C++ cosnaming::NamingContext_var类代码示例

CosNaming::NamingContext_ptr
TAO_Transient_Naming_Context::new_context (void)
{
  ACE_GUARD_THROW_EX (TAO_SYNCH_RECURSIVE_MUTEX,
                      ace_mon,
                      this->lock_,
                      CORBA::INTERNAL ());

  // Check to make sure this object didn't have <destroy> method
  // invoked on it.
  if (this->destroyed_)
    throw CORBA::OBJECT_NOT_EXIST ();

  // Generate a POA id for the new context.
  char poa_id[BUFSIZ];
  ACE_OS::sprintf (poa_id,
                   "%s_%d",
                   this->poa_id_.c_str (),
                   this->counter_++);

  // Create a new context.
  CosNaming::NamingContext_var result =
    make_new_context (this->poa_.in (),
                      poa_id,
                      this->transient_context_->total_size ());

  return result._retn ();
}

Web_Server::Iterator_Factory_ptr
get_iterator (CORBA::ORB_ptr o)
{
  CORBA::ORB_var orb = CORBA::ORB::_duplicate (o);

  // Get a reference to the Name Service.
  CORBA::Object_var obj =
    orb->resolve_initial_references ("NameService");

  // Narrow to a Naming Context
  CosNaming::NamingContext_var nc =
    CosNaming::NamingContext::_narrow (obj.in ());

  if (CORBA::is_nil (obj.in ()))
    {
      ACE_ERROR ((LM_ERROR,
                  ACE_TEXT ("Nil reference to Name Service\n")));
      return Web_Server::Iterator_Factory::_nil ();
    }

  // Create a name.
  CosNaming::Name name;
  name.length (1);
  name[0].id = CORBA::string_dup ("Iterator_Factory");
  name[0].kind = CORBA::string_dup ("");

  obj = nc->resolve (name);

  Web_Server::Iterator_Factory_ptr factory =
    Web_Server::Iterator_Factory::_narrow (obj.in ());

  return factory;
}

void CNamingTreeCtrl::OnContextPopupBindContext()
{
  // TODO: Add your command handler code here
  CBindDialog Dialog(true, m_pORB);
  if(Dialog.DoModal() != IDOK)
  {
    return;
  }
  try
  {
    CNamingObject* pObject = GetTreeObject();
    CosNaming::NamingContext_var Context = pObject->NamingContext();
    if(CORBA::is_nil(Context.in ()))
    {
      return;
    }
    CosNaming::NamingContext_var NewContext = CosNaming::NamingContext::_narrow(Dialog.GetObject());
    if(CORBA::is_nil(NewContext.in ()))
    {
      AfxMessageBox(ACE_TEXT ("Object is not a CosNaming::NamingContext"));
      return;
    }
    Context->bind_context(Dialog.GetName(), NewContext);
    OnContextPopupRefresh();
  }
  catch(CORBA::Exception& ex)
  {
    MessageBox(ACE_TEXT_CHAR_TO_TCHAR (ex._rep_id()), ACE_TEXT ("CORBA::Exception"));
  }
}

void CNamingTreeCtrl::OnObjectpopupUnbind()
{
  // TODO: Add your command handler code here
  if(MessageBox(ACE_TEXT ("Are you sure you want to unbind this object?"),
                ACE_TEXT ("Confirm"), MB_YESNO | MB_ICONEXCLAMATION) != IDYES)
  {
    return;
  }
  HTREEITEM hItem = GetSelectedItem();
  HTREEITEM hParent = GetParentItem(hItem);
  if(!hParent)
  {
    return;
  }
  CNamingObject* pObject = GetTreeObject(hItem);
  CNamingObject* pParent= GetTreeObject(hParent);
  CosNaming::NamingContext_var Context = pParent->NamingContext();
  try
  {
    Context->unbind(pObject->Name());
    ClearChildren(hItem);
    delete pObject;
    DeleteItem(hItem);
  }
  catch(CORBA::Exception& ex)
  {
    MessageBox(ACE_TEXT_CHAR_TO_TCHAR (ex._rep_id()), ACE_TEXT ("CORBA::Exception"));
  }
}

