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Code Issues Releases Activity

Set TCP_NODELAY on the control channel to improve performance a bit.

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This commit is contained in:
David Greenman 1998-04-28 03:37:23 +00:00
parent 21a56c939e
commit dadb9fb334
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=35482
1 changed files with 8 additions and 1 deletions
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9
libexec/ftpd/ftpd.c
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@ -44,7 +44,7 @@ static char copyright[] =
static char sccsid[] = "@(#)ftpd.c 8.4 (Berkeley) 4/16/94"; static char sccsid[] = "@(#)ftpd.c 8.4 (Berkeley) 4/16/94";
#endif #endif
static const char rcsid[] = static const char rcsid[] =
"$Id: ftpd.c,v 1.44 1997/12/24 19:13:22 imp Exp $"; "$Id: ftpd.c,v 1.45 1998/02/24 08:45:57 eivind Exp $";
#endif /* not lint */ #endif /* not lint */
/* /*
@ -480,6 +480,13 @@ main(argc, argv, envp)
if (setsockopt(0, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0) if (setsockopt(0, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0)
syslog(LOG_WARNING, "setsockopt (IP_TOS): %m"); syslog(LOG_WARNING, "setsockopt (IP_TOS): %m");
#endif #endif
/*
* Disable Nagle on the control channel so that we don't have to wait
* for peer's ACK before issuing our next reply.
*/
if (setsockopt(0, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)) < 0)
syslog(LOG_WARNING, "control setsockopt TCP_NODELAY: %m");
data_source.sin_port = htons(ntohs(ctrl_addr.sin_port) - 1); data_source.sin_port = htons(ntohs(ctrl_addr.sin_port) - 1);
/* set this here so klogin can use it... */ /* set this here so klogin can use it... */