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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, 8 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

# User Rev Content
1 pjm2 1.1 VERSION 5.00
2     Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
3 pjm2 1.11 Object = "{33155A3D-0CE0-11D1-A6B4-444553540000}#1.0#0"; "SysTray.ocx"
4 pjm2 1.1 Begin VB.Form Form1
5 pjm2 1.17 BorderStyle = 3 'Fixed Dialog
6 pjm2 1.10 Caption = "i-scream Winhost"
7 pjm2 1.24 ClientHeight = 1275
8 pjm2 1.1 ClientLeft = 45
9 pjm2 1.17 ClientTop = 330
10 pjm2 1.12 ClientWidth = 4710
11 pjm2 1.20 Icon = "nettest.frx":0000
12 pjm2 1.1 LinkTopic = "Form1"
13     MaxButton = 0 'False
14 pjm2 1.17 MinButton = 0 'False
15 pjm2 1.24 ScaleHeight = 1275
16 pjm2 1.12 ScaleWidth = 4710
17 pjm2 1.1 ShowInTaskbar = 0 'False
18 pjm2 1.24 StartUpPosition = 2 'CenterScreen
19     Visible = 0 'False
20 pjm2 1.11 Begin VB.CommandButton Hide
21 pjm2 1.12 Caption = "Hide Window"
22     Height = 375
23     Left = 3120
24 pjm2 1.24 TabIndex = 6
25     Top = 480
26 pjm2 1.12 Width = 1455
27 pjm2 1.11 End
28     Begin SysTray.SystemTray SystemTray
29 pjm2 1.12 Left = 2160
30     Top = 1800
31 pjm2 1.11 _ExtentX = 847
32     _ExtentY = 847
33     SysTrayText = "i-scream Winhost"
34     IconFile = 0
35     End
36 pjm2 1.8 Begin VB.Timer Timer1
37 pjm2 1.12 Left = 2760
38     Top = 1800
39 pjm2 1.1 End
40 pjm2 1.10 Begin VB.CommandButton Reconfigure
41     Caption = "Reconfigure with FilterManager"
42 pjm2 1.12 Height = 375
43 pjm2 1.10 Left = 120
44     TabIndex = 0
45 pjm2 1.24 Top = 480
46 pjm2 1.10 Width = 2895
47 pjm2 1.1 End
48 pjm2 1.5 Begin MSWinsockLib.Winsock TCPSock
49 pjm2 1.12 Left = 3720
50     Top = 1800
51 pjm2 1.1 _ExtentX = 741
52     _ExtentY = 741
53     _Version = 393216
54     End
55 pjm2 1.5 Begin MSWinsockLib.Winsock UDPSock
56 pjm2 1.12 Left = 3240
57     Top = 1800
58 pjm2 1.1 _ExtentX = 741
59     _ExtentY = 741
60     _Version = 393216
61     Protocol = 1
62     End
63 pjm2 1.9 Begin VB.Label Label2
64     Alignment = 1 'Right Justify
65     Caption = "Next heartbeat:"
66 pjm2 1.8 Height = 255
67 pjm2 1.12 Left = 2400
68 pjm2 1.24 TabIndex = 5
69     Top = 120
70 pjm2 1.9 Width = 1455
71 pjm2 1.8 End
72 pjm2 1.9 Begin VB.Label Label1
73     Alignment = 1 'Right Justify
74     Caption = "Next UDP packet:"
75 pjm2 1.8 Height = 255
76 pjm2 1.24 Left = 120
77     TabIndex = 4
78 pjm2 1.9 Top = 120
79     Width = 1455
80 pjm2 1.8 End
81 pjm2 1.9 Begin VB.Label Label4
82 pjm2 1.10 BorderStyle = 1 'Fixed Single
83 pjm2 1.9 Caption = "0"
84 pjm2 1.7 Height = 255
85 pjm2 1.12 Left = 3960
86 pjm2 1.24 TabIndex = 3
87     Top = 120
88 pjm2 1.9 Width = 615
89 pjm2 1.7 End
90 pjm2 1.9 Begin VB.Label Label3
91 pjm2 1.10 BorderStyle = 1 'Fixed Single
92 pjm2 1.9 Caption = "0"
93 pjm2 1.7 Height = 255
94 pjm2 1.24 Left = 1680
95     TabIndex = 2
96 pjm2 1.9 Top = 120
97     Width = 615
98 pjm2 1.7 End
99 pjm2 1.6 Begin VB.Label Status
100 pjm2 1.12 Alignment = 2 'Center
101 pjm2 1.6 Caption = "Status:"
102 pjm2 1.1 Height = 255
103 pjm2 1.18 Left = 0
104 pjm2 1.24 TabIndex = 1
105     Top = 960
106 pjm2 1.18 Width = 4695
107 pjm2 1.1 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 pjm2 1.15 ' For the system tray bits
115 pjm2 1.4 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 pjm2 1.18 Dim filterManagerTCPPort As Long
