--- experimental/host/vb_net_test/nettest.frm	2001/02/22 17:04:22	1.1
+++ experimental/host/vb_net_test/nettest.frm	2001/02/23 11:30:25	1.9
@@ -14,20 +14,24 @@ Begin VB.Form Form1 
    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        =   9
+      TabIndex        =   3
       Top             =   2520
       Width           =   1575
    End
    Begin VB.TextBox Text4 
-      Height          =   2535
+      Height          =   1575
       Left            =   240
       MultiLine       =   -1  'True
       ScrollBars      =   2  'Vertical
-      TabIndex        =   8
+      TabIndex        =   2
       Text            =   "nettest.frx":0000
       Top             =   3000
       Width           =   5055
@@ -36,50 +40,26 @@ Begin VB.Form Form1 
       Caption         =   "TCP to FilterManager"
       Height          =   375
       Left            =   3360
-      TabIndex        =   7
+      TabIndex        =   1
       Top             =   2040
       Width           =   1935
    End
-   Begin MSWinsockLib.Winsock Winsock2 
+   Begin MSWinsockLib.Winsock TCPSock 
       Left            =   4920
       Top             =   120
       _ExtentX        =   741
       _ExtentY        =   741
       _Version        =   393216
    End
-   Begin VB.TextBox Text3 
-      Height          =   285
-      Left            =   1680
-      TabIndex        =   5
-      Text            =   "killigrew.ukc.ac.uk"
-      Top             =   1560
-      Width           =   2535
-   End
-   Begin VB.TextBox Text2 
-      Height          =   285
-      Left            =   1680
-      TabIndex        =   3
-      Text            =   "4567"
-      Top             =   1920
-      Width           =   855
-   End
    Begin VB.CommandButton Command1 
       Caption         =   "Send UDP"
       Height          =   375
       Left            =   4320
-      TabIndex        =   2
+      TabIndex        =   0
       Top             =   1560
       Width           =   975
    End
-   Begin VB.TextBox Text1 
-      Height          =   855
-      Left            =   360
-      TabIndex        =   0
-      Text            =   "<packet></packet>"
-      Top             =   600
-      Width           =   4935
-   End
-   Begin MSWinsockLib.Winsock Winsock1 
+   Begin MSWinsockLib.Winsock UDPSock 
       Left            =   4320
       Top             =   120
       _ExtentX        =   741
@@ -87,103 +67,288 @@ Begin VB.Form Form1 
       _Version        =   393216
       Protocol        =   1
    End
-   Begin VB.Label Label3 
+   Begin VB.Label Label2 
       Alignment       =   1  'Right Justify
-      Caption         =   "Destination:"
+      Caption         =   "Next heartbeat:"
       Height          =   255
-      Left            =   360
-      TabIndex        =   6
-      Top             =   1560
-      Width           =   1215
+      Left            =   120
+      TabIndex        =   8
+      Top             =   480
+      Width           =   1455
    End
-   Begin VB.Label Label2 
+   Begin VB.Label Label1 
       Alignment       =   1  'Right Justify
-      Caption         =   "Port:"
+      Caption         =   "Next UDP packet:"
       Height          =   255
-      Left            =   360
-      TabIndex        =   4
-      Top             =   1920
-      Width           =   1215
+      Left            =   120
+      TabIndex        =   7
+      Top             =   120
+      Width           =   1455
    End
-   Begin VB.Label Label1 
-      Caption         =   "Packet contents"
+   Begin VB.Label Label4 
+      Caption         =   "0"
       Height          =   255
-      Left            =   360
-      TabIndex        =   1
-      Top             =   360
-      Width           =   2895
+      Left            =   1680
+      TabIndex        =   6
+      Top             =   480
+      Width           =   615
    End
+   Begin VB.Label Label3 
+      Caption         =   "0"
+      Height          =   255
+      Left            =   1680
+      TabIndex        =   5
+      Top             =   120
+      Width           =   615
+   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()
 
-    ' Use the first winsock control to send
-    ' a UDP packet.
-    Winsock1.RemoteHost = Text3.Text
-    Winsock1.RemotePort = Text2.Text
-    Winsock1.SendData Text1.Text
+    ' 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 machine
-    Winsock2.Close
-    Winsock2.Connect Text3.Text, Text2.Text
+    ' establish a TCP connection to a filtermanager
+    TCPSock.Close
+    TCPSock.Connect filterManagerHostname, filterManagerTCPPort
 
 End Sub
 
 Private Sub Command3_Click()
-    x = MsgBox("not implemented..")
+    ' establish a TCP connection to a filter
+    TCPSock.Close
+    TCPSock.Connect filterHostname, filterTCPPort
 End Sub
 
-Private Sub Winsock2_Connect()
-      
-   responseNumber = 0
+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
    
-   ' As soon as we are connected to the server, send this.
-   Winsock2.SendData "STARTCONFIG" & vbCrLf
+    ' 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 Winsock2_DataArrival(ByVal bytesTotal As Long)
+Private Sub TCPSock_DataArrival(ByVal bytesTotal As Long)
     
     responseNumber = responseNumber + 1
     
     ' Get the line from the server.
-    Winsock2.GetData response, vbString, bytesTotal
+    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
     
-    ' Decide what to send back to the server.
-    Select Case responseNumber
-        Case 1:
-            Winsock2.SendData "LASTMODIFIED" & vbCrLf
-        Case 2:
-            Winsock2.SendData "FILELIST" & vbCrLf
-        Case 3:
-            Winsock2.SendData "UDPUpdateTime" & vbCrLf
-        Case 4:
-            Winsock2.SendData "TCPUpdateTime" & vbCrLf
-        Case 5:
-            Winsock2.SendData "ENDCONFIG" & vbCrLf
-        Case 6:
-            Winsock2.SendData "FILTER" & vbCrLf
-        Case 7:
-            Winsock2.SendData "END" & vbCrLf
-        Case 8:
-            Winsock2.Close
-            Text4.Text = Text4.Text & vbCrLf & "  <closed>"
-    End Select
+    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 = "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