Bind and Listen on an Available Port in a Range

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Demonstrates Socket.BindAndListenPortRange, which searches an inclusive port range for an available TCP port, binds it, and begins listening. It returns the selected port, or -1 on failure.

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 socket = new CkSocket();

    //  Search the inclusive port range for an available TCP port, bind it, and begin listening.  The
    //  method returns the selected port, or -1 when no port can be bound.
    int boundPort = socket.BindAndListenPortRange(5000,5100,25);
    if (boundPort < 0) {
        System.out.println(socket.lastErrorText());
        return;
        }

    System.out.println("Listening on port " + boundPort);
  }
}