UDP之（chat）

来源：互联网发布：大数据去伪存真编辑：程序博客网时间：2024/06/05 15:08

package IpAddrSocket;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class ChatSender extends Thread{


   @Override
   public void run() {
       // TODO Auto-generated method stub
       DatagramSocket socket = null;

       BufferedReader keyReader=new BufferedReader(new InputStreamReader(System.in));

       String line=null;

       DatagramPacket packet;

       try {

           socket=new DatagramSocket();
           while((line=keyReader.readLine())!=null){
               packet=new DatagramPacket(line.getBytes(),line.length(),InetAddress.getByName("192.168.1.255"),9090);
               socket.send(packet);
           }
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
       socket.close();
   }



}

package IpAddrSocket;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;

public class ChatReceive extends Thread{

    @Override
    public void run() {
        DatagramSocket socket = null;
        try {
            socket = new DatagramSocket(9090);

            //empty datapacke receive data
            byte[] buf=new byte[1024];
            DatagramPacket packet=new DatagramPacket(buf,buf.length);
            boolean flag=true;
            while(flag){

                    socket.receive(packet);

                System.out.println(packet.getAddress().getHostAddress()+"say:"+new String(buf,0,packet.getLength()));
            }
        } catch (SocketException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        socket.close();
    }

}

package IpAddrSocket;

public class ChatMain {

    public static void main(String[] args) {

        ChatReceive chatReceive=new ChatReceive();
        chatReceive.start();

        ChatSender chatSender=new ChatSender();
        chatSender.start();

    }

}

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