Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 1 | /* |
| 2 | * test_io.c --- This is the Test I/O interface. |
| 3 | * |
| 4 | * Copyright (C) 1996 Theodore Ts'o. |
| 5 | * |
| 6 | * %Begin-Header% |
Theodore Ts'o | 543547a | 2010-05-17 21:31:56 -0400 | [diff] [blame] | 7 | * This file may be redistributed under the terms of the GNU Library |
| 8 | * General Public License, version 2. |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 9 | * %End-Header% |
| 10 | */ |
| 11 | |
Theodore Ts'o | d1154eb | 2011-09-18 17:34:37 -0400 | [diff] [blame] | 12 | #include "config.h" |
Theodore Ts'o | 1ad3174 | 2013-06-16 14:34:59 -0400 | [diff] [blame] | 13 | #if HAVE_SECURE_GETENV |
| 14 | #define _GNU_SOURCE |
| 15 | #endif |
| 16 | #if HAVE_SECURE_GETENV |
| 17 | #define _GNU_SOURCE |
| 18 | #endif |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 19 | #include <stdio.h> |
| 20 | #include <string.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 21 | #if HAVE_UNISTD_H |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 22 | #include <unistd.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 23 | #endif |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 24 | #include <fcntl.h> |
| 25 | #include <time.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 26 | #if HAVE_SYS_STAT_H |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 27 | #include <sys/stat.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 28 | #endif |
| 29 | #if HAVE_SYS_TYPES_H |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 30 | #include <sys/types.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 31 | #endif |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 32 | #ifdef HAVE_SYS_PRCTL_H |
| 33 | #include <sys/prctl.h> |
| 34 | #else |
| 35 | #define PR_GET_DUMPABLE 3 |
| 36 | #endif |
| 37 | #if (!defined(HAVE_PRCTL) && defined(linux)) |
| 38 | #include <sys/syscall.h> |
| 39 | #endif |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 40 | |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 41 | #include "ext2_fs.h" |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 42 | #include "ext2fs.h" |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 43 | |
| 44 | /* |
| 45 | * For checking structure magic numbers... |
| 46 | */ |
| 47 | |
| 48 | #define EXT2_CHECK_MAGIC(struct, code) \ |
| 49 | if ((struct)->magic != (code)) return (code) |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 50 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 51 | struct test_private_data { |
| 52 | int magic; |
| 53 | io_channel real; |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 54 | int flags; |
| 55 | FILE *outfile; |
| 56 | unsigned long block; |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 57 | int read_abort_count, write_abort_count; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 58 | void (*read_blk)(unsigned long block, int count, errcode_t err); |
| 59 | void (*write_blk)(unsigned long block, int count, errcode_t err); |
| 60 | void (*set_blksize)(int blksize, errcode_t err); |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 61 | void (*write_byte)(unsigned long block, int count, errcode_t err); |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 62 | void (*read_blk64)(unsigned long long block, int count, errcode_t err); |
| 63 | void (*write_blk64)(unsigned long long block, int count, errcode_t err); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | static errcode_t test_open(const char *name, int flags, io_channel *channel); |
| 67 | static errcode_t test_close(io_channel channel); |
| 68 | static errcode_t test_set_blksize(io_channel channel, int blksize); |
| 69 | static errcode_t test_read_blk(io_channel channel, unsigned long block, |
| 70 | int count, void *data); |
| 71 | static errcode_t test_write_blk(io_channel channel, unsigned long block, |
| 72 | int count, const void *data); |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 73 | static errcode_t test_read_blk64(io_channel channel, unsigned long long block, |
