content: /*
   * Copyright 1999-2019 Alibaba Group Holding Ltd.
   *
   * 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.
   */
  package com.alibaba.csp.sentinel.cluster.server.envoy.rls;
  
  import java.io.IOException;
  
  import com.alibaba.csp.sentinel.log.RecordLog;
  
  import io.grpc.Server;
  import io.grpc.ServerBuilder;
  
  /**
   * @author Eric Zhao
   */
  public class SentinelRlsGrpcServer {
  
      private final Server server;
  
      public SentinelRlsGrpcServer(int port) {
          ServerBuilder<?> builder = ServerBuilder.forPort(port)
              .addService(new com.alibaba.csp.sentinel.cluster.server.envoy.rls.service.v3.SentinelEnvoyRlsServiceImpl())
              .addService(new SentinelEnvoyRlsServiceImpl());
  
          server = builder.build();
      }
  
      public void start() throws IOException {
          // The gRPC server has already checked the start status, so we don't check here.
          server.start();
          String message = "[SentinelRlsGrpcServer] RLS server is running at port " + server.getPort();
          RecordLog.info(message);
          System.out.println(message);
      }
  
      public void shutdown() {
          server.shutdownNow();
      }
  
      public boolean isShutdown() {
          return server.isShutdown();
      }
  
      public void blockUntilShutdown() throws InterruptedException {
          if (server != null) {
              server.awaitTermination();
          }
      }
  }
  