

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: functions</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'>#
# This is library of helper functions that can be used in scripts in tuned profiles.
#
# API provided by this library is under heavy development and could be changed anytime
#

#
# Config
#
STORAGE=/run/tuned
STORAGE_PERSISTENT=/var/lib/tuned
STORAGE_SUFFIX=&quot;.save&quot;

#
# Helpers
#

# Save value
# $0 STORAGE_NAME VALUE
save_value() {
	[ &quot;$#&quot; -ne 2 ] &amp;&amp; return
	[ &quot;$2&quot; -a -e &quot;${STORAGE}&quot; ] &amp;&amp; echo &quot;$2&quot; &gt; &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot;
}

# Parse sysfs value, i.e. for &quot;val1 [val2] val3&quot; return &quot;val2&quot;
# $0 SYSFS_NAME
parse_sys() {
	local V1 V2
	[ -r &quot;$1&quot; ] || return
	V1=`cat &quot;$1&quot;`
	V2=&quot;${V1##*[}&quot;
	V2=&quot;${V2%%]*}&quot;
	echo &quot;${V2:-$V1}&quot;
}

# Save sysfs value
# $0 STORAGE_NAME SYSFS_NAME
save_sys() {
	[ &quot;$#&quot; -ne 2 ] &amp;&amp; return
	[ -r &quot;$2&quot; -a ! -e &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot; ] &amp;&amp; parse_sys &quot;$2&quot; &gt; &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot;
}

# Set sysfs value
# $0 SYSFS_NAME VALUE
set_sys() {
	[ &quot;$#&quot; -ne 2 ] &amp;&amp; return
	[ -w &quot;$1&quot; ] &amp;&amp; echo &quot;$2&quot; &gt; &quot;$1&quot;
}

# Save and set sysfs value
# $0 STORAGE_NAME SYSFS_NAME VALUE
save_set_sys() {
	[ &quot;$#&quot; -ne 3 ] &amp;&amp; return
	save_sys &quot;$1&quot; &quot;$2&quot;
	set_sys &quot;$2&quot; &quot;$3&quot;
}

# Get stored sysfs value from storage
# $0 STORAGE_NAME
get_stored_sys() {
	[ &quot;$#&quot; -ne 1 ] &amp;&amp; return
	[ -r &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot; ] &amp;&amp; cat &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot;
}

# Restore value from storage
# $0 STORAGE_NAME
restore_value() {
	[ &quot;$#&quot; -ne 1 ] &amp;&amp; return
	_rs_value=&quot;`get_stored_sys \&quot;$1\&quot;`&quot;
	unlink &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot; &gt;/dev/null 2&gt;&amp;1
	[ &quot;$_rs_value&quot; ] &amp;&amp; echo &quot;$_rs_value&quot;
}

# Restore sysfs value from storage, if nothing is stored, use VALUE
# $0 STORAGE_NAME SYSFS_NAME [VALUE]
restore_sys() {
	[ &quot;$#&quot; -lt 2 -o &quot;$#&quot; -gt 3 ] &amp;&amp; return
	_rs_value=&quot;`get_stored_sys \&quot;$1\&quot;`&quot;
	unlink &quot;${STORAGE}/${1}${STORAGE_SUFFIX}&quot; &gt;/dev/null 2&gt;&amp;1
	[ &quot;$_rs_value&quot; ] || _rs_value=&quot;$3&quot;
	[ &quot;$_rs_value&quot; ] &amp;&amp; set_sys &quot;$2&quot; &quot;$_rs_value&quot;
}


#
# DISK tuning
#

DISKS_DEV=&quot;$(command ls -d1 /dev/[shv]d*[a-z] 2&gt;/dev/null)&quot;
DISKS_SYS=&quot;$(command ls -d1 /sys/block/{sd,cciss,dm-,vd,dasd,xvd}* 2&gt;/dev/null)&quot;

_check_elevator_override()
{
	/bin/fgrep -q &#039;elevator=&#039; /proc/cmdline
}

# $0 OPERATOR DEVICES ELEVATOR
_set_elevator_helper() {
	_check_elevator_override &amp;&amp; return
	SYS_BLOCK_SDX=&quot;&quot;
	[ &quot;$2&quot; ] &amp;&amp; SYS_BLOCK_SDX=$(eval LANG=C /bin/ls -1 &quot;${2}&quot; 2&gt;/dev/null)

