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/*
*
* 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/support/port_platform.h>
#include <grpc/grpc.h>
#include <grpc/grpc_posix.h>
#include <grpc/support/log.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/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_core::ExecCtx exec_ctx;
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(
grpc_fd_create(fd, "client", true), args, "fd-client");
grpc_transport* transport =
grpc_create_chttp2_transport(final_args, client, true);
GPR_ASSERT(transport);
grpc_channel* channel = grpc_channel_create(
target, final_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
grpc_channel_args_destroy(final_args);
grpc_chttp2_transport_start_reading(transport, nullptr, nullptr);
grpc_core::ExecCtx::Get()->Flush();
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 nullptr;
}
#endif // GPR_SUPPORT_CHANNELS_FROM_FD
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