| 1 | /* |
| 2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU Lesser General Public License as published by |
| 6 | the Free Software Foundation; either version 2.1 of the License, or |
| 7 | (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public License |
| 15 | along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | /* |
| 18 | * This is the highlevel interface to access NFS resources using a posix-like interface |
| 19 | */ |
| 20 | #include <stdint.h> |
| 21 | |
| 22 | struct nfs_context; |
| 23 | struct rpc_context; |
| 24 | |
| 25 | /* |
| 26 | * Used for interfacing the async version of the api into an external eventsystem |
| 27 | */ |
| 28 | int nfs_get_fd(struct nfs_context *nfs); |
| 29 | int nfs_which_events(struct nfs_context *nfs); |
| 30 | int nfs_service(struct nfs_context *nfs, int revents); |
| 31 | |
| 32 | /* |
| 33 | * Used if you need different credentials than the default for the current user. |
| 34 | */ |
| 35 | struct AUTH; |
| 36 | void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth); |
| 37 | |
| 38 | |
| 39 | /* |
| 40 | * When an operation failed, this function can extract a detailed error string. |
| 41 | */ |
| 42 | char *nfs_get_error(struct nfs_context *nfs); |
| 43 | |
| 44 | |
| 45 | /* |
| 46 | * Callback for all ASYNC nfs functions |
| 47 | */ |
| 48 | typedef void (*nfs_cb)(int err, struct nfs_context *nfs, void *data, void *private_data); |
| 49 | |
| 50 | /* |
| 51 | * Callback for all ASYNC rpc functions |
| 52 | */ |
| 53 | typedef void (*rpc_cb)(struct rpc_context *rpc, int status, void *data, void *private_data); |
| 54 | |
| 55 | |
| 56 | |
| 57 | /* |
| 58 | * NFS CONTEXT. |
| 59 | */ |
| 60 | /* |
| 61 | * Create an NFS c, the context. |
| 62 | * Function returns |
| 63 | * NULL : Failed to create a context. |
| 64 | * *nfs : A pointer to an nfs context. |
| 65 | */ |
| 66 | struct nfs_context *nfs_init_context(void); |
| 67 | /* |
| 68 | * Destroy an nfs context. |
| 69 | */ |
| 70 | void nfs_destroy_context(struct nfs_context *nfs); |
| 71 | |
| 72 | |
| 73 | struct nfsfh; |
| 74 | |
| 75 | /* |
| 76 | * Get the maximum supported READ3 size by the server |
| 77 | */ |
| 78 | size_t nfs_get_readmax(struct nfs_context *nfs); |
| 79 | |
| 80 | /* |
| 81 | * Get the maximum supported WRITE3 size by the server |
| 82 | */ |
| 83 | size_t nfs_get_writemax(struct nfs_context *nfs); |
| 84 | |
| 85 | |
| 86 | /* |
| 87 | * MOUNT THE EXPORT |
| 88 | */ |
| 89 | /* |
| 90 | * Async nfs mount. |
| 91 | * Function returns |
| 92 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 93 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 94 | * |
| 95 | * When the callback is invoked, status indicates the result: |
| 96 | * 0 : Success. |
| 97 | * data is NULL |
| 98 | * -errno : An error occured. |
| 99 | * data is the error string. |
| 100 | */ |
| 101 | int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *exportname, nfs_cb cb, void *private_data); |
| 102 | /* |
| 103 | * Sync nfs mount. |
| 104 | * Function returns |
| 105 | * 0 : The operation was successfull. |
| 106 | * -errno : The command failed. |
| 107 | */ |
| 108 | int nfs_mount(struct nfs_context *nfs, const char *server, const char *exportname); |
| 109 | |
| 110 | |
| 111 | |
| 112 | |
| 113 | /* |
| 114 | * STAT() |
| 115 | */ |
| 116 | /* |
| 117 | * Async stat(<filename>) |
| 118 | * Function returns |
| 119 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 120 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 121 | * |
| 122 | * When the callback is invoked, status indicates the result: |
| 123 | * 0 : Success. |
| 124 | * data is struct stat * |
| 125 | * -errno : An error occured. |
| 126 | * data is the error string. |
| 127 | */ |
| 128 | struct stat; |
| 129 | int nfs_stat_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 130 | /* |
