#!/bin/sh
#
# messagebus:   The D-BUS systemwide message bus
#
# chkconfig: 23457 53 66
# description:  This is a daemon which broadcasts notifications of system events \
#               and other messages. See http://www.freedesktop.org/software/dbus/
#
# processname: dbus-daemon
# pidfile: /var/run/messagebus.pid
#
### BEGIN INIT INFO
# Provides: messagebus
# Required-Start: $syslog $local_fs
# Required-Stop: $syslog $local_fs
# Should-Start: network-auth
# Default-Start: 2 3 4 5 7
# Default-Stop: 0 1 6
# Short-Description: The D-Bus systemwide message bus
# Description: This is a daemon which broadcasts notifications of system 
#  events and other messages. See http://www.freedesktop.org/software/dbus
### END INIT INFO

# Sanity checks.
[ -x /usr/bin/dbus-daemon ] || exit 0

# Source function library.
. /etc/rc.d/init.d/functions

# so we can rearrange this easily
processname=dbus-daemon
servicename=messagebus

RETVAL=0

start() {
    # are we running from systemd?
    systemd_enabled=$([ -x /bin/systemctl ] && /bin/systemctl is-active dbus.service)
    if [ "$systemd_enabled" = "active" ]; then
            gprintf "Running from systemd\n"
            return
    fi
    gprintf "Starting system message bus: "
    if [ -x /usr/bin/dbus-uuidgen ] ; then
        /usr/bin/dbus-uuidgen --ensure
    fi

    daemon --check $servicename $processname --system
    RETVAL=$?
    countdown=10
    until [ -e /var/run/dbus/system_bus_socket -o $countdown -eq 0 ]; do
       sleep 1; let countdown=$countdown-1;
    done
    echo
    [ $RETVAL -eq 0 ] && touch /var/lock/subsys/$servicename
}

stop() {
    systemd_enabled=$( [ -x /bin/systemctl ] && /bin/systemctl is-active dbus.service)
    if [ "$systemd_enabled" = "active" ]; then
            gprintf "Running from systemd\n"
            return
    fi
    gprintf "Stopping system message bus: "

    ## we don't want to kill all the per-user $processname, we want
    ## to use the pid file *only*; because we use the fake nonexistent 
    ## program name "$servicename" that should be safe-ish
    killproc $servicename -TERM
    RETVAL=$?
    echo
    if [ $RETVAL -eq 0 ]; then
        rm -f /var/lock/subsys/$servicename
        rm -f /var/run/messagebus.pid
    fi
}

# See how we were called.
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status $servicename
        RETVAL=$?
        ;;
    restart)
        stop
        start
        ;;
    condrestart)
        if [ -f /var/lock/subsys/$servicename ]; then
            stop
            start
        fi
        ;;
    reload)
        gprintf "Message bus can't reload its configuration, you have to restart it\n"
        RETVAL=$?
        ;;
    *)
        gprintf "Usage: %s {start|stop|status|restart|condrestart|reload}\n" "$0"
        ;;
esac
exit $RETVAL