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Comparing projects/cms/source/host/winhost/nettest.frm (file contents):
Revision 1.11 by pjm2, Fri Feb 23 11:56:43 2001 UTC vs.
Revision 1.39 by pjm2, Thu Mar 22 09:27:04 2001 UTC

# Line 2 | Line 2 | VERSION 5.00
2   Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
3   Object = "{33155A3D-0CE0-11D1-A6B4-444553540000}#1.0#0"; "SysTray.ocx"
4   Begin VB.Form Form1
5 <   BorderStyle     =   4  'Fixed ToolWindow
5 >   BorderStyle     =   3  'Fixed Dialog
6     Caption         =   "i-scream Winhost"
7 <   ClientHeight    =   5655
7 >   ClientHeight    =   1380
8     ClientLeft      =   45
9 <   ClientTop       =   285
10 <   ClientWidth     =   5670
9 >   ClientTop       =   330
10 >   ClientWidth     =   4635
11 >   Icon            =   "nettest.frx":0000
12     LinkTopic       =   "Form1"
13     MaxButton       =   0   'False
14 <   ScaleHeight     =   5655
15 <   ScaleWidth      =   5670
14 >   MinButton       =   0   'False
15 >   ScaleHeight     =   1380
16 >   ScaleWidth      =   4635
17     ShowInTaskbar   =   0   'False
18 <   StartUpPosition =   3  'Windows Default
19 <   Begin VB.CommandButton Hide
20 <      Caption         =   "Hide"
21 <      Height          =   495
22 <      Left            =   1800
18 >   StartUpPosition =   2  'CenterScreen
19 >   Visible         =   0   'False
20 >   Begin VB.CommandButton Command1
21 >      Caption         =   "more"
22 >      Height          =   255
23 >      Left            =   3885
24 >      TabIndex        =   8
25 >      Top             =   1035
26 >      Width           =   615
27 >   End
28 >   Begin VB.TextBox Text1
29 >      Height          =   2055
30 >      Left            =   120
31 >      Locked          =   -1  'True
32 >      MultiLine       =   -1  'True
33 >      ScrollBars      =   2  'Vertical
34        TabIndex        =   7
35 <      Top             =   2160
36 <      Width           =   1215
35 >      Top             =   1440
36 >      Width           =   4395
37     End
38 +   Begin VB.CommandButton Hide
39 +      Caption         =   "hide"
40 +      Height          =   255
41 +      Left            =   3225
42 +      TabIndex        =   6
43 +      Top             =   1035
44 +      Width           =   615
45 +   End
46     Begin SysTray.SystemTray SystemTray
47 <      Left            =   3600
48 <      Top             =   1200
47 >      Left            =   2520
48 >      Top             =   4200
49        _ExtentX        =   847
50        _ExtentY        =   847
51        SysTrayText     =   "i-scream Winhost"
52        IconFile        =   0
53     End
54     Begin VB.Timer Timer1
55 <      Left            =   4200
56 <      Top             =   1200
55 >      Left            =   3120
56 >      Top             =   4200
57     End
37   Begin VB.TextBox Text4
38      Height          =   1575
39      Left            =   240
40      MultiLine       =   -1  'True
41      ScrollBars      =   2  'Vertical
42      TabIndex        =   1
43      Text            =   "nettest.frx":0000
44      Top             =   3000
45      Width           =   5055
46   End
58     Begin VB.CommandButton Reconfigure
59        Caption         =   "Reconfigure with FilterManager"
60 <      Height          =   495
61 <      Left            =   120
60 >      Height          =   375
61 >      Left            =   840
62        TabIndex        =   0
63 <      Top             =   120
63 >      Top             =   3555
64        Width           =   2895
65     End
66     Begin MSWinsockLib.Winsock TCPSock
67 <      Left            =   5160
68 <      Top             =   1200
67 >      Left            =   4080
68 >      Top             =   4200
69        _ExtentX        =   741
70        _ExtentY        =   741
71        _Version        =   393216
72     End
73     Begin MSWinsockLib.Winsock UDPSock
74 <      Left            =   4680
75 <      Top             =   1200
74 >      Left            =   3600
75 >      Top             =   4200
76        _ExtentX        =   741
77        _ExtentY        =   741
78        _Version        =   393216
79        Protocol        =   1
80     End
81 +   Begin VB.Image Image1
82 +      Height          =   900
83 +      Left            =   2400
84 +      Picture         =   "nettest.frx":08CA
85 +      Top             =   90
86 +      Width           =   2100
87 +   End
