2 * This is sample code generated by rpcgen.
3 * These are only templates and you can use them
4 * as a guideline for developing your own functions.
12 #define NFS_BLOCKSIZE 32768
13 #define NFS_MAXSIZE (1 << 20)
15 /* Check that a string is a valid file name. We require that it be valid
16 * UTF-8, that it not be empty, and that it not contain embedded forward
17 * slashes. Also checks that the length of the string is not more than the
18 * maximum allowed length. This function does allow the names "." and "..".
19 * Returns TRUE if the string is allowed as a filename. */
20 gboolean validate_filename(const char *filename)
22 if (filename == NULL || filename[0] == '\0')
24 if (strlen(filename) > 255)
26 if (!g_utf8_validate(filename, -1, NULL))
28 if (strchr(filename, '/') != NULL)
33 /* Arrange for a reference to an inode to be dropped when the RPC request
35 void schedule_inode_unref(RPCRequest *req, BlueSkyInode *inode)
37 struct cleanup_list *c = g_new(struct cleanup_list, 1);
38 c->func = (void (*)(void *))bluesky_inode_unref;
40 c->next = req->cleanup;
44 /* Look up a BlueSkyInode given an NFS filehandle. Returns NULL if the
45 * filehandle is invalid. */
46 BlueSkyInode *lookup_fh(RPCRequest *req, nfs_fh3 *fh)
48 BlueSkyInode *inode = NULL;
49 if (fh->data.data_len == 8) {
50 uint64_t inum = GUINT64_FROM_BE(*(uint64_t *)(fh->data.data_val));
51 inode = bluesky_get_inode(fs, inum);
53 schedule_inode_unref(req, inode);
58 int64_t decode_nfstime3(nfstime3 *time)
60 int64_t result = (int64_t)time->seconds * 1000000;
61 result += time->nseconds / 1000;
65 void set_attributes(BlueSkyInode *inode, sattr3 *attributes)
67 int64_t now = bluesky_get_current_time();
69 if (attributes->mode.set) {
70 inode->mode = attributes->mode.set_uint32_u.val;
73 if (attributes->uid.set) {
74 inode->uid = attributes->uid.set_uint32_u.val;
77 if (attributes->gid.set) {
78 inode->gid = attributes->gid.set_uint32_u.val;
81 if (attributes->size.set) {
82 if (inode->type == BLUESKY_REGULAR) {
83 bluesky_file_truncate(inode, attributes->size.set_uint64_u.val);
88 switch (attributes->atime.set) {
91 case SET_TO_SERVER_TIME:
94 case SET_TO_CLIENT_TIME:
95 inode->atime = decode_nfstime3(&attributes->atime.set_time_u.time);
99 switch (attributes->mtime.set) {
102 case SET_TO_SERVER_TIME:
105 case SET_TO_CLIENT_TIME:
106 inode->mtime = decode_nfstime3(&attributes->mtime.set_time_u.time);
110 bluesky_inode_update_ctime(inode, FALSE);
113 /* Copy inode attributes into NFS response. The BlueSkyInode should be locked
115 void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
117 result->type = inode->type;
118 result->mode = inode->mode;
119 result->nlink = inode->nlink;
120 result->uid = inode->uid;
121 result->gid = inode->gid;
122 result->size = inode->size;
124 result->rdev.major = 0;
125 result->rdev.minor = 0;
127 result->fileid = inode->inum;
128 result->atime.seconds = inode->atime / 1000000;
129 result->atime.nseconds = (inode->atime % 1000000) * 1000;
130 result->mtime.seconds = inode->mtime / 1000000;
131 result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
132 result->ctime.seconds = inode->ctime / 1000000;
133 result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
135 switch (inode->type) {
136 case BLUESKY_SYMLINK:
137 result->size = strlen(inode->symlink_contents);
144 void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
146 wcc->before.present = TRUE;
147 wcc->before.pre_op_attr_u.attributes.size = inode->size;
148 wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
149 wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
150 wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
151 wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
