acsexmplClient.cpp

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/*******************************************************************************
*    ALMA - Atacama Large Millimiter Array
*    (c) European Southern Observatory, 2002
*    Copyright by ESO (in the framework of the ALMA collaboration)
*    and Cosylab 2002, All rights reserved
*
*    This library is free software; you can redistribute it and/or
*    modify it under the terms of the GNU Lesser General Public
*    License as published by the Free Software Foundation; either
*    version 2.1 of the License, or (at your option) any later version.
*
*    This library is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*    Lesser General Public License for more details.
*
*    You should have received a copy of the GNU Lesser General Public
*    License along with this library; if not, write to the Free Software
*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*
*
* "@(#) $Id: acsexmplClient.cpp,v 1.98 2007/02/01 05:14:26 cparedes Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* oat 2002-12-17 templatization of the client.get_object method
* david 2002-06-17 changed client.init(argc,argv) for improved error checking
* gchiozzi 2002-02-13 cleane up
* msekoran  2001/07/13  created 
*/



/* @}*/
/* @}*/

#include <maciSimpleClient.h>
#include "acsexmplMountC.h"

#include "acsexmplCallbacks.h"

ACE_RCSID(acsexmpl, acsexmpClient, "$Id: acsexmplClient.cpp,v 1.98 2007/02/01 05:14:26 cparedes Exp $")
using namespace maci;
       
/*******************************************************************************/
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;
        }
    catch( CORBA::SystemException &_ex ) // can be thrown by get_component_info
        {
        ACSErrTypeCommon::CORBAProblemExImpl corbaProblemEx(__FILE__, __LINE__,
                                                            "main");
        corbaProblemEx.setMinor(_ex.minor());
        corbaProblemEx.setCompletionStatus(_ex.completed());
        corbaProblemEx.setInfo(_ex._info().c_str());
        corbaProblemEx.log();
        return -1;
        }
    catch(...)
        {
        ACSErrTypeCommon::UnexpectedExceptionExImpl uex(__FILE__, __LINE__, 
                                                        "main");
        uex.log();
        return -1;
        }//try-catch
  
    //Another try section where we release our component and logout from the Manager
    try
        {
        ACS_SHORT_LOG((LM_INFO,"Releasing..."));
        client.releaseComponent( argv[1]);      
        client.logout();
        }
    catch(maciErrType::CannotReleaseComponentExImpl &_ex)
        {
        _ex.log();
        return -1;
        }
    catch(...)
        {
        ACSErrTypeCommon::UnexpectedExceptionExImpl uex(__FILE__, __LINE__, 
                                                        "main");
        uex.log();
        return -1;
        }//try-catch
    
    
    //sleep for 3 sec to allow everytihng to cleanup and stabilize
    //so that the tests can be determinitstic.
    ACE_OS::sleep(3);   
    return 0;
}
/*___oOo___*/