88     Begin VB.Label Label2
89        Alignment       =   1  'Right Justify
90        Caption         =   "Next heartbeat:"
91        Height          =   255
92 <      Left            =   3360
93 <      TabIndex        =   6
94 <      Top             =   480
92 >      Left            =   120
93 >      TabIndex        =   5
94 >      Top             =   645
95        Width           =   1455
96     End
97     Begin VB.Label Label1
98        Alignment       =   1  'Right Justify
99        Caption         =   "Next UDP packet:"
100        Height          =   255
101 <      Left            =   3360
102 <      TabIndex        =   5
103 <      Top             =   120
101 >      Left            =   120
102 >      TabIndex        =   4
103 >      Top             =   165
104        Width           =   1455
105     End
106     Begin VB.Label Label4
107        BorderStyle     =   1  'Fixed Single
108        Caption         =   "0"
109        Height          =   255
110 <      Left            =   4920
111 <      TabIndex        =   4
112 <      Top             =   480
110 >      Left            =   1680
111 >      TabIndex        =   3
112 >      Top             =   645
113        Width           =   615
114     End
115     Begin VB.Label Label3
116        BorderStyle     =   1  'Fixed Single
117        Caption         =   "0"
118        Height          =   255
119 <      Left            =   4920
120 <      TabIndex        =   3
121 <      Top             =   120
119 >      Left            =   1680
120 >      TabIndex        =   2
121 >      Top             =   165
122        Width           =   615
123     End
124     Begin VB.Label Status
125 +      Alignment       =   2  'Center
126        Caption         =   "Status:"
127        Height          =   255
128 <      Left            =   120
129 <      TabIndex        =   2
130 <      Top             =   840
131 <      Width           =   5415
128 >      Left            =   0
129 >      TabIndex        =   1
130 >      Top             =   1035
131 >      Width           =   3180
132     End
133   End
134   Attribute VB_Name = "Form1"
# Line 117 | Line 136 | Attribute VB_GlobalNameSpace = False
136   Attribute VB_Creatable = False
137   Attribute VB_PredeclaredId = True
138   Attribute VB_Exposed = False
139 + ' For the system tray methods
140   Private Declare Function GetPrivateProfileString Lib "kernel32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long
141   Private Declare Function GetPrivateProfileInt Lib "kernel32" Alias "GetPrivateProfileIntA" (ByVal lpApplicationName As String, ByVal lpKeyName As String, ByVal nDefault As Long, ByVal lpFileName As String) As Long
142  
143 + ' Address of the filter manager
144   Dim filterManagerHostname As String
145 < Dim filterManagerTCPPort As Integer
145 > Dim filterManagerTCPPort As Long
146  
147 + ' Sequence number and machine name are sent in each UDP packet.
148 + Dim seqNo As Long
149 + Dim machineName As String
150 +
151 + ' DEPRICATED.  The number of seconds that the program has been running.
152 + Dim secondsRunning As Long
153 +
154 + ' Address of the filter to use.
155   Dim filterHostname As String
156   Dim filterTCPPort As Integer
157   Dim filterUDPPort As Integer
158 +
159 + ' Server configuration details.
160   Dim fileList As String
161   Dim lastModified As String
162  
163 + ' Time intervals between UDP packets and heartbeats.
164   Dim UDPUpdateTime As Integer
165   Dim TCPUpdateTime As Integer
166  
167 + ' The protocol version used by the winhost.
168   Dim protocolVersion As String
169 +
170 + ' Action flags.
171   Dim connected As Boolean
172 < Dim responseNumber As Integer
172 > Dim heartBeating As Boolean
173 > Dim windowBig As Boolean
174  
175 + ' Define classes to be used to obtain uptime and number of users.
176 + Dim CUpTime As New CUpTime
177 + Dim wksta As New CNetWksta
178  
179 < Private Sub Command1_Click()
179 > ' Keep track of the line number in TCP communications.
180 > Dim responseNumber As Integer
181  
142    ' build the contents of the XML packet.
143    xml = "<packet></packet>"
182  
183 <    ' Use the first winsock control to send a UDP packet.
184 <    UDPSock.RemoteHost = filterHostname
185 <    UDPSock.RemotePort = filterUDPPort
186 <    UDPSock.SendData xml
187 <    Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
188 <
183 > ' Toggle visibility of the debug output.