| 74 | int count, void *data); |
| 75 | static errcode_t test_write_blk64(io_channel channel, unsigned long long block, |
| 76 | int count, const void *data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 77 | static errcode_t test_flush(io_channel channel); |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 78 | static errcode_t test_write_byte(io_channel channel, unsigned long offset, |
| 79 | int count, const void *buf); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 80 | static errcode_t test_set_option(io_channel channel, const char *option, |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 81 | const char *arg); |
Theodore Ts'o | 6d96b00 | 2007-08-03 20:07:09 -0400 | [diff] [blame] | 82 | static errcode_t test_get_stats(io_channel channel, io_stats *stats); |
Lukas Czerner | e90a59e | 2010-11-18 03:38:36 +0000 | [diff] [blame] | 83 | static errcode_t test_discard(io_channel channel, unsigned long long block, |
| 84 | unsigned long long count); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 85 | |
| 86 | static struct struct_io_manager struct_test_manager = { |
| 87 | EXT2_ET_MAGIC_IO_MANAGER, |
| 88 | "Test I/O Manager", |
| 89 | test_open, |
| 90 | test_close, |
| 91 | test_set_blksize, |
| 92 | test_read_blk, |
| 93 | test_write_blk, |
Theodore Ts'o | 31dbecd | 2001-01-11 04:54:39 +0000 | [diff] [blame] | 94 | test_flush, |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 95 | test_write_byte, |
Theodore Ts'o | 6d96b00 | 2007-08-03 20:07:09 -0400 | [diff] [blame] | 96 | test_set_option, |
| 97 | test_get_stats, |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 98 | test_read_blk64, |
| 99 | test_write_blk64, |
Lukas Czerner | e90a59e | 2010-11-18 03:38:36 +0000 | [diff] [blame] | 100 | test_discard, |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | io_manager test_io_manager = &struct_test_manager; |
| 104 | |
| 105 | /* |
| 106 | * These global variable can be set by the test program as |
| 107 | * necessary *before* calling test_open |
| 108 | */ |
| 109 | io_manager test_io_backing_manager = 0; |
| 110 | void (*test_io_cb_read_blk) |
| 111 | (unsigned long block, int count, errcode_t err) = 0; |
| 112 | void (*test_io_cb_write_blk) |
| 113 | (unsigned long block, int count, errcode_t err) = 0; |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 114 | void (*test_io_cb_read_blk64) |
| 115 | (unsigned long long block, int count, errcode_t err) = 0; |
| 116 | void (*test_io_cb_write_blk64) |
| 117 | (unsigned long long block, int count, errcode_t err) = 0; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 118 | void (*test_io_cb_set_blksize) |
| 119 | (int blksize, errcode_t err) = 0; |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 120 | void (*test_io_cb_write_byte) |
| 121 | (unsigned long block, int count, errcode_t err) = 0; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 122 | |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 123 | /* |
| 124 | * Test flags |
| 125 | */ |
| 126 | #define TEST_FLAG_READ 0x01 |
| 127 | #define TEST_FLAG_WRITE 0x02 |
| 128 | #define TEST_FLAG_SET_BLKSIZE 0x04 |
| 129 | #define TEST_FLAG_FLUSH 0x08 |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 130 | #define TEST_FLAG_DUMP 0x10 |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 131 | #define TEST_FLAG_SET_OPTION 0x20 |
Lukas Czerner | e90a59e | 2010-11-18 03:38:36 +0000 | [diff] [blame] | 132 | #define TEST_FLAG_DISCARD 0x40 |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 133 | |
| 134 | static void test_dump_block(io_channel channel, |
| 135 | struct test_private_data *data, |
Theodore Ts'o | 48e6e81 | 2003-07-06 00:36:48 -0400 | [diff] [blame] | 136 | unsigned long block, const void *buf) |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 137 | { |
| 138 | const unsigned char *cp; |
| 139 | FILE *f = data->outfile; |
| 140 | int i; |
| 141 | unsigned long cksum = 0; |
| 142 | |
| 143 | for (i=0, cp = buf; i < channel->block_size; i++, cp++) { |
