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- // Licensed to the Apache Software Foundation (ASF) under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. The ASF licenses this file
- // to you 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.
- // A server to receive EchoRequest and send back EchoResponse.
- #include <gflags/gflags.h>
- #include <butil/logging.h>
- #include <brpc/server.h>
- #include <brpc/policy/nshead_mcpack_protocol.h>
- #include "echo.pb.h"
- DEFINE_int32(port, 8002, "TCP Port of this server");
- DEFINE_int32(idle_timeout_s, -1, "Connection will be closed if there is no "
- "read/write operations during the last `idle_timeout_s'");
- DEFINE_int32(logoff_ms, 2000, "Maximum duration of server's LOGOFF state "
- "(waiting for client to close connection before server stops)");
- DEFINE_int32(max_concurrency, 0, "Limit of request processing in parallel");
- DEFINE_int32(internal_port, -1, "Only allow builtin services at this port");
- namespace example {
- // Your implementation of EchoService
- class EchoServiceImpl : public EchoService {
- public:
- EchoServiceImpl() {}
- ~EchoServiceImpl() {};
- void Echo(google::protobuf::RpcController* cntl_base,
- const EchoRequest* request,
- EchoResponse* response,
- google::protobuf::Closure* done) {
- brpc::ClosureGuard done_guard(done);
- response->set_message(request->message());
- }
- };
- } // namespace example
- int main(int argc, char* argv[]) {
- // Parse gflags. We recommend you to use gflags as well.
- GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
- // Generally you only need one Server.
- brpc::Server server;
- // Instance of your service.
- example::EchoServiceImpl echo_service_impl;
- // Add the service into server. Notice the second parameter, because the
- // service is put on stack, we don't want server to delete it, otherwise
- // use brpc::SERVER_OWNS_SERVICE.
- if (server.AddService(&echo_service_impl,
- brpc::SERVER_DOESNT_OWN_SERVICE) != 0) {
- LOG(ERROR) << "Fail to add service";
- return -1;
- }
- // Start the server.
- brpc::ServerOptions options;
- options.idle_timeout_sec = FLAGS_idle_timeout_s;
- options.nshead_service = new brpc::policy::NsheadMcpackAdaptor;
- options.max_concurrency = FLAGS_max_concurrency;
- options.internal_port = FLAGS_internal_port;
- if (server.Start(FLAGS_port, &options) != 0) {
- LOG(ERROR) << "Fail to start EchoServer";
- return -1;
- }
- // Wait until Ctrl-C is pressed, then Stop() and Join() the server.
- server.RunUntilAskedToQuit();
- return 0;
- }
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