#!/bin/sh
### BEGIN INIT INFO
# Provides:          php-fpm {{ php_fpm_daemon }}
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6  
# Short-Description: starts {{ php_fpm_daemon }}
# Description:       Starts The PHP FastCGI Process Manager Daemon
### END INIT INFO

# Author: Ondrej Sury <ondrej@debian.org>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="PHP FastCGI Process Manager"
NAME={{ php_fpm_daemon }}
DAEMON=/usr/sbin/$NAME
DAEMON_ARGS="--daemonize --fpm-config {{ php_fpm_conf_path }}/php-fpm.conf"
PIDFILE=/var/run/{{ php_fpm_daemon }}.pid
TIMEOUT=2
SCRIPTNAME=/etc/init.d/$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

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

# Don't run if we are running upstart
if init_is_upstart; then
    exit 1
fi

#
# Function to check the correctness of the config file
#
do_check()
{
    /usr/lib/php5/php5-fpm-checkconf || return 1
    return 0
}

#
# Function that starts the daemon/service
#
do_start()
{
  # Return
  #   0 if daemon has been started
  #   1 if daemon was already running
  #   2 if daemon could not be started
  start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
    || return 1
  start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
    $DAEMON_ARGS 2>/dev/null \
    || return 2
  # Add code here, if necessary, that waits for the process to be ready
  # to handle requests from services started subsequently which depend
  # on this one.  As a last resort, sleep for some time.
}

#
# Function that stops the daemon/service
#
do_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
  start-stop-daemon --stop --quiet --retry=QUIT/$TIMEOUT/TERM/5/KILL/5 --pidfile $PIDFILE --name $NAME
  RETVAL="$?"
  [ "$RETVAL" = 2 ] && return 2
  # Wait for children to finish too if this is a daemon that forks
  # and if the daemon is only ever run from this initscript.
  # If the above conditions are not satisfied then add some other code
  # that waits for the process to drop all resources that could be
  # needed by services started subsequently.  A last resort is to
  # sleep for some time.
  start-stop-daemon --stop --quiet --oknodo --retry=0/$TIMEOUT/TERM/5/KILL/5 --exec $DAEMON
  [ "$?" = 2 ] && return 2
  # Many daemons don't delete their pidfiles when they exit.
  rm -f $PIDFILE
  return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
  #
  # If the daemon can reload its configuration without
  # restarting (for example, when it is sent a SIGHUP),
  # then implement that here.
  #
  start-stop-daemon --stop --signal USR2 --quiet --pidfile $PIDFILE --name $NAME
  return 0
}

case "$1" in
    start)
  [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
  do_start
  case "$?" in
      0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
      2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
  esac
  ;;
    stop)
  [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
  do_stop
  case "$?" in
    0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
    2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
  esac
  ;;
    status)
        status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
        ;;
    check)
        do_check yes
  ;;
    reload|force-reload)
  log_daemon_msg "Reloading $DESC" "$NAME"
  do_reload
  log_end_msg $?
  ;;
    reopen-logs)
  log_daemon_msg "Reopening $DESC logs" $NAME
  if start-stop-daemon --stop --signal USR1 --oknodo --quiet \
      --pidfile $PIDFILE --exec $DAEMON
  then
      log_end_msg 0
  else
      log_end_msg 1
  fi
  ;;
    restart)
  log_daemon_msg "Restarting $DESC" "$NAME"
  do_stop
  case "$?" in
    0|1)
    do_start
    case "$?" in
      0) log_end_msg 0 ;;
      1) log_end_msg 1 ;; # Old process is still running
      *) log_end_msg 1 ;; # Failed to start
    esac
    ;;
    *)
      # Failed to stop
    log_end_msg 1
    ;;
  esac
  ;;
    *)
  echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" >&2
  exit 1
    ;;
esac

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