Merge pull request #14225 from nickberry17/update_watchcat_util
watchcat: add restart_iface and ping size features + refactor
This commit is contained in:
commit
d5047303d6
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=watchcat
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PKG_NAME:=watchcat
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PKG_VERSION:=1
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PKG_VERSION:=1
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PKG_RELEASE:=8
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PKG_RELEASE:=11
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PKG_MAINTAINER:=Roger D <rogerdammit@gmail.com>
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PKG_MAINTAINER:=Roger D <rogerdammit@gmail.com>
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PKG_LICENSE:=GPL-2.0
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PKG_LICENSE:=GPL-2.0
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@ -5,123 +5,120 @@ START=97
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PIDFILE="/tmp/run/watchcat"
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PIDFILE="/tmp/run/watchcat"
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append_string() {
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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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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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eval "actual=\$$varname"
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new="${actual:+$actual$separator}$add"
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new="${actual:+$actual$separator}$add"
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eval "$varname=\$new"
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eval "$varname=\$new"
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}
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}
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timetoseconds() {
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time_to_seconds() {
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local time=$1
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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" -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%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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{ [ "${time%m}" -ge 1 ] 2>/dev/null && seconds=$((${time%m} * 60)); } ||
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{ [ "${time%h}" -ge 1 ] 2> /dev/null && seconds=$((${time%h}*3600)); } || \
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{ [ "${time%h}" -ge 1 ] 2>/dev/null && seconds=$((${time%h} * 3600)); } ||
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{ [ "${time%d}" -ge 1 ] 2> /dev/null && seconds=$((${time%d}*86400)); }
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{ [ "${time%d}" -ge 1 ] 2>/dev/null && seconds=$((${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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}
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load_watchcat() {
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load_watchcat() {
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config_get period $1 period
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config_get period "$1" period "120"
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config_get mode $1 mode
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config_get mode "$1" mode "restart_iface"
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config_get pinghosts $1 pinghosts
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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 pingperiod "$1" pingperiod "60"
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config_get nopingtime $1 nopingtime
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config_get forcedelay "$1" forcedelay "60"
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config_get forcedelay $1 forcedelay
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config_get pingsize "$1" pingsize "standard"
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config_get interface "$1" interface
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local nopingtime_dflt="900"
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config_get mmifacename "$1" mmifacename
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local forcedelay_dflt="60"
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config_get unlockbands "$1" unlockbands "0"
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# Fix potential typo in mode (backward compatibility).
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[ "$mode" = "allways" ] && mode="always"
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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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[ "$mode" = "ping" ] && mode="ping_reboot"
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error=""
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error=""
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warn=""
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warn=""
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if [ -z "$period" ]
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# Checks for settings common to all operation modes
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then
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if [ "$mode" != "periodic_reboot" ] && [ "$mode" != "ping_reboot" ] && [ "$mode" != "restart_iface" ]; then
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append_string "error" "period is not set! Use time value(ex: '30'; '4m'; '6h'; '2d')." "; "
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append_string "error" "mode must be 'periodic_reboot' or 'ping_reboot' or 'restart_iface'" "; "
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else
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timetoseconds "$period";period="$seconds"
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[ "$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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fi
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fi
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[ "$mode" = "always" -o "$mode" = "ping" ] \
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period="$(time_to_seconds "$period")"
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|| append_string "error" "mode must be 'always' or 'ping'" "; "
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[ "$period" -ge 1 ] ||
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append_string "error" "period has invalid format! Use time value(ex: '30'; '4m'; '6h'; '2d')" "; "
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if [ -z "$forcedelay" ]
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then
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# ping_reboot mode and restart_iface mode specific checks
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forcedelay="$forcedelay_dflt"
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if [ "$mode" = "ping_reboot" ] || [ "$mode" = "restart_iface" ]; then
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append_string "warn" "forcedelay is not configured! Defaulted to $forcedelay seconds" "; "
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else
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if [ -z "$error" ]; then
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[ "$forcedelay" -ge 0 ] || {
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forcedelay="$forcedelay_dflt"
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pingperiod_default="$((period / 5))"
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append_string "warn" "forcedelay is invalid! Defaulted to $forcedelay seconds" "; "
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}
