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// $Id$
// ============================================================================
//
// = LIBRARY
// examples/NT_Service
//
// = FILENAME
// ntsvc.cpp
//
// = DESCRIPTION
// This is the implementation of the NT service. It beeps every 2
// seconds until the service is stopped.
//
// = AUTHOR
// Gonzalo Diethelm <gonzo@cs.wustl.edu>
// and Steve Huston <shuston@riverace.com>
//
// ============================================================================
#include "ace/OS.h"
#include "ace/Reactor.h"
#include "ntsvc.h"
Service::Service (void)
{
// Remember the Reactor instance.
reactor (ACE_Reactor::instance ());
// Schedule a timer every two seconds.
ACE_Time_Value tv (2, 0);
ACE_Reactor::instance ()->schedule_timer (this, 0, tv, tv);
}
// This method is called when the service gets a control request. It
// handles requests for stop and shutdown by calling terminate ().
// All others get handled by calling up to inherited::handle_control.
void
Service::handle_control (DWORD control_code)
{
if (control_code == SERVICE_CONTROL_SHUTDOWN
|| control_code == SERVICE_CONTROL_STOP)
{
report_status (SERVICE_STOP_PENDING);
ACE_DEBUG ((LM_INFO,
"Service control stop requested\n"));
stop_ = 1;
reactor ()->notify (this,
ACE_Event_Handler::EXCEPT_MASK);
}
else
inherited::handle_control (control_code);
}
// This is just here to be the target of the notify from above... it
// doesn't do anything except aid on popping the reactor off its wait
// and causing a drop out of handle_events.
int
Service::handle_exception (ACE_HANDLE)
{
return 0;
}
// Beep every two seconds. This is what this NT service does...
int
Service::handle_timeout (const ACE_Time_Value &tv,
const void *)
{
MessageBeep (MB_OK);
return 0;
}
// This is the main processing function for the Service. It sets up
// the initial configuration and runs the event loop until a shutdown
// request is received.
int
Service::svc (void)
{
ACE_DEBUG ((LM_DEBUG,
"Service::svc\n"));
// As an NT service, we come in here in a different thread than the
// one which created the reactor. So in order to do anything, we
// need to own the reactor. If we are not a service, report_status
// will return -1.
if (report_status (SERVICE_RUNNING) == 0)
reactor ()->owner (ACE_Thread::self ());
stop_ = 0;
while (!stop_)
reactor ()->handle_events ();
// Cleanly terminate connections, terminate threads.
ACE_DEBUG ((LM_DEBUG,
"Shutting down\n"));
return 0;
}
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