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root/i-scream/projects/cms/source/host/winhost/nettest.frm
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Comparing projects/cms/source/host/winhost/nettest.frm (file contents):
Revision 1.1 by pjm2, Thu Feb 22 17:04:22 2001 UTC vs.
Revision 1.37 by pjm2, Mon Mar 19 10:32:43 2001 UTC

# Line 1 | Line 1
1   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     =   3  'Fixed Dialog
6 <   Caption         =   "TCP/UDP Test program"
7 <   ClientHeight    =   5655
6 >   Caption         =   "i-scream Winhost"
7 >   ClientHeight    =   1380
8     ClientLeft      =   45
9     ClientTop       =   330
10 <   ClientWidth     =   5670
10 >   ClientWidth     =   4635
11 >   Icon            =   "nettest.frx":0000
12     LinkTopic       =   "Form1"
13     MaxButton       =   0   'False
14     MinButton       =   0   'False
15 <   ScaleHeight     =   5655
16 <   ScaleWidth      =   5670
15 >   ScaleHeight     =   1380
16 >   ScaleWidth      =   4635
17     ShowInTaskbar   =   0   'False
18 <   StartUpPosition =   3  'Windows Default
19 <   Begin VB.CommandButton Command3
20 <      Caption         =   "TCP to Filter"
21 <      Height          =   375
22 <      Left            =   3720
23 <      TabIndex        =   9
24 <      Top             =   2520
25 <      Width           =   1575
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 Text4
29 <      Height          =   2535
30 <      Left            =   240
28 >   Begin VB.TextBox Text1
29 >      Height          =   2055
30 >      Left            =   120
31 >      Locked          =   -1  'True
32        MultiLine       =   -1  'True
33        ScrollBars      =   2  'Vertical
30      TabIndex        =   8
31      Text            =   "nettest.frx":0000
32      Top             =   3000
33      Width           =   5055
34   End
35   Begin VB.CommandButton Command2
36      Caption         =   "TCP to FilterManager"
37      Height          =   375
38      Left            =   3360
34        TabIndex        =   7
35 <      Top             =   2040
36 <      Width           =   1935
35 >      Top             =   1440
36 >      Width           =   4395
37     End
38 <   Begin MSWinsockLib.Winsock Winsock2
39 <      Left            =   4920
40 <      Top             =   120
41 <      _ExtentX        =   741
42 <      _ExtentY        =   741
43 <      _Version        =   393216
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 VB.TextBox Text3
47 <      Height          =   285
48 <      Left            =   1680
49 <      TabIndex        =   5
50 <      Text            =   "killigrew.ukc.ac.uk"
51 <      Top             =   1560
52 <      Width           =   2535
46 >   Begin SysTray.SystemTray SystemTray
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.TextBox Text2
55 <      Height          =   285
56 <      Left            =   1680
61 <      TabIndex        =   3
62 <      Text            =   "4567"
63 <      Top             =   1920
64 <      Width           =   855
54 >   Begin VB.Timer Timer1
55 >      Left            =   3120
56 >      Top             =   4200
57     End
58 <   Begin VB.CommandButton Command1
59 <      Caption         =   "Send UDP"
58 >   Begin VB.CommandButton Reconfigure
59 >      Caption         =   "Reconfigure with FilterManager"
60        Height          =   375
61 <      Left            =   4320
70 <      TabIndex        =   2
71 <      Top             =   1560
72 <      Width           =   975
73 <   End
74 <   Begin VB.TextBox Text1
75 <      Height          =   855
76 <      Left            =   360
61 >      Left            =   840
62        TabIndex        =   0
63 <      Text            =   "<packet></packet>"
64 <      Top             =   600
80 <      Width           =   4935
63 >      Top             =   3555