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pingperiod="$(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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fi
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[ -z "$error" -a "$mode" = "ping" ] && {
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# ping_reboot mode and periodic_reboot mode specific checks
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[ -z "$pinghosts" ] \
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if [ "$mode" = "ping_reboot" ] || [ "$mode" = "periodic_reboot" ]; then
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&& append_string "error" "pinghosts must be set in 'ping' mode! Use space separated address list (ex: '8.8.8.8 9.9.9.9')" "; "
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forcedelay="$(time_to_seconds "$forcedelay")"
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fi
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if [ -z "$nopingtime" ]
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then
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nopingtime="$nopingtime_dflt"
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append_string "warn" "nopingtime is not configured! Defaulted to $nopingtime seconds" "; "
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else
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timetoseconds "$nopingtime";nopingtime="$seconds"
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[ "$nopingtime" -ge 0 ] || {
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nopingtime="$nopingtime_dflt"
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append_string "warn" "nopingtime invalid format! Use time value(ex: '30'; '4m'; '6h'; '2d'). Defaulted to $nopingtime seconds" "; "
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}
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fi
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local pingperiod_dflt="$((period/5))"
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if [ -z "$pingperiod" ]
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then
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pingperiod="$pingperiod_dflt"
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append_string "warn" "pingperiod is not configured! Defaulted to $pingperiod seconds(1/5 of period)" "; "
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else
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timetoseconds "$pingperiod";pingperiod="$seconds"
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[ "$pingperiod" -ge 0 -a "$pingperiod" -ge "$period" ] && {
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pingperiod="$pingperiod_dflt"
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append_string "warn" "pingperiod is invalid value(greater than period)! Defaulted to $pingperiod seconds(1/5 of period)" "; "
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}
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[ "$pingperiod" -ge 0 ] || {
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pingperiod="$pingperiod_dflt"
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append_string "warn" "pingperiod has invalid format! Use time value(ex: '30'; '4m'; '6h'; '2d'). Defaulted to $pingperiod seconds(1/5 of period)" "; "
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}
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fi
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}
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[ -n "$warn" ] && logger -p user.warn -t "watchcat" "$1: $warn"
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[ -n "$warn" ] && logger -p user.warn -t "watchcat" "$1: $warn"
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[ -n "$error" ] && { logger -p user.err -t "watchcat" "reboot program $1 not started - $error"; return; }
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[ -n "$error" ] && {
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logger -p user.err -t "watchcat" "reboot program $1 not started - $error"
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return
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}
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if [ "$mode" = "always" ]
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case "$mode" in
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then
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periodic_reboot)
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/usr/bin/watchcat.sh "always" "$period" "$forcedelay" &
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/usr/bin/watchcat.sh "periodic_reboot" "$period" "$forcedelay" &
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;forcedelay=$forcedelay)"
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;forcedelay=$forcedelay)"
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else
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;;
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/usr/bin/watchcat.sh "ping" "$period" "$forcedelay" "$pinghosts" "$pingperiod" "$nopingtime" &
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ping_reboot)
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logger -p user.info -t "watchcat" "started task (mode=$mode;period=$period;pinghosts=$pinghosts;pingperiod=$pingperiod;forcedelay=$forcedelay;nopingtime=$nopingtime)"
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/usr/bin/watchcat.sh "ping_reboot" "$period" "$forcedelay" "$pinghosts" "$pingperiod" "$pingsize" &
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fi
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logger -p user.info -t "watchcat" "started task (mode=$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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echo $! >>"${PIDFILE}.pids"
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}
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}
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stop() {
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stop() {
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if [ -f "${PIDFILE}.pids" ]
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if [ -f "${PIDFILE}.pids" ]; then
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then
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logger -p user.info -t "watchcat" "stopping all tasks"
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logger -p user.info -t "watchcat" "stopping all tasks"
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while read pid
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while read pid; do
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do
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kill -KILL "$pid"
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kill -KILL "$pid"
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done < "${PIDFILE}.pids"
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done <"${PIDFILE}.pids"
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rm "${PIDFILE}.pids"
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rm "${PIDFILE}.pids"
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@ -135,8 +132,7 @@ start() {
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[ -f "${PIDFILE}.pids" ] && stop
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[ -f "${PIDFILE}.pids" ] && stop
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config_load system
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config_load system
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if [ -n "$(uci show system.@watchcat[0])" ] # at least one watchcat section exists
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if [ -n "$(uci show system.@watchcat[0])" ]; then # 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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logger -p user.info -t "watchcat" "starting all tasks"
