// Chat.idl
// This file contains the IDL defining the API to the ChatServer
// as well as the ChatClient and ChatMessage.

module corba {
   struct ChatMessage {

      // ChatMessage properties
      string from;
      string message;
   };

   module client {
      interface ChatClient {

         // receive new message
         void deliverMessage( in ChatMessage message );

         // method called when server shuting down
         void serverStopping();
      };
   };

   module server {
      interface StoppableChatServer {
         void stopServer();
      };

      interface ChatServer {
         const string NAME = "ChatServer";

         // register new ChatClient with ChatServer
         void registerClient( in client::ChatClient client );

         // unregister ChatClient with ChatServer
         void unregisterClient( in client::ChatClient client );

         // post new message to ChatServer
         void postMessage( in ChatMessage message );
      };

      // Create a combination interface
      interface ChatService : ChatServer, StoppableChatServer {
      };
   };

};   // end of module corba

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 * (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall.     *
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