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// $Id$
//----------------------------------------------------------------------------------
/**
* @file MonitorController.cpp
*
* @brief The Monitor Controller implementation.
*
* This is the facade class for Monitor
*
* @author Nilabja Roy <nilabjar@dre.vanderbilt.edu>
*/
//----------------------------------------------------------------------------------
#include "MonitorController.h"
#include "BaseMonitor.h"
#include "MonitorCB.h"
#include "CIAO_common.h"
#include "ace/Log_Msg.h"
#include "ace/DLL.h"
#include "ace/SString.h"
namespace CIAO
{
typedef MonitorBase* (*MonitorFactory) (void);
/// for the CIAO monitor
const char* monitor_lib_name = "ciaomonlib";
// The interval after which update will be sent.
// This value will sent by the EM in the later implementation
const int interval = 10;
static const char* factory_func = "createMonitor";
}
CIAO::MonitorController::MonitorController (CORBA::ORB_ptr orb,
::Deployment::Domain& domain,
::Deployment::TargetManager_ptr target
)
: target_facet_i_ (::Deployment::TargetManager::_duplicate (target)),
terminate_flag_ (0),
orb_ (orb),
initial_domain_ (domain)
{
}
int CIAO::MonitorController::svc (void)
{
ACE_DLL dll;
// forming the library name
ACE_CString lib_name = ACE_DLL_PREFIX;
lib_name += monitor_lib_name;
int retval
= dll.open (lib_name.c_str ());
if (retval != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p",
"dll.open"),
-1);
MonitorFactory factory =
(MonitorFactory) dll.symbol (factory_func);
if (factory == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"%p",
"dll.symbol"),
-1);
{
ACE_TRACE ((LM_DEBUG "Inside the init call\n"));
monitor_.reset ((MonitorBase*) factory ());
monitor_->initialize_params (initial_domain_,
target_facet_i_.in (),
interval);
// Start the Monitor
monitor_->start (orb_);
auto_ptr <CIAO::MonitorCB> monitor_callback (new CIAO::MonitorCB (orb_,
target_facet_i_.in (),
interval));
// The loop in which UpdateData is called
while (!terminating ())
{
// data will be updated in intervals of 10 secs.
// in the latest version of spec , this value will
// come from Execution Manager
ACE_OS::sleep (interval);
// ACE_DEBUG ((LM_DEBUG , "=The Terminate is %d\n", terminate_flag_));
::Deployment::Domain* domain =
monitor_->get_current_data ();
monitor_callback->update_data (*domain);
}
monitor_->stop ();
}
dll.close ();
if (CIAO::debug_level () > 9)
{
ACE_DEBUG ((LM_DEBUG , "Terminating Monitor\n"));
}
return 0;
}
CIAO::MonitorController::~MonitorController ()
{
terminate ();
wait ();
}
void CIAO::MonitorController::terminate ()
{
// make the terminate flag false
ACE_GUARD (ACE_SYNCH_MUTEX,
guard,
lock_
);
ACE_DEBUG ((LM_DEBUG , "WITHIN TERMINATE CALL ......"));
terminate_flag_=1;
}
bool CIAO::MonitorController::terminating ()
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX,
guard,
lock_,
0
);
return terminate_flag_;
}
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