1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
//=============================================================================
/**
* @file ntsvc.cpp
*
* $Id$
*
* 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/Reactor.h"
#include "ntsvc.h"
#if defined (ACE_WIN32) && !defined (ACE_LACKS_WIN32_SERVICES)
Service::Service (void)
{
// Remember the Reactor instance.
reactor (ACE_Reactor::instance ());
}
Service::~Service (void)
{
if (ACE_Reactor::instance ()->cancel_timer(this) == -1)
ACE_ERROR ((LM_ERROR,
"Service::~Service failed to cancel_timer.\n"));
}
// 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,
ACE_TEXT ("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 *)
{
ACE_UNUSED_ARG (tv);
MessageBeep (MB_OK);
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%T (%t): Beep...\n")));
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,
ACE_TEXT ("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 ());
this->stop_ = 0;
// Schedule a timer every two seconds.
ACE_Time_Value tv (2, 0);
ACE_Reactor::instance ()->schedule_timer (this, 0, tv, tv);
while (!this->stop_)
reactor ()->handle_events ();
// Cleanly terminate connections, terminate threads.
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Shutting down\n")));
reactor ()->cancel_timer (this);
return 0;
}
#endif /* ACE_WIN32 && !ACE_LACKS_WIN32_SERVICES */
|