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config_foreach load_watchcat watchcat
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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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logger -p user.info -t "watchcat" "all tasks started"
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@ -3,7 +3,7 @@
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uci -q show system.@watchcat[0] || {
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uci -q show system.@watchcat[0] || {
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uci add system watchcat
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uci add system watchcat
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uci set system.@watchcat[0].period=6h
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uci set system.@watchcat[0].period=6h
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uci set system.@watchcat[0].mode=ping
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uci set system.@watchcat[0].mode=ping_reboot
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uci set system.@watchcat[0].pinghosts=8.8.8.8
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uci set system.@watchcat[0].pinghosts=8.8.8.8
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uci set system.@watchcat[0].forcedelay=30
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uci set system.@watchcat[0].forcedelay=30
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uci commit
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uci commit
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@ -1,65 +1,223 @@
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#!/bin/sh
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#!/bin/sh
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#
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#
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# Copyright (C) 2010 segal.di.ubi.pt
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# Copyright (C) 2010 segal.di.ubi.pt
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# Copyright (C) 2020 nbembedded.com
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#
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#
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# This is free software, licensed under the GNU General Public License v2.
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# This is free software, licensed under the GNU General Public License v2.
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#
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#
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reboot_now() {
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get_ping_size() {
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reboot &
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ps=$1
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case "$ps" in
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[ "$1" -ge 1 ] && {
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small)
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sleep "$1"
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ps="1"
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echo 1 > /proc/sys/kernel/sysrq
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;;
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echo b > /proc/sysrq-trigger # Will immediately reboot the system without syncing or unmounting your disks.
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windows)
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}
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ps="32"
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;;
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standard)
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ps="56"
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;;
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big)
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ps="248"
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;;
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huge)
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ps="1492"
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;;
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jumbo)
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ps="9000"
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;;
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*)
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echo "Error: invalid ping_size. ping_size should be either: small, windows, standard, big, huge or jumbo"
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echo "Cooresponding ping packet sizes (bytes): small=1, windows=32, standard=56, big=248, huge=1492, jumbo=9000"
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;;
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esac
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echo $ps
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}
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}
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||||||
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watchcat_always() {
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reboot_now() {
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local period="$1"; local forcedelay="$2"
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reboot &
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sleep "$period" && reboot_now "$forcedelay"
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[ "$1" -ge 1 ] && {
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||||||
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sleep "$1"
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||||||
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echo 1 >/proc/sys/kernel/sysrq
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||||||
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echo b >/proc/sysrq-trigger # Will immediately reboot the system without syncing or unmounting your disks.
|
||||||
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}
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||||||
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}
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||||||
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watchcat_periodic() {
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failure_period="$1"
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force_reboot_delay="$2"
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||||||
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|
||||||
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sleep "$failure_period" && reboot_now "$force_reboot_delay"
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||||||
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}
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||||||
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|
||||||
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watchcat_restart_modemmanager_iface() {
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||||||
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[ "$2" -gt 0 ] && {
|
||||||
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logger -t INFO "Resetting current-bands to 'any' on modem: \"$1\" now."
|
||||||
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/usr/bin/mmcli -m any --set-current-bands=any
|
||||||
|
}
|
||||||
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logger -t INFO "Reconnecting modem: \"$1\" now."
|
||||||
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/etc/init.d/modemmanager restart
|
||||||
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ifup "$1"
|
||||||
|
}
|
||||||
|
|
||||||
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watchcat_restart_network_iface() {
|
||||||
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logger -t INFO "Restarting network interface: \"$1\"."
