host/vb_net_test/nettest.frm

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form Form1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "TCP/UDP Test program"
   ClientHeight    =   5655
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5670
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   5655
   ScaleWidth      =   5670
   ShowInTaskbar   =   0   'False
   StartUpPosition =   3  'Windows Default
   Begin VB.Timer Timer1 
      Left            =   3840
      Top             =   120
   End
   Begin VB.CommandButton Command3 
      Caption         =   "TCP to Filter"
      Height          =   375
      Left            =   3720
      TabIndex        =   3
      Top             =   2520
      Width           =   1575
   End
   Begin VB.TextBox Text4 
      Height          =   1575
      Left            =   240
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   2
      Text            =   "nettest.frx":0000
      Top             =   3000
      Width           =   5055
   End
   Begin VB.CommandButton Command2 
      Caption         =   "TCP to FilterManager"
      Height          =   375
      Left            =   3360
      TabIndex        =   1
      Top             =   2040
      Width           =   1935
   End
   Begin MSWinsockLib.Winsock TCPSock 
      Left            =   4920
      Top             =   120
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Send UDP"
      Height          =   375
      Left            =   4320
      TabIndex        =   0
      Top             =   1560
      Width           =   975
   End
   Begin MSWinsockLib.Winsock UDPSock 
      Left            =   4320
      Top             =   120
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
      Protocol        =   1
   End
   Begin VB.Label Label4 
      Caption         =   "Label4"
      Height          =   255
      Left            =   1920
      TabIndex        =   8
      Top             =   1320
      Width           =   615
   End
   Begin VB.Label Label3 
      Caption         =   "Label3"
      Height          =   255
      Left            =   1920
      TabIndex        =   7
      Top             =   960
      Width           =   615
   End
   Begin VB.Label Label2 
      Caption         =   "Label2"
      Height          =   255
      Left            =   120
      TabIndex        =   6
      Top             =   600
      Width           =   3375
   End
   Begin VB.Label Label1 
      Caption         =   "Label1"
      Height          =   255
      Left            =   120
      TabIndex        =   5
      Top             =   240
      Width           =   3375
   End
   Begin VB.Label Status 
      Caption         =   "Status:"
      Height          =   255
      Left            =   120
      TabIndex        =   4
      Top             =   5280
      Width           =   5415
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
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
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

Dim filterManagerHostname As String
Dim filterManagerTCPPort As Integer

Dim filterHostname As String
Dim filterTCPPort As Integer
Dim filterUDPPort As Integer
Dim fileList As String
Dim lastModified As String

Dim UDPUpdateTime As Integer
Dim TCPUpdateTime As Integer

Dim protocolVersion As String
Dim connected As Boolean
Dim responseNumber As Integer


Private Sub Command1_Click()

    ' build the contents of the XML packet.
    xml = "<packet></packet>"

    ' Use the first winsock control to send a UDP packet.
    UDPSock.RemoteHost = filterHostname
    UDPSock.RemotePort = filterUDPPort
    UDPSock.SendData xml
    Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."

End Sub

Private Sub Command2_Click()
    
    ' establish a TCP connection to a filtermanager
    TCPSock.Close
    TCPSock.Connect filterManagerHostname, filterManagerTCPPort

End Sub

Private Sub Command3_Click()
    ' establish a TCP connection to a filter
    TCPSock.Close
    TCPSock.Connect filterHostname, filterTCPPort
End Sub

Private Sub Form_Load()
    protocolVersion = "1.1"
    
    Status.Caption = "i-scream Winhost " & protocolVersion
    
    ''''TEMP
    filterManagerHostname = "killigrew.ukc.ac.uk"
    filterManagerTCPPort = 4567
    Exit Sub
    ''' ENDTEMP
    
    On Error GoTo iniError
    Dim buf As String * 256
    Dim length As Long
    length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
    filterManagerHostname = Left$(buf, length)
    length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
    filterManagerTCPPort = Left$(buf, length)
    
