1 |
VERSION 1.0 CLASS |
2 |
BEGIN |
3 |
MultiUse = -1 'True |
4 |
Persistable = 0 'NotPersistable |
5 |
DataBindingBehavior = 0 'vbNone |
6 |
DataSourceBehavior = 0 'vbNone |
7 |
MTSTransactionMode = 0 'NotAnMTSObject |
8 |
END |
9 |
Attribute VB_Name = "ServiceControl" |
10 |
Attribute VB_GlobalNameSpace = False |
11 |
Attribute VB_Creatable = True |
12 |
Attribute VB_PredeclaredId = False |
13 |
Attribute VB_Exposed = False |
14 |
|
15 |
' ----------------------------------------------------------------------------------- |
16 |
' ntsvcSample |
17 |
' sample program including a comfortable wrapper-api for "Microsoft NT Service Control" - Component |
18 |
' |
19 |
' usage: |
20 |
' - under "Projects/Components" add "Microsoft NT Service Control" |
21 |
' - add a "Microsoft NT Service Control" to your main-form |
22 |
' - add a "Timer Control" to your main-form |
23 |
' ----------------------------------------------------------------------------------- |
24 |
|
25 |
Option Explicit |
26 |
|
27 |
' a reference to a "Microsoft NT Service Control" - Object |
28 |
Dim ref_NTServiceControl As NTService.NTService |
29 |
|
30 |
' a reference to a "Timer Control" - Object |
31 |
Private ref_NTServiceControlTimer As Timer |
32 |
|
33 |
' name of the service |
34 |
Private serviceName As String |
35 |
|
36 |
' displayname of the service |
37 |
Private serviceDisplayname As String |
38 |
|
39 |
' the interval of the "Timer Control" - Object used by the NT Service Controller |
40 |
Private serviceLoopInterval As Long |
41 |
|
42 |
' the interval of the "Timer Control" - Object used by the NT Service Controller |
43 |
Private serviceDebugEnabled As Boolean |
44 |
|
45 |
' the interval of the "Timer Control" - Object used by the NT Service Controller |
46 |
Private serviceInteractiveMode As Boolean |
47 |
|
48 |
Private bool_NTServiceControl_isInitialized As Boolean |
49 |
|
50 |
' ----------------------------------------------------------------------------------- |
51 |
' methods for setting/getting private properties |
52 |
|
53 |
' - - - - - - - - - - - - - - - - - - - - - - - |
54 |
' sets references to UserControl-Objects (NTService, Timer) in main-form |
55 |
Friend Sub setRefs(ByRef rNTService As NTService.NTService, ByRef rTimer As Timer) |
56 |
Set ref_NTServiceControl = rNTService |
57 |
Set ref_NTServiceControlTimer = rTimer |
58 |
End Sub |
59 |
|
60 |
' - - - - - - - - - - - - - - - - - - - - - - - |
61 |
Friend Sub setName(ByVal name As String) |
62 |
serviceName = name |
63 |
End Sub |
64 |
|
65 |
' - - - - - - - - - - - - - - - - - - - - - - - |
66 |
Friend Sub setDisplayname(ByVal displayname As String) |
67 |
serviceDisplayname = displayname |
68 |
End Sub |
69 |
|
70 |
' - - - - - - - - - - - - - - - - - - - - - - - |
71 |
' sets interval for NT Service Controller - Loop |
72 |
Friend Sub setInterval(ByVal interval As Long) |
73 |
serviceLoopInterval = interval |
74 |
End Sub |
75 |
|
76 |
' - - - - - - - - - - - - - - - - - - - - - - - |
77 |
' sets interval for NT Service Controller - Loop |
78 |
Friend Sub setDebugMode(ByVal debugMode As Boolean) |
79 |
serviceDebugEnabled = debugMode |
80 |
End Sub |
81 |
|
82 |
' - - - - - - - - - - - - - - - - - - - - - - - |
83 |
' sets interval for NT Service Controller - Loop |
84 |
Friend Function getDebugMode() As Boolean |
85 |
getDebugMode = serviceDebugEnabled |
86 |
End Function |
87 |
|
88 |
' - - - - - - - - - - - - - - - - - - - - - - - |
89 |
' sets interval for NT Service Controller - Loop |
90 |
Friend Sub setInteractiveMode(ByVal interactiveMode As Boolean) |
91 |
serviceInteractiveMode = interactiveMode |
92 |
End Sub |
93 |
|
94 |
Friend Sub NTServiceControl_Initialize() |
95 |
With ref_NTServiceControl |
96 |
.serviceName = serviceName |
97 |
.displayname = serviceDisplayname |
98 |
.Debug = serviceDebugEnabled |
99 |
.Interactive = serviceInteractiveMode |
100 |
End With |
101 |
bool_NTServiceControl_isInitialized = True |
102 |
End Sub |
103 |
|
104 |
|
105 |
' ----------------------------------------------------------------------------------- |
106 |
' methods for controlling services |
107 |
|
108 |
' - - - - - - - - - - - - - - - - - - - - - - - |
109 |
Friend Function isServiceInstalled(Optional ByVal arg_serviceName As String = "") |
110 |
|
111 |
' initialize "NT Service Control" in main-form, if not yet done |
112 |
If Not bool_NTServiceControl_isInitialized Then NTServiceControl_Initialize |
113 |
|
114 |
Dim testForServiceName As String |
115 |
testForServiceName = serviceName |
116 |
If Len(arg_serviceName) Then testForServiceName = arg_serviceName |
117 |
|
118 |
setCurrentStatus "isServiceInstalled(" & testForServiceName & "):" |