120 pjm2 1.4
121 pjm2 1.13 Dim seqNo As Long
122     Dim machineName As String
123    
124 pjm2 1.2 Dim filterHostname As String
125 pjm2 1.3 Dim filterTCPPort As Integer
126     Dim filterUDPPort As Integer
127     Dim fileList As String
128     Dim lastModified As String
129 pjm2 1.2
130 pjm2 1.7 Dim UDPUpdateTime As Integer
131     Dim TCPUpdateTime As Integer
132    
133 pjm2 1.2 Dim protocolVersion As String
134     Dim connected As Boolean
135 pjm2 1.16
136 pjm2 1.21 Dim CUpTime As New CUpTime
137 pjm2 1.25 Dim wksta As New CNetWksta
138 pjm2 1.16
139 pjm2 1.1 Dim responseNumber As Integer
140    
141 pjm2 1.2 Private Sub Form_Load()
142 pjm2 1.13
143 pjm2 1.22 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 pjm2 1.25 End
146 pjm2 1.22 End If
147    
148 pjm2 1.2 protocolVersion = "1.1"
149 pjm2 1.13
150 pjm2 1.10 Status.Caption = "Loading"
151 pjm2 1.21 Form1.Caption = "i-scream Winhost " & protocolVersion
152    
153     CUpTime.Init
154    
155     If CUpTime.isWin9x Then
156 pjm2 1.25 x = MsgBox("Sorry, the i-scream host can only be used to monitor servers (i.e. not Win9x)", 48, "Not a server")
157 pjm2 1.21 End
158     End If
159 pjm2 1.6
160 pjm2 1.4 ''''TEMP
161 pjm2 1.18 'filterManagerHostname = "killigrew.ukc.ac.uk"
162     'filterManagerTCPPort = 4567
163 pjm2 1.13 ''''' END TEMP
164 pjm2 1.4
165 pjm2 1.18 'GoTo skip
166 pjm2 1.4 On Error GoTo iniError
167     Dim buf As String * 256
168     Dim length As Long
169 pjm2 1.18 length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "/winhost.ini")
170 pjm2 1.4 filterManagerHostname = Left$(buf, length)
171 pjm2 1.18 length = GetPrivateProfileInt("i-scream Winhost", "FilterManagerPort", 0, App.Path & "/winhost.ini")
172     filterManagerTCPPort = length
173 pjm2 1.25 If filterManagerHostname = "" Then
174     GoTo iniError
175     End If
176 pjm2 1.20 On Error GoTo 0
177 pjm2 1.13 skip:
178    
179 pjm2 1.18 Status.Caption = "Connecting to Filter Manager " & filterManagerHostname & ":" & filterManagerTCPPort
180 pjm2 1.13 Reconfigure_Click
181 pjm2 1.6
182 pjm2 1.20 SystemTray.Icon = Val(Form1.Icon)
183 pjm2 1.15 SystemTray.Action = 0
184    
185    
186 pjm2 1.4 Exit Sub
187    
188     iniError:
189 pjm2 1.18 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 pjm2 1.4 End
191    
192     End Sub
193    
194 pjm2 1.10 Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
195 pjm2 1.11 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 pjm2 1.10 If x = 7 Then
197     Cancel = True
198 pjm2 1.15 Else
199     SystemTray.Action = 2
200 pjm2 1.10 End If
201    
202     End Sub
203    
204 pjm2 1.11 Private Sub Hide_Click()
205     Form1.Visible = False
206     SystemTray.Icon = Val(Form1.Icon)
207     End Sub
208    
209 pjm2 1.10 Private Sub Reconfigure_Click()
210     ' establish a TCP connection to a filtermanager
211     connected = False
212     TCPSock.Close
213     TCPSock.Connect filterManagerHostname, filterManagerTCPPort
214 pjm2 1.11 End Sub
215    
216    
217    
218     Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
219    
220     Form1.Visible = True
221     Form1.SetFocus
222    
223 pjm2 1.10 End Sub
224    
225 pjm2 1.5 Private Sub TCPSock_Connect()
226 pjm2 1.6
227     responseNumber = 0
228 pjm2 1.1
229 pjm2 1.3 ' Send something as soon as we connect to the server.
