content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * 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
   *
   * https://opensource.org/licenses/Apache-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.tencent.angel.ipc;
  
  import com.google.protobuf.Message;
  import com.tencent.angel.protobuf.generated.RPCProtos;
  
  import java.io.IOException;
  import java.net.InetSocketAddress;
  
  public interface RpcServer {
    /**
     * The port this server runs on.
     */
    int getPort();
  
    void start();
  
    void stop();
  
    void join() throws InterruptedException;
  
    /**
     * Called for each call.
     *
     * @param param       writable parameter
     * @param receiveTime time
     * @return Message
     * @throws java.io.IOException e
     */
    Message call(Class<? extends VersionedProtocol> protocol, RPCProtos.RpcRequestBody param,
      long receiveTime) throws IOException;
  
    InetSocketAddress getListenerAddress();
  
    public void openServer();
  
    /**
     * Total number of clients connect to this server.
     */
    public int getNumberOfConnections();
  
  
    void addProtocolImpl(Class<?> protocol, Object impl);
  
  }
  