119 |
|
120 |
Dim parmInterval As String |
121 |
On Error Resume Next |
122 |
parmInterval = ref_NTServiceControl.GetSetting("Parameters", "TimerInterval", 0) |
123 |
If Err.Number = 0 Then |
124 |
isServiceInstalled = True |
125 |
Else |
126 |
isServiceInstalled = False |
127 |
End If |
128 |
On Error GoTo 0 |
129 |
|
130 |
setCurrentStatus " isServiceInstalled(" & testForServiceName & ") = " & isServiceInstalled |
131 |
|
132 |
End Function |
133 |
|
134 |
' - - - - - - - - - - - - - - - - - - - - - - - |
135 |
Friend Sub enableDebugMode() |
136 |
ref_NTServiceControl.Debug = True |
137 |
End Sub |
138 |
|
139 |
' - - - - - - - - - - - - - - - - - - - - - - - |
140 |
Friend Sub startService() |
141 |
|
142 |
' initialize "NT Service Control" in main-form, if not yet done |
143 |
If Not bool_NTServiceControl_isInitialized Then NTServiceControl_Initialize |
144 |
|
145 |
' some debug-breakpoint we don't know anything about (from example-code) |
146 |
'Call DebugBreak |
147 |
|
148 |
On Error GoTo Err_Load |
149 |
|
150 |
' initialize timer |
151 |
setCurrentStatus "startService: loading configuration from Service" |
152 |
Dim parmInterval As String |
153 |
setCurrentStatus "startService: .GetSetting" |
154 |
parmInterval = ref_NTServiceControl.GetSetting("Parameters", "TimerInterval", serviceLoopInterval) |
155 |
setCurrentStatus "startService: .interval=" & CInt(parmInterval) |
156 |
ref_NTServiceControlTimer.interval = CInt(parmInterval) |
157 |
|
158 |
' enable Pause/Continue. Must be set before StartService is called or in design mode |
159 |
setCurrentStatus "Enabling control mode" |
160 |
ref_NTServiceControl.ControlsAccepted = svcCtrlPauseContinue |
161 |
|
162 |
' connect service to Windows NT services controller |
163 |
setCurrentStatus "Starting" |
164 |
ref_NTServiceControl.startService |
165 |
|
166 |
Call ref_NTServiceControl.LogEvent(svcEventError, svcMessageError, "started service") |
167 |
Exit Sub |
168 |
|
169 |
Err_Load: |
170 |
If ref_NTServiceControl.Interactive Then |
171 |
MsgBox "[" & Err.Number & "] " & Err.Description |
172 |
End |
173 |
Else |
174 |
Call ref_NTServiceControl.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
175 |
End If |
176 |
|
177 |
End Sub |
178 |
|
179 |
' - - - - - - - - - - - - - - - - - - - - - - - |
180 |
Friend Function stopService() |
181 |
ref_NTServiceControl.stopService |
182 |
End Function |
183 |
|
184 |
' - - - - - - - - - - - - - - - - - - - - - - - |
185 |
Friend Function doMainLoop() |
186 |
DoEvents |
187 |
End Function |
188 |
|
189 |
|
190 |
' - - - - - - - - - - - - - - - - - - - - - - - |
191 |
Friend Sub installService() |
192 |
|
193 |
' initialize "NT Service Control" in main-form, if not yet done |
194 |
If Not bool_NTServiceControl_isInitialized Then NTServiceControl_Initialize |
195 |
|
196 |
Dim logMsg As String |
197 |
Dim evType As Variant |
198 |
|
199 |
'ref_NTServiceControl.Debug = True |
200 |
|
201 |
' enable interaction with desktop |
202 |
'ref_NTServiceControl.Interactive = True |
203 |
'ref_NTServiceControl.Interactive = False |
204 |
'ref_NTServiceControl.Debug = False |
205 |
|
206 |
ref_NTServiceControl.StartMode = svcStartManual |
207 |
|
208 |
' install service |
209 |
If ref_NTServiceControl.Install Then |
210 |
Call ref_NTServiceControl.SaveSetting("Parameters", "TimerInterval", serviceLoopInterval) |
211 |
logMsg = "Service """ & ref_NTServiceControl.displayname & """ installed successfully." |
212 |
evType = SvcEventType.svcEventSuccess |
213 |
Else |
214 |
logMsg = "Installation of service """ & ref_NTServiceControl.displayname & """ failed." |
215 |
evType = SvcEventType.svcEventError |
216 |
End If |
217 |
|
218 |
' log/display success |
219 |
'Call ref_NTServiceControl.LogEvent(evType, 0, logMsg) |
220 |
If ref_NTServiceControl.Interactive Then |
221 |
MsgBox logMsg |
222 |
End If |
223 |
|
224 |
'End |
225 |
End Sub |
226 |
|
227 |
|
228 |
' - - - - - - - - - - - - - - - - - - - - - - - |
229 |
Friend Sub uninstallService() |
230 |
|
231 |
Dim logMsg As String |
232 |
Dim evType As Variant |
233 |
|
234 |
If ref_NTServiceControl.Uninstall Then |
235 |
logMsg = "Service """ & ref_NTServiceControl.displayname & """ successfully removed." |
236 |
evType = SvcEventType.svcEventSuccess |
237 |
Else |
238 |
logMsg = "Removal of service """ & ref_NTServiceControl.displayname & """ failed." |
239 |
evType = SvcEventType.svcEventError |
240 |
End If |
241 |
|
242 |
' log/display success |
243 |
'Call ref_NTServiceControl.LogEvent(evType, 0, logMsg) |
244 |
If ref_NTServiceControl.Interactive Then |
245 |
MsgBox logMsg |
246 |
End If |
247 |
|
248 |
'End |
249 |
|
250 |
End Sub |
251 |
|