154 void nfsproc3_null_3_svc(void *argp, RPCRequest *req)
156 async_rpc_send_reply(req, NULL);
159 void nfsproc3_getattr_3_svc(nfs_fh3 *argp, RPCRequest *req)
162 memset(&result, 0, sizeof(result));
164 BlueSkyInode *inode = lookup_fh(req, argp);
166 result.status = NFS3_OK;
167 g_mutex_lock(inode->lock);
168 encode_fattr3(&result.getattr3res_u.attributes, inode);
169 g_mutex_unlock(inode->lock);
171 result.status = NFS3ERR_STALE;
174 async_rpc_send_reply(req, &result);
177 void nfsproc3_setattr_3_svc(setattr3args *argp, RPCRequest *req)
180 memset(&result, 0, sizeof(result));
182 result.wccstat3_u.wcc.before.present = FALSE;
183 result.wccstat3_u.wcc.after.present = FALSE;
184 BlueSkyInode *inode = lookup_fh(req, &argp->object);
186 result.status = NFS3ERR_STALE;
187 async_rpc_send_reply(req, &result);
191 g_mutex_lock(inode->lock);
192 encode_pre_wcc(&result.wccstat3_u.wcc, inode);
193 if (argp->guard.check) {
194 if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
195 result.status = NFS3ERR_NOT_SYNC;
196 result.wccstat3_u.wcc.after.present = TRUE;
197 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
198 g_mutex_unlock(inode->lock);
199 async_rpc_send_reply(req, &result);
204 set_attributes(inode, &argp->new_attributes);
206 result.wccstat3_u.wcc.after.present = TRUE;
207 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
209 result.status = NFS3_OK;
211 g_mutex_unlock(inode->lock);
212 async_rpc_send_reply(req, &result);
215 void nfsproc3_lookup_3_svc(diropargs3 *argp, RPCRequest *req)
218 memset(&result, 0, sizeof(result));
220 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
222 result.status = NFS3ERR_STALE;
223 result.lookup3res_u.resfail.present = FALSE;
224 async_rpc_send_reply(req, &result);
228 g_mutex_lock(dir->lock);
229 result.lookup3res_u.resfail.present = TRUE;
230 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
231 if (!validate_filename(argp->name)) {
232 if (strlen(argp->name) > 255)
233 result.status = NFS3ERR_NAMETOOLONG;
235 result.status = NFS3ERR_NOENT;
236 g_mutex_unlock(dir->lock);
237 async_rpc_send_reply(req, &result);
241 /* TODO: Special-case "." and "..". */
242 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
244 result.status = NFS3ERR_NOENT;
245 g_mutex_unlock(dir->lock);
246 async_rpc_send_reply(req, &result);
250 result.lookup3res_u.resok.dir_attributes.present = TRUE;
251 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
252 g_mutex_unlock(dir->lock);
254 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
256 result.status = NFS3ERR_NOENT;
257 async_rpc_send_reply(req, &result);
260 g_mutex_lock(inode->lock);
261 schedule_inode_unref(req, inode);
263 result.status = NFS3_OK;
264 result.lookup3res_u.resok.obj_attributes.present = TRUE;
265 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
268 fh_bytes = GUINT64_TO_BE(inum);
269 result.lookup3res_u.resok.object.data.data_len = 8;
270 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
272 g_mutex_unlock(inode->lock);
273 async_rpc_send_reply(req, &result);
276 void nfsproc3_access_3_svc(access3args *argp, RPCRequest *req)
279 memset(&result, 0, sizeof(result));
281 BlueSkyInode *inode = lookup_fh(req, &argp->object);
283 result.status = NFS3ERR_STALE;
284 result.access3res_u.resfail.present = FALSE;
285 async_rpc_send_reply(req, &result);
289 g_mutex_lock(inode->lock);
290 result.status = NFS3_OK;
291 result.access3res_u.resok.obj_attributes.present = TRUE;
292 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
293 result.access3res_u.resok.access = argp->access;
294 g_mutex_unlock(inode->lock);
296 async_rpc_send_reply(req, &result);
299 void nfsproc3_readlink_3_svc(nfs_fh3 *argp, RPCRequest *req)
302 memset(&result, 0, sizeof(result));
