#!/bin/bash

NAME=vpncloud
NETCONFIGS=/etc/vpncloud

# default settings
USER=root
GROUP=root
UMASK=022

NETWORKS=$(for net in $(ls $NETCONFIGS); do basename $net .net; done);

DAEMON=$(which $NAME)

# Exit if the package is not installed
[ -x $DAEMON ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

status() {
  echo "Network status"
  for net in $NETWORKS; do
    [ -f "$NETCONFIGS/$net.net" ] || continue
    echo -en "\t$net: "
    if start-stop-daemon --status --pidfile /run/$NAME-$net.pid --name $NAME; then
      echo "running"
    else
      echo "not running"
    fi
  done
}

start() {
  # Return
  #   0 if daemon has been started
  #   1 if daemon was already running
  #   2 if daemon could not be started
  for net in $NETWORKS; do
    [ -f "$NETCONFIGS/$net.net" ] || continue
    start-stop-daemon --start --pidfile /run/$NAME-$net.pid --name $NAME -- "$DAEMON --daemon --config $NETCONFIGS/$net.net --log-file /var/log/$NAME-$net.log --ststs-file /var/log/$NAME-$net.stats --pid-file /run/$NAME-$net.pid"
  done
  return 0
}

stop() {
  # Return
  #   0 if daemon has been stopped
  #   1 if daemon was already stopped
  #   2 if daemon could not be stopped
  #   other if a failure occurred
  for net in $NETWORKS; do
    [ -f "$NETCONFIGS/$net.net" ] || continue
    start-stop-daemon --stop --quiet --pidfile /run/$NAME-$net.pid --retry 60
    rm -f /run/$NAME-$net.pid
  done
  return 0
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  status)
    status
    ;;
  *)
    echo "Unsupported action: '$1'" >&2
    exit 3
    ;;
esac