	# if there is no kernel command line elevator settings, apply the elevator
	if [ &quot;$1&quot; -a &quot;$SYS_BLOCK_SDX&quot; ]; then
		for i in $SYS_BLOCK_SDX; do
			se_dev=&quot;`echo \&quot;$i\&quot; | sed &#039;s|/sys/block/\([^/]\+\)/queue/scheduler|\1|&#039;`&quot;
			$1 &quot;elevator_${se_dev}&quot; &quot;$i&quot; &quot;$3&quot;
		done
	fi
}

# $0 DEVICES ELEVATOR
set_elevator() {
	_set_elevator_helper save_set_sys &quot;$1&quot; &quot;$2&quot;
}

# $0 DEVICES [ELEVATOR]
restore_elevator() {
	re_elevator=&quot;$2&quot;
	[ &quot;$re_elevator&quot; ] || re_elevator=cfq
	_set_elevator_helper restore_sys &quot;$1&quot; &quot;$re_elevator&quot;
}

# SATA Aggressive Link Power Management
# usage: set_disk_alpm policy
set_disk_alpm() {
	policy=$1

        for host in /sys/class/scsi_host/*; do
                if [ -f $host/ahci_port_cmd ]; then
                        port_cmd=`cat $host/ahci_port_cmd`;
                        if [ $((0x$port_cmd &amp; 0x240000)) = 0 -a -f $host/link_power_management_policy ]; then
                                echo $policy &gt;$host/link_power_management_policy;
                        else
                                echo &quot;max_performance&quot; &gt;$host/link_power_management_policy;
                        fi
                fi
        done
}

# usage: set_disk_apm level
set_disk_apm() {
	level=$1
	for disk in $DISKS_DEV; do
		hdparm -B $level $disk &amp;&gt;/dev/null
	done
}

# usage: set_disk_spindown level
set_disk_spindown() {
	level=$1
	for disk in $DISKS_DEV; do
		hdparm -S $level $disk &amp;&gt;/dev/null
	done
}

# usage: multiply_disk_readahead by
multiply_disk_readahead() {
	by=$1

	# float multiplication not supported in bash
	# bc might not be installed, python is available for sure

	for disk in $DISKS_SYS; do
		control=&quot;${disk}/queue/read_ahead_kb&quot;
		old=$(cat $control)
		new=$(echo &quot;print int($old*$by)&quot; | python)

		(echo $new &gt; $control) &amp;&gt;/dev/null
	done
}

# usage: remount_disk options partition1 partition2 ...
remount_partitions() {
	options=$1
	shift

	for partition in $@; do
		mount -o remount,$options $partition &gt;/dev/null 2&gt;&amp;1
	done
}

remount_all_no_rootboot_partitions() {
	[ &quot;$1&quot; ] || return
	# Find non-root and non-boot partitions, disable barriers on them
	rootvol=$(df -h / | grep &quot;^/dev&quot; | awk &#039;{print $1}&#039;)
	bootvol=$(df -h /boot | grep &quot;^/dev&quot; | awk &#039;{print $1}&#039;)
	volumes=$(df -hl --exclude=tmpfs | grep &quot;^/dev&quot; | awk &#039;{print $1}&#039;)
	nobarriervols=$(echo &quot;$volumes&quot; | grep -v $rootvol | grep -v $bootvol)
	remount_partitions &quot;$1&quot; $nobarriervols
}


DISK_QUANTUM_SAVE=&quot;${STORAGE}/disk_quantum${STORAGE_SUFFIX}&quot;

set_disk_scheduler_quantum() {
	value=$1
	rm -f &quot;$DISK_QUANTUM_SAVE&quot;
	for disk in $DISKS_SYS; do
		control=&quot;${disk}/queue/iosched/quantum&quot;
		echo &quot;echo $(cat $control) &gt; $control&quot; &gt;&gt; &quot;$DISK_QUANTUM_SAVE&quot; 2&gt;/dev/null
		(echo $value &gt; $control) &amp;2&gt;/dev/null
	done
}

restore_disk_scheduler_quantum() {
	if [ -r &quot;$DISK_QUANTUM_SAVE&quot; ]; then
		/bin/bash &quot;$DISK_QUANTUM_SAVE&quot; &amp;&gt;/dev/null
		rm -f &quot;$DISK_QUANTUM_SAVE&quot;
	fi
}