304 BlueSkyInode *inode = lookup_fh(req, argp);
306 g_mutex_lock(inode->lock);
307 if (inode->type == BLUESKY_SYMLINK) {
308 result.status = NFS3_OK;
309 result.readlink3res_u.resok.symlink_attributes.present = TRUE;
310 encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
311 result.readlink3res_u.resok.data = inode->symlink_contents;
313 result.status = NFS3ERR_INVAL;
314 result.readlink3res_u.resfail.present = TRUE;
315 encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
317 g_mutex_unlock(inode->lock);
319 result.status = NFS3ERR_STALE;
322 async_rpc_send_reply(req, &result);
325 void nfsproc3_read_3_svc(read3args *argp, RPCRequest *req)
328 memset(&result, 0, sizeof(result));
329 char buf[NFS_MAXSIZE];
331 bluesky_flushd_invoke_conditional(fs);
333 BlueSkyInode *inode = lookup_fh(req, &argp->file);
335 result.status = NFS3ERR_STALE;
336 result.read3res_u.resfail.present = FALSE;
337 async_rpc_send_reply(req, &result);
341 g_mutex_lock(inode->lock);
343 int count = argp->count;
344 if (argp->offset >= inode->size) {
346 result.read3res_u.resok.eof = TRUE;
348 count = MIN(count, NFS_MAXSIZE);
349 count = MIN(count, inode->size - argp->offset);
350 if (argp->offset + count == inode->size)
351 result.read3res_u.resok.eof = TRUE;
353 result.read3res_u.resok.eof = FALSE;
355 bluesky_file_read(inode, argp->offset, buf, count);
358 result.status = NFS3_OK;
359 result.read3res_u.resok.file_attributes.present = TRUE;
360 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
361 result.read3res_u.resok.count = count;
362 result.read3res_u.resok.data.data_val = buf;
363 result.read3res_u.resok.data.data_len = count;
365 g_mutex_unlock(inode->lock);
367 async_rpc_send_reply(req, &result);
370 void nfsproc3_write_3_svc(write3args *argp, RPCRequest *req)
373 memset(&result, 0, sizeof(result));
375 memset(&wcc, 0, sizeof(wcc));
377 bluesky_flushd_invoke_conditional(fs);
379 BlueSkyInode *inode = lookup_fh(req, &argp->file);
381 result.status = NFS3ERR_STALE;
382 result.write3res_u.resfail = wcc;
383 async_rpc_send_reply(req, &result);
388 /* FIXME: Hack to throttle writes when there is too much dirty data still
389 * to be written out. */
390 while (g_atomic_int_get(&fs->cache_dirty) > 4096
391 || g_atomic_int_get(&fs->cache_total) > 8192) {
392 g_print("Too many dirty pages (%d) or total pages (%d); throttling writes...\n",
393 g_atomic_int_get(&fs->cache_dirty),
394 g_atomic_int_get(&fs->cache_total));
395 struct timespec delay;
398 nanosleep(&delay, NULL);
402 g_mutex_lock(inode->lock);
404 encode_pre_wcc(&wcc, inode);
405 if (inode->type != BLUESKY_REGULAR) {
406 result.status = NFS3ERR_INVAL;
407 result.write3res_u.resfail = wcc;
408 g_mutex_unlock(inode->lock);
409 async_rpc_send_reply(req, &result);
413 uint64_t lastbyte = argp->offset + argp->count;
414 if (lastbyte > inode->size) {
415 bluesky_file_truncate(inode, lastbyte);
418 if (argp->data.data_len < argp->count) {
421 bluesky_file_write(inode, argp->offset,
422 argp->data.data_val, argp->count);
425 wcc.after.present = TRUE;
426 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
427 result.write3res_u.resok.file_wcc = wcc;
428 result.write3res_u.resok.count = argp->count;
429 result.write3res_u.resok.committed = FILE_SYNC;
431 g_mutex_unlock(inode->lock);
433 async_rpc_send_reply(req, &result);
436 void nfsproc3_create_3_svc(create3args *argp, RPCRequest *req)
439 memset(&result, 0, sizeof(result));
441 memset(&wcc, 0, sizeof(wcc));
443 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
445 result.status = NFS3ERR_STALE;
446 result.diropres3_u.resfail = wcc;
447 async_rpc_send_reply(req, &result);
451 g_mutex_lock(dir->lock);
453 encode_pre_wcc(&wcc, dir);
454 if (dir->type != BLUESKY_DIRECTORY) {
