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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/* Copyright (C) 2005 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <windows.h>
#include <assert.h>
#include ".\windowsservice.h"
static WindowsService *gService;
WindowsService::WindowsService(void) :
statusCheckpoint(0),
serviceName(NULL),
inited(FALSE),
dwAcceptedControls(SERVICE_ACCEPT_STOP),
debugging(FALSE)
{
gService= this;
status.dwServiceType= SERVICE_WIN32_OWN_PROCESS;
status.dwServiceSpecificExitCode= 0;
}
WindowsService::~WindowsService(void)
{
}
BOOL WindowsService::Install()
{
bool ret_val= FALSE;
SC_HANDLE newService;
SC_HANDLE scm;
if (IsInstalled())
return TRUE;
// determine the name of the currently executing file
char szFilePath[_MAX_PATH];
GetModuleFileName(NULL, szFilePath, sizeof(szFilePath));
// open a connection to the SCM
if (!(scm= OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE)))
return FALSE;
newService= CreateService(scm, serviceName, displayName,
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
szFilePath, NULL, NULL, NULL, username,
password);
if (newService)
{
CloseServiceHandle(newService);
ret_val= TRUE;
}
CloseServiceHandle(scm);
return ret_val;
}
BOOL WindowsService::Init()
{
assert(serviceName != NULL);
if (inited)
return TRUE;
SERVICE_TABLE_ENTRY stb[] =
{
{ (LPSTR)serviceName, (LPSERVICE_MAIN_FUNCTION) ServiceMain},
{ NULL, NULL }
};
inited= TRUE;
return StartServiceCtrlDispatcher(stb); //register with the Service Manager
}
BOOL WindowsService::Remove()
{
bool ret_val= FALSE;
if (!IsInstalled())
return TRUE;
// open a connection to the SCM
SC_HANDLE scm= OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE);
if (!scm)
return FALSE;
SC_HANDLE service= OpenService(scm, serviceName, DELETE);
if (service)
{
if (DeleteService(service))
ret_val= TRUE;
DWORD dw= ::GetLastError();
CloseServiceHandle(service);
}
CloseServiceHandle(scm);
return ret_val;
}
BOOL WindowsService::IsInstalled()
{
BOOL ret_val= FALSE;
SC_HANDLE scm= ::OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
SC_HANDLE serv_handle= ::OpenService(scm, serviceName, SERVICE_QUERY_STATUS);
ret_val= serv_handle != NULL;
::CloseServiceHandle(serv_handle);
::CloseServiceHandle(scm);
return ret_val;
}
void WindowsService::SetAcceptedControls(DWORD acceptedControls)
{
dwAcceptedControls= acceptedControls;
}
BOOL WindowsService::ReportStatus(DWORD currentState, DWORD waitHint,
DWORD dwError)
{
if (debugging)
return TRUE;
if(currentState == SERVICE_START_PENDING)
status.dwControlsAccepted= 0;
else
status.dwControlsAccepted= dwAcceptedControls;
status.dwCurrentState= currentState;
status.dwWin32ExitCode= dwError != 0 ?
ERROR_SERVICE_SPECIFIC_ERROR : NO_ERROR;
status.dwWaitHint= waitHint;
status.dwServiceSpecificExitCode= dwError;
if(currentState == SERVICE_RUNNING || currentState == SERVICE_STOPPED)
{
status.dwCheckPoint= 0;
statusCheckpoint= 0;
}
else
status.dwCheckPoint= ++statusCheckpoint;
// Report the status of the service to the service control manager.
BOOL result= SetServiceStatus(statusHandle, &status);
if (!result)
Log("ReportStatus failed");
return result;
}
void WindowsService::RegisterAndRun(DWORD argc, LPTSTR *argv)
{
statusHandle= ::RegisterServiceCtrlHandler(serviceName, ControlHandler);
if (statusHandle && ReportStatus(SERVICE_START_PENDING))
Run(argc, argv);
ReportStatus(SERVICE_STOPPED);
}
void WindowsService::HandleControlCode(DWORD opcode)
{
// Handle the requested control code.
switch(opcode) {
case SERVICE_CONTROL_STOP:
// Stop the service.
status.dwCurrentState= SERVICE_STOP_PENDING;
Stop();
break;
case SERVICE_CONTROL_PAUSE:
status.dwCurrentState= SERVICE_PAUSE_PENDING;
Pause();
break;
case SERVICE_CONTROL_CONTINUE:
status.dwCurrentState= SERVICE_CONTINUE_PENDING;
Continue();
break;
case SERVICE_CONTROL_SHUTDOWN:
Shutdown();
break;
case SERVICE_CONTROL_INTERROGATE:
ReportStatus(status.dwCurrentState);
break;
default:
// invalid control code
break;
}
}
void WINAPI WindowsService::ServiceMain(DWORD argc, LPTSTR *argv)
{
assert(gService != NULL);
// register our service control handler:
gService->RegisterAndRun(argc, argv);
}
void WINAPI WindowsService::ControlHandler(DWORD opcode)
{
assert(gService != NULL);
return gService->HandleControlCode(opcode);
}
|