230     If connected = False Then
231     ' contact the FilterManager
232 pjm2 1.5 TCPSock.SendData "STARTCONFIG" & vbCrLf
233 pjm2 1.3 Else
234     ' Contact the Filter
235 pjm2 1.5 TCPSock.SendData "HEARTBEAT" & vbCrLf
236 pjm2 1.3 End If
237 pjm2 1.1
238     End Sub
239    
240 pjm2 1.5 Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
241 pjm2 1.1
242     responseNumber = responseNumber + 1
243    
244     ' Get the line from the server.
245 pjm2 1.5 TCPSock.GetData response, vbString, bytesTotal
246 pjm2 1.1
247     ' Remove linefeeds and returns from the line.
248     response = Replace(response, Chr(13), "")
249     response = Replace(response, Chr(10), "")
250 pjm2 1.24 'Text4.Text = Text4.Text & vbCrLf & response
251 pjm2 1.1
252 pjm2 1.2 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 pjm2 1.5 TCPSock.SendData "LASTMODIFIED" & vbCrLf
259 pjm2 1.2 Case 2:
260     If response = "ERROR" Then GoTo configError
261 pjm2 1.3 lastModified = response
262 pjm2 1.5 TCPSock.SendData "FILELIST" & vbCrLf
263 pjm2 1.2 Case 3:
264     If response = "ERROR" Then GoTo configError
265 pjm2 1.3 fileList = response
266 pjm2 1.5 TCPSock.SendData "UDPUpdateTime" & vbCrLf
267 pjm2 1.2 Case 4:
268     If response = "ERROR" Then GoTo configError
269 pjm2 1.7 UDPUpdateTime = response
270 pjm2 1.5 TCPSock.SendData "TCPUpdateTime" & vbCrLf
271 pjm2 1.2 Case 5:
272     If response = "ERROR" Then GoTo configError
273 pjm2 1.7 TCPUpdateTime = response
274 pjm2 1.5 TCPSock.SendData "ENDCONFIG" & vbCrLf
275 pjm2 1.2 Case 6:
276     If Not response = "OK" Then GoTo configError
277 pjm2 1.5 TCPSock.SendData "FILTER" & vbCrLf
278 pjm2 1.2 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 pjm2 1.5 TCPSock.SendData "END" & vbCrLf
292 pjm2 1.2 Case 8:
293     If Not response = "OK" Then GoTo configError
294     connected = True
295     responseNumber = 0
296 pjm2 1.5 TCPSock.Close
297 pjm2 1.24 'Text4.Text = Text4.Text & vbCrLf & " <closed>"
298 pjm2 1.10 Status.Caption = "Configuration successful"
299 pjm2 1.8 Label3.Caption = UDPUpdateTime
300     Label4.Caption = TCPUpdateTime
301     Timer1.Interval = 1000
302 pjm2 1.2 End Select
303     Else
304     ' Perform a heartbeat (1.1)
305     On Error GoTo heartbeatError
306     Select Case responseNumber
307     Case 1:
308 pjm2 1.3 If Not response = "OK" Then GoTo heartbeatError
309 pjm2 1.5 TCPSock.SendData "CONFIG" & vbCrLf
310 pjm2 1.2 Case 2:
311 pjm2 1.3 If Not response = "OK" Then GoTo heartbeatError
312 pjm2 1.5 TCPSock.SendData fileList & vbCrLf
313 pjm2 1.2 Case 3:
314 pjm2 1.3 If Not response = "OK" Then GoTo heartbeatError
