host/winhost/nettest.frm

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Object = "{33155A3D-0CE0-11D1-A6B4-444553540000}#1.0#0"; "SysTray.ocx"
Begin VB.Form Form1 
   BorderStyle     =   4  'Fixed ToolWindow
   Caption         =   "i-scream Winhost"
   ClientHeight    =   5655
   ClientLeft      =   45
   ClientTop       =   285
   ClientWidth     =   4710
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   5655
   ScaleWidth      =   4710
   ShowInTaskbar   =   0   'False
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Hide 
      Caption         =   "Hide Window"
      Height          =   375
      Left            =   3120
      TabIndex        =   7
      Top             =   840
      Width           =   1455
   End
   Begin SysTray.SystemTray SystemTray 
      Left            =   2160
      Top             =   1800
      _ExtentX        =   847
      _ExtentY        =   847
      SysTrayText     =   "i-scream Winhost"
      IconFile        =   0
   End
   Begin VB.Timer Timer1 
      Left            =   2760
      Top             =   1800
   End
   Begin VB.TextBox Text4 
      Height          =   1575
      Left            =   240
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   1
      Text            =   "nettest.frx":0000
      Top             =   3000
      Width           =   3975
   End
   Begin VB.CommandButton Reconfigure 
      Caption         =   "Reconfigure with FilterManager"
      Height          =   375
      Left            =   120
      TabIndex        =   0
      Top             =   840
      Width           =   2895
   End
   Begin MSWinsockLib.Winsock TCPSock 
      Left            =   3720
      Top             =   1800
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin MSWinsockLib.Winsock UDPSock 
      Left            =   3240
      Top             =   1800
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
      Protocol        =   1
   End
   Begin VB.Label Label2 
      Alignment       =   1  'Right Justify
      Caption         =   "Next heartbeat:"
      Height          =   255
      Left            =   2400
      TabIndex        =   6
      Top             =   480
      Width           =   1455
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "Next UDP packet:"
      Height          =   255
      Left            =   2400
      TabIndex        =   5
      Top             =   120
      Width           =   1455
   End
   Begin VB.Label Label4 
      BorderStyle     =   1  'Fixed Single
      Caption         =   "0"
      Height          =   255
      Left            =   3960
      TabIndex        =   4
      Top             =   480
      Width           =   615
   End
   Begin VB.Label Label3 
      BorderStyle     =   1  'Fixed Single
      Caption         =   "0"
      Height          =   255
      Left            =   3960
      TabIndex        =   3
      Top             =   120
      Width           =   615
   End
   Begin VB.Label Status 
      Alignment       =   2  'Center
      Caption         =   "Status:"
      Height          =   255
      Left            =   120
      TabIndex        =   2
      Top             =   1320
      Width           =   4455
   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 seqNo As Long
Dim machineName As String

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 Form_Load()
    
    protocolVersion = "1.1"
    
    Status.Caption = "Loading"
    Form1.Caption = "i-scream Winhost " & protocolVersion
    
    ''''TEMP
    filterManagerHostname = "killigrew.ukc.ac.uk"
    filterManagerTCPPort = 4567
    ''''' END TEMP
    
    GoTo skip
    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)
skip:

    Status.Caption = "Connecting to Filter Manager"
    Reconfigure_Click
    
    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 Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
    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")
    If x = 7 Then
        Cancel = True
    End If
    SystemTray.Action = 2

End Sub

Private Sub Hide_Click()
    Form1.Visible = False
    SystemTray.Icon = Val(Form1.Icon)
    SystemTray.Action = 0
End Sub

Private Sub Reconfigure_Click()
    ' establish a TCP connection to a filtermanager
    connected = False
    TCPSock.Close
    TCPSock.Connect filterManagerHostname, filterManagerTCPPort
End Sub


Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)

    Form1.Visible = True
    SystemTray.Action = 2
    Form1.SetFocus
    

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>"
                Status.Caption = "Configuration successful"
                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 = "Heartbeat sent successfully."
        End Select
    
    End If
    
    
    Exit Sub
    
configError:
    Status.Caption = "FAILED to get configuration"
    Exit Sub
heartbeatError:
    Status.Caption = "Heatbeat FAILED"
    Exit Sub
End Sub

