| 119 |
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Attribute VB_Creatable = False |
| 120 |
|
Attribute VB_PredeclaredId = True |
| 121 |
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Attribute VB_Exposed = False |
| 122 |
+ |
Dim filterHostname As String |
| 123 |
+ |
Dim filterTCPPort As Integer |
| 124 |
+ |
Dim filterUDPPort As Integer |
| 125 |
+ |
Dim fileList As String |
| 126 |
+ |
Dim lastModified As String |
| 127 |
+ |
|
| 128 |
+ |
Dim protocolVersion As String |
| 129 |
+ |
Dim connected As Boolean |
| 130 |
|
Dim responseNumber As Integer |
| 131 |
|
|
| 132 |
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|
| 133 |
|
Private Sub Command1_Click() |
| 134 |
|
|
| 135 |
< |
' Use the first winsock control to send |
| 128 |
< |
' a UDP packet. |
| 135 |
> |
' Use the first winsock control to send a UDP packet. |
| 136 |
|
Winsock1.RemoteHost = Text3.Text |
| 137 |
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Winsock1.RemotePort = Text2.Text |
| 138 |
|
Winsock1.SendData Text1.Text |
| 141 |
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|
| 142 |
|
Private Sub Command2_Click() |
| 143 |
|
|
| 144 |
< |
' establish a TCP connection to a machine |
| 144 |
> |
' establish a TCP connection to a filtermanager |
| 145 |
|
Winsock2.Close |
| 146 |
|
Winsock2.Connect Text3.Text, Text2.Text |
| 147 |
|
|
| 148 |
|
End Sub |
| 149 |
|
|
| 150 |
|
Private Sub Command3_Click() |
| 151 |
< |
x = MsgBox("not implemented..") |
| 151 |
> |
' establish a TCP connection to a filter |
| 152 |
> |
Winsock2.Close |
| 153 |
> |
Winsock2.Connect filterHostname, filterTCPPort |
| 154 |
|
End Sub |
| 155 |
|
|
| 156 |
+ |
Private Sub Form_Load() |
| 157 |
+ |
protocolVersion = "1.1" |
| 158 |
+ |
End Sub |
| 159 |
+ |
|
| 160 |
|
Private Sub Winsock2_Connect() |
| 161 |
|
|
| 162 |
|
responseNumber = 0 |
| 163 |
|
|
| 164 |
< |
' As soon as we are connected to the server, send this. |
| 165 |
< |
Winsock2.SendData "STARTCONFIG" & vbCrLf |
| 164 |
> |
' Send something as soon as we connect to the server. |
| 165 |
> |
If connected = False Then |
| 166 |
> |
' contact the FilterManager |
| 167 |
> |
Winsock2.SendData "STARTCONFIG" & vbCrLf |
| 168 |
> |
Else |
| 169 |
> |
' Contact the Filter |
| 170 |
> |
Winsock2.SendData "HEARTBEAT" & vbCrLf |
| 171 |
> |
End If |
| 172 |
|
|
| 173 |
|
End Sub |
| 174 |
|
|
| 184 |
|
response = Replace(response, Chr(10), "") |
| 185 |
|
Text4.Text = Text4.Text & vbCrLf & response |
| 186 |
|
|
| 187 |
< |
' Decide what to send back to the server. |
| 188 |
< |
Select Case responseNumber |
| 189 |
< |
Case 1: |
| 190 |
< |
Winsock2.SendData "LASTMODIFIED" & vbCrLf |
| 191 |
< |
Case 2: |
| 192 |
< |
Winsock2.SendData "FILELIST" & vbCrLf |
| 193 |
< |
Case 3: |
| 194 |
< |
Winsock2.SendData "UDPUpdateTime" & vbCrLf |
| 195 |
< |
Case 4: |
| 196 |
< |
Winsock2.SendData "TCPUpdateTime" & vbCrLf |
| 197 |
< |
Case 5: |
| 198 |
< |
Winsock2.SendData "ENDCONFIG" & vbCrLf |
| 199 |
< |
Case 6: |
| 200 |
< |
Winsock2.SendData "FILTER" & vbCrLf |
| 201 |
< |
Case 7: |
| 202 |
< |
Winsock2.SendData "END" & vbCrLf |
| 203 |
< |
Case 8: |
| 204 |
< |
Winsock2.Close |
| 205 |
< |
