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#!/bin/bash
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Tom Grennan
# Date: 2007
#
# **** End License ****
shopt -s extglob
shopt -s nullglob
declare progname=${0##*/}
declare -a full_itfs=( /sys/class/net/+(eth|vmnet|lo|tun|wan|pppoe)* )
declare -a itfs
declare _do_show=_show_itf_stats
_error ()
{
ecode=$1
shift
echo $@
if [ $ecode -eq 1 ] ; then
echo
_usage
fi
exit $ecode
}
_show_itf_stats ()
{
local -i rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast
local -i tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors \
collisions
local -i rx_missed_errors rx_fifo_errors
for itf ; do
test -d /sys/class/net/$itf || \
_error 2 $itf: no such interface\!
for stat in \
rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast \
tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors \
collisions
do
full_stat=/sys/class/net/${itf}/statistics/${stat}
if [ -r $full_stat ] ; then
eval $stat=$(cat $full_stat)
else
eval $stat=0
fi
done
for stat in rx_missed_errors ; do
full_stat=/sys/class/net/${itf}/statistics/${stat}
if [ -r $full_stat ] ; then
let $(( rx_dropped_errors += $(cat $full_stat) ))
fi
done
for stat in rx_fifo_errors ; do
full_stat=/sys/class/net/${itf}/statistics/${stat}
if [ -r $full_stat ] ; then
let $(( rx_over_errors += $(cat $full_stat) ))
fi
done
printf -v rx_stats \
'%10d %10d %10d %10d %10d %10d' \
$rx_bytes \
$rx_packets \
$rx_errors \
$rx_dropped \
$rx_over_errors \
$multicast
printf -v tx_stats \
'%10d %10d %10d %10d %10d %10d' \
$tx_bytes \
$tx_packets \
$tx_errors \
$tx_dropped \
$tx_carrier_errors \
$collisions
ip -s addr show ${itf} | sed 's/^[0-9]*: //'
cat <<-EOF
RX: bytes packets errors dropped overrun mcast
$rx_stats
TX: bytes packets errors dropped carrier collisions
$tx_stats
EOF
done
}
_show_itf_physical ()
{
if type -t ethtool &>/dev/null ; then
for eth ; do
sudo ethtool $eth
echo
done
fi
}
_usage ()
{
cat <<-EOF
$progname [ INTERFACE ]
$progname loopback [ INTERFACE ]
$progname tunnel [ INTERFACE ]
$progname serial [ INTERFACE ]
$progname system [ enabled ]
EOF
}
_add_itfs ()
{
for itf ; do
if [[ $itf != +(eth|vmnet|lo|tun|wan|pppoe)* ]] ; then
_error 2 \""$itf"\" is not an interface name\!
elif [ ! -d /sys/class/net/$itf ] ; then
_error 2 $itf: no such interface\!
else
itfs+=( $itf )
fi
done
}
if [ $# -gt 0 ] ; then
if [[ $1 == --+(usage|help) ]] ; then
_usage
exit 0
elif [[ $1 == +(ethernet|loopback|system|tunnel|serial|pppoe) ]] ; then
if [ $# -eq 1 ] ; then
case $1 in
ethernet )
full_itfs=( /sys/class/net/+(eth|vmnet)* ) ;;
loopback )
full_itfs=( /sys/class/net/lo* ) ;;
tunnel )
full_itfs=( /sys/class/net/tun* ) ;;
serial )
full_itfs=( /sys/class/net/wan* ) ;;
pppoe )
full_itfs=( /sys/class/net/pppoe* ) ;;
esac
itfs=( ${full_itfs[@]##*/} )
else
if [[ $1 == system ]] ; then
if [[ $2 == enabled ]] ; then
for full_itf in ${full_itfs[@]} ; do
let -i flags="$(cat $full_itf/flags) & 1"
[[ $flags -eq 1 ]] && _add_itfs ${full_itf##*/}
done
fi
else
_add_itfs $2
if [ $# -gt 2 ] ; then
if [[ $3 == physical ]] ; then
_do_show=_show_itf_physical
elif [[ $3 == vif ]] ; then
if [ $# -gt 3 ] ; then
itfs+=.$4
if [[ $# -gt 4 && $4 == physical ]] ; then
_do_show=_show_itf_physical
fi
else
_error 2 missing VIF number\!
fi
fi
fi
fi
fi
else
_add_itfs $*
fi
else
itfs=( ${full_itfs[@]##*/} )
fi
eval $_do_show ${itfs[@]}
# Local Variables:
# mode: shell-script
# sh-indentation: 4
# End:
|