void CNamingTreeCtrl::OnContextPopupDestroy()
{
  // TODO: Add your command handler code here
  if(MessageBox(ACE_TEXT ("Are you sure you want to destroy this context?"),
                ACE_TEXT ("Confirm"), MB_YESNO | MB_ICONEXCLAMATION) != IDYES)
  {
    return;
  }
  HTREEITEM hItem = GetSelectedItem();
  HTREEITEM hParent = GetParentItem(hItem);
  if(!hParent)
  {
    return;
  }
  CNamingObject* pObject = GetTreeObject(hItem);
  CNamingObject* pParent= GetTreeObject(hParent);
  CosNaming::NamingContext_var Parent = pParent->NamingContext();
  try
  {
    // First try to destroy, it will raise exception if its not empty
    CosNaming::NamingContext_var Context = pObject->NamingContext();
    Context->destroy();
    // Ok its destroyed, clean up any children we might have laying around
    ClearChildren(hItem);
    DeleteItem(hItem);
    // do the unbind
    Parent->unbind(pObject->Name());
    delete pObject;
  }
  catch(CORBA::Exception& ex)
  {
    MessageBox(ACE_TEXT_CHAR_TO_TCHAR (ex._rep_id()), ACE_TEXT ("CORBA::Exception"));
  }
}

  /*!
   * @if jp
   * @brief 途中のコンテキストを再帰的に bind しながら Object を bind する
   * @else
   * @brief Bind intermediate context recursively and bind object
   * @endif
   */
  void CorbaNaming::bindRecursive(CosNaming::NamingContext_ptr context,
				  const CosNaming::Name& name,
				  CORBA::Object_ptr obj)
    throw (SystemException, CannotProceed, InvalidName, AlreadyBound)
  {
    CORBA::ULong len(name.length());
    CosNaming::NamingContext_var cxt;
    cxt = CosNaming::NamingContext::_duplicate(context);
    
    for (CORBA::ULong i = 0; i < len; ++i)
      {
	if (i == (len - 1))
	  { // this operation may throw AlreadyBound, 
	    cxt->bind(subName(name, i, i), obj);
	    return;
	  }
	else
	  { // If the context is not a NamingContext, CannotProceed is thrown
	    if (isNamingContext(cxt))
	      cxt = bindOrResolveContext(cxt, subName(name, i, i));
	    else
	      throw CannotProceed(cxt, subName(name, i));
	  }
      }
    return;
  }

void
TAO_Hash_Naming_Context::bind_context (const CosNaming::Name &n,
                                       CosNaming::NamingContext_ptr nc)
{
  // Check to make sure this object didn't have <destroy> method
  // invoked on it.
  if (this->destroyed_)
    throw CORBA::OBJECT_NOT_EXIST ();

  // Do not allow binding of nil context reference.
  if (CORBA::is_nil (nc))
    throw CORBA::BAD_PARAM ();

  // Get the length of the name.
  CORBA::ULong const name_len = n.length ();

  // Check for invalid name.
  if (name_len == 0)
    throw CosNaming::NamingContext::InvalidName();

  // If we received compound name, resolve it to get the context in
  // which the binding should take place, then perform the binding on
  // target context.
  if (name_len > 1)
    {
      CosNaming::NamingContext_var context = this->get_context (n);

      CosNaming::Name simple_name;
      simple_name.length (1);
      simple_name[0] = n[name_len - 1];
      try
        {
          context->bind_context (simple_name, nc);
        }
      catch (const CORBA::SystemException&)
        {
          throw CosNaming::NamingContext::CannotProceed(
            context.in (), simple_name);
        }
    }
  // If we received a simple name, we need to bind it in this context.
  else
    {
      ACE_WRITE_GUARD_THROW_EX (TAO_SYNCH_RW_MUTEX, ace_mon,
                                this->lock_,
                                CORBA::INTERNAL ());