    Status.Caption = "i-scream Winhost " & protocolVersion & " connecting to Filter Manager"
    
    Exit Sub
    
iniError:
    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")
    End
    
End Sub

Private Sub TCPSock_Connect()
    
    responseNumber = 0
   
    ' Send something as soon as we connect to the server.
    If connected = False Then
        ' contact the FilterManager
        TCPSock.SendData "STARTCONFIG" & vbCrLf
    Else
       ' Contact the Filter
       TCPSock.SendData "HEARTBEAT" & vbCrLf
    End If
   
End Sub

Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
    
    responseNumber = responseNumber + 1
    
    ' Get the line from the server.
    TCPSock.GetData response, vbString, bytesTotal
    
    ' Remove linefeeds and returns from the line.
    response = Replace(response, Chr(13), "")
    response = Replace(response, Chr(10), "")
    Text4.Text = Text4.Text & vbCrLf & response
    
    If connected = False Then
        ' Perform TCP configuration (1.1)
        On Error GoTo configError
        Select Case responseNumber
            Case 1:
                If Not response = "OK" Then GoTo configError
                TCPSock.SendData "LASTMODIFIED" & vbCrLf
            Case 2:
                If response = "ERROR" Then GoTo configError
                lastModified = response
                TCPSock.SendData "FILELIST" & vbCrLf
            Case 3:
                If response = "ERROR" Then GoTo configError
                fileList = response
                TCPSock.SendData "UDPUpdateTime" & vbCrLf
            Case 4:
                If response = "ERROR" Then GoTo configError
                UDPUpdateTime = response
                TCPSock.SendData "TCPUpdateTime" & vbCrLf
            Case 5:
                If response = "ERROR" Then GoTo configError
                TCPUpdateTime = response
                TCPSock.SendData "ENDCONFIG" & vbCrLf
            Case 6:
                If Not response = "OK" Then GoTo configError
                TCPSock.SendData "FILTER" & vbCrLf
            Case 7:
                'we got a filter list here.
                readTo = 0
                ' get hostname
                readTo = InStr(1, response, ";", vbBinaryCompare)
                filterHostname = Mid(response, 1, readTo - 1)
                response = Mid(response, readTo + 1, Len(response))
                ' get UDP Port number
                readTo = InStr(1, response, ";")
                filterUDPPort = Mid(response, 1, readTo - 1)
                response = Mid(response, readTo + 1, Len(response))
                ' get TCP Port number
                filterTCPPort = response
                TCPSock.SendData "END" & vbCrLf
            Case 8:
                If Not response = "OK" Then GoTo configError
                connected = True
                responseNumber = 0
                TCPSock.Close
                Text4.Text = Text4.Text & vbCrLf & "  <closed>"
                Label1.Caption = "TCP hearbeat interval: " & UDPUpdateTime
                Label2.Caption = "UDP packet interval: " & TCPUpdateTime
                Status.Caption = "i-scream Winhost " & protocolVersion & " - got config okay"
                Label3.Caption = UDPUpdateTime
                Label4.Caption = TCPUpdateTime
                Timer1.Interval = 1000
        End Select
    Else
        ' Perform a heartbeat (1.1)
        On Error GoTo heartbeatError
        Select Case responseNumber
            Case 1:
                If Not response = "OK" Then GoTo heartbeatError
                TCPSock.SendData "CONFIG" & vbCrLf
            Case 2:
                If Not response = "OK" Then GoTo heartbeatError
                TCPSock.SendData fileList & vbCrLf
            Case 3:
                If Not response = "OK" Then GoTo heartbeatError
                TCPSock.SendData lastModified & vbCrLf
            Case 4:
                If Not response = "OK" Then GoTo heartbeatError
                TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
            Case 5:
                If Not response = "OK" Then GoTo heartbeatError
                TCPSock.Close
                Status.Caption = "i-scream Winhost " & protocolVersion & " - heartbeat sent okay."
        End Select
    
