Java Socket长连接示例代码_JAVA

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Java Socket长连接示例代码

2014/4/7 15:47:50 shihuan830619 程序员俱乐部我要评论(0)

摘要：SocketListenerPusher.java代码如下:importjava.io.IOException;importjava.net.InetSocketAddress;importjava.net.ServerSocket;importjava.net.Socket;importjava.util.concurrent.ExecutorService;importjava.util.concurrent.Executors;importjava.util.concurrent
标签：Java 代码连接 socket

SocketListenerPusher.java代码如下:

class="java">
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import org.apache.commons.configuration.ConfigurationException;
import org.directwebremoting.impl.DaemonThreadFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.shihuan.dragonkeeper.common.utils.PropertiesUtil;
import com.shihuan.dragonkeeper.global.ConfigFile;

public class SocketListenerPusher implements Runnable {

	protected static Logger logger = LoggerFactory.getLogger(SocketListenerPusher.class);
	
	public static String socketlistenerserver_CONFIG = ConfigFile.SOCKETLISTENERSERVER__CONFIG + ConfigFile.SUFFIX_NAME;
	
	private ServerSocket serverSocket;
    private ExecutorService pool;
    
	
	public SocketListenerPusher() {
		int port = 0;
		int poolsize = 0;
		
		try {
			port = Integer.parseInt(PropertiesUtil.getPropertiesValue(socketlistenerserver_CONFIG, "serverport"));
			poolsize = Integer.parseInt(PropertiesUtil.getPropertiesValue(socketlistenerserver_CONFIG, "poolsize"));
			
			serverSocket = new ServerSocket();
			serverSocket.setReuseAddress(true);
			serverSocket.bind(new InetSocketAddress(port));
		    pool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * poolsize);
		    
		    //下面两句循环执行run()方法, 相当于while(true){...}
		    ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1, new DaemonThreadFactory());
			executor.scheduleAtFixedRate(this, 1L, 1L, TimeUnit.MILLISECONDS);
			
		} catch (NumberFormatException e) {
			logger.error(e.getMessage(), e);
			e.printStackTrace();
		} catch (ConfigurationException e) {
			logger.error(e.getMessage(), e);
			e.printStackTrace();
		} catch (IOException e) {
			logger.error(e.getMessage(), e);
			e.printStackTrace();
		}

	}
	
	public void run() {
		Socket socket = null;
		try {
			socket = serverSocket.accept();
			pool.execute(new SocketListenerHandler(socket));
		} catch (IOException e) {
			System.out.println("线程池被关闭!!!!!!!!!!!");
			pool.shutdown();
			logger.error(e.getMessage(), e);
			e.printStackTrace();
		}
		
	}

SocketListenerHandler.java代码如下:

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.net.Socket;
import java.sql.Connection;
import java.sql.SQLException;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.io.IOUtils;
import org.directwebremoting.Browser;
import org.directwebremoting.ScriptSessions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.JSON;
import com.shihuan.dragonkeeper.common.dto.DataSourceInfo;
import com.shihuan.dragonkeeper.common.utils.ByteArrayUtil;
import com.shihuan.dragonkeeper.common.utils.DataSourceMapUtil;
import com.shihuan.dragonkeeper.common.utils.DateFormatterUtil;
import com.shihuan.dragonkeeper.common.utils.PropertiesUtil;
import com.shihuan.dragonkeeper.global.ConfigFile;
import com.shihuan.dragonkeeper.server.bean.ActivityServiceBean;

public class SocketListenerHandler implements Runnable {

	protected static Logger logger = LoggerFactory.getLogger(SocketListenerHandler.class);
	
	private static String jdbc_CONFIG = ConfigFile.JDBC_CONFIG + ConfigFile.SUFFIX_NAME;
    
    public static final int timeOut = 0*1000 ;  //设置读取操作异常为1秒
    private final String dataRealTimeAction_id = "Agentdata_" + Math.random();
    
    private static final String noData = "{'nodata':'心跳信息'}";
	private static final String errorData = "{'error':'无法解析的请求'}";
    
	
	private Socket connectedsocket = null;
	
	public SocketListenerHandler(Socket socket){
		this.connectedsocket = socket;
	}

@Override
	public void run() {
		BufferedReader in = null;
String resultData = "";
		
		try {
			connectedsocket.setSoTimeout(timeOut);  //表示接收数据时的等待超时数据, 此方法必须在接收数据之前执行才有效. 此外, 当输入流的 read()方法抛出 SocketTimeoutException后, Socket仍然是连接的, 可以尝试再次读数据, 单位为毫秒, 它的默认值为 0(表示会无限等待, 永远不会超时)
			connectedsocket.setKeepAlive(false);   //表示对于长时间处于空闲状态的Socket, 是否要自动把它关闭.
			
