I'm not a specialist of indy (Since I wrote ICS), but the problem you mention may be related to the naggle algorithm. Do a search on Google to know more.
Maybe do some testing with ICS :-) Contribute to the SSL Effort. Visit http://www.overbyte.be/eng/ssl.html -- [EMAIL PROTECTED] Author of ICS (Internet Component Suite, freeware) Author of MidWare (Multi-tier framework, freeware) http://www.overbyte.be ----- Original Message ----- From: "Peter Laman" <[EMAIL PROTECTED]> To: "Delphi Talk" <Delphi-Talk@elists.org> Sent: Thursday, March 29, 2007 2:34 PM Subject: Problem using socket connections > Hello, > > In my app (D6), I use the Indy components TIdTCPClient and TIdTCPServer to > communicate using an application specific protocol. The protocol is designed > similar to standard internet protocols, using text commands that require > text response. With NT, everything used to work OK, but with XP I have a > mysterious problem. For some commands the server produces a multiline > response. On the server side, for all of these commands, all lines of output > are correctly generated by the server and correctly written to the > connection. But for some of those commands, only the first line of the > response can be read by the client. Reading the rest of the response leads > to a timeout. In my efforts to debug this, I have the client send a second > command to the server and read the response to that command. But, in stead > of the response for the second command, the client receives the 2nd line of > the response of the first command. An attempt to read the 3rd line after > that, also leads to a timeout. It would take another command to be sent to > the server to be able to read that 3rd line. > > The strange situation is, that this anomaly occurs but for a few of the > implemented commands. On the server side, these are handled in the OnExecute > handler of the TIdTCPServer and this is done the same way for all commands. > > To eliminate the possibities of bugs in the client app, I used PuTTY in raw > mode to send commands to the server. If I run PuTTY on NT, it works, on XP > it doesn't work. I tested it with the server on XP, NT, or Win2000, but that > doesn't make a difference. > > Has anyone encountered something like this before? > > Regards, > > Peter Laman > ---------------------------------- > The Lance Group, > software to promote plant safety in the Process Industry > Web: http://www.lance-safety.com > > __________________________________________________ > Delphi-Talk mailing list -> Delphi-Talk@elists.org > http://www.elists.org/mailman/listinfo/delphi-talk __________________________________________________ Delphi-Talk mailing list -> Delphi-Talk@elists.org http://www.elists.org/mailman/listinfo/delphi-talk
