SocketServer.java
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package com.cnlive.socket;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ConcurrentHashMap;
public class SocketServer {
/**
* 要处理客户端发来的对象，并返回一个对象，可实现该接口。
*/
public interface ObjectAction {
Object doAction(Object rev);
}
/*
* public static final class DefaultObjectAction implements ObjectAction{
* public Object doAction(Object rev) { System.out.println("处理并返回："+rev);
* return rev; } }
*/
public static void main(String[] args) {
int port = 65432;
SocketServer server = new SocketServer(port);
server.start();
}
private int port;
private volatile boolean running = false;
private long receiveTimeDelay = 7000;
private ConcurrentHashMap<Class, ObjectAction> actionMapping = new ConcurrentHashMap<Class, ObjectAction>();
private Thread connWatchDog;
public SocketServer(int port) {
this.port = port;
}
public void start() {
if (running)
return;
running = true;
connWatchDog = new Thread(new ConnWatchDog());
connWatchDog.start();
}
@SuppressWarnings("deprecation")
public void stop() {
if (running)
running = false;
if (connWatchDog != null)
connWatchDog.stop();
}
public void addActionMap(Class<Object> cls, ObjectAction action) {
actionMapping.put(cls, action);
}
class ConnWatchDog implements Runnable {
public void run() {
try {
ServerSocket ss = new ServerSocket(port, 5);
while (running) {
System.out.println("等待客户端。。。");
Socket s = ss.accept();
new Thread(new SocketAction(s)).start();
}
} catch (IOException e) {
e.printStackTrace();
SocketServer.this.stop();
}
}
}
class SocketAction implements Runnable {
Socket s;
boolean run = true;
long lastReceiveTime = System.currentTimeMillis();
public SocketAction(Socket s) {
this.s = s;
}
public void run() {
while (running && run) {
try {
Thread.sleep(3000);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
try {
InputStream in = s.getInputStream();
OutputStream out = s.getOutputStream();
byte[] recData = null;
while (true) {
recData = new byte[1024];
int r = in.read(recData);
if (r > -1) {
String data = new String(recData);
/*
* if(data.trim().equals("over")) { s.close();
* break; }
*/
System.out.println("读取到客户端发送的来数据：" + data);
}
}
/*
* if(in.available()>0){ BufferedReader br = new
* BufferedReader(new InputStreamReader(in)); //out = new
* PrintWriter(socket.getOutputStream(), true); String line
* = br.readLine(); System.out.println("you input is : " +
* line); //out.println("you input is :" + line);
* //out.close(); // in.close(); }
*/
/*
* ObjectInputStream ois = new ObjectInputStream(in); Object
* obj = ois.readObject(); lastReceiveTime =
* System.currentTimeMillis();
* System.out.println("接收：\t"+obj); ObjectAction oa =
* actionMapping.get(obj.getClass()); oa = oa==null?new
* DefaultObjectAction():oa; Object out = oa.doAction(obj);
* if(out!=null){ ObjectOutputStream oos = new
* ObjectOutputStream(s.getOutputStream());
* oos.writeObject(out); oos.flush(); }
*/
} catch (Exception e) {
System.out.println(System.currentTimeMillis() - lastReceiveTime);
e.printStackTrace();
overThis();
}
}
}
private void overThis() {
if (run)
run = false;
if (s != null) {
try {
s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
System.out.println("关闭：" + s.getRemoteSocketAddress());
}
}
}