1 | /* |
---|
2 | * Copyright (c) 2016 embedded brains GmbH. All rights reserved. |
---|
3 | * |
---|
4 | * embedded brains GmbH |
---|
5 | * Dornierstr. 4 |
---|
6 | * 82178 Puchheim |
---|
7 | * Germany |
---|
8 | * <rtems@embedded-brains.de> |
---|
9 | * |
---|
10 | * The license and distribution terms for this file may be |
---|
11 | * found in the file LICENSE in this distribution or at |
---|
12 | * http://www.rtems.org/license/LICENSE. |
---|
13 | */ |
---|
14 | |
---|
15 | #ifdef HAVE_CONFIG_H |
---|
16 | #include "config.h" |
---|
17 | #endif |
---|
18 | |
---|
19 | #include <tmacros.h> |
---|
20 | #include <fstest.h> |
---|
21 | |
---|
22 | #include <sys/stat.h> |
---|
23 | #include <string.h> |
---|
24 | #include <fcntl.h> |
---|
25 | #include <unistd.h> |
---|
26 | #include <errno.h> |
---|
27 | |
---|
28 | #include <rtems/jffs2.h> |
---|
29 | |
---|
30 | const char rtems_test_name[] = "FSJFFS2GC 1"; |
---|
31 | |
---|
32 | static const rtems_jffs2_info info_initial = { |
---|
33 | .flash_size = 131072, |
---|
34 | .flash_blocks = 8, |
---|
35 | .flash_block_size = 16384, |
---|
36 | .used_size = 96, |
---|
37 | .dirty_size = 0, |
---|
38 | .wasted_size = 0, |
---|
39 | .free_size = 130976, |
---|
40 | .bad_size = 0, |
---|
41 | .clean_blocks = 0, |
---|
42 | .dirty_blocks = 0, |
---|
43 | .erasable_blocks = 0, |
---|
44 | .free_blocks = 8, |
---|
45 | .bad_blocks = 0 |
---|
46 | }; |
---|
47 | |
---|
48 | static const rtems_jffs2_info info_big_created = { |
---|
49 | .flash_size = 131072, |
---|
50 | .flash_blocks = 8, |
---|
51 | .flash_block_size = 16384, |
---|
52 | .used_size = 22292, |
---|
53 | .dirty_size = 0, |
---|
54 | .wasted_size = 164, |
---|
55 | .free_size = 108616, |
---|
56 | .bad_size = 0, |
---|
57 | .clean_blocks = 1, |
---|
58 | .dirty_blocks = 0, |
---|
59 | .erasable_blocks = 0, |
---|
60 | .free_blocks = 7, |
---|
61 | .bad_blocks = 0 |
---|
62 | }; |
---|
63 | |
---|
64 | static const rtems_jffs2_info info_big_removed = { |
---|
65 | .flash_size = 131072, |
---|
66 | .flash_blocks = 8, |
---|
67 | .flash_block_size = 16384, |
---|
68 | .used_size = 72, |
---|
69 | .dirty_size = 16384, |
---|
70 | .wasted_size = 6000, |
---|
71 | .free_size = 108616, |
---|
72 | .bad_size = 0, |
---|
73 | .clean_blocks = 0, |
---|
74 | .dirty_blocks = 0, |
---|
75 | .erasable_blocks = 1, |
---|
76 | .free_blocks = 7, |
---|
77 | .bad_blocks = 0 |
---|
78 | }; |
---|
79 | |
---|
80 | static const rtems_jffs2_info info_more_files_created = { |
---|
81 | .flash_size = 131072, |
---|
82 | .flash_blocks = 8, |
---|
83 | .flash_block_size = 16384, |
---|
84 | .used_size = 54896, |
---|
85 | .dirty_size = 23336, |
---|
86 | .wasted_size = 36, |
---|
87 | .free_size = 52804, |
---|
88 | .bad_size = 0, |
---|
89 | .clean_blocks = 2, |
---|
90 | .dirty_blocks = 1, |
---|
91 | .erasable_blocks = 1, |
---|
92 | .free_blocks = 4, |
---|
93 | .bad_blocks = 0 |
---|
94 | }; |
---|
95 | |
---|
96 | static const rtems_jffs2_info info_some_files_removed = { |
---|
97 | .flash_size = 131072, |
---|
98 | .flash_blocks = 8, |
---|
99 | .flash_block_size = 16384, |
---|
100 | .used_size = 23528, |
---|
101 | .dirty_size = 47372, |
---|
102 | .wasted_size = 7368, |
---|
103 | .free_size = 52804, |
---|
104 | .bad_size = 0, |
---|
105 | .clean_blocks = 0, |
---|
106 | .dirty_blocks = 3, |
---|
107 | .erasable_blocks = 1, |
---|
108 | .free_blocks = 4, |
---|
109 | .bad_blocks = 0 |
---|
110 | }; |
---|
111 | |
---|
112 | static char big[] = "big"; |
---|
113 | |
---|
114 | static const char * const more[] = { |
---|
115 | "1", |
---|
116 | "2", |
---|
117 | "3", |
---|
118 | "4", |
---|
119 | "5", |
---|
120 | "6", |
---|
121 | "7" |
---|
122 | }; |
---|
123 | |