455 result.status = NFS3ERR_NOTDIR;
456 result.diropres3_u.resfail = wcc;
457 g_mutex_unlock(dir->lock);
458 async_rpc_send_reply(req, &result);
462 if (!validate_filename(argp->where.name)
463 || strcmp(argp->where.name, ".") == 0
464 || strcmp(argp->where.name, "..") == 0)
466 result.status = NFS3ERR_EXIST;
467 result.diropres3_u.resfail = wcc;
468 g_mutex_unlock(dir->lock);
469 async_rpc_send_reply(req, &result);
474 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
477 int64_t time = bluesky_get_current_time();
482 g_mutex_lock(file->lock);
483 bluesky_insert_inode(fs, file);
484 bluesky_directory_insert(dir, argp->where.name, file->inum);
486 bluesky_inode_update_ctime(dir, TRUE);
488 wcc.after.present = TRUE;
489 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
490 result.diropres3_u.resok.obj_attributes.present = TRUE;
491 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
492 result.diropres3_u.resok.dir_wcc = wcc;
495 fh_bytes = GUINT64_TO_BE(file->inum);
496 result.diropres3_u.resok.obj.present = TRUE;
497 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
498 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
500 g_mutex_unlock(file->lock);
501 g_mutex_unlock(dir->lock);
503 async_rpc_send_reply(req, &result);
506 void nfsproc3_mkdir_3_svc(mkdir3args *argp, RPCRequest *req)
509 memset(&result, 0, sizeof(result));
511 memset(&wcc, 0, sizeof(wcc));
513 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
515 result.status = NFS3ERR_STALE;
516 result.diropres3_u.resfail = wcc;
517 async_rpc_send_reply(req, &result);
521 g_mutex_lock(dir->lock);
523 encode_pre_wcc(&wcc, dir);
524 if (dir->type != BLUESKY_DIRECTORY) {
525 result.status = NFS3ERR_NOTDIR;
526 result.diropres3_u.resfail = wcc;
527 g_mutex_unlock(dir->lock);
528 async_rpc_send_reply(req, &result);
532 if (!validate_filename(argp->where.name)
533 || strcmp(argp->where.name, ".") == 0
534 || strcmp(argp->where.name, "..") == 0)
536 result.status = NFS3ERR_EXIST;
537 result.diropres3_u.resfail = wcc;
538 g_mutex_unlock(dir->lock);
539 async_rpc_send_reply(req, &result);
544 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
547 int64_t time = bluesky_get_current_time();
552 g_mutex_lock(file->lock);
553 bluesky_insert_inode(fs, file);
554 bluesky_directory_insert(dir, argp->where.name, file->inum);
555 set_attributes(file, &argp->attributes);
557 bluesky_inode_update_ctime(dir, TRUE);
559 wcc.after.present = TRUE;
560 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
561 result.diropres3_u.resok.obj_attributes.present = TRUE;
562 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
563 result.diropres3_u.resok.dir_wcc = wcc;
566 fh_bytes = GUINT64_TO_BE(file->inum);
567 result.diropres3_u.resok.obj.present = TRUE;
568 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
569 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
571 g_mutex_unlock(file->lock);
572 g_mutex_unlock(dir->lock);
573 async_rpc_send_reply(req, &result);
576 void nfsproc3_symlink_3_svc(symlink3args *argp, RPCRequest *req)
579 memset(&result, 0, sizeof(result));
581 memset(&wcc, 0, sizeof(wcc));
583 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
585 result.status = NFS3ERR_STALE;
586 result.diropres3_u.resfail = wcc;
587 async_rpc_send_reply(req, &result);
590 g_mutex_lock(dir->lock);
592 encode_pre_wcc(&wcc, dir);
593 if (dir->type != BLUESKY_DIRECTORY) {
594 result.status = NFS3ERR_NOTDIR;
595 result.diropres3_u.resfail = wcc;
596 g_mutex_unlock(dir->lock);
597 async_rpc_send_reply(req, &result);
601 if (!validate_filename(argp->where.name)
602 || strcmp(argp->where.name, ".") == 0
603 || strcmp(argp->where.name, "..") == 0)
605 result.status = NFS3ERR_EXIST;