| 131 | * Sync stat(<filename>) |
| 132 | * Function returns |
| 133 | * 0 : The operation was successfull. |
| 134 | * -errno : The command failed. |
| 135 | */ |
| 136 | int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st); |
| 137 | |
| 138 | |
| 139 | /* |
| 140 | * FSTAT() |
| 141 | */ |
| 142 | /* |
| 143 | * Async fstat(nfsfh *) |
| 144 | * Function returns |
| 145 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 146 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 147 | * |
| 148 | * When the callback is invoked, status indicates the result: |
| 149 | * 0 : Success. |
| 150 | * data is struct stat * |
| 151 | * -errno : An error occured. |
| 152 | * data is the error string. |
| 153 | */ |
| 154 | int nfs_fstat_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data); |
| 155 | /* |
| 156 | * Sync fstat(nfsfh *) |
| 157 | * Function returns |
| 158 | * 0 : The operation was successfull. |
| 159 | * -errno : The command failed. |
| 160 | */ |
| 161 | int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st); |
| 162 | |
| 163 | |
| 164 | |
| 165 | /* |
| 166 | * OPEN() |
| 167 | */ |
| 168 | /* |
| 169 | * Async open(<filename>) |
| 170 | * |
| 171 | * mode is a combination of the flags : O_RDOLNY, O_WRONLY, O_RDWR , O_SYNC |
| 172 | * |
| 173 | * Function returns |
| 174 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 175 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 176 | * |
| 177 | * When the callback is invoked, status indicates the result: |
| 178 | * 0 : Success. |
| 179 | * data is a struct *nfsfh; |
| 180 | * The nfsfh is close using nfs_close(). |
| 181 | * -errno : An error occured. |
| 182 | * data is the error string. |
| 183 | */ |
| 184 | int nfs_open_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data); |
| 185 | /* |
| 186 | * Sync stat(<filename>) |
| 187 | * Function returns |
| 188 | * 0 : The operation was successfull. *nfsfh is filled in. |
| 189 | * -errno : The command failed. |
| 190 | */ |
| 191 | int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh); |
| 192 | |
| 193 | |
| 194 | |
| 195 | |
| 196 | /* |
| 197 | * CLOSE |
| 198 | */ |
| 199 | /* |
| 200 | * Async close(nfsfh) |
| 201 | * |
| 202 | * Function returns |
| 203 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 204 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 205 | * |
| 206 | * When the callback is invoked, status indicates the result: |
| 207 | * 0 : Success. |
| 208 | * data is NULL. |
| 209 | * -errno : An error occured. |
| 210 | * data is the error string. |
| 211 | */ |
| 212 | int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data); |
| 213 | /* |
| 214 | * Sync close(nfsfh) |
| 215 | * Function returns |
| 216 | * 0 : The operation was successfull. |
| 217 | * -errno : The command failed. |
| 218 | */ |
| 219 | int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh); |
| 220 | |
| 221 | |
| 222 | /* |
| 223 | * PREAD() |
| 224 | */ |
| 225 | /* |
| 226 | * Async pread() |
| 227 | * |
| 228 | * Function returns |
| 229 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 230 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 231 | * |
| 232 | * When the callback is invoked, status indicates the result: |
| 233 | * >=0 : Success. |
| 234 | * status is numer of bytes read. |
| 235 | * data is a pointer to the returned data. |
| 236 | * -errno : An error occured. |
| 237 | * data is the error string. |
| 238 | */ |
| 239 | int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data); |
| 240 | /* |
| 241 | * Sync pread() |
| 242 | * Function returns |
| 243 | * >=0 : numer of bytes read. |
| 244 | * -errno : An error occured. |
| 245 | */ |
| 246 | int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf); |
| 247 | |
| 248 | |
| 249 | |
| 250 | /* |
| 251 | * READ() |