| 144 | cksum += *cp; |
| 145 | } |
Theodore Ts'o | 48e6e81 | 2003-07-06 00:36:48 -0400 | [diff] [blame] | 146 | fprintf(f, "Contents of block %lu, checksum %08lu: \n", block, cksum); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 147 | for (i=0, cp = buf; i < channel->block_size; i++, cp++) { |
| 148 | if ((i % 16) == 0) |
| 149 | fprintf(f, "%04x: ", i); |
| 150 | fprintf(f, "%02x%c", *cp, ((i % 16) == 15) ? '\n' : ' '); |
| 151 | } |
| 152 | } |
| 153 | |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 154 | static void test_abort(io_channel channel, unsigned long block) |
| 155 | { |
| 156 | struct test_private_data *data; |
| 157 | FILE *f; |
| 158 | |
| 159 | data = (struct test_private_data *) channel->private_data; |
| 160 | f = data->outfile; |
| 161 | test_flush(channel); |
| 162 | |
| 163 | fprintf(f, "Aborting due to I/O to block %lu\n", block); |
| 164 | fflush(f); |
| 165 | abort(); |
| 166 | } |
| 167 | |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 168 | static char *safe_getenv(const char *arg) |
| 169 | { |
Theodore Ts'o | 09f3eba | 2005-04-16 13:56:03 -0400 | [diff] [blame] | 170 | if ((getuid() != geteuid()) || (getgid() != getegid())) |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 171 | return NULL; |
| 172 | #if HAVE_PRCTL |
Theodore Ts'o | 583d1f8 | 2005-07-25 11:36:43 -0500 | [diff] [blame] | 173 | if (prctl(PR_GET_DUMPABLE, 0, 0, 0, 0) == 0) |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 174 | return NULL; |
| 175 | #else |
| 176 | #if (defined(linux) && defined(SYS_prctl)) |
Theodore Ts'o | 583d1f8 | 2005-07-25 11:36:43 -0500 | [diff] [blame] | 177 | if (syscall(SYS_prctl, PR_GET_DUMPABLE, 0, 0, 0, 0) == 0) |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 178 | return NULL; |
| 179 | #endif |
| 180 | #endif |
| 181 | |
Theodore Ts'o | 1ad3174 | 2013-06-16 14:34:59 -0400 | [diff] [blame] | 182 | #if defined(HAVE_SECURE_GETENV) |
| 183 | return secure_getenv(arg); |
| 184 | #elif defined(HAVE___SECURE_GETENV) |
Theodore Ts'o | 3af0a45 | 2005-05-08 02:15:02 -0400 | [diff] [blame] | 185 | return __secure_getenv(arg); |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 186 | #else |
Theodore Ts'o | 3af0a45 | 2005-05-08 02:15:02 -0400 | [diff] [blame] | 187 | return getenv(arg); |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 188 | #endif |
| 189 | } |
| 190 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 191 | static errcode_t test_open(const char *name, int flags, io_channel *channel) |
| 192 | { |
| 193 | io_channel io = NULL; |
| 194 | struct test_private_data *data = NULL; |
| 195 | errcode_t retval; |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 196 | char *value; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 197 | |
| 198 | if (name == 0) |
| 199 | return EXT2_ET_BAD_DEVICE_NAME; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 200 | retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 201 | if (retval) |
Eric Sandeen | 624e8eb | 2011-09-16 15:49:28 -0500 | [diff] [blame] | 202 | goto cleanup; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 203 | memset(io, 0, sizeof(struct struct_io_channel)); |
| 204 | io->magic = EXT2_ET_MAGIC_IO_CHANNEL; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 205 | retval = ext2fs_get_mem(sizeof(struct test_private_data), &data); |
Eric Sandeen | 624e8eb | 2011-09-16 15:49:28 -0500 | [diff] [blame] | 206 | if (retval) |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 207 | goto cleanup; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 208 | io->manager = test_io_manager; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 209 | retval = ext2fs_get_mem(strlen(name)+1, &io->name); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 210 | if (retval) |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 211 | goto cleanup; |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 212 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 213 | strcpy(io->name, name); |