64 >      Width           =   2895
65     End
66 <   Begin MSWinsockLib.Winsock Winsock1
67 <      Left            =   4320
68 <      Top             =   120
66 >   Begin MSWinsockLib.Winsock TCPSock
67 >      Left            =   4080
68 >      Top             =   4200
69        _ExtentX        =   741
70        _ExtentY        =   741
71        _Version        =   393216
72 +   End
73 +   Begin MSWinsockLib.Winsock UDPSock
74 +      Left            =   3600
75 +      Top             =   4200
76 +      _ExtentX        =   741
77 +      _ExtentY        =   741
78 +      _Version        =   393216
79        Protocol        =   1
80     End
81 <   Begin VB.Label Label3
81 >   Begin VB.Image Image1
82 >      Height          =   900
83 >      Left            =   2400
84 >      Picture         =   "nettest.frx":0742
85 >      Top             =   90
86 >      Width           =   2100
87 >   End
88 >   Begin VB.Label Label2
89        Alignment       =   1  'Right Justify
90 <      Caption         =   "Destination:"
90 >      Caption         =   "Next heartbeat:"
91        Height          =   255
92 <      Left            =   360
93 <      TabIndex        =   6
94 <      Top             =   1560
95 <      Width           =   1215
92 >      Left            =   120
93 >      TabIndex        =   5
94 >      Top             =   645
95 >      Width           =   1455
96     End
97 <   Begin VB.Label Label2
97 >   Begin VB.Label Label1
98        Alignment       =   1  'Right Justify
99 <      Caption         =   "Port:"
99 >      Caption         =   "Next UDP packet:"
100        Height          =   255
101 <      Left            =   360
101 >      Left            =   120
102        TabIndex        =   4
103 <      Top             =   1920
104 <      Width           =   1215
103 >      Top             =   165
104 >      Width           =   1455
105     End
106 <   Begin VB.Label Label1
107 <      Caption         =   "Packet contents"
106 >   Begin VB.Label Label4
107 >      BorderStyle     =   1  'Fixed Single
108 >      Caption         =   "0"
109        Height          =   255
110 <      Left            =   360
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            =   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            =   0
129        TabIndex        =   1
130 <      Top             =   360
131 <      Width           =   2895
130 >      Top             =   1035
131 >      Width           =   3180
132     End
133   End
134   Attribute VB_Name = "Form1"
# Line 119 | Line 136 | Attribute VB_GlobalNameSpace = False
136   Attribute VB_Creatable = False
137   Attribute VB_PredeclaredId = True
138   Attribute VB_Exposed = False
139 < Dim responseNumber As Integer
139 > ' For the system tray bits
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 + Dim filterManagerHostname As String
144 + Dim filterManagerTCPPort As Long
145  
146 + Dim seqNo As Long
147 + Dim machineName As String
148 +
149 + Dim secondsRunning As Long
150 +
151 + Dim filterHostname As String
152 + Dim filterTCPPort As Integer
153 + Dim filterUDPPort As Integer
154 + Dim fileList As String
155 + Dim lastModified As String
156 +
157 + Dim fourtySevenDays As Integer
158 +
159 + Dim UDPUpdateTime As Integer
160 + Dim TCPUpdateTime As Integer
161 +
162 + Dim protocolVersion As String
163 + Dim connected As Boolean
164 + Dim heartBeating As Boolean
165 +
166 + Dim CUpTime As New CUpTime
167 + Dim wksta As New CNetWksta
168 +
169 + Dim windowBig As Boolean
170 +
171 + Dim responseNumber As Integer
172 +
173   Private Sub Command1_Click()
174  
175 <    ' Use the first winsock control to send
128 <    ' a UDP packet.
129 <    Winsock1.RemoteHost = Text3.Text
130 <    Winsock1.RemotePort = Text2.Text
131 <    Winsock1.SendData Text1.Text
175 >    ' Toggle visibility of the debug output.
