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root/i-scream/experimental/host/vb_net_test/nettest.frm
Revision: 1.25
Committed: Wed Feb 28 08:19:00 2001 UTC (23 years, 3 months ago) by pjm2
Branch: MAIN
Changes since 1.24: +7 -2 lines
Log Message:
Uptime is now obtained from the CUpTime class rather than the Windows API.
This should hopefully prevent the number wrapping round after 47 days.

File Contents

# Content
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 = "i-scream Winhost"
7 ClientHeight = 1275
8 ClientLeft = 45
9 ClientTop = 330
10 ClientWidth = 4710
11 Icon = "nettest.frx":0000
12 LinkTopic = "Form1"
13 MaxButton = 0 'False
14 MinButton = 0 'False
15 ScaleHeight = 1275
16 ScaleWidth = 4710
17 ShowInTaskbar = 0 'False
18 StartUpPosition = 2 'CenterScreen
19 Visible = 0 'False
20 Begin VB.CommandButton Hide
21 Caption = "Hide Window"
22 Height = 375
23 Left = 3120
24 TabIndex = 6
25 Top = 480
26 Width = 1455
27 End
28 Begin SysTray.SystemTray SystemTray
29 Left = 2160
30 Top = 1800
31 _ExtentX = 847
32 _ExtentY = 847
33 SysTrayText = "i-scream Winhost"
34 IconFile = 0
35 End
36 Begin VB.Timer Timer1
37 Left = 2760
38 Top = 1800
39 End
40 Begin VB.CommandButton Reconfigure
41 Caption = "Reconfigure with FilterManager"
42 Height = 375
43 Left = 120
44 TabIndex = 0
45 Top = 480
46 Width = 2895
47 End
48 Begin MSWinsockLib.Winsock TCPSock
49 Left = 3720
50 Top = 1800
51 _ExtentX = 741
52 _ExtentY = 741
53 _Version = 393216
54 End
55 Begin MSWinsockLib.Winsock UDPSock
56 Left = 3240
57 Top = 1800
58 _ExtentX = 741
59 _ExtentY = 741
60 _Version = 393216
61 Protocol = 1
62 End
63 Begin VB.Label Label2
64 Alignment = 1 'Right Justify
65 Caption = "Next heartbeat:"
66 Height = 255
67 Left = 2400
68 TabIndex = 5
69 Top = 120
70 Width = 1455
71 End
72 Begin VB.Label Label1
73 Alignment = 1 'Right Justify
74 Caption = "Next UDP packet:"
75 Height = 255
76 Left = 120
77 TabIndex = 4
78 Top = 120
79 Width = 1455
80 End
81 Begin VB.Label Label4
82 BorderStyle = 1 'Fixed Single
83 Caption = "0"
84 Height = 255
85 Left = 3960
86 TabIndex = 3
87 Top = 120
88 Width = 615
89 End
90 Begin VB.Label Label3
91 BorderStyle = 1 'Fixed Single
92 Caption = "0"
93 Height = 255
94 Left = 1680
95 TabIndex = 2
96 Top = 120
97 Width = 615
98 End
99 Begin VB.Label Status
100 Alignment = 2 'Center
101 Caption = "Status:"
102 Height = 255
103 Left = 0
104 TabIndex = 1
105 Top = 960
106 Width = 4695
107 End
108 End
109 Attribute VB_Name = "Form1"
110 Attribute VB_GlobalNameSpace = False
111 Attribute VB_Creatable = False
112 Attribute VB_PredeclaredId = True
113 Attribute VB_Exposed = False
114 ' For the system tray bits
115 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
116 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
117
118 Dim filterManagerHostname As String
119 Dim filterManagerTCPPort As Long
120
121 Dim seqNo As Long
122 Dim machineName As String
123
124 Dim filterHostname As String
125 Dim filterTCPPort As Integer
126 Dim filterUDPPort As Integer
127 Dim fileList As String
128 Dim lastModified As String
129
130 Dim UDPUpdateTime As Integer
131 Dim TCPUpdateTime As Integer
132
133 Dim protocolVersion As String
134 Dim connected As Boolean
135
136 Dim CUpTime As New CUpTime
137 Dim wksta As New CNetWksta
138
139 Dim responseNumber As Integer
140
141 Private Sub Form_Load()
142
143 If App.PrevInstance Then
144 x = MsgBox("There is already an i-scream Winhost running on this machine.", 48, "i-scream host already running")
145 End
146 End If
147
148 protocolVersion = "1.1"
149
150 Status.Caption = "Loading"
151 Form1.Caption = "i-scream Winhost " & protocolVersion
152
153 CUpTime.Init
154
155 If CUpTime.isWin9x Then
156 x = MsgBox("Sorry, the i-scream host can only be used to monitor servers (i.e. not Win9x)", 48, "Not a server")
157 End
158 End If
159
160 ''''TEMP
161 'filterManagerHostname = "killigrew.ukc.ac.uk"
162 'filterManagerTCPPort = 4567
