Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

 Chilkat Java Library Downloads for Windows, Linux, and MAC OS X

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkSocket listenSocket = new CkSocket();

    boolean success;
    success = listenSocket.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println("Failed to unlock component");
        return;
    }

    //  Bind to a port and listen for incoming connections:
    //  This example will listen at port 5555 and allows for a backlog
    //  of 25 pending connection requests.
    success = listenSocket.BindAndListen(5555,25);
    if (success != true) {
        System.out.println(listenSocket.lastErrorText());
        return;
    }

    //  Get the next incoming connection
    //  Wait a maximum of 20 seconds (20000 millisec)
    CkSocket connectedSocket;
    connectedSocket = listenSocket.AcceptNextConnection(20000);
    if (connectedSocket == null ) {
        System.out.println(listenSocket.lastErrorText());
        return;
    }

    //  Set maximum timeouts for reading an writing (in millisec)
    connectedSocket.put_MaxReadIdleMs(10000);
    connectedSocket.put_MaxSendIdleMs(10000);

    //  Send a "Hello World!" message to the client:
    success = connectedSocket.SendString("Hello World!");
    if (success != true) {
        System.out.println(connectedSocket.lastErrorText());

        return;
    }

    //  Close the connection with the client.
    //  Wait a max of 20 seconds (20000 millsec)
    connectedSocket.Close(20000);

    System.out.println("success!");
  }
}