messengerclient.cpp

在开发TAO的命名服务中用到的服务端及客户端源代码。

#include "MessengerC.h"
#include <orbsvcs/CosNamingC.h>
#include <iostream>
int
main( int argc, char *argv[] )
{
  try {
    // Initialize orb
    CORBA::ORB_var orb = CORBA::ORB_init( argc, argv );

    const char* url = "corbaloc:rir:/NameService"; // default URL to InitRef
    if ( argc < 2 ) {
      std::cout << "Defaulting URL to " << url << std::endl;
      std::cout << "Usage: " << argv[0] 
           << " [corbaloc URL] [-ORB options]" << std::endl;
    }
    else {
      url = argv[1];
    }

    // Find the Naming Service
    CORBA::Object_var obj = orb->string_to_object(url);

    CosNaming::NamingContextExt_var root =
      CosNaming::NamingContextExt::_narrow(obj.in());
    if (CORBA::is_nil(root.in())) {
      std::cerr << "Nil Naming Context reference" << std::endl;
      return 1;
    }

    // Resolve the Messenger object
    obj = root->resolve_str("example/Messenger");

    // Narrow
    Messenger_var messenger = Messenger::_narrow(obj.in());
    if (CORBA::is_nil(messenger.in())) {
      std::cerr << "Not a Messenger reference" << std::endl;
      return 1;
    }

    CORBA::String_var message = CORBA::string_dup( "Hello!" );
    messenger->send_message("TAO User", "TAO Test", message.inout());

    std::cout << "Message was sent" << std::endl;
  }
  catch(const CORBA::Exception& ex) {
    std::cerr << "client:Caught a CORBA::Exception: " << ex << std::endl;
    return 1;
  }
  
  return 0;
}