#!/bin/sh

die() {
  echo $@
  exit 1
}

showUsage() {
  die "$0 {start|stop|restart}"
}

action=$1
end=$2

[ "$end" = "" ] && [ "$action" != "" ] || showUsage

# Get mydlink folder
DIR="/mydlink"
if [ -f "/opt/signalc" ]; then
  DIR="/opt"
fi
export PATH=$DIR:$PATH

# Get LAN interface
LAN_INT="br0"
HAS_BR0=`ifconfig | grep "br0" -c`
if [ "$HAS_BR0" -ne "1" ]; then
  LAN_INT="eth0"
fi

# Set run dir
PID_DIR="/tmp/run"

# remove provision to prevent misuse
rm /tmp/provision.conf

start() {
  mkdir -p $PID_DIR
  $DIR/mydlink-watch-dog.sh 2>&1 &
  echo $! > $PID_DIR/mydlink-watch-dog.pid

  echo opt.local start ok.
}

stop() {
  pid="-1"
  if [ -f $PID_DIR/mydlink-watch-dog.pid ]; then
    pid=`cat $PID_DIR/mydlink-watch-dog.pid`
  fi
  if [ -d "/proc/$pid" ]; then
    kill -9 $pid
  fi

  # delete all mydlink agents
  killall -q -9 dcp signalc upnpc-ddns tsa

  echo "opt.local stop ok."
}

startNoneL() {
  $DIR/dcp -i $LAN_INT > /dev/null 2>&1 &
  echo "opt.local(NoneL) start ok."
}


case $action in
  start)
    stop
    start
  ;;
  stop)
    stop
  ;;
  restart)
    stop
    start
  ;;
  startNoneL)
    stop
    startNoneL
  ;;
  *)
    showUsage
  ;;
esac

exit 0