163 ''''' END TEMP
164
165 'GoTo skip
166 On Error GoTo iniError
167 Dim buf As String * 256
168 Dim length As Long
169 length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "/winhost.ini")
170 filterManagerHostname = Left$(buf, length)
171 length = GetPrivateProfileInt("i-scream Winhost", "FilterManagerPort", 0, App.Path & "/winhost.ini")
172 filterManagerTCPPort = length
173 If filterManagerHostname = "" Then
174 GoTo iniError
175 End If
176 On Error GoTo 0
177 skip:
178
179 Status.Caption = "Connecting to Filter Manager " & filterManagerHostname & ":" & filterManagerTCPPort
180 Reconfigure_Click
181
182 SystemTray.Icon = Val(Form1.Icon)
183 SystemTray.Action = 0
184
185
186 Exit Sub
187
188 iniError:
189 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")
190 End
191
192 End Sub
193
194 Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
195 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")
196 If x = 7 Then
197 Cancel = True
198 Else
199 SystemTray.Action = 2
200 End If
201
202 End Sub
203
204 Private Sub Hide_Click()
205 Form1.Visible = False
206 SystemTray.Icon = Val(Form1.Icon)
207 End Sub
208
209 Private Sub Reconfigure_Click()
210 ' establish a TCP connection to a filtermanager
211 connected = False
212 TCPSock.Close
213 TCPSock.Connect filterManagerHostname, filterManagerTCPPort
214 End Sub
215
216
217
218 Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
219
220 Form1.Visible = True
221 Form1.SetFocus
222
223 End Sub
224
225 Private Sub TCPSock_Connect()
226
227 responseNumber = 0
228
229 ' Send something as soon as we connect to the server.
230 If connected = False Then
231 ' contact the FilterManager
232 TCPSock.SendData "STARTCONFIG" & vbCrLf
233 Else
234 ' Contact the Filter
235 TCPSock.SendData "HEARTBEAT" & vbCrLf
236 End If
237
238 End Sub
239
240 Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
241
242 responseNumber = responseNumber + 1
243
244 ' Get the line from the server.
245 TCPSock.GetData response, vbString, bytesTotal
246
247 ' Remove linefeeds and returns from the line.
248 response = Replace(response, Chr(13), "")
249 response = Replace(response, Chr(10), "")
250 'Text4.Text = Text4.Text & vbCrLf & response
251
252 If connected = False Then
253 ' Perform TCP configuration (1.1)
254 On Error GoTo configError
255 Select Case responseNumber
256 Case 1:
257 If Not response = "OK" Then GoTo configError
258 TCPSock.SendData "LASTMODIFIED" & vbCrLf
259 Case 2:
260 If response = "ERROR" Then GoTo configError
261 lastModified = response
262 TCPSock.SendData "FILELIST" & vbCrLf
263 Case 3:
264 If response = "ERROR" Then GoTo configError
265 fileList = response
266 TCPSock.SendData "UDPUpdateTime" & vbCrLf
267 Case 4:
268 If response = "ERROR" Then GoTo configError
269 UDPUpdateTime = response
270 TCPSock.SendData "TCPUpdateTime" & vbCrLf
271 Case 5:
272 If response = "ERROR" Then GoTo configError
273 TCPUpdateTime = response
274 TCPSock.SendData "ENDCONFIG" & vbCrLf
275 Case 6:
276 If Not response = "OK" Then GoTo configError
277 TCPSock.SendData "FILTER" & vbCrLf
278 Case 7:
279 'we got a filter list here.
280 readTo = 0
281 ' get hostname
282 readTo = InStr(1, response, ";", vbBinaryCompare)
283 filterHostname = Mid(response, 1, readTo - 1)
284 response = Mid(response, readTo + 1, Len(response))
285 ' get UDP Port number
286 readTo = InStr(1, response, ";")
287 filterUDPPort = Mid(response, 1, readTo - 1)
288 response = Mid(response, readTo + 1, Len(response))
289 ' get TCP Port number
290 filterTCPPort = response
291 TCPSock.SendData "END" & vbCrLf
292 Case 8:
293 If Not response = "OK" Then GoTo configError
294 connected = True
295 responseNumber = 0
296 TCPSock.Close
297 'Text4.Text = Text4.Text & vbCrLf & " <closed>"
298 Status.Caption = "Configuration successful"
299 Label3.Caption = UDPUpdateTime
300 Label4.Caption = TCPUpdateTime
301 Timer1.Interval = 1000
302 End Select
303 Else
304 ' Perform a heartbeat (1.1)