    End If
    
    
    Exit Sub
    
configError:
    Status.Caption = "i-scream Winhost " & protocolVersion & " - FAILED to get configuration " & Err.Description
    Exit Sub
heartbeatError:
    Status.Caption = "i-scream Winhost " & protocolVersion & " - Heatbeat FAILED " & Err.Description
    Exit Sub
End Sub

Private Sub TCPTimer_Timer()
    
    ' establish a TCP connection to a filter
    TCPSock.Close
    TCPSock.Connect filterHostname, filterTCPPort

End Sub

Private Sub UDPTimer_Timer()
    
    ' build the contents of the XML packet.
    xml = "<packet></packet>"

    ' Use the first winsock control to send a UDP packet.
    UDPSock.RemoteHost = filterHostname
    UDPSock.RemotePort = filterUDPPort
    UDPSock.SendData xml
    Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."

End Sub

Private Sub Timer1_Timer()

    Label3.Caption = Label3.Caption - 1
    Label4.Caption = Label4.Caption - 1
    
    Status.Caption = "i-scream Winhost " & protocolVersion
    
    If Label3.Caption < 1 Then
        ' build the contents of the XML packet.
        xml = "<packet></packet>"

        ' Use the first winsock control to send a UDP packet.
        UDPSock.RemoteHost = filterHostname
        UDPSock.RemotePort = filterUDPPort
        UDPSock.SendData xml
        Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
        Label3.Caption = UDPUpdateTime
    End If
    
    If Label4.Caption < 1 Then
        ' establish a TCP connection to a filter
        TCPSock.Close
        TCPSock.Connect filterHostname, filterTCPPort
        Label4.Caption = TCPUpdateTime
    End If

