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make public_ip faster, especially when there is no internet connection

issue #92
This commit is contained in:
romkatv 2019-06-21 19:49:36 +02:00
parent 117b607b66
commit 6f5d35c3aa

View file

@ -537,56 +537,24 @@ prompt_battery() {
$1_prompt_segment $0_$state $2 "$bg" "$_P9K_BATTERY_STATES[$state]" $icon 0 '' $msg
}
typeset -gF _P9K_PUBLIC_IP_TIMESTAMP
typeset -g _P9K_PUBLIC_IP
################################################################
# Public IP segment
set_default -i POWERLEVEL9K_PUBLIC_IP_TIMEOUT 300
set_default -F POWERLEVEL9K_PUBLIC_IP_TIMEOUT 300
set_default -a POWERLEVEL9K_PUBLIC_IP_METHODS dig curl wget
set_default POWERLEVEL9K_PUBLIC_IP_NONE ""
set_default POWERLEVEL9K_PUBLIC_IP_HOST "http://ident.me"
set_default POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE ""
prompt_public_ip() {
if (( ! $#_P9K_PUBLIC_IP || EPOCHREALTIME >= _P9K_PUBLIC_IP_TIMESTAMP + POWERLEVEL9K_PUBLIC_IP_TIMEOUT )); then
_P9K_PUBLIC_IP=''
local method
for method in $POWERLEVEL9K_PUBLIC_IP_METHODS; do
case $method in
'dig')
if (( $+commands[dig] )); then
_P9K_PUBLIC_IP="$(command dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
[[ $_P9K_PUBLIC_IP == ';'* ]] && _P9K_PUBLIC_IP=''
fi
;;
'curl')
if (( $+commands[curl] )); then
_P9K_PUBLIC_IP="$(command curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
fi
;;
'wget')
if (( $+commands[wget] )); then
_P9K_PUBLIC_IP="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
fi
;;
esac
if [[ -n $_P9K_PUBLIC_IP ]]; then
_P9K_PUBLIC_IP_TIMESTAMP=$EPOCHREALTIME
break
fi
done
fi
local ip=${_P9K_PUBLIC_IP:-$POWERLEVEL9K_PUBLIC_IP_NONE}
[[ -n $ip ]] || return
local icon='PUBLIC_IP_ICON'
if [[ -n $POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE ]]; then
_p9k_parse_ip $POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE && icon='VPN_ICON'
fi
$1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "$icon" 0 '' "${ip//\%/%%}"
local ip='${_P9K_PUBLIC_IP:-$POWERLEVEL9K_PUBLIC_IP_NONE}'
$1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "$icon" 1 $ip $ip
}
################################################################
@ -1557,8 +1525,8 @@ set_default POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME false
set_default POWERLEVEL9K_TIME_FORMAT "%D{%H:%M:%S}"
prompt_time() {
local t=$POWERLEVEL9K_TIME_FORMAT
[[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] || t=${(%)t}
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR_INVERTED" "$DEFAULT_COLOR" "TIME_ICON" 0 '' "${t//\%/%%}"
[[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] || t=${${(%)t}//\%/%%}
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR_INVERTED" "$DEFAULT_COLOR" "TIME_ICON" 0 '' "$t"
}
################################################################
@ -1566,8 +1534,8 @@ prompt_time() {
set_default POWERLEVEL9K_DATE_FORMAT "%D{%d.%m.%y}"
prompt_date() {
local d=$POWERLEVEL9K_DATE_FORMAT
[[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] || d=${(%)d}
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR_INVERTED" "$DEFAULT_COLOR" "DATE_ICON" 0 '' "${d//\%/%%}"
[[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] || d=${${(%)d}//\%/%%}
"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR_INVERTED" "$DEFAULT_COLOR" "DATE_ICON" 0 '' "$d"
}
################################################################
@ -2336,68 +2304,143 @@ typeset -g OS
typeset -g OS_ICON
typeset -g SED_EXTENDED_REGEX_PARAMETER
