1#!/bin/bash
2#
3# Copyright (C) 2009 Red Hat, Inc.
4# Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
5#
6# This program is free software; you can redistribute it and/or
7# modify it under the terms of the GNU General Public License as
8# published by the Free Software Foundation.
9#
10# This program is distributed in the hope that it would be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17#
18#
19# standard filters
20#
21
22# ctime(3) dates
23#
24_filter_date()
25{
26    sed \
27        -e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
28}
29
30_filter_generated_node_ids()
31{
32     sed -re 's/\#block[0-9]{3,}/NODE_NAME/'
33}
34
35_filter_qom_path()
36{
37    sed -e 's#\(Attached to: *\) /.*#\1 PATH#'
38}
39
40# replace occurrences of the actual TEST_DIR value with TEST_DIR
41_filter_testdir()
42{
43    sed -e "s#$TEST_DIR/#TEST_DIR/#g"
44}
45
46# replace occurrences of the actual IMGFMT value with IMGFMT
47_filter_imgfmt()
48{
49    sed -e "s#$IMGFMT#IMGFMT#g"
50}
51
52# Replace error message when the format is not supported and delete
53# the output lines after the first one
54_filter_qemu_img_check()
55{
56    sed -e '/allocated.*fragmented.*compressed clusters/d' \
57        -e 's/qemu-img: This image format does not support checks/No errors were found on the image./' \
58        -e '/Image end offset: [0-9]\+/d'
59}
60
61# Removes \r from messages
62_filter_win32()
63{
64    sed -e 's/\r//g'
65}
66
67# sanitize qemu-io output
68_filter_qemu_io()
69{
70    _filter_win32 | sed -e "s/[0-9]* ops\; [0-9/:. sec]* ([0-9/.inf]* [EPTGMKiBbytes]*\/sec and [0-9/.inf]* ops\/sec)/X ops\; XX:XX:XX.X (XXX YYY\/sec and XXX ops\/sec)/" \
71        -e "s/: line [0-9][0-9]*:  *[0-9][0-9]*\( Aborted\| Killed\)/:\1/" \
72        -e "s/qemu-io> //g"
73}
74
75# replace occurrences of QEMU_PROG with "qemu"
76_filter_qemu()
77{
78    sed -e "s#\\(^\\|(qemu) \\)$(basename $QEMU_PROG):#\1QEMU_PROG:#" \
79        -e 's#^QEMU [0-9]\+\.[0-9]\+\.[0-9]\+ monitor#QEMU X.Y.Z monitor#' \
80        -e '/main-loop: WARNING: I\/O thread spun for [0-9]\+ iterations/d' \
81        -e $'s#\r##' # QEMU monitor uses \r\n line endings
82}
83
84# replace problematic QMP output like timestamps
85_filter_qmp()
86{
87    _filter_win32 | \
88    sed -e 's#\("\(micro\)\?seconds": \)[0-9]\+#\1 TIMESTAMP#g' \
89        -e 's#^{"QMP":.*}$#QMP_VERSION#' \
90        -e '/^    "QMP": {\s*$/, /^    }\s*$/ c\' \
91        -e '    QMP_VERSION'
92}
93
94# readline makes HMP command strings so long that git complains
95_filter_hmp()
96{
97    sed -e $'s/^\\((qemu) \\)\\?.*\e\\[D/\\1/g' \
98        -e $'s/\e\\[K//g'
99}
100
101# replace block job offset
102_filter_block_job_offset()
103{
104    sed -e 's/, "offset": [0-9]\+,/, "offset": OFFSET,/'
105}
106
107# replace block job len
108_filter_block_job_len()
109{
110    sed -e 's/, "len": [0-9]\+,/, "len": LEN,/g'
111}
112
113# replace actual image size (depends on the host filesystem)
114_filter_actual_image_size()
115{
116    sed -s 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g'
117}
118
119# replace driver-specific options in the "Formatting..." line
120_filter_img_create()
121{
122    sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
123        -e "s#$TEST_DIR#TEST_DIR#g" \
124        -e "s#$IMGFMT#IMGFMT#g" \
125        -e 's#nbd:127.0.0.1:10810#TEST_DIR/t.IMGFMT#g' \
126        -e "s# encryption=off##g" \
127        -e "s# cluster_size=[0-9]\\+##g" \
128        -e "s# table_size=[0-9]\\+##g" \
129        -e "s# compat=[^ ]*##g" \
