#!/bin/sh /etc/rc.common
##############################################################################
#
# Copyright (C) 2016 Michael Hanselmann, Eric Luehrsen
#
##############################################################################
#
# This init script is just the entry point for Unbound UCI.
#
##############################################################################

# while useful (sh)ellcheck is pedantic and noisy
# shellcheck disable=1091,2002,2004,2034,2039,2086,2094,2140,2154,2155

START=19
STOP=50
USE_PROCD=1
PROG=/usr/sbin/unbound

##############################################################################

boot() {
  UB_BOOT=1
  start "$@"
}

##############################################################################

start_service() {
  if [ -n "$UB_BOOT" ] ; then
    # Load procd triggers (rc) and use event IFUP to really start
    return 0
  fi

  # complex UCI work
  . /usr/lib/unbound/unbound.sh
  unbound_start

  # standard procd clause
  procd_open_instance "unbound"
  procd_set_param command $PROG -d -c $UB_TOTAL_CONF
  procd_set_param respawn
  procd_set_param file "$UB_TOTAL_CONF" "$UB_SRV_CONF" "$UB_EXT_CONF"
  procd_close_instance
}

##############################################################################

stop_service() {
  # clean up
  . /usr/lib/unbound/stopping.sh
  unbound_stop

  # Wait! on restart Unbound may take time writing closure stats to syslog
  pidof $PROG && sleep 1
}

##############################################################################

service_triggers() {
  local legacy1=$( uci_get unbound.@unbound[0].trigger )
  local legacy2=$( uci_get unbound.@unbound[0].trigger_interface )
  local legacy3=$( uci_get unbound.@unbound[0].iface_trig )
  local triggers="$legacy1 $legacy2 $legacy3"

  . /usr/lib/unbound/defaults.sh


  if [ ! -f "$UB_TOTAL_CONF" ] || [ -n "$UB_BOOT" ] ; then
    # Unbound can be a bit heavy, so wait some on first start. Any interface
    # up affects the trigger delay and will guarantee start.
    procd_add_raw_trigger "interface.*.up" 3000 /etc/init.d/unbound restart

  elif [ -n "$triggers" ] ; then
    for trigger in $triggers ; do
      # User selected triggers to restart at any other time
      procd_add_reload_interface_trigger "$trigger"
    done

    procd_add_reload_trigger "unbound" "dhcp"

  else
    procd_add_reload_trigger "unbound" "dhcp"
  fi
}

##############################################################################