C++ POA_ptr::activate_object_with_id方法代码示例

Callback_ptr
ServerApp::create_callback(
    PortableServer::POA_ptr poa,
    const char* servant_name)
{
    PortableServer::ServantBase_var servant
        = new Callback_i();

    PortableServer::ObjectId_var id =
        PortableServer::string_to_ObjectId("callback");

    poa->activate_object_with_id(id.in(), servant.in());

    CORBA::Object_var obj = poa->id_to_reference(id.in());

    if (CORBA::is_nil(obj.in()))
    {
        ACE_ERROR((LM_ERROR,
                   "(%P|%t) Failed to activate servant (%s).\n",
                   servant_name));
        throw TestException();
    }

    Callback_var callback = Callback::_narrow (obj.in ());

    return callback._retn ();
}

CosNaming::NamingContext_ptr
TAO_Transient_Naming_Context::make_new_context (PortableServer::POA_ptr poa,
                                                const char *poa_id,
                                                size_t context_size)
{
  // Put together a servant for the new Naming Context.

  TAO_Transient_Naming_Context *context_impl = 0;
  ACE_NEW_THROW_EX (context_impl,
                    TAO_Transient_Naming_Context (poa,
                                                  poa_id,
                                                  context_size),
                    CORBA::NO_MEMORY ());

  // Put <context_impl> into the auto pointer temporarily, in case next
  // allocation fails.
  ACE_Auto_Basic_Ptr<TAO_Transient_Naming_Context> temp (context_impl);

  TAO_Naming_Context *context = 0;
  ACE_NEW_THROW_EX (context,
                    TAO_Naming_Context (context_impl),
                    CORBA::NO_MEMORY ());

  // Let <implementation> know about it's <interface>.
  context_impl->interface (context);

  // Release auto pointer, and start using reference counting to
  // control our servant.
  temp.release ();
  PortableServer::ServantBase_var s = context;

  // Register the new context with the POA.
#if defined (CORBA_E_MICRO)
  PortableServer::ObjectId_var id = poa->activate_object (context);
#else
  PortableServer::ObjectId_var id =
    PortableServer::string_to_ObjectId (poa_id);

  poa->activate_object_with_id (id.in (), context);
#endif /* CORBA_E_MICRO */

  CosNaming::NamingContext_var result = context->_this ();

  return result._retn ();
}

void
test_poas (CORBA::ORB_ptr orb,
           PortableServer::POA_ptr root_poa,
           PortableServer::POA_ptr first_poa,
           PortableServer::POA_ptr second_poa,
           PortableServer::POA_ptr third_poa,
           PortableServer::POA_ptr forth_poa,
           int perform_deactivation_test)
{
  {
    test_i servant (root_poa);

    CORBA::Object_var obj = root_poa->create_reference ("IDL:test:1.0");

    CORBA::String_var string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    PortableServer::ObjectId_var id = root_poa->reference_to_id (obj.in ());

    root_poa->activate_object_with_id (id.in (),
                                       &servant);

    obj = root_poa->id_to_reference (id.in ());

    string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    PortableServer::ServantBase_var servant_from_reference =
      root_poa->reference_to_servant (obj.in ());

    PortableServer::ServantBase_var servant_from_id =
      root_poa->id_to_servant (id.in ());

    if (servant_from_reference.in () != servant_from_id.in ()
        || servant_from_reference.in () != &servant)
      {
        ACE_ERROR ((LM_ERROR,
                    "Mismatched servant_from_reference, "
                    "servant_from_id and &servant\n"));
      }

    obj = root_poa->servant_to_reference (&servant);

    string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    obj = servant._this ();

    string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    PortableServer::ObjectId_var id_from_servant = root_poa->servant_to_id (&servant);

    ACE_ASSERT (id_from_servant.in () == id.in ());

    root_poa->deactivate_object (id.in ());

    if (perform_deactivation_test)
      {
        root_poa->activate_object_with_id (id.in (),
                                           &servant);

        servant_from_reference = root_poa->reference_to_servant (obj.in ());