| 214 | io->private_data = data; |
| 215 | io->block_size = 1024; |
| 216 | io->read_error = 0; |
| 217 | io->write_error = 0; |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 218 | io->refcount = 1; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 219 | |
| 220 | memset(data, 0, sizeof(struct test_private_data)); |
| 221 | data->magic = EXT2_ET_MAGIC_TEST_IO_CHANNEL; |
| 222 | if (test_io_backing_manager) { |
| 223 | retval = test_io_backing_manager->open(name, flags, |
| 224 | &data->real); |
| 225 | if (retval) |
| 226 | goto cleanup; |
| 227 | } else |
| 228 | data->real = 0; |
| 229 | data->read_blk = test_io_cb_read_blk; |
| 230 | data->write_blk = test_io_cb_write_blk; |
| 231 | data->set_blksize = test_io_cb_set_blksize; |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 232 | data->write_byte = test_io_cb_write_byte; |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 233 | data->read_blk64 = test_io_cb_read_blk64; |
| 234 | data->write_blk64 = test_io_cb_write_blk64; |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 235 | |
| 236 | data->outfile = NULL; |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 237 | if ((value = safe_getenv("TEST_IO_LOGFILE")) != NULL) |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 238 | data->outfile = fopen(value, "w"); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 239 | if (!data->outfile) |
| 240 | data->outfile = stderr; |
| 241 | |
| 242 | data->flags = 0; |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 243 | if ((value = safe_getenv("TEST_IO_FLAGS")) != NULL) |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 244 | data->flags = strtoul(value, NULL, 0); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 245 | |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 246 | data->block = 0; |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 247 | if ((value = safe_getenv("TEST_IO_BLOCK")) != NULL) |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 248 | data->block = strtoul(value, NULL, 0); |
| 249 | |
| 250 | data->read_abort_count = 0; |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 251 | if ((value = safe_getenv("TEST_IO_READ_ABORT")) != NULL) |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 252 | data->read_abort_count = strtoul(value, NULL, 0); |
| 253 | |
| 254 | data->write_abort_count = 0; |
Theodore Ts'o | 762c7c6 | 2005-04-06 14:44:16 -0400 | [diff] [blame] | 255 | if ((value = safe_getenv("TEST_IO_WRITE_ABORT")) != NULL) |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 256 | data->write_abort_count = strtoul(value, NULL, 0); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 257 | |
Theodore Ts'o | 0a05b90 | 2012-05-07 12:56:07 -0400 | [diff] [blame] | 258 | if (data->real) |
| 259 | io->align = data->real->align; |
| 260 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 261 | *channel = io; |
| 262 | return 0; |
| 263 | |
| 264 | cleanup: |
| 265 | if (io) |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 266 | ext2fs_free_mem(&io); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 267 | if (data) |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 268 | ext2fs_free_mem(&data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 269 | return retval; |
| 270 | } |
| 271 | |
| 272 | static errcode_t test_close(io_channel channel) |
| 273 | { |
| 274 | struct test_private_data *data; |
| 275 | errcode_t retval = 0; |
| 276 | |
| 277 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 278 | data = (struct test_private_data *) channel->private_data; |
| 279 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 280 | |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 281 | if (--channel->refcount > 0) |
| 282 | return 0; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 283 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 284 | if (data->real) |
| 285 | retval = io_channel_close(data->real); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 286 | |