      // Try binding the name.
      int result = this->context_->bind (n[0].id,
                                        n[0].kind,
                                        nc,
                                        CosNaming::ncontext);
      if (result == 1)
        throw CosNaming::NamingContext::AlreadyBound();

      // Something went wrong with the internal structure
      else if (result == -1)
        throw CORBA::INTERNAL ();
    }
}

void
handle_sigint
( int signal )
{
	std::cout << "\nGot Crtl-C" << std::endl;
	std::cerr << "..... unbind in NameService" << std::endl;

	//
	// unbind in naming service
	//
    CORBA::Object_var obj;
	CosNaming::NamingContext_var nameService;
	char hostname[256];
	gethostname(hostname, 256);
	CosNaming::Name name;
    name.length(3);
    name[0].id = CORBA::string_dup("Qedo");
    name[0].kind = CORBA::string_dup("");
	name[1].id = CORBA::string_dup("ComponentInstallation");
    name[1].kind = CORBA::string_dup("");
	name[2].id = CORBA::string_dup(hostname);
    name[2].kind = CORBA::string_dup("");
    try
    {
        obj = orb->resolve_initial_references("NameService");
		nameService = CosNaming::NamingContext::_narrow(obj.in());
		nameService->unbind(name);
    }
	catch (const CORBA::Exception&)
	{
		std::cerr << "..... could not unbind" << std::endl;
	}
	
	exit(1);
}

void CNamingTreeCtrl::OnContextpopupBindnewcontext()
{
  // TODO: Add your command handler code here
  HTREEITEM hItem = GetSelectedItem();
  CNamingObject* pObject = GetTreeObject(hItem);
  CosNaming::NamingContext_var Context = pObject->NamingContext();
  if(CORBA::is_nil(Context.in ()))
  {
    return;
  }
  CBindNewContext Dialog;
  if(Dialog.DoModal() != IDOK)
  {
    return;
  }
  try
  {
    CosNaming::NamingContext_var NewContext = Context->new_context();
    Context->bind_context(Dialog.GetName(), NewContext);
    OnContextPopupRefresh();
  }
  catch(CORBA::Exception& ex)
  {
    MessageBox(ACE_TEXT_CHAR_TO_TCHAR (ex._rep_id()), ACE_TEXT ("CORBA::Exception"));
  }
}

void
VOmniORBHelper::nsRegisterObject(CORBA::Object_ptr obj,
				 const char* program, const char* object,
				 int telescopenumber)
  throw(CORBA::SystemException, 
	CosNaming::NamingContext::NotFound,
	CosNaming::NamingContext::CannotProceed,
	CosNaming::NamingContext::InvalidName,
	CosNaming::NamingContext::AlreadyBound)
{
  ZThread::Guard<ZThread::RecursiveMutex> guard(m_mutex);
  CosNaming::NamingContext_var root = nsRootContext();
  CosNaming::Name_var name = 
    nsPathToObjectName(program, object, telescopenumber);

  for(unsigned int n=0; n<name->length()-1; n++)
    {
      CosNaming::Name_var child_name = name;
      child_name->length(n+1);
      
      try
	{
	  CORBA::Object_var object = root->resolve(child_name);
	}
      catch(CosNaming::NamingContext::NotFound)
	{
	  CosNaming::NamingContext_var 
	    child = root->bind_new_context(child_name);
	}
    }

  root->rebind(name,obj);
}

int ACE_TMAIN (int argc, ACE_TCHAR *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
    obj = orb->resolve_initial_references("NameService");
    CosNaming::NamingContext_var root =
      CosNaming::NamingContext::_narrow(obj.in());
    if (CORBA::is_nil(root.in())) {
      std::cerr << "Nil Naming Context reference" << 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 {
      obj = root->resolve(name);
    }
    catch(const CosNaming::NamingContext::NotFound&) {
      CosNaming::NamingContext_var dummy = root->bind_new_context(name);
    }

