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#!/bin/sh /etc/rc.common
USE_PROCD=1
START=97
STOP=01
append_string() {
varname="$1"
add="$2"
separator="${3:- }"
local actual
eval "actual=\$$varname"
new="${actual:+$actual$separator}$add"
eval "$varname=\$new"
}
time_to_seconds() {
time=$1
{ [ "$time" -ge 1 ] 2> /dev/null && seconds="$time"; } ||
{ [ "${time%s}" -ge 1 ] 2> /dev/null && seconds="${time%s}"; } ||
{ [ "${time%m}" -ge 1 ] 2> /dev/null && seconds=$((${time%m} * 60)); } ||
{ [ "${time%h}" -ge 1 ] 2> /dev/null && seconds=$((${time%h} * 3600)); } ||
{ [ "${time%d}" -ge 1 ] 2> /dev/null && seconds=$((${time%d} * 86400)); }
echo $seconds
unset seconds
unset time
}
config_watchcat() {
# Read config
config_get period "$1" period "120"
config_get mode "$1" mode "ping_reboot"
config_get pinghosts "$1" pinghosts "8.8.8.8"
config_get pingperiod "$1" pingperiod "60"
config_get forcedelay "$1" forcedelay "60"
config_get pingsize "$1" pingsize "standard"
config_get interface "$1" interface
config_get mmifacename "$1" mmifacename
config_get_bool unlockbands "$1" unlockbands "0"
config_get addressfamily "$1" addressfamily "any"
config_get script "$1" script
# Fix potential typo in mode and provide backward compatibility.
[ "$mode" = "allways" ] && mode="periodic_reboot"
[ "$mode" = "always" ] && mode="periodic_reboot"
[ "$mode" = "ping" ] && mode="ping_reboot"
# Checks for settings common to all operation modes
if [ "$mode" != "periodic_reboot" ] && [ "$mode" != "ping_reboot" ] && [ "$mode" != "restart_iface" ] && [ "$mode" != "run_script" ]; then
append_string "error" "mode must be 'periodic_reboot' or 'ping_reboot' or 'restart_iface' or 'run_script'" "; "
fi
period="$(time_to_seconds "$period")"
[ "$period" -ge 1 ] ||
append_string "error" "period has invalid format. Use time value(ex: '30'; '4m'; '6h'; '2d')" "; "
# ping_reboot mode and restart_iface mode specific checks
if [ "$mode" = "ping_reboot" ] || [ "$mode" = "restart_iface" ] || [ "$mode" = "run_script" ]; then
if [ -z "$error" ]; then
pingperiod_default="$((period / 5))"
pingperiod="$(time_to_seconds "$pingperiod")"
if [ "$pingperiod" -ge 0 ] && [ "$pingperiod" -ge "$period" ]; then
pingperiod="$(time_to_seconds "$pingperiod_default")"
append_string "warn" "pingperiod cannot be greater than $period. Defaulted to $pingperiod_default seconds (1/5 of period)" "; "
fi
if [ "$pingperiod" -lt 0 ]; then
append_string "warn" "pingperiod cannot be a negative value." "; "
fi
if [ "$mmifacename" != "" ] && [ "$period" -lt 30 ]; then
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."
fi
fi
fi
if [ "$mode" = "run_script" ] && [ -z "$script" ]; then
append_string "error" "run_script mode requires a script"
fi
# ping_reboot mode and periodic_reboot mode specific checks
if [ "$mode" = "ping_reboot" ] || [ "$mode" = "periodic_reboot" ]; then
forcedelay="$(time_to_seconds "$forcedelay")"
fi
[ -n "$warn" ] && logger -p user.warn -t "watchcat" "$1: $warn"
[ -n "$error" ] && {
logger -p user.err -t "watchcat" "reboot program $1 not started - $error"
return
}
# Need to conditionally run mode functions because they have different signatures
case "$mode" in
periodic_reboot)
procd_open_instance "watchcat_${1}"
procd_set_param command /usr/bin/watchcat.sh "periodic_reboot" "$period" "$forcedelay"
procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
procd_close_instance
;;
ping_reboot)
procd_open_instance "watchcat_${1}"
procd_set_param command /usr/bin/watchcat.sh "ping_reboot" "$period" "$forcedelay" "$pinghosts" "$pingperiod" "$pingsize" "$addressfamily"
procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
procd_close_instance
;;
restart_iface)
procd_open_instance "watchcat_${1}"
procd_set_param command /usr/bin/watchcat.sh "restart_iface" "$period" "$pinghosts" "$pingperiod" "$pingsize" "$interface" "$mmifacename" "$unlockbands" "$addressfamily"
procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
procd_close_instance
;;
run_script)
procd_open_instance "watchcat_${1}"
procd_set_param command /usr/bin/watchcat.sh "run_script" "$period" "$pinghosts" "$pingperiod" "$pingsize" "$interface" "$addressfamily" "$script"
procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
procd_close_instance
;;
*)
echo "Error starting Watchcat service. Invalid mode selection: $mode"
;;
esac
}
start_service() {
config_load watchcat
config_foreach config_watchcat watchcat
}
service_triggers() {
procd_add_reload_trigger "watchcat"
}
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