我做了一个UDP服务器客户端体系结构与多线程问题是当我从服务器发送到客户端另一个客户端线程获取数据包等所有..如何可以我指定UDP应该发回数据包的线程?多线程服务器和客户端Java指定客户端线程
Client
public UDPClient(int port) throws SocketException
{
this.socket = new DatagramSocket();
this.arg1 = (int) (Math.random() * 1000) ;
this.arg2 = (int) (Math.random() * 1000) ;
this.port = port ;
}
public void run()
{
try{
String x = arg1 + " + " + arg2;
BUFFER = x.getBytes();
InetAddress ip = InetAddress.getByName("127.0.0.1");
packet = new DatagramPacket(BUFFER , BUFFER.length,ip,port);
printOutput(new String("Client send" + x));
socket.send(packet);
socket.receive(packet);
String output = new String(packet.getData(),0,packet.getLength());
printOutput(new String("receive " + x + "=" + output));
}
catch(IOException e)
{
System.out.println("UDP sending problem " + e.getMessage());
}
}
服务器
public void run()
{
while(true)
{
try{
packet = new DatagramPacket(BUFFER,BUFFER.length);
socket.receive(packet);
executor.execute(new UDPServerCore(socket,packet,BUFFER));
}
catch(IOException e)
{
System.out.println("UDP receiving packet problem "
+ e.getMessage());
}
}
}
ServerCore
@Override
public void run(){
String x = new String(packet.getData(),0,packet.getLength());
String y = parseString(x);
BUFFER = y.getBytes();
//packet.setData(y.getBytes());
DatagramPacket res = new DatagramPacket(BUFFER , BUFFER.length
,packet.getAddress(),packet.getPort());
try{
socket.send(res);
}
catch(IOException e)
{
System.out.println("Something went wrong " + e.getMessage());
}
}
synchronized private static String parseString(String x)
{
String arr[] = x.split(" ");
int z = Integer.parseInt(arr[0]);
int y = Integer.parseInt(arr[2]);
y = y + z;
writeServer.append(x+ "=" + y +"\n");
return String.valueOf(y);
}
我解决它的问题是,当我创造了我应该先创建所有指定的端口,客户端线程的线程的端口然后开始每个线程。
欢迎StackOverflow上检索您的会话对象时!你能分享一些不起作用的代码吗? – andorov
为什么服务器上的每个“客户端”都需要自己的线程? – WalterM
你是什么意思'指定线程'?不清楚你在问什么。 – EJP