184 > Private Sub Command1_Click()
185 >    If windowBig Then
186 >        Form1.Height = 1755
187 >        windowBig = False
188 >    Else
189 >        Form1.Height = 4380
190 >        windowBig = True
191 >    End If
192   End Sub
193  
194  
195 < Private Sub Command3_Click()
155 <    ' establish a TCP connection to a filter
156 <    TCPSock.Close
157 <    TCPSock.Connect filterHostname, filterTCPPort
158 < End Sub
159 <
195 > ' Main method (or its Visual Basic equivalent!).
196   Private Sub Form_Load()
197 +    
198 +    ' Do not let any user run the program twice on one machine.
199 +    If App.PrevInstance Then
200 +        x = MsgBox("There is already an i-scream Winhost running on this machine.", 48, "i-scream host already running")
201 +        End
202 +    End If
203 +    
204      protocolVersion = "1.1"
205 <      
205 >    
206      Status.Caption = "Loading"
207      Form1.Caption = "i-scream Winhost " & protocolVersion
208      
209 <    ''''TEMP
167 <    filterManagerHostname = "killigrew.ukc.ac.uk"
168 <    filterManagerTCPPort = 4567
169 <    Reconfigure_Click
170 <    Exit Sub
171 <    ''' ENDTEMP
209 >    CUpTime.Init
210      
211 +    ' Some class functions only work on NT-based systems, and Win9x boxes
212 +    ' are rarely used as servers, anyway.
213 +    If CUpTime.isWin9x Then
214 +        x = MsgBox("Sorry, the i-scream host can only be used to monitor servers (i.e. not Win9x)", 48, "Not a server")
215 +        End
216 +    End If
217 +    
218 +    ' Start the program with the small window size.
219 +    windowBig = False
220 +    
221 +    ' Catch errors while reading the configuration from the ini file.
222      On Error GoTo iniError
223 +    
224      Dim buf As String * 256
225      Dim length As Long
226 <    length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
226 >    length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "", buf, Len(buf), App.Path & "/winhost.ini")
227      filterManagerHostname = Left$(buf, length)
228 <    length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
229 <    filterManagerTCPPort = Left$(buf, length)
228 >    length = GetPrivateProfileInt("i-scream Winhost", "FilterManagerPort", 0, App.Path & "/winhost.ini")
229 >    filterManagerTCPPort = length
230      
231 <    Status.Caption = "Connecting to Filter Manager"
231 >    If filterManagerHostname = "" Then
232 >        GoTo iniError
233 >    End If
234      
235 +    ' Resume normal error handling.
236 +    On Error GoTo 0
237 +
238 +    ' We have the configuration.  Now connect.
239 +    Status.Caption = "Connecting to Filter Manager " & filterManagerHostname & ":" & filterManagerTCPPort
240 +    Reconfigure_Click
241 +    
242 +    ' Install the icon in the system tray.
243 +    SystemTray.Icon = Val(Form1.Icon)
244 +    SystemTray.Action = 0
245 +    
246 +    
247      Exit Sub
248      
249 + ' Error handler
250   iniError:
251 <    x = MsgBox("The i-scream Winhost could not read the correct settings from the winhost.ini file.  Please correct these and try again.", 48, "Configuration not found")
251 >    x = MsgBox("The i-scream Winhost could not read the correct settings from the winhost.ini file.  Please correct these and try again.  " & Err.Description, 48, "Configuration not found")
252      End
253      
254   End Sub
255  
256 +
257 + ' Unload event.  Also fires when the machine is shutting down.
258   Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
259 +    
260 +    ' Prevent users from unwittingly shutting down thet winhost.
261      x = MsgBox("Are you sure you want to shut down the Winhost?  This will stop your computer sending information to the i-scream Central Monitoring System.", vbYesNo, "i-scream Winhost")
262      If x = 7 Then
263          Cancel = True
264 +    Else
265 +        ' Remove the icon from the system tray.
266 +        SystemTray.Action = 2
267      End If
268  
269   End Sub
270  
271 +
272 + ' Make the form disappear and update the icon in the system tray.
273   Private Sub Hide_Click()
274      Form1.Visible = False
275      SystemTray.Icon = Val(Form1.Icon)
202    SystemTray.Action = 0
276   End Sub
277  
278 +
279 + ' Reconfigure the host with the filter manager.
