/[cvs]/joko/TestArea/vb/NtServices/ServiceApp/TestWcronService/FormMain.frm
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Annotation of /joko/TestArea/vb/NtServices/ServiceApp/TestWcronService/FormMain.frm

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Revision 1.1 - (hide annotations)
Mon Jan 20 17:34:52 2003 UTC (21 years, 8 months ago) by joko
Branch: MAIN
CVS Tags: HEAD
+ initial check-in

1 joko 1.1 VERSION 5.00
2     Object = "{E7BC34A0-BA86-11CF-84B1-CBC2DA68BF6C}#1.0#0"; "NTSVC.ocx"
3     Begin VB.Form FormMain
4     Caption = "FormMain"
5     ClientHeight = 3645
6     ClientLeft = 60
7     ClientTop = 345
8     ClientWidth = 7275
9     LinkTopic = "Form1"
10     ScaleHeight = 3645
11     ScaleWidth = 7275
12     StartUpPosition = 1 'CenterOwner
13     Begin VB.CommandButton Command_UninstallService
14     Caption = "Uninstall Service"
15     Height = 345
16     Left = 5550
17     TabIndex = 3
18     Top = 450
19     Width = 1695
20     End
21     Begin VB.CommandButton Command_InstallService
22     Caption = "Install Service"
23     Height = 345
24     Left = 5550
25     TabIndex = 2
26     Top = 90
27     Width = 1695
28     End
29     Begin VB.Timer TimerMain
30     Interval = 250
31     Left = 6810
32     Top = 840
33     End
34     Begin VB.TextBox Text_Now
35     Height = 285
36     Left = 90
37     TabIndex = 1
38     Top = 2580
39     Width = 1485
40     End
41     Begin NTService.NTService NTService1
42     Left = 30
43     Top = 3210
44     _Version = 65536
45     _ExtentX = 741
46     _ExtentY = 741
47     _StockProps = 0
48     ServiceName = "Simple"
49     StartMode = 3
50     End
51     Begin VB.TextBox Text_Status
52     Height = 2445
53     Left = 90
54     MultiLine = -1 'True
55     ScrollBars = 2 'Vertical
56     TabIndex = 0
57     Top = 120
58     Width = 5385
59     End
60     Begin VB.Timer Timer1
61     Left = 360
62     Top = 3210
63     End
64     End
65     Attribute VB_Name = "FormMain"
66     Attribute VB_GlobalNameSpace = False
67     Attribute VB_Creatable = False
68     Attribute VB_PredeclaredId = True
69     Attribute VB_Exposed = False
70     Option Explicit
71    
72    
73     ' =================================================================
74     ' main
75     ' =================================================================
76    
77     ' --------------------------------------------------------------------
78     ' variable-declarations
79    
80     ' cfg's, to ini-file...?
81     Dim glbl_cfg_ServiceName As String
82     Dim glbl_cfg_ServiceDisplayname As String
83     Dim glbl_cfg_ServiceLoopInterval As Long
84     Dim glbl_cfg_DebugEnabled As Boolean
85     Dim glbl_cfg_InteractiveMode As Boolean
86    
87     ' the "ServiceControl"-Object
88     Dim serviceCtrl As ServiceControl
89     Dim applicationMode As svcApplicationMode
90    
91     ' --------------------------------------------------------------------
92     ' event triggered by win32 on application-startup
93     Private Sub Form_Load()
94    
95     ' 1. WCron-GUI-Setup
96     setupForm
97    
98     ' - - - - - - - - - - - - - -
99     ' 1.5. "NT Service"-Initialization
100     initVars
101    
102     ' configure the "ApplicationMode" which is either "appMode_Standalone" or "appMode_NTService"
103     applicationMode = configureApplicationStartup()
104    
105     ' if we are installed as a service, try to start like a service!
106     If applicationMode = appMode_NTService Then
107     serviceCtrl.startService
108     End If
109     ' - - - - - - - - - - - - - -
110    
111     ' 2. continue with WCron-Actions ;)
112     ' ....
113    
114     End Sub
115    
116     ' --------------------------------------------------------------------
117     ' event triggered by win32 on application-shutdown
118     Private Sub Form_Unload(Cancel As Integer)
119     ' if we are installed as a service, try to stop like a service!
120     If applicationMode = appMode_NTService Then
121     serviceCtrl.stopService
122     End If
123     End Sub
124    
125     ' --------------------------------------------------------------------
126     ' initialize "NT Service" - Variables
127     Private Sub initVars()
128     setCurrentStatus "initVars:"
129     glbl_cfg_ServiceName = "WCron"
130     glbl_cfg_ServiceDisplayname = "WCron"
131     glbl_cfg_ServiceLoopInterval = 2000
132     glbl_cfg_DebugEnabled = False
133     glbl_cfg_InteractiveMode = True
134     End Sub
135    
136     ' --------------------------------------------------------------------
137     ' do own (gui-)stuff to setup the form right here
138     Private Sub setupForm()
139    
140     ' dummy function:
141     setCurrentStatus "setupForm:"
142    
143     End Sub
144    
145     Private Sub TimerMain_Timer()
146     Dim curData As String
147     curData = Format(Now(), "hh:mm:ss")
148     Text_Now.Text = curData
149     If serviceCtrl.getDebugMode = True Then
150     'writeToEventLog SvcEventType.svcEventInformation, 0, "running: " & curData
151     End If
152     End Sub
153    
154     Private Sub Command_InstallService_Click()
155     serviceCtrl.installService
156     End Sub
157    
158     Private Sub Command_UninstallService_Click()
159     serviceCtrl.uninstallService
160     End Sub
161    
162    
163    
164    