|
||||||
|
ip link set "$1" down
|
||||||
|
ip link set "$1" up
|
||||||
|
}
|
||||||
|
|
||||||
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watchcat_restart_all_network() {
|
||||||
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logger -t INFO "Restarting networking now by running: /etc/init.d/network restart"
|
||||||
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/etc/init.d/network restart
|
||||||
|
}
|
||||||
|
|
||||||
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watchcat_monitor_network() {
|
||||||
|
failure_period="$1"
|
||||||
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ping_hosts="$2"
|
||||||
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ping_frequency_interval="$3"
|
||||||
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ping_size="$4"
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||||||
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iface="$5"
|
||||||
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mm_iface_name="$6"
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||||||
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mm_iface_unlock_bands="$7"
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||||||
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|
||||||
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time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
|
||||||
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[ "$time_now" -lt "$failure_period" ] && sleep "$((failure_period - time_now))"
|
||||||
|
|
||||||
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time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
time_lastcheck="$time_now"
|
||||||
|
time_lastcheck_withinternet="$time_now"
|
||||||
|
|
||||||
|
ping_size="$(get_ping_size "$ping_size")"
|
||||||
|
|
||||||
|
while true; do
|
||||||
|
# account for the time ping took to return. With a ping time of 5s, ping might take more than that, so it is important to avoid even more delay.
|
||||||
|
time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
time_diff="$((time_now - time_lastcheck))"
|
||||||
|
|
||||||
|
[ "$time_diff" -lt "$ping_frequency_interval" ] && sleep "$((ping_frequency_interval - time_diff))"
|
||||||
|
|
||||||
|
time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
time_lastcheck="$time_now"
|
||||||
|
|
||||||
|
for host in $ping_hosts; do
|
||||||
|
if [ "$iface" != "" ]; then
|
||||||
|
ping_result="$(
|
||||||
|
ping -I "$iface" -s "$ping_size" -c 1 "$host" &>/dev/null
|
||||||
|
echo $?
|
||||||
|
)"
|
||||||
|
else
|
||||||
|
ping_result="$(
|
||||||
|
ping -s "$ping_size" -c 1 "$host" &>/dev/null
|
||||||
|
echo $?
|
||||||
|
)"
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "$ping_result" -eq 0 ]; then
|
||||||
|
time_lastcheck_withinternet="$time_now"
|
||||||
|
else
|
||||||
|
if [ "$iface" != "" ]; then
|
||||||
|
logger -p daemon.info -t "watchcat[$$]" "Could not reach $host via \"$iface\" for \"$((time_now - time_lastcheck_withinternet))\" seconds. Restarting \"$iface\" after reaching \"$failure_period\" seconds"
|
||||||
|
else
|
||||||
|
logger -p daemon.info -t "watchcat[$$]" "Could not reach $host for \"$((time_now - time_lastcheck_withinternet))\" seconds. Restarting networking after reaching \"$failure_period\" seconds"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
[ "$((time_now - time_lastcheck_withinternet))" -ge "$failure_period" ] && {
|
||||||
|
if [ "$mm_iface_name" != "" ]; then
|
||||||
|
watchcat_restart_modemmanager_iface "$mm_iface_name" "$mm_iface_unlock_bands"
|
||||||
|
fi
|
||||||
|
if [ "$iface" != "" ]; then
|
||||||
|
watchcat_restart_network_iface "$iface"
|
||||||
|
else
|
||||||
|
watchcat_restart_all_network
|
||||||
|
fi
|
||||||
|
/etc/init.d/watchcat start
|
||||||
|
}
|
||||||
|
|
||||||
|
done
|
||||||
}
|
}
|
||||||
|
|
||||||
watchcat_ping() {
|
watchcat_ping() {
|
||||||
local period="$1"; local forcedelay="$2"; local pinghosts="$3"; local pingperiod="$4"; local nopingtime="$5"
|
failure_period="$1"
|
||||||
|
force_reboot_delay="$2"
|
||||||
|
ping_hosts="$3"
|
||||||
|
ping_frequency_interval="$4"
|
||||||
|
ping_size="$5"
|
||||||
|
|
||||||
local time_now="$(cat /proc/uptime)";time_now="${time_now%%.*}"
|
time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
|
||||||
[ "$time_now" -lt "$nopingtime" ] && sleep "$((nopingtime-time_now))"
|
[ "$time_now" -lt "$failure_period" ] && sleep "$((failure_period - time_now))"
|
||||||
|
|
||||||
time_now="$(cat /proc/uptime)";time_now="${time_now%%.*}"
|
time_now="$(cat /proc/uptime)"
|
||||||
local time_lastcheck="$time_now"
|
time_now="${time_now%%.*}"
|
||||||
local time_lastcheck_withinternet="$time_now"
|
time_lastcheck="$time_now"
|
||||||
|
time_lastcheck_withinternet="$time_now"
|
||||||
|
|
||||||
while true
|
ping_size="$(get_ping_size "$ping_size")"
|
||||||
do
|
|
||||||
# account for the time ping took to return. With a ping time of 5s, ping might take more than that, so it is important to avoid even more delay.
