acsexmplClientWave.cpp

Go to the documentation of this file.

/*******************************************************************************
*    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: acsexmplClientWave.cpp,v 1.102 2007/02/01 05:14:26 cparedes Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* david 2002-06-17 fixed client.init(argc,argv)
* gchiozzi 2002-02-13 cleane up
* msekoran  2001/07/13  created 
*/



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

#include <maciSimpleClient.h>
#include <acsexmplMountC.h>
#include "acsexmplCallbacks.h"
#include <acsThread.h>
#include <math.h>

ACE_RCSID(acsexmpl, acsexmpClientWave, "$Id: acsexmplClientWave.cpp,v 1.102 2007/02/01 05:14:26 cparedes Exp $")
using namespace ACS;
using namespace maci;

//ATTENTION:
//For the time being use global variable. Not clean.
int LENGTH     = 10;
int INTERVAL   = 1;
int ITERATIONS = 0;


class WorkerThread : public ACS::Thread
{ 
  public:
    WorkerThread(const ACE_CString& name, 
                 MOUNT_ACS::Mount * mount, 
                 const ACS::TimeInterval& responseTime=ThreadBase::defaultResponseTime, 
                 const ACS::TimeInterval& sleepTime=ThreadBase::defaultSleepTime) :
        ACS::Thread(name, responseTime, sleepTime),
         myCallback("objfix")
        {
            ACS_TRACE("WorkerThread::WorkerThread");
            mount_p = mount;
            cbv = myCallback._this();  
        }
    
    ~WorkerThread() { 
        ACS_TRACE("WorkerThread::~WorkerThread"); 
    }
    
    virtual void onStart() 
        { 
            az = 0; el = 0; count = 0; 
         
        }

    virtual void runLoop()
        {
            //while there are still values that need to be set...    
            if (ITERATIONS<=0)
                exit();

            ACS::CBDescIn desc;
            
            try
                {
                
                
                //perform a few miscellaneous operations on the azimuth and 
                //elevation the telescope will move to.
                az = sin(count * 0.157) * 200 - 100;
                el  = sin(count * 0.157) * 90;
                
                //move the telescope asynchronously
                ACS_SHORT_LOG((LM_INFO, "%s: Going to (%f,%f)", getName().c_str(),az,el));              
                mount_p->objfix(az, el, cbv.in(), desc);

                count = count++==10 ? 0 : count;
                //make sure we stop moving the telescope at some point.
                ITERATIONS--;   
                }
            catch(...) 
                {
                ACS_SHORT_LOG((LM_ERROR,"Error!"));
                }

            ACE_OS::fflush(stdout); 

        }


    virtual void onStop()
        {
            ACS_SHORT_LOG((LM_INFO, "%s: OK", getName().c_str()));
        }

  private:
    MOUNT_ACS::Mount * mount_p;
    double az, el;
    int    count;
    MyCBvoid myCallback;
    ACS::CBvoid_var cbv;

}; 

/*******************************************************************************/

int main(int argc, char *argv[])
{
    
    //Checks command-line arguments.
    if (argc < 4)
        {
        ACS_SHORT_LOG((LM_INFO, "Usage: %s <component name> <length of time for process to run> <time interval for monitor> <options>", argv[0]));
        return -1;
        }
    else
        {
        ACS_SHORT_LOG((LM_INFO, "Welcome to %s!", argv[0]));

        // Total amount of time the telescope will be operated on.
        LENGTH   = atoi(argv[2]);
        
        // Requested inteval for moving the telescope.
        INTERVAL = atoi(argv[3]);
        
        // Number of times we change the position of the telescope
        ITERATIONS = static_cast<int>(static_cast<double>(LENGTH) / static_cast<double>(INTERVAL));
        }

    //Creates and initialyses 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();
        }

    ACS_SHORT_LOG((LM_INFO, "Will:"));
    ACS_SHORT_LOG((LM_INFO, "  contact      : %s",  argv[1]));
    ACS_SHORT_LOG((LM_INFO, "  work for     : %ds", LENGTH));
    ACS_SHORT_LOG((LM_INFO, "  with interval: %ds", INTERVAL));
    ACS_SHORT_LOG((LM_INFO, "  # cmds sent  : %d", ITERATIONS));
    
    try
        {
        //Now gets the specific MOUNT we have requested on the command-line
        ACS_SHORT_LOG((LM_INFO, "Getting component: %s", argv[1]));
        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()));
        
        //create and spawn the thread for commands 
        MOUNT_ACS::Mount * mount_p = mount.ptr();

        WorkerThread thread_p("actionThread", // name of the thread
                                       mount_p,  // the mount parameter
                             ThreadBase::defaultResponseTime,
                             INTERVAL);
        // by default threads that are not created using a thread manager are creatd suspended so we have to resume them!!
        thread_p.resume();
        
        //Enter main loop and stays there for a fixed amount of time
        ACS_SHORT_LOG((LM_INFO, "Going in main loop for %ds...", LENGTH));
        ACE_Time_Value tv(LENGTH);
        client.run(tv);
        }
    catch(maciErrType::CannotGetComponentExImpl &_ex)
        {
        _ex.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 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 stabilyse
    //so that the tests can be determinitstic.
    ACE_OS::sleep(3);   
    return 0;
}
/*___oOo___*/