315 pjm2 1.5 TCPSock.SendData lastModified & vbCrLf
316 pjm2 1.2 Case 4:
317 pjm2 1.3 If Not response = "OK" Then GoTo heartbeatError
318 pjm2 1.5 TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
319 pjm2 1.2 Case 5:
320 pjm2 1.3 If Not response = "OK" Then GoTo heartbeatError
321 pjm2 1.5 TCPSock.Close
322 pjm2 1.10 Status.Caption = "Heartbeat sent successfully."
323 pjm2 1.2 End Select
324    
325     End If
326    
327    
328     Exit Sub
329    
330     configError:
331 pjm2 1.10 Status.Caption = "FAILED to get configuration"
332 pjm2 1.8 Exit Sub
333 pjm2 1.2 heartbeatError:
334 pjm2 1.10 Status.Caption = "Heatbeat FAILED"
335 pjm2 1.8 Exit Sub
336 pjm2 1.1 End Sub
337 pjm2 1.5
338 pjm2 1.8 Private Sub Timer1_Timer()
339    
340     Label3.Caption = Label3.Caption - 1
341     Label4.Caption = Label4.Caption - 1
342    
343 pjm2 1.10 Status.Caption = ""
344 pjm2 1.8
345     If Label3.Caption < 1 Then
346 pjm2 1.15
347     ' prepare the contents of the XML packet.
348     seqNo = seqNo + 1
349     machineName = TCPSock.LocalHostName
350 pjm2 1.16 LocalIP = TCPSock.LocalIP
351 pjm2 1.14 packetDate = Date2Num()
352 pjm2 1.15
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 pjm2 1.21 osName = GetVersion()
363 pjm2 1.15 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 pjm2 1.25 uptime = CUpTime.MilliSecs \ 1000
397 pjm2 1.19
398 pjm2 1.23 CUpTime.Capture
399     cpu_time = CUpTime.CPUTime
400     percent_idle = CUpTime.PercentIdle
401    
402 pjm2 1.15 ' build the contents of the XML packet
403 pjm2 1.16 xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & LocalIP & """>" & _
404 pjm2 1.15 "<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 pjm2 1.19 "<uptime>" & uptime & "</uptime>" & _
412 pjm2 1.15 "</os>" & _
413 pjm2 1.23 "<cpu><idle>" & percent_idle & "</idle><user>" & cpu_time & "</user></cpu>" & _
414 pjm2 1.15 "<memory><total>" & memTotal & "</total><free>" & memFree & "</free></memory>" & _
415     "<swap><total>" & swapTotal & "</total><free>" & swapFree & "</free></swap>" & _
416 pjm2 1.17 "</packet>"
417 pjm2 1.24 'Text4.Text = Text4.Text + xml
418 pjm2 1.8
419     ' Use the first winsock control to send a UDP packet.
420     UDPSock.RemoteHost = filterHostname
421     UDPSock.RemotePort = filterUDPPort
422     UDPSock.SendData xml
423 pjm2 1.10 Status.Caption = "UDP packet sent"
424 pjm2 1.8 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 pjm2 1.13
436     Function Date2Num() As Long
437 pjm2 1.14 Dim x As Long
438     x = DateDiff("s", "1-1-1970", Now)
439     Date2Num = x
440 pjm2 1.13 End Function