| 252 | */ |
| 253 | /* |
| 254 | * Async read() |
| 255 | * |
| 256 | * Function returns |
| 257 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 258 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 259 | * |
| 260 | * When the callback is invoked, status indicates the result: |
| 261 | * >=0 : Success. |
| 262 | * status is numer of bytes read. |
| 263 | * data is a pointer to the returned data. |
| 264 | * -errno : An error occured. |
| 265 | * data is the error string. |
| 266 | */ |
| 267 | int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data); |
| 268 | /* |
| 269 | * Sync read() |
| 270 | * Function returns |
| 271 | * >=0 : numer of bytes read. |
| 272 | * -errno : An error occured. |
| 273 | */ |
| 274 | int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf); |
| 275 | |
| 276 | |
| 277 | |
| 278 | |
| 279 | /* |
| 280 | * PWRITE() |
| 281 | */ |
| 282 | /* |
| 283 | * Async pwrite() |
| 284 | * |
| 285 | * Function returns |
| 286 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 287 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 288 | * |
| 289 | * When the callback is invoked, status indicates the result: |
| 290 | * >=0 : Success. |
| 291 | * status is numer of bytes written. |
| 292 | * -errno : An error occured. |
| 293 | * data is the error string. |
| 294 | */ |
| 295 | int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data); |
| 296 | /* |
| 297 | * Sync pwrite() |
| 298 | * Function returns |
| 299 | * >=0 : numer of bytes written. |
| 300 | * -errno : An error occured. |
| 301 | */ |
| 302 | int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf); |
| 303 | |
| 304 | |
| 305 | /* |
| 306 | * WRITE() |
| 307 | */ |
| 308 | /* |
| 309 | * Async write() |
| 310 | * |
| 311 | * Function returns |
| 312 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 313 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 314 | * |
| 315 | * When the callback is invoked, status indicates the result: |
| 316 | * >=0 : Success. |
| 317 | * status is numer of bytes written. |
| 318 | * -errno : An error occured. |
| 319 | * data is the error string. |
| 320 | */ |
| 321 | int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data); |
| 322 | /* |
| 323 | * Sync write() |
| 324 | * Function returns |
| 325 | * >=0 : numer of bytes written. |
| 326 | * -errno : An error occured. |
| 327 | */ |
| 328 | int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf); |
| 329 | |
| 330 | |
| 331 | /* |
| 332 | * LSEEK() |
| 333 | */ |
| 334 | /* |
| 335 | * Async lseek() |
| 336 | * |
| 337 | * Function returns |
| 338 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 339 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 340 | * |
| 341 | * When the callback is invoked, status indicates the result: |
| 342 | * >=0 : Success. |
| 343 | * data is off_t * for the current position. |
| 344 | * -errno : An error occured. |
| 345 | * data is the error string. |
| 346 | */ |
| 347 | int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data); |
| 348 | /* |
| 349 | * Sync lseek() |
| 350 | * Function returns |
| 351 | * >=0 : numer of bytes read. |
| 352 | * -errno : An error occured. |
| 353 | */ |
| 354 | int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, off_t *current_offset); |
| 355 | |
| 356 | |
| 357 | /* |
| 358 | * FSYNC() |
| 359 | */ |
| 360 | /* |
| 361 | * Async fsync() |
| 362 | * |
| 363 | * Function returns |
| 364 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 365 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 366 | * |
| 367 | * When the callback is invoked, status indicates the result: |
| 368 | * 0 : Success. |
| 369 | * -errno : An error occured. |
| 370 | * data is the error string. |
| 371 | */ |
| 372 | int nfs_fsync_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data); |
