(Classic ASP) Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set listenSocket = Server.CreateObject("Chilkat.Socket")

' Bind to a port and listen for incoming connections:
' This example will listen at port 5555 and allows for a backlog
' of 25 pending connection requests.
success = listenSocket.BindAndListen(5555,25)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( listenSocket.LastErrorText) & "</pre>"
    Response.End
End If

' Get the next incoming connection
' Wait a maximum of 20 seconds (20000 millisec)
set connectedSocket = Server.CreateObject("Chilkat.Socket")
success = listenSocket.AcceptNext(20000,connectedSocket)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( listenSocket.LastErrorText) & "</pre>"
    Response.End
End If

' Set maximum timeouts for reading an writing (in millisec)
connectedSocket.MaxReadIdleMs = 10000
connectedSocket.MaxSendIdleMs = 10000

' Send a "Hello World!" message to the client:
success = connectedSocket.SendString("Hello World!")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( connectedSocket.LastErrorText) & "</pre>"
    Response.End
End If

' Close the connection with the client.
' Wait a max of 20 seconds (20000 millsec)
success = connectedSocket.Close(20000)

Response.Write "<pre>" & Server.HTMLEncode( "success!") & "</pre>"

%>
</body>
</html>