// Fig. 24.20: SocketMessengerConstants.java // SocketMessengerConstants defines constants for the port numbers // and multicast address in DeitelMessenger package com.deitel.messenger.sockets; public interface SocketMessengerConstants { // address for multicast datagrams public static final String MULTICAST_ADDRESS = "239.0.0.1"; // port for listening for multicast datagrams public static final int MULTICAST_LISTENING_PORT = 5555; // port for sending multicast datagrams public static final int MULTICAST_SENDING_PORT = 5554; // port for Socket connections to DeitelMessengerServer public static final int SERVER_PORT = 12345; // String that indicates disconnect public static final String DISCONNECT_STRING = "DISCONNECT"; // String that separates the user name from the message body public static final String MESSAGE_SEPARATOR = ">>>"; // message size (in bytes) public static final int MESSAGE_SIZE = 512; } // end interface SocketMessengerConstants /************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/