text: // 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.
  
  
  #include "brpc/controller.h"           // Controller
  #include "brpc/server.h"               // Server
  #include "brpc/closure_guard.h"        // ClosureGuard
  #include "brpc/builtin/health_service.h"
  #include "brpc/builtin/common.h"
  
  
  namespace brpc {
  
  void HealthService::default_method(::google::protobuf::RpcController* cntl_base,
                                     const ::brpc::HealthRequest*,
                                     ::brpc::HealthResponse*,
                                     ::google::protobuf::Closure* done) {
      ClosureGuard done_guard(done);
      Controller *cntl = static_cast<Controller*>(cntl_base);
      const Server* server = cntl->server();
      if (server->options().health_reporter) {
          server->options().health_reporter->GenerateReport(
              cntl, done_guard.release());
      } else {
          cntl->http_response().set_content_type("text/plain");
          cntl->response_attachment().append("OK");
      }
  }
  
  } // namespace brpc
  