網頁文章 javax.portlet.title.56

Imports System.IO

Imports System.Net

Imports System.Net.Sockets

Imports System.Text

Imports Microsoft.VisualBasic

 

Module Module1

 

Public Sub Main()

 

Dim Web_file1 As String = "c:\20141222.htm"

Dim Web_file2 As String = "c:\a.jpg"

Dim Web_file3 As String = "c:\b.jpg"

Dim Web_file4 As String = "c:\c.jpg"

Dim Web_file5 As String = "c:\d.jpg"

Dim msg(401002400) As Byte

Dim server As TcpListener

server = Nothing

 

Try

Dim port As Int32 = 13000

Dim localAddr As IPAddress = IPAddress.Parse("192.168.0.126")

Dim bytes(1024) As Byte

Dim data As String = Nothing

server = New TcpListener(localAddr, port)

server.Start()

 

While True

 

Console.Write("Waiting for a connection... ")

Dim client As TcpClient = server.AcceptTcpClient()

Console.WriteLine("Connected!" & ControlChars.CrLf)

Dim clientInfo As IPEndPoint = CType(client.Client.RemoteEndPoint, IPEndPoint)

Console.WriteLine("Client: " + clientInfo.Address.ToString() + ":" + clientInfo.Port.ToString())

Dim stream As NetworkStream = client.GetStream()

Dim i As Integer

i = stream.Read(bytes, 0, bytes.Length)

data = System.Text.Encoding.ASCII.GetString(bytes, 0, i)

Console.WriteLine("Received: {0}", data)

 

If ((data.IndexOf("GET /20141222.htm")) >= 0) Then

Dim htmlHeader As String = _

"HTTP/1.1 200 OK" & ControlChars.CrLf & _

"Server: DahanbServer 1.0" & ControlChars.CrLf & _

"Content-Length: " & data.Length & ControlChars.CrLf & _

"Content-Type: " & "text/html" & _

ControlChars.CrLf & ControlChars.CrLf

If System.IO.File.Exists(Web_file1) = True Then

msg = My.Computer.FileSystem.ReadAllBytes(Web_file1)

End If

stream.Write(msg, 0, msg.Length)

client.Close()

End If

 

If ((data.IndexOf("GET /a.jpg")) >= 0) Then

Dim htmlHeader As String = _

"HTTP/1.1 200 OK" & ControlChars.CrLf & _

"Server: DahanbServer 1.0" & ControlChars.CrLf & _

"Content-Length: " & data.Length & ControlChars.CrLf & _

"Content-Type: " & "text/html" & _

ControlChars.CrLf & ControlChars.CrLf

If System.IO.File.Exists(Web_file2) = True Then

msg = My.Computer.FileSystem.ReadAllBytes(Web_file2)

End If

stream.Write(msg, 0, msg.Length)

client.Close()

End If

 

If ((data.IndexOf("GET /b.jpg")) >= 0) Then

Dim htmlHeader As String = _

"HTTP/1.1 200 OK" & ControlChars.CrLf & _

"Server: DahanbServer 1.0" & ControlChars.CrLf & _

"Content-Length: " & data.Length & ControlChars.CrLf & _

"Content-Type: " & "text/html" & _

ControlChars.CrLf & ControlChars.CrLf

If System.IO.File.Exists(Web_file3) = True Then

msg = My.Computer.FileSystem.ReadAllBytes(Web_file3)

End If

stream.Write(msg, 0, msg.Length)

client.Close()

End If

 

If ((data.IndexOf("GET /c.jpg")) >= 0) Then

Dim htmlHeader As String = _

"HTTP/1.1 200 OK" & ControlChars.CrLf & _

"Server: DahanbServer 1.0" & ControlChars.CrLf & _

"Content-Length: " & data.Length & ControlChars.CrLf & _

"Content-Type: " & "text/html" & _

ControlChars.CrLf & ControlChars.CrLf

If System.IO.File.Exists(Web_file4) = True Then

msg = My.Computer.FileSystem.ReadAllBytes(Web_file4)

End If

stream.Write(msg, 0, msg.Length)

client.Close()

End If

 

If ((data.IndexOf("GET /d.jpg")) >= 0) Then

Dim htmlHeader As String = _

"HTTP/1.1 200 OK" & ControlChars.CrLf & _

"Server: DahanbServer 1.0" & ControlChars.CrLf & _

"Content-Length: " & data.Length & ControlChars.CrLf & _

"Content-Type: " & "text/html" & _

ControlChars.CrLf & ControlChars.CrLf

If System.IO.File.Exists(Web_file5) = True Then

msg = My.Computer.FileSystem.ReadAllBytes(Web_file5)

End If

stream.Write(msg, 0, msg.Length)

client.Close()

End If

End While

 

Catch e As SocketException

Console.WriteLine("SocketException: {0}", e)

 

Finally

server.Stop()

 

End Try

 

Console.WriteLine(ControlChars.Cr + "Hit enter to continue....")

 

End Sub

 

End Module