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/*
This file is part of pload - a program to monitor ppp activity for X
Copyright (C) 1999-2000 Matt Smith <mdsmith@engr.utk.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Thanks to David Brownlee <abs@netbsd.org>for catching the bug concerning
* non-reseting stats after a disconnect for the non-streams section */
/* ioctl_stat.c */
#include <string.h> /* memset, strncpy */
#include <unistd.h>
#include <sys/types.h> /* socket */
#include <sys/stat.h> /* open */
#include <fcntl.h> /* open */
#include <sys/ioctl.h> /* ioctl */
#include <errno.h>
#ifndef STREAMS /* Linux, FreeBSD, NetBSD, Ultrix */
# include <sys/socket.h> /* socket */
# if ( defined linux ) && ( __GLIBC__ < 2 ) /* old libc5 linux */
# include <linux/if.h>
# include <linux/ppp_defs.h>
# include <linux/if_ppp.h>
# else /* most everything else */
# include <net/if.h>
# include <net/ppp_defs.h>
# include <net/if_ppp.h>
# endif /* linux && __GLIBC__ < 2 */
#else /* STREAMS */ /* Solaris, SunOS, OSF/1, SVR4 */
# include <net/ppp_defs.h>
# include <net/pppio.h>
#endif /* STREAMS */
#include "pload.h"
#ifndef STREAMS /***************************************/
void getsocket(if_data *ifd)
{
if ((ifd->s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
die("socket");
return;
}
void ioctl_stat(if_data *ifd)
{
struct ifreq ifr;
struct ifpppstatsreq req;
if (!ifd->s) getsocket(ifd);
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, ifd->device, sizeof(ifr.ifr_name));
if ( (ioctl(ifd->s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) ||
!(ifr.ifr_flags&IFF_UP) )
{
/* invalid interface, or interface down */
ifd->in_bytes = 0UL;
ifd->out_bytes = 0UL;
return;
}
memset(&req, 0, sizeof(req));
#ifdef linux
req.stats_ptr = (caddr_t) &req.stats;
#undef ifr_name
#define ifr_name ifr__name
#endif
strncpy(req.ifr_name, ifd->device, sizeof(req.ifr_name));
if (ioctl(ifd->s, SIOCGPPPSTATS, &req) != 0)
{
/* shouldn't fail if SIOCGIFFLAGS worked... */
ifd->in_bytes = 0UL;
ifd->out_bytes = 0UL;
return;
}
ifd->in_bytes = (unsigned long)req.stats.p.ppp_ibytes;
ifd->out_bytes = (unsigned long)req.stats.p.ppp_obytes;
return;
}
#else /*STREAMS */ /******************************************/
void getsocket(if_data *ifd) /* not really a socket... */
{
#ifdef osf
if ((ifd->s = open("/dev/streams/ppp", O_RDONLY)) == -1)
die("couldn't open /dev/streams/ppp");
#else
if ((ifd->s = open("/dev/ppp", O_RDONLY)) == -1)
die("couldn't open /dev/ppp");
#endif
return;
}
void ioctl_stat(if_data *ifd)
{
struct ppp_stats req;
if (!ifd->s)
getsocket(ifd);
memset(&req, 0, sizeof(req));
if (strioctl(ifd->s, PPPIO_GETSTAT, &req, 0, sizeof(req)) == -1)
{
if (errno == EINVAL) /* invalid interface, or interface down */
{
/* try to attach */
(void)strioctl(ifd->s, PPPIO_ATTACH,
&ifd->dev_n, sizeof(ifd->dev_n), 0);
}
/* no connection */
ifd->in_bytes = 0UL;
ifd->out_bytes = 0UL;
return;
}
ifd->in_bytes = (unsigned long)req.p.ppp_ibytes;
ifd->out_bytes = (unsigned long)req.p.ppp_obytes;
return;
}
#endif /*STREAMS */ /******************************************/
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