130        -e "s# compat6=\\(on\\|off\\)##g" \
131        -e "s# static=\\(on\\|off\\)##g" \
132        -e "s# zeroed_grain=\\(on\\|off\\)##g" \
133        -e "s# subformat='[^']*'##g" \
134        -e "s# adapter_type='[^']*'##g" \
135        -e "s# hwversion=[^ ]*##g" \
136        -e "s# lazy_refcounts=\\(on\\|off\\)##g" \
137        -e "s# block_size=[0-9]\\+##g" \
138        -e "s# block_state_zero=\\(on\\|off\\)##g" \
139        -e "s# log_size=[0-9]\\+##g" \
140        -e "s# refcount_bits=[0-9]\\+##g" \
141        -e "s# key-secret=[a-zA-Z0-9]\\+##g" \
142        -e "s# iter-time=[0-9]\\+##g" \
143        -e "s# force_size=\\(on\\|off\\)##g"
144}
145
146_filter_img_info()
147{
148    if [[ "$1" == "--format-specific" ]]; then
149        local format_specific=1
150        shift
151    else
152        local format_specific=0
153    fi
154
155    discard=0
156    regex_json_spec_start='^ *"format-specific": \{'
157    sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
158        -e "s#$TEST_DIR#TEST_DIR#g" \
159        -e "s#$IMGFMT#IMGFMT#g" \
160        -e 's#nbd://127.0.0.1:10810$#TEST_DIR/t.IMGFMT#g' \
161        -e 's#json.*vdisk-id.*vxhs"}}#TEST_DIR/t.IMGFMT#' \
162        -e "/encrypted: yes/d" \
163        -e "/cluster_size: [0-9]\\+/d" \
164        -e "/table_size: [0-9]\\+/d" \
165        -e "/compat: '[^']*'/d" \
166        -e "/compat6: \\(on\\|off\\)/d" \
167        -e "/static: \\(on\\|off\\)/d" \
168        -e "/zeroed_grain: \\(on\\|off\\)/d" \
169        -e "/subformat: '[^']*'/d" \
170        -e "/adapter_type: '[^']*'/d" \
171        -e "/hwversion: '[^']*'/d" \
172        -e "/lazy_refcounts: \\(on\\|off\\)/d" \
173        -e "/block_size: [0-9]\\+/d" \
174        -e "/block_state_zero: \\(on\\|off\\)/d" \
175        -e "/log_size: [0-9]\\+/d" \
176        -e "s/iters: [0-9]\\+/iters: 1024/" \
177        -e "s/uuid: [-a-f0-9]\\+/uuid: 00000000-0000-0000-0000-000000000000/" | \
178    while IFS='' read -r line; do
179        if [[ $format_specific == 1 ]]; then
180            discard=0
181        elif [[ $line == "Format specific information:" ]]; then
182            discard=1
183        elif [[ $line =~ $regex_json_spec_start ]]; then
184            discard=2
185            regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
186        fi
187        if [[ $discard == 0 ]]; then
188            echo "$line"
189        elif [[ $discard == 1 && ! $line ]]; then
190            echo
191            discard=0
192        elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
193            discard=0
194        fi
195    done
196}
197
198# filter out offsets and file names from qemu-img map; good for both
199# human and json output
200_filter_qemu_img_map()
201{
202    sed -e 's/\([0-9a-fx]* *[0-9a-fx]* *\)[0-9a-fx]* */\1/g' \
203        -e 's/"offset": [0-9]\+/"offset": OFFSET/g' \
204        -e 's/Mapped to *//' | _filter_testdir | _filter_imgfmt
205}
206
207_filter_nbd()
208{
209    # nbd.c error messages contain function names and line numbers that are
210    # prone to change.  Message ordering depends on timing between send and
211    # receive callbacks sometimes, making them unreliable.
212    #
213    # Filter out the TCP port number since this changes between runs.
214    sed -e '/nbd\/.*\.c:/d' \
215        -e 's#127\.0\.0\.1:[0-9]*#127.0.0.1:PORT#g' \
216        -e "s#?socket=$TEST_DIR#?socket=TEST_DIR#g" \
217        -e 's#\(foo\|PORT/\?\|.sock\): Failed to .*$#\1#'
218}
219
220# make sure this script returns success
221true
222