 socketpro.zip
 netdemo
- bin
 DNSResolver.exe- GetHtml.exe
- IONet.exe
- MultipleSvs.exe
- MultiSvs.exe
- MultiSvsClient.exe
- NetBaseR.dll
- SafeSocket.exe
- SecureSocket.exe
- SpeedTest.exe
- ClientComponents
- ClientSocket.dll
- DResolver.dll
- SBroker.dll
- SockFile.dll
- help
- include
- lib
- NetBaseR.lib
- MultiSvsSample
- Samples
- client
- DnsSvs
- GetHTML
- InternetIO
- MultiSvsSample
- SecureSocket
- SpeedTest
- DResolver
- Svr
- SvrComponents
- MultipleSvs.exe
- MultiSvs.exe
- NetBaseR.dll
- SafeSocket.exe
- trash
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VERSION 5.00
Object = "{3B7C8863-D78F-101B-B9B5-04021C009402}#1.2#0"; "richtx32.ocx"
Begin VB.Form frmDNSResolver
BorderStyle = 1 'Fixed Single
Caption = "DNS Resolving with high speed"
ClientHeight = 5535
ClientLeft = 45
ClientTop = 330
ClientWidth = 7140
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 5535
ScaleWidth = 7140
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton cmdClear
Caption = "Clear msg"
Height = 375
Left = 5400
TabIndex = 22
Top = 4920
Width = 1455
End
Begin VB.CommandButton cmdParallel
Caption = "All running in parallel"
Height = 375
Left = 3360
TabIndex = 21
Top = 4920
Width = 1935
End
Begin VB.CommandButton cmdBatch2
Caption = "Batch calls 2"
Enabled = 0 'False
Height = 375
Left = 1680
TabIndex = 20
Top = 4920
Width = 1575
End
Begin VB.CommandButton cmdBatch
Caption = "Batch calls 1"
Enabled = 0 'False
Height = 375
Left = 120
TabIndex = 19
Top = 4920
Width = 1515
End
Begin RichTextLib.RichTextBox txtHostEnt
Height = 2235
Left = 120
TabIndex = 18
Top = 2580
Width = 6795
_ExtentX = 11986
_ExtentY = 3942
_Version = 393217
Enabled = -1 'True
ScrollBars = 3
TextRTF = $"frmDNSResolver.frx":0000
End
Begin VB.TextBox txtIPAddr
Height = 375
Left = 1500
TabIndex = 17
Top = 2160
Width = 3795
End
Begin VB.TextBox txtName
Height = 375
Left = 1500
TabIndex = 15
Top = 1740
Width = 3795
End
Begin VB.TextBox txtClients
Height = 375
Left = 1500
MultiLine = -1 'True
TabIndex = 13
Top = 1320
Width = 3795
End
Begin VB.TextBox txtCount
BeginProperty DataFormat
Type = 1
Format = "0"
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 1033
SubFormatType = 1
EndProperty
Height = 375
Left = 1500
TabIndex = 10
Top = 900
Width = 3795
End
Begin VB.CommandButton cmdDisconnect
Caption = "Disconnect"
Height = 375
Left = 5340
TabIndex = 9
Top = 420
Width = 1575
End
Begin VB.CommandButton cmdDNSByAddr
Caption = "Get DNS by addr"
Enabled = 0 'False
Height = 375
Left = 5340
TabIndex = 8
Top = 2160
Width = 1575
End
Begin VB.CommandButton cmdDNSByName
Caption = "Get DNS by name"
Enabled = 0 'False
Height = 375
Left = 5340
TabIndex = 7
Top = 1740
Width = 1575
End
Begin VB.CommandButton cmdGetClients
Caption = "Get clients"
Enabled = 0 'False
Height = 375
Left = 5340
TabIndex = 6
Top = 1320
Width = 1575
End
Begin VB.CommandButton cmdGetCount
Caption = "Get count of clients"
Enabled = 0 'False
Height = 375
Left = 5340
TabIndex = 5
Top = 900
Width = 1575
End
Begin VB.CommandButton cmdConnect
Caption = "Connect"
Height = 375
Left = 5340
TabIndex = 4
Top = 0
Width = 1575
End
Begin VB.TextBox txtPort
BeginProperty DataFormat
Type = 1
Format = "0"
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 1033
SubFormatType = 1
EndProperty
Height = 375
Left = 4380
TabIndex = 3
Text = "1739"
Top = 420
Width = 915
End
Begin VB.TextBox txtHost
Height = 375
Left = 180
TabIndex = 2
Top = 420
Width = 4155
End
Begin VB.Label lblIPAddr
Caption = "IP Addr:"
Height = 315
Left = 180
TabIndex = 16
Top = 2160
Width = 1035
End
Begin VB.Label lblName
Caption = "Name:"
Height = 315
Left = 180
TabIndex = 14
Top = 1740
Width = 1215
End
Begin VB.Label lblClients
Caption = "Clients:"
Height = 315
Left = 180
TabIndex = 12
Top = 1320
Width = 1035
End
Begin VB.Label lblCount
Caption = "Count of clients:"
Height = 255
Left = 180
TabIndex = 11
Top = 960
Width = 1215
End
Begin VB.Label lblPort
Caption = "Port:"
Height = 255
Left = 4440
TabIndex = 1
Top = 120
Width = 795
End
Begin VB.Label lblHost
Caption = "Host:"
Height = 255
Left = 180
TabIndex = 0
Top = 120
Width = 2595
End
End
