code: /**
  Copyright (c) 2007-2013 Alysson Bessani, Eduardo Alchieri, Paulo Sousa, and the authors indicated in the @author tags
  
  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 bftsmart.statemanagement.strategy.durability;
  
  import java.io.IOException;
  import java.net.ServerSocket;
  import java.net.Socket;
  
  import bftsmart.statemanagement.ApplicationState;
  import bftsmart.tom.server.Recoverable;
  import bftsmart.tom.server.defaultservices.durability.DurabilityCoordinator;
  
  public class StateSenderServer implements Runnable {
  	private final static org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(StateSenderServer.class);
  	private ServerSocket server;
  	private ApplicationState state;
  	private Recoverable recoverable;
  	private DurabilityCoordinator coordinator;
  	private CSTRequest request;
  	
  	public void setState(ApplicationState state) {
  		this.state = state;
  	}
  	
  	public void setRecoverable(Recoverable recoverable) {
  		this.recoverable = recoverable;
  		coordinator = (DurabilityCoordinator)(recoverable);
  	}
  	
  	public void setRequest(CSTRequest request) {
  		this.request = request;
  	}
  
  	public StateSenderServer(int port) {
  		try {
  			server = new ServerSocket(port);
  		} catch (IOException e) {
  			// TODO Auto-generated catch block
  			logger.error("", e);
  		}
  	}
  
  	@Override
  	public void run() {
  		try {
  			Socket socket = server.accept();
  			StateSender sender = new StateSender(socket);
  			state = coordinator.getState(request);
  			sender.setState(state);
  			new Thread(sender).start();
  		} catch (IOException e) {
  			logger.error("", e);
  		}
  	}
  
  }
  