typeset -g _P9K_TIMER_FIFO
typeset -gi _P9K_TIMER_FD=0
typeset -gi _P9K_TIMER_PID=0
typeset -gi _P9K_TIMER_SUBSHELL=0
typeset -g _P9K_ASYNC_PUMP_LINE
typeset -g _P9K_ASYNC_PUMP_FIFO
typeset -gi _P9K_ASYNC_PUMP_FD=0
typeset -gi _P9K_ASYNC_PUMP_PID=0
typeset -gi _P9K_ASYNC_PUMP_SUBSHELL=0
_p9k_init_timer() {
_p9k_start_timer() {
_p9k_init_async_pump() {
local -i public_ip time_realtime
segment_in_use public_ip && public_ip=1
segment_in_use time && [[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]] && time_realtime=1
(( public_ip || time_realtime )) || return
_p9k_start_async_pump() {
emulate -L zsh
setopt err_return no_bg_nice
_P9K_TIMER_FIFO=$(mktemp -u "${TMPDIR:-/tmp}"/p9k.$$.timer.pipe.XXXXXXXXXX)
mkfifo $_P9K_TIMER_FIFO
sysopen -rw -o cloexec,sync -u _P9K_TIMER_FD $_P9K_TIMER_FIFO
zsystem flock $_P9K_TIMER_FIFO
_P9K_ASYNC_PUMP_FIFO=$(mktemp -u "${TMPDIR:-/tmp}"/p9k.$$.async.pump.XXXXXXXXXX)
mkfifo $_P9K_ASYNC_PUMP_FIFO
sysopen -rw -o cloexec,sync -u _P9K_ASYNC_PUMP_FD $_P9K_ASYNC_PUMP_FIFO
zsystem flock $_P9K_ASYNC_PUMP_FIFO
function _p9k_on_timer() {
function _p9k_on_async_message() {
emulate -L zsh
local dummy
while IFS='' read -t -u $_P9K_TIMER_FD dummy; do true; done
local msg=''
while IFS='' read -r -t -u $_P9K_ASYNC_PUMP_FD msg; do
eval $_P9K_ASYNC_PUMP_LINE$msg
_P9K_ASYNC_PUMP_LINE=
msg=
done
_P9K_ASYNC_PUMP_LINE+=$msg
zle && zle .reset-prompt && zle -R
}
zle -F $_P9K_TIMER_FD _p9k_on_timer
zle -F $_P9K_ASYNC_PUMP_FD _p9k_on_async_message
# `kill -WINCH $$` is a workaround for a bug in zsh. After a background job completes, callbacks
# registered with `zle -F` stop firing until the user presses any key or the process receives a
# signal (any signal at all).
zsh -c "
zmodload zsh/system
while sleep 1 && ! zsystem flock -t 0 ${(q)_P9K_TIMER_FIFO} && kill -WINCH $$ && echo; do
true
function _p9k_async_pump() {
emulate -L zsh && zmodload zsh/system && zmodload zsh/datetime && echo ok || return
local ip last_ip
local -F next_ip_time
while ! zsystem flock -t 0 $fifo 2>/dev/null && kill -0 $parent_pid; do
if (( time_realtime )); then
echo || break
# SIGWINCH is a workaround for a bug in zsh. After a background job completes, callbacks
# registered with `zle -F` stop firing until the user presses any key or the process
# receives a signal (any signal at all).
# Fix: https://github.com/zsh-users/zsh/commit/5e11082349bf72897f93f3a4493a97a2caf15984.
kill -WINCH $parent_pid
fi
if (( public_ip && EPOCHREALTIME >= next_ip_time )); then
ip=
local method=''
local -F start=EPOCHREALTIME
next_ip_time=$((start + 5))
for method in $ip_methods $ip_methods; do
case $method in
dig)
if (( $+commands[dig] )); then
ip=$(command dig +tries=1 +short -4 A myip.opendns.com @resolver1.opendns.com 2>/dev/null)
[[ $ip == ';'* ]] && ip=
if [[ -z $ip ]]; then
ip=$(command dig +tries=1 +short -6 AAAA myip.opendns.com @resolver1.opendns.com 2>/dev/null)
[[ $ip == ';'* ]] && ip=
fi
fi
;;
curl)
if (( $+commands[curl] )); then
ip=$(command curl --max-time 5 -w '\n' "$ip_url" 2>/dev/null)
fi
;;
wget)
if (( $+commands[wget] )); then
ip=$(wget -T 5 -qO- "$ip_url" 2>/dev/null)
fi
;;
esac
[[ $ip =~ '^[0-9a-f.:]+$' ]] || ip=''
if [[ -n $ip ]]; then
next_ip_time=$((start + tout))
break
fi
done
if [[ $ip != $last_ip ]]; then
last_ip=$ip
echo _P9K_PUBLIC_IP=${(q)${${ip//\%/%%}//$'\n'}} || break
kill -WINCH $parent_pid
fi
fi
sleep 1
done
command rm -f ${(q)_P9K_TIMER_FIFO}
" </dev/null >&$_P9K_TIMER_FD 2>/dev/null &!
command rm -f $fifo
}
_P9K_TIMER_PID=$!