Theodore Ts'o | c62dbdb | 2003-05-05 19:50:49 -0400 | [diff] [blame] | 287 | if (data->outfile && data->outfile != stderr) |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 288 | fclose(data->outfile); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 289 | |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 290 | ext2fs_free_mem(&channel->private_data); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 291 | if (channel->name) |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 292 | ext2fs_free_mem(&channel->name); |
| 293 | ext2fs_free_mem(&channel); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 294 | return retval; |
| 295 | } |
| 296 | |
| 297 | static errcode_t test_set_blksize(io_channel channel, int blksize) |
| 298 | { |
| 299 | struct test_private_data *data; |
| 300 | errcode_t retval = 0; |
| 301 | |
| 302 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 303 | data = (struct test_private_data *) channel->private_data; |
| 304 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 305 | |
Theodore Ts'o | 0a05b90 | 2012-05-07 12:56:07 -0400 | [diff] [blame] | 306 | if (data->real) { |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 307 | retval = io_channel_set_blksize(data->real, blksize); |
Theodore Ts'o | 0a05b90 | 2012-05-07 12:56:07 -0400 | [diff] [blame] | 308 | channel->align = data->real->align; |
| 309 | } |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 310 | if (data->set_blksize) |
| 311 | data->set_blksize(blksize, retval); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 312 | if (data->flags & TEST_FLAG_SET_BLKSIZE) |
| 313 | fprintf(data->outfile, |
| 314 | "Test_io: set_blksize(%d) returned %s\n", |
| 315 | blksize, retval ? error_message(retval) : "OK"); |
| 316 | channel->block_size = blksize; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 317 | return retval; |
| 318 | } |
| 319 | |
| 320 | |
| 321 | static errcode_t test_read_blk(io_channel channel, unsigned long block, |
| 322 | int count, void *buf) |
| 323 | { |
| 324 | struct test_private_data *data; |
| 325 | errcode_t retval = 0; |
| 326 | |
| 327 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 328 | data = (struct test_private_data *) channel->private_data; |
| 329 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 330 | |
| 331 | if (data->real) |
| 332 | retval = io_channel_read_blk(data->real, block, count, buf); |
| 333 | if (data->read_blk) |
| 334 | data->read_blk(block, count, retval); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 335 | if (data->flags & TEST_FLAG_READ) |
| 336 | fprintf(data->outfile, |
| 337 | "Test_io: read_blk(%lu, %d) returned %s\n", |
| 338 | block, count, retval ? error_message(retval) : "OK"); |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 339 | if (data->block && data->block == block) { |
| 340 | if (data->flags & TEST_FLAG_DUMP) |
| 341 | test_dump_block(channel, data, block, buf); |
| 342 | if (--data->read_abort_count == 0) |
| 343 | test_abort(channel, block); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 344 | } |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 345 | return retval; |
| 346 | } |
| 347 | |
| 348 | static errcode_t test_write_blk(io_channel channel, unsigned long block, |
| 349 | int count, const void *buf) |
| 350 | { |
| 351 | struct test_private_data *data; |
| 352 | errcode_t retval = 0; |
| 353 | |
| 354 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 355 | data = (struct test_private_data *) channel->private_data; |
| 356 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 357 | |
| 358 | if (data->real) |
| 359 | retval = io_channel_write_blk(data->real, block, count, buf); |
Theodore Ts'o | f20d0d5 | 2000-12-05 03:53:41 +0000 | [diff] [blame] | 360 | if (data->write_blk) |
| 361 | data->write_blk(block, count, retval); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 362 | if (data->flags & TEST_FLAG_WRITE) |
| 363 | fprintf(data->outfile, |
| 364 | "Test_io: write_blk(%lu, %d) returned %s\n", |
| 365 | block, count, retval ? error_message(retval) : "OK"); |