    // Bind the Messenger object
    name.length(2);
    name[1].id = CORBA::string_dup("Messenger");

    // Create an object
    PortableServer::Servant_var<Messenger_i> servant = new Messenger_i;
    PortableServer::ObjectId_var oid = poa->activate_object(servant.in());
    obj = poa->id_to_reference(oid.in());
    Messenger_var messenger = Messenger::_narrow(obj.in());
    root->rebind(name, messenger.in());

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

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

  return 0;
}

static CORBA::Object_ptr getObjectReference(CORBA::ORB_ptr orb) {
  CosNaming::NamingContext_var rootContext;
  
  try {
    // Obtain a reference to the root context of the Name service:
    CORBA::Object_var obj;
    obj = orb->resolve_initial_references("NameService");

    // Narrow the reference returned.
    rootContext = CosNaming::NamingContext::_narrow(obj);
    if( CORBA::is_nil(rootContext) ) {
      cerr << "Failed to narrow the root naming context." << endl;
      return CORBA::Object::_nil();
    }
  } catch (CORBA::NO_RESOURCES&) {
    cerr << "Caught NO_RESOURCES exception. You must configure omniORB "
	 << "with the location" << endl
	 << "of the naming service." << endl;
    return 0;
  } catch(CORBA::ORB::InvalidName& ex) {
    // This should not happen!
    cerr << "Service required is invalid [does not exist]." << endl;
    return CORBA::Object::_nil();
  }

  // Create a name object, containing the name test/context:
  CosNaming::Name name;
  name.length(2);

  name[0].id   = (const char*) "test";       // string copied
  name[0].kind = (const char*) "my_context"; // string copied
  name[1].id   = (const char*) "IdServer";
  name[1].kind = (const char*) "Object";
  // Note on kind: The kind field is used to indicate the type
  // of the object. This is to avoid conventions such as that used
  // by files (name.type -- e.g. test.ps = postscript etc.)

  try {
    // Resolve the name to an object reference.
    return rootContext->resolve(name);
  } catch(CosNaming::NamingContext::NotFound& ex) {
    // This exception is thrown if any of the components of the
    // path [contexts or the object] aren't found:
    cerr << "Context not found." << endl;
  } catch(CORBA::TRANSIENT& ex) {
    cerr << "Caught system exception TRANSIENT -- unable to contact the "
         << "naming service." << endl
	 << "Make sure the naming server is running and that omniORB is "
	 << "configured correctly." << endl;

  } catch(CORBA::SystemException& ex) {
    cerr << "Caught a CORBA::" << ex._name()
	 << " while using the naming service." << endl;
    return 0;
  }

  return CORBA::Object::_nil();
}

int main(int argc, char *argv[])
{
    CORBA::ORB_var orb = CORBA::ORB::_nil();
  
    try {

	orb = CORBA::ORB_init(argc, argv);
	
	CORBA::Object_var obj;
	
	obj = orb->resolve_initial_references("RootPOA");
	PortableServer::POA_var poa = PortableServer::POA::_narrow(obj);
	if(CORBA::is_nil(poa)){
	    throw std::string("error: failed to narrow root POA.");
	}
	
	PortableServer::POAManager_var poaManager = poa->the_POAManager();
	if(CORBA::is_nil(poaManager)){
	    throw std::string("error: failed to narrow root POA manager.");
	}
	
	OnlineViewer_impl* OnlineViewerImpl = new OnlineViewer_impl(orb, poa);
	poa->activate_object(OnlineViewerImpl);
	OnlineViewer_var OnlineViewer = OnlineViewerImpl->_this();
	OnlineViewerImpl->_remove_ref();

	obj = orb->resolve_initial_references("NameService");
	CosNaming::NamingContext_var namingContext = CosNaming::NamingContext::_narrow(obj);
	if(CORBA::is_nil(namingContext)){
	    throw std::string("error: failed to narrow naming context.");
	}
	
