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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 and Steve Huston
//
// ============================================================================
#include "ace/OS.h"
#include "ace/Reactor.h"
#include "ntsvc.h"
Service::Service()
{
// 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()
{
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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