plugin-network_wireless: linkquality

#!/bin/sh

case $1 in
   config)
        cat <<'EOM'
graph_title Wireless Link Quality
#graph_vlabel Link quality (/100) - Signal/Noise levels

quality.label quality
signal.label signal
noise.label noise
rate.label rate
power.label power
sens.label sens

graph_args --base 1000 -l 0
graph_scale no
graph_category network
quality.warning 5:
quality.critical 1:

graph_info Link quality of the wireless network connection and signal/noise levels

quality.info Average link quality for the five minutes.
signal.info Average signal level for the five minutes.
noise.info Average signal level for the five minutes.
rate.info Average bit rate for the five minutes
power.info Average transmit power for the five minutes
sens.info Average sensitivity for the five minutes

EOM
        exit 0;;
esac

echo -n "quality.value "
iwconfig ath0 | grep Quality | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|[ \t]+" } { print $4 }'
echo -n "signal.value "
iwconfig ath0 | grep Quality | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|[ \t]+" } { print $8 }'
echo -n "noise.value "
iwconfig ath0 | grep Quality | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|[ \t]+" } { print $12 }'
echo -n "rate.value "
iwconfig ath0 | grep Sensitivity | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|:[ \t]*|[ \t]+" } { print $4 }'
echo -n "power.value "
iwconfig ath0 | grep Sensitivity | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|:[ \t]*|[ \t]+" } { print $8 }'
echo -n "sens.value "
iwconfig ath0 | grep Sensitivity | awk 'BEGIN { FS = "=[ \t]*|/[ \t]*|:[ \t]*|[ \t]+" } { print $11 }'