| 373 | /* |
| 374 | * Sync fsync() |
| 375 | * Function returns |
| 376 | * 0 : Success |
| 377 | * -errno : An error occured. |
| 378 | */ |
| 379 | int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh); |
| 380 | |
| 381 | |
| 382 | |
| 383 | /* |
| 384 | * TRUNCATE() |
| 385 | */ |
| 386 | /* |
| 387 | * Async truncate() |
| 388 | * |
| 389 | * Function returns |
| 390 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 391 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 392 | * |
| 393 | * When the callback is invoked, status indicates the result: |
| 394 | * 0 : Success. |
| 395 | * -errno : An error occured. |
| 396 | * data is the error string. |
| 397 | */ |
| 398 | int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data); |
| 399 | /* |
| 400 | * Sync truncate() |
| 401 | * Function returns |
| 402 | * 0 : Success |
| 403 | * -errno : An error occured. |
| 404 | */ |
| 405 | int nfs_truncate(struct nfs_context *nfs, const char *path, off_t length); |
| 406 | |
| 407 | |
| 408 | |
| 409 | /* |
| 410 | * FTRUNCATE() |
| 411 | */ |
| 412 | /* |
| 413 | * Async ftruncate() |
| 414 | * |
| 415 | * Function returns |
| 416 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 417 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 418 | * |
| 419 | * When the callback is invoked, status indicates the result: |
| 420 | * 0 : Success. |
| 421 | * -errno : An error occured. |
| 422 | * data is the error string. |
| 423 | */ |
| 424 | int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data); |
| 425 | /* |
| 426 | * Sync ftruncate() |
| 427 | * Function returns |
| 428 | * 0 : Success |
| 429 | * -errno : An error occured. |
| 430 | */ |
| 431 | int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length); |
| 432 | |
| 433 | |
| 434 | |
| 435 | |
| 436 | |
| 437 | |
| 438 | /* |
| 439 | * MKDIR() |
| 440 | */ |
| 441 | /* |
| 442 | * Async mkdir() |
| 443 | * |
| 444 | * Function returns |
| 445 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 446 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 447 | * |
| 448 | * When the callback is invoked, status indicates the result: |
| 449 | * 0 : Success. |
| 450 | * -errno : An error occured. |
| 451 | * data is the error string. |
| 452 | */ |
| 453 | int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 454 | /* |
| 455 | * Sync mkdir() |
| 456 | * Function returns |
| 457 | * 0 : Success |
| 458 | * -errno : An error occured. |
| 459 | */ |
| 460 | int nfs_mkdir(struct nfs_context *nfs, const char *path); |
| 461 | |
| 462 | |
| 463 | |
| 464 | /* |
| 465 | * RMDIR() |
| 466 | */ |
| 467 | /* |
| 468 | * Async rmdir() |
| 469 | * |
| 470 | * Function returns |
| 471 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 472 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 473 | * |
| 474 | * When the callback is invoked, status indicates the result: |
| 475 | * 0 : Success. |
| 476 | * -errno : An error occured. |
| 477 | * data is the error string. |
| 478 | */ |
| 479 | int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 480 | /* |
| 481 | * Sync rmdir() |
| 482 | * Function returns |
| 483 | * 0 : Success |
| 484 | * -errno : An error occured. |
| 485 | */ |
| 486 | int nfs_rmdir(struct nfs_context *nfs, const char *path); |
| 487 | |
| 488 | |
| 489 | |
| 490 | |
| 491 | /* |
| 492 | * CREAT() |
| 493 | */ |
| 494 | /* |
| 495 | * Async creat() |
| 496 | * |
| 497 | * Function returns |
| 498 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 499 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 500 | * |
| 501 | * When the callback is invoked, status indicates the result: |
| 502 | * 0 : Success. |
| 503 | * data is a struct *nfsfh; |
| 504 | * -errno : An error occured. |
| 505 | * data is the error string. |
| 506 | */ |
| 507 | int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data); |