Theodore Ts'o | a002e7e | 2004-05-26 21:04:07 -0400 | [diff] [blame] | 366 | if (data->block && data->block == block) { |
| 367 | if (data->flags & TEST_FLAG_DUMP) |
| 368 | test_dump_block(channel, data, block, buf); |
| 369 | if (--data->write_abort_count == 0) |
| 370 | test_abort(channel, block); |
| 371 | } |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 372 | return retval; |
| 373 | } |
| 374 | |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 375 | static errcode_t test_read_blk64(io_channel channel, unsigned long long block, |
| 376 | int count, void *buf) |
| 377 | { |
| 378 | struct test_private_data *data; |
| 379 | errcode_t retval = 0; |
| 380 | |
| 381 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 382 | data = (struct test_private_data *) channel->private_data; |
| 383 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 384 | |
| 385 | if (data->real) |
| 386 | retval = io_channel_read_blk64(data->real, block, count, buf); |
| 387 | if (data->read_blk64) |
| 388 | data->read_blk64(block, count, retval); |
| 389 | if (data->flags & TEST_FLAG_READ) |
| 390 | fprintf(data->outfile, |
| 391 | "Test_io: read_blk64(%llu, %d) returned %s\n", |
| 392 | block, count, retval ? error_message(retval) : "OK"); |
| 393 | if (data->block && data->block == block) { |
| 394 | if (data->flags & TEST_FLAG_DUMP) |
| 395 | test_dump_block(channel, data, block, buf); |
| 396 | if (--data->read_abort_count == 0) |
| 397 | test_abort(channel, block); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 398 | } |
Theodore Ts'o | c7015e4 | 2008-05-24 19:17:01 -0400 | [diff] [blame] | 399 | return retval; |
| 400 | } |
| 401 | |
| 402 | static errcode_t test_write_blk64(io_channel channel, unsigned long long block, |
| 403 | int count, const void *buf) |
| 404 | { |
| 405 | struct test_private_data *data; |
| 406 | errcode_t retval = 0; |
| 407 | |
| 408 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 409 | data = (struct test_private_data *) channel->private_data; |
| 410 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 411 | |
| 412 | if (data->real) |
| 413 | retval = io_channel_write_blk64(data->real, block, count, buf); |
| 414 | if (data->write_blk64) |
| 415 | data->write_blk64(block, count, retval); |
| 416 | if (data->flags & TEST_FLAG_WRITE) |
| 417 | fprintf(data->outfile, |
| 418 | "Test_io: write_blk64(%llu, %d) returned %s\n", |
| 419 | block, count, retval ? error_message(retval) : "OK"); |
| 420 | if (data->block && data->block == block) { |
| 421 | if (data->flags & TEST_FLAG_DUMP) |
| 422 | test_dump_block(channel, data, block, buf); |
| 423 | if (--data->write_abort_count == 0) |
| 424 | test_abort(channel, block); |
| 425 | } |
| 426 | return retval; |
| 427 | } |
| 428 | |
Theodore Ts'o | c180ac8 | 2000-10-26 20:24:43 +0000 | [diff] [blame] | 429 | static errcode_t test_write_byte(io_channel channel, unsigned long offset, |
| 430 | int count, const void *buf) |
| 431 | { |
| 432 | struct test_private_data *data; |
| 433 | errcode_t retval = 0; |
| 434 | |
| 435 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 436 | data = (struct test_private_data *) channel->private_data; |
| 437 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 438 | |
| 439 | if (data->real && data->real->manager->write_byte) |
| 440 | retval = io_channel_write_byte(data->real, offset, count, buf); |
| 441 | if (data->write_byte) |
| 442 | data->write_byte(offset, count, retval); |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 443 | if (data->flags & TEST_FLAG_WRITE) |
| 444 | fprintf(data->outfile, |
| 445 | "Test_io: write_byte(%lu, %d) returned %s\n", |
| 446 | offset, count, retval ? error_message(retval) : "OK"); |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 447 | return retval; |
| 448 | } |
| 449 | |
| 450 | /* |
| 451 | * Flush data buffers to disk. |
| 452 | */ |
| 453 | static errcode_t test_flush(io_channel channel) |
| 454 | { |
| 455 | struct test_private_data *data; |