        ACE_ASSERT (servant_from_reference.in () == &servant);

        root_poa->deactivate_object (id.in ());
      }
  }

  {
    test_i servant (root_poa);

    PortableServer::ObjectId_var id = root_poa->activate_object (&servant);

    CORBA::Object_var obj = root_poa->id_to_reference (id.in ());

    CORBA::String_var string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    obj = root_poa->create_reference_with_id (id.in (),
                                              "IDL:test:1.0");

    string = orb->object_to_string (obj.in ());

    ACE_DEBUG ((LM_DEBUG, "%C\n", string.in ()));

    root_poa->deactivate_object (id.in ());
  }

  {
    test_i servant (first_poa);

    CORBA::Object_var obj = first_poa->create_reference ("IDL:test:1.0");

//.........这里部分代码省略.........

CosNaming::NamingContext_ptr
TAO_Persistent_Naming_Context::make_new_context (PortableServer::POA_ptr poa,
                                                 const char *poa_id,
                                                 size_t context_size,
                                                 TAO_Persistent_Context_Index * ind)
{
  // Store the stub we will return here.
  CosNaming::NamingContext_var result;

  // Put together a servant for the new Naming Context.

  TAO_Persistent_Naming_Context *context_impl = ind->create_naming_context_impl(
    poa,
    poa_id);

  // Verify that a context implementation was created. If not, throw an exception
  if (context_impl == 0)
    throw CORBA::NO_MEMORY ();

  // Put <context_impl> into the auto pointer temporarily, in case next
  // allocation fails.
  ACE_Auto_Basic_Ptr<TAO_Persistent_Naming_Context> temp (context_impl);

  if (context_impl->init (context_size) == -1)
    throw CORBA::NO_MEMORY ();

  // Insure appropriate cleanup in case of exception conditions ahead.
  context_impl->set_cleanup_level (1);

  // Register with the index of Naming Contexts.
  if (ind->bind (context_impl->poa_id_.c_str (),
                 context_impl->counter_,
                 context_impl->persistent_context_->map ()) == -1)
    throw CORBA::INTERNAL ();

  // Insure appropriate cleanup in case of exception conditions ahead.
  context_impl->set_cleanup_level (2);

  TAO_Naming_Context *context = 0;
  ACE_NEW_THROW_EX (context,
                    TAO_Naming_Context (context_impl),
                    CORBA::NO_MEMORY ());

  // Let <implementation> know about it's <interface>.
  context_impl->interface (context);

  // Release auto pointer, and start using reference counting to
  // control our servant.
  temp.release ();
  PortableServer::ServantBase_var s = context;

  // Register the new context with the POA.
  PortableServer::ObjectId_var id =
    PortableServer::string_to_ObjectId (poa_id);

  poa->activate_object_with_id (id.in (),
                                context);

  result = context->_this ();

  // Everything went smoothly, without errors - we don't need any cleanup.
  context_impl->set_cleanup_level (0);

  return result._retn ();
}

void
test_object_deactivation (PortableServer::POA_ptr poa,
                          const PortableServer::ObjectId &id)
{
  test_i servant;
  int expected_exception_raised = 0;

  PortableServer::ObjectId_var invalid_id =
    PortableServer::string_to_ObjectId ("invalid id");

  try
    {
      poa->deactivate_object (invalid_id.in ());
    }
  catch (const PortableServer::POA::ObjectNotActive& )
    {
      // This is the correct exception! Ignore
      expected_exception_raised = 1;
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception (
        "Exception caught of incorrect type");
      ACE_ASSERT (0);
    }

  // Make sure an exception was raised and it was of the correct
  // type.
  ACE_ASSERT (expected_exception_raised);



  poa->activate_object_with_id (id,
                                &servant);

  poa->deactivate_object (id);

