File syslog-ng.rc-script of Package syslog-ng

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File syslog-ng.rc-script of Package syslog-ng

#! /bin/sh
# Copyright (c) 1995-2006 SUSE LINUX Products GmbH
#
# Author: 
#  Marius Tomaschewski <mt@suse.de>
#
# Sample init script to start an additional syslog-ng daemon.
#
# Should be installed as e.g. /etc/init.d/syslog-ng-user for
# a configuration file /etc/syslog-ng/syslog-ng-user.conf,
# where the 'user' suffix is configureable.
#
### BEGIN INIT INFO
# Provides:       syslog-ng-user
# Required-Start: $network $syslog
# Required-Stop:  $network $syslog
# Default-Start:  2 3 5
# Default-Stop:   0 1 6
# Description:    Start additional system logging daemon
### END INIT INFO

#
# ==>>  YOU MAY ADOPT the $syslog_ng_name   <<==
# ==>> bellow AND above Provides variable!! <<==
#
if test "$0" != "${0//*syslog-ng-/}" ; then
  # use suffix we've found in script name
  syslog_ng_name="syslog-ng-${0//*syslog-ng-/}"
else
  syslog_ng_name="syslog-ng-user"
fi

# 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 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

# check binary and config
syslogng=/sbin/syslog-ng
configng=/etc/syslog-ng/${syslog_ng_name}.conf
pid_file=/var/run/${syslog_ng_name}.pid

test -x "$syslogng" || {
	echo "$syslogng not installed"
	test "$1" == "stop" && exit 0 || exit 5
}
test -f "$configng" || {
	echo "$configng not avaliable"
	test "$1" == "stop" && exit 0 || exit 6
}

# SuSE LSB status shell functions 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     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
#      rc_active <name> check if service <name> is ative
#
. /etc/rc.status || exit 1

# reset status of this service
rc_reset

case "$1" in
start)
	if test -s $pid_file ; then
		killproc -p $pid_file $syslogng 2> /dev/null
		echo -n "Re-"
	fi
	echo -n "Starting ${syslog_ng_name} service"
	startproc -p $pid_file $syslogng -p $pid_file $SYSLOG_NG_PARAMS
	rc_status -v
;;
stop)
	echo -n "Shutting down ${syslog_ng_name} service"
	killproc -p $pid_file -TERM $syslogng 2>/dev/null
	rc_status -v
;;
try-restart|condrestart)
	## Stop the service and if this succeeds (i.e. the
	## service was running before), start it again.
	$0 status >/dev/null
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi
	rc_status
;;
restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start
	rc_status
;;
force-reload|reload)
	## Signal the daemon to reload its config.
	echo -n "Reload ${syslog_ng_name} service"
	killproc -p $pid_file -HUP $syslogng
	rc_status -v
;;
status)
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0. checkproc
	## returns LSB compliant status values:
	## 0 - service running
	## 1 - service dead, but /var/run/  pid  file exists
	## 2 - service dead, but /var/lock/ lock file exists
	## 3 - service not running
	echo -n "Checking for ${syslog_ng_name} service: "
	checkproc -p $pid_file $syslogng
	rc_status -v
;;
probe)
	## Optional: Probe for the necessity of a reload,
	## give out the argument which is required for a reload.
	test $configng -nt $pid_file && echo reload
;;
*)
	echo "Usage: $0 {start|stop|status|restart|reload|probe}"
	exit 1
	;;
esac
rc_exit

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