			in = new BufferedReader(new InputStreamReader(connectedsocket.getInputStream()));
if (in.ready()) {  //判断流中是否有数据
				
				resultData = getNoHeadData(in.readLine());   //从Agent端接收到的数据
				logger.info("#### 结果DATA = "+resultData);
				
				if (resultData==null || "".equals(resultData)) {
					logger.info(dataRealTimeAction_id + " -->>> " + "内容为空!");
				} else if (resultData.charAt(0) != '{') {  //要在客户端定时维持心跳信息
					logger.info(dataRealTimeAction_id + " -->>> " + noData);
				} else {
					ActivityServiceBean asb = JSON.parseObject(resultData, ActivityServiceBean.class);
					System.out.println("打印预处理信息Start......");
					System.out.println(asb.getProxyname() + " -- " + asb.getIp() + " -- " + asb.getCalltime() + " -- " + asb.getAnswertime() + " -- " + asb.getCpu() + " -- " + asb.getThread() + " -- " + asb.getStatus() + " -- " + asb.getAccessaddress() + " -- " + asb.getAccessfilename() + " -- " + asb.getSql() + " -- " + asb.getContent());
					System.out.println("打印预处理信息End......");
//					parseData(ois);
					
					logger.info(dataRealTimeAction_id + ": 成功处理了接收到的数据!");
				}
				
			}
} catch (IOException e) {
			logger.error(e.getMessage() + " " + errorData, e);
			e.printStackTrace();
		} catch (NumberFormatException e) {
			logger.error(e.getMessage(), e);
			e.printStackTrace();
		} finally {
			
			if (in != null) {
				try {
					in.close();
				} catch (IOException e) {
					logger.error(e.getMessage(), e);
					e.printStackTrace();
				}
			}
}
		
	}

TestSocketListenerPusher.java请求端代码如下:

import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Date;

import org.apache.commons.configuration.ConfigurationException;

import com.alibaba.fastjson.JSON;
import com.shihuan.dragonkeeper.common.utils.ByteArrayUtil;
import com.shihuan.dragonkeeper.common.utils.PropertiesUtil;
import com.shihuan.dragonkeeper.global.ConfigFile;
import com.shihuan.dragonkeeper.server.bean.ActivityServiceBean;

public class TestSocketListenerPusher implements Runnable {

	private static String socketlistenerserver_CONFIG = ConfigFile.SOCKETLISTENERSERVER__CONFIG + ConfigFile.SUFFIX_NAME;
	
	private Socket socketclient = null;
	
	@Override
	public void run() {
		
		String serverip = "";
		int port = 0;
		
		OutputStream os = null;
		
		try {
			serverip = PropertiesUtil.getPropertiesValue(socketlistenerserver_CONFIG, "serverip");
			port = Integer.parseInt(PropertiesUtil.getPropertiesValue(socketlistenerserver_CONFIG, "serverport"));
			
			
			ActivityServiceBean asb = null;
			
			for (int i=0; i<2; i++) {
				asb = new ActivityServiceBean();
				asb.setProxyname("testProxyname"+i);
				asb.setIp("testIp"+i);
				Date curdate = new Date();
				asb.setCalltime(curdate);
				asb.setAnswertime(curdate);
				asb.setCpu("testCpu"+i);
				asb.setThread("testThread"+i);
				asb.setStatus("testStatus"+i);
				asb.setAccessaddress("testAccessaddress"+i);
				asb.setAccessfilename("testAccessfilename"+i);
				asb.setSql("testSql"+i);
				asb.setContent("testContent"+i);
				
				String jsonStr = JSON.toJSONString(asb).trim();
				byte[] information = (new String(ByteArrayUtil.getIntToByte(jsonStr.length()))+jsonStr).getBytes();
				
				System.out.println(information.length);
				
				socketclient = new Socket(serverip, port);
				socketclient.setSoTimeout(0);
				socketclient.setKeepAlive(false);
				
				os = new BufferedOutputStream(socketclient.getOutputStream());
				os.write(information);
				os.flush();
				
				System.out.println("Client" + i + " -->>> " + new String(ByteArrayUtil.getIntToByte(jsonStr.length()))+jsonStr);
				
				os.close();
				Thread.sleep(3000);
			}
			
			
		} catch (ConfigurationException e) {
			e.printStackTrace();
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (InterruptedException e) {
			e.printStackTrace();
		} finally {
			/*
			try {
				if (os != null) {
					os.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
			*/
		}
		
		
	}
	
	public static void main(String[] args) {
		Thread t = new Thread(new TestSocketListenerPusher());
		t.start();
	}

}

源代码在笔者shihuan8@163.com邮箱网盘中J2EE代码文件夹里。

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