TAO/orbsvcs/DevGuideExamples/NamingService/Naming_Client/MessengerClient.cpp

   1 #include "MessengerC.h"
   2 #include "orbsvcs/CosNamingC.h"
   3 #include "orbsvcs/Naming/Naming_Client.h"
   4 #include "ace/OS_NS_unistd.h"
   5 #include <iostream>
   6 int
   7 ACE_TMAIN (int argc, ACE_TCHAR *argv[])
   8 {
   9   try {
  10     // Initialize orb
  11     CORBA::ORB_var orb = CORBA::ORB_init( argc, argv );
  12
  13     // Find the Naming Service
  14     TAO_Naming_Client naming_client;
  15
  16     if (naming_client.init (orb.in ()) != 0) {
  17       std::cerr << "Could not initialize naming client." << std::endl;
  18       return 1;
  19     }
  20
  21     // Resolve the Messenger object
  22     CosNaming::Name name;
  23     name.length( 2 );
  24     name[0].id = CORBA::string_dup( "example" );
  25     name[1].id = CORBA::string_dup( "Messenger" );
  26     CORBA::Object_var obj = CORBA::Object::_nil();
  27     while (CORBA::is_nil(obj.in())) {
  28       try {
  29         obj = naming_client->resolve(name);
  30       } catch (const CosNaming::NamingContext::NotFound&) {
  31         // Sleep for a second and try again
  32         ACE_OS::sleep(1);
  33       }
  34     }
  35
  36     // Narrow
  37     Messenger_var messenger = Messenger::_narrow(obj.in());
  38     if (CORBA::is_nil(messenger.in())) {
  39       std::cerr << "Not a Messenger reference" << std::endl;
  40       return 1;
  41     }
  42
  43     CORBA::String_var message = CORBA::string_dup( "Hello!" );
  44     messenger->send_message( "TAO User", "TAO Test", message.inout() );
  45
  46     std::cout << "Message was sent" << std::endl;
  47   }
  48   catch(const CORBA::Exception& ex) {
  49     std::cerr << "Caught a CORBA::Exception: " << ex << std::endl;
  50     return 1;
  51   }
  52
  53   return 0;
  54 }