#
# CPU tuning
#

CPUSPEED_SAVE_FILE=&quot;${STORAGE}/cpuspeed${STORAGE_SUFFIX}&quot;
CPUSPEED_ORIG_GOV=&quot;${STORAGE}/cpuspeed-governor-%s${STORAGE_SUFFIX}&quot;
CPUSPEED_STARTED=&quot;${STORAGE}/cpuspeed-started&quot;
CPUSPEED_CFG=&quot;/etc/sysconfig/cpuspeed&quot;
CPUSPEED_INIT=&quot;/etc/rc.d/init.d/cpuspeed&quot;
# do not use cpuspeed
CPUSPEED_USE=&quot;0&quot;
CPUS=&quot;$(ls -d1 /sys/devices/system/cpu/cpu* | sed &#039;s;^.*/;;&#039; |  grep &quot;cpu[0-9]\+&quot;)&quot;

# set CPU governor setting and store the old settings
# usage: set_cpu_governor governor
set_cpu_governor() {
	governor=$1

	# always patch cpuspeed configuration if exists, if it doesn&#039;t exist and is enabled,
	# explicitly disable it with hint
	if [ -e $CPUSPEED_INIT ]; then
		if [ ! -e $CPUSPEED_SAVE_FILE -a -e $CPUSPEED_CFG ]; then
			cp -p $CPUSPEED_CFG $CPUSPEED_SAVE_FILE
			sed -e &#039;s/^GOVERNOR=.*/GOVERNOR=&#039;$governor&#039;/g&#039; $CPUSPEED_SAVE_FILE &gt; $CPUSPEED_CFG
		fi
	else
		if [ &quot;$CPUSPEED_USE&quot; = &quot;1&quot; ]; then
			echo &gt;&amp;2
			echo &quot;Suggestion: install &#039;cpuspeed&#039; package to get best tuning results.&quot; &gt;&amp;2
			echo &quot;Falling back to sysfs control.&quot; &gt;&amp;2
			echo &gt;&amp;2
		fi

		CPUSPEED_USE=&quot;0&quot;
	fi

	if [ &quot;$CPUSPEED_USE&quot; = &quot;1&quot; ]; then
		service cpuspeed status &amp;&gt; /dev/null
		[ $? -eq 3 ] &amp;&amp; touch $CPUSPEED_STARTED || rm -f $CPUSPEED_STARTED

		service cpuspeed restart &amp;&gt; /dev/null

	# direct change using sysfs
	elif [ -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ]; then

		for cpu in $CPUS; do
			gov_file=/sys/devices/system/cpu/$cpu/cpufreq/scaling_governor
			save_file=$(printf $CPUSPEED_ORIG_GOV $cpu)
			rm -f $save_file
			if [ -e $gov_file ]; then
				cat $gov_file &gt; $save_file
				echo $governor &gt; $gov_file
			fi
		done
	fi
}

# re-enable previous CPU governor settings
# usage: restore_cpu_governor
restore_cpu_governor() {
	if [ -e $CPUSPEED_INIT ]; then
		if [ -e $CPUSPEED_SAVE_FILE ]; then
			cp -fp $CPUSPEED_SAVE_FILE $CPUSPEED_CFG
			rm -f $CPUSPEED_SAVE_FILE
		fi

		if [ &quot;$CPUSPEED_USE&quot; = &quot;1&quot; ]; then
			if [ -e $CPUSPEED_STARTED ]; then
				service cpuspeed stop &amp;&gt; /dev/null
			else
				service cpuspeed restart &amp;&gt; /dev/null
			fi
		fi
		if [ -e $CPUSPEED_STARTED ]; then
			rm -f $CPUSPEED_STARTED
		fi
	else
		CPUSPEED_USE=&quot;0&quot;
	fi

	if [ &quot;$CPUSPEED_USE&quot; != &quot;1&quot; -a -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ]; then
		for cpu in $CPUS; do
			cpufreq_dir=/sys/devices/system/cpu/$cpu/cpufreq
			save_file=$(printf $CPUSPEED_ORIG_GOV $cpu)

			if [ -e $cpufreq_dir/scaling_governor ]; then
				if [ -e $save_file ]; then
					cat $save_file &gt; $cpufreq_dir/scaling_governor
					rm -f $save_file
				else
					echo userspace &gt; $cpufreq_dir/scaling_governor
					cat $cpufreq_dir/cpuinfo_max_freq &gt; $cpufreq_dir/scaling_setspeed
				fi
			fi
		done
	fi
}

