SocketServer.java
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package com.cnlive.socket;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
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("等待客服端。。。");
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) {
// TODO Auto-generated catch block
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());
}
}
}