#

# This file and its contents are supplied under the terms of the

# Common Development and Distribution License ("CDDL"), version 1.0.

# You may only use this file in accordance with the terms of version

# 1.0 of the CDDL.

#

# A full copy of the text of the CDDL should have accompanied this

# source. A copy of the CDDL is also available via the Internet at

# http://www.illumos.org/license/CDDL.

#

#

# Copyright (c) 2012, 2016 by Delphix. All rights reserved.

#

typeset -a compress_props=('on' 'off' 'lzjb' 'gzip' 'gzip-1' 'gzip-2' 'gzip-3'

'gzip-4' 'gzip-5' 'gzip-6' 'gzip-7' 'gzip-8' 'gzip-9' 'zle')

typeset -a checksum_props=('on' 'off' 'fletcher2' 'fletcher4' 'sha256')

#

# Given the property array passed in, return 'num_props' elements to the

# user, excluding any elements below 'start.' This allows us to exclude

# 'off' and 'on' which can be either unwanted, or a duplicate of another

# property respectively.

#

function get_rand_prop

{

typeset prop_array=($(eval echo \${$1[@]}))

typeset -i num_props=$2

typeset -i start=$3

typeset retstr=""

[[ -z $prop_array || -z $num_props || -z $start ]] && \

log_fail "get_rand_prop: bad arguments"

typeset prop_max=$((${#prop_array[@]} - 1))

typeset -i i

for i in $(shuf -i $start-$prop_max -n $num_props); do

retstr="${prop_array[$i]} $retstr"

done

echo $retstr

}

function get_rand_compress

{

get_rand_prop compress_props $1 2

}

function get_rand_compress_any

{

get_rand_prop compress_props $1 0

}

function get_rand_checksum

{

get_rand_prop checksum_props $1 2

}

function get_rand_checksum_any

{

get_rand_prop checksum_props $1 0

}