_cpu_multicore_powersave() {
	value=$1
	[ -e /sys/devices/system/cpu/sched_mc_power_savings ] &amp;&amp; echo $value &gt; /sys/devices/system/cpu/sched_mc_power_savings
}

# enable multi core power savings for low wakeup systems
enable_cpu_multicore_powersave() {
	_cpu_multicore_powersave 1
}

disable_cpu_multicore_powersave() {
	_cpu_multicore_powersave 0
}

#
# MEMORY tuning
#

THP_ENABLE=&quot;/sys/kernel/mm/transparent_hugepage/enabled&quot;
THP_SAVE=&quot;${STORAGE}/thp${STORAGE_SUFFIX}&quot;

[ -e &quot;$THP_ENABLE&quot; ] || THP_ENABLE=&quot;/sys/kernel/mm/redhat_transparent_hugepage/enabled&quot;

enable_transparent_hugepages() {
	if [ -e $THP_ENABLE ]; then
		cut -f2 -d&#039;[&#039; $THP_ENABLE  | cut -f1 -d&#039;]&#039; &gt; $THP_SAVE
		(echo always &gt; $THP_ENABLE) &amp;&gt; /dev/null
	fi
}

restore_transparent_hugepages() {
	if [ -e $THP_SAVE ]; then
		(echo $(cat $THP_SAVE) &gt; $THP_ENABLE) &amp;&gt; /dev/null
		rm -f $THP_SAVE
	fi
}

#
# WIFI tuning
#

# usage: _wifi_set_power_level level
_wifi_set_power_level() {
	# 0    auto, PM enabled
	# 1-5  least savings and lowest latency - most savings and highest latency
	# 6    disable power savings
	level=$1

	# do not report errors on systems with no wireless
	[ -e /proc/net/wireless ] || return 0

	# apply the settings using iwpriv
	ifaces=$(cat /proc/net/wireless | grep -v &#039;|&#039; | sed &#039;s@^ *\([^:]*\):.*@\1@&#039;)
	for iface in $ifaces; do
		iwpriv $iface set_power $level
	done

	# some adapters may rely on sysfs
	for i in /sys/bus/pci/devices/*/power_level; do
		(echo $level &gt; $i) &amp;&gt; /dev/null
	done
}

enable_wifi_powersave() {
	_wifi_set_power_level 5
}

disable_wifi_powersave() {
	_wifi_set_power_level 0
}

#
# BLUETOOTH tuning
#

disable_bluetooth() {
	hciconfig hci0 down &gt;/dev/null 2&gt;&amp;1
	lsmod | grep -q btusb &amp;&amp; rmmod btusb
}

enable_bluetooth() {
	modprobe btusb
	hciconfig hci0 up &gt;/dev/null 2&gt;&amp;1
}

#
# USB tuning
#

_usb_autosuspend() {
	value=$1
	for i in /sys/bus/usb/devices/*/power/autosuspend; do echo $value &gt; $i; done &amp;&gt; /dev/null
}

enable_usb_autosuspend() {
	_usb_autosuspend 1
}

disable_usb_autosuspend() {
	_usb_autosuspend 0
}

#
# SOUND CARDS tuning
#

enable_snd_ac97_powersave() {
	save_set_sys ac97 /sys/module/snd_ac97_codec/parameters/power_save Y
}

disable_snd_ac97_powersave() {
	save_set_sys ac97 /sys/module/snd_ac97_codec/parameters/power_save N
}

restore_snd_ac97_powersave() {
	restore_sys ac97 /sys/module/snd_ac97_codec/parameters/power_save $1
}

set_hda_intel_powersave() {
	save_set_sys hda_intel /sys/module/snd_hda_intel/parameters/power_save $1
}

restore_hda_intel_powersave() {
	restore_sys hda_intel /sys/module/snd_hda_intel/parameters/power_save $1
}

