45 lines
1.3 KiB
Bash
Executable File
45 lines
1.3 KiB
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" "$0" ;;
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esac
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update() {
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sum=0
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for arg; do
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read -r i < "$arg"
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sum=$(( sum + i ))
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done
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cache=${XDG_CACHE_HOME:-$HOME/.cache}/${1##*/}
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[ -f "$cache" ] && read -r old < "$cache" || old=0
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printf %d\\n "$sum" > "$cache"
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printf %d\\n $(( sum - old ))
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}
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lasttime=${XDG_CACHE_HOME:-$HOME/.cache}/nettraf_time
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[ -f "$lasttime" ] && read -r previoustime < "$lasttime" || previoustime=0
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rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes)
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tx=$(update /sys/class/net/[ew]*/statistics/tx_bytes)
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timedifference=$(( "$(date +'%s')" - "$previoustime" ))
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if [ -n "$timedifference" ]; then
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rx_avg=$(( "$rx" / "$timedifference" ))
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tx_avg=$(( "$tx" / "$timedifference" ))
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else
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rx_avg=rx_bytes
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tx_avg=tx_bytes
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fi
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#only print if any traffic at all
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if [ "$rx_avg" -gt 0 ] || [ "$tx_avg" -gt 0 ]
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then
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printf "⬇%4sB/s|⬆%4sB/s\\n" $(numfmt --to=iec $rx_avg) $(numfmt --to=iec $tx_avg) | sed 's/ //g'
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fi
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date +'%s' > $lasttime
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