@ -4903,19 +4903,13 @@ prompt_wifi() {
( ( _p9k__has_upglob ) ) || typeset -g " _p9k__segment_val_ ${ _p9k__prompt_side } [_p9k__segment_index] " = $_p9k__prompt [ len+1,-1]
}
_p9k_prompt_wifi_init( ) {
if [ [ -x /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport || -f /proc/net/wireless ] ] ; then
if [ [ -x /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport ||
-r /proc/net/wireless && -n $commands [ iw] ] ] ; then
typeset -g _p9k__wifi_on =
typeset -g P9K_WIFI_LAST_TX_RATE =
typeset -g P9K_WIFI_SSID =
# possible refactor to set link_auth only on darwin
# or also possible to simply set linux link_auth to empty string and leave this scope as-is
if [ [ $_p9k_os = = OSX ] ] ; then
typeset -g P9K_WIFI_LINK_AUTH =
fi
typeset -g P9K_WIFI_LINK_AUTH =
typeset -g P9K_WIFI_RSSI =
typeset -g P9K_WIFI_NOISE =
typeset -g P9K_WIFI_BARS =
@ -4925,71 +4919,88 @@ _p9k_prompt_wifi_init() {
fi
}
_p9k_prompt_wifi_compute( ) {
_p9k_worker_async _p9k_prompt_wifi_async _p9k_prompt_wifi_sync
}
_p9k_prompt_wifi_async( ) {
local last_tx_rate ssid link_auth rssi noise bars on out line v state
{
if [ [ $_p9k_os = = OSX ] ] ; then
local airport = /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport
[ [ -x $airport ] ] || return 0
out = " $( $airport -I) " || return 0
for line in ${ ${ ${ (f)out } ##[[ : space : ]]# } %%[[ : space : ]]# } ; do
v = ${ line #* : }
case $line [ 1,-$# v-3] in
agrCtlRSSI) rssi = $v ; ;
agrCtlNoise) noise = $v ; ;
state) state = $v ; ;
lastTxRate) last_tx_rate = $v ; ;
link\ auth) link_auth = $v ; ;
SSID) ssid = $v ; ;
esac
done
elif [ [ $_p9k_os = = Linux] ] ; then
# iw tools only output 'noise' from a dump that requires superuser and a background service to be running, which probably isn't, so a separate process is needed
# /proc/net/wireless displays noise level up to date, w/o requiring superuser
local proc_less = /proc/net/wireless
[ [ -f $proc_less ] ] || return 0
# this method using iw is over 10x faster than the network manager method in benchmarking
# it's possible some systems are still using 'wireless_tools' (iw's ancestor) but they are long deprecated anyway
local device = " $( cut -d\ -f2 <<< $( iw dev | grep Interface) ) " || return 0
out = " $( iw dev $device link) " || return 0
# 'running' state guaranteed by 'device' and 'proc_less' var assignment
state = 'running'
local proc_out = " $( grep $device $proc_less | tr -s ' ' ) " || return 0
# using cut is more performant than awk,sed,perl, but I haven't timed against zsh expansion pattern
rssi = " ${ $( cut -d\ -f4 <<< $proc_out ) %.* } "
noise = " $( cut -d\ -f5 <<< $proc_out ) "
# it's possible to get boolean from iw to check authorization status from a dump, but getting the method (if any) requires superuser
link_auth = ""
for line in ${ ${ ${ (f)out } ##[[ : space : ]]# } %%[[ : space : ]]# } ; do
v = ${ line #* : }
case ${ line [1,- $# v -3] } in
SSID) ssid = $v ; ;
# formatting here to remove ' dBm' from tail
# note 'rssi' is also assigned up above, but this replacement pattern might be faster than using cut - needs benchmarking
signal) rssi = ${ v //[^0-9-]/ } ; ;
