source: rtems/testsuites/fstests/fsdosfswrite01/init.c @ bc75887

4.11
Last change on this file since bc75887 was bc75887, checked in by Sebastian Huber <sebastian.huber@…>, on Mar 16, 2014 at 3:15:33 PM

tests/fstests: Use <rtems/test.h>

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File size: 7.4 KB
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1/*
2 * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
3 *
4 *  embedded brains GmbH
5 *  Obere Lagerstr. 30
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.com/license/LICENSE.
13 */
14
15#ifdef HAVE_CONFIG_H
16  #include "config.h"
17#endif
18
19#include "tmacros.h"
20#include <fcntl.h>
21#include <rtems/dosfs.h>
22#include <rtems/sparse-disk.h>
23#include <rtems/blkdev.h>
24#include <bsp.h>
25
26const char rtems_test_name[] = "FSDOSFSWRITE 1";
27
28#define MAX_PATH_LENGTH 100 /* Maximum number of characters per path */
29#define SECTOR_SIZE 512 /* sector size (bytes) */
30#define FAT16_MAX_CLN 65525 /* maximum + 1 number of clusters for FAT16 */
31#define FAT16_DEFAULT_SECTORS_PER_CLUSTER 32 /* Default number of sectors per cluster for FAT16 */
32#define SECTORS_PER_CLUSTER 2
33
34static void format_and_mount( const char *dev_name, const char *mount_dir )
35{
36  static const msdos_format_request_param_t rqdata = {
37    .sectors_per_cluster = SECTORS_PER_CLUSTER,
38    .quick_format        = true
39  };
40
41  int                                       rv;
42
43
44  rv = msdos_format( dev_name, &rqdata );
45  rtems_test_assert( rv == 0 );
46
47  rv = mount( dev_name,
48              mount_dir,
49              RTEMS_FILESYSTEM_TYPE_DOSFS,
50              RTEMS_FILESYSTEM_READ_WRITE,
51              NULL );
52  rtems_test_assert( rv == 0 );
53}
54
55static void do_fsync( const char *file )
56{
57  int rv;
58  int fd;
59
60
61  fd = open( file, O_RDONLY );
62  rtems_test_assert( fd >= 0 );
63
64  rv = fsync( fd );
65  rtems_test_assert( rv == 0 );
66
67  rv = close( fd );
68  rtems_test_assert( rv == 0 );
69}
70
71static void check_block_stats( const char *dev_name,
72  const char                              *mount_dir,
73  const rtems_blkdev_stats                *expected_stats )
74{
75  int                fd;
76  int                rv;
77  rtems_blkdev_stats actual_stats;
78
79
80  do_fsync( mount_dir );
81
82  fd = open( dev_name, O_RDONLY );
83  rtems_test_assert( fd >= 0 );
84
85  rv = ioctl( fd, RTEMS_BLKIO_GETDEVSTATS, &actual_stats );
86  rtems_test_assert( rv == 0 );
87  rtems_test_assert( memcmp( &actual_stats, expected_stats,
88                             sizeof( actual_stats ) ) == 0 );
89
90  rv = close( fd );
91  rtems_test_assert( rv == 0 );
92}
93
94static void reset_block_stats( const char *dev_name, const char *mount_dir )
95{
96  int fd;
97  int rv;
98
99
100  do_fsync( mount_dir );
101
102  fd = open( dev_name, O_RDONLY );
103  rtems_test_assert( fd >= 0 );
104
105  rv = ioctl( fd, RTEMS_BLKIO_PURGEDEV );
106  rtems_test_assert( rv == 0 );
107
108  rv = ioctl( fd, RTEMS_BLKIO_RESETDEVSTATS );
109  rtems_test_assert( rv == 0 );
110
111  rv = close( fd );
112  rtems_test_assert( rv == 0 );
113}
114
115static int create_file( const char *file_name )
116{
117  mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
118
119
120  return creat( file_name, mode );
121}
122
123static void test_normal_file_write(
124  const char *dev_name,
125  const char *mount_dir,
126  const char *file_name )
127{
128  static const rtems_blkdev_stats complete_block_stats = {
129    .read_hits            = 0,
130    .read_misses          = 0,
131    .read_ahead_transfers = 0,
132    .read_blocks          = 0,
133    .read_errors          = 0,
134    .write_transfers      = 1,
135    .write_blocks         = 1,
136    .write_errors         = 0
137  };
138  static const rtems_blkdev_stats new_block_stats = {
139    .read_hits            = 8,
140    .read_misses          = 2,
141    .read_ahead_transfers = 0,
142    .read_blocks          = 2,
143    .read_errors          = 0,
144    .write_transfers      = 1,
145    .write_blocks         = 4,
146    .write_errors         = 0
147  };
148
149  int                             rv;
150  int                             fd;
151  ssize_t                         num_bytes;
152  uint8_t                         cluster_buf[SECTOR_SIZE
153                                              * SECTORS_PER_CLUSTER];
