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VERSION 5.00 |
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Object = "{E7BC34A0-BA86-11CF-84B1-CBC2DA68BF6C}#1.0#0"; "NTSVC.ocx" |
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Begin VB.Form FormMain |
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Caption = "FormMain" |
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ClientHeight = 3645 |
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ClientLeft = 60 |
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ClientTop = 345 |
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ClientWidth = 7275 |
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LinkTopic = "Form1" |
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ScaleHeight = 3645 |
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ScaleWidth = 7275 |
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StartUpPosition = 1 'CenterOwner |
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Begin VB.CommandButton Command_UninstallService |
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Caption = "Uninstall Service" |
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Height = 345 |
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Left = 5550 |
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TabIndex = 3 |
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Top = 450 |
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Width = 1695 |
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End |
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Begin VB.CommandButton Command_InstallService |
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Caption = "Install Service" |
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Height = 345 |
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Left = 5550 |
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TabIndex = 2 |
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Top = 90 |
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Width = 1695 |
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End |
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Begin VB.Timer TimerMain |
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Interval = 250 |
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Left = 6810 |
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Top = 840 |
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End |
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Begin VB.TextBox Text_Now |
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Height = 285 |
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Left = 90 |
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TabIndex = 1 |
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Top = 2580 |
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Width = 1485 |
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End |
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Begin NTService.NTService NTService1 |
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Left = 30 |
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Top = 3210 |
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_Version = 65536 |
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_ExtentX = 741 |
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_ExtentY = 741 |
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_StockProps = 0 |
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ServiceName = "Simple" |
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StartMode = 3 |
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End |
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Begin VB.TextBox Text_Status |
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Height = 2445 |
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Left = 90 |
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MultiLine = -1 'True |
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ScrollBars = 2 'Vertical |
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TabIndex = 0 |
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Top = 120 |
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Width = 5385 |
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End |
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Begin VB.Timer Timer1 |
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Left = 360 |
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Top = 3210 |
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End |
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End |
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Attribute VB_Name = "FormMain" |
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Attribute VB_GlobalNameSpace = False |
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Attribute VB_Creatable = False |
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Attribute VB_PredeclaredId = True |
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Attribute VB_Exposed = False |
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Option Explicit |
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|
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|
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' ================================================================= |
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' main |
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' ================================================================= |
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|
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' -------------------------------------------------------------------- |
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' variable-declarations |
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|
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' cfg's, to ini-file...? |
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Dim glbl_cfg_ServiceName As String |
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Dim glbl_cfg_ServiceDisplayname As String |
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Dim glbl_cfg_ServiceLoopInterval As Long |
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Dim glbl_cfg_DebugEnabled As Boolean |
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Dim glbl_cfg_InteractiveMode As Boolean |
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|
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' the "ServiceControl"-Object |
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Dim serviceCtrl As ServiceControl |
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Dim applicationMode As svcApplicationMode |
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|
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' -------------------------------------------------------------------- |
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' event triggered by win32 on application-startup |
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Private Sub Form_Load() |
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|
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' 1. WCron-GUI-Setup |
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setupForm |
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|
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' - - - - - - - - - - - - - - |
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' 1.5. "NT Service"-Initialization |
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initVars |
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|
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' configure the "ApplicationMode" which is either "appMode_Standalone" or "appMode_NTService" |
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applicationMode = configureApplicationStartup() |
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|
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' if we are installed as a service, try to start like a service! |
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If applicationMode = appMode_NTService Then |
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serviceCtrl.startService |
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End If |
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' - - - - - - - - - - - - - - |
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|
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' 2. continue with WCron-Actions ;) |
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' .... |
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|
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' event triggered by win32 on application-shutdown |
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Private Sub Form_Unload(Cancel As Integer) |
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' if we are installed as a service, try to stop like a service! |
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If applicationMode = appMode_NTService Then |
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serviceCtrl.stopService |
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End If |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' initialize "NT Service" - Variables |
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Private Sub initVars() |
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setCurrentStatus "initVars:" |
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glbl_cfg_ServiceName = "WCron" |
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glbl_cfg_ServiceDisplayname = "WCron" |
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glbl_cfg_ServiceLoopInterval = 2000 |
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glbl_cfg_DebugEnabled = False |
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glbl_cfg_InteractiveMode = True |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' do own (gui-)stuff to setup the form right here |
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Private Sub setupForm() |
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|
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' dummy function: |
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setCurrentStatus "setupForm:" |
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|
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End Sub |
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|
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Private Sub TimerMain_Timer() |
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Dim curData As String |
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curData = Format(Now(), "hh:mm:ss") |
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Text_Now.Text = curData |
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If serviceCtrl.getDebugMode = True Then |
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'writeToEventLog SvcEventType.svcEventInformation, 0, "running: " & curData |
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End If |
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End Sub |
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|
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Private Sub Command_InstallService_Click() |
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serviceCtrl.installService |
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End Sub |
