| /* |
| * |
| * Copyright 2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_posix.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/port_platform.h> |
| |
| #ifdef GPR_SUPPORT_CHANNELS_FROM_FD |
| |
| #include <fcntl.h> |
| |
| #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/iomgr/endpoint.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/lib/iomgr/tcp_client_posix.h" |
| #include "src/core/lib/iomgr/tcp_posix.h" |
| #include "src/core/lib/surface/api_trace.h" |
| #include "src/core/lib/surface/channel.h" |
| #include "src/core/lib/transport/transport.h" |
| |
| grpc_channel* grpc_insecure_channel_create_from_fd( |
| const char* target, int fd, const grpc_channel_args* args) { |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| GRPC_API_TRACE("grpc_insecure_channel_create(target=%p, fd=%d, args=%p)", 3, |
| (target, fd, args)); |
| |
| grpc_arg default_authority_arg = grpc_channel_arg_string_create( |
| (char*)GRPC_ARG_DEFAULT_AUTHORITY, (char*)"test.authority"); |
| grpc_channel_args* final_args = |
| grpc_channel_args_copy_and_add(args, &default_authority_arg, 1); |
| |
| int flags = fcntl(fd, F_GETFL, 0); |
| GPR_ASSERT(fcntl(fd, F_SETFL, flags | O_NONBLOCK) == 0); |
| |
| grpc_endpoint* client = grpc_tcp_client_create_from_fd( |
| &exec_ctx, grpc_fd_create(fd, "client"), args, "fd-client"); |
| |
| grpc_transport* transport = |
| grpc_create_chttp2_transport(&exec_ctx, final_args, client, true); |
| GPR_ASSERT(transport); |
| grpc_channel* channel = grpc_channel_create( |
| &exec_ctx, target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport); |
| grpc_channel_args_destroy(&exec_ctx, final_args); |
| grpc_chttp2_transport_start_reading(&exec_ctx, transport, nullptr, nullptr); |
| |
| grpc_exec_ctx_finish(&exec_ctx); |
| |
| return channel != nullptr ? channel |
| : grpc_lame_client_channel_create( |
| target, GRPC_STATUS_INTERNAL, |
| "Failed to create client channel"); |
| } |
| |
| #else // !GPR_SUPPORT_CHANNELS_FROM_FD |
| |
| grpc_channel* grpc_insecure_channel_create_from_fd( |
| const char* target, int fd, const grpc_channel_args* args) { |
| GPR_ASSERT(0); |
| return NULL; |
| } |
| |
| #endif // GPR_SUPPORT_CHANNELS_FROM_FD |