End Sub
Revision:	1.8
Committed:	Fri Feb 23 11:25:35 2001 UTC (23 years, 9 months ago) by pjm2
Branch:	MAIN
Changes since 1.7:	+72 -7 lines
Log Message:	VB Timer limit was ~65000 milliseconds. The two timers have been removed and replaced with a single timer to allow TCP/UDP intervals greater than 65 seconds.
#	User	Rev	Content
1	pjm2	1.1	VERSION 5.00
2			Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
3			Begin VB.Form Form1
4			BorderStyle = 3 'Fixed Dialog
5			Caption = "TCP/UDP Test program"
6			ClientHeight = 5655
7			ClientLeft = 45
8			ClientTop = 330
9			ClientWidth = 5670
10			LinkTopic = "Form1"
11			MaxButton = 0 'False
12			MinButton = 0 'False
13			ScaleHeight = 5655
14			ScaleWidth = 5670
15			ShowInTaskbar = 0 'False
16			StartUpPosition = 3 'Windows Default
17	pjm2	1.8	Begin VB.Timer Timer1
18	pjm2	1.7	Left = 3840
19			Top = 120
20			End
21	pjm2	1.1	Begin VB.CommandButton Command3
22			Caption = "TCP to Filter"
23			Height = 375
24			Left = 3720
25	pjm2	1.6	TabIndex = 3
26	pjm2	1.1	Top = 2520
27			Width = 1575
28			End
29			Begin VB.TextBox Text4
30	pjm2	1.6	Height = 1575
31	pjm2	1.1	Left = 240
32			MultiLine = -1 'True
33			ScrollBars = 2 'Vertical
34	pjm2	1.6	TabIndex = 2
35	pjm2	1.1	Text = "nettest.frx":0000
36			Top = 3000
37			Width = 5055
38			End
39			Begin VB.CommandButton Command2
40			Caption = "TCP to FilterManager"
41			Height = 375
42			Left = 3360
43	pjm2	1.6	TabIndex = 1
44	pjm2	1.1	Top = 2040
45			Width = 1935
46			End
47	pjm2	1.5	Begin MSWinsockLib.Winsock TCPSock
48	pjm2	1.1	Left = 4920
49			Top = 120
50			_ExtentX = 741
51			_ExtentY = 741
52			_Version = 393216
53			End
54			Begin VB.CommandButton Command1
55			Caption = "Send UDP"
56			Height = 375
57			Left = 4320
58	pjm2	1.6	TabIndex = 0
59	pjm2	1.1	Top = 1560
60			Width = 975
61			End
62	pjm2	1.5	Begin MSWinsockLib.Winsock UDPSock
63	pjm2	1.1	Left = 4320
64			Top = 120
65			_ExtentX = 741
66			_ExtentY = 741
67			_Version = 393216
68			Protocol = 1
69			End
70	pjm2	1.8	Begin VB.Label Label4
71			Caption = "Label4"
72			Height = 255
73			Left = 1920
74			TabIndex = 8
75			Top = 1320
76			Width = 615
77			End
78			Begin VB.Label Label3
79			Caption = "Label3"
80			Height = 255
81			Left = 1920
82			TabIndex = 7
83			Top = 960
84			Width = 615
85			End
86	pjm2	1.7	Begin VB.Label Label2
87			Caption = "Label2"
88			Height = 255
89			Left = 120
90			TabIndex = 6
91			Top = 600
92			Width = 3375
93			End
94			Begin VB.Label Label1
95			Caption = "Label1"
96			Height = 255
97			Left = 120
98			TabIndex = 5
99			Top = 240
100			Width = 3375
101			End
102	pjm2	1.6	Begin VB.Label Status
103			Caption = "Status:"
104	pjm2	1.1	Height = 255
105	pjm2	1.6	Left = 120
106			TabIndex = 4
107			Top = 5280
108			Width = 5415
109	pjm2	1.1	End
110			End
111			Attribute VB_Name = "Form1"
112			Attribute VB_GlobalNameSpace = False
113			Attribute VB_Creatable = False
114			Attribute VB_PredeclaredId = True
115			Attribute VB_Exposed = False
116	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
117			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
118
119			Dim filterManagerHostname As String
120			Dim filterManagerTCPPort As Integer
121
122	pjm2	1.2	Dim filterHostname As String
123	pjm2	1.3	Dim filterTCPPort As Integer
124			Dim filterUDPPort As Integer
125			Dim fileList As String
126			Dim lastModified As String
127	pjm2	1.2
128	pjm2	1.7	Dim UDPUpdateTime As Integer
129			Dim TCPUpdateTime As Integer
130
131	pjm2	1.2	Dim protocolVersion As String
132			Dim connected As Boolean
133	pjm2	1.1	Dim responseNumber As Integer
134
135
136			Private Sub Command1_Click()
137
