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109 lines
3.1 KiB
109 lines
3.1 KiB
#!/bin/sh /etc/rc.common
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START=97
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PIDFILE="/tmp/run/watchcat"
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append_string() {
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local varname="$1"; local add="$2"; local separator="${3:- }"; local actual
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eval "actual=\$$varname"
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new="${actual:+$actual$separator}$add"
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eval "$varname=\$new"
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}
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timetoseconds() {
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local time=$1
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unset seconds
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{ [ "$time" -ge 1 ] 2> /dev/null && seconds="$time"; } || \
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{ [ "${time%s}" -ge 1 ] 2> /dev/null && seconds="${time%s}"; } || \
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{ [ "${time%m}" -ge 1 ] 2> /dev/null && seconds=$((${time%m}*60)); } || \
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{ [ "${time%h}" -ge 1 ] 2> /dev/null && seconds=$((${time%h}*3600)); } || \
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{ [ "${time%d}" -ge 1 ] 2> /dev/null && seconds=$((${time%d}*86400)); }
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}
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load_watchcat() {
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config_get period $1 period
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config_get mode $1 mode "always"
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config_get pinghosts $1 pinghosts "8.8.8.8"
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config_get pingperiod $1 pingperiod
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config_get forcedelay $1 forcedelay "0"
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# Fix potential typo in mode (backward compatibility).
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[ "$mode" = "allways" ] && mode="always"
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error=""
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timetoseconds "$period"
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period="$seconds"
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[ "$period" -ge 1 ] \
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|| append_string "error" 'period is not a valid time value (ex: "30"; "4m"; "6h"; "2d")' "; "
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[ "$mode" = "always" -o "$mode" = "ping" ] \
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|| append_string "error" "mode must be 'always' or 'ping'" "; "
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[ -n "$pinghosts" -o "$mode" = "always" ] \
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|| append_string "error" "pinghosts must be set when in 'ping' mode" "; "
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[ "$mode" = "ping" ] && {
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if [ -n "$pingperiod" ]
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then
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timetoseconds "$pingperiod"
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pingperiod="$seconds"
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if [ "$pingperiod" -ge 0 ]
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then
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[ "$pingperiod" -lt "$period" ] \
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|| append_string "error" "pingperiod must be less than period" "; "
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else
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append_string "error" 'pingperiod is not a valid time value (ex: "30"; "4m"; "6h"; "2d")' "; "
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fi
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else
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pingperiod="$((period/20))"
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fi
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}
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[ "$forcedelay" -ge 0 ] \
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|| append_string "error" "forcedelay must be a integer greater or equal than 0, where 0 means disabled" "; "
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[ -n "$error" ] && { logger -p user.err -t "watchcat" "reboot program $1 not started - $error"; return; }
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if [ "$mode" = "always" ]
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then
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/usr/bin/watchcat.sh "always" "$period" "$forcedelay" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;forcedelay=$forcedelay)"
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else
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/usr/bin/watchcat.sh "period" "$period" "$forcedelay" "$pinghosts" "$pingperiod" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;pinghosts=$pinghosts;pingperiod=$pingperiod;forcedelay=$forcedelay)"
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fi
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echo $! >> "${PIDFILE}.pids"
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}
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stop() {
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if [ -f "${PIDFILE}.pids" ]
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then
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logger -p user.info -t "watchcat" "stopping all tasks"
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while read pid
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do
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kill "$pid"
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done < "${PIDFILE}.pids"
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rm "${PIDFILE}.pids"
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logger -p user.info -t "watchcat" "all tasks stopped"
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else
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logger -p user.info -t "watchcat" "no tasks running"
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fi
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}
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start() {
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[ -f "${PIDFILE}.pids" ] && stop
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config_load system
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if [ -n "$(uci show system.@watchcat[0])" ] # at least one watchcat section exists
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then
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logger -p user.info -t "watchcat" "starting all tasks"
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config_foreach load_watchcat watchcat
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logger -p user.info -t "watchcat" "all tasks started"
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else
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logger -p user.info -t "watchcat" "no tasks defined"
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fi
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}
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