Theodore Ts'o | 9abd2ce | 1998-02-16 22:00:37 +0000 | [diff] [blame] | 456 | errcode_t retval = 0; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 457 | |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 458 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 459 | data = (struct test_private_data *) channel->private_data; |
| 460 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 461 | |
| 462 | if (data->real) |
Theodore Ts'o | 9abd2ce | 1998-02-16 22:00:37 +0000 | [diff] [blame] | 463 | retval = io_channel_flush(data->real); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 464 | |
Theodore Ts'o | 2a29f13 | 2003-05-05 12:08:47 -0400 | [diff] [blame] | 465 | if (data->flags & TEST_FLAG_FLUSH) |
| 466 | fprintf(data->outfile, "Test_io: flush() returned %s\n", |
| 467 | retval ? error_message(retval) : "OK"); |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 468 | |
Theodore Ts'o | 9abd2ce | 1998-02-16 22:00:37 +0000 | [diff] [blame] | 469 | return retval; |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 470 | } |
| 471 | |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 472 | static errcode_t test_set_option(io_channel channel, const char *option, |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 473 | const char *arg) |
| 474 | { |
| 475 | struct test_private_data *data; |
| 476 | errcode_t retval = 0; |
| 477 | |
| 478 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 479 | data = (struct test_private_data *) channel->private_data; |
| 480 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 481 | |
| 482 | |
| 483 | if (data->flags & TEST_FLAG_SET_OPTION) |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 484 | fprintf(data->outfile, "Test_io: set_option(%s, %s) ", |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 485 | option, arg); |
| 486 | if (data->real && data->real->manager->set_option) { |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 487 | retval = (data->real->manager->set_option)(data->real, |
Theodore Ts'o | 2e8ca9a | 2004-11-30 14:07:11 -0500 | [diff] [blame] | 488 | option, arg); |
| 489 | if (data->flags & TEST_FLAG_SET_OPTION) |
| 490 | fprintf(data->outfile, "returned %s\n", |
| 491 | retval ? error_message(retval) : "OK"); |
| 492 | } else { |
| 493 | if (data->flags & TEST_FLAG_SET_OPTION) |
| 494 | fprintf(data->outfile, "not implemented\n"); |
| 495 | } |
| 496 | return retval; |
| 497 | } |
Theodore Ts'o | 6d96b00 | 2007-08-03 20:07:09 -0400 | [diff] [blame] | 498 | |
| 499 | static errcode_t test_get_stats(io_channel channel, io_stats *stats) |
| 500 | { |
| 501 | struct test_private_data *data; |
| 502 | errcode_t retval = 0; |
| 503 | |
| 504 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 505 | data = (struct test_private_data *) channel->private_data; |
| 506 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 507 | |
| 508 | if (data->real && data->real->manager->get_stats) { |
| 509 | retval = (data->real->manager->get_stats)(data->real, stats); |
| 510 | } |
| 511 | return retval; |
| 512 | } |
Lukas Czerner | e90a59e | 2010-11-18 03:38:36 +0000 | [diff] [blame] | 513 | |
| 514 | static errcode_t test_discard(io_channel channel, unsigned long long block, |
| 515 | unsigned long long count) |
| 516 | { |
| 517 | struct test_private_data *data; |
| 518 | errcode_t retval = 0; |
| 519 | |
| 520 | EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); |
| 521 | data = (struct test_private_data *) channel->private_data; |
| 522 | EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); |
| 523 | |
Lukas Czerner | efa1a35 | 2010-11-18 03:38:38 +0000 | [diff] [blame] | 524 | if (data->real) |
| 525 | retval = io_channel_discard(data->real, block, count); |
Lukas Czerner | e90a59e | 2010-11-18 03:38:36 +0000 | [diff] [blame] | 526 | if (data->flags & TEST_FLAG_DISCARD) |
| 527 | fprintf(data->outfile, |
| 528 | "Test_io: discard(%llu, %llu) returned %s\n", |
| 529 | block, count, retval ? error_message(retval) : "OK"); |
| 530 | return retval; |
| 531 | } |