  // Reset flag
  expected_exception_raised = 0;

  try
    {
      poa->deactivate_object (id);
    }
  catch (const PortableServer::POA::ObjectNotActive& )
    {
      // This is the correct exception! Ignore
      expected_exception_raised = 1;
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception (
        "Exception caught of incorrect type");
      ACE_ASSERT (0);
    }

  // Make sure an exception was raised and it was of the correct
  // type.
  ACE_ASSERT (expected_exception_raised);

  poa->activate_object_with_id (id,
                                &servant);

  servant.poa_ =
    PortableServer::POA::_duplicate (poa);

  servant.id_ = id;

  CORBA::Object_var object = poa->id_to_reference (id);

  test_var test =
    test::_narrow (object.in ());

  test->deactivate_self ();

  // ACE_ASSERT dissappears in non-debug builds
  ACE_UNUSED_ARG (expected_exception_raised);

}

void
FooServantList::create_and_activate(CORBA::ORB_ptr orb,
                                    PortableServer::POA_ptr poa)
{
  poa_ = PortableServer::POA::_duplicate (poa);

  for (unsigned i = 0; i < this->num_servants_; i++)
    {
      ACE_TCHAR buf[32];
      ACE_OS::sprintf(buf, ACE_TEXT("%02d"), i + 1);
      ACE_TString servant_name = this->prefix_ + ACE_TEXT("_") + buf;

      this->servants_[i] = new Foo_i(ACE_TEXT_ALWAYS_CHAR(servant_name.c_str()),this);
      this->safe_servants_[i] = this->servants_[i];

      PortableServer::ObjectId_var id =
                    PortableServer::string_to_ObjectId(ACE_TEXT_ALWAYS_CHAR(servant_name.c_str()));

      poa->activate_object_with_id(id.in(),
                                   this->safe_servants_[i].in());

      CORBA::Object_var obj = poa->id_to_reference(id.in());

      if (CORBA::is_nil(obj.in()))
        {
          ACE_ERROR((LM_ERROR,
                     "(%P|%t) Failed to activate servant (%s).\n",
                     servant_name.c_str()));
          throw TestException();
        }

      // create the collocated object reference.
      if (this->collocated_test_ && i == 0)
        {
          Foo_var collocated = Foo::_narrow (obj.in ());

          // Create the servant object.
          Callback_i* servant = new Callback_i ();

          // local smart pointer variable to deal with releasing the reference
          // to the servant object when the smart pointer object falls out of scope.
          PortableServer::ServantBase_var safe_servant(servant);

          PortableServer::ObjectId_var id =
            PortableServer::string_to_ObjectId("callback");

          poa->activate_object_with_id(id.in(), safe_servant.in());

          CORBA::Object_var obj = poa->id_to_reference(id.in());

          if (CORBA::is_nil(obj.in()))
            {
              ACE_ERROR((LM_ERROR,
                        "(%P|%t) Failed to activate servant (%s).\n",
                        servant_name.c_str()));
              throw TestException();
            }

          Callback_var callback
            = Callback::_narrow (obj.in ());

          collocated_client_
            = new ClientTask(orb, collocated.in (), callback.in (), true);
          if (collocated_client_->open() != 0)
            {
              ACE_ERROR((LM_ERROR,
                "(%P|%t) Failed to open the collocated client.\n"));
              throw TestException();
            }
        }

      CORBA::String_var ior
        = this->orb_->object_to_string(obj.in());

      ACE_TString filename = servant_name + ACE_TEXT(".ior");
      FILE* ior_file = ACE_OS::fopen(filename.c_str(), "w");

      if (ior_file == 0)
        {
          ACE_ERROR((LM_ERROR,
                     "(%P|%t) Cannot open output file (%s) for writing IOR.",
                     filename.c_str()));
          throw TestException();
        }
      else
        {
          ACE_DEBUG((LM_DEBUG,
                     "(%P|%t) writing IOR to file %s\n",
                     filename.c_str()));
        }
      ACE_OS::fprintf(ior_file, "%s", ior.in());
      ACE_OS::fclose(ior_file);
    }
}