# formatting here to transform from 'xxx.x MBit/s MCS xx short GI' to 'xxx.x' where x's are integers
# benchmarking shows grep here is extremely fast (under .1 msc even on older hw), but you can change to native zsh pattern if you want
tx\ bitrate) last_tx_rate = $( cut -d\ -f1 <<< $v ) ; ;
esac
done
fi
if [ [ $state != running || $rssi != ( 0| -<->) || $noise != ( 0| -<->) ] ] ; then
rssi =
noise =
last_tx_rate =
link_auth =
ssid =
bars =
local airport = /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport
local last_tx_rate ssid link_auth rssi noise bars on out line v state iface
{
if [ [ -x $airport ] ] ; then
out = " $( $airport -I) " || return 0
for line in ${ ${ ${ (f)out } ##[[ : space : ]]# } %%[[ : space : ]]# } ; do
v = ${ line #* : }
case $line [ 1,-$# v-3] in
agrCtlRSSI) rssi = $v ; ;
agrCtlNoise) noise = $v ; ;
state) state = $v ; ;
lastTxRate) last_tx_rate = $v ; ;
link\ auth) link_auth = $v ; ;
SSID) ssid = $v ; ;
esac
done
if [ [ $state != running || $rssi != ( 0| -<->) || $noise != ( 0| -<->) ] ] ; then
rssi =
noise =
last_tx_rate =
link_auth =
ssid =
return 0
fi
on = 1
elif [ [ -r /proc/net/wireless && -n $commands [ iw] ] ] ; then
# Content example (https://github.com/romkatv/powerlevel10k/pull/973#issuecomment-680251804):
#
# Inter-| sta-| Quality | Discarded packets | Missed | WE
# face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
# wlp3s0: 0000 58. -52. -256 0 0 0 0 76 0
local -a lines
lines = ( ${ ${ (f) " $( </proc/net/wireless) " } : #* \| * } ) || return 0
( ( $# lines = = 1 ) ) || return 0
local parts = ( ${ =lines[1] } )
iface = ${ parts [1]% : }
state = ${ parts [2] }
rssi = ${ parts [4]%.* }
noise = ${ parts [5]%.* }
if [ [ -z $iface || $state != 0## || $rssi != ( 0| -<->) || $noise != ( 0| -<->) ] ] ; then
rssi =
noise =
return 0
fi
# Output example (https://github.com/romkatv/powerlevel10k/pull/973#issuecomment-680251804):
#
# Connected to 74:83:c2:be:76:da (on wlp3s0)
# SSID: DailyGrindGuest1
# freq: 5745
# RX: 35192066 bytes (27041 packets)
# TX: 4090471 bytes (24287 packets)
# signal: -52 dBm
# rx bitrate: 243.0 MBit/s VHT-MCS 6 40MHz VHT-NSS 2
# tx bitrate: 240.0 MBit/s VHT-MCS 5 40MHz short GI VHT-NSS 2
#
# bss flags: short-slot-time
# dtim period: 1
# beacon int: 100
lines = ( ${ (f) " $( command iw dev $iface link) " } ) || return 0
local -a match mbegin mend
for line in $lines ; do
if [ [ $line = = ( #b)[[:space:]]#SSID:[[:space:]]##([^[:space:]]##) ]]; then
ssid = $match [ 1]
elif [ [ $line = = ( #b)[[:space:]]#'tx bitrate:'[[:space:]]##([^[:space:]]##)' MBit/s'* ]]; then
last_tx_rate = $match [ 1]
[ [ $last_tx_rate = = <->.<-> ] ] && last_tx_rate = ${ ${ last_tx_rate %%0# } %. }
fi
done
if [ [ -z $ssid || -z $last_tx_rate ] ] ; then
rssi =
noise =
ssid =
last_tx_rate =
return 0
fi
on = 1
else
return 0
fi
# https://www.speedguide.net/faq/how-to-read-rssisignal-and-snrnoise-ratings-440
@ -5006,7 +5017,6 @@ _p9k_prompt_wifi_async() {
else
bars = 0
fi
on = 1
} always {
if [ [ $_p9k__wifi_on != $on ||
$P9K_WIFI_LAST_TX_RATE != $last_tx_rate ||
@ -5035,7 +5045,7 @@ _p9k_prompt_wifi_async() {
}
}
function ( ) {
_p9k_prompt_wifi_sync( ) {
if [ [ -n $REPLY ] ] ; then
eval $REPLY
_p9k_worker_reply $REPLY
Roman Perepelitsa
4 years ago