voidrice/.local/bin/statusbar/nettraf
2020-05-30 11:41:29 -04:00

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#!/bin/sh
# Module showing network traffic. Shows how much data has been received (RX) or
# transmitted (TX) since the previous time this script ran. So if run every
# second, gives network traffic per second.
case "$BLOCK_BUTTON" in
3) notify-send "🌐 Network traffic module" "🔻: Traffic received
🔺: Traffic transmitted" ;;
6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac
logfile="${XDG_CACHE_HOME:-$HOME/.cache}/netlog"
prevdata="$(cat "$logfile")" || echo "0 0" > "$logfile"
rxcurrent="$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes)))"
txcurrent="$(($(paste -d '+' /sys/class/net/[^lo]*/statistics/tx_bytes)))"
printf "🔻%sKiB 🔺%sKiB\\n" \
"$(((rxcurrent-${prevdata%% *})/1024))" \
"$(((txcurrent-${prevdata##* })/1024))"
echo "$rxcurrent $txcurrent" > "$logfile"