When the problem was found the solution was simple. Set the OnDataAvailable event handler to nil before freeing the wrapping object.
rgs, Merijn Fastream Technologies wrote: > Great job. Please tell us what your solution is as well. > > Best Regards, > > SZ > > On Tue, Apr 29, 2008 at 6:28 PM, Merijn Bosma <[EMAIL PROTECTED]> wrote: > >> The mystery is solved :) >> >> On our server side we have a wrapping object per connected client, which >> takes care of a few things, amongst which sending keep alives and timing >> the connection out if needed. >> If a timeout is detected, the wrapping object is freed, the clientside >> drops the connection, and this cleans up the socket server-side as well. >> >> This all works well, except for a very occasional event, which could >> happen when a client timed out and the wrapping object was freed (as >> normal), and at that very moment a new client connected. >> At this moment, it could happen that the memory manager instantiated the >> wrapping object for the new client at exactly the same memory location >> of the wrapping object which was just freed. >> If at that moment, the socked of the previous client receive some data >> before the connection was closed, it triggered it's OnDataAvailable >> event, which was still set to the old wrapping object, but now of course >> came out in the new wrapping object. >> This caused a call to ReceiveStr() on the wrong TCustomWSocket, causing >> the loop. >> >> it took a while to find, but it's finally solved. >> >> thanks for everybody thinking with me. >> >> >> Francois PIETTE wrote: >> >>>> I've looked for LSP, but didn't find anything, can you explain what you >>>> mean with it? >>>> >>>> >>> http://www.microsoft.com/msj/0599/LayeredService/LayeredService.aspx >>> >>> -- >>> [EMAIL PROTECTED] >>> The author of the freeware multi-tier middleware MidWare >>> The author of the freeware Internet Component Suite (ICS) >>> http://www.overbyte.be >>> >>> >>> >> -- >> To unsubscribe or change your settings for TWSocket mailing list >> please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket >> Visit our website at http://www.overbyte.be >> -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