Attribute VB_Name = "frmDNSResolver"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim IDNSResolver As DRESOLVERLib.DNS
Dim IDNSResolver2 As DRESOLVERLib.DNS
Dim WithEvents IClientSocket As CLIENTSOCKETLib.SktClient
Attribute IClientSocket.VB_VarHelpID = -1
Dim WithEvents IClientSocket2 As CLIENTSOCKETLib.SktClient
Attribute IClientSocket2.VB_VarHelpID = -1
Private Sub cmdBatch_Click()
'send all of calls in one stream to the server side for processing
IDNSResolver.GetDnsByAddr txtIPAddr.Text
IDNSResolver.GetCountClients
IDNSResolver.GetDnsByName txtName.Text
IDNSResolver.GetDnsByName "www.cnn.com"
IDNSResolver.GetDnsByName "www.oracle.com"
IDNSResolver.GetDnsByName "www.yahoo.com"
IDNSResolver.GetClients
IDNSResolver.GetDnsByName txtName.Text
End Sub
Private Sub cmdBatch2_Click()
'send all of calls in one stream to the server side for processing
IDNSResolver.GetDnsByAddr "209.18.214.241"
IDNSResolver.GetDnsByName "www.usatoday.com"
IDNSResolver.GetDnsByName "www.geocities.com"
End Sub
Private Sub cmdClear_Click()
txtHostEnt.Text = ""
End Sub
Private Sub cmdConnect_Click()
On Error GoTo cerrHandler
IClientSocket.Connect txtHost.Text, txtPort.Text
Exit Sub
cerrHandler:
MsgBox "Error happens, and error code = " & IClientSocket.GetRtn
End Sub
Private Sub cmdDisconnect_Click()
IClientSocket.ShutDown
IClientSocket2.ShutDown
End Sub
Private Sub cmdDNSByAddr_Click()
txtHostEnt.Text = ""
IDNSResolver.GetDnsByAddr txtIPAddr.Text
End Sub
Private Sub cmdDNSByName_Click()
txtHostEnt.Text = ""
IDNSResolver.GetDnsByName txtName.Text
End Sub
Private Sub cmdGetClients_Click()
IDNSResolver.GetClients
End Sub
Private Sub cmdGetCount_Click()
IDNSResolver.GetCountClients
End Sub
Private Sub cmdParallel_Click()
If cmdBatch2.Enabled Then
Call cmdBatch2_Click
End If
If cmdBatch.Enabled Then
Call cmdBatch_Click
End If
End Sub
Private Sub Form_Load()
Set IDNSResolver = New DRESOLVERLib.DNS
Set IDNSResolver2 = New DRESOLVERLib.DNS
Set IClientSocket = IDNSResolver
Set IClientSocket2 = IDNSResolver
End Sub
Private Sub Form_Unload(Cancel As Integer)
Set IDNSResolver = Nothing
Set IClientSocket = Nothing
Set IDNSResolver2 = Nothing
Set IClientSocket2 = Nothing
End Sub
Private Sub IClientSocket_OnDataAvailable(ByVal hSocket As Long, ByVal lBytes As Long, ByVal lInfo As Long)
Select Case lInfo
Case DRESOLVERLib.idGetClients
txtClients.Text = IDNSResolver.Clients
Case DRESOLVERLib.idGetCountClients
txtCount.Text = IDNSResolver.Count
Case DRESOLVERLib.idGetDNSByAddr
txtHostEnt.Text = txtHostEnt.Text + IDNSResolver.GetHostEnt
Case DRESOLVERLib.idGetDNSByName
txtHostEnt.Text = txtHostEnt.Text + IDNSResolver.GetHostEnt
Case Else
If lInfo < 0 Then
MsgBox "Error happens, or unknown method called, and info = " & CStr(lInfo)
End If
End Select
End Sub
Private Sub IClientSocket_OnSocketClosed(ByVal hSocket As Long, ByVal lError As Long)
cmdGetCount.Enabled = False
cmdDNSByAddr.Enabled = False
cmdDNSByName.Enabled = False
cmdGetClients.Enabled = False
cmdBatch.Enabled = False
End Sub
Private Sub IClientSocket_OnSocketConnected(ByVal hSocket As Long, ByVal lError As Long)
If lError = 0 Then
cmdGetCount.Enabled = True
cmdDNSByAddr.Enabled = True
cmdDNSByName.Enabled = True
cmdGetClients.Enabled = True
cmdBatch.Enabled = True
End If
End Sub
Private Sub IClientSocket2_OnDataAvailable(ByVal hSocket As Long, ByVal lBytes As Long, ByVal lInfo As Long)
End Sub
Private Sub IClientSocket2_OnSocketClosed(ByVal hSocket As Long, ByVal lError As Long)
cmdBatch2.Enabled = False
End Sub
Private Sub IClientSocket2_OnSocketConnected(ByVal hSocket As Long, ByVal lError As Long)
If lError = 0 Then
cmdBatch2.Enabled = True
End If
End Sub
Private Sub txtHostEnt_Change()
End Sub
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Yuancai (Charlie) Ye, an experienced C/C++ software engineer, lives in Atlanta, Georgia. He is an expert at continuous inline request/result batching, real-time stream processing, asynchronous data transferring and parallel computation for the best communication throughput and latency. He has been working at SocketPro (https://github.com/udaparts/socketpro) for more than fifteen years.
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