176  
177 +    If windowBig Then
178 +        Form1.Height = 1755
179 +        windowBig = False
180 +    Else
181 +        Form1.Height = 4380
182 +        windowBig = True
183 +    End If
184 +
185   End Sub
186  
187 < Private Sub Command2_Click()
187 > Private Sub Form_Load()
188      
189 <    ' establish a TCP connection to a machine
190 <    Winsock2.Close
191 <    Winsock2.Connect Text3.Text, Text2.Text
189 >    If App.PrevInstance Then
190 >        x = MsgBox("There is already an i-scream Winhost running on this machine.", 48, "i-scream host already running")
191 >        End
192 >    End If
193 >    
194 >    ' Assume the host is run within the first 47 days of the machine starting.
195 >    fourtySevenDays = 0
196 >    
197 >    protocolVersion = "1.1"
198 >    
199 >    Status.Caption = "Loading"
200 >    Form1.Caption = "i-scream Winhost " & protocolVersion
201 >    
202 >    CUpTime.Init
203 >    
204 >    If CUpTime.isWin9x Then
205 >        x = MsgBox("Sorry, the i-scream host can only be used to monitor servers (i.e. not Win9x)", 48, "Not a server")
206 >        End
207 >    End If
208 >    
209 >    windowBig = False
210 >    
211 >    ''''TEMP
212 >    'filterManagerHostname = "killigrew.ukc.ac.uk"
213 >    'filterManagerTCPPort = 4567
214 >    ''''' END TEMP
215 >    
216 >    'GoTo skip
217 >    On Error GoTo iniError
218 >    Dim buf As String * 256
219 >    Dim length As Long
220 >    length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "/winhost.ini")
221 >    filterManagerHostname = Left$(buf, length)
222 >    length = GetPrivateProfileInt("i-scream Winhost", "FilterManagerPort", 0, App.Path & "/winhost.ini")
223 >    filterManagerTCPPort = length
224 >    If filterManagerHostname = "" Then
225 >        GoTo iniError
226 >    End If
227 >    On Error GoTo 0
228 > skip:
229  
230 +    Status.Caption = "Connecting to Filter Manager " & filterManagerHostname & ":" & filterManagerTCPPort
231 +    Reconfigure_Click
232 +    
233 +    SystemTray.Icon = Val(Form1.Icon)
234 +    SystemTray.Action = 0
235 +    
236 +    
237 +    Exit Sub
238 +    
239 + iniError:
240 +    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")
241 +    End
242 +    
243   End Sub
244  
245 < Private Sub Command3_Click()
246 <    x = MsgBox("not implemented..")
245 > Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
246 >    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")
247 >    If x = 7 Then
248 >        Cancel = True
249 >    Else
250 >        SystemTray.Action = 2
251 >    End If
252 >
253   End Sub
254  
255 < Private Sub Winsock2_Connect()
256 <      
257 <   responseNumber = 0
255 > Private Sub Hide_Click()
256 >    Form1.Visible = False
257 >    SystemTray.Icon = Val(Form1.Icon)
258 > End Sub
259 >
260 >
261 > Private Sub Reconfigure_Click()
262 >    ' establish a TCP connection to a filtermanager
263 >    If Not heartBeating Then
264 >        connected = False
265 >        TCPSock.Close
266 >        TCPSock.Connect filterManagerHostname, filterManagerTCPPort
267 >    Else
268 >        Status.Caption = "Cannot reconfigure while heartbeating"
269 >    End If
270 > End Sub
271 >
272 >
273 >
274 > Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
275 >
276 >    Form1.Visible = True
277 >    Form1.SetFocus
278 >
279 > End Sub
280 >
281 > Private Sub TCPSock_Connect()
282 >    
283 >    responseNumber = 0
284    
285 <   ' As soon as we are connected to the server, send this.
286 <   Winsock2.SendData "STARTCONFIG" & vbCrLf
285 >    ' Send something as soon as we connect to the server.