606 result.diropres3_u.resfail = wcc;
607 g_mutex_unlock(dir->lock);
608 async_rpc_send_reply(req, &result);
613 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
616 int64_t time = bluesky_get_current_time();
621 file->symlink_contents = g_strdup(argp->symlink.symlink_data);
622 g_mutex_lock(file->lock);
623 bluesky_insert_inode(fs, file);
624 bluesky_directory_insert(dir, argp->where.name, file->inum);
626 bluesky_inode_update_ctime(dir, TRUE);
628 wcc.after.present = TRUE;
629 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
630 result.diropres3_u.resok.obj_attributes.present = TRUE;
631 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
632 result.diropres3_u.resok.dir_wcc = wcc;
635 fh_bytes = GUINT64_TO_BE(file->inum);
636 result.diropres3_u.resok.obj.present = TRUE;
637 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
638 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
640 g_mutex_unlock(file->lock);
641 g_mutex_unlock(dir->lock);
642 async_rpc_send_reply(req, &result);
645 void nfsproc3_mknod_3_svc(mknod3args *argp, RPCRequest *req)
648 memset(&result, 0, sizeof(result));
650 result.status = NFS3ERR_NOTSUPP;
652 async_rpc_send_reply(req, &result);
655 void nfsproc3_remove_3_svc(diropargs3 *argp, RPCRequest *req)
658 memset(&result, 0, sizeof(result));
660 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
662 result.status = NFS3ERR_STALE;
663 async_rpc_send_reply(req, &result);
667 g_mutex_lock(dir->lock);
669 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
671 if (!validate_filename(argp->name)
672 || strcmp(argp->name, ".") == 0
673 || strcmp(argp->name, "..") == 0)
675 result.status = NFS3ERR_NOENT;
676 g_mutex_unlock(dir->lock);
677 async_rpc_send_reply(req, &result);
681 /* TODO: Decrement link count, deallocate inode if needed. */
683 bluesky_directory_remove(dir, argp->name);
685 result.status = NFS3_OK;
686 result.wccstat3_u.wcc.after.present = TRUE;
687 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
690 g_mutex_unlock(dir->lock);
691 async_rpc_send_reply(req, &result);
694 void nfsproc3_rmdir_3_svc(diropargs3 *argp, RPCRequest *req)
697 memset(&result, 0, sizeof(result));
699 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
701 result.status = NFS3ERR_STALE;
702 async_rpc_send_reply(req, &result);
706 g_mutex_lock(dir->lock);
708 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
710 if (!validate_filename(argp->name)
711 || strcmp(argp->name, ".") == 0
712 || strcmp(argp->name, "..") == 0)
714 result.status = NFS3ERR_NOENT;
715 g_mutex_unlock(dir->lock);
716 async_rpc_send_reply(req, &result);
720 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
721 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
723 result.status = NFS3ERR_NOENT;
724 g_mutex_unlock(dir->lock);
725 async_rpc_send_reply(req, &result);
728 g_mutex_lock(inode->lock);
729 schedule_inode_unref(req, inode);
731 if (inode->type != BLUESKY_DIRECTORY) {
732 result.status = NFS3ERR_NOTDIR;
733 g_mutex_unlock(inode->lock);
734 g_mutex_unlock(dir->lock);
735 async_rpc_send_reply(req, &result);
738 if (g_sequence_get_length(inode->dirents) > 0) {
739 printf("Directory not empty: %d entries\n",
740 g_sequence_get_length(inode->dirents));
741 result.status = NFS3ERR_NOTEMPTY;
742 g_mutex_unlock(inode->lock);
743 g_mutex_unlock(dir->lock);
744 async_rpc_send_reply(req, &result);
748 /* TODO: Decrement link count, deallocate inode if needed. */
750 bluesky_directory_remove(dir, argp->name);
752 result.status = NFS3_OK;
753 result.wccstat3_u.wcc.after.present = TRUE;
754 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
757 g_mutex_unlock(inode->lock);
758 g_mutex_unlock(dir->lock);
759 async_rpc_send_reply(req, &result);