280   Private Sub Reconfigure_Click()
281 <    ' establish a TCP connection to a filtermanager
282 <    connected = False
283 <    TCPSock.Close
284 <    TCPSock.Connect filterManagerHostname, filterManagerTCPPort
281 >    ' establish a TCP connection to a filtermanager, provided another TCP
282 >    ' communication is not already taking place.
283 >    If Not heartBeating Then
284 >        connected = False
285 >        TCPSock.Close
286 >        TCPSock.Connect filterManagerHostname, filterManagerTCPPort
287 >    Else
288 >        Status.Caption = "Cannot reconfigure while heartbeating"
289 >    End If
290   End Sub
291  
292  
293 <
293 > ' Do this when the user double-clicks on the system tray icon.
294   Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
295 <
295 >    ' After double-clicking on the system tray icon, we make the
296 >    ' form visible and give it active focus.
297      Form1.Visible = True
298      Form1.SetFocus
299  
300   End Sub
301  
302 +
303 + ' Establish a connection with the filter manager.
304 + ' Thereafter, use the filter instead.
305   Private Sub TCPSock_Connect()
306      
307 +    ' Start from the first line of the response.
308      responseNumber = 0
309 <  
309 >    
310      ' Send something as soon as we connect to the server.
311      If connected = False Then
312          ' contact the FilterManager
# Line 233 | Line 318 | Private Sub TCPSock_Connect()
318    
319   End Sub
320  
321 +
322 + ' Deal with TCP traffic coming from the filter or filter manager.
323   Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
324      
325 +    ' Move to the next line of the response.
326      responseNumber = responseNumber + 1
327      
328      ' Get the line from the server.
# Line 243 | Line 331 | Private Sub TCPSock_DataArrival(ByVal bytesTotal As Lo
331      ' Remove linefeeds and returns from the line.
332      response = Replace(response, Chr(13), "")
333      response = Replace(response, Chr(10), "")
246    Text4.Text = Text4.Text & vbCrLf & response
334      
335      If connected = False Then
336          ' Perform TCP configuration (1.1)
# Line 252 | Line 339 | Private Sub TCPSock_DataArrival(ByVal bytesTotal As Lo
339              Case 1:
340                  If Not response = "OK" Then GoTo configError
341                  TCPSock.SendData "LASTMODIFIED" & vbCrLf
342 +                Text1.Text = "Requesting configuration from FilterManager:- " & vbCrLf
343 +                Text1.Text = Text1.Text & response & vbCrLf
344              Case 2:
345                  If response = "ERROR" Then GoTo configError
346                  lastModified = response
347 +                Text1.Text = Text1.Text & response & vbCrLf
348                  TCPSock.SendData "FILELIST" & vbCrLf
349              Case 3:
350                  If response = "ERROR" Then GoTo configError
351                  fileList = response
352 <                TCPSock.SendData "UDPUpdateTime" & vbCrLf
352 >                Text1.Text = Text1.Text & response & vbCrLf
353 >                TCPSock.SendData "FQDN" & vbCrLf
354              Case 4:
355                  If response = "ERROR" Then GoTo configError
356 +                Text1.Text = Text1.Text & response & vbCrLf
357 +                machineName = response
358 +                TCPSock.SendData "UDPUpdateTime" & vbCrLf
359 +            Case 5:
360 +                If response = "ERROR" Then GoTo configError
361                  UDPUpdateTime = response
362 +                Text1.Text = Text1.Text & response & vbCrLf
363                  TCPSock.SendData "TCPUpdateTime" & vbCrLf
364 <            Case 5:
364 >            Case 6:
365                  If response = "ERROR" Then GoTo configError
366                  TCPUpdateTime = response
367 +                Text1.Text = Text1.Text & response & vbCrLf
368                  TCPSock.SendData "ENDCONFIG" & vbCrLf
369 <            Case 6:
369 >            Case 7:
370                  If Not response = "OK" Then GoTo configError
371 +                Text1.Text = Text1.Text & response & vbCrLf
372                  TCPSock.SendData "FILTER" & vbCrLf
373 <            Case 7:
374 <                'we got a filter list here.
373 >            Case 8:
374 >                Text1.Text = Text1.Text & response & vbCrLf
375 >                ' We got a filter list here.
