#!/bin/sh

# PROVIDE: activemq
# REQUIRE: NETWORKING SERVERS
# BEFORE: DAEMON
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
# to enable this service:
#
# activemq_enable (bool):   Set to NO by default.
#               Set it to YES to enable activemq.
#
# activemq_user (username): Set to activemq by default.
#               Set it to required username.
#
# activemq_group (group):   Set to activemq by default.
#               Set it to required group.
#
# activemq_classpath (path):   Set to %%DATADIR%% by default.
#               Set it to java classes directory.
#
# activemq_home (path):     Set to %%DATADIR%% by default.
#               Set it to java home directory.
#
# activemq_javargs (args):  Set to -Xmx256M by default.
#               See java -h for available arguments.
#
# activemq_stop_timeout (num):  Set to "10" by default.
#               Set the timeout in seconds to shutdown.
#
# activemq_java_home (path): Set the path to the jvm to use.
#		Set to openJDK18 by default.
#
# activemq_debug_precmd (bool): Give java command line that
#		will be run, when started for debugging outside
#		of being demonised. Helpful for people new to
#		activemq.
#
# activemq_audit_log (bool): Enable audit logging by default.
#		In production, you will have to evaluate enabling
#		this option (set to NO to disable), as it has
#		disk I/O and storage implications which may
#		impact expected performance. By disabling the
#		audit log, security logging maybe reduced
#		depending on your configuration.

. /etc/rc.subr

name="activemq"
rcvar=activemq_enable
load_rc_config $name

# Set defaults
: ${activemq_enable:=NO}
: ${activemq_user:=activemq}
: ${activemq_group:=activemq}
: ${activemq_classpath:=%%ETCDIR%%}
: ${activemq_conf:=%%ETCDIR%%}
: ${activemq_data:=/var/db/activemq}
: ${activemq_logs:=/var/log/activemq}
: ${activemq_home:=%%DATADIR%%}
: ${activemq_javargs:='-Xmx512M -Dorg.apache.activemq.UseDedicatedTaskRunner=true -Djava.util.logging.config.file=logging.properties -Dcom.sun.management.jmxremote'}
: ${activemq_stop_timeout:="10"}
: ${activemq_hostname:=`/bin/hostname`}
: ${activemq_java_home:='%%LOCALBASE%%/openjdk18/bin/java'}
: ${activemq_debug_precmd:=NO}
: ${activemq_audit_log:=YES}

pidfile=/var/run/${name}.pid

required_files="%%ETCDIR%%/activemq.xml"
jar_file="%%DATADIR%%/bin/activemq.jar"

activemq_audit_args=""
if checkyesno activemq_audit_log; then
	activemq_audit_args="-Dorg.apache.activemq.audit=true"
fi

jolokia_conf="file:${activemq_conf}/jolokia-access.xml"

java_options="-server -jar ${activemq_javargs} \
-Dactivemq.classpath=${activemq_classpath} \
-Dactivemq.conf=${activemq_conf} \
-Dactivemq.data=${activemq_data} \
-Dactivemq.logs=${activemq_logs} \
-Dactivemq.home=${activemq_home} \
-Dactivemq.base=${activemq_home} \
-Djolokia.conf=${jolokia_conf} \
${activemq_audit_args} \
-Dactivemq.hostname=${activemq_hostname}"

java_command="${activemq_java_home} ${java_options} ${jar_file}"

command="/usr/sbin/daemon"
command_args="-p ${pidfile} -o ${activemq_logs}/daemon.log ${java_command} start"
start_precmd="activemq_precmd"
status_cmd="activemq_status"
stop_cmd="activemq_stop"

activemq_precmd() {
	touch ${pidfile}
	chown ${activemq_user}:${activemq_group} ${pidfile}
	/usr/bin/install -d -m 0750 -o ${activemq_user} -g ${activemq_group} ${activemq_logs}
	/usr/bin/install -d -m 0750 -o ${activemq_user} -g ${activemq_group} ${activemq_data}
	if checkyesno activemq_debug_precmd; then
		echo "Starting with Java command: ${java_command}"
	fi
}

activemq_stop() {
	rc_pid=$(activemq_check_pidfile $pidfile)

	if [ -z "$rc_pid" ]; then
		[ -n "$rc_fast" ] && return 0
		echo "${name} not running? (check $pidfile)."
		return 1
	fi
	
	echo "Stopping ${name}."
	/usr/bin/su -m $activemq_user -c "${java_command} stop" >/dev/null
	activemq_wait_max_for_pid ${activemq_stop_timeout} ${rc_pid}
	kill -KILL ${rc_pid} 2> /dev/null && echo "Killed."
	rm -f ${pidfile}
}

activemq_status() {
	rc_pid=$(activemq_check_pidfile $pidfile)

	if [ -z "$rc_pid" ]; then
		[ -n "$rc_fast" ] && return 0
		echo "${name} not running? (check $pidfile)."
		return 1
	fi
	echo "${name} is running as pid ${rc_pid}."
}

activemq_check_pidfile() {
	_pidfile=$1
	if [ -z "$_pidfile" ]; then
		err 3 'USAGE: activemq_check_pidfile pidfile'
	fi
	if [ ! -f $_pidfile ]; then
		debug "pid file ($_pidfile): not readable."
		return
	fi
	read _pid _junk < $_pidfile
	if [ -z "$_pid" ]; then
		debug "pid file ($_pidfile): no pid in file."
		return
	fi
	if [ -n "`/usr/bin/su -m $activemq_user -c '%%LOCALBASE%%/bin/jps -l' | grep -e "^$_pid $jar_file\$"`" ]; then
		echo -n $_pid
	fi
}

activemq_wait_max_for_pid() {
	_timeout=$1
	shift
	_pid=$1
	_prefix=
	while [ $_timeout -gt 0 ] ; do
		echo -n ${_prefix:-"Waiting (max $_timeout secs) for PIDS: "}$_pid
		_prefix=", "
		sleep 2
		kill -0 $_pid 2> /dev/null || break
		_timeout=$(($_timeout-2))
	done
	if [ -n "$_prefix" ]; then
		echo "."
	fi
}

run_rc_command "$1"
