dot/.local/bin/i3scripts/contrib/bandwidth

36 lines
658 B
Plaintext
Raw Normal View History

2020-02-19 15:55:35 +00:00
#!/bin/bash
################################
# Shows bandwidth
#
# @param {String(tx|rx)} type: The bandwidth type to check
# @return {Number(kB/s)}: Speed of the interface
################################
dir=$(dirname $0)
source $dir/util.sh
type=$BLOCK_INSTANCE
file=/tmp/i3blocks_bandwidth_$type
touch $file
prev=$(cat $file)
cur=0
netdir=/sys/class/net
for iface in $(ls -1 $netdir); do
# Skip the loopback interface
if [ "$iface" == "lo" ]; then continue; fi
f=$netdir/$iface/statistics/${type}_bytes
n=$(cat $f)
cur=$(expr $cur + $n)
done
delta=$(calc "$cur - $prev")
echo "$(calc "$delta / 1000") kB/s"
# store result
echo $cur > $file