Private Sub Timer1_Timer()

    Label3.Caption = Label3.Caption - 1
    Label4.Caption = Label4.Caption - 1
    
    Status.Caption = ""
    
    If Label3.Caption < 1 Then
        ' build the contents of the XML packet.
        localIP = TCPSock.localIP
        machineName = TCPSock.LocalHostName
        seqNo = seqNo + 1
        packetDate = Date2Num()
        xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & localIP & """>" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              "" & _
              ""
        Text4.Text = Text4.Text + xml

        ' Use the first winsock control to send a UDP packet.
        UDPSock.RemoteHost = filterHostname
        UDPSock.RemotePort = filterUDPPort
        UDPSock.SendData xml
        Status.Caption = "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

Function Date2Num() As Long
    Dim x As Long
    x = DateDiff("s", "1-1-1970", Now)
    Date2Num = x
End Function
Revision:	1.14
Committed:	Fri Feb 23 13:27:09 2001 UTC (23 years, 9 months ago) by pjm2
Branch:	MAIN
Changes since 1.13:	+4 -3 lines
Log Message:	Date is sent correctly formatted as seconds since 1-1-1970
#	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	1.10	BorderStyle = 4 'Fixed ToolWindow
6			Caption = "i-scream Winhost"
7	pjm2	1.1	ClientHeight = 5655
8			ClientLeft = 45
9	pjm2	1.10	ClientTop = 285
10	pjm2	1.12	ClientWidth = 4710
11	pjm2	1.1	LinkTopic = "Form1"
12			MaxButton = 0 'False
13			ScaleHeight = 5655
14	pjm2	1.12	ScaleWidth = 4710
15	pjm2	1.1	ShowInTaskbar = 0 'False
16			StartUpPosition = 3 'Windows Default
17	pjm2	1.11	Begin VB.CommandButton Hide
18	pjm2	1.12	Caption = "Hide Window"
19			Height = 375
20			Left = 3120
21	pjm2	1.11	TabIndex = 7
22	pjm2	1.12	Top = 840
23			Width = 1455
24	pjm2	1.11	End
25			Begin SysTray.SystemTray SystemTray
26	pjm2	1.12	Left = 2160
27			Top = 1800
28	pjm2	1.11	_ExtentX = 847
29			_ExtentY = 847
30			SysTrayText = "i-scream Winhost"
31			IconFile = 0
32			End
33	pjm2	1.8	Begin VB.Timer Timer1
34	pjm2	1.12	Left = 2760
35			Top = 1800
36	pjm2	1.1	End
37			Begin VB.TextBox Text4
38	pjm2	1.6	Height = 1575
39	pjm2	1.1	Left = 240
40			MultiLine = -1 'True
41			ScrollBars = 2 'Vertical
42	pjm2	1.10	TabIndex = 1
43	pjm2	1.1	Text = "nettest.frx":0000
44			Top = 3000
45	pjm2	1.12	Width = 3975
46	pjm2	1.1	End
47	pjm2	1.10	Begin VB.CommandButton Reconfigure
48			Caption = "Reconfigure with FilterManager"
49	pjm2	1.12	Height = 375
50	pjm2	1.10	Left = 120
51			TabIndex = 0
52	pjm2	1.12	Top = 840
53	pjm2	1.10	Width = 2895
54	pjm2	1.1	End
55	pjm2	1.5	Begin MSWinsockLib.Winsock TCPSock
56	pjm2	1.12	Left = 3720
57			Top = 1800
58	pjm2	1.1	_ExtentX = 741
59			_ExtentY = 741
60			_Version = 393216
61			End
62	pjm2	1.5	Begin MSWinsockLib.Winsock UDPSock
63	pjm2	1.12	Left = 3240
64			Top = 1800
65	pjm2	1.1	_ExtentX = 741
66			_ExtentY = 741
67			_Version = 393216
68			Protocol = 1
69			End
70	pjm2	1.9	Begin VB.Label Label2
71			Alignment = 1 'Right Justify
72			Caption = "Next heartbeat:"
73	pjm2	1.8	Height = 255
74	pjm2	1.12	Left = 2400
75	pjm2	1.10	TabIndex = 6
