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linux wifi widget

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hal9000 2020-08-23 17:29:03 -04:00
parent dca8774f1b
commit 8f90ed6d49
2 changed files with 66 additions and 28 deletions
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93
internal/p10k.zsh
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@ -4903,12 +4903,19 @@ 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 ]]; then
if [[ -x /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport || -f /proc/net/wireless ]]; then
typeset -g _p9k__wifi_on=
typeset -g P9K_WIFI_LAST_TX_RATE=
typeset -g P9K_WIFI_SSID=
typeset -g P9K_WIFI_LINK_AUTH=
# 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_RSSI=
typeset -g P9K_WIFI_NOISE=
typeset -g P9K_WIFI_BARS=
@ -4918,27 +4925,64 @@ _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 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
{
[[ -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
{
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|Android)]]; 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 $proc_less ]] || return 0
# this method using iw is over 10x faster than the network manager method in benchmarking
# it's possible some systems are still using 'wireless_tools' (iw's ancestor) but they are long deprecated anyway
local device="$(iw dev | grep 'Interface ' | cut -d\ -f2)" || 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 $proc_less | tr -s ' ')" || return 0
# using cut is more performant than awk,sed,perl, but I haven't timed against zsh expansion pattern
rssi="${$($proc_out | cut -d\ -f4)%.*}"
noise="$($proc_out | cut -d\ -f5)"
# 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=$(echo $v | grep -o "^[0-9]+.[0-9]");;
esac
done
fi
if [[ $state != running || $rssi != (0|-<->) || $noise != (0|-<->) ]]; then
rssi=
noise=
@ -4991,13 +5035,6 @@ _p9k_prompt_wifi_async() {
}
}
_p9k_prompt_wifi_sync() {
if [[ -n $REPLY ]]; then
eval $REPLY
_p9k_worker_reply $REPLY
fi
}
function _p9k_asdf_check_meta() {
[[ -n $_p9k_asdf_meta_sig ]] || return
[[ -z $^_p9k_asdf_meta_non_files(#qN) ]] || return

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@ -0,0 +1 @@
2020/08/23 17:20:27 Micro started