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(Classic ASP) Bind and Listen on a Randomly Selected Unused PortDemonstrates how to bind and listen on a randomly selected unused port. Note:The ListenPort property used in this example is available starting in Chilkat v9.5.0.59.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Socket") set listenSocket = Server.CreateObject("Chilkat.Socket") ' Pass a value of 0 for the port number to randomly select ' an unused port. ' (The 2nd argument allows for a backlog of 25 pending connection requests when accepting connections.) success = listenSocket.BindAndListen(5555,25) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( listenSocket.LastErrorText) & "</pre>" Response.End End If ' Find out what port was chosen. ' Note: The ListenPort propety was added in Chilkat v9.5.0.59 listenPort = listenSocket.ListenPort Response.Write "<pre>" & Server.HTMLEncode( "Chosen listen port = " & listenPort) & "</pre>" %> </body> </html> |
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