content: /*
   * Copyright 1999-2018 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.nacos.istio.server;
  
  import com.alibaba.nacos.istio.mcp.NacosMcpService;
  import com.alibaba.nacos.istio.misc.IstioConfig;
  import com.alibaba.nacos.istio.misc.Loggers;
  import com.alibaba.nacos.istio.xds.NacosXdsService;
  import io.grpc.Server;
  import io.grpc.ServerBuilder;
  import io.grpc.ServerInterceptors;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  
  import javax.annotation.PostConstruct;
  import java.io.IOException;
  
  /**
   * @author special.fy
   */
  @Service
  public class IstioServer {
  
      private Server server;
  
      @Autowired
      private IstioConfig istioConfig;
  
      @Autowired
      private ServerInterceptor serverInterceptor;
  
      @Autowired
      private NacosMcpService nacosMcpService;
  
      @Autowired
      private NacosXdsService nacosXdsService;
      
      /**
       * Start.
       *
       * @throws IOException io exception
       */
      @PostConstruct
      public void start() throws IOException {
  
          if (!istioConfig.isServerEnabled()) {
              Loggers.MAIN.info("The Nacos Istio server is disabled.");
              return;
          }
          
          Loggers.MAIN.info("Nacos Istio server, starting Nacos Istio server...");
          
          server = ServerBuilder.forPort(istioConfig.getServerPort()).addService(ServerInterceptors.intercept(nacosMcpService, serverInterceptor))
                  .addService(ServerInterceptors.intercept(nacosXdsService, serverInterceptor)).build();
          server.start();
  
          Runtime.getRuntime().addShutdownHook(new Thread() {
              @Override
              public void run() {
  
                  IstioServer.this.stop();
              }
          });
      }
  
      /**
       * Stop.
       */
      public void stop() {
          if (server != null) {
              server.shutdown();
          }
      }
  }
  