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AttendanceServer.java
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AttendanceServer.java
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import com.sun.source.tree.Scope;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.*;
public class AttendanceServer {
public static void main(String[] args) {
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(4444);
serverSocket.setReuseAddress(true);
while (true) {
Socket client = serverSocket.accept();
System.out.println("Client connected: " + client.getInetAddress().getHostAddress() + ":" + client.getPort());
ClientHandler ch = new ClientHandler(client);
Thread th = new Thread(ch);
th.start();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (serverSocket != null) {
try {
serverSocket.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
private static class ClientHandler implements Runnable {
private final Socket clientSocket;
public ClientHandler(Socket clientSocket) {
this.clientSocket = clientSocket;
}
@Override
public void run() {
PrintWriter out = null;
BufferedReader bufin = null;
try {
out = new PrintWriter(clientSocket.getOutputStream(), true);
bufin = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
String line;
while ((line = bufin.readLine()) != null) {
System.out.println("Sent from client: " + line);
out.println(line);
if (line.equalsIgnoreCase("exit"))
break;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (out != null) {
out.close();
}
if (bufin != null) {
bufin.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}