Re: lug-bg: socket programming
- Subject: Re: lug-bg: socket programming
- From: firedust@xxxxxxx (Stanislav Lechev)
- Date: Mon, 28 May 2001 14:33:44 +0300
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On Monday 28 May 2001 13:36, you wrote:
[.....]
znachi redowete si gi prashtam az :)
i znam koga si prashtam red i koga bukwa...
posle initialize-a stawa server side a
ne client-skiq
t.e. ti kato wlizash na cisco-to
twoq telnet client ne move da otgatne che wlizash
na cisco i da prashta po 1 byte
wmesto da buferira cqla liniq
i tochno za towa stawa duma
che az polzwah read
znachi situaciqta
imam demon slushasht na XXX port
idwa connect i demona prawi read na 1 byte
az pisha otdrugata strana 1 byte
ama demona neznae za towa ....
pisha oshte 21 bytes
demona oshte neznae
natiskam enter-a i togawa demona nauchawa
praw si za read/write
a i az ne se seshtam kwo drugo move da se polzwa
za read/write ot socket-a
oswen ako ne copirame FD-to (dup2)
no ne e w towa problema
problema e che ima line buffer
setvbuf(3)
setvbuf - stream buffering operations
_IONBF unbuffered
_IOLBF line buffered
_IOFBF fully buffered
eto za towa goworq
po default e _IOLBF
etvbuf(stdin, (char *) NULL, _IONBF, 0);
setvbuf(stdout, (char *) NULL, _IONBF, 0);
eto taka mahame bufera na kakwoto si iskame
no ne i na tcp socket :)
>
> Ima dve veroiartni prichini za problema ti:
>
> 1. Otsreshtnata strana ti parshta celi redove. Togava kvoto i da
> pravish, reda shte ti doide celia navednaj.
>
> 2. Izpolzvash mnogo visoko nivo na dostap.
> Az polzvam "read" i "write" sas socket file descriptors i niamam
> problemi s cheteneto na 1 byte.
> Za poveche info izpalni:
>
> man 2 read
> man 2 write
- --
- -===============================================================-
- - Regards, AngelFire -
- - Stanislav Lechev <firedust@xxxxxxx> -
- - PGP Key: http://firedust.vega.bg/pgp/StanislavLechev.asc -
- - Vega Internet Service Provider (tm) -- http://www.vega.bg -
- -===============================================================-
Everyone is a genius.
It's just that some people are too stupid to realize it.
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