#
# VIDEO CARDS tuning
#

# Power savings settings for Radeon
# usage: set_radeon_powersave dynpm | default | low | mid | high
set_radeon_powersave () {
	[ &quot;$1&quot; ] || return
	[ -e /sys/class/drm/card0/device/power_method ] || return
	if [ &quot;$1&quot; = default -o &quot;$1&quot; = auto -o &quot;$1&quot; = low -o &quot;$1&quot; = med -o &quot;$1&quot; = high ]; then
		[ -w /sys/class/drm/card0/device/power_profile ] || return
		save_sys radeon_profile /sys/class/drm/card0/device/power_profile
		save_set_sys radeon_method /sys/class/drm/card0/device/power_method profile
		set_sys /sys/class/drm/card0/device/power_profile &quot;$1&quot;
	elif [ &quot;$1&quot; = dynpm ]; then
		save_sys radeon_profile /sys/class/drm/card0/device/power_profile
		save_set_sys radeon_method /sys/class/drm/card0/device/power_method dynpm
	fi
}

restore_radeon_powersave () {
  restore_sys radeon_method /sys/class/drm/card0/device/power_method profile
  _rrp_method=&quot;`get_stored_sys radeon_method`&quot;
  [ -z &quot;$_rrp_method&quot; -o _rrp_method=&quot;profile&quot; ] &amp;&amp; restore_sys radeon_profile /sys/class/drm/card0/device/power_profile default
}

#
# SOFTWARE tuning
#

RSYSLOG_CFG=&quot;/etc/rsyslog.conf&quot;
RSYSLOG_SAVE=&quot;${STORAGE}/cpuspeed${STORAGE_SUFFIX}&quot;

disable_logs_syncing() {
	cp -p $RSYSLOG_CFG $RSYSLOG_SAVE
	sed -i &#039;s/ \/var\/log/-\/var\/log/&#039; $RSYSLOG_CFG
}

restore_logs_syncing() {
	mv -Z $RSYSLOG_SAVE $RSYSLOG_CFG || mv $RSYSLOG_SAVE $RSYSLOG_CFG
}

irqbalance_banned_cpus_clear() {
    sed -i &#039;/^IRQBALANCE_BANNED_CPUS=/d&#039; /etc/sysconfig/irqbalance || return
    if [ ${1:-restart} = restart ]; then
        systemctl try-restart irqbalance
    fi
}

irqbalance_banned_cpus_setup() {
    irqbalance_banned_cpus_clear norestart
    if [ -n &quot;$1&quot; ]; then
        echo &quot;IRQBALANCE_BANNED_CPUS=$1&quot; &gt;&gt; /etc/sysconfig/irqbalance
    fi
    systemctl try-restart irqbalance
}

#
# HARDWARE SPECIFIC tuning
#

# Asus EEE with Intel Atom
_eee_fsb_control() {
	value=$1
	if [ -e /sys/devices/platform/eeepc/she ]; then
		echo $value &gt; /sys/devices/platform/eeepc/she
	elif [ -e /sys/devices/platform/eeepc/cpufv ]; then
		echo $value &gt; /sys/devices/platform/eeepc/cpufv
	elif [ -e /sys/devices/platform/eeepc-wmi/cpufv ]; then
		echo $value &gt; /sys/devices/platform/eeepc-wmi/cpufv
	fi
}

eee_set_reduced_fsb() {
	_eee_fsb_control 2
}

eee_set_normal_fsb() {
	_eee_fsb_control 1
}

#
# modprobe configuration handling
#

kvm_modprobe_file=/etc/modprobe.d/kvm.rt.tuned.conf

teardown_kvm_mod_low_latency()
{
	rm -f $kvm_modprobe_file
}

setup_kvm_mod_low_latency()
{
	local HAS_KPS=&quot;&quot;
	local HAS_NX_HP=&quot;&quot;
	local HAS_PLE_GAP=&quot;&quot;
	local WANTS_KPS=&quot;&quot;
	local WANTS_NX_HP=&quot;&quot;
	local WANTS_PLE_GAP=&quot;&quot;