138	pjm2	1.5	' build the contents of the XML packet.
139	pjm2	1.4	xml = "<packet></packet>"
140
141	pjm2	1.2	' Use the first winsock control to send a UDP packet.
142	pjm2	1.5	UDPSock.RemoteHost = filterHostname
143			UDPSock.RemotePort = filterUDPPort
144			UDPSock.SendData xml
145	pjm2	1.6	Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
146	pjm2	1.1
147			End Sub
148
149			Private Sub Command2_Click()
150
151	pjm2	1.3	' establish a TCP connection to a filtermanager
152	pjm2	1.5	TCPSock.Close
153			TCPSock.Connect filterManagerHostname, filterManagerTCPPort
154	pjm2	1.1
155			End Sub
156
157			Private Sub Command3_Click()
158	pjm2	1.3	' establish a TCP connection to a filter
159	pjm2	1.5	TCPSock.Close
160			TCPSock.Connect filterHostname, filterTCPPort
161	pjm2	1.1	End Sub
162
163	pjm2	1.2	Private Sub Form_Load()
164			protocolVersion = "1.1"
165	pjm2	1.4
166	pjm2	1.6	Status.Caption = "i-scream Winhost " & protocolVersion
167
168	pjm2	1.4	''''TEMP
169			filterManagerHostname = "killigrew.ukc.ac.uk"
170			filterManagerTCPPort = 4567
171			Exit Sub
172			''' ENDTEMP
173
174			On Error GoTo iniError
175			Dim buf As String * 256
176			Dim length As Long
177			length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
178			filterManagerHostname = Left$(buf, length)
179			length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
180			filterManagerTCPPort = Left$(buf, length)
181
182	pjm2	1.6	Status.Caption = "i-scream Winhost " & protocolVersion & " connecting to Filter Manager"
183
184	pjm2	1.4	Exit Sub
185
186			iniError:
187			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")
188			End
189
190			End Sub
191
192	pjm2	1.5	Private Sub TCPSock_Connect()
193	pjm2	1.6
194			responseNumber = 0
195	pjm2	1.1
196	pjm2	1.3	' Send something as soon as we connect to the server.
197			If connected = False Then
198			' contact the FilterManager
199	pjm2	1.5	TCPSock.SendData "STARTCONFIG" & vbCrLf
200	pjm2	1.3	Else
201			' Contact the Filter
202	pjm2	1.5	TCPSock.SendData "HEARTBEAT" & vbCrLf
203	pjm2	1.3	End If
204	pjm2	1.1
205			End Sub
206
207	pjm2	1.5	Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
208	pjm2	1.1
209			responseNumber = responseNumber + 1
210
211			' Get the line from the server.
212	pjm2	1.5	TCPSock.GetData response, vbString, bytesTotal
213	pjm2	1.1
214			' Remove linefeeds and returns from the line.
215			response = Replace(response, Chr(13), "")
216			response = Replace(response, Chr(10), "")
217			Text4.Text = Text4.Text & vbCrLf & response
218
219	pjm2	1.2	If connected = False Then
220			' Perform TCP configuration (1.1)
221			On Error GoTo configError
222			Select Case responseNumber
223			Case 1:
224			If Not response = "OK" Then GoTo configError
225	pjm2	1.5	TCPSock.SendData "LASTMODIFIED" & vbCrLf
226	pjm2	1.2	Case 2:
227			If response = "ERROR" Then GoTo configError
228	pjm2	1.3	lastModified = response
229	pjm2	1.5	TCPSock.SendData "FILELIST" & vbCrLf
230	pjm2	1.2	Case 3:
231			If response = "ERROR" Then GoTo configError
232	pjm2	1.3	fileList = response
233	pjm2	1.5	TCPSock.SendData "UDPUpdateTime" & vbCrLf
234	pjm2	1.2	Case 4:
235			If response = "ERROR" Then GoTo configError
236	pjm2	1.7	UDPUpdateTime = response
237	pjm2	1.5	TCPSock.SendData "TCPUpdateTime" & vbCrLf
238	pjm2	1.2	Case 5:
239			If response = "ERROR" Then GoTo configError
240	pjm2	1.7	TCPUpdateTime = response
241	pjm2	1.5	TCPSock.SendData "ENDCONFIG" & vbCrLf
242	pjm2	1.2	Case 6:
243			If Not response = "OK" Then GoTo configError
244	pjm2	1.5	TCPSock.SendData "FILTER" & vbCrLf
245	pjm2	1.2	Case 7:
246			'we got a filter list here.
247			readTo = 0
248			' get hostname