762 void nfsproc3_rename_3_svc(rename3args *argp, RPCRequest *req)
765 memset(&result, 0, sizeof(result));
766 wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
767 wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
769 BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
771 result.status = NFS3ERR_STALE;
772 async_rpc_send_reply(req, &result);
776 BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
778 result.status = NFS3ERR_STALE;
779 async_rpc_send_reply(req, &result);
783 if (dir1->inum < dir2->inum) {
784 g_mutex_lock(dir1->lock);
785 g_mutex_lock(dir2->lock);
786 } else if (dir1->inum > dir2->inum) {
787 g_mutex_lock(dir2->lock);
788 g_mutex_lock(dir1->lock);
790 encode_pre_wcc(wcc1, dir1);
791 encode_pre_wcc(wcc2, dir1);
793 gboolean status = bluesky_rename(dir1, argp->from.name,
797 wcc1->after.present = TRUE;
798 encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
799 wcc2->after.present = TRUE;
800 encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
802 result.status = NFS3_OK;
804 result.status = NFS3ERR_PERM;
806 g_mutex_unlock(dir1->lock);
807 if (dir1->inum != dir2->inum)
808 g_mutex_unlock(dir2->lock);
809 async_rpc_send_reply(req, &result);
812 void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
815 memset(&result, 0, sizeof(result));
817 memset(&wcc, 0, sizeof(wcc));
819 BlueSkyInode *inode = lookup_fh(req, &argp->file);
821 result.status = NFS3ERR_STALE;
822 result.link3res_u.res.linkdir_wcc = wcc;
823 async_rpc_send_reply(req, &result);
826 g_mutex_lock(inode->lock);
828 BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
830 result.status = NFS3ERR_STALE;
831 result.link3res_u.res.linkdir_wcc = wcc;
832 g_mutex_unlock(inode->lock);
833 async_rpc_send_reply(req, &result);
836 g_mutex_lock(dir->lock);
838 encode_pre_wcc(&wcc, dir);
839 if (dir->type != BLUESKY_DIRECTORY) {
840 result.status = NFS3ERR_NOTDIR;
841 result.link3res_u.res.linkdir_wcc = wcc;
842 g_mutex_unlock(inode->lock);
843 g_mutex_unlock(dir->lock);
844 async_rpc_send_reply(req, &result);
848 if (!validate_filename(argp->link.name)
849 || strcmp(argp->link.name, ".") == 0
850 || strcmp(argp->link.name, "..") == 0
851 || bluesky_directory_lookup(dir, argp->link.name) != 0)
853 result.status = NFS3ERR_EXIST;
854 result.link3res_u.res.linkdir_wcc = wcc;
855 g_mutex_unlock(inode->lock);
856 g_mutex_unlock(dir->lock);
857 async_rpc_send_reply(req, &result);
861 if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
862 result.status = NFS3ERR_EXIST;
863 result.link3res_u.res.linkdir_wcc = wcc;
864 g_mutex_unlock(inode->lock);
865 g_mutex_unlock(dir->lock);
866 async_rpc_send_reply(req, &result);
870 bluesky_inode_update_ctime(inode, FALSE);
871 bluesky_inode_update_ctime(dir, TRUE);
873 result.status = NFS3_OK;
874 wcc.after.present = TRUE;
875 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
876 result.link3res_u.res.file_attributes.present = TRUE;
877 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
878 result.link3res_u.res.linkdir_wcc = wcc;
880 g_mutex_unlock(inode->lock);
881 g_mutex_unlock(dir->lock);
882 async_rpc_send_reply(req, &result);
885 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
888 #define MAX_READDIR_DIRENTS 64
889 void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
892 memset(&result, 0, sizeof(result));
894 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
896 result.status = NFS3ERR_STALE;
897 result.readdir3res_u.resfail.present = FALSE;
898 async_rpc_send_reply(req, &result);
901 g_mutex_lock(dir->lock);
903 result.status = NFS3_OK;
904 result.readdir3res_u.resok.dir_attributes.present = TRUE;
905 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
906 memset(result.readdir3res_u.resok.cookieverf, 0,