76	pjm2	1.9	Top = 480
77			Width = 1455
78	pjm2	1.8	End
79	pjm2	1.9	Begin VB.Label Label1
80			Alignment = 1 'Right Justify
81			Caption = "Next UDP packet:"
82	pjm2	1.8	Height = 255
83	pjm2	1.12	Left = 2400
84	pjm2	1.10	TabIndex = 5
85	pjm2	1.9	Top = 120
86			Width = 1455
87	pjm2	1.8	End
88	pjm2	1.9	Begin VB.Label Label4
89	pjm2	1.10	BorderStyle = 1 'Fixed Single
90	pjm2	1.9	Caption = "0"
91	pjm2	1.7	Height = 255
92	pjm2	1.12	Left = 3960
93	pjm2	1.10	TabIndex = 4
94	pjm2	1.9	Top = 480
95			Width = 615
96	pjm2	1.7	End
97	pjm2	1.9	Begin VB.Label Label3
98	pjm2	1.10	BorderStyle = 1 'Fixed Single
99	pjm2	1.9	Caption = "0"
100	pjm2	1.7	Height = 255
101	pjm2	1.12	Left = 3960
102	pjm2	1.10	TabIndex = 3
103	pjm2	1.9	Top = 120
104			Width = 615
105	pjm2	1.7	End
106	pjm2	1.6	Begin VB.Label Status
107	pjm2	1.12	Alignment = 2 'Center
108	pjm2	1.6	Caption = "Status:"
109	pjm2	1.1	Height = 255
110	pjm2	1.6	Left = 120
111	pjm2	1.10	TabIndex = 2
112	pjm2	1.12	Top = 1320
113			Width = 4455
114	pjm2	1.1	End
115			End
116			Attribute VB_Name = "Form1"
117			Attribute VB_GlobalNameSpace = False
118			Attribute VB_Creatable = False
119			Attribute VB_PredeclaredId = True
120			Attribute VB_Exposed = False
121	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
122			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
123
124			Dim filterManagerHostname As String
125			Dim filterManagerTCPPort As Integer
126
127	pjm2	1.13	Dim seqNo As Long
128			Dim machineName As String
129
130	pjm2	1.2	Dim filterHostname As String
131	pjm2	1.3	Dim filterTCPPort As Integer
132			Dim filterUDPPort As Integer
133			Dim fileList As String
134			Dim lastModified As String
135	pjm2	1.2
136	pjm2	1.7	Dim UDPUpdateTime As Integer
137			Dim TCPUpdateTime As Integer
138
139	pjm2	1.2	Dim protocolVersion As String
140			Dim connected As Boolean
141	pjm2	1.1	Dim responseNumber As Integer
142
143	pjm2	1.2	Private Sub Form_Load()
144	pjm2	1.13
145	pjm2	1.2	protocolVersion = "1.1"
146	pjm2	1.13
147	pjm2	1.10	Status.Caption = "Loading"
148			Form1.Caption = "i-scream Winhost " & protocolVersion
149	pjm2	1.6
150	pjm2	1.4	''''TEMP
151			filterManagerHostname = "killigrew.ukc.ac.uk"
152			filterManagerTCPPort = 4567
153	pjm2	1.13	''''' END TEMP
154	pjm2	1.4
155	pjm2	1.13	GoTo skip
156	pjm2	1.4	On Error GoTo iniError
157			Dim buf As String * 256
158			Dim length As Long
159			length = GetPrivateProfileString("i-scream Winhost", "FilterManager", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
160			filterManagerHostname = Left$(buf, length)
161			length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "<no value>", buf, Len(buf), App.Path & "winhost.ini")
162			filterManagerTCPPort = Left$(buf, length)
163	pjm2	1.13	skip:
164
165	pjm2	1.10	Status.Caption = "Connecting to Filter Manager"
166	pjm2	1.13	Reconfigure_Click
167	pjm2	1.6
168	pjm2	1.4	Exit Sub
169
170			iniError:
171			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")
172			End
173
174			End Sub
175
176	pjm2	1.10	Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
177	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")
