1#!/bin/ksh -p
2
3#
4# This file and its contents are supplied under the terms of the
5# Common Development and Distribution License ("CDDL"), version 1.0.
6# You may only use this file in accordance with the terms of version
7# 1.0 of the CDDL.
8#
9# A full copy of the text of the CDDL should have accompanied this
10# source.  A copy of the CDDL is also available via the Internet at
11# http://www.illumos.org/license/CDDL.
12#
13
14#
15# Copyright (c) 2015, Delphix. All rights reserved.
16#
17
18. $STF_SUITE/tests/functional/rsend/rsend.kshlib
19. $STF_SUITE/include/properties.shlib
20
21#
22# Description:
23# Verify the stream size estimate given by -P accounts for compressed send.
24# Verify the stream size given by -P accounts for compressed send."
25#
26# Strategy:
27# 1. For datasets of varied compression types do the following:
28# 2. Write data, verify stream size estimates with and without -c
29#
30
31verify_runnable "both"
32typeset send_ds="$POOL2/testfs"
33typeset send_vol="$POOL2/vol"
34typeset send_voldev="$ZVOL_DEVDIR/$POOL2/vol"
35typeset file="$BACKDIR/file.0"
36typeset megs="16"
37typeset compress
38
39function get_estimated_size
40{
41	typeset cmd=$1
42	typeset ds=${cmd##* }
43	typeset tmpfile=$(mktemp $BACKDIR/size_estimate.XXXXXXXX)
44
45	eval "$cmd >$tmpfile" || log_fail "$cmd: $?"
46	awk -v ds="$ds" '$2 == ds {print $3}' $tmpfile
47	rm -f $tmpfile
48}
49
50log_assert "Verify the stream size given by -P accounts for compressed send."
51log_onexit cleanup_pool $POOL2
52
53write_compressible $BACKDIR ${megs}m
54
55for compress in "${compress_prop_vals[@]}"; do
56	datasetexists $send_ds && destroy_dataset $send_ds -r
57	datasetexists $send_vol && destroy_dataset $send_vol -r
58	log_must zfs create -o compress=$compress $send_ds
59	log_must zfs create -V 1g -o compress=$compress $send_vol
60	block_device_wait $send_voldev
61
62	typeset dir=$(get_prop mountpoint $send_ds)
63	log_must cp $file $dir
64	log_must zfs snapshot $send_ds@snap
65	log_must dd if=$file of=$send_voldev
66	log_must zfs snapshot $send_vol@snap
67
68	typeset ds_size=$(get_estimated_size "zfs send -nP $send_ds@snap")
69	typeset ds_lrefer=$(get_prop lrefer $send_ds)
70	log_must within_percent $ds_size $ds_lrefer 90
71
72	typeset vol_size=$(get_estimated_size "zfs send -nP $send_vol@snap")
73	typeset vol_lrefer=$(get_prop lrefer $send_vol)
74	log_must within_percent $vol_size $vol_lrefer 90
75
76	typeset ds_csize=$(get_estimated_size "zfs send -nP -c $send_ds@snap")
77	typeset ds_refer=$(get_prop refer $send_ds)
78	log_must within_percent $ds_csize $ds_refer 90
79
80	typeset vol_csize=$(get_estimated_size "zfs send -nP -c $send_vol@snap")
81	typeset vol_refer=$(get_prop refer $send_vol)
82	log_must within_percent $vol_csize $vol_refer 90
83done
84
85log_pass "The stream size given by -P accounts for compressed send."
86