--- experimental/host/vb_net_test/nettest.frm 2001/02/23 10:07:55 1.3 +++ 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 = "" - Top = 600 - Width = 4935 - End - Begin MSWinsockLib.Winsock Winsock1 + Begin MSWinsockLib.Winsock UDPSock Left = 4320 Top = 120 _ExtentX = 741 @@ -87,44 +67,69 @@ 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 @@ -132,52 +137,81 @@ Dim responseNumber As Integer Private Sub Command1_Click() + ' build the contents of the XML packet. + xml = "" + ' Use the first winsock control to send a UDP packet. - Winsock1.RemoteHost = Text3.Text - Winsock1.RemotePort = Text2.Text - Winsock1.SendData Text1.Text + 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 - Winsock2.Close - Winsock2.Connect Text3.Text, Text2.Text + TCPSock.Close + TCPSock.Connect filterManagerHostname, filterManagerTCPPort End Sub Private Sub Command3_Click() ' establish a TCP connection to a filter - Winsock2.Close - Winsock2.Connect filterHostname, filterTCPPort + 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", "", buf, Len(buf), App.Path & "winhost.ini") + filterManagerHostname = Left$(buf, length) + length = GetPrivateProfileString("i-scream Winhost", "FilterManagerPort", "", buf, Len(buf), App.Path & "winhost.ini") + filterManagerTCPPort = Left$(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 Winsock2_Connect() - - responseNumber = 0 +Private Sub TCPSock_Connect() + + responseNumber = 0 ' Send something as soon as we connect to the server. If connected = False Then ' contact the FilterManager - Winsock2.SendData "STARTCONFIG" & vbCrLf + TCPSock.SendData "STARTCONFIG" & vbCrLf Else ' Contact the Filter - Winsock2.SendData "HEARTBEAT" & vbCrLf + 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), "") @@ -190,24 +224,26 @@ Private Sub Winsock2_DataArrival(ByVal bytesTotal As L Select Case responseNumber Case 1: If Not response = "OK" Then GoTo configError - Winsock2.SendData "LASTMODIFIED" & vbCrLf + TCPSock.SendData "LASTMODIFIED" & vbCrLf Case 2: If response = "ERROR" Then GoTo configError lastModified = response - Winsock2.SendData "FILELIST" & vbCrLf + TCPSock.SendData "FILELIST" & vbCrLf Case 3: If response = "ERROR" Then GoTo configError fileList = response - Winsock2.SendData "UDPUpdateTime" & vbCrLf + TCPSock.SendData "UDPUpdateTime" & vbCrLf Case 4: If response = "ERROR" Then GoTo configError - Winsock2.SendData "TCPUpdateTime" & vbCrLf + UDPUpdateTime = response + TCPSock.SendData "TCPUpdateTime" & vbCrLf Case 5: If response = "ERROR" Then GoTo configError - Winsock2.SendData "ENDCONFIG" & vbCrLf + TCPUpdateTime = response + TCPSock.SendData "ENDCONFIG" & vbCrLf Case 6: If Not response = "OK" Then GoTo configError - Winsock2.SendData "FILTER" & vbCrLf + TCPSock.SendData "FILTER" & vbCrLf Case 7: 'we got a filter list here. readTo = 0 @@ -221,14 +257,17 @@ Private Sub Winsock2_DataArrival(ByVal bytesTotal As L response = Mid(response, readTo + 1, Len(response)) ' get TCP Port number filterTCPPort = response - Winsock2.SendData "END" & vbCrLf + TCPSock.SendData "END" & vbCrLf Case 8: If Not response = "OK" Then GoTo configError connected = True responseNumber = 0 - Winsock2.Close + TCPSock.Close Text4.Text = Text4.Text & vbCrLf & " " - x = MsgBox("got config okay") + 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) @@ -236,20 +275,20 @@ Private Sub Winsock2_DataArrival(ByVal bytesTotal As L Select Case responseNumber Case 1: If Not response = "OK" Then GoTo heartbeatError - Winsock2.SendData "CONFIG" & vbCrLf + TCPSock.SendData "CONFIG" & vbCrLf Case 2: If Not response = "OK" Then GoTo heartbeatError - Winsock2.SendData fileList & vbCrLf + TCPSock.SendData fileList & vbCrLf Case 3: If Not response = "OK" Then GoTo heartbeatError - Winsock2.SendData lastModified & vbCrLf + TCPSock.SendData lastModified & vbCrLf Case 4: If Not response = "OK" Then GoTo heartbeatError - Winsock2.SendData "ENDHEARTBEAT" & vbCrLf + TCPSock.SendData "ENDHEARTBEAT" & vbCrLf Case 5: If Not response = "OK" Then GoTo heartbeatError - Winsock2.Close - x = MsgBox("heartbeat sent okay.") + TCPSock.Close + Status.Caption = "i-scream Winhost " & protocolVersion & " - heartbeat sent okay." End Select End If @@ -258,7 +297,58 @@ Private Sub Winsock2_DataArrival(ByVal bytesTotal As L Exit Sub configError: - x = MsgBox("error doing configuration") + 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 = "" + + ' 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 = "" + + ' 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