_P9K_TIMER_SUBSHELL=$ZSH_SUBSHELL
zsh -dfc "
local -i public_ip=$public_ip time_realtime=$time_realtime parent_pid=$$
local -a ip_methods=($POWERLEVEL9K_PUBLIC_IP_METHODS)
local -F tout=$POWERLEVEL9K_PUBLIC_IP_TIMEOUT
local ip_url=$POWERLEVEL9K_PUBLIC_IP_HOST
local fifo=$_P9K_ASYNC_PUMP_FIFO
$functions[_p9k_async_pump]
" </dev/null >&$_P9K_ASYNC_PUMP_FD 2>/dev/null &!
function _p9k_kill_timer() {
_P9K_ASYNC_PUMP_PID=$!
_P9K_ASYNC_PUMP_SUBSHELL=$ZSH_SUBSHELL
unfunction _p9k_async_pump
local resp
read -r -u $_P9K_ASYNC_PUMP_FD resp && [[ $resp == ok ]]
function _p9k_kill_async_pump() {
emulate -L zsh
if (( ZSH_SUBSHELL == _P9K_TIMER_SUBSHELL )); then
(( _P9K_TIMER_PID )) && kill -- -$_P9K_TIMER_PID &>/dev/null
command rm -f $_P9K_TIMER_FIFO
if (( ZSH_SUBSHELL == _P9K_ASYNC_PUMP_SUBSHELL )); then
(( _P9K_ASYNC_PUMP_PID )) && kill -- -$_P9K_ASYNC_PUMP_PID &>/dev/null
command rm -f $_P9K_ASYNC_PUMP_FIFO
fi
}
add-zsh-hook zshexit _p9k_kill_timer
add-zsh-hook zshexit _p9k_kill_async_pump
}
if ! _p9k_start_timer ; then
echo "powerlevel10k: failed to initialize background timer" >&2
if (( _P9K_TIMER_FD )); then
zle -F $_P9K_TIMER_FD
exec {_P9K_TIMER_FD}>&-
_P9K_TIMER_FD=0
if ! _p9k_start_async_pump ; then
>&2 print -P "%F{red}[ERROR]%f Powerlevel10k failed to start async worker. The following segments may malfunction: "
(( public_ip )) && >&2 print -P " - %F{green}public_ip%f"
(( time_realtime )) && >&2 print -P " - %F{green}time%f"
if (( _P9K_ASYNC_PUMP_FD )); then
zle -F $_P9K_ASYNC_PUMP_FD
exec {_P9K_ASYNC_PUMP_FD}>&-
_P9K_ASYNC_PUMP_FD=0
fi
if (( _P9K_TIMER_PID )); then
kill -- -$_P9K_TIMER_PID &>/dev/null
_P9K_TIMER_PID=0
if (( _P9K_ASYNC_PUMP_PID )); then
kill -- -$_P9K_ASYNC_PUMP_PID &>/dev/null
_P9K_ASYNC_PUMP_PID=0
fi
command rm -f $_P9K_TIMER_FIFO
_P9K_TIMER_FIFO=''
unset -f _p9k_on_timer
command rm -f $_P9K_ASYNC_PUMP_FIFO
_P9K_ASYNC_PUMP_FIFO=''
unset -f _p9k_on_async_message
fi
}
@ -2432,6 +2475,7 @@ _p9k_init_strings() {
_p9k_g_expand POWERLEVEL9K_DIR_PATH_SEPARATOR
_p9k_g_expand POWERLEVEL9K_HOME_FOLDER_ABBREVIATION
_p9k_g_expand POWERLEVEL9K_HOST_TEMPLATE
_p9k_g_expand POWERLEVEL9K_PUBLIC_IP_NONE
_p9k_g_expand POWERLEVEL9K_SHORTEN_DELIMITER
_p9k_g_expand POWERLEVEL9K_TIME_FORMAT
_p9k_g_expand POWERLEVEL9K_USER_TEMPLATE
@ -2529,10 +2573,6 @@ _p9k_init() {
fi
done
if [[ $POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME == true ]]; then
_p9k_init_timer
fi
# Bug fixed in: https://github.com/zsh-users/zsh/commit/3eea35d0853bddae13fa6f122669935a01618bf9.
# If affects most terminals when RPROMPT is non-empty and ZLE_RPROMPT_INDENT is zero.
# We can work around it as long as RPROMPT ends with a space.
@ -2666,6 +2706,8 @@ _p9k_init() {
fi
fi
_p9k_init_async_pump
if segment_in_use vi_mode && (( $+POWERLEVEL9K_VI_VISUAL_MODE_STRING )); then
if is-at-least 5.3; then
function _p9k_zle_line_pre_redraw() {