mirror of
https://github.com/unraid/webgui.git
synced 2026-01-05 17:20:04 -06:00
75 lines
2.0 KiB
Bash
Executable File
75 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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docroot=/usr/local/emhttp # webGui root folder
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nchan_pid=/var/run/nchan.pid # keeps list of nchan processes registered by GUI
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disk_load=/var/local/emhttp/diskload.ini # disk load statistics
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nginx=/var/run/nginx.socket # nginx local access
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status=http://localhost/pub/session?buffer_length=1 # nchan information about GUI subscribers
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nchan_list=/tmp/nchan_list.tmp
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nchan_id=$(basename "$0")
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nchan_stop() {
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echo -n >$nchan_list
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while IFS=$'\n' read -r nchan; do
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[[ ${nchan##*/} == '.*' ]] && continue
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echo $nchan >>$nchan_list
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pkill -f $nchan
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done <<< $(ps -eo cmd | grep -Po '/usr/local/emhttp/.*/nchan/.*')
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}
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nchan_start() {
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[[ -e $nchan_list ]] || return
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while IFS=$'\n' read -r nchan; do
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if ! pgrep -f $nchan >/dev/null; then
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$nchan &>/dev/null &
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fi
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done < $nchan_list
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rm -f $nchan_list
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}
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if [[ $1 == kill ]]; then
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echo "Stopping nchan processes..."
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nchan_stop
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rm -f $nchan_pid $disk_load
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exit
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fi
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if [[ $1 == stop ]]; then
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echo "Stopping nchan processes..."
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nchan_stop
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exit
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fi
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if [[ $1 == start ]]; then
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echo "Starting nchan processes..."
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nchan_start
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exit
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fi
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start=$(date +%s)
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while :; do
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# only act when GUI registered nchan processes are running
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if [[ -s $nchan_pid ]]; then
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# get number of GUI nchan subscribers
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subs=$(curl --unix-socket $nginx $status 2>/dev/null | grep -Pom1 'subscribers: \K\d+')
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if [[ -z $subs || $subs -eq 0 ]]; then
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sleep 5
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# steady state?
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subs=$(curl --unix-socket $nginx $status 2>/dev/null | grep -Pom1 'subscribers: \K\d+')
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if [[ -z $subs || $subs -eq 0 ]]; then
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now=$(date +%s)
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# log at 1 hour interval
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if [[ $((now-start)) -ge 3600 ]]; then
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logger -t $nchan_id -- "Stop running nchan processes"
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start=$now
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fi
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nchan_stop
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# empty GUI registered list & statistics
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rm -f $nchan_pid $disk_load
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fi
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fi
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fi
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# check every 30 seconds
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sleep 30
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done &
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disown %%
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