// Fig. 24.20: SocketMessengerConstants.java
// SocketMessengerConstants define as constantes para os números de porta
// e o endereço de multicast em DeitelMessenger
package com.deitel.messenger.sockets;

public interface SocketMessengerConstants 
{   
   // endereço para datagramas de multicast                         
   public static final String MULTICAST_ADDRESS = "239.0.0.1";
   
   // porta para ouvir datagramas de multicast           
   public static final int MULTICAST_LISTENING_PORT = 5555;
   
   // porta para enviar datagramas de multicast               
   public static final int MULTICAST_SENDING_PORT = 5554;
   
   // porta para conexões de Socket com o DeitelMessengerServer
   public static final int SERVER_PORT = 12345;           
   
   // String que indica desconexão                         
   public static final String DISCONNECT_STRING = "DISCONNECT";

   // String que separa o nome de usuário do corpo da mensagem
   public static final String MESSAGE_SEPARATOR = ">>>";       

   // tamanho da mensagem (em bytes)                 
   public static final int MESSAGE_SIZE = 512;
} // fim da interface SocketMessengerConstants


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