Mega Code Archive
A multithreaded Socket Server
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import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class EchoServer {
public static void main(String[] args) throws Exception {
ServerSocket m_ServerSocket = new ServerSocket(12111);
int id = 0;
while (true) {
Socket clientSocket = m_ServerSocket.accept();
ClientServiceThread cliThread = new ClientServiceThread(clientSocket, id++);
cliThread.start();
}
}
}
class ClientServiceThread extends Thread {
Socket clientSocket;
int clientID = -1;
boolean running = true;
ClientServiceThread(Socket s, int i) {
clientSocket = s;
clientID = i;
}
public void run() {
System.out.println("Accepted Client : ID - " + clientID + " : Address - "
+ clientSocket.getInetAddress().getHostName());
try {
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
PrintWriter out = new PrintWriter(new OutputStreamWriter(clientSocket.getOutputStream()));
while (running) {
String clientCommand = in.readLine();
System.out.println("Client Says :" + clientCommand);
if (clientCommand.equalsIgnoreCase("quit")) {
running = false;
System.out.print("Stopping client thread for client : " + clientID);
} else {
out.println(clientCommand);
out.flush();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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