907 sizeof(result.readdir3res_u.resok.cookieverf));
909 entry3 dirents[MAX_READDIR_DIRENTS];
912 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
913 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
914 bluesky_dirent_compare, NULL);
916 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
917 BlueSkyDirent *d = g_sequence_get(i);
918 dirents[count].fileid = d->inum;
919 dirents[count].name = d->name;
920 dirents[count].cookie = d->cookie;
921 dirents[count].nextentry = NULL;
923 dirents[count - 1].nextentry = &dirents[count];
924 i = g_sequence_iter_next(i);
929 result.readdir3res_u.resok.reply.entries = &dirents[0];
931 result.readdir3res_u.resok.reply.entries = NULL;
932 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
934 g_mutex_unlock(dir->lock);
935 async_rpc_send_reply(req, &result);
938 void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
940 /* XDR-encoded sizes:
941 * post_op_attr: 88 bytes
942 * base readdirplus3resok: 88 + 16 bytes
943 * base directory entry: 24 bytes + filename
944 * attributes/fh3: 88 + 8 + filehandle size
946 size_t dircount = 88 + 16, attrcount = 0;
947 readdirplus3res result;
948 memset(&result, 0, sizeof(result));
950 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
952 result.status = NFS3ERR_STALE;
953 result.readdirplus3res_u.resfail.present = FALSE;
954 async_rpc_send_reply(req, &result);
957 g_mutex_lock(dir->lock);
959 result.status = NFS3_OK;
960 result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
961 encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
962 memset(result.readdirplus3res_u.resok.cookieverf, 0,
963 sizeof(result.readdirplus3res_u.resok.cookieverf));
965 entryplus3 dirents[MAX_READDIR_DIRENTS];
966 uint64_t fh_bytes[MAX_READDIR_DIRENTS];
970 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
972 /* Perform a prefetch pass on inodes: for all the inodes we think we will
973 * return information about, try to load each one but don't wait. This
974 * should let multiple inodes be fetched in parallel, instead of
975 * sequentially in the loop that follows. */
976 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
977 while (count < MAX_READDIR_DIRENTS
978 && !g_sequence_iter_is_end(i)
979 && dircount <= argp->dircount
980 && dircount + attrcount <= argp->maxcount)
982 BlueSkyDirent *d = g_sequence_get(i);
983 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
985 bluesky_inode_unref(inode);
986 dircount += 24 + ((strlen(d->name) + 3) & ~3);
987 attrcount += 88 + 8 + 8;
988 i = g_sequence_iter_next(i);
991 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
995 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
996 BlueSkyDirent *d = g_sequence_get(i);
997 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
999 g_mutex_lock(inode->lock);
1000 dircount += 24 + ((strlen(d->name) + 3) & ~3);
1001 attrcount += 88 + 8 + 8;
1002 if (dircount > argp->dircount
1003 || dircount + attrcount > argp->maxcount)
1005 g_mutex_unlock(inode->lock);
1006 bluesky_inode_unref(inode);
1009 dirents[count].fileid = d->inum;
1010 dirents[count].name = d->name;
1011 dirents[count].cookie = d->cookie;
1012 dirents[count].nextentry = NULL;
1013 dirents[count].name_attributes.present = TRUE;
1014 encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
1015 fh_bytes[count] = GUINT64_TO_BE(d->inum);
1016 dirents[count].name_handle.present = TRUE;
1017 dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
1018 dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
1019 = (char *)&fh_bytes[count];
1021 dirents[count - 1].nextentry = &dirents[count];
1023 g_mutex_unlock(inode->lock);
1024 bluesky_inode_unref(inode);
1026 i = g_sequence_iter_next(i);
1030 result.readdirplus3res_u.resok.