154  uint32_t                        cluster_size = sizeof( cluster_buf );
155  off_t                           off;
156
157
158  memset( cluster_buf, 0xFE, cluster_size );
159
160  format_and_mount( dev_name, mount_dir );
161
162  fd = create_file( file_name );
163  rtems_test_assert( fd >= 0 );
164
165  num_bytes = write( fd, cluster_buf, cluster_size );
166  rtems_test_assert( (ssize_t) cluster_size == num_bytes );
167
168  off = lseek( fd, 0, SEEK_SET );
169  rtems_test_assert( off == 0 );
170
171  reset_block_stats( dev_name, mount_dir );
172
173  /* Write a complete cluster into an existing file space */
174  num_bytes = write( fd, cluster_buf, cluster_size );
175  rtems_test_assert( (ssize_t) cluster_size == num_bytes );
176
177  check_block_stats( dev_name, mount_dir, &complete_block_stats );
178  reset_block_stats( dev_name, mount_dir );
179
180  num_bytes = write( fd, cluster_buf, cluster_size );
181  rtems_test_assert( (ssize_t) cluster_size == num_bytes );
182
183  /* Write a new partial cluster into a new file space */
184  num_bytes = write( fd, cluster_buf, 1 );
185  rtems_test_assert( num_bytes == 1 );
186
187  check_block_stats( dev_name, mount_dir, &new_block_stats );
188
189  rv = close( fd );
190  rtems_test_assert( 0 == rv );
191
192  rv = unmount( mount_dir );
193  rtems_test_assert( 0 == rv );
194}
195
196static void test_fat12_root_directory_write( const char *dev_name,
197  const char                                            *mount_dir,
198  const char                                            *file_name )
199{
200  static const rtems_blkdev_stats fat12_root_dir_stats = {
201    .read_hits            = 11,
202    .read_misses          = 2,
203    .read_ahead_transfers = 0,
204    .read_blocks          = 2,
205    .read_errors          = 0,
206    .write_transfers      = 1,
207    .write_blocks         = 1,
208    .write_errors         = 0
209  };
210
211  int                             fd;
212  int                             rv;
213
214
215  format_and_mount( dev_name, mount_dir );
216
217  reset_block_stats( dev_name, mount_dir );
218
219  fd = create_file( file_name );
220  rtems_test_assert( fd >= 0 );
221
222  rv = close( fd );
223  rtems_test_assert( rv == 0 );
224
225  check_block_stats( dev_name, mount_dir, &fat12_root_dir_stats );
226
227  rv = unmount( mount_dir );
228  rtems_test_assert( rv == 0 );
229}
230
231static void test( void )
232{
233  static const char dev_name[]  = "/dev/sda";
234  static const char mount_dir[] = "/mnt";
235  static const char file_name[] = "/mnt/file.txt";
236
237  rtems_status_code sc;
238  int               rv;
239
240
241  sc = rtems_disk_io_initialize();
242  rtems_test_assert( sc == RTEMS_SUCCESSFUL );
243
244  rv = mkdir( mount_dir, S_IRWXU | S_IRWXG | S_IRWXO );
245  rtems_test_assert( 0 == rv );
246
247  /* A 1.44 MB disk */
248  sc = rtems_sparse_disk_create_and_register(
249    dev_name,
250    SECTOR_SIZE,
251    64,
252    2880,
253    0
254    );
255  rtems_test_assert( RTEMS_SUCCESSFUL == sc );
256
257  test_fat12_root_directory_write( dev_name, mount_dir, file_name );
258
259  test_normal_file_write( dev_name, mount_dir, file_name );
260
261  rv = unlink( dev_name );
262  rtems_test_assert( rv == 0 );
263}
264
265static void Init( rtems_task_argument arg )
266{
267  TEST_BEGIN();
268
269  test();
270
271  TEST_END();
272  rtems_test_exit( 0 );
273}
274
275#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
276#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
277#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
278
279#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
280
281#define CONFIGURE_FILESYSTEM_DOSFS
282
283/* 1 device file for blkstats + 1 file for writing + 1 mount_dir + stdin + stdout + stderr + device file when mounted */
284#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 8
285
286#define CONFIGURE_UNLIMITED_OBJECTS
287#define CONFIGURE_UNIFIED_WORK_AREAS
288
289#define CONFIGURE_INIT_TASK_STACK_SIZE ( 32 * 1024 )
290
291#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
292
293#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
294
295#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE ( 32 * 1024 )
296
297#define CONFIGURE_INIT
298
299#include <rtems/confdefs.h>
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