286 >    If connected = False Then
287 >        ' contact the FilterManager
288 >        TCPSock.SendData "STARTCONFIG" & vbCrLf
289 >    Else
290 >       ' Contact the Filter
291 >       TCPSock.SendData "HEARTBEAT" & vbCrLf
292 >    End If
293    
294   End Sub
295  
296 < Private Sub Winsock2_DataArrival(ByVal bytesTotal As Long)
296 > Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
297      
298      responseNumber = responseNumber + 1
299      
300      ' Get the line from the server.
301 <    Winsock2.GetData response, vbString, bytesTotal
301 >    TCPSock.GetData response, vbString, bytesTotal
302      
303      ' Remove linefeeds and returns from the line.
304      response = Replace(response, Chr(13), "")
305      response = Replace(response, Chr(10), "")
166    Text4.Text = Text4.Text & vbCrLf & response
306      
307 <    ' Decide what to send back to the server.
308 <    Select Case responseNumber
309 <        Case 1:
310 <            Winsock2.SendData "LASTMODIFIED" & vbCrLf
311 <        Case 2:
312 <            Winsock2.SendData "FILELIST" & vbCrLf
313 <        Case 3:
314 <            Winsock2.SendData "UDPUpdateTime" & vbCrLf
315 <        Case 4:
316 <            Winsock2.SendData "TCPUpdateTime" & vbCrLf
317 <        Case 5:
318 <            Winsock2.SendData "ENDCONFIG" & vbCrLf
319 <        Case 6:
320 <            Winsock2.SendData "FILTER" & vbCrLf
321 <        Case 7:
322 <            Winsock2.SendData "END" & vbCrLf
323 <        Case 8:
324 <            Winsock2.Close
325 <            Text4.Text = Text4.Text & vbCrLf & "  <closed>"
326 <    End Select
307 >    If connected = False Then
308 >        ' Perform TCP configuration (1.1)
309 >        On Error GoTo configError
310 >        Select Case responseNumber
311 >            Case 1:
312 >                If Not response = "OK" Then GoTo configError
313 >                TCPSock.SendData "LASTMODIFIED" & vbCrLf
314 >                Text1.Text = "Requesting configuration from FilterManager:- " & vbCrLf
315 >                Text1.Text = Text1.Text & response & vbCrLf
316 >            Case 2:
317 >                If response = "ERROR" Then GoTo configError
318 >                lastModified = response
319 >                Text1.Text = Text1.Text & response & vbCrLf
320 >                TCPSock.SendData "FILELIST" & vbCrLf
321 >            ' New addition to the protocol.
322 >            Case 3:
323 >                If response = "ERROR" Then GoTo configError
324 >                fileList = response
325 >                Text1.Text = Text1.Text & response & vbCrLf
326 >                TCPSock.SendData "FQDN" & vbCrLf
327 >            Case 4:
328 >                If response = "ERROR" Then GoTo configError
329 >                Text1.Text = Text1.Text & response & vbCrLf
330 >                machineName = response
331 >                TCPSock.SendData "UDPUpdateTime" & vbCrLf
332 >            Case 5:
333 >                If response = "ERROR" Then GoTo configError
334 >                UDPUpdateTime = response
335 >                Text1.Text = Text1.Text & response & vbCrLf
336 >                TCPSock.SendData "TCPUpdateTime" & vbCrLf
337 >            Case 6:
338 >                If response = "ERROR" Then GoTo configError
339 >                TCPUpdateTime = response
340 >                Text1.Text = Text1.Text & response & vbCrLf
341 >                TCPSock.SendData "ENDCONFIG" & vbCrLf
342 >            Case 7:
343 >                If Not response = "OK" Then GoTo configError
344 >                Text1.Text = Text1.Text & response & vbCrLf
345 >                TCPSock.SendData "FILTER" & vbCrLf
346 >            Case 8:
347 >                Text1.Text = Text1.Text & response & vbCrLf
348 >                'we got a filter list here.
