1 /*
2 *
3 * Copyright 2016 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 <grpc/grpc.h>
22 #include <grpc/grpc_posix.h>
23 #include <grpc/support/log.h>
24
25 #ifdef GPR_SUPPORT_CHANNELS_FROM_FD
26
27 #include "absl/strings/str_cat.h"
28
29 #include <grpc/support/alloc.h>
30
31 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
32 #include "src/core/lib/channel/channel_args.h"
33 #include "src/core/lib/iomgr/endpoint.h"
34 #include "src/core/lib/iomgr/exec_ctx.h"
35 #include "src/core/lib/iomgr/tcp_posix.h"
36 #include "src/core/lib/surface/completion_queue.h"
37 #include "src/core/lib/surface/server.h"
38
grpc_server_add_insecure_channel_from_fd(grpc_server * server,void * reserved,int fd)39 void grpc_server_add_insecure_channel_from_fd(grpc_server* server,
40 void* reserved, int fd) {
41 GPR_ASSERT(reserved == nullptr);
42
43 grpc_core::ExecCtx exec_ctx;
44 grpc_core::Server* core_server = server->core_server.get();
45
46 const grpc_channel_args* server_args = core_server->channel_args();
47 std::string name = absl::StrCat("fd:", fd);
48 grpc_endpoint* server_endpoint = grpc_tcp_create(
49 grpc_fd_create(fd, name.c_str(), true), server_args, name.c_str());
50
51 grpc_transport* transport = grpc_create_chttp2_transport(
52 server_args, server_endpoint, false /* is_client */);
53
54 grpc_error* error =
55 core_server->SetupTransport(transport, nullptr, server_args, nullptr);
56 if (error == GRPC_ERROR_NONE) {
57 for (grpc_pollset* pollset : core_server->pollsets()) {
58 grpc_endpoint_add_to_pollset(server_endpoint, pollset);
59 }
60 grpc_chttp2_transport_start_reading(transport, nullptr, nullptr);
61 } else {
62 gpr_log(GPR_ERROR, "Failed to create channel: %s",
63 grpc_error_string(error));
64 GRPC_ERROR_UNREF(error);
65 grpc_transport_destroy(transport);
66 }
67 }
68
69 #else // !GPR_SUPPORT_CHANNELS_FROM_FD
70
grpc_server_add_insecure_channel_from_fd(grpc_server * server,void * reserved,int fd)71 void grpc_server_add_insecure_channel_from_fd(grpc_server* server,
72 void* reserved, int fd) {
73 GPR_ASSERT(0);
74 }
75
76 #endif // GPR_SUPPORT_CHANNELS_FROM_FD
77