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root/i-scream/experimental/host/vb_net_test/nettest.frm
Revision: 1.11
Committed: Fri Feb 23 11:56:43 2001 UTC (23 years, 2 months ago) by pjm2
Branch: MAIN
Changes since 1.10: +33 -2 lines
Log Message:
Program can now be minimised to the system tray ;)

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 = 4 'Fixed ToolWindow
6 Caption = "i-scream Winhost"
7 ClientHeight = 5655
8 ClientLeft = 45
9 ClientTop = 285
10 ClientWidth = 5670
11 LinkTopic = "Form1"
12 MaxButton = 0 'False
13 ScaleHeight = 5655
14 ScaleWidth = 5670
15 ShowInTaskbar = 0 'False
16 StartUpPosition = 3 'Windows Default
17 Begin VB.CommandButton Hide
18 Caption = "Hide"
19 Height = 495
20 Left = 1800
21 TabIndex = 7
22 Top = 2160
23 Width = 1215
24 End
25 Begin SysTray.SystemTray SystemTray
26 Left = 3600
27 Top = 1200
28 _ExtentX = 847
29 _ExtentY = 847
30 SysTrayText = "i-scream Winhost"
31 IconFile = 0
32 End
33 Begin VB.Timer Timer1
34 Left = 4200
35 Top = 1200
36 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
47 Begin VB.CommandButton Reconfigure
48 Caption = "Reconfigure with FilterManager"
49 Height = 495
50 Left = 120
51 TabIndex = 0
52 Top = 120
53 Width = 2895
54 End
55 Begin MSWinsockLib.Winsock TCPSock
56 Left = 5160
57 Top = 1200
58 _ExtentX = 741
59 _ExtentY = 741
60 _Version = 393216
61 End
62 Begin MSWinsockLib.Winsock UDPSock
63 Left = 4680
64 Top = 1200
65 _ExtentX = 741
66 _ExtentY = 741
67 _Version = 393216
68 Protocol = 1
69 End
70 Begin VB.Label Label2
71 Alignment = 1 'Right Justify
72 Caption = "Next heartbeat:"
73 Height = 255
74 Left = 3360
75 TabIndex = 6
76 Top = 480
77 Width = 1455
78 End
79 Begin VB.Label Label1
80 Alignment = 1 'Right Justify
81 Caption = "Next UDP packet:"
82 Height = 255
83 Left = 3360
84 TabIndex = 5
85 Top = 120
86 Width = 1455
87 End
88 Begin VB.Label Label4
89 BorderStyle = 1 'Fixed Single
90 Caption = "0"
91 Height = 255
92 Left = 4920
93 TabIndex = 4
94 Top = 480
95 Width = 615
96 End
97 Begin VB.Label Label3
98 BorderStyle = 1 'Fixed Single
99 Caption = "0"
100 Height = 255
101 Left = 4920
102 TabIndex = 3
103 Top = 120
104 Width = 615
105 End
106 Begin VB.Label Status
107 Caption = "Status:"
108 Height = 255
109 Left = 120
110 TabIndex = 2
111 Top = 840
112 Width = 5415
113 End
114 End
115 Attribute VB_Name = "Form1"
116 Attribute VB_GlobalNameSpace = False
117 Attribute VB_Creatable = False
118 Attribute VB_PredeclaredId = True
119 Attribute VB_Exposed = False
120 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
121 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
122
123 Dim filterManagerHostname As String
124 Dim filterManagerTCPPort As Integer
125
126 Dim filterHostname As String
127 Dim filterTCPPort As Integer
128 Dim filterUDPPort As Integer
129 Dim fileList As String
130 Dim lastModified As String
131
132 Dim UDPUpdateTime As Integer
133 Dim TCPUpdateTime As Integer
134
135 Dim protocolVersion As String
136 Dim connected As Boolean
137 Dim responseNumber As Integer
138
139
140 Private Sub Command1_Click()
141
142 ' build the contents of the XML packet.
143 xml = "<packet></packet>"
144
145 ' Use the first winsock control to send a UDP packet.
146 UDPSock.RemoteHost = filterHostname
147 UDPSock.RemotePort = filterUDPPort
148 UDPSock.SendData xml
149 Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
150
151 End Sub
152
153
154 Private Sub Command3_Click()
155 ' establish a TCP connection to a filter
156 TCPSock.Close
157 TCPSock.Connect filterHostname, filterTCPPort
158 End Sub
159
160 Private Sub Form_Load()
161 protocolVersion = "1.1"
162
163 Status.Caption = "Loading"
164 Form1.Caption = "i-scream Winhost " & protocolVersion
165
166 ''''TEMP
167 filterManagerHostname = "killigrew.ukc.ac.uk"
168 filterManagerTCPPort = 4567
169 Reconfigure_Click
170 Exit Sub
171 ''' ENDTEMP
172
173 On Error GoTo iniError
174 Dim buf As String * 256
175 Dim length As Long
176 length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
177 filterManagerHostname = Left$(buf, length)
178 length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
179 filterManagerTCPPort = Left$(buf, length)
180
181 Status.Caption = "Connecting to Filter Manager"
182
183 Exit Sub
184
185 iniError:
186 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")
187 End
188
189 End Sub
190
191 Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
192 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")
193 If x = 7 Then
194 Cancel = True
195 End If
196
197 End Sub
198
199 Private Sub Hide_Click()
200 Form1.Visible = False
201 SystemTray.Icon = Val(Form1.Icon)
202 SystemTray.Action = 0
203 End Sub
204
205 Private Sub Reconfigure_Click()
206 ' establish a TCP connection to a filtermanager
207 connected = False
208 TCPSock.Close
209 TCPSock.Connect filterManagerHostname, filterManagerTCPPort
210 End Sub
211
212
213
214 Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
215
216 Form1.Visible = True
217 Form1.SetFocus
218
219 End Sub
220
221 Private Sub TCPSock_Connect()
222
223 responseNumber = 0
224
225 ' Send something as soon as we connect to the server.