| 508 | /* |
| 509 | * Sync creat() |
| 510 | * Function returns |
| 511 | * 0 : Success |
| 512 | * -errno : An error occured. |
| 513 | */ |
| 514 | int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh); |
| 515 | |
| 516 | |
| 517 | |
| 518 | |
| 519 | |
| 520 | /* |
| 521 | * UNLINK() |
| 522 | */ |
| 523 | /* |
| 524 | * Async unlink() |
| 525 | * |
| 526 | * Function returns |
| 527 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 528 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 529 | * |
| 530 | * When the callback is invoked, status indicates the result: |
| 531 | * 0 : Success. |
| 532 | * data is NULL |
| 533 | * -errno : An error occured. |
| 534 | * data is the error string. |
| 535 | */ |
| 536 | int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 537 | /* |
| 538 | * Sync unlink() |
| 539 | * Function returns |
| 540 | * 0 : Success |
| 541 | * -errno : An error occured. |
| 542 | */ |
| 543 | int nfs_unlink(struct nfs_context *nfs, const char *path); |
| 544 | |
| 545 | |
| 546 | |
| 547 | |
| 548 | /* |
| 549 | * OPENDIR() |
| 550 | */ |
| 551 | struct nfsdir; |
| 552 | /* |
| 553 | * Async opendir() |
| 554 | * |
| 555 | * Function returns |
| 556 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 557 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 558 | * |
| 559 | * When struct nfsdir * is returned, this resource is closed/freed by calling nfs_closedir() |
| 560 | * |
| 561 | * When the callback is invoked, status indicates the result: |
| 562 | * 0 : Success. |
| 563 | * data is struct nfsdir * |
| 564 | * -errno : An error occured. |
| 565 | * data is the error string. |
| 566 | */ |
| 567 | int nfs_opendir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 568 | /* |
| 569 | * Sync opendir() |
| 570 | * Function returns |
| 571 | * 0 : Success |
| 572 | * -errno : An error occured. |
| 573 | */ |
| 574 | int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir); |
| 575 | |
| 576 | |
| 577 | |
| 578 | /* |
| 579 | * READDIR() |
| 580 | */ |
| 581 | struct nfsdirent { |
| 582 | struct nfsdirent *next; |
| 583 | char *name; |
| 584 | uint64_t inode; |
| 585 | }; |
| 586 | /* |
| 587 | * nfs_readdir() never blocks, so no special sync/async versions are available |
| 588 | */ |
| 589 | struct nfsdirent *nfs_readdir(struct nfs_context *nfs, struct nfsdir *nfsdir); |
| 590 | |
| 591 | |
| 592 | |
| 593 | /* |
| 594 | * READDIR() |
| 595 | */ |
| 596 | /* |
| 597 | * nfs_closedir() never blocks, so no special sync/async versions are available |
| 598 | */ |
| 599 | void nfs_closedir(struct nfs_context *nfs, struct nfsdir *nfsdir); |
| 600 | |
| 601 | |
| 602 | |
| 603 | /* |
| 604 | * STATVFS() |
| 605 | */ |
| 606 | /* |
| 607 | * Async statvfs(<dirname>) |
| 608 | * Function returns |
| 609 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 610 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 611 | * |
| 612 | * When the callback is invoked, status indicates the result: |
| 613 | * 0 : Success. |
| 614 | * data is struct statvfs * |
| 615 | * -errno : An error occured. |
| 616 | * data is the error string. |
| 617 | */ |
| 618 | struct statvfs; |
| 619 | int nfs_statvfs_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 620 | /* |
| 621 | * Sync statvfs(<dirname>) |
| 622 | * Function returns |
| 623 | * 0 : The operation was successfull. |
| 624 | * -errno : The command failed. |
| 625 | */ |
| 626 | int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs); |
| 627 | |
| 628 | |
| 629 | /* |
| 630 | * READLINK() |
| 631 | */ |
| 632 | /* |
| 633 | * Async readlink(<name>) |
| 634 | * Function returns |
| 635 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 636 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 637 | * |
| 638 | * When the callback is invoked, status indicates the result: |
