aboutsummaryrefslogtreecommitdiff
path: root/tests/sys/kern/sendfile_test.sh
blob: 2efda9310396c8bdf2448c5574968afd11de9896 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright (c) 2020 Netflix, Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$

#
# These tests exercise a few basic cases for the sendfile() syscall:
# - successful operation.
# - sendfile() starts an async disk read but that async I/O fails.
# - sendfile() fails to read an indirect block and thus cannot
#   even start an async I/O.
#
# In all cases we request some read ahead in addition to
# the data to be sent to the socket.
#

MD_DEVS="md.devs"
MNT=/mnt
FILE=$MNT/file
HELPER="$(atf_get_srcdir)/sendfile_helper"
BSIZE=4096

atf_test_case io_success cleanup
io_success_head()
{
	atf_set "descr" "sendfile where all disk I/O succeeds"
	atf_set "require.user" "root"
	atf_set "timeout" 15
}
io_success_body()
{
	md=$(alloc_md)
	common_body_setup $md

	atf_check $HELPER $FILE 0 0x10000 0x10000
}
io_success_cleanup()
{
	common_cleanup
}

atf_test_case io_fail_sync cleanup
io_fail_sync_head()
{
	atf_set "descr" "sendfile where we fail to start async I/O"
	atf_set "require.user" "root"
	atf_set "timeout" 15
}
io_fail_sync_body()
{
	md=$(alloc_md)
	common_body_setup $md

	atf_check gnop configure -r 100 -e 5 ${md}.nop
	atf_check -s exit:3 -e ignore $HELPER $FILE $((12 * $BSIZE)) $BSIZE 0x10000
}
io_fail_sync_cleanup()
{
	common_cleanup
}

atf_test_case io_fail_async cleanup
io_fail_async_head()
{
	atf_set "descr" "sendfile where an async I/O fails"
	atf_set "require.user" "root"
	atf_set "timeout" 15
}
io_fail_async_body()
{
	md=$(alloc_md)
	common_body_setup $md

	atf_check gnop configure -r 100 -e 5 ${md}.nop
	atf_check -s exit:2 -e ignore $HELPER $FILE 0 $BSIZE 0x10000
}
io_fail_async_cleanup()
{
	common_cleanup
}


atf_init_test_cases()
{
	atf_add_test_case io_success
	atf_add_test_case io_fail_sync
	atf_add_test_case io_fail_async
}

alloc_md()
{
	local md

	md=$(mdconfig -a -t swap -s 256M) || atf_fail "mdconfig -a failed"
	echo ${md} >> $MD_DEVS
	echo ${md}
}

common_body_setup()
{
	us=$1

	atf_check -o ignore -e ignore newfs -b $BSIZE -U -j /dev/${us}
	atf_check mount /dev/${us} $MNT
	atf_check -e ignore dd if=/dev/zero of=$FILE bs=1m count=1
	atf_check umount /mnt

	load_gnop
	atf_check gnop create /dev/${us}
	atf_check mount /dev/${us}.nop $MNT
	atf_check -o ignore ls -l $MNT/file
}

common_cleanup()
{
	umount -f $MNT
	if [ -f "$MD_DEVS" ]; then
		while read test_md; do
			gnop destroy -f ${test_md}.nop 2>/dev/null
			mdconfig -d -u $test_md 2>/dev/null
		done < $MD_DEVS
		rm $MD_DEVS
	fi

	true
}

load_gnop()
{
	if ! kldstat -q -m g_nop; then
		geom nop load || atf_skip "could not load module for geom nop"
	fi
}