Text4.Text = Text4.Text & vbCrLf & " <closed>" |
| 206 |
< |
End Select |
| 187 |
> |
If connected = False Then |
| 188 |
> |
' Perform TCP configuration (1.1) |
| 189 |
> |
On Error GoTo configError |
| 190 |
> |
Select Case responseNumber |
| 191 |
> |
Case 1: |
| 192 |
> |
If Not response = "OK" Then GoTo configError |
| 193 |
> |
Winsock2.SendData "LASTMODIFIED" & vbCrLf |
| 194 |
> |
Case 2: |
| 195 |
> |
If response = "ERROR" Then GoTo configError |
| 196 |
> |
lastModified = response |
| 197 |
> |
Winsock2.SendData "FILELIST" & vbCrLf |
| 198 |
> |
Case 3: |
| 199 |
> |
If response = "ERROR" Then GoTo configError |
| 200 |
> |
fileList = response |
| 201 |
> |
Winsock2.SendData "UDPUpdateTime" & vbCrLf |
| 202 |
> |
Case 4: |
| 203 |
> |
If response = "ERROR" Then GoTo configError |
| 204 |
> |
Winsock2.SendData "TCPUpdateTime" & vbCrLf |
| 205 |
> |
Case 5: |
| 206 |
> |
If response = "ERROR" Then GoTo configError |
| 207 |
> |
Winsock2.SendData "ENDCONFIG" & vbCrLf |
| 208 |
> |
Case 6: |
| 209 |
> |
If Not response = "OK" Then GoTo configError |
| 210 |
> |
Winsock2.SendData "FILTER" & vbCrLf |
| 211 |
> |
Case 7: |
| 212 |
> |
'we got a filter list here. |
| 213 |
> |
readTo = 0 |
| 214 |
> |
' get hostname |
| 215 |
> |
readTo = InStr(1, response, ";", vbBinaryCompare) |
| 216 |
> |
filterHostname = Mid(response, 1, readTo - 1) |
| 217 |
> |
response = Mid(response, readTo + 1, Len(response)) |
| 218 |
> |
' get UDP Port number |
| 219 |
> |
readTo = InStr(1, response, ";") |
| 220 |
> |
filterUDPPort = Mid(response, 1, readTo - 1) |
| 221 |
> |
response = Mid(response, readTo + 1, Len(response)) |
| 222 |
> |
' get TCP Port number |
| 223 |
> |
filterTCPPort = response |
| 224 |
> |
Winsock2.SendData "END" & vbCrLf |
| 225 |
> |
Case 8: |
| 226 |
> |
If Not response = "OK" Then GoTo configError |
| 227 |
> |
connected = True |
| 228 |
> |
responseNumber = 0 |
| 229 |
> |
Winsock2.Close |
| 230 |
> |
Text4.Text = Text4.Text & vbCrLf & " <closed>" |
| 231 |
> |
x = MsgBox("got config okay") |
| 232 |
> |
End Select |
| 233 |
> |
Else |
| 234 |
> |
' Perform a heartbeat (1.1) |
| 235 |
> |
On Error GoTo heartbeatError |
| 236 |
> |
Select Case responseNumber |
| 237 |
> |
Case 1: |
| 238 |
> |
If Not response = "OK" Then GoTo heartbeatError |
| 239 |
> |
Winsock2.SendData "CONFIG" & vbCrLf |
| 240 |
> |
Case 2: |
| 241 |
> |
If Not response = "OK" Then GoTo heartbeatError |
| 242 |
> |
Winsock2.SendData fileList & vbCrLf |
| 243 |
> |
Case 3: |
| 244 |
> |
If Not response = "OK" Then GoTo heartbeatError |
| 245 |
> |
Winsock2.SendData lastModified & vbCrLf |
| 246 |
> |
Case 4: |
| 247 |
> |
If Not response = "OK" Then GoTo heartbeatError |
| 248 |
> |
Winsock2.SendData "ENDHEARTBEAT" & vbCrLf |
| 249 |
> |
Case 5: |
| 250 |
> |
If Not response = "OK" Then GoTo heartbeatError |
| 251 |
> |
Winsock2.Close |
| 252 |
> |
x = MsgBox("heartbeat sent okay.") |
| 253 |
> |
End Select |
| 254 |
> |
|
| 255 |
> |
End If |
| 256 |
> |
|
| 257 |
> |
|
| 258 |
> |
Exit Sub |
| 259 |
> |
|
| 260 |
> |
configError: |
| 261 |
> |
x = MsgBox("error doing configuration") |
| 262 |
> |
heartbeatError: |
| 263 |
|
|
| 264 |
|
End Sub |
