56 lines
1.2 KiB
Bash
Executable File
56 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Show noise and signal levels of wifi enabled devices.
|
|
# Author: Nicolai Langfeldt, janl@linprolno
|
|
# Modifications: Sebastián Cruz, crux@lugmen.org.ar
|
|
# License: GPL v. 2
|
|
#
|
|
#%# family=auto
|
|
#%# capabilities=autoconf
|
|
|
|
PNWL=/proc/net/wireless
|
|
|
|
do_fetch () {
|
|
awk -F'[ :]*' '/:/ {
|
|
gsub(/\. /," ",$0); # Remove periods with no decimals after
|
|
print $2"_noise.value "$6;
|
|
print $2"_signal.value "$5;
|
|
}' $PNWL
|
|
}
|
|
|
|
do_config () {
|
|
echo "graph_title WiFi signal and noise"
|
|
echo "graph_args --base 1000 -u 0"
|
|
echo "graph_vlabel dB"
|
|
echo "graph_category wireless"
|
|
echo "graph_info This graph shows the noise and singal levels of your WiFi devices"
|
|
|
|
awk -F'[ :]*' '/:/ {
|
|
print $2"_noise.label Noise "$2;
|
|
print $2"_signal.label Signal "$2;
|
|
}' $PNWL
|
|
}
|
|
|
|
do_autoconf () {
|
|
if [ ! -f "$PNWL" ]; then
|
|
echo "no (missing file '$PNWL')"
|
|
elif [ ! -r "$PNWL" ]; then
|
|
echo "no (cannot read file '$PNWL')"
|
|
elif grep -qs : "$PNWL"; then
|
|
echo yes
|
|
else
|
|
echo "no (no devices in $PNWL)"
|
|
fi
|
|
exit 0
|
|
}
|
|
|
|
case $1 in
|
|
config|autoconf)
|
|
eval do_$1
|
|
exit 0;;
|
|
'')
|
|
do_fetch
|
|
exit 0;;
|
|
esac
|
|
|