daf2829167
it would not run without an existing nonempty log file
24 lines
812 B
Bash
Executable file
24 lines
812 B
Bash
Executable file
#!/bin/sh
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# Module showing network traffic. Shows how much data has been received (RX) or
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# transmitted (TX) since the previous time this script ran. So if run every
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# second, gives network traffic per second.
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case "$BLOCK_BUTTON" in
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3) notify-send "🌐 Network traffic module" "🔻: Traffic received
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🔺: Traffic transmitted" ;;
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6) "$TERMINAL" -e "$EDITOR" "$0" ;;
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esac
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logfile="${XDG_CACHE_HOME:-$HOME/.cache}/netlog"
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prevdata="$(cat "$logfile")"
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rxcurrent="$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes)))"
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[ -f "$logfile" ] || echo "0 0" > $logfile
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txcurrent="$(($(paste -d '+' /sys/class/net/[^lo]*/statistics/tx_bytes)))"
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printf "🔻%sKiB 🔺%sKiB\\n" \
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"$(((rxcurrent-${prevdata%% *})/1024))" \
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"$(((txcurrent-${prevdata##* })/1024))"
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echo "$rxcurrent $txcurrent" > "$logfile"
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