	CosNaming::Name name;
	name.length(1);
	name[0].id = CORBA::string_dup("OnlineViewer");
	name[0].kind = CORBA::string_dup("");
	namingContext->rebind(name, OnlineViewer);

	poaManager->activate();
	
        glmain(argc, argv);
    }
    catch (CORBA::SystemException& ex) {
        std::cerr << ex._rep_id() << std::endl;
    }
    catch (const std::string& error){
        std::cerr << error << std::endl;
    }

    try {
	orb->destroy();
    }
    catch(...){

    }
    
    return 0;
}

int
ACE_TMAIN (int argc, ACE_TCHAR *argv [])
{
  try
  {
    // Initialize orb
    CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);

    if (parse_args (argc, argv) != 0)
      return 1;

    // Find the Naming Service.
    CORBA::Object_var rootObj =  orb->resolve_initial_references("NameService");
    CosNaming::NamingContext_var rootNC =
      CosNaming::NamingContext::_narrow(rootObj.in());

    // Get the  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();

    // Create our Messenger servant.
    PortableServer::Servant_var<Messenger_i> messenger_servant =
      new Messenger_i(orb.in());

    // Register it with the RootPOA.
    PortableServer::ObjectId_var oid =
      poa->activate_object( messenger_servant.in() );
    CORBA::Object_var messenger_obj = poa->id_to_reference( oid.in() );

    // Bind it in the Naming Service.
    CosNaming::Name name;
    name.length (1);
    name[0].id = CORBA::string_dup("MessengerService");
    rootNC->rebind(name, messenger_obj.in());

    CORBA::String_var str = orb->object_to_string (messenger_obj.in());
    std::ofstream iorFile (ACE_TEXT_ALWAYS_CHAR(ior_output_file));
    iorFile << str.in () << std::endl;
    iorFile.close ();
    std::cout << "IOR written to file " << ior_output_file << std::endl;

    // Accept requests
    orb->run();
    orb->destroy();

  }
  catch(const CORBA::Exception& ex) {
    std::cerr << ex << std::endl;
    return 1;
  }
  return 0;

}

int main( int argc, char *argv[] )
{
  try 
  {
    // Initialize the CORBA Object Request Broker
    CORBA::ORB_var orb = CORBA::ORB_init( argc, argv );

	// Find the CORBA Services Naming Service
	CORBA::Object_var naming_obj = orb->resolve_initial_references("NameService");
	CosNaming::NamingContext_var root = CosNaming::NamingContext::_narrow(naming_obj.in());
	if(CORBA::is_nil(root.in()))
	{
		cerr << "Could not narrow NameService to NamingContext!" << endl;
		throw 0;
	}

    // Resolve the desired object (ExampleInterfaces.IAdder).
	// The module and interface bindings need to be the same here in the client as they
	// are in the server.
    CosNaming::Name name;
    name.length(2);
    name[0].id = CORBA::string_dup( "ExampleInterfaces" );	// IDL-defined Module (namespace)
    name[1].id = CORBA::string_dup( "IAdder" );				// IDL-defined Interface (interface class)
    CORBA::Object_var obj = root->resolve(name);

    // Narrow to confirm that we have the interface we want.
	ExampleInterfaces::IAdder_var iAdder = ExampleInterfaces::IAdder::_narrow(obj.in());
    if (CORBA::is_nil(iAdder.in())) 
	{
      cerr << "Could not narrow to an iAdder reference" << endl;
      return 1;
    }

	// Now use the remote object...
	cout << "Using a remote object that implements the IAdder interface..." << endl;
	cout << endl;
	double number1 = 0;
	double number2 = 0;
	double sum = 0;
	while (true)
	{
		cout << "Enter the first number: ";
		cin >> number1;
		cout << "Enter the second number: ";
		cin >> number2;
		sum = iAdder->add(number1, number2);
		cout << "The sum is: " << sum << endl;
		cout << "------------------" << endl;
	}
  }
  catch ( CORBA::Exception& ex ) {
    cerr << "Caught a CORBA::Exception: " << ex << endl;
    return 1;
  }
  
  return 0;
}