	modinfo -p kvm | grep -q kvmclock_periodic_sync &amp;&amp; HAS_KPS=1
	modinfo -p kvm | grep -q nx_huge_pages &amp;&amp; HAS_NX_HP=1
	modinfo -p kvm_intel | grep -q ple_gap &amp;&amp; HAS_PLE_GAP=1
	grep -qs kvmclock_periodic_sync &quot;$kvm_modprobe_file&quot; &amp;&amp; WANTS_KPS=1
	grep -qs nx_huge_pages &quot;$kvm_modprobe_file&quot; &amp;&amp; WANTS_NX_HP=1
	grep -qs ple_gap &quot;$kvm_modprobe_file&quot; &amp;&amp; WANTS_PLE_GAP=1

	if [ &quot;$HAS_KPS&quot; != &quot;$WANTS_KPS&quot; -o &quot;$HAS_PLE_GAP&quot; != &quot;$WANTS_PLE_GAP&quot; -o \
	     &quot;$HAS_NX_HP&quot; != &quot;$WANTS_NX_HP&quot; ]; then
		teardown_kvm_mod_low_latency
		[ &quot;$HAS_KPS&quot; ] &amp;&amp; echo &quot;options kvm kvmclock_periodic_sync=0&quot; &gt; $kvm_modprobe_file
		[ &quot;$HAS_NX_HP&quot; ] &amp;&amp; echo &quot;options kvm nx_huge_pages=0&quot; &gt;&gt; $kvm_modprobe_file
		[ &quot;$HAS_PLE_GAP&quot; ] &amp;&amp; echo &quot;options kvm_intel ple_gap=0&quot; &gt;&gt; $kvm_modprobe_file
	fi
	return 0
}

#
# KSM
#

KSM_SERVICES=&quot;ksm ksmtuned&quot;
KSM_RUN_PATH=/sys/kernel/mm/ksm/run
KSM_MASK_FILE=&quot;${STORAGE_PERSISTENT}/ksm-masked&quot;

disable_ksm()
{
	if [ ! -f $KSM_MASK_FILE ]; then
		# Always create $KSM_MASK_FILE, since we don&#039;t want to
		# run any systemctl commands during boot
		if ! touch $KSM_MASK_FILE; then
			die &quot;failed to create $KSM_MASK_FILE&quot;
		fi
		# Do not run any systemctl commands if $KSM_SERVICES units do not exist
		systemctl cat -- $KSM_SERVICES &amp;&gt; /dev/null || return 0
		systemctl --now --quiet mask $KSM_SERVICES
		# Unmerge all shared pages
		test -f $KSM_RUN_PATH &amp;&amp; echo 2 &gt; $KSM_RUN_PATH
	fi
}

# Should only be called when full_rollback == true
enable_ksm()
{
	if [ -f $KSM_MASK_FILE ]; then
		# Do not run any systemctl commands if $KSM_SERVICES units do not exist
		systemctl cat -- $KSM_SERVICES &amp;&gt; /dev/null || return 0
		if systemctl --quiet unmask $KSM_SERVICES; then
			rm -f $KSM_MASK_FILE
		fi
	fi
}

die() {
	echo &quot;$@&quot; &gt;&amp;2
	exit 1
}

#
# ACTION PROCESSING
#

error_not_implemented() {
	echo &quot;tuned: script function &#039;$1&#039; is not implemented.&quot; &gt;&amp;2
}

# implicit actions, will be used if not provided by profile script:
#
# * start    must be implemented
# * stop     must be implemented

start() {
	error_not_implemented start
	return 16
}

stop() {
	error_not_implemented stop
	return 16
}

#
# main processing
#

process() {
	ARG=&quot;$1&quot;
	shift
	case &quot;$ARG&quot; in
	start)
		start &quot;$@&quot;
		RETVAL=$?
		;;
	stop)
		stop &quot;$@&quot;
		RETVAL=$?
		;;
	verify)
		if declare -f verify &amp;&gt; /dev/null;
		then
			verify &quot;$@&quot;
		else
			:
		fi
		RETVAL=$?
		;;
	*)
		echo $&quot;Usage: $0 {start|stop|verify}&quot;
		RETVAL=2
		;;
	esac

	exit $RETVAL
}
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