| 639 | * 0 : Success. |
| 640 | * data is a char * |
| 641 | * data is only valid during the callback and is automatically freed when the callback returns. |
| 642 | * -errno : An error occured. |
| 643 | * data is the error string. |
| 644 | */ |
| 645 | struct statvfs; |
| 646 | int nfs_readlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data); |
| 647 | /* |
| 648 | * Sync readlink(<name>) |
| 649 | * Function returns |
| 650 | * 0 : The operation was successfull. |
| 651 | * -errno : The command failed. |
| 652 | */ |
| 653 | int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize); |
| 654 | |
| 655 | |
| 656 | |
| 657 | /* |
| 658 | * CHMOD() |
| 659 | */ |
| 660 | /* |
| 661 | * Async chmod(<name>) |
| 662 | * Function returns |
| 663 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 664 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 665 | * |
| 666 | * When the callback is invoked, status indicates the result: |
| 667 | * 0 : Success. |
| 668 | * data is NULL |
| 669 | * -errno : An error occured. |
| 670 | * data is the error string. |
| 671 | */ |
| 672 | int nfs_chmod_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data); |
| 673 | /* |
| 674 | * Sync chmod(<name>) |
| 675 | * Function returns |
| 676 | * 0 : The operation was successfull. |
| 677 | * -errno : The command failed. |
| 678 | */ |
| 679 | int nfs_chmod(struct nfs_context *nfs, const char *path, int mode); |
| 680 | |
| 681 | |
| 682 | |
| 683 | /* |
| 684 | * FCHMOD() |
| 685 | */ |
| 686 | /* |
| 687 | * Async fchmod(<handle>) |
| 688 | * Function returns |
| 689 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 690 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 691 | * |
| 692 | * When the callback is invoked, status indicates the result: |
| 693 | * 0 : Success. |
| 694 | * data is NULL |
| 695 | * -errno : An error occured. |
| 696 | * data is the error string. |
| 697 | */ |
| 698 | int nfs_fchmod_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode, nfs_cb cb, void *private_data); |
| 699 | /* |
| 700 | * Sync fchmod(<handle>) |
| 701 | * Function returns |
| 702 | * 0 : The operation was successfull. |
| 703 | * -errno : The command failed. |
| 704 | */ |
| 705 | int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode); |
| 706 | |
| 707 | |
| 708 | |
| 709 | /* |
| 710 | * CHOWN() |
| 711 | */ |
| 712 | /* |
| 713 | * Async chown(<name>) |
| 714 | * Function returns |
| 715 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 716 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 717 | * |
| 718 | * When the callback is invoked, status indicates the result: |
| 719 | * 0 : Success. |
| 720 | * data is NULL |
| 721 | * -errno : An error occured. |
| 722 | * data is the error string. |
| 723 | */ |
| 724 | int nfs_chown_async(struct nfs_context *nfs, const char *path, int uid, int gid, nfs_cb cb, void *private_data); |
| 725 | /* |
| 726 | * Sync chown(<name>) |
| 727 | * Function returns |
| 728 | * 0 : The operation was successfull. |
| 729 | * -errno : The command failed. |
| 730 | */ |
| 731 | int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid); |
| 732 | |
| 733 | |
| 734 | |
| 735 | /* |
| 736 | * FCHOWN() |
| 737 | */ |
| 738 | /* |
| 739 | * Async fchown(<handle>) |
| 740 | * Function returns |
| 741 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 742 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 743 | * |
| 744 | * When the callback is invoked, status indicates the result: |
| 745 | * 0 : Success. |
| 746 | * data is NULL |
| 747 | * -errno : An error occured. |
| 748 | * data is the error string. |
| 749 | */ |
| 750 | int nfs_fchown_async(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid, nfs_cb cb, void *private_data); |
| 751 | /* |
| 752 | * Sync fchown(<handle>) |