---|
124 | #define ASSERT_INFO(a, b) do { \ |
---|
125 | rv = ioctl(fd, RTEMS_JFFS2_GET_INFO, &info); \ |
---|
126 | rtems_test_assert(rv == 0); \ |
---|
127 | rtems_test_assert(memcmp(a, b, sizeof(*a)) == 0); \ |
---|
128 | } while (0) |
---|
129 | |
---|
130 | static const mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO; |
---|
131 | |
---|
132 | static char keg[523]; |
---|
133 | |
---|
134 | static uint32_t simple_random(uint32_t v) |
---|
135 | { |
---|
136 | v *= 1664525; |
---|
137 | v += 1013904223; |
---|
138 | |
---|
139 | return v; |
---|
140 | } |
---|
141 | |
---|
142 | static void init_keg(void) |
---|
143 | { |
---|
144 | size_t i; |
---|
145 | uint32_t v; |
---|
146 | |
---|
147 | v = 123; |
---|
148 | for (i = 0; i < sizeof(keg); ++i) { |
---|
149 | v = simple_random(v); |
---|
150 | keg[i] = (uint8_t) (v >> 23); |
---|
151 | } |
---|
152 | } |
---|
153 | |
---|
154 | static void write_kegs(int fd, int kegs) |
---|
155 | { |
---|
156 | int i; |
---|
157 | |
---|
158 | for (i = 0; i < kegs; ++i) { |
---|
159 | ssize_t n; |
---|
160 | |
---|
161 | n = write(fd, &keg[0], sizeof(keg)); |
---|
162 | rtems_test_assert(n == (ssize_t) sizeof(keg)); |
---|
163 | } |
---|
164 | } |
---|
165 | |
---|
166 | static void create_big_file(void) |
---|
167 | { |
---|
168 | int fd; |
---|
169 | int rv; |
---|
170 | |
---|
171 | fd = open(&big[0], O_WRONLY | O_TRUNC | O_CREAT, mode); |
---|
172 | rtems_test_assert(fd >= 0); |
---|
173 | |
---|
174 | write_kegs(fd, 37); |
---|
175 | |
---|
176 | rv = close(fd); |
---|
177 | rtems_test_assert(rv == 0); |
---|
178 | } |
---|
179 | |
---|
180 | static void remove_big_file(void) |
---|
181 | { |
---|
182 | int rv; |
---|
183 | |
---|
184 | rv = unlink(&big[0]); |
---|
185 | rtems_test_assert(rv == 0); |
---|
186 | } |
---|
187 | |
---|
188 | static void create_more_files(void) |
---|
189 | { |
---|
190 | int fds[RTEMS_ARRAY_SIZE(more)]; |
---|
191 | int rv; |
---|
192 | size_t i; |
---|
193 | int j; |
---|
194 | |
---|
195 | for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) { |
---|
196 | fds[i] = open(more[i], O_WRONLY | O_TRUNC | O_CREAT, mode); |
---|
197 | rtems_test_assert(fds[i] >= 0); |
---|
198 | } |
---|
199 | |
---|
200 | for (j = 0; j < 13; ++j) { |
---|
201 | for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) { |
---|
202 | write_kegs(fds[i], 1); |
---|
203 | } |
---|
204 | } |
---|
205 | |
---|
206 | for (i = 0; i < RTEMS_ARRAY_SIZE(fds); ++i) { |
---|
207 | rv = close(fds[i]); |
---|
208 | rtems_test_assert(rv == 0); |
---|
209 | } |
---|
210 | } |
---|
211 | |
---|
212 | static void remove_some_files(void) |
---|
213 | { |
---|
214 | size_t i; |
---|
215 | |
---|
216 | for (i = 0; i < RTEMS_ARRAY_SIZE(more); i += 2) { |
---|
217 | int rv; |
---|
218 | |
---|
219 | rv = unlink(more[i]); |
---|
220 | rtems_test_assert(rv == 0); |
---|
221 | } |
---|
222 | } |
---|
223 | |
---|
224 | void test(void) |
---|
225 | { |
---|
226 | int fd; |
---|
227 | int rv; |
---|
228 | rtems_jffs2_info info; |
---|
229 | |
---|
230 | init_keg(); |
---|
231 | |
---|
232 | fd = open("/", O_RDONLY); |
---|
233 | rtems_test_assert(fd >= 0); |
---|
234 | |
---|
235 | ASSERT_INFO(&info, &info_initial); |
---|
236 | |
---|
237 | create_big_file(); |
---|
238 | ASSERT_INFO(&info, &info_big_created); |
---|
239 | |
---|
240 | remove_big_file(); |
---|
241 | ASSERT_INFO(&info, &info_big_removed); |
---|
242 | |
---|
243 | create_more_files(); |
---|
244 | ASSERT_INFO(&info, &info_more_files_created); |
---|
245 | |
---|
246 | remove_some_files(); |
---|
247 | ASSERT_INFO(&info, &info_some_files_removed); |
---|
248 | |
---|
249 | rv = close(fd); |
---|
250 | rtems_test_assert(rv == 0); |
---|
251 | } |
---|