376                  readTo = 0
377 <                ' get hostname
377 >                ' Get hostname
378                  readTo = InStr(1, response, ";", vbBinaryCompare)
379                  filterHostname = Mid(response, 1, readTo - 1)
380                  response = Mid(response, readTo + 1, Len(response))
381 <                ' get UDP Port number
381 >                ' Get UDP Port number
382                  readTo = InStr(1, response, ";")
383                  filterUDPPort = Mid(response, 1, readTo - 1)
384                  response = Mid(response, readTo + 1, Len(response))
385 <                ' get TCP Port number
385 >                ' Get TCP Port number
386                  filterTCPPort = response
387                  TCPSock.SendData "END" & vbCrLf
388 <            Case 8:
388 >            Case 9:
389                  If Not response = "OK" Then GoTo configError
390                  connected = True
391                  responseNumber = 0
392 +                ' We've finished with the socket now.
393                  TCPSock.Close
394 <                Text4.Text = Text4.Text & vbCrLf & "  <closed>"
394 >                Text1.Text = Text1.Text & response & vbCrLf
395                  Status.Caption = "Configuration successful"
396                  Label3.Caption = UDPUpdateTime
397                  Label4.Caption = TCPUpdateTime
# Line 298 | Line 399 | Private Sub TCPSock_DataArrival(ByVal bytesTotal As Lo
399          End Select
400      Else
401          ' Perform a heartbeat (1.1)
402 +        heartBeating = True
403          On Error GoTo heartbeatError
404          Select Case responseNumber
405              Case 1:
406                  If Not response = "OK" Then GoTo heartbeatError
407 +                Text1.Text = "Performing heartbeat: -" & vbCrLf
408 +                Text1.Text = Text1.Text & response & vbCrLf
409                  TCPSock.SendData "CONFIG" & vbCrLf
410              Case 2:
411                  If Not response = "OK" Then GoTo heartbeatError
412 +                Text1.Text = Text1.Text & response & vbCrLf
413                  TCPSock.SendData fileList & vbCrLf
414              Case 3:
415                  If Not response = "OK" Then GoTo heartbeatError
416 +                Text1.Text = Text1.Text & response & vbCrLf
417                  TCPSock.SendData lastModified & vbCrLf
418              Case 4:
419 <                If Not response = "OK" Then GoTo heartbeatError
419 >                ' Reconfigure if the server configuration for the
420 >                ' host has been altered.
421 >                If Not response = "OK" Then
422 >                    heartBeating = False
423 >                    Reconfigure_Click
424 >                End If
425 >                Text1.Text = Text1.Text & response & vbCrLf
426                  TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
427              Case 5:
428                  If Not response = "OK" Then GoTo heartbeatError
429 +                Text1.Text = Text1.Text & response & vbCrLf
430                  TCPSock.Close
431                  Status.Caption = "Heartbeat sent successfully."
432 +                heartBeating = False
433          End Select
434      
435      End If
# Line 324 | Line 438 | Private Sub TCPSock_DataArrival(ByVal bytesTotal As Lo
438      Exit Sub
439      
440   configError:
441 <    Status.Caption = "FAILED to get configuration"
441 >    heartBeating = False
442 >    Status.Caption = "FAILED to get configuration from the server"
443      Exit Sub
444   heartbeatError:
445 +    heartBeating = False
446      Status.Caption = "Heatbeat FAILED"
447      Exit Sub
448   End Sub
449  
450 +
451 + ' Deal with the construction and sending of UDP packets.
452   Private Sub Timer1_Timer()
453  
454      Label3.Caption = Label3.Caption - 1
# Line 339 | Line 457 | Private Sub Timer1_Timer()
457      Status.Caption = ""
458      
459      If Label3.Caption < 1 Then
460 <        ' build the contents of the XML packet.
461 <        xml = "<packet></packet>"
460 >        
461 >        ' prepare the contents of the XML packet.
462 >        seqNo = seqNo + 1
463 >        
464 >        ' Windows machines can provide their NetBIOS name to assist
465 >        ' in identifying the machine.
466 >        netbiosName = TCPSock.LocalHostName
467 >        
468 >        ' The I.P. address of the host machine.
469 >        LocalIP = TCPSock.LocalIP
470 >        
471 >        ' The date according to the host machine (formatted as the
472 >        ' number of seconds since the epoch).
473 >        packetDate = Date2Num()
474 >        
475 >        ' Attempt to return Windows version information with the API.
