summaryrefslogtreecommitdiffstats
path: root/src/spdk/test/unit/lib/event/subsystem.c/subsystem_ut.c
blob: deeb2f3aa1973fcc6f77460f45b42ca691bf7cd7 (plain)
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
/*-
 *   BSD LICENSE
 *
 *   Copyright (c) Intel Corporation.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
 *   OWNER 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.
 */

#include "spdk/stdinc.h"

#include "spdk_cunit.h"

#include "unit/lib/json_mock.c"
#include "event/subsystem.c"
#include "common/lib/test_env.c"

static struct spdk_subsystem g_ut_subsystems[8];
static struct spdk_subsystem_depend g_ut_subsystem_deps[8];
static int global_rc;

static void
ut_event_fn(int rc, void *arg1)
{
	global_rc = rc;
}

static void
set_up_subsystem(struct spdk_subsystem *subsystem, const char *name)
{
	subsystem->init = NULL;
	subsystem->fini = NULL;
	subsystem->config = NULL;
	subsystem->name = name;
}

static void
set_up_depends(struct spdk_subsystem_depend *depend, const char *subsystem_name,
	       const char *dpends_on_name)
{
	depend->name = subsystem_name;
	depend->depends_on = dpends_on_name;
}

static void
subsystem_clear(void)
{
	struct spdk_subsystem *subsystem, *subsystem_tmp;
	struct spdk_subsystem_depend *subsystem_dep, *subsystem_dep_tmp;

	TAILQ_FOREACH_SAFE(subsystem, &g_subsystems, tailq, subsystem_tmp) {
		TAILQ_REMOVE(&g_subsystems, subsystem, tailq);
	}

	TAILQ_FOREACH_SAFE(subsystem_dep, &g_subsystems_deps, tailq, subsystem_dep_tmp) {
		TAILQ_REMOVE(&g_subsystems_deps, subsystem_dep, tailq);
	}
}

static void
subsystem_sort_test_depends_on_single(void)
{
	struct spdk_subsystem *subsystem;
	int i;
	char subsystem_name[16];

	global_rc = -1;
	spdk_subsystem_init(ut_event_fn, NULL);
	CU_ASSERT(global_rc == 0);

	i = 4;
	TAILQ_FOREACH(subsystem, &g_subsystems, tailq) {
		snprintf(subsystem_name, sizeof(subsystem_name), "subsystem%d", i);
		SPDK_CU_ASSERT_FATAL(i > 0);
		i--;
		CU_ASSERT(strcmp(subsystem_name, subsystem->name) == 0);
	}
}

static void
subsystem_sort_test_depends_on_multiple(void)
{
	int i;
	struct spdk_subsystem *subsystem;

	subsystem_clear();
	set_up_subsystem(&g_ut_subsystems[0], "iscsi");
	set_up_subsystem(&g_ut_subsystems[1], "nvmf");
	set_up_subsystem(&g_ut_subsystems[2], "sock");
	set_up_subsystem(&g_ut_subsystems[3], "bdev");
	set_up_subsystem(&g_ut_subsystems[4], "rpc");
	set_up_subsystem(&g_ut_subsystems[5], "scsi");
	set_up_subsystem(&g_ut_subsystems[6], "interface");
	set_up_subsystem(&g_ut_subsystems[7], "accel");

	for (i = 0; i < 8; i++) {
		spdk_add_subsystem(&g_ut_subsystems[i]);
	}

	set_up_depends(&g_ut_subsystem_deps[0], "bdev", "accel");
	set_up_depends(&g_ut_subsystem_deps[1], "scsi", "bdev");
	set_up_depends(&g_ut_subsystem_deps[2], "rpc", "interface");
	set_up_depends(&g_ut_subsystem_deps[3], "sock", "interface");
	set_up_depends(&g_ut_subsystem_deps[4], "nvmf", "interface");
	set_up_depends(&g_ut_subsystem_deps[5], "iscsi", "scsi");
	set_up_depends(&g_ut_subsystem_deps[6], "iscsi", "sock");
	set_up_depends(&g_ut_subsystem_deps[7], "iscsi", "rpc");

	for (i = 0; i < 8; i++) {
		spdk_add_subsystem_depend(&g_ut_subsystem_deps[i]);
	}

	global_rc = -1;
	spdk_subsystem_init(ut_event_fn, NULL);
	CU_ASSERT(global_rc == 0);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "interface") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "accel") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "nvmf") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "sock") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "bdev") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "rpc") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "scsi") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);

	subsystem = TAILQ_FIRST(&g_subsystems);
	CU_ASSERT(strcmp(subsystem->name, "iscsi") == 0);
	TAILQ_REMOVE(&g_subsystems, subsystem, tailq);
}

struct spdk_subsystem subsystem1 = {
	.name = "subsystem1",
};

struct spdk_subsystem subsystem2 = {
	.name = "subsystem2",
};
struct spdk_subsystem subsystem3 = {
	.name = "subsystem3",
};

struct spdk_subsystem subsystem4 = {
	.name = "subsystem4",
};

SPDK_SUBSYSTEM_REGISTER(subsystem1);
SPDK_SUBSYSTEM_REGISTER(subsystem2);
SPDK_SUBSYSTEM_REGISTER(subsystem3);
SPDK_SUBSYSTEM_REGISTER(subsystem4);

SPDK_SUBSYSTEM_DEPEND(subsystem1, subsystem2)
SPDK_SUBSYSTEM_DEPEND(subsystem2, subsystem3)
SPDK_SUBSYSTEM_DEPEND(subsystem3, subsystem4)


static void
subsystem_sort_test_missing_dependency(void)
{
	/*
	 * A depends on B, but B is missing
	 */

	subsystem_clear();
	set_up_subsystem(&g_ut_subsystems[0], "A");
	spdk_add_subsystem(&g_ut_subsystems[0]);

	set_up_depends(&g_ut_subsystem_deps[0], "A", "B");
	spdk_add_subsystem_depend(&g_ut_subsystem_deps[0]);

	global_rc = -1;
	spdk_subsystem_init(ut_event_fn, NULL);
	CU_ASSERT(global_rc != 0);

	/*
	 * Dependency from C to A is defined, but C is missing
	 */

	subsystem_clear();
	set_up_subsystem(&g_ut_subsystems[0], "A");
	spdk_add_subsystem(&g_ut_subsystems[0]);

	set_up_depends(&g_ut_subsystem_deps[0], "C", "A");
	spdk_add_subsystem_depend(&g_ut_subsystem_deps[0]);

	global_rc = -1;
	spdk_subsystem_init(ut_event_fn, NULL);
	CU_ASSERT(global_rc != 0);

}

int
main(int argc, char **argv)
{
	CU_pSuite	suite = NULL;
	unsigned int	num_failures;

	CU_set_error_action(CUEA_ABORT);
	CU_initialize_registry();

	suite = CU_add_suite("subsystem_suite", NULL, NULL);

	CU_ADD_TEST(suite, subsystem_sort_test_depends_on_single);
	CU_ADD_TEST(suite, subsystem_sort_test_depends_on_multiple);
	CU_ADD_TEST(suite, subsystem_sort_test_missing_dependency);

	CU_basic_set_mode(CU_BRM_VERBOSE);
	CU_basic_run_tests();
	num_failures = CU_get_number_of_failures();
	CU_cleanup_registry();

	return num_failures;
}