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

    //Get reference to Root POA
    CORBA::Object_var obj = orb->resolve_initial_references( "RootPOA" );
    PortableServer::POA_var poa = PortableServer::POA::_narrow( obj.in() );

    // Activate POA Manager
    PortableServer::POAManager_var mgr = poa->the_POAManager();
    mgr->activate();

    // Find the Naming Service
    TAO_Naming_Client naming_client;

    if(naming_client.init(orb.in()) != 0){
      std::cerr << "Could not initialize naming client." << std::endl;
      return 1;
    }

    // Bind the example Naming Context, if necessary
    CosNaming::Name name;
    name.length(1);
    name[0].id = CORBA::string_dup("example");
    try {
      CORBA::Object_var dummy = naming_client->resolve(name);
    }
    catch(const CosNaming::NamingContext::NotFound&) {
      CosNaming::NamingContext_var dummy = naming_client->bind_new_context( name );
    }
   
    // Bind the Messenger object
    name.length( 2 );
    name[1].id = CORBA::string_dup( "Messenger" );

    // Create an object
    Messenger_i servant;
    PortableServer::ObjectId_var oid = poa->activate_object(&servant);
    obj = poa->id_to_reference(oid.in());
    naming_client->rebind(name, obj.in());

    std::cout << "Messenger object bound in Naming Service" << std::endl;   

    // Accept requests
    orb->run();
    orb->destroy();
  }
  catch(const CORBA::Exception& ex) {
    std::cerr << "Caught a CORBA exception: " << ex << std::endl;
    return 1;
  }

  return 0;
}