476 >        Dim verinfo As OSVERSIONINFO
477 >        verinfo.dwOSVersionInfoSize = Len(verinfo)
478 >        ret% = GetVersionEx(verinfo)
479 >        If ret% = 0 Then
480 >            Text1.Text = Text1.Text & vbCrLf & "Error getting Windows version Information"
481 >            End
482 >        End If
483 >          
484 >        ' Now get all of the version information.
485 >        osName = GetVersion()
486 >        osVersionMajor = verinfo.dwMajorVersion
487 >        osVersionMinor = verinfo.dwMinorVersion
488 >        osBuild = verinfo.dwBuildNumber
489 >        
490 >        ' Find out what type of processor the host is using.
491 >        Dim sysinfo As SYSTEM_INFO
492 >        GetSystemInfo sysinfo
493 >        Select Case sysinfo.dwProcessorType
494 >            Case PROCESSOR_INTEL_386
495 >                processorType = "Intel 386"
496 >            Case PROCESSOR_INTEL_486
497 >                processorType = "Intel 486"
498 >            Case PROCESSOR_INTEL_PENTIUM
499 >                processorType = "Intel Pentium variant"
500 >            Case PROCESSOR_MIPS_R4000
501 >                processorType = "MIPS R4000"
502 >            Case PROCESSOR_ALPHA_21064
503 >                processorType = "DEC Alpha 21064"
504 >            Case Else
505 >                processorType = "(unknown)"
506 >        End Select
507 >        
508 >        ' Find the amount of swap memory and physical memory
509 >        ' (both free and total)
510 >        Dim memsts As MEMORYSTATUS
511 >        Dim memory&
512 >        GlobalMemoryStatus memsts
513 >        memory& = memsts.dwTotalPhys
514 >        memTotal = memory& \ 1048576
515 >        memory& = memsts.dwAvailPhys
516 >        memFree = memory& \ 1048576
517 >        memory& = memsts.dwTotalVirtual
518 >        swapTotal = memory& \ 1048576
519 >        memory& = memsts.dwAvailVirtual
520 >        swapFree = memory& \ 1048576
521 >        
522 >        ' Cause the CUpTime class to capture its data.
523 >        CUpTime.Capture
524 >        
525 >        ' Get the processor occupancy percentages.
526 >        cpu_time = CUpTime.CPUTime
527 >        percent_idle = CUpTime.PercentIdle
528 >        
529 >        ' Get the uptime for the host.  DO NOT use integer division here,
530 >        ' as this will cause the result to overflow if the machine has
531 >        ' been up for more than ~47 days.
532 >        uptime = CUpTime.MilliSecs / 1000#
533 >        
534 >        ' Use the CNetWksta class to find out how many users are logged
535 >        ' on to the system.
536 >        userCount = wksta.LoggedOnUsers
537 >        
538 >        ' build the contents of the XML packet
539 >        xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & LocalIP & """>" & _
540 >              "<os>" & _
541 >                "<netbios_name>" & netbiosName & "</netbios_name>" & _
542 >                "<name>" & osName & "</name>" & _
543 >                "<version>" & osVersionMajor & "." & osVersionMinor & "</version>" & _
544 >                "<release>" & osBuild & "</release>" & _
545 >                "<platform>" & processorType & "</platform>" & _
546 >                "<uptime>" & uptime & "</uptime>" & _
547 >              "</os>" & _
548 >              "<users><count>" & userCount & "</count></users>" & _
549 >              "<cpu><idle>" & percent_idle & "</idle><user>" & cpu_time & "</user></cpu>" & _
550 >              "<memory><total>" & memTotal & "</total><free>" & memFree & "</free></memory>" & _
551 >              "<swap><total>" & swapTotal & "</total><free>" & swapFree & "</free></swap>" & _
552 >              "</packet>"
553 >        
554 >        ' Show the interested user what we are sending.
555 >        Text1.Text = "Last packet contained: -" & vbCrLf & xml
556  
557          ' Use the first winsock control to send a UDP packet.
558          UDPSock.RemoteHost = filterHostname
# Line 358 | Line 570 | Private Sub Timer1_Timer()
570      End If
571  
572   End Sub
573 +
574 +
575 + ' Format the current date and time as a long integer representing
576 + ' the number of seconds since the epoch.
577 + Function Date2Num() As Long
578 +    Dim x As Long
579 +    x = DateDiff("s", "1-1-1970", Now)
580 +    Date2Num = x
581 + End Function

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