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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/thrift_service.h>
- #include "gen-cpp/echo_types.h"
- DEFINE_int32(port, 8019, "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(max_concurrency, 0, "Limit of request processing in parallel");
- // Adapt your own thrift-based protocol to use brpc
- class EchoServiceImpl : public brpc::ThriftService {
- public:
- void ProcessThriftFramedRequest(brpc::Controller* cntl,
- brpc::ThriftFramedMessage* req,
- brpc::ThriftFramedMessage* res,
- google::protobuf::Closure* done) override {
- // Dispatch calls to different methods
- if (cntl->thrift_method_name() == "Echo") {
- return Echo(cntl, req->Cast<example::EchoRequest>(),
- res->Cast<example::EchoResponse>(), done);
- } else {
- cntl->SetFailed(brpc::ENOMETHOD, "Fail to find method=%s",
- cntl->thrift_method_name().c_str());
- done->Run();
- }
- }
- void Echo(brpc::Controller* cntl,
- const example::EchoRequest* req,
- example::EchoResponse* res,
- google::protobuf::Closure* done) {
- // This object helps you to call done->Run() in RAII style. If you need
- // to process the request asynchronously, pass done_guard.release().
- brpc::ClosureGuard done_guard(done);
- res->data = req->data + " (Echo)";
- }
- };
- int main(int argc, char* argv[]) {
- // Parse gflags. We recommend you to use gflags as well.
- google::ParseCommandLineFlags(&argc, &argv, true);
- brpc::Server server;
- brpc::ServerOptions options;
- options.thrift_service = new EchoServiceImpl;
- options.idle_timeout_sec = FLAGS_idle_timeout_s;
- options.max_concurrency = FLAGS_max_concurrency;
- // Start the server.
- 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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