178	pjm2	1.10	If x = 7 Then
179			Cancel = True
180			End If
181	pjm2	1.12	SystemTray.Action = 2
182	pjm2	1.10
183			End Sub
184
185	pjm2	1.11	Private Sub Hide_Click()
186			Form1.Visible = False
187			SystemTray.Icon = Val(Form1.Icon)
188			SystemTray.Action = 0
189			End Sub
190
191	pjm2	1.10	Private Sub Reconfigure_Click()
192			' establish a TCP connection to a filtermanager
193			connected = False
194			TCPSock.Close
195			TCPSock.Connect filterManagerHostname, filterManagerTCPPort
196	pjm2	1.11	End Sub
197
198
199
200			Private Sub SystemTray_MouseDblClk(ByVal Button As Integer)
201
202			Form1.Visible = True
203	pjm2	1.12	SystemTray.Action = 2
204	pjm2	1.11	Form1.SetFocus
205	pjm2	1.12
206	pjm2	1.11
207	pjm2	1.10	End Sub
208
209	pjm2	1.5	Private Sub TCPSock_Connect()
210	pjm2	1.6
211			responseNumber = 0
212	pjm2	1.1
213	pjm2	1.3	' Send something as soon as we connect to the server.
214			If connected = False Then
215			' contact the FilterManager
216	pjm2	1.5	TCPSock.SendData "STARTCONFIG" & vbCrLf
217	pjm2	1.3	Else
218			' Contact the Filter
219	pjm2	1.5	TCPSock.SendData "HEARTBEAT" & vbCrLf
220	pjm2	1.3	End If
221	pjm2	1.1
222			End Sub
223
224	pjm2	1.5	Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
225	pjm2	1.1
226			responseNumber = responseNumber + 1
227
228			' Get the line from the server.
229	pjm2	1.5	TCPSock.GetData response, vbString, bytesTotal
230	pjm2	1.1
231			' Remove linefeeds and returns from the line.
232			response = Replace(response, Chr(13), "")
233			response = Replace(response, Chr(10), "")
234			Text4.Text = Text4.Text & vbCrLf & response
235
236	pjm2	1.2	If connected = False Then
237			' Perform TCP configuration (1.1)
238			On Error GoTo configError
239			Select Case responseNumber
240			Case 1:
241			If Not response = "OK" Then GoTo configError
242	pjm2	1.5	TCPSock.SendData "LASTMODIFIED" & vbCrLf
243	pjm2	1.2	Case 2:
244			If response = "ERROR" Then GoTo configError
245	pjm2	1.3	lastModified = response
246	pjm2	1.5	TCPSock.SendData "FILELIST" & vbCrLf
247	pjm2	1.2	Case 3:
248			If response = "ERROR" Then GoTo configError
249	pjm2	1.3	fileList = response
250	pjm2	1.5	TCPSock.SendData "UDPUpdateTime" & vbCrLf
251	pjm2	1.2	Case 4:
252			If response = "ERROR" Then GoTo configError
253	pjm2	1.7	UDPUpdateTime = response
254	pjm2	1.5	TCPSock.SendData "TCPUpdateTime" & vbCrLf
255	pjm2	1.2	Case 5:
256			If response = "ERROR" Then GoTo configError
257	pjm2	1.7	TCPUpdateTime = response
258	pjm2	1.5	TCPSock.SendData "ENDCONFIG" & vbCrLf
259	pjm2	1.2	Case 6:
260			If Not response = "OK" Then GoTo configError
261	pjm2	1.5	TCPSock.SendData "FILTER" & vbCrLf
262	pjm2	1.2	Case 7:
263			'we got a filter list here.
264			readTo = 0
265			' get hostname
266			readTo = InStr(1, response, ";", vbBinaryCompare)
267			filterHostname = Mid(response, 1, readTo - 1)
268			response = Mid(response, readTo + 1, Len(response))
269			' get UDP Port number
270			readTo = InStr(1, response, ";")
271			filterUDPPort = Mid(response, 1, readTo - 1)
272			response = Mid(response, readTo + 1, Len(response))