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|
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Private Sub Command_UninstallService_Click() |
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serviceCtrl.uninstallService |
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End Sub |
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|
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|
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|
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|
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' ================================================================= |
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' "NT Service" - functionality / EVENTS! |
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' ================================================================= |
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|
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' -------------------------------------------------------------------- |
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' here is determined and handled if the application should run "standalone" or as an "nt-service" |
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Private Function configureApplicationStartup() As svcApplicationMode |
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|
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setCurrentStatus "configureApplicationStartup:" |
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|
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Set serviceCtrl = New ServiceControl |
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With serviceCtrl |
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.setRefs NTService1, Timer1 |
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.setName glbl_cfg_ServiceName |
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.setDisplayname glbl_cfg_ServiceDisplayname |
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.setInterval glbl_cfg_ServiceLoopInterval |
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.setDebugMode glbl_cfg_DebugEnabled |
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If IsIDE Then .setDebugMode True |
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.setInteractiveMode glbl_cfg_InteractiveMode |
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End With |
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|
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' just try if we can startup as nt-service (requires that the service was previously installed in system) ... |
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If serviceCtrl.isServiceInstalled() And Not serviceCtrl.getDebugMode = True Then |
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' ... if we can, run us as a "nt-service" ... |
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configureApplicationStartup = appMode_NTService |
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setCurrentStatus "configureApplicationStartup = appMode_NTService" |
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Else |
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' ... if not, run us as "standalone" |
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configureApplicationStartup = appMode_Standalone |
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setCurrentStatus "configureApplicationStartup = appMode_Standalone" |
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End If |
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|
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End Function |
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|
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|
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' here are the events triggered if a service recieves ... |
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|
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' -------------------------------------------------------------------- |
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' ... a control-event (most actually from the NT Service Controller (-API)) |
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Private Sub NTService1_Control(ByVal e As Long) |
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|
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MsgBox "control" |
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|
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On Error GoTo Err_Control |
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|
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'StatusBar.SimpleText = NTService1.DisplayName & " Control signal " & e |
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Exit Sub |
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|
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Err_Control: |
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Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' ... a start-event |
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Private Sub NTService1_Start(Success As Boolean) |
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On Error GoTo Err_Start |
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|
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setCurrentStatus "Running" |
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Success = True |
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Call NTService1.LogEvent(SvcEventType.svcEventSuccess, 0, "Service started successfully") |
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'Unload Me |
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'Exit Sub |
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|
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Err_Start: |
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Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' ... a stop-event |
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Private Sub NTService1_Stop() |
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|
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On Error GoTo Err_Stop |
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|
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writeToEventLog SvcEventType.svcEventInformation, 0, "Service recieved stop-request" |
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|
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setCurrentStatus "Stopped" |
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Unload Me |
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End |
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Exit Sub |
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|
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Err_Stop: |
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Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' ... a pause-event |
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Private Sub NTService1_Pause(Success As Boolean) |
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On Error GoTo Err_Pause |
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|
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Timer1.Enabled = False |
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setCurrentStatus "Paused" |
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Call NTService1.LogEvent(SvcEventType.svcEventInformation, svcMessageInfo, "Service paused") |
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Success = True |
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Exit Sub |
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|
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Err_Pause: |
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Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' ... a continue-event |
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Private Sub NTService1_Continue(Success As Boolean) |
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On Error GoTo Err_Continue |
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|
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Timer1.Enabled = True |
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setCurrentStatus "Running" |
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Success = True |
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Call NTService1.LogEvent(SvcEventType.svcEventInformation, svcMessageInfo, "Service continued") |
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Exit Sub |
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|
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Err_Continue: |
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Call NTService1.LogEvent(svcMessageError, svcEventError, "[" & Err.Number & "] " & Err.Description) |
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End Sub |
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|
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' -------------------------------------------------------------------- |
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' the main timer-event |
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Private Sub Timer1_Timer() |
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|
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On Error GoTo Err_Timer |
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|
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serviceCtrl.doMainLoop |
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Exit Sub |
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|
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Err_Timer: |
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Call NTService1.LogEvent(svcEventError, svcMessageError, "An error occoured in the main loop of the service") |
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|
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End Sub |
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|
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|
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Private Function writeToEventLog(EventType As Integer, ID As Long, Message As String) As Boolean |
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|
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Dim msg As String |
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|
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msg = _ |
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vbCrLf & _ |
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String(10, "-") & vbCrLf & _ |
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Message & vbCrLf |
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|
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If EventType = SvcEventType.svcEventError Then |
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msg = msg & _ |
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String(10, "-") & vbCrLf & _ |
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"[#" & Err.Number & "] " & Err.Description |
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End If |
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|
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Call NTService1.LogEvent(EventType, ID, msg) |
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|
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End Function |