165     ' =================================================================
166     ' "NT Service" - functionality / EVENTS!
167     ' =================================================================
168    
169     ' --------------------------------------------------------------------
170     ' here is determined and handled if the application should run "standalone" or as an "nt-service"
171     Private Function configureApplicationStartup() As svcApplicationMode
172    
173     setCurrentStatus "configureApplicationStartup:"
174    
175     Set serviceCtrl = New ServiceControl
176     With serviceCtrl
177     .setRefs NTService1, Timer1
178     .setName glbl_cfg_ServiceName
179     .setDisplayname glbl_cfg_ServiceDisplayname
180     .setInterval glbl_cfg_ServiceLoopInterval
181     .setDebugMode glbl_cfg_DebugEnabled
182     If IsIDE Then .setDebugMode True
183     .setInteractiveMode glbl_cfg_InteractiveMode
184     End With
185    
186     ' just try if we can startup as nt-service (requires that the service was previously installed in system) ...
187     If serviceCtrl.isServiceInstalled() And Not serviceCtrl.getDebugMode = True Then
188     ' ... if we can, run us as a "nt-service" ...
189     configureApplicationStartup = appMode_NTService
190     setCurrentStatus "configureApplicationStartup = appMode_NTService"
191     Else
192     ' ... if not, run us as "standalone"
193     configureApplicationStartup = appMode_Standalone
194     setCurrentStatus "configureApplicationStartup = appMode_Standalone"
195     End If
196    
197     End Function
198    
199    
200     ' here are the events triggered if a service recieves ...
201    
202     ' --------------------------------------------------------------------
203     ' ... a control-event (most actually from the NT Service Controller (-API))
204     Private Sub NTService1_Control(ByVal e As Long)
205    
206     MsgBox "control"
207    
208     On Error GoTo Err_Control
209    
210     'StatusBar.SimpleText = NTService1.DisplayName & " Control signal " & e
211     Exit Sub
212    
213     Err_Control:
214     Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description)
215     End Sub
216    
217     ' --------------------------------------------------------------------
218     ' ... a start-event
219     Private Sub NTService1_Start(Success As Boolean)
220     On Error GoTo Err_Start
221    
222     setCurrentStatus "Running"
223     Success = True
224     Call NTService1.LogEvent(SvcEventType.svcEventSuccess, 0, "Service started successfully")
225     'Unload Me
226     'Exit Sub
227    
228     Err_Start:
229     Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description)
230     End Sub
231    
232     ' --------------------------------------------------------------------
233     ' ... a stop-event
234     Private Sub NTService1_Stop()
235    
236     On Error GoTo Err_Stop
237    
238     writeToEventLog SvcEventType.svcEventInformation, 0, "Service recieved stop-request"
239    
240     setCurrentStatus "Stopped"
241     Unload Me
242     End
243     Exit Sub
244    
245     Err_Stop:
246     Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description)
247     End Sub
248    
249     ' --------------------------------------------------------------------
250     ' ... a pause-event
251     Private Sub NTService1_Pause(Success As Boolean)
252     On Error GoTo Err_Pause
253    
254     Timer1.Enabled = False
255     setCurrentStatus "Paused"
256     Call NTService1.LogEvent(SvcEventType.svcEventInformation, svcMessageInfo, "Service paused")
257     Success = True
258     Exit Sub
259    
260     Err_Pause:
261     Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description)
262     End Sub
263    
264     ' --------------------------------------------------------------------
265     ' ... a continue-event
266     Private Sub NTService1_Continue(Success As Boolean)
267     On Error GoTo Err_Continue
268    
269     Timer1.Enabled = True
270     setCurrentStatus "Running"
271     Success = True
272     Call NTService1.LogEvent(SvcEventType.svcEventInformation, svcMessageInfo, "Service continued")
273     Exit Sub
274    
275     Err_Continue:
276     Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description)
277     End Sub
278    
279     ' --------------------------------------------------------------------
280     ' the main timer-event
281     Private Sub Timer1_Timer()
282    
283     On Error GoTo Err_Timer
284    
285     serviceCtrl.doMainLoop
286     Exit Sub
287    
288     Err_Timer:
289     Call NTService1.LogEvent(svcEventError, svcMessageError, "An error occoured in the main loop of the service")
290    
291     End Sub
292    
293    
294     Private Function writeToEventLog(EventType As Integer, ID As Long, Message As String) As Boolean
295    
296     Dim msg As String
297    
298     msg = _
299     vbCrLf & _
300     String(10, "-") & vbCrLf & _
301     Message & vbCrLf
302    
303     If EventType = SvcEventType.svcEventError Then
304     msg = msg & _
305     String(10, "-") & vbCrLf & _
306     "[#" & Err.Number & "] " & Err.Description
307     End If
308    
309     Call NTService1.LogEvent(EventType, ID, msg)
310    
311     End Function

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