BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  TIdTCPClient question          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message Chad Z. Hower aka Kudzu Guest Posted: Sat Feb 28, 2004 6:08 am    Post subject: Re: TIdTCPClient question Lee <leeSPAMSUCKS (AT) datatrakpos (DOT) com> wrote in news:4040294c$1 @newsgroups.borland.com: Quote: I have a question about this component. Is there a recommended way to handle instances when the we don't know how big the data coming in is or what token is used to indicate the end of the stream? Just read whats currently in the buffer. -- Chad Z. Hower (a.k.a. Kudzu) - http://www.hower.org/Kudzu/ "Programming is an art form that fights back" Is Indy useful to you? Send a postcard please! http://www.hower.org/kudzu/indypost.html Back to top Remy Lebeau (TeamB) Guest Posted: Sat Feb 28, 2004 6:50 am    Post subject: Re: TIdTCPClient question "Lee" <leeSPAMSUCKS (AT) datatrakpos (DOT) com> wrote Quote: Is there a recommended way to handle instances when the we don't know how big the data coming in is or what token is used to indicate the end of the stream? What kind of protocol are you using that would have such an obvious limitation? You need at least one of those conditions in order to process data in a coordinated fashion. The only other scenerio is if you simply want to read all of the data from the socket until the connection is terminated, and then process whatever was sent. What exactly is the scenerio you are trying to handle? Gambit Back to top Martin James Guest Posted: Sat Feb 28, 2004 2:08 pm    Post subject: Re: TIdTCPClient question Quote: Just read whats currently in the buffer. Would you not have to call readFromStack, or the like, first, so as to actually get data into the Indy buffer? Another thought - how about just calling iohandler.recv to load input directly into a fixed-size user buffer? Rgds, Martin Back to top Chad Z. Hower aka Kudzu Guest Posted: Sat Feb 28, 2004 2:47 pm    Post subject: Re: TIdTCPClient question "Martin James" <mjames_falcon (AT) dial (DOT) pipex.com> wrote in news:4040a0ea (AT) newsgroups (DOT) borland.com: Quote: Would you not have to call readFromStack, or the like, first, so as to actually get data into the Indy buffer? Only if you read directly from the buffer, which you should not need to do. There are several methods that give you everything available and also call ReadFromStack. Quote: Another thought - how about just calling iohandler.recv to load input directly into a fixed-size user buffer? You should avoid calling recv directly. -- Chad Z. Hower (a.k.a. Kudzu) - http://www.hower.org/Kudzu/ "Programming is an art form that fights back" Qualified help FAST with Indy Experts Support from the experts themselves: http://www.atozed.com/indy/experts/support.iwp Back to top Chad Z. Hower aka Kudzu Guest Posted: Sat Feb 28, 2004 5:30 pm    Post subject: Re: TIdTCPClient question Lee <leeSPAMSUCKS (AT) datatrakpos (DOT) com> wrote in news:4040bf53$1 @newsgroups.borland.com: Quote: They sent me a sample using a standard ClientSocket which was non-blocking and the example just read until the connection was terminated. This is easy. See the souce in IdWhois.pas for an example. -- Chad Z. Hower (a.k.a. Kudzu) - http://www.hower.org/Kudzu/ "Programming is an art form that fights back" Want more Indy stuff? Try the Atozed Indy Portal at http://www.atozedsoftware.com/ * More Free Demos * Free Articles * Extra Support Back to top Remy Lebeau (TeamB) Guest Posted: Sat Feb 28, 2004 11:28 pm    Post subject: Re: TIdTCPClient question "Lee" <leeSPAMSUCKS (AT) datatrakpos (DOT) com> wrote Quote: ... using a standard ClientSocket which ... just read until the connection was terminated. The AllData() method of TIdTCPConnection will handle that scenerio. Alternatively, you can call ReadStream() with the AByteCount parameter set to -1 and the AReadUntilDisconnect parameter set to True. Gambit Back to top Lee Guest Posted: Sun Feb 29, 2004 5:37 am    Post subject: TIdTCPClient question Hello all, I have a question about this component. Is there a recommended way to handle instances when the we don't know how big the data coming in is or what token is used to indicate the end of the stream? I haven't worked with the network/tcpip much so any help would be appreciated. Thank you, Lee Back to top Lee Guest Posted: Sun Feb 29, 2004 4:17 pm    Post subject: Re: TIdTCPClient question Remy Lebeau (TeamB) wrote: Quote: What kind of protocol are you using that would have such an obvious limitation? You need at least one of those conditions in order to process data in a coordinated fashion. The only other scenerio is if you simply want to read all of the data from the socket until the connection is terminated, and then process whatever was sent. What exactly is the scenerio you are trying to handle? The server is sending an XML packet that I need to read. As of now, I am using the ReadLine method and using the closing tag that (</ClosingTag>) as the eol character. This works, but its case sensitive so if they were to change it, it would no longer work and I wanted to figure out a way to do so that it won't break. They sent me a sample using a standard ClientSocket which was non-blocking and the example just read until the connection was terminated. I prefer to use Indy since what little experience I have, is using that. Thanks again, Lee Back to top Lee Guest Posted: Sun Feb 29, 2004 6:14 pm    Post subject: Re: TIdTCPClient question Quote: This is easy. See the souce in IdWhois.pas for an example. I will take a look.... Thank you, Lee Back to top Lee Guest Posted: Mon Mar 01, 2004 2:17 am    Post subject: Re: TIdTCPClient question Quote: The AllData() method of TIdTCPConnection will handle that scenerio. Alternatively, you can call ReadStream() with the AByteCount parameter set to -1 and the AReadUntilDisconnect parameter set to True. Gambit Thank Gambit, I will try that. Lee Back to top Lee Guest Posted: Tue Mar 02, 2004 1:05 am    Post subject: Re: TIdTCPClient question Quote: The AllData() method of TIdTCPConnection will handle that scenerio. Alternatively, you can call ReadStream() with the AByteCount parameter set to -1 and the AReadUntilDisconnect parameter set to True. Gambit Worked like a champ. 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