voidrice/.local/bin/statusbar/nettraf
2020-05-31 20:59:32 +01:00

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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:-$HOME/.cache}/netlog
[ -f "$logfile" ] || echo "0 0" > "$logfile"
read -r rxprev txprev < "$logfile"
rxcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes)))
txcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/tx_bytes)))
printf "🔻%dKiB 🔺%dKiB\\n" "$(((rxcurrent-rxprev)/1024))" "$(((txcurrent-txprev)/1024))"
echo "$rxcurrent $txcurrent" > "$logfile"