_LENGTH(first_ent->value->slice) + @@ -233,7 +235,7 @@ static void evict1(grpc_chttp2_hptbl *tbl) { tbl->mem_used -= (uint32_t)elem_bytes; tbl->first_ent = ((tbl->first_ent + 1) % tbl->cap_entries); tbl->num_ents--; - GRPC_MDELEM_UNREF(first_ent); + GRPC_MDELEM_UNREF(exec_ctx, first_ent); } static void rebuild_ents(grpc_chttp2_hptbl *tbl, uint32_t new_cap) { @@ -249,7 +251,8 @@ static void rebuild_ents(grpc_chttp2_hptbl *tbl, uint32_t new_cap) { tbl->first_ent = 0; } -void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, +void grpc_chttp2_hptbl_set_max_bytes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t max_bytes) { if (tbl->max_bytes == max_bytes) { return; @@ -258,12 +261,13 @@ void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, gpr_log(GPR_DEBUG, "Update hpack parser max size to %d", max_bytes); } while (tbl->mem_used > max_bytes) { - evict1(tbl); + evict1(exec_ctx, tbl); } tbl->max_bytes = max_bytes; } -grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t bytes) { if (tbl->current_table_bytes == bytes) { return GRPC_ERROR_NONE; @@ -281,7 +285,7 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes); } while (tbl->mem_used > bytes) { - evict1(tbl); + evict1(exec_ctx, tbl); } tbl->current_table_bytes = bytes; tbl->max_entries = entries_for_bytes(bytes); @@ -296,7 +300,8 @@ grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, return GRPC_ERROR_NONE; } -grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { +grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { /* determine how many bytes of buffer this entry represents */ size_t elem_bytes = GRPC_SLICE_LENGTH(md->key->slice) + GRPC_SLICE_LENGTH(md->value->slice) + @@ -326,14 +331,14 @@ grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) { * empty table. */ while (tbl->num_ents) { - evict1(tbl); + evict1(exec_ctx, tbl); } return GRPC_ERROR_NONE; } /* evict entries to ensure no overflow */ while (elem_bytes > (size_t)tbl->current_table_bytes - tbl->mem_used) { - evict1(tbl); + evict1(exec_ctx, tbl); } /* copy the finalized entry in */ diff --git a/src/core/ext/transport/chttp2/transport/hpack_table.h b/src/core/ext/transport/chttp2/transport/hpack_table.h index 2ca130e64b..144574ef06 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_table.h +++ b/src/core/ext/transport/chttp2/transport/hpack_table.h @@ -84,18 +84,21 @@ typedef struct { } grpc_chttp2_hptbl; /* initialize a hpack table */ -void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl); -void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl); -void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl, +void grpc_chttp2_hptbl_init(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl); +void grpc_chttp2_hptbl_destroy(grpc_exec_ctx *exec_ctx, grpc_chttp2_hptbl *tbl); +void grpc_chttp2_hptbl_set_max_bytes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t max_bytes); -grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_set_current_table_size(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, uint32_t bytes); /* lookup a table entry based on its hpack index */ grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl, uint32_t index); /* add a table entry to the index */ -grpc_error *grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, +grpc_error *grpc_chttp2_hptbl_add(grpc_exec_ctx *exec_ctx, + grpc_chttp2_hptbl *tbl, grpc_mdelem *md) GRPC_MUST_USE_RESULT; /* Find a key/value pair in the table... returns the index in the table of the most similar entry, or 0 if the value was not found */ diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.c b/src/core/ext/transport/chttp2/transport/incoming_metadata.c index 3e463a7995..5d1094999c 100644 --- a/src/core/ext/transport/chttp2/transport/incoming_metadata.c +++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.c @@ -46,11 +46,11 @@ void grpc_chttp2_incoming_metadata_buffer_init( } void grpc_chttp2_incoming_metadata_buffer_destroy( - grpc_chttp2_incoming_metadata_buffer *buffer) { + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer) { size_t i; if (!buffer->published) { for (i = 0; i < buffer->count; i++) { - GRPC_MDELEM_UNREF(buffer->elems[i].md); + GRPC_MDELEM_UNREF(exec_ctx, buffer->elems[i].md); } } gpr_free(buffer->elems); diff --git a/src/core/ext/transport/chttp2/transport/incoming_metadata.h b/src/core/ext/transport/chttp2/transport/incoming_metadata.h index df4343b93e..7a0c4da15f 100644 --- a/src/core/ext/transport/chttp2/transport/incoming_metadata.h +++ b/src/core/ext/transport/chttp2/transport/incoming_metadata.h @@ -49,7 +49,7 @@ typedef struct { void grpc_chttp2_incoming_metadata_buffer_init( grpc_chttp2_incoming_metadata_buffer *buffer); void grpc_chttp2_incoming_metadata_buffer_destroy( - grpc_chttp2_incoming_metadata_buffer *buffer); + grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_metadata_buffer *buffer); void grpc_chttp2_incoming_metadata_buffer_publish( grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch); diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h index b74233d992..ea7beb4c2b 100644 --- a/src/core/ext/transport/chttp2/transport/internal.h +++ b/src/core/ext/transport/chttp2/transport/internal.h @@ -212,10 +212,8 @@ struct grpc_chttp2_transport { grpc_closure write_action_begin_locked; grpc_closure write_action; - grpc_closure write_action_end; grpc_closure write_action_end_locked; - grpc_closure read_action_begin; grpc_closure read_action_locked; /** incoming read bytes */ @@ -251,6 +249,9 @@ struct grpc_chttp2_transport { int64_t announce_incoming_window; /** how much window would we like to have for incoming_window */ uint32_t connection_window_target; + /** how much data are we willing to buffer when the WRITE_BUFFER_HINT is set? + */ + uint32_t write_buffer_size; /** have we seen a goaway */ uint8_t seen_goaway; @@ -327,16 +328,17 @@ struct grpc_chttp2_transport { */ grpc_error *close_transport_on_writes_finished; + /* a list of closures to run after writes are finished */ + grpc_closure_list run_after_write; + /* buffer pool state */ /** have we scheduled a benign cleanup? */ bool benign_reclaimer_registered; /** have we scheduled a destructive cleanup? */ bool destructive_reclaimer_registered; /** benign cleanup closure */ - grpc_closure benign_reclaimer; grpc_closure benign_reclaimer_locked; /** destructive cleanup closure */ - grpc_closure destructive_reclaimer; grpc_closure destructive_reclaimer_locked; }; @@ -404,6 +406,9 @@ struct grpc_chttp2_stream { /** Has this stream seen an error. If true, then pending incoming frames can be thrown away. */ bool seen_error; + /** Are we buffering writes on this stream? If yes, we won't become writable + until there's enough queued up in the flow_controlled_buffer */ + bool write_buffering; /** the error that resulted in this stream being read-closed */ grpc_error *read_closed_error; @@ -493,6 +498,8 @@ void grpc_chttp2_list_add_waiting_for_concurrency(grpc_chttp2_transport *t, grpc_chttp2_stream *s); int grpc_chttp2_list_pop_waiting_for_concurrency(grpc_chttp2_transport *t, grpc_chttp2_stream **s); +void grpc_chttp2_list_remove_waiting_for_concurrency(grpc_chttp2_transport *t, + grpc_chttp2_stream *s); void grpc_chttp2_list_add_stalled_by_transport(grpc_chttp2_transport *t, grpc_chttp2_stream *s); @@ -689,4 +696,8 @@ void grpc_chttp2_maybe_complete_recv_trailing_metadata(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, grpc_chttp2_stream *s); +void grpc_chttp2_fail_pending_writes(grpc_exec_ctx *exec_ctx, + grpc_chttp2_transport *t, + grpc_chttp2_stream *s, grpc_error *error); + #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_INTERNAL_H */ diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c index 5efb49751c..4fb5dc7bd2 100644 --- a/src/core/ext/transport/chttp2/transport/parsing.c +++ b/src/core/ext/transport/chttp2/transport/parsing.c @@ -336,7 +336,7 @@ static grpc_error *skip_parser(grpc_exec_ctx *exec_ctx, void *parser, } static void skip_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_mdelem *md) { - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } static grpc_error *init_skip_frame_parser(grpc_exec_ctx *exec_ctx, @@ -477,7 +477,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp, grpc_chttp2_incoming_metadata_buffer_set_deadline( &s->metadata_buffer[0], gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout)); - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { const size_t new_size = s->metadata_buffer[0].size + GRPC_MDELEM_LENGTH(md); const size_t metadata_size_limit = @@ -495,7 +495,7 @@ static void on_initial_header(grpc_exec_ctx *exec_ctx, void *tp, GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); grpc_chttp2_parsing_become_skip_parser(exec_ctx, t); s->seen_error = true; - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { grpc_chttp2_incoming_metadata_buffer_add(&s->metadata_buffer[0], md); } @@ -538,7 +538,7 @@ static void on_trailing_header(grpc_exec_ctx *exec_ctx, void *tp, GRPC_ERROR_INT_GRPC_STATUS, GRPC_STATUS_RESOURCE_EXHAUSTED)); grpc_chttp2_parsing_become_skip_parser(exec_ctx, t); s->seen_error = true; - GRPC_MDELEM_UNREF(md); + GRPC_MDELEM_UNREF(exec_ctx, md); } else { grpc_chttp2_incoming_metadata_buffer_add(&s->metadata_buffer[1], md); } @@ -712,7 +712,7 @@ static grpc_error *init_settings_frame_parser(grpc_exec_ctx *exec_ctx, memcpy(t->settings[GRPC_ACKED_SETTINGS], t->settings[GRPC_SENT_SETTINGS], GRPC_CHTTP2_NUM_SETTINGS * sizeof(uint32_t)); grpc_chttp2_hptbl_set_max_bytes( - &t->hpack_parser.table, + exec_ctx, &t->hpack_parser.table, t->settings[GRPC_ACKED_SETTINGS] [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE]); t->sent_local_settings = 0; diff --git a/src/core/ext/transport/chttp2/transport/stream_lists.c b/src/core/ext/transport/chttp2/transport/stream_lists.c index 6d25b3ae57..a60264cc51 100644 --- a/src/core/ext/transport/chttp2/transport/stream_lists.c +++ b/src/core/ext/transport/chttp2/transport/stream_lists.c @@ -158,6 +158,11 @@ int grpc_chttp2_list_pop_waiting_for_concurrency(grpc_chttp2_transport *t, return stream_list_pop(t, s, GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); } +void grpc_chttp2_list_remove_waiting_for_concurrency(grpc_chttp2_transport *t, + grpc_chttp2_stream *s) { + stream_list_maybe_remove(t, s, GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY); +} + void grpc_chttp2_list_add_stalled_by_transport(grpc_chttp2_transport *t, grpc_chttp2_stream *s) { stream_list_add(t, s, GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT); diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c index 139e7387c4..ef2010af7b 100644 --- a/src/core/ext/transport/chttp2/transport/writing.c +++ b/src/core/ext/transport/chttp2/transport/writing.c @@ -39,6 +39,7 @@ #include "src/core/ext/transport/chttp2/transport/http2_errors.h" #include "src/core/lib/profiling/timers.h" +#include "src/core/lib/slice/slice_internal.h" static void add_to_write_list(grpc_chttp2_write_cb **list, grpc_chttp2_write_cb *cb) { @@ -119,7 +120,7 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx, /* send initial metadata if it's available */ if (!sent_initial_metadata && s->send_initial_metadata) { grpc_chttp2_encode_header( - &t->hpack_compressor, s->id, s->send_initial_metadata, 0, + exec_ctx, &t->hpack_compressor, s->id, s->send_initial_metadata, 0, t->settings[GRPC_ACKED_SETTINGS][GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], &s->stats.outgoing, &t->outbuf); s->send_initial_metadata = NULL; @@ -186,9 +187,9 @@ bool grpc_chttp2_begin_write(grpc_exec_ctx *exec_ctx, &s->stats.outgoing, &t->outbuf); } else { grpc_chttp2_encode_header( - &t->hpack_compressor, s->id, s->send_trailing_metadata, true, - t->settings[GRPC_ACKED_SETTINGS] - [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], + exec_ctx, &t->hpack_compressor, s->id, s->send_trailing_metadata, + true, t->settings[GRPC_ACKED_SETTINGS] + [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE], &s->stats.outgoing, &t->outbuf); } s->send_trailing_metadata = NULL; @@ -254,7 +255,7 @@ void grpc_chttp2_end_write(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, } GRPC_CHTTP2_STREAM_UNREF(exec_ctx, s, "chttp2_writing:end"); } - grpc_slice_buffer_reset_and_unref(&t->outbuf); + grpc_slice_buffer_reset_and_unref_internal(exec_ctx, &t->outbuf); GRPC_ERROR_UNREF(error); GPR_TIMER_END("grpc_chttp2_end_write", 0); } |