| 753 | * Function returns |
| 754 | * 0 : The operation was successfull. |
| 755 | * -errno : The command failed. |
| 756 | */ |
| 757 | int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid); |
| 758 | |
| 759 | |
| 760 | |
| 761 | |
| 762 | /* |
| 763 | * UTIMES() |
| 764 | */ |
| 765 | /* |
| 766 | * Async utimes(<path>) |
| 767 | * Function returns |
| 768 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 769 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 770 | * |
| 771 | * When the callback is invoked, status indicates the result: |
| 772 | * 0 : Success. |
| 773 | * data is NULL |
| 774 | * -errno : An error occured. |
| 775 | * data is the error string. |
| 776 | */ |
| 777 | int nfs_utimes_async(struct nfs_context *nfs, const char *path, struct timeval *times, nfs_cb cb, void *private_data); |
| 778 | /* |
| 779 | * Sync utimes(<path>) |
| 780 | * Function returns |
| 781 | * 0 : The operation was successfull. |
| 782 | * -errno : The command failed. |
| 783 | */ |
| 784 | int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times); |
| 785 | |
| 786 | |
| 787 | /* |
| 788 | * UTIME() |
| 789 | */ |
| 790 | /* |
| 791 | * Async utime(<path>) |
| 792 | * Function returns |
| 793 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 794 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 795 | * |
| 796 | * When the callback is invoked, status indicates the result: |
| 797 | * 0 : Success. |
| 798 | * data is NULL |
| 799 | * -errno : An error occured. |
| 800 | * data is the error string. |
| 801 | */ |
| 802 | struct utimbuf; |
| 803 | int nfs_utime_async(struct nfs_context *nfs, const char *path, struct utimbuf *times, nfs_cb cb, void *private_data); |
| 804 | /* |
| 805 | * Sync utime(<path>) |
| 806 | * Function returns |
| 807 | * 0 : The operation was successfull. |
| 808 | * -errno : The command failed. |
| 809 | */ |
| 810 | int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times); |
| 811 | |
| 812 | |
| 813 | |
| 814 | |
| 815 | /* |
| 816 | * ACCESS() |
| 817 | */ |
| 818 | /* |
| 819 | * Async access(<path>) |
| 820 | * Function returns |
| 821 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 822 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 823 | * |
| 824 | * When the callback is invoked, status indicates the result: |
| 825 | * 0 : Success. |
| 826 | * data is NULL |
| 827 | * -errno : An error occured. |
| 828 | * data is the error string. |
| 829 | */ |
| 830 | int nfs_access_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data); |
| 831 | /* |
| 832 | * Sync access(<path>) |
| 833 | * Function returns |
| 834 | * 0 : The operation was successfull. |
| 835 | * -errno : The command failed. |
| 836 | */ |
| 837 | int nfs_access(struct nfs_context *nfs, const char *path, int mode); |
| 838 | |
| 839 | |
| 840 | |
| 841 | |
| 842 | /* |
| 843 | * SYMLINK() |
| 844 | */ |
| 845 | /* |
| 846 | * Async symlink(<path>) |
| 847 | * Function returns |
| 848 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 849 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 850 | * |
| 851 | * When the callback is invoked, status indicates the result: |
| 852 | * 0 : Success. |
| 853 | * data is NULL |
| 854 | * -errno : An error occured. |
| 855 | * data is the error string. |
| 856 | */ |
| 857 | int nfs_symlink_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data); |
| 858 | /* |
| 859 | * Sync symlink(<path>) |
| 860 | * Function returns |
| 861 | * 0 : The operation was successfull. |
| 862 | * -errno : The command failed. |
| 863 | */ |
| 864 | int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath); |
| 865 | |
| 866 | |
| 867 | /* |
| 868 | * RENAME() |
| 869 | */ |
| 870 | /* |
| 871 | * Async rename(<oldpath>, <newpath>) |
| 872 | * Function returns |
