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added network combined script

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Signed-off-by: Dustin Kirkland <kirkland@canonical.com>
This commit is contained in:
Dustin Kirkland 2009-06-16 16:44:10 -05:00
commit be0712e105
1 changed files with 61 additions and 0 deletions
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bin/network Executable file
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#!/bin/sh -e
#
# network: calculate the network up/down rates
# Copyright (C) 2008 Canonical Ltd.
#
# Authors: Dustin Kirkland <kirkland@canonical.com>
#
# 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, version 3 of the License.
#
# 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, see <http://www.gnu.org/licenses/>.
PKG="byobu"
# Allow interface overrides in configuration directory
if [ -r "$HOME/.$PKG/network" ]; then
interface=`cat "$HOME/.$PKG/network"`
else
interface=`/sbin/route -n | tail -n 1 | sed "s/^.* //"`
fi
if [ "$1" = "--detail" ]; then
/sbin/ifconfig "$interface" | sed 's/\s*$//'
exit 0
fi
unit="kB/s"
t2=`date +%s`
ifconfig=`/sbin/ifconfig "$interface" | grep "RX bytes" | sed "s/.*:\(.*\) (.*:\(.*\) (.*/\1\n\2/"`
for i in up down; do
cache="/var/run/screen/S-$USER/$PKG.network_$i"
t1=`stat -c %Y "$cache"` 2>/dev/null || t1=0
if [ $t2 -le $t1 ]; then
rate=0
else
x1=`cat "$cache"` 2>/dev/null || tx1=0
if [ "$i" = "up" ]; then
x2=`echo "$ifconfig" | tail -n1`
symbol="^"
else
x2=`echo "$ifconfig" | head -n1`
symbol="v"
fi
echo "$x2" > "$cache"
rate=`echo "$t1" "$t2" "$x1" "$x2" | awk '{printf "%.0f", ($4 - $3) / ($2 - $1) / 1024 }'`
if [ "$rate" -lt 0 ]; then
rate=0
elif [ "$rate" -gt 1024 ]; then
rate=`echo "$rate" | awk '{printf "%.1f", $1/1024}'`
unit="MB/s"
fi
fi
printf "$symbol\005{=b mw}$rate\005{-}\005{= mw}$unit\005{-} "
done