1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include <limits.h>
22 #include <stdbool.h>
23 #include <string.h>
24
25 #include <grpc/support/alloc.h>
26
27 #include "src/core/ext/filters/client_channel/client_channel.h"
28 #include "src/core/ext/filters/client_channel/client_channel_channelz.h"
29 #include "src/core/ext/filters/client_channel/http_connect_handshaker.h"
30 #include "src/core/ext/filters/client_channel/http_proxy.h"
31 #include "src/core/ext/filters/client_channel/lb_policy_registry.h"
32 #include "src/core/ext/filters/client_channel/proxy_mapper_registry.h"
33 #include "src/core/ext/filters/client_channel/resolver_registry.h"
34 #include "src/core/ext/filters/client_channel/retry_throttle.h"
35 #include "src/core/ext/filters/client_channel/subchannel_index.h"
36 #include "src/core/lib/surface/channel_init.h"
37
append_filter(grpc_channel_stack_builder * builder,void * arg)38 static bool append_filter(grpc_channel_stack_builder* builder, void* arg) {
39 const grpc_channel_args* args =
40 grpc_channel_stack_builder_get_channel_arguments(builder);
41 grpc_arg args_to_add[] = {
42 grpc_core::channelz::ClientChannelNode::CreateChannelArg()};
43 grpc_channel_args* new_args = grpc_channel_args_copy_and_add(
44 args, args_to_add, GPR_ARRAY_SIZE(args_to_add));
45 grpc_channel_stack_builder_set_channel_arguments(builder, new_args);
46 grpc_channel_args_destroy(new_args);
47 return grpc_channel_stack_builder_append_filter(
48 builder, static_cast<const grpc_channel_filter*>(arg), nullptr, nullptr);
49 }
50
grpc_client_channel_init(void)51 void grpc_client_channel_init(void) {
52 grpc_core::LoadBalancingPolicyRegistry::Builder::InitRegistry();
53 grpc_core::ResolverRegistry::Builder::InitRegistry();
54 grpc_core::internal::ServerRetryThrottleMap::Init();
55 grpc_proxy_mapper_registry_init();
56 grpc_register_http_proxy_mapper();
57 grpc_subchannel_index_init();
58 grpc_channel_init_register_stage(
59 GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, append_filter,
60 (void*)&grpc_client_channel_filter);
61 grpc_http_connect_register_handshaker_factory();
62 }
63
grpc_client_channel_shutdown(void)64 void grpc_client_channel_shutdown(void) {
65 grpc_subchannel_index_shutdown();
66 grpc_channel_init_shutdown();
67 grpc_proxy_mapper_registry_shutdown();
68 grpc_core::internal::ServerRetryThrottleMap::Shutdown();
69 grpc_core::ResolverRegistry::Builder::ShutdownRegistry();
70 grpc_core::LoadBalancingPolicyRegistry::Builder::ShutdownRegistry();
71 }
72