#!/bin/sh
#
# chkconfig: - 65 35
# description: The Cyrus IMAPD master serves as a master process for the Cyrus \
#              IMAP and POP servers.
# config: /etc/cyrus.conf
# config: /etc/imapd.conf
# pidfile: /var/run/cyrus-master.pid

# author:	Simon Matter, Invoca Systems <simon.matter@invoca.ch>
# version:	2005111100
# changed:	add quickstart/stop option to init script to bypass db import/export

# Source function library
if [ -f /etc/init.d/functions ]; then
  . /etc/init.d/functions
elif [ -f /etc/rc.d/init.d/functions ]; then
  . /etc/rc.d/init.d/functions
else
  exit 0
fi

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

# check if the config files are present
[ -f /etc/cyrus.conf ] || exit 0
[ -f /etc/imapd.conf ] || exit 0
 
# This is our service name
BASENAME=$(basename $0)
if [ -L $0 ]; then
  BASENAME=$(find $0 -name $BASENAME -printf %l)
  BASENAME=$(basename $BASENAME)
fi

# Source service configuration.
if [ -f /etc/sysconfig/$BASENAME ]; then
  . /etc/sysconfig/$BASENAME
else
  echo "$BASENAME: configfile /etc/sysconfig/$BASENAME does NOT exist !"
  exit 1
fi

# get_config [config default]
# extracts config option from config file
get_config() {
  if config=$(grep "^$1" /etc/imapd.conf); then
    echo $config | cut -d: -f2
  else
    echo $2
  fi
}

# where to find files and directories
CONFIGDIRECTORY=$(get_config configdirectory /var/lib/imap)
CYRUSMASTER=/usr/lib/cyrus-imapd/cyrus-master
CYRUS_PROC_NAME=$(basename $CYRUSMASTER)
ALWAYS_CONVERT=1

# fallback to su if runuser not available
if [ -x /sbin/runuser ]; then
  RUNUSER=runuser
else
  RUNUSER=su
fi

RETVAL=0
RETVAL2=1
QUICK=0

start() {
  if [ $(/sbin/pidof -s $CYRUSMASTER) ]; then
    echo -n $"$BASENAME already running."
    false
    echo
  else
    if [ $QUICK -eq 0 ]; then
      echo -n $"Importing $BASENAME databases: "
      cd $CONFIGDIRECTORY
      $RUNUSER - cyrus -c "umask 166 ; /usr/lib/cyrus-imapd/cvt_cyrusdb_all > ${CONFIGDIRECTORY}/rpm/db_import.log 2>&1" < /dev/null
      RETVAL=$?
      if [ $RETVAL -eq 0 ]; then
        success $"$BASENAME importing databases"
      else
        failure $"$BASENAME error importing databases, check ${CONFIGDIRECTORY}/rpm/db_import.log"
      fi
      echo
    fi
    if [ $RETVAL -eq 0 ]; then
      echo -n $"Starting $BASENAME: "
      daemon $CYRUSMASTER -d $CYRUSOPTIONS
      RETVAL2=$?
      echo
    fi
  fi
  [ $RETVAL -eq 0 -a $RETVAL2 -eq 0 ] && touch /var/lock/subsys/$BASENAME
  return $RETVAL
}

stop() {
  echo -n $"Shutting down $BASENAME: "
  killproc $CYRUSMASTER
  RETVAL=$?
  if [ $QUICK -eq 0 ]; then
    if [ ! $(/sbin/pidof -s $CYRUSMASTER) ]; then
      echo
      echo -n $"Exporting $BASENAME databases: "
      cd $CONFIGDIRECTORY
      $RUNUSER - cyrus -c "umask 166 ; /usr/lib/cyrus-imapd/cvt_cyrusdb_all export > ${CONFIGDIRECTORY}/rpm/db_export.log 2>&1" < /dev/null
      RETVAL2=$?
      if [ $RETVAL2 -eq 0 ]; then
        success $"$BASENAME exporting databases"
      else
        failure $"$BASENAME error exporting databases, check ${CONFIGDIRECTORY}/rpm/db_export.log"
      fi
    fi
  fi
  echo
  [ $RETVAL -eq 0 -a $RETVAL2 -eq 0 ] && rm -f /var/lock/subsys/$BASENAME
  return $RETVAL
}

restart() {
  stop
  start
}

reload() {
  echo -n $"Reloading cyrus.conf file: "
  killproc $CYRUSMASTER -HUP
  RETVAL=$?
  echo
  return $RETVAL
}
 
condrestart() {
  [ -e /var/lock/subsys/$BASENAME ] && restart || :
}

rhstatus() {
  status $CYRUSMASTER
  RETVAL=$?
  return $RETVAL
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    restart
    ;;
  reload)
    reload
    ;;
  condrestart)
    condrestart
    ;;
  status)
    rhstatus
    ;;
  quickstart)
    QUICK=1
    start
    ;;
  quickstop)
    QUICK=1
    stop
    ;;
  *)
    echo $"Usage: $BASENAME {start|stop|restart|reload|condrestart|status|quickstart|quickstop}"
    RETVAL=1
esac

exit $RETVAL