C++ SimpleClient::run方法代码示例

int main(int argc, char *argv[])
{
    // Checks command-line arguments.
    if (argc < 2)
	{
	ACS_SHORT_LOG((LM_INFO, "Usage: %s <component name> <options>", argv[0]));
	return -1;
	}
    else
	{
	ACS_SHORT_LOG((LM_INFO, "Welcome to %s!", argv[0]));
	}
    
    //Creates and initializes the SimpleClient object
    SimpleClient client;
    if (client.init(argc,argv) == 0)
	{
	ACE_DEBUG((LM_DEBUG,"Cannot init client"));
	return -1;
	}
    else
	{
	//Must log into manager before we can really do anything
	client.login();
	}

    try
	{
	//List all components of type "*Mount*" the Manager knows of. 
	ACS_SHORT_LOG((LM_INFO, "Listing all components of type *Mount*"));
	maci::HandleSeq seq;
	//See the doxygen documentation for maci.idl to understand what these parameters
	//are.
	maci::ComponentInfoSeq_var components = client.manager()->get_component_info(client.handle(), 
										     seq, 
										     "*", 
										     "*Mount*", 
										     false);
	
	for (CORBA::ULong i = static_cast<CORBA::ULong>(0); i < components->length(); i++)
	    {
	    //just print out all known mount components
	    ACS_SHORT_LOG((LM_INFO,"%s (%s)", components[i].name.in(), components[i].type.in()));
	    }
	
	// Now get the specific component we have requested from the command-line
	ACS_SHORT_LOG((LM_INFO, "Getting component: %s", argv[1]));

	//getComponent can throw an exception if it fails
	MOUNT_ACS::Mount_var mount = client.getComponent<MOUNT_ACS::Mount>(argv[1], 0, true);
	
	
	//Prints the descriptor of the requested component
	ACS_SHORT_LOG((LM_DEBUG, "Requesting descriptor()... "));
	ACS::CharacteristicComponentDesc_var descriptor = mount->descriptor();
	ACS_SHORT_LOG((LM_DEBUG, "Got descriptor()."));
	ACS_SHORT_LOG((LM_INFO,"Descriptor:"));
	ACS_SHORT_LOG((LM_INFO,"\tname: %s", descriptor->name.in()));
	
	//Get the reference to the  actAz double property
	ACS_SHORT_LOG((LM_INFO, "Getting component property: %s:actAz", argv[1]));
	ACS::ROdouble_var actAz = mount->actAz();
	    
	if (actAz.ptr() != ACS::ROdouble::_nil())
	    {
	    //Get the current value of the property synchronously
	    ACSErr::Completion_var completion;
	    CORBA::Double val = actAz->get_sync(completion.out());
	    ACS_SHORT_LOG((LM_INFO,"Value: %f", val));
	    
	    
	    //Create the CBdouble property
	    ACS_SHORT_LOG((LM_INFO, "Trying to narrow CB for actAz... "));
	    MyCBdouble myCallback("actAz");
	    //Activate it as a CORBA object
	    ACS::CBdouble_var cb = myCallback._this(); 
	    ACS_SHORT_LOG((LM_INFO, "OK"));
	    
	    //Invoke the asynchronous method.
	    ACS_SHORT_LOG((LM_INFO, "Call get_async for actAz..."));
	    ACS::CBDescIn desc;
	    actAz->get_async(cb.in(), desc);    //returns control immediately
	    
	    //Here some other useful things should be done
	    //while the asyncrhonous reply comes
	    //...
	    //...
	    //...
	    
	    //Enter main loop and stays there for a fixed amount of time (1s)
	    //This is done to give the asynchronous method a chance to finish.
	    ACE_Time_Value tv(1);
	    client.run(tv);
	    }//if
	}
    catch(maciErrType::CannotGetComponentExImpl &_ex) // can be thrown by getComponent<..>(...)
	{
	_ex.log();
	return -1;
	}
//.........这里部分代码省略.........

/*
 * Main procedure
 */
int main(int argc, char *argv[])
{
    //Checks command-line arguments.
    if (argc < 2)
	{
	ACS_SHORT_LOG((LM_INFO, "Usage: %s <component name> <options>", argv[0]));
	return -1;
	}
    else
	{
	ACS_SHORT_LOG((LM_INFO, "Welcome to %s!", argv[0]));
	}

    //Creates and initializes the SimpleClient object
    SimpleClient client;    
    if (client.init(argc,argv) == 0)
	{
	ACE_DEBUG((LM_DEBUG,"Cannot init client"));
	return -1;
	}
    else
	{
	//Must log into manager before we can really do anything
	client.login();
	}

    //Create an instance of our user-defined callback class
    MyCBdouble myCallback("refTemp");

    try
	{
	//Get the specific component we have requested on the command-line
	FRIDGE::FridgeControl_var fridge = client.getComponent<FRIDGE::FridgeControl>(argv[1], 0, true);
	    
	//Get one of the component's BACI properties
	ACS::RWdouble_var refTemperature = fridge->refTemperature();
	
	if (refTemperature.ptr() != ACS::RWdouble::_nil())
	    {
	    ACSErr::Completion_var completion;
	    
	    //Just synchronously reading the value of refTemp
	    CORBA::Double val = refTemperature->get_sync(completion.out());
	    ACS_SHORT_LOG((LM_INFO,"Value: %f", val));
	    
	    //Activate the callback as a CORBA object
	    ACS::CBdouble_var cb = myCallback._this();
	    ACS_SHORT_LOG((LM_INFO, "OK"));
	    
	    ACS::CBDescIn desc;
	    desc.id_tag = 2;
	    ACS_SHORT_LOG((LM_INFO, "Trying to create monitor for refTemperature..."));

	    //Create the actual monitor
	    ACS::Monitordouble_var md = refTemperature->create_monitor(cb.in(), desc);
	    if (md.ptr() != ACS::Monitordouble::_nil())
		{
		ACS_SHORT_LOG((LM_INFO, "OK"));
		//Set the timer trigger to one second.
		md->set_timer_trigger(10000000);
		}
	    else
		{
		ACS_SHORT_LOG((LM_INFO, "Failed"));
		}

	    //Give the callback some time to run.
	    ACE_Time_Value time(20);
	    client.run(time);
	    
	    //Must explicitly destroy the callback before exiting
	    md->destroy();
	    //Give the callback time to be really destroyed
	    ACE_OS::sleep(15);
	    }
	}
    catch(maciErrType::CannotGetComponentExImpl &_ex)
	{
	_ex.log();
	return -1;
	}
    catch(...)
	{
	ACSErrTypeCommon::UnexpectedExceptionExImpl uex(__FILE__, __LINE__, 
							"main");
	uex.log();
	return -1;
	}//try-catch
        
    try
	{
	//Must release components and logout from manager	
	ACS_SHORT_LOG((LM_INFO,"Releasing..."));
	client.releaseComponent(argv[1]);
	client.logout();
	}
    catch(maciErrType::CannotReleaseComponentExImpl &_ex)
//.........这里部分代码省略.........