226 If connected = False Then
227 ' contact the FilterManager
228 TCPSock.SendData "STARTCONFIG" & vbCrLf
229 Else
230 ' Contact the Filter
231 TCPSock.SendData "HEARTBEAT" & vbCrLf
232 End If
233
234 End Sub
235
236 Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
237
238 responseNumber = responseNumber + 1
239
240 ' Get the line from the server.
241 TCPSock.GetData response, vbString, bytesTotal
242
243 ' Remove linefeeds and returns from the line.
244 response = Replace(response, Chr(13), "")
245 response = Replace(response, Chr(10), "")
246 Text4.Text = Text4.Text & vbCrLf & response
247
248 If connected = False Then
249 ' Perform TCP configuration (1.1)
250 On Error GoTo configError
251 Select Case responseNumber
252 Case 1:
253 If Not response = "OK" Then GoTo configError
254 TCPSock.SendData "LASTMODIFIED" & vbCrLf
255 Case 2:
256 If response = "ERROR" Then GoTo configError
257 lastModified = response
258 TCPSock.SendData "FILELIST" & vbCrLf
259 Case 3:
260 If response = "ERROR" Then GoTo configError
261 fileList = response
262 TCPSock.SendData "UDPUpdateTime" & vbCrLf
263 Case 4:
264 If response = "ERROR" Then GoTo configError
265 UDPUpdateTime = response
266 TCPSock.SendData "TCPUpdateTime" & vbCrLf
267 Case 5:
268 If response = "ERROR" Then GoTo configError
269 TCPUpdateTime = response
270 TCPSock.SendData "ENDCONFIG" & vbCrLf
271 Case 6:
272 If Not response = "OK" Then GoTo configError
273 TCPSock.SendData "FILTER" & vbCrLf
274 Case 7:
275 'we got a filter list here.
276 readTo = 0
277 ' get hostname
278 readTo = InStr(1, response, ";", vbBinaryCompare)
279 filterHostname = Mid(response, 1, readTo - 1)
280 response = Mid(response, readTo + 1, Len(response))
281 ' get UDP Port number
282 readTo = InStr(1, response, ";")
283 filterUDPPort = Mid(response, 1, readTo - 1)
284 response = Mid(response, readTo + 1, Len(response))
285 ' get TCP Port number
286 filterTCPPort = response
287 TCPSock.SendData "END" & vbCrLf
288 Case 8:
289 If Not response = "OK" Then GoTo configError
290 connected = True
291 responseNumber = 0
292 TCPSock.Close
293 Text4.Text = Text4.Text & vbCrLf & " <closed>"
294 Status.Caption = "Configuration successful"
295 Label3.Caption = UDPUpdateTime
296 Label4.Caption = TCPUpdateTime
297 Timer1.Interval = 1000
298 End Select
299 Else
300 ' Perform a heartbeat (1.1)
301 On Error GoTo heartbeatError
302 Select Case responseNumber
303 Case 1:
304 If Not response = "OK" Then GoTo heartbeatError
305 TCPSock.SendData "CONFIG" & vbCrLf
306 Case 2:
307 If Not response = "OK" Then GoTo heartbeatError
308 TCPSock.SendData fileList & vbCrLf
309 Case 3:
310 If Not response = "OK" Then GoTo heartbeatError
311 TCPSock.SendData lastModified & vbCrLf
312 Case 4:
313 If Not response = "OK" Then GoTo heartbeatError
314 TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
315 Case 5:
316 If Not response = "OK" Then GoTo heartbeatError
317 TCPSock.Close
318 Status.Caption = "Heartbeat sent successfully."
319 End Select
320
321 End If
322
323
324 Exit Sub
325
326 configError:
327 Status.Caption = "FAILED to get configuration"
328 Exit Sub
329 heartbeatError:
330 Status.Caption = "Heatbeat FAILED"
331 Exit Sub
332 End Sub
333
334 Private Sub Timer1_Timer()
335
336 Label3.Caption = Label3.Caption - 1
337 Label4.Caption = Label4.Caption - 1
338
339 Status.Caption = ""
340
341 If Label3.Caption < 1 Then
342 ' build the contents of the XML packet.
343 xml = "<packet></packet>"
344
345 ' Use the first winsock control to send a UDP packet.
346 UDPSock.RemoteHost = filterHostname
347 UDPSock.RemotePort = filterUDPPort
348 UDPSock.SendData xml
349 Status.Caption = "UDP packet sent"
350 Label3.Caption = UDPUpdateTime
351 End If
352
353 If Label4.Caption < 1 Then
354 ' establish a TCP connection to a filter
355 TCPSock.Close
356 TCPSock.Connect filterHostname, filterTCPPort
357 Label4.Caption = TCPUpdateTime
358 End If
359
360 End Sub