|
|
||||||
time_now="$(cat /proc/uptime)"; time_now="${time_now%%.*}"
|
|
||||||
local time_diff="$((time_now-time_lastcheck))"
|
|
||||||
|
|
||||||
[ "$time_diff" -lt "$pingperiod" ] && sleep "$((pingperiod-time_diff))"
|
while true; do
|
||||||
|
# account for the time ping took to return. With a ping time of 5s, ping might take more than that, so it is important to avoid even more delay.
|
||||||
|
time_now="$(cat /proc/uptime)"
|
||||||
|
time_now="${time_now%%.*}"
|
||||||
|
time_diff="$((time_now - time_lastcheck))"
|
||||||
|
|
||||||
time_now="$(cat /proc/uptime)";time_now="${time_now%%.*}"
|
[ "$time_diff" -lt "$ping_frequency_interval" ] && sleep "$((ping_frequency_interval - time_diff))"
|
||||||
time_lastcheck="$time_now"
|
|
||||||
|
|
||||||
for host in $pinghosts
|
time_now="$(cat /proc/uptime)"
|
||||||
do
|
time_now="${time_now%%.*}"
|
||||||
if ping -c 1 "$host" &> /dev/null
|
time_lastcheck="$time_now"
|
||||||
then
|
|
||||||
time_lastcheck_withinternet="$time_now"
|
for host in $ping_hosts; do
|
||||||
else
|
if [ "$iface" != "" ]; then
|
||||||
logger -p daemon.info -t "watchcat[$$]" "no internet connectivity for $((time_now-time_lastcheck_withinternet)). Reseting when reaching $period"
|
ping_result="$(
|
||||||
fi
|
ping -I "$iface" -s "$ping_size" -c 1 "$host" &>/dev/null
|
||||||
done
|
echo $?
|
||||||
|
)"
|
||||||
[ "$((time_now-time_lastcheck_withinternet))" -ge "$period" ] && reboot_now "$forcedelay"
|
else
|
||||||
done
|
ping_result="$(
|
||||||
|
ping -s "$ping_size" -c 1 "$host" &>/dev/null
|
||||||
|
echo $?
|
||||||
|
)"
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "$ping_result" -eq 0 ]; then
|
||||||
|
time_lastcheck_withinternet="$time_now"
|
||||||
|
else
|
||||||
|
logger -p daemon.info -t "watchcat[$$]" "Could not reach $host for $((time_now - time_lastcheck_withinternet)). Rebooting after reaching $failure_period"
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
[ "$((time_now - time_lastcheck_withinternet))" -ge "$failure_period" ] && reboot_now "$force_reboot_delay"
|
||||||
|
done
|
||||||
}
|
}
|
||||||
|
|
||||||
if [ "$1" = "always" ]
|
mode="$1"
|
||||||
then
|
|
||||||
watchcat_always "$2" "$3"
|
# Fix potential typo in mode and provide backward compatibility.
|
||||||
else
|
[ "$mode" = "allways" ] && mode="periodic_reboot"
|
||||||
watchcat_ping "$2" "$3" "$4" "$5" "$6"
|
[ "$mode" = "always" ] && mode="periodic_reboot"
|
||||||
fi
|
[ "$mode" = "ping" ] && mode="ping_reboot"
|
||||||
|
|
||||||
|
case "$mode" in
|
||||||
|
periodic_reboot)
|
||||||
|
watchcat_periodic "$2" "$3"
|
||||||
|
;;
|
||||||
|
ping_reboot)
|
||||||
|
watchcat_ping "$2" "$3" "$4" "$5" "$6"
|
||||||
|
;;
|
||||||
|
restart_iface)
|
||||||
|
watchcat_monitor_network "$2" "$3" "$4" "$5" "$6" "$7"
|
||||||
|
;;
|
||||||
|
*)
|
||||||
|
echo "Error: invalid mode selected: $mode"
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
Loading…
Reference in New Issue