openbsd-ports/devel/libgtop2/files/ppp.c
2011-05-23 19:35:52 +00:00

142 lines
3.2 KiB
C

/* $OpenBSD: ppp.c,v 1.3 2011/05/23 19:35:54 jasper Exp $ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
LibGTop 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.
LibGTop 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 LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/ppp.h>
#include <glibtop_suid.h>
#ifdef HAVE_I4B
#include <net/if.h>
#include <net/if_types.h>
#ifdef HAVE_NET_IF_VAR_H
#include <net/if_var.h>
#endif
#include <net/netisr.h>
#include <net/route.h>
#include <net/if_sppp.h>
/* Read `misc/i4b_acct.txt' for details ... */
#ifdef HAVE_I4B_ACCT
#include <machine/i4b_acct.h>
#endif
static const unsigned long _glibtop_sysdeps_ppp =
(1L << GLIBTOP_PPP_STATE);
#ifdef HAVE_I4B_ACCT
static const unsigned long _glibtop_sysdeps_ppp_acct =
(1L << GLIBTOP_PPP_BYTES_IN) + (1L << GLIBTOP_PPP_BYTES_OUT);
#endif
#endif /* HAVE_I4B */
/* nlist structure for kernel access */
static struct nlist nlst [] = {
#ifdef HAVE_I4B
{ "_i4bisppp_softc" },
#endif
{ 0 }
};
/* Init function. */
void
_glibtop_init_ppp_p (glibtop *server)
{
#ifdef HAVE_I4B
#ifdef HAVE_I4B_ACCT
server->sysdeps.ppp = _glibtop_sysdeps_ppp |
_glibtop_sysdeps_ppp_acct;
#else
server->sysdeps.ppp = _glibtop_sysdeps_ppp;
#endif
#endif /* HAVE_I4B */
if (kvm_nlist (server->machine.kd, nlst) < 0)
glibtop_error_io_r (server, "kvm_nlist");
}
/* Provides information about ppp usage. */
void
glibtop_get_ppp_p (glibtop *server, glibtop_ppp *buf, unsigned short device)
{
#ifdef HAVE_I4B
#ifdef HAVE_I4B_ACCT
struct i4bisppp_softc data;
#else
struct sppp data;
#endif
int phase;
glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PPP), 0);
memset (buf, 0, sizeof (glibtop_ppp));
if (kvm_read (server->machine.kd, nlst [0].n_value,
&data, sizeof (data)) != sizeof (data))
glibtop_error_io_r (server, "kvm_read (i4bisppp_softc)");
#ifdef HAVE_I4B_ACCT
phase = data.sc_if_un.scu_sp.pp_phase;
#else
/* FIXME: Which FreeBSD version have this field and
* which not. */
#if 0
phase = data.pp_phase;
#endif
#endif
switch (phase) {
#ifdef HAVE_I4B_ACCT
case PHASE_DEAD:
case PHASE_TERMINATE:
buf->state = GLIBTOP_PPP_STATE_HANGUP;
break;
case PHASE_ESTABLISH:
case PHASE_NETWORK:
buf->state = GLIBTOP_PPP_STATE_ONLINE;
break;
#endif
default:
buf->state = GLIBTOP_PPP_STATE_UNKNOWN;
break;
}
buf->flags = _glibtop_sysdeps_ppp;
#ifdef HAVE_I4B_ACCT
buf->bytes_in = data.sc_inb;
buf->bytes_out = data.sc_outb;
buf->flags |= _glibtop_sysdeps_ppp_acct;
#endif
#endif /* HAVE_I4B */
}