C++ POA_var::set_servant方法代码示例

CORBA::Boolean
ImR_Adapter::unknown_adapter (PortableServer::POA_ptr parent,
                              const char *name)
{
  ACE_ASSERT (! CORBA::is_nil(parent));
  ACE_ASSERT (name != 0);
  CORBA::PolicyList policies (3);

  const char *exception_message = "Null Message";
  policies.length (3);
  try
    {
      // Servant Retention Policy
      exception_message = "While PortableServer::POA::create_servant_retention_policy";
      policies[0] =
        parent->create_servant_retention_policy (PortableServer::NON_RETAIN);

      // Request Processing Policy
      exception_message = "While PortableServer::POA::create_request_processing_policy";

      policies[1] =
        parent->create_request_processing_policy (PortableServer::USE_DEFAULT_SERVANT);
      policies[2] =
        parent->create_id_uniqueness_policy (PortableServer::MULTIPLE_ID);

      PortableServer::POAManager_var poa_manager =
        parent->the_POAManager ();

      exception_message = "While create_POA";
      PortableServer::POA_var child =
        parent->create_POA (name,
                            poa_manager.in (),
                            policies);

      exception_message = "While policy->destroy";
      for (CORBA::ULong i = 0; i < policies.length (); ++i)
        {
          CORBA::Policy_ptr policy = policies[i];
          policy->destroy ();
        }

      exception_message = "While child->the_activator";
      child->the_activator (this);

      exception_message = "While set_servant";
      child->set_servant (this->default_servant_);
    }
  catch (const CORBA::Exception& ex)
    {
      ORBSVCS_ERROR ((LM_ERROR,
                  "IMR_Adapter_Activator::unknown_adapter - %s\n",
                  exception_message));
      ex._tao_print_exception ("System Exception");
      return 0;
    }

  // Finally, now everything is fine
  return 1;
}

CORBA::Boolean
Adapter_Activator::unknown_adapter (PortableServer::POA_ptr parent,
                                    const char *name)
{
  if (ACE_OS::strcmp (name, "firstPOA") == 0)
    {
      PortableServer::POA_var child = parent->create_POA (name,
                                                          this->poa_manager_.in (),
                                                          this->first_poa_policies_);

      // Creation of firstPOA is over. Destroy the Policy objects.
      for (CORBA::ULong i = 0;
           i < this->first_poa_policies_.length ();
           ++i)
        {
          this->first_poa_policies_[i]->destroy ();
        }

      child->the_activator (this);

      reference_counted_test_i *servant =
        new reference_counted_test_i (this->orb_.in (),
                                      child.in ());

      child->set_servant (servant);

      // This means that the ownership of <servant> now belongs to the
      // POA.
      servant->_remove_ref ();

      // Finally everything is fine
      return 1;
    }
  else if (ACE_OS::strcmp (name, "secondPOA") == 0)
    {
      PortableServer::POA_var child = parent->create_POA (name,
                                                          this->poa_manager_.in (),
                                                          this->second_poa_policies_);

      // Creation of secondPOA is over. Destroy the Policy objects.
      for (CORBA::ULong i = 0;
           i < this->second_poa_policies_.length ();
           ++i)
        {
          this->second_poa_policies_[i]->destroy ();
        }

      reference_counted_test_i *servant =
        new reference_counted_test_i (this->orb_.in (),
                                      child.in ());

      PortableServer::ObjectId_var oid =
        PortableServer::string_to_ObjectId ("third test");

      child->activate_object_with_id (oid.in (),
                                      servant);

      // This means that the ownership of <servant> now belongs to the
      // POA.
      servant->_remove_ref ();

      // Finally everything is fine
      return 1;
    }
  else
    {
      // Unknown POA.
      return 0;
    }
}

//.........这里部分代码省略.........

        PortableServer::POA_var root_poa = PortableServer::POA::_narrow(obj.in());


        PortableServer::POAManager_var poa_manager = root_poa->the_POAManager();


        CORBA::PolicyList policy_list;
        policy_list.length(5);
        policy_list[0] = root_poa->create_request_processing_policy (PortableServer::USE_DEFAULT_SERVANT);

        policy_list[1] =  root_poa->create_id_uniqueness_policy (PortableServer::MULTIPLE_ID);

        policy_list[2] = root_poa->create_id_assignment_policy(PortableServer::USER_ID);

        policy_list[3] = root_poa->create_servant_retention_policy(PortableServer::NON_RETAIN);

        policy_list[4] =  root_poa->create_lifespan_policy (PortableServer::PERSISTENT);

        printf("policies are created !\n");

        PortableServer::POA_var poa = root_poa->create_POA("ACSLogSvc", poa_manager.in(), policy_list);

        ACE_OS::printf("POA created !\n");

        for (CORBA::ULong i = 0; i < policy_list.length (); ++i) {
            CORBA::Policy_ptr policy = policy_list[i];
            policy->destroy ();

        }
        printf("Policies are destroyed !\n");

        ACSLogImpl acsLogSvc (m_logger);
        poa->set_servant (&acsLogSvc);


