mima 入门

package com.baoy.server;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.Charset;

import org.apache.log4j.Logger;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

import com.baoy.util.Constants;
 

public class ServerSocket {
	private static Logger log = Logger.getLogger(ServerSocket.class);
	
	private IoAcceptor acceptor;
	
	private ServerSocket(){}
	private static ServerSocket instance = new ServerSocket();
	public static ServerSocket getServerSocket(){
		return instance;
	}
	
	
	public void start(){
		 acceptor = new NioSocketAcceptor(); 
		 acceptor.getFilterChain().addLast( "logger", new LoggingFilter() ); 
		 acceptor.getFilterChain().addLast( "codec", new ProtocolCodecFilter( new TextLineCodecFactory( Charset.forName( "UTF-8"))));
	      
	     ServerHandler handler = new ServerHandler();
	     acceptor.setHandler(handler);
	     try { 
	    	 acceptor.getSessionConfig().setReadBufferSize(Constants.SERVER_SOCKET_BUFFERSIZE);
	    	 acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, Constants.SERVER_SOCKET_HEARTBEAT_TIMEOUT);
	    	 acceptor.bind( new InetSocketAddress(Constants.SERVER_SOCKET_PORT));
		} catch (IOException e) {
			log.error("Cannot start server", e);
		}
	}
	
	public void stop(){
		if(acceptor != null){
			acceptor.unbind();
			acceptor.dispose();
		}
	}
}

package com.baoy.server;

import net.sf.json.JSONObject;

import org.apache.log4j.Logger;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;
 



import com.baoy.message.Message;
import com.baoy.message.MessageFactory;
import com.baoy.queue.QueueHolder;
import com.baoy.queue.ServerQueue;
 

public class ServerHandler extends IoHandlerAdapter{
	private static Logger log = Logger.getLogger(ServerHandler.class);

	@Override
	public void messageReceived(IoSession session, Object json)
			throws Exception {
		super.messageReceived(session, json);
		log.debug("server recieve msg:" + json.toString());
		
		if (ServerQueue.getSession() != session)
			ServerQueue.setSession(session);
		 
		 
		
		MessageFactory facotry = new MessageFactory(); 
		Message message = facotry.build(json.toString());
		
		QueueHolder.getHolder().getQueue(QueueHolder.STC).send(message);
	}
	
}

package com.baoy.client;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.Charset;

import org.apache.log4j.Logger;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

import com.baoy.util.Constants;
 

public class ClientSocket {
	private static Logger log = Logger.getLogger(ClientSocket.class);
	
	private IoAcceptor acceptor;
	
	private ClientSocket(){}
	private static ClientSocket instance = new ClientSocket();
	public static ClientSocket getServerSocket(){
		return instance;
	}
	
	
	public void start(){
		 acceptor = new NioSocketAcceptor(); 
		 acceptor.getFilterChain().addLast( "logger", new LoggingFilter() ); 
		 acceptor.getFilterChain().addLast( "codec", new ProtocolCodecFilter( new TextLineCodecFactory( Charset.forName( "UTF-8"))));
	      
	     ClientHandler handler = new ClientHandler();
	     acceptor.setHandler(handler);
	     try { 
	    	 acceptor.getSessionConfig().setReadBufferSize(Constants.CLIENT_SOCKET_BUFFERSIZE);
	    	 acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, Constants.CLIENT_SOCKET_HEARTBEAT_TIMEOUT);
	    	 acceptor.bind( new InetSocketAddress(Constants.CLIENT_SOCKET_PORT));
		} catch (IOException e) {
			log.error("Cannot start client", e);
		}
	}
	
	public void stop(){
		if(acceptor != null){
			acceptor.unbind();
			acceptor.dispose();
		}
	}
}

package com.baoy.client;

import org.apache.log4j.Logger;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;

import com.baoy.message.Message;
import com.baoy.message.MessageFactory;
import com.baoy.queue.QueueHolder;
import com.baoy.queue.SessionWrap;
import com.baoy.queue.UserSessionHolder;
 

public class ClientHandler extends IoHandlerAdapter{
	private static Logger log = Logger.getLogger(ClientHandler.class);

	 
	@Override
	public void messageReceived(IoSession session, Object json)
			throws Exception {
		super.messageReceived(session, json);
		log.debug("client recieve msg:" + json.toString());
		
		
		MessageFactory facotry = new MessageFactory(); 
		Message message = facotry.build(json.toString());
		
		switch(message.getTagEnum()){
		case connection:  
			SessionWrap sessionWrapConn = new SessionWrap(message.getUserKey(), session); 
			UserSessionHolder.getHolder().putSession(sessionWrapConn); 
			session.write(message.successMessage());
			break;
		case heartbreat: 
			SessionWrap sessionWrapHB = UserSessionHolder.getHolder().getSession(message.getUserKey()); 
			if(sessionWrapHB == null){
				sessionWrapHB = new  SessionWrap(message.getUserKey(), session);
				UserSessionHolder.getHolder().putSession(sessionWrapHB);
			}else{
				sessionWrapHB.updateHeartbreatTime();
			}
			 
			QueueHolder.getHolder().getQueue(QueueHolder.CTS).send(message);
			break;
		default: 
			QueueHolder.getHolder().getQueue(QueueHolder.CTS).send(message);
			
		}
	}

 
	
}

package com.baoy.queue;

import org.apache.log4j.Logger;
import org.apache.mina.core.session.IoSession;

import com.baoy.message.Message; 
import com.baoy.message.MessageFactory;
import com.baoy.message.ShortMessage;
import com.baoy.server.ServerSocket; 
 

public class ServerQueue extends MessageQueue{
	private static Logger log = Logger.getLogger(ServerSocket.class);
	public ServerQueue(){
		resendSleepInterval = 1000 * 60 ;
		maxFailedCount = 15;
		
	}
	
	
	private static IoSession session = null;   
	public static IoSession getSession(){
		return ServerQueue.session;
	}

	public static void setSession(IoSession session){
		if (session == ServerQueue.session) return;
		if (ServerQueue.session != null){
			ServerQueue.session.close(false);
		}
		ServerQueue.session = session;
		log.info("server connected");
	}
	
	
	 
	public boolean doSend(Message message){ 
		log.debug(" STC -> ServerQueue doSend :"+message.toString());
		try { 
			SessionWrap session;	
			String to ="";
			if(message instanceof ShortMessage){
				to = ((ShortMessage) message).getTo();
				session = UserSessionHolder.getHolder().getSession(to);
			}else{
				session = UserSessionHolder.getHolder().getSession(message.getUserKey());
			}
			if(session == null || session.isSessionClosed()){ 
				return false;
			}
			return session.send(message);
		} catch (Exception e) { 
			return false;
		}
	}
}

 

 

package com.baoy.queue;

import org.apache.log4j.Logger;
import org.apache.mina.core.session.IoSession;

import com.baoy.message.Message;  
 
public class ClientQueue extends MessageQueue{
	private static Logger log = Logger.getLogger(ClientQueue.class);
	
	public ClientQueue(){
		resendSleepInterval = 1000 * 60 * 5;
		maxFailedCount = 3;
		
	}
 
	public boolean doSend(Message message){ 
		log.debug(" CTS -> ClientQueue doSend :"+message.toString());
		try {
			IoSession session = ServerQueue.getSession();
			if (session == null){ 
				return false;
			}
			session.write(message); 
			return true;
		} catch (Exception e) {
		}
		return false;
	}

}

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