Hello Dod, Maybe another apprach is to use always a timeout and reset it every time data is received. But then you have to send keep alive packets to not get disconnected in case there is no real traffic needed.
--- Rgds, Wilfried [TeamICS] http://www.overbyte.be/eng/overbyte/teamics.html http://www.mestdagh.biz Monday, February 13, 2006, 11:21, Dod wrote: > Hello Wilfried, > OK, that is what I thought but now I am sure :-) > Usually I much prefer Lined mode as it is simpler to manage, and may > be used for binary transport if you take care to "backslash" #13 and > #10. > In non-lined mode I know I need to add some Size tag at beginning of > buffer sending to tell receiver how sized will be data. > Only thing is to add some Timer to detect too long delay before full > buffer is received with something like : > FOREACH CONNECTED_SOCKET as ASocket > { > IF (ASocket.ReceivingModeFlag=true) > AND (time last packet received > xx seconds) > THEN send some message to socket thread to expire > } > Regards. WM>> Hello Dod, >>> Using line mode OFF, if I do for example a .Send of 500 bytes, the >>> receiver should get just one OnDataAvailable event. WM>> Mostly, but not for sure. You can also receive more bytes if the sender WM>> sends a second packet a little later. TCP does not respect packet WM>> boundary. >>> If it will produce miltple OnDataAvailable, is there a way to predict >>> how many time it will be triggered ? WM>> No it is not predictable. Please read TCP/UDP primer on overbyte WM>> website. WM>> If you dont use LineMode then you have to include the length of each WM>> packet in it, or tell the receiver what he expect to receive by means of WM>> a protocol. WM>> --- WM>> Rgds, Wilfried [TeamICS] WM>> http://www.overbyte.be/eng/overbyte/teamics.html WM>> http://www.mestdagh.biz WM>> Monday, February 13, 2006, 10:29, Dod wrote: >>> Hello, >>> Using line mode OFF, if I do for example a .Send of 500 bytes, the >>> receiver should get just one OnDataAvailable event. >>> But if I send a 100KB buffer, will I receive get a OnDataAvailable >>> after those 100KB are sent or will it be triggered XX times depending >>> the network path (and possible packet split) between sender and >>> receiver. >>> If it will produce miltple OnDataAvailable, is there a way to predict >>> how many time it will be triggered ? >>> Regards. -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
