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
|
/*
* Blockjob tests
*
* Copyright Igalia, S.L. 2016
*
* Authors:
* Alberto Garcia <berto@igalia.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/main-loop.h"
#include "block/blockjob_int.h"
#include "sysemu/block-backend.h"
static const BlockJobDriver test_block_job_driver = {
.instance_size = sizeof(BlockJob),
};
static void block_job_cb(void *opaque, int ret)
{
}
static BlockJob *do_test_id(BlockBackend *blk, const char *id,
bool should_succeed)
{
BlockJob *job;
Error *errp = NULL;
job = block_job_create(id, &test_block_job_driver, blk_bs(blk),
0, BLK_PERM_ALL, 0, BLOCK_JOB_DEFAULT, block_job_cb,
NULL, &errp);
if (should_succeed) {
g_assert_null(errp);
g_assert_nonnull(job);
if (id) {
g_assert_cmpstr(job->id, ==, id);
} else {
g_assert_cmpstr(job->id, ==, blk_name(blk));
}
} else {
g_assert_nonnull(errp);
g_assert_null(job);
error_free(errp);
}
return job;
}
/* This creates a BlockBackend (optionally with a name) with a
* BlockDriverState inserted. */
static BlockBackend *create_blk(const char *name)
{
/* No I/O is performed on this device */
BlockBackend *blk = blk_new(0, BLK_PERM_ALL);
BlockDriverState *bs;
bs = bdrv_open("null-co://", NULL, NULL, 0, &error_abort);
g_assert_nonnull(bs);
blk_insert_bs(blk, bs, &error_abort);
bdrv_unref(bs);
if (name) {
Error *errp = NULL;
monitor_add_blk(blk, name, &errp);
g_assert_null(errp);
}
return blk;
}
/* This destroys the backend */
static void destroy_blk(BlockBackend *blk)
{
if (blk_name(blk)[0] != '\0') {
monitor_remove_blk(blk);
}
blk_remove_bs(blk);
blk_unref(blk);
}
static void test_job_ids(void)
{
BlockBackend *blk[3];
BlockJob *job[3];
blk[0] = create_blk(NULL);
blk[1] = create_blk("drive1");
blk[2] = create_blk("drive2");
/* No job ID provided and the block backend has no name */
job[0] = do_test_id(blk[0], NULL, false);
/* These are all invalid job IDs */
job[0] = do_test_id(blk[0], "0id", false);
job[0] = do_test_id(blk[0], "", false);
job[0] = do_test_id(blk[0], " ", false);
job[0] = do_test_id(blk[0], "123", false);
job[0] = do_test_id(blk[0], "_id", false);
job[0] = do_test_id(blk[0], "-id", false);
job[0] = do_test_id(blk[0], ".id", false);
job[0] = do_test_id(blk[0], "#id", false);
/* This one is valid */
job[0] = do_test_id(blk[0], "id0", true);
/* We cannot have two jobs in the same BDS */
do_test_id(blk[0], "id1", false);
/* Duplicate job IDs are not allowed */
job[1] = do_test_id(blk[1], "id0", false);
/* But once job[0] finishes we can reuse its ID */
block_job_unref(job[0]);
job[1] = do_test_id(blk[1], "id0", true);
/* No job ID specified, defaults to the backend name ('drive1') */
block_job_unref(job[1]);
job[1] = do_test_id(blk[1], NULL, true);
/* Duplicate job ID */
job[2] = do_test_id(blk[2], "drive1", false);
/* The ID of job[2] would default to 'drive2' but it is already in use */
job[0] = do_test_id(blk[0], "drive2", true);
job[2] = do_test_id(blk[2], NULL, false);
/* This one is valid */
job[2] = do_test_id(blk[2], "id_2", true);
block_job_unref(job[0]);
block_job_unref(job[1]);
block_job_unref(job[2]);
destroy_blk(blk[0]);
destroy_blk(blk[1]);
destroy_blk(blk[2]);
}
int main(int argc, char **argv)
{
qemu_init_main_loop(&error_abort);
bdrv_init();
g_test_init(&argc, &argv, NULL);
g_test_add_func("/blockjob/ids", test_job_ids);
return g_test_run();
}
|
