It will be interesting to hear an answer to this... Thank you,
SZ On Thu, Aug 12, 2010 at 7:56 PM, Eric Fleming Bonilha <e...@digifort.com.br>wrote: > Dear ICS Team, > > I found a problem in our software that is limiting the total ammount of TCP > sockets that I can create. > > The problem that I found is that I can´t create many many instances of > TWSocket, because of its internal message handler (I did many tests), here > are my findinds: > > We use AllocateHWnd from Classes.pas to allocate message handlers to > several different objects in our software, so, at one time we can have over > 1000 handles allocated across the software > > I did some tests and using a service application I could create about > 170.000 instaces of TWSocket, but if I allocate some thousand handles (By > using Classes.AllocateHWnd) than I can´t create ANY instance of TWSocket, in > my tests I created 10.000 handles by using classes.allocatehwnd, than I > couldn´t create any TWSocket > > Since my app can have many handles and I need many sockets, I did many > tests and found that procedure TIcsWndHandler.AllocateHWnd; create its own > windows handle, instead of using classes.allocatehwnd > How does this scheme works? > > To make a test, I changed the ICS implementaion of procedure > TIcsWndHandler.AllocateHWnd; to create the handle using > Classes.AllocateHWnd, then, I could create over 800.000 instances of > TWSocket, and at least in my tests, it was connecting to hosts and receiving > data correctly > > And the better, if I create 1.000.000 of handlers by using > CLasses.AllocateHWnd, I could create over 700.000 instaces of TWSocket > yet... > > So, If I change my ICS code to allocate the message handler by using > Classes.AllocateHWnd instead of using the implementation of procedure > TIcsWndHandler.AllocateHWnd; > What could go wrong? > > Because at preliminary tests, the sockets were working OK, even in > multi-threading and I almost have no limit of socket creation > > Eric > -- > 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
