Weibing Wang
119 lines
4.7 KiB
C++
119 lines
4.7 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// A server to receive requests from ubrpc clients.
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// This server can be accessed by the client in public/baidu-rpc-ub/example/echo_c++_compack_ubrpc as well.
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#include <gflags/gflags.h>
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#include <butil/logging.h>
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#include <brpc/server.h>
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#include <brpc/policy/ubrpc2pb_protocol.h>
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#include "echo.pb.h"
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DEFINE_int32(port, 8500, "TCP Port of this server");
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DEFINE_int32(idle_timeout_s, -1, "Connection will be closed if there is no "
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"read/write operations during the last `idle_timeout_s'");
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DEFINE_int32(logoff_ms, 2000, "Maximum duration of server's LOGOFF state "
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"(waiting for client to close connection before server stops)");
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// Your implementation of EchoService
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namespace example {
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class EchoServiceImpl : public EchoService {
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public:
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EchoServiceImpl() {};
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virtual ~EchoServiceImpl() {};
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virtual void Echo(google::protobuf::RpcController* cntl_base,
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const EchoRequest* request,
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EchoResponse* response,
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google::protobuf::Closure* done) {
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// This object helps you to call done->Run() in RAII style. If you need
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// to process the request asynchronously, pass done_guard.release().
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brpc::ClosureGuard done_guard(done);
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brpc::Controller* cntl =
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static_cast<brpc::Controller*>(cntl_base);
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LOG(INFO) << "Received request[log_id=" << cntl->log_id()
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<< "] from " << cntl->remote_side()
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<< " to " << cntl->local_side()
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<< ": " << request->DebugString();
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// Fill response.
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response->set_message(request->message());
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// the idl method returns void, no need to set_idl_result().
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}
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virtual void EchoWithMultiArgs(
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google::protobuf::RpcController* cntl_base,
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const MultiRequests* request,
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MultiResponses* response,
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google::protobuf::Closure* done) {
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// This object helps you to call done->Run() in RAII style. If you need
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// to process the request asynchronously, pass done_guard.release().
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brpc::ClosureGuard done_guard(done);
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brpc::Controller* cntl =
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static_cast<brpc::Controller*>(cntl_base);
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LOG(INFO) << "Received request[log_id=" << cntl->log_id()
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<< "] from " << cntl->remote_side()
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<< " to " << cntl->local_side()
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<< ": req1=" << request->req1().message()
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<< " req2=" << request->req2().message();
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// Fill response.
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response->mutable_res1()->set_message(request->req1().message());
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response->mutable_res2()->set_message(request->req2().message());
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// tell RPC that the idl method have more than one request/response.
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cntl->set_idl_names(brpc::idl_multi_req_multi_res);
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// the idl method returns uint32_t, we need to set it.
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cntl->set_idl_result(17);
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}
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};
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} // namespace
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int main(int argc, char* argv[]) {
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// Parse gflags. We recommend you to use gflags as well.
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GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
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// Generally you only need one Server.
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brpc::Server server;
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// Instance of your service.
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example::EchoServiceImpl echo_service_impl;
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// Add the service into server. Notice the second parameter, because the
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// service is put on stack, we don't want server to delete it, otherwise
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// use brpc::SERVER_OWNS_SERVICE.
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if (server.AddService(&echo_service_impl,
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brpc::SERVER_DOESNT_OWN_SERVICE) != 0) {
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LOG(ERROR) << "Fail to add service";
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return -1;
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}
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// Start the server.
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brpc::ServerOptions options;
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options.idle_timeout_sec = FLAGS_idle_timeout_s;
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options.nshead_service = new brpc::policy::UbrpcCompackAdaptor;
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if (server.Start(FLAGS_port, &options) != 0) {
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LOG(ERROR) << "Fail to start EchoServer";
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return -1;
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}
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// Wait until Ctrl-C is pressed, then Stop() and Join() the server.
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server.RunUntilAskedToQuit();
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return 0;
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}
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