349 >                readTo = 0
350 >                ' get hostname
351 >                readTo = InStr(1, response, ";", vbBinaryCompare)
352 >                filterHostname = Mid(response, 1, readTo - 1)
353 >                response = Mid(response, readTo + 1, Len(response))
354 >                ' get UDP Port number
355 >                readTo = InStr(1, response, ";")
356 >                filterUDPPort = Mid(response, 1, readTo - 1)
357 >                response = Mid(response, readTo + 1, Len(response))
358 >                ' get TCP Port number
359 >                filterTCPPort = response
360 >                TCPSock.SendData "END" & vbCrLf
361 >            Case 9:
362 >                If Not response = "OK" Then GoTo configError
363 >                connected = True
364 >                responseNumber = 0
365 >                TCPSock.Close
366 >                Text1.Text = Text1.Text & response & vbCrLf
367 >                'Text4.Text = Text4.Text & vbCrLf & "  <closed>"
368 >                Status.Caption = "Configuration successful"
369 >                Label3.Caption = UDPUpdateTime
370 >                Label4.Caption = TCPUpdateTime
371 >                Timer1.Interval = 1000
372 >        End Select
373 >    Else
374 >        ' Perform a heartbeat (1.1)
375 >        heartBeating = True
376 >        On Error GoTo heartbeatError
377 >        Select Case responseNumber
378 >            Case 1:
379 >                If Not response = "OK" Then GoTo heartbeatError
380 >                Text1.Text = "Performing heartbeat: -" & vbCrLf
381 >                Text1.Text = Text1.Text & response & vbCrLf
382 >                TCPSock.SendData "CONFIG" & vbCrLf
383 >            Case 2:
384 >                If Not response = "OK" Then GoTo heartbeatError
385 >                Text1.Text = Text1.Text & response & vbCrLf
386 >                TCPSock.SendData fileList & vbCrLf
387 >            Case 3:
388 >                If Not response = "OK" Then GoTo heartbeatError
389 >                Text1.Text = Text1.Text & response & vbCrLf
390 >                TCPSock.SendData lastModified & vbCrLf
391 >            Case 4:
392 >                If Not response = "OK" Then
393 >                    heartBeating = False
394 >                    Reconfigure_Click
395 >                End If
396 >                Text1.Text = Text1.Text & response & vbCrLf
397 >                TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
398 >            Case 5:
399 >                If Not response = "OK" Then GoTo heartbeatError
400 >                Text1.Text = Text1.Text & response & vbCrLf
401 >                TCPSock.Close
402 >                Status.Caption = "Heartbeat sent successfully."
403 >        End Select
404      
405 +    End If
406 +    
407 +    
408 +    Exit Sub
409 +    
410 + configError:
411 +    heartBeating = False
412 +    Status.Caption = "FAILED to get configuration from the server"
413 +    Exit Sub
414 + heartbeatError:
415 +    heartBeating = False
416 +    Status.Caption = "Heatbeat FAILED"
417 +    Exit Sub
418   End Sub
419 +
420 + Private Sub Timer1_Timer()
421 +
422 +    Label3.Caption = Label3.Caption - 1
423 +    Label4.Caption = Label4.Caption - 1
424 +    
425 +    Status.Caption = ""
426 +    
427 +    If Label3.Caption < 1 Then
428 +        
429 +        ' prepare the contents of the XML packet.
