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File ivman.init of Package ivman (Revision f4111edaabd5414e80a17e8aac16f491)

Currently displaying revision f4111edaabd5414e80a17e8aac16f491 , Show latest

#!/bin/sh
#
# Copyright (c) 2006 SUSE Linux Products GmbH, Nuernberg, Germany.
# All rights reserved.
#
# Author: Matthias Koenig, feedback to http://www.suse.de/feedback
#
### BEGIN INIT INFO
# Provides:          ivman
# Required-Start:    $local_fs $remote_fs $syslog dbus haldaemon
# Should-Start:      
# Required-Stop:     $local_fs $remote_fs $syslog dbus haldaemon
# Should-Stop: 
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: mounting/execution daemon based on HAL
# Description:       ivman is a daemon to handle mounting of media
#      and execution of arbitrary commands triggered by events like
#      device addition/removal or device property change.
### END INIT INFO

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
IVMAN_BIN=/usr/bin/ivman

test -x $IVMAN_BIN || { echo "$IVMAN_BIN not installed"; 
    if [ "$1" = "stop" ]; then exit 0;
    else exit 5; fi; }

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status
rc_reset

# Return values acc. to LSB for all commands but status:
# 0	  - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

PID_FILE=/var/run/ivman.pid

check_permissions() {
    if [ $UID -ne 0 ]; then
	echo "You need to be root to control ivman in system wide mode."
	exit 4
    fi
	
    return 0
}

# Note, we cannot use checkproc since we can have several instances of ivman
# in different user sessions additionally to the system wide daemon.
is_running() {
    # check for pid file
    if [ ! -r $PID_FILE ]; then
	return 7;
    fi
    PID=$(cat $PID_FILE)

# check, if PID does exist in /proc
    if [ ! -d /proc/$PID ]; then
	return 7;
    fi
    # check, if PID does indeed belong to an ivman
    CMD=$(readlink /proc/$PID/exe)
    if [ "$CMD" != "$IVMAN_BIN" ]; then
	return 7;
    fi
       
    return 0
}

start_ivman() {
    # Do not use startproc, as ivman can daemonize itself
    $IVMAN_BIN &> /dev/null
    return $?
}

stop_ivman() {
    is_running && /bin/kill -TERM $(cat $PID_FILE)
    
    return 0
}

query_status() {
    is_running
    if [ $? -eq 7 ]; then
	return 3;
    fi

return 0
}

case "$1" in
    start)
	check_permissions
	echo -n "Starting ivman "
	start_ivman

rc_status -v
	;;
    stop)
	check_permissions
	echo -n "Shutting down ivman "
	stop_ivman

rc_status -v
	;;
    try-restart|condrestart)
	check_permissions
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi

rc_status
	;;
    restart)
	check_permissions
	$0 stop
	$0 start

rc_status
	;;
    force-reload)
	check_permissions
	echo -n "Reload service ivman "
	# ivman does not support HUP
	$0 try-restart
	rc_status
	;;
    reload)
	check_permissions
	# ivman does not support signaling
	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for service ivman "
	query_status

rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit

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File ivman.init of Package ivman (Revision f4111edaabd5414e80a17e8aac16f491)

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