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.csp.sentinel.adapter.grpc;
  
  import io.grpc.Server;
  import io.grpc.ServerBuilder;
  
  import java.io.IOException;
  import java.util.concurrent.Executors;
  
  class GrpcTestServer {
  
      private Server server;
  
      GrpcTestServer() {}
  
      void start(int port, boolean shouldIntercept) throws IOException {
          if (server != null) {
              throw new IllegalStateException("Server already running!");
          }
          ServerBuilder<?> serverBuild = ServerBuilder.forPort(port)
              .addService(new FooServiceImpl());
          if (shouldIntercept) {
              serverBuild.intercept(new SentinelGrpcServerInterceptor());
          }
          server = serverBuild.build();
          server.start();
      }
  
      void stop() {
          if (server != null) {
              server.shutdown();
              server = null;
          }
      }
  }