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142 lines
4.5 KiB
142 lines
4.5 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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varname="$1"
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add="$2"
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separator="${3:- }"
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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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time_to_seconds() {
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time=$1
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{ [ "$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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echo $seconds
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unset seconds
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unset time
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}
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load_watchcat() {
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config_get period "$1" period "120"
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config_get mode "$1" mode "restart_iface"
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config_get pinghosts "$1" pinghosts "8.8.8.8"
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config_get pingperiod "$1" pingperiod "60"
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config_get forcedelay "$1" forcedelay "60"
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config_get pingsize "$1" pingsize "standard"
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config_get interface "$1" interface
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config_get mmifacename "$1" mmifacename
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config_get unlockbands "$1" unlockbands "0"
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# Fix potential typo in mode and provide backward compatibility.
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[ "$mode" = "allways" ] && mode="periodic_reboot"
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[ "$mode" = "always" ] && mode="periodic_reboot"
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[ "$mode" = "ping" ] && mode="ping_reboot"
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error=""
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warn=""
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# Checks for settings common to all operation modes
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if [ "$mode" != "periodic_reboot" ] && [ "$mode" != "ping_reboot" ] && [ "$mode" != "restart_iface" ]; then
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append_string "error" "mode must be 'periodic_reboot' or 'ping_reboot' or 'restart_iface'" "; "
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fi
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period="$(time_to_seconds "$period")"
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[ "$period" -ge 1 ] ||
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append_string "error" "period has invalid format! Use time value(ex: '30'; '4m'; '6h'; '2d')" "; "
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# ping_reboot mode and restart_iface mode specific checks
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if [ "$mode" = "ping_reboot" ] || [ "$mode" = "restart_iface" ]; then
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if [ -z "$error" ]; then
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pingperiod_default="$((period / 5))"
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pingperiod="$(time_to_seconds "$pingperiod")"
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if [ "$pingperiod" -ge 0 ] && [ "$pingperiod" -ge "$period" ]; then
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pingperiod="$(time_to_seconds "$pingperiod_default")"
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append_string "warn" "pingperiod cannot be greater than $period. Defaulted to $pingperiod_default seconds (1/5 of period)" "; "
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fi
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if [ "$pingperiod" -lt 0 ]; then
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append_string "warn" "pingperiod cannot be a negative value." "; "
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fi
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if [ "$mmifacename" != "" ] && [ "$period" -lt 30 ]; then
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append_string "error" "Check interval is less than 30s. For robust operation with ModemManager modem interfaces it is recommended to set the period to at least 30s."
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fi
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fi
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fi
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# ping_reboot mode and periodic_reboot mode specific checks
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if [ "$mode" = "ping_reboot" ] || [ "$mode" = "periodic_reboot" ]; then
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forcedelay="$(time_to_seconds "$forcedelay")"
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fi
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[ -n "$warn" ] && logger -p user.warn -t "watchcat" "$1: $warn"
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[ -n "$error" ] && {
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logger -p user.err -t "watchcat" "reboot program $1 not started - $error"
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return
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}
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case "$mode" in
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periodic_reboot)
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/usr/bin/watchcat.sh "periodic_reboot" "$period" "$forcedelay" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;forcedelay=$forcedelay)"
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;;
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ping_reboot)
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/usr/bin/watchcat.sh "ping_reboot" "$period" "$forcedelay" "$pinghosts" "$pingperiod" "$pingsize" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;pinghosts=$pinghosts;pingperiod=$pingperiod;forcedelay=$forcedelay;pingsize=$pingsize)"
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;;
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restart_iface)
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/usr/bin/watchcat.sh "restart_iface" "$period" "$pinghosts" "$pingperiod" "$pingsize" "$interface" "$mmifacename" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;pinghosts=$pinghosts;pingperiod=$pingperiod;pingsize=$pingsize;interface=$interface;mmifacename=$mmifacename;unlockbands=$unlockbands)"
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;;
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*)
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echo "Error starting Watchcat service. Invalid mode selection: $mode"
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;;
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esac
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echo $! >>"${PIDFILE}.pids"
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}
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stop() {
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if [ -f "${PIDFILE}.pids" ]; then
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logger -p user.info -t "watchcat" "stopping all tasks"
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while read pid; do
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kill -KILL "$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])" ]; then # at least one watchcat section exists
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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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