3f6d71feb9
* remove old net speed scripts * add reworked net-speed script * add space between rate and speed suffix it is easier to parse visually * only use intervals greater zero * add ifaces examples * catch negativ byte count happens when the counter resets
80 lines
1.7 KiB
Bash
Executable File
80 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Authors:
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# - Moritz Warning <moritzwarning@web.de> (2016)
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# - Zhong Jianxin <azuwis@gmail.com> (2014)
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#
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# See file LICENSE at the project root directory for license information.
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#
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# i3status.conf should contain:
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# general {
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# output_format = i3bar
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# }
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#
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# i3 config looks like this:
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# bar {
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# status_command exec /usr/share/doc/i3status/contrib/net-speed.sh
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# }
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#
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# Single interface:
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# ifaces="eth0"
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#
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# Multiple interfaces:
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# ifaces="eth0 wlan0"
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#
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# Auto detect interfaces
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ifaces=$(ls /sys/class/net | grep -E '^(eth|wlan|enp|wlp)')
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last_time=0
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last_rx=0
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last_tx=0
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rate=""
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readable() {
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local bytes=$1
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local kib=$(( bytes >> 10 ))
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if [ $kib -lt 0 ]; then
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echo "? K"
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elif [ $kib -gt 1024 ]; then
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local mib_int=$(( kib >> 10 ))
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local mib_dec=$(( kib % 1024 * 976 / 10000 ))
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if [ "$mib_dec" -lt 10 ]; then
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mib_dec="0${mib_dec}"
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fi
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echo "${mib_int}.${mib_dec} M"
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else
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echo "${kib} K"
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fi
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}
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update_rate() {
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local time=$(date +%s)
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local rx=0 tx=0 tmp_rx tmp_tx
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for iface in $ifaces; do
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read tmp_rx < "/sys/class/net/${iface}/statistics/rx_bytes"
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read tmp_tx < "/sys/class/net/${iface}/statistics/tx_bytes"
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rx=$(( rx + tmp_rx ))
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tx=$(( tx + tmp_tx ))
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done
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local interval=$(( $time - $last_time ))
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if [ $interval -gt 0 ]; then
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rate="$(readable $(( (rx - last_rx) / interval )))↓ $(readable $(( (tx - last_tx) / interval )))↑"
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else
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rate=""
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fi
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last_time=$time
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last_rx=$rx
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last_tx=$tx
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}
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i3status | (read line && echo "$line" && read line && echo "$line" && read line && echo "$line" && update_rate && while :
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do
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read line
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update_rate
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echo ",[{\"full_text\":\"${rate}\" },${line#,\[}" || exit 1
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done)
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