        PortableServer::ObjectId_var oid = PortableServer::string_to_ObjectId ("ACSLogSvc");
        obj = poa->create_reference_with_id (oid.in(),  acsLogSvc._interface_repository_id());


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


        // if ther is file name write ior in it
        if (iorFile.length()!=0)
        {
            FILE *output_file = ACE_OS::fopen (iorFile.c_str(), "w");
            if (output_file == 0)
            {
                ACS_SHORT_LOG ((LM_ERROR,
                                "Cannot open output files for writing IOR: ior.ior"));
                return  -1;
            }//if

            int result = ACE_OS::fprintf (output_file, "%s", ior.in());
            if (result < 0)
            {
                ACS_SHORT_LOG ((LM_ERROR,
                                "ACE_OS::fprintf failed while writing %s to ior.ior", ior.in()));
                return  -1;
            }//if
            ACE_OS::fclose (output_file);
            ACS_SHORT_LOG((LM_INFO, "ACSLogSvc's IOR has been written into: %s", iorFile.c_str()));
        }//if

int main(int argc, char *argv[])
{
    int c, instance = -1;
    ACE_CString daemonRef;
    ACE_CString hostName;
    ACE_CString additional;
    for (;;) {
	int option_index = 0;
	c = getopt_long(argc, argv, "hi:d:H:a:",
			long_options, &option_index);
	if (c == -1)
	    break;
	switch (c) {
	case 'h':
	    usage(argv[0]);
	    return 0;
	case 'i':
	    instance = ACE_OS::atoi(optarg);
	    break;
	case 'd':
	    daemonRef = optarg;
	    break;
	case 'H':
	    hostName = optarg;
	    break;
	case 'a':
	    additional = optarg;
	    break;
	}
    }
    if (instance == -1) {
	ACE_OS::printf("Error: instance is a mandatory option try %s -h\n",
		       argv[0]);
	return -1;
    }

	#define DEFAULT_LOG_FILE_NAME "acs_local_log"
	ACE_CString daemonsLogFileName = getTempFileName(0, DEFAULT_LOG_FILE_NAME);

	// replace "ACS_INSTANCE.x" with "acsdaemonStartAcs_" + <timestamp>
	ACE_CString daemonsDir = "acsdaemonStartAcs_" + getStringifiedTimeStamp();

	ACE_CString instancePart("ACS_INSTANCE.");
	ACE_CString::size_type pos = daemonsLogFileName.find(instancePart);
	daemonsLogFileName =
			daemonsLogFileName.substring(0, pos) +
			daemonsDir +
			daemonsLogFileName.substring(pos + instancePart.length() + 1);	// +1 for skipping instance number

	ACE_OS::setenv("ACS_LOG_FILE", daemonsLogFileName.c_str(), 1);

	LoggingProxy *logger = new LoggingProxy(0, 0, 31);
    if (logger) {
	LoggingProxy::init(logger);
	LoggingProxy::ProcessName(argv[0]);
	LoggingProxy::ThreadName("main");
    } else
	ACS_SHORT_LOG((LM_INFO, "Failed to initialize logging."));

    StartCallback* sc = new StartCallback();

    try {
	// Initialize the ORB.
	CORBA::ORB_var orb = CORBA::ORB_init(argc, argv, "TAO");

	// get a reference to the RootPOA
	CORBA::Object_var pobj = orb->resolve_initial_references("RootPOA");
	PortableServer::POA_var root_poa = PortableServer::POA::_narrow(pobj.in());
	PortableServer::POAManager_var poa_manager = root_poa->the_POAManager();
      
	// create policies
	CORBA::PolicyList policy_list;
	policy_list.length(5);
	policy_list[0] = root_poa->create_request_processing_policy(PortableServer::USE_DEFAULT_SERVANT);
	policy_list[1] = root_poa->create_id_uniqueness_policy(PortableServer::MULTIPLE_ID);
	policy_list[2] = root_poa->create_id_assignment_policy(PortableServer::USER_ID); 
	policy_list[3] = root_poa->create_servant_retention_policy(PortableServer::NON_RETAIN); 
	policy_list[4] = root_poa->create_lifespan_policy(PortableServer::PERSISTENT);
      
	// create a ACSDaemon POA with policies 
	PortableServer::POA_var poa = root_poa->create_POA("DaemonCallback", poa_manager.in(), policy_list);

	// destroy policies
	for (CORBA::ULong i = 0; i < policy_list.length(); ++i)
	    {
	    CORBA::Policy_ptr policy = policy_list[i];
	    policy->destroy();
	    }

	// set as default servant
	poa->set_servant(sc);

	// create reference
	PortableServer::ObjectId_var oid = PortableServer::string_to_ObjectId("DaemonCallback");
	pobj = poa->create_reference_with_id (oid.in(), sc->_interface_repository_id());
	CORBA::String_var m_ior = orb->object_to_string(pobj.in());

	// bind to IOR table
      	CORBA::Object_var table_object = orb->resolve_initial_references("IORTable");
	IORTable::Table_var adapter = IORTable::Table::_narrow(table_object.in());
//.........这里部分代码省略.........