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// KPPPLoad - a PPP load monitor
// Copyright (C) 1998 Sean Vyain, svyain@mail.tds.net
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <asm/types.h>
#include <linux/ppp_defs.h>
#include "PPPStats.h"
#include "Options.h"
typedef struct
{
struct ppp_stats stats;
} DclPPPInfo;
PPPStats::PPPStats()
: _rxTotal( 0 ),
_txTotal( 0 ),
_isUp( FALSE ),
_retryId( -1 ),
_periodicId( -1 )
{
if ((_s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("couldn't create IP socket");
exit(1);
}
timerEvent( 0 );
startTimer( options->getStatsInterval() * 1000 );
if ( options->getPeriodicInterval() ) {
_periodicId = startTimer( options->getPeriodicInterval() * 1000 );
}
if ( options->getPPPCommand() ) {
_retryId = startTimer( options->getRetryInterval() * 1000 );
}
}
void PPPStats::timerEvent( QTimerEvent* e )
{
if ( ( !e ) || ( e->timerId() == _retryId ) )
{
system( options->getPPPCommand() );
} else if ( ( e->timerId() == _periodicId ) && ( _isUp ) ) {
system( options->getPeriodicCommand() );
}
DclPPPInfo PPPInfo[1];
struct ifreq ifreq;
struct ppp_stats* PPPStat;
struct ppp_stats LastPPPStat[1];
memset (& ifreq, 0, sizeof (ifreq));
sprintf ( ifreq.ifr_ifrn.ifrn_name, "ppp%d", options->getLinkNumber() );
ifreq.ifr_ifru.ifru_data = (caddr_t) PPPInfo;
PPPStat = & PPPInfo->stats;
memset (LastPPPStat, 0, sizeof (LastPPPStat));
if ( (ioctl (_s, SIOCDEVPRIVATE, (caddr_t) & ifreq) < 0) || ( !PPPStat->p.ppp_ibytes ) ) {
if ( _isUp ) {
_isUp = FALSE;
emit linkDown();
if ( options->getPPPCommand() ) {
_retryId = startTimer( options->getRetryInterval() * 1000 );
system( options->getPPPCommand() );
}
}
PPPStat->p.ppp_ibytes = 0;
PPPStat->p.ppp_obytes = 0;
} else if ( !_isUp ) {
_isUp = TRUE;
emit linkUp();
killTimer( _retryId );
_retryId = -1;
}
unsigned int rxDelta = PPPStat->p.ppp_ibytes - _rxTotal;
unsigned int txDelta = PPPStat->p.ppp_obytes - _txTotal;
_rxTotal = PPPStat->p.ppp_ibytes;
_txTotal = PPPStat->p.ppp_obytes;
if ( rxDelta == _rxTotal ) rxDelta = 0;
if ( txDelta == _txTotal ) txDelta = 0;
emit changeStats( rxDelta, txDelta, _rxTotal, _txTotal );
}
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