acsexmplClientComponentIOR.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: acsexmplClientComponentIOR.cpp,v 1.8 2007/02/01 05:14:26 cparedes Exp $"
*
* who       when      what
* --------  --------  ----------------------------------------------
* david 2002-06-17 fixed client.init(argc, argv)
* msekoran  17/02/01  created 
*/

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

#include <maciSimpleClient.h>

ACE_RCSID(acsexmpl, acsexmplMaciIOR, "$Id: acsexmplClientComponentIOR.cpp,v 1.8 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 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();
        }
    
    try
        {
        //Gets from manager the reference to the requested component.
        //Pay special attention that this reference is just a generic
        //CORBA object at this point.
        ACS_SHORT_LOG((LM_INFO, "Looking for Object '%s' ", argv[1]));
        CORBA::Object_var obj =  client.getComponent(argv[1], 0 , true);
        
        //Get the stringified IOR of the component.  The IOR of CORBA objects
        //can be considered to be a unique "phone number" used to access CORBA
        //servants.
        ACS_SHORT_LOG((LM_INFO, "Getting stringified IOR"));
        CORBA::String_var mior = client.getORB()->object_to_string(obj.in());    
        
        //Print the IOR to standard out
        u_int result;         
        ACS_SHORT_LOG ((LM_INFO, "IOR for %s is: %s", argv[1], mior.in()));
        result = ACE_OS::printf ("%s", mior.in());
        }
    catch(maciErrType::CannotGetComponentExImpl &_ex)
        {
        _ex.log();
        return -1;
        }
    catch(...)
        {
        ACSErrTypeCommon::UnexpectedExceptionExImpl uex(__FILE__, __LINE__, 
                                                        "main");
        
        uex.log();
        return -1;
        }

    //Normally you would not want to have separate try sections for releasing
    //the components and logging out from manager.  This is a very special case 
    //since we do not know ahead of time what will be released.  In other words,
    //argv[1] could technically be "manager" which would end up raising a 
    //no-permission exception.  To get around this just use separate try/catch 
    //sections and ignore no-permission exceptions.
    try
        {
        //All clients must cleanly release objects they activate!
        client.releaseComponent(argv[1]);
        }
    catch(maciErrType::CannotReleaseComponentExImpl &_ex)
        {
        _ex.log();
        return -1;
        }
    catch(...)
        {
        ACSErrTypeCommon::UnexpectedExceptionExImpl uex(__FILE__, __LINE__, 
                                                        "main");
        uex.log();
        return -1;
        }
    
    try
        {
        if (client.logout() == 0)
            {
            ACS_SHORT_LOG ((LM_INFO, "Cannot logout"));
            return -1;
            }
        }
    catch(...)
        {
        ACS_SHORT_LOG((LM_ERROR, "Exception caught"));
        return -1;
        }    
    
    ACS_SHORT_LOG((LM_INFO,"The end!"));
    return 0;
}