249			readTo = InStr(1, response, ";", vbBinaryCompare)
250			filterHostname = Mid(response, 1, readTo - 1)
251			response = Mid(response, readTo + 1, Len(response))
252			' get UDP Port number
253			readTo = InStr(1, response, ";")
254			filterUDPPort = Mid(response, 1, readTo - 1)
255			response = Mid(response, readTo + 1, Len(response))
256			' get TCP Port number
257			filterTCPPort = response
258	pjm2	1.5	TCPSock.SendData "END" & vbCrLf
259	pjm2	1.2	Case 8:
260			If Not response = "OK" Then GoTo configError
261			connected = True
262			responseNumber = 0
263	pjm2	1.5	TCPSock.Close
264	pjm2	1.2	Text4.Text = Text4.Text & vbCrLf & " <closed>"
265	pjm2	1.7	Label1.Caption = "TCP hearbeat interval: " & UDPUpdateTime
266			Label2.Caption = "UDP packet interval: " & TCPUpdateTime
267	pjm2	1.6	Status.Caption = "i-scream Winhost " & protocolVersion & " - got config okay"
268	pjm2	1.8	Label3.Caption = UDPUpdateTime
269			Label4.Caption = TCPUpdateTime
270			Timer1.Interval = 1000
271	pjm2	1.2	End Select
272			Else
273			' Perform a heartbeat (1.1)
274			On Error GoTo heartbeatError
275			Select Case responseNumber
276			Case 1:
277	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
278	pjm2	1.5	TCPSock.SendData "CONFIG" & vbCrLf
279	pjm2	1.2	Case 2:
280	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
281	pjm2	1.5	TCPSock.SendData fileList & vbCrLf
282	pjm2	1.2	Case 3:
283	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
284	pjm2	1.5	TCPSock.SendData lastModified & vbCrLf
285	pjm2	1.2	Case 4:
286	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
287	pjm2	1.5	TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
288	pjm2	1.2	Case 5:
289	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
290	pjm2	1.5	TCPSock.Close
291	pjm2	1.6	Status.Caption = "i-scream Winhost " & protocolVersion & " - heartbeat sent okay."
292	pjm2	1.2	End Select
293
294			End If
295
296
297			Exit Sub
298
299			configError:
300	pjm2	1.8	Status.Caption = "i-scream Winhost " & protocolVersion & " - FAILED to get configuration " & Err.Description
301			Exit Sub
302	pjm2	1.2	heartbeatError:
303	pjm2	1.8	Status.Caption = "i-scream Winhost " & protocolVersion & " - Heatbeat FAILED " & Err.Description
304			Exit Sub
305	pjm2	1.1	End Sub
306	pjm2	1.5
307	pjm2	1.8	Private Sub TCPTimer_Timer()
308
309			' establish a TCP connection to a filter
310			TCPSock.Close
311			TCPSock.Connect filterHostname, filterTCPPort
312
313			End Sub
314
315			Private Sub UDPTimer_Timer()
316
317			' build the contents of the XML packet.
318			xml = "<packet></packet>"
319
320			' Use the first winsock control to send a UDP packet.
321			UDPSock.RemoteHost = filterHostname
322			UDPSock.RemotePort = filterUDPPort
323			UDPSock.SendData xml
324			Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
325
326			End Sub
327
328			Private Sub Timer1_Timer()
329
330			Label3.Caption = Label3.Caption - 1
331			Label4.Caption = Label4.Caption - 1
332
333			Status.Caption = "i-scream Winhost " & protocolVersion
334
335			If Label3.Caption < 1 Then
336			' build the contents of the XML packet.
337			xml = "<packet></packet>"
338
339			' Use the first winsock control to send a UDP packet.
340			UDPSock.RemoteHost = filterHostname
341			UDPSock.RemotePort = filterUDPPort
342			UDPSock.SendData xml
343			Status.Caption = "i-scream Winhost " & protocolVersion & " - UDP packet sent."
344			Label3.Caption = UDPUpdateTime
345			End If
346
347			If Label4.Caption < 1 Then
348			' establish a TCP connection to a filter
349			TCPSock.Close
350			TCPSock.Connect filterHostname, filterTCPPort
351			Label4.Caption = TCPUpdateTime
352			End If
353
354			End Sub