305 On Error GoTo heartbeatError
306 Select Case responseNumber
307 Case 1:
308 If Not response = "OK" Then GoTo heartbeatError
309 TCPSock.SendData "CONFIG" & vbCrLf
310 Case 2:
311 If Not response = "OK" Then GoTo heartbeatError
312 TCPSock.SendData fileList & vbCrLf
313 Case 3:
314 If Not response = "OK" Then GoTo heartbeatError
315 TCPSock.SendData lastModified & vbCrLf
316 Case 4:
317 If Not response = "OK" Then GoTo heartbeatError
318 TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
319 Case 5:
320 If Not response = "OK" Then GoTo heartbeatError
321 TCPSock.Close
322 Status.Caption = "Heartbeat sent successfully."
323 End Select
324
325 End If
326
327
328 Exit Sub
329
330 configError:
331 Status.Caption = "FAILED to get configuration"
332 Exit Sub
333 heartbeatError:
334 Status.Caption = "Heatbeat FAILED"
335 Exit Sub
336 End Sub
337
338 Private Sub Timer1_Timer()
339
340 Label3.Caption = Label3.Caption - 1
341 Label4.Caption = Label4.Caption - 1
342
343 Status.Caption = ""
344
345 If Label3.Caption < 1 Then
346
347 ' prepare the contents of the XML packet.
348 seqNo = seqNo + 1
349 machineName = TCPSock.LocalHostName
350 LocalIP = TCPSock.LocalIP
351 packetDate = Date2Num()
352
353
354 Dim verinfo As OSVERSIONINFO
355 verinfo.dwOSVersionInfoSize = Len(verinfo)
356 ret% = GetVersionEx(verinfo)
357 If ret% = 0 Then
358 MsgBox "Error getting Windows version Information"
359 End
360 End If
361
362 osName = GetVersion()
363 osVersionMajor = verinfo.dwMajorVersion
364 osVersionMinor = verinfo.dwMinorVersion
365 osBuild = verinfo.dwBuildNumber
366
367 Dim sysinfo As SYSTEM_INFO
368 GetSystemInfo sysinfo
369 Select Case sysinfo.dwProcessorType
370 Case PROCESSOR_INTEL_386
371 processorType = "Intel 386"
372 Case PROCESSOR_INTEL_486
373 processorType = "Intel 486"
374 Case PROCESSOR_INTEL_PENTIUM
375 processorType = "Intel Pentium variant"
376 Case PROCESSOR_MIPS_R4000
377 processorType = "MIPS R4000"
378 Case PROCESSOR_ALPHA_21064
379 processorType = "DEC Alpha 21064"
380 Case Else
381 processorType = "(unknown)"
382 End Select
383
384 Dim memsts As MEMORYSTATUS
385 Dim memory&
386 GlobalMemoryStatus memsts
387 memory& = memsts.dwTotalPhys
388 memTotal = memory& \ 1024
389 memory& = memsts.dwAvailPhys
390 memFree = memory& \ 1024
391 memory& = memsts.dwTotalVirtual
392 swapTotal = memory& \ 1024
393 memory& = memsts.dwAvailVirtual
394 swapFree = memory& \ 1024
395
396 uptime = CUpTime.MilliSecs \ 1000
397
398 CUpTime.Capture
399 cpu_time = CUpTime.CPUTime
400 percent_idle = CUpTime.PercentIdle
401
402 ' build the contents of the XML packet
403 xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & LocalIP & """>" & _
404 "<os>" & _
405 "<name>" & osName & "</name>" & _
406 "<version>" & osVersionMajor & "</version>" & _
407 "<release>" & osBuild & "</release>" & _
408 "<platform>" & osName & "</platform>" & _
409 "<minor_version>" & osVersionMinor & "</minor_version>" & _
410 "<processor>" & processorType & "</processor>" & _
411 "<uptime>" & uptime & "</uptime>" & _
412 "</os>" & _
413 "<cpu><idle>" & percent_idle & "</idle><user>" & cpu_time & "</user></cpu>" & _
414 "<memory><total>" & memTotal & "</total><free>" & memFree & "</free></memory>" & _
415 "<swap><total>" & swapTotal & "</total><free>" & swapFree & "</free></swap>" & _
416 "</packet>"
417 'Text4.Text = Text4.Text + xml
418
419 ' Use the first winsock control to send a UDP packet.
420 UDPSock.RemoteHost = filterHostname
421 UDPSock.RemotePort = filterUDPPort
422 UDPSock.SendData xml
423 Status.Caption = "UDP packet sent"
424 Label3.Caption = UDPUpdateTime
425 End If
426
427 If Label4.Caption < 1 Then
428 ' establish a TCP connection to a filter
429 TCPSock.Close
430 TCPSock.Connect filterHostname, filterTCPPort
431 Label4.Caption = TCPUpdateTime
432 End If
433
434 End Sub
435
436 Function Date2Num() As Long
437 Dim x As Long
438 x = DateDiff("s", "1-1-1970", Now)
439 Date2Num = x
440 End Function