430 +        seqNo = seqNo + 1
431 +        
432 +        netbiosName = TCPSock.LocalHostName
433 +        
434 +        LocalIP = TCPSock.LocalIP
435 +        packetDate = Date2Num()
436 +        
437 +        
438 +        Dim verinfo As OSVERSIONINFO
439 +        verinfo.dwOSVersionInfoSize = Len(verinfo)
440 +        ret% = GetVersionEx(verinfo)
441 +        If ret% = 0 Then
442 +            MsgBox "Error getting Windows version Information"
443 +            End
444 +        End If
445 +          
446 +        osName = GetVersion()
447 +        osVersionMajor = verinfo.dwMajorVersion
448 +        osVersionMinor = verinfo.dwMinorVersion
449 +        osBuild = verinfo.dwBuildNumber
450 +        
451 +        Dim sysinfo As SYSTEM_INFO
452 +        GetSystemInfo sysinfo
453 +        Select Case sysinfo.dwProcessorType
454 +            Case PROCESSOR_INTEL_386
455 +                processorType = "Intel 386"
456 +            Case PROCESSOR_INTEL_486
457 +                processorType = "Intel 486"
458 +            Case PROCESSOR_INTEL_PENTIUM
459 +                processorType = "Intel Pentium variant"
460 +            Case PROCESSOR_MIPS_R4000
461 +                processorType = "MIPS R4000"
462 +            Case PROCESSOR_ALPHA_21064
463 +                processorType = "DEC Alpha 21064"
464 +            Case Else
465 +                processorType = "(unknown)"
466 +        End Select
467 +        
468 +        Dim memsts As MEMORYSTATUS
469 +        Dim memory&
470 +        GlobalMemoryStatus memsts
471 +        memory& = memsts.dwTotalPhys
472 +        memTotal = memory& \ 1048576
473 +        memory& = memsts.dwAvailPhys
474 +        memFree = memory& \ 1048576
475 +        memory& = memsts.dwTotalVirtual
476 +        swapTotal = memory& \ 1048576
477 +        memory& = memsts.dwAvailVirtual
478 +        swapFree = memory& \ 1048576
479 +        
480 +        CUpTime.Capture
481 +        cpu_time = CUpTime.CPUTime
482 +        percent_idle = CUpTime.PercentIdle
483 +        
484 +        '' Doesn't work after 47 days :-/
485 +        'uptime = GetTickCount \ 1000
486 +        
487 +        'secondsRunning = secondsRunning + UDPUpdateTime
488 +        'uptime = secondsRunning
489 +        
490 +        uptime = CUpTime.MilliSecs / 1000#
491 +        
492 +        userCount = wksta.LoggedOnUsers
493 +        
494 +        ' build the contents of the XML packet
495 +        xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & LocalIP & """>" & _
496 +              "<os>" & _
497 +                "<netbios_name>" & netbiosName & "</netbios_name>" & _
498 +                "<name>" & osName & "</name>" & _
499 +                "<version>" & osVersionMajor & "." & osVersionMinor & "</version>" & _
500 +                "<release>" & osBuild & "</release>" & _
501 +                "<platform>" & processorType & "</platform>" & _
502 +                "<uptime>" & uptime & "</uptime>" & _
503 +              "</os>" & _
504 +              "<users><count>" & userCount & "</count></users>" & _
505 +              "<cpu><idle>" & percent_idle & "</idle><user>" & cpu_time & "</user></cpu>" & _
506 +              "<memory><total>" & memTotal & "</total><free>" & memFree & "</free></memory>" & _
507 +              "<swap><total>" & swapTotal & "</total><free>" & swapFree & "</free></swap>" & _
508 +              "</packet>"
509 +        Text1.Text = "Last packet contained: -" & vbCrLf & xml
510 +
511 +        ' Use the first winsock control to send a UDP packet.
512 +        UDPSock.RemoteHost = filterHostname
513 +        UDPSock.RemotePort = filterUDPPort
514 +        UDPSock.SendData xml
515 +        Status.Caption = "UDP packet sent"
516 +        Label3.Caption = UDPUpdateTime
517 +    End If
518 +    
519 +    If Label4.Caption < 1 Then
520 +        ' establish a TCP connection to a filter
521 +        TCPSock.Close
522 +        TCPSock.Connect filterHostname, filterTCPPort
523 +        Label4.Caption = TCPUpdateTime
524 +    End If
525 +
526 + End Sub
527 +
528 + Function Date2Num() As Long
529 +    Dim x As Long
530 +    x = DateDiff("s", "1-1-1970", Now)
531 +    Date2Num = x
532 + End Function

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