| 873 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 874 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 875 | * |
| 876 | * When the callback is invoked, status indicates the result: |
| 877 | * 0 : Success. |
| 878 | * data is NULL |
| 879 | * -errno : An error occured. |
| 880 | * data is the error string. |
| 881 | */ |
| 882 | int nfs_rename_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data); |
| 883 | /* |
| 884 | * Sync rename(<oldpath>, <newpath>) |
| 885 | * Function returns |
| 886 | * 0 : The operation was successfull. |
| 887 | * -errno : The command failed. |
| 888 | */ |
| 889 | int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath); |
| 890 | |
| 891 | |
| 892 | |
| 893 | /* |
| 894 | * LINK() |
| 895 | */ |
| 896 | /* |
| 897 | * Async link(<oldpath>, <newpath>) |
| 898 | * Function returns |
| 899 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 900 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 901 | * |
| 902 | * When the callback is invoked, status indicates the result: |
| 903 | * 0 : Success. |
| 904 | * data is NULL |
| 905 | * -errno : An error occured. |
| 906 | * data is the error string. |
| 907 | */ |
| 908 | int nfs_link_async(struct nfs_context *nfs, const char *oldpath, const char *newpath, nfs_cb cb, void *private_data); |
| 909 | /* |
| 910 | * Sync link(<oldpath>, <newpath>) |
| 911 | * Function returns |
| 912 | * 0 : The operation was successfull. |
| 913 | * -errno : The command failed. |
| 914 | */ |
| 915 | int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath); |
| 916 | |
| 917 | |
| 918 | /* |
| 919 | * GETEXPORTS() |
| 920 | */ |
| 921 | /* |
| 922 | * Async getexports() |
| 923 | * NOTE: You must include 'libnfs-raw-mount.h' to get the definitions of the |
| 924 | * returned structures. |
| 925 | * |
| 926 | * This function will return the list of exports from an NFS server. |
| 927 | * |
| 928 | * Function returns |
| 929 | * 0 : The operation was initiated. Once the operation finishes, the callback will be invoked. |
| 930 | * <0 : An error occured when trying to set up the operation. The callback will not be invoked. |
| 931 | * |
| 932 | * When the callback is invoked, status indicates the result: |
| 933 | * 0 : Success. |
| 934 | * data is a pointer to an exports pointer: |
| 935 | * exports export = *(exports *)data; |
| 936 | * -errno : An error occured. |
| 937 | * data is the error string. |
| 938 | */ |
| 939 | int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data); |
| 940 | /* |
| 941 | * Sync getexports(<server>) |
| 942 | * Function returns |
| 943 | * NULL : something failed |
| 944 | * exports export : a linked list of exported directories |
| 945 | * |
| 946 | * returned data must be freed by calling mount_free_export_list(exportnode); |
| 947 | */ |
| 948 | struct exportnode *mount_getexports(const char *server); |
| 949 | |
| 950 | void mount_free_export_list(struct exportnode *exports); |
| 951 | |
| 952 | |
| 953 | //qqq replace later with lseek(cur, 0) |
| 954 | off_t nfs_get_current_offset(struct nfsfh *nfsfh); |
| 955 | |
| 956 | |
| 957 | |
| 958 | |
| 959 | |
| 960 | struct nfs_server_list { |
| 961 | struct nfs_server_list *next; |
| 962 | char *addr; |
| 963 | }; |
| 964 | |
| 965 | /* |
| 966 | * Sync find_local_servers(<server>) |
| 967 | * This function will probe all local networks for NFS server. This function will |
| 968 | * block for one second while awaiting for all nfs servers to respond. |
| 969 | * |
| 970 | * Function returns |
| 971 | * NULL : something failed |
| 972 | * |
| 973 | * struct nfs_server_list : a linked list of all discovered servers |
| 974 | * |
| 975 | * returned data must be freed by nfs_free_srvr_list(srv); |
| 976 | */ |
| 977 | struct nfs_server_list *nfs_find_local_servers(void); |
| 978 | void free_nfs_srvr_list(struct nfs_server_list *srv); |