273			' get TCP Port number
274			filterTCPPort = response
275	pjm2	1.5	TCPSock.SendData "END" & vbCrLf
276	pjm2	1.2	Case 8:
277			If Not response = "OK" Then GoTo configError
278			connected = True
279			responseNumber = 0
280	pjm2	1.5	TCPSock.Close
281	pjm2	1.2	Text4.Text = Text4.Text & vbCrLf & " <closed>"
282	pjm2	1.10	Status.Caption = "Configuration successful"
283	pjm2	1.8	Label3.Caption = UDPUpdateTime
284			Label4.Caption = TCPUpdateTime
285			Timer1.Interval = 1000
286	pjm2	1.2	End Select
287			Else
288			' Perform a heartbeat (1.1)
289			On Error GoTo heartbeatError
290			Select Case responseNumber
291			Case 1:
292	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
293	pjm2	1.5	TCPSock.SendData "CONFIG" & vbCrLf
294	pjm2	1.2	Case 2:
295	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
296	pjm2	1.5	TCPSock.SendData fileList & vbCrLf
297	pjm2	1.2	Case 3:
298	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
299	pjm2	1.5	TCPSock.SendData lastModified & vbCrLf
300	pjm2	1.2	Case 4:
301	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
302	pjm2	1.5	TCPSock.SendData "ENDHEARTBEAT" & vbCrLf
303	pjm2	1.2	Case 5:
304	pjm2	1.3	If Not response = "OK" Then GoTo heartbeatError
305	pjm2	1.5	TCPSock.Close
306	pjm2	1.10	Status.Caption = "Heartbeat sent successfully."
307	pjm2	1.2	End Select
308
309			End If
310
311
312			Exit Sub
313
314			configError:
315	pjm2	1.10	Status.Caption = "FAILED to get configuration"
316	pjm2	1.8	Exit Sub
317	pjm2	1.2	heartbeatError:
318	pjm2	1.10	Status.Caption = "Heatbeat FAILED"
319	pjm2	1.8	Exit Sub
320	pjm2	1.1	End Sub
321	pjm2	1.5
322	pjm2	1.8	Private Sub Timer1_Timer()
323
324			Label3.Caption = Label3.Caption - 1
325			Label4.Caption = Label4.Caption - 1
326
327	pjm2	1.10	Status.Caption = ""
328	pjm2	1.8
329			If Label3.Caption < 1 Then
330			' build the contents of the XML packet.
331	pjm2	1.13	localIP = TCPSock.localIP
332			machineName = TCPSock.LocalHostName
333			seqNo = seqNo + 1
334	pjm2	1.14	packetDate = Date2Num()
335	pjm2	1.13	xml = "<packet seq_no=""" & seqNo & """ machine_name=""" & machineName & """ date=""" & packetDate & """ type=""data"" ip=""" & localIP & """>" & _
336			"" & _
337			"" & _
338			"" & _
339			"" & _
340			"" & _
341			"" & _
342			"" & _
343			"" & _
344			"" & _
345			"" & _
346			"" & _
347			"" & _
348			"" & _
349			"" & _
350			""
351			Text4.Text = Text4.Text + xml
352	pjm2	1.8
353			' Use the first winsock control to send a UDP packet.
354			UDPSock.RemoteHost = filterHostname
355			UDPSock.RemotePort = filterUDPPort
356			UDPSock.SendData xml
357	pjm2	1.10	Status.Caption = "UDP packet sent"
358	pjm2	1.8	Label3.Caption = UDPUpdateTime
359			End If
360
361			If Label4.Caption < 1 Then
362			' establish a TCP connection to a filter
363			TCPSock.Close
364			TCPSock.Connect filterHostname, filterTCPPort
365			Label4.Caption = TCPUpdateTime
366			End If
367
368			End Sub
369	pjm2	1.13
370			Function Date2Num() As Long
371	pjm2	1.14	Dim x As Long
372			x = DateDiff("s", "1-1-1970", Now)
373			Date2Num = x
374	pjm2	1.13	End Function