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(AutoIt) Async Accept Socket ConnectionDemonstrates how to get the connected client socket after accepting a connection asynchronously.
; This example assumes the Chilkat Socket API to have been previously unlocked. ; See Socket Unlock Sample for sample code. $oListenSocket = ObjCreate("Chilkat.Socket") ; Bind to a port and listen. ; This example will listen at port 5555 and allows for a backlog ; of 25 pending connection requests. Local $bSuccess = $oListenSocket.BindAndListen(5555,25) If ($bSuccess <> True) Then ConsoleWrite($oListenSocket.LastErrorText & @CRLF) Exit EndIf ; Start a background task to accept an incoming connection ... Local $iMaxWaitMs = 20000 Local $oAcceptTask = $oListenSocket.AcceptNextConnectionAsync($iMaxWaitMs) $oAcceptTask.Run() ; ... ; ... ; ... ; Imagine at this point the task has completed successfully, ; and a connection was accepted. Here's how to get the connected socket... $oConnectedClient = ObjCreate("Chilkat.Socket") $bSuccess = $oConnectedClient.LoadTaskResult($oAcceptTask) ; Here's how it works: The AcceptNextConnection method would normally ; return a socket object when called synchronously. When called asynchronously, ; it cannot do so because it returns the task object. When the async method ; (running in a background thread) completes, the socket object that is the client ; connection is contained within the task object. ; ; This can be generalized for any case where a Chilkat method returns an object. ; The async version of that method is such that the object returned in the background ; thread is contained within the task object. ; To get the result object, we create a new object instance of that type. ; In this case, we create a socket object (connectedClient). There is a LoadTaskResult ; method in all Chilkat classes that can be a return value of an async method call. ; The LoadTaskResult method transfers the returned object from the task to the caller. |
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