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

   1 #include "MessengerC.h"
   2 #include "orbsvcs/CosNamingC.h"
   3 #include "ace/OS_NS_unistd.h"
   4 #include <iostream>
   5 int
   6 ACE_TMAIN (int argc, ACE_TCHAR *argv[])
   7 {
   8   try {
   9     // Initialize orb
  10     CORBA::ORB_var orb = CORBA::ORB_init( argc, argv );
  11
  12     // Find the Naming Service
  13     CORBA::Object_var naming_obj = orb->resolve_initial_references("NameService");
  14     CosNaming::NamingContextExt_var root =
  15       CosNaming::NamingContextExt::_narrow(naming_obj.in());
  16     if (CORBA::is_nil(root.in())) {
  17       std::cerr << "Nil Naming Context reference" << 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 = root->resolve_str("example/Messenger");
  30       } catch (const CosNaming::NamingContext::NotFound&) {
  31         // Sleep for a second and try again
  32         ACE_OS::sleep(1);
  33       }
  34     }
  35
  36     // Narrow the Messenger object reference
  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
  45     // Send a message
  46     messenger->send_message("TAO User", "TAO Test", message.inout());
  47
  48     std::cout << "Message was sent" << std::endl;
  49
  50     orb->destroy();
  51   }
  52   catch(const CORBA::Exception& ex) {
  53     std::cerr << "Caught a CORBA exception: " << ex << std::endl;
  54     return 1;
  55   }
  56
  57   return 0;
  58 }