#!/bin/sh
# Master switch for the quickactions failover system.
#   quickactions-failover on|off|status|test

LOCK=/tmp/quickactions_wan_down.lock
FAILS=/tmp/quickactions_wan_fails.count
OKS=/tmp/quickactions_wan_oks.count
HP=/etc/hotplug.d/iface/99-quickactions-conntrack-flush
CRON_LINE="* * * * * /usr/bin/wan-watchdog.sh"

case "$1" in
    on)
        uci -q set quickactions.failover.enabled=1
        uci -q commit quickactions
        [ -f "$HP" ] && chmod 755 "$HP"
        (crontab -l 2>/dev/null | grep -v "wan-watchdog.sh"; echo "$CRON_LINE") | crontab -
        /etc/init.d/cron restart
        echo "ENABLED"
        logger -t quickactions-failover "master switch: enabled"
        ;;
    off)
        uci -q set quickactions.failover.enabled=0
        uci -q commit quickactions
        [ -f "$HP" ] && chmod 644 "$HP"
        crontab -l 2>/dev/null | grep -v "wan-watchdog.sh" | crontab -
        rm -f "$LOCK" "$FAILS" "$OKS"
        /etc/init.d/cron restart
        echo "DISABLED"
        logger -t quickactions-failover "master switch: disabled"
        ;;
    status)
        en=$(uci -q get quickactions.failover.enabled)
        [ -z "$en" ] && en=1
        [ "$en" = "1" ] && echo "STATUS: [ON]" || echo "STATUS: [OFF]"
        [ -f "$LOCK" ] && echo "MODE:   [BACKUP]" || echo "MODE:   [PRIMARY]"
        ;;
    test)
        /usr/bin/wan-watchdog.sh
        echo "manual run complete"
        ;;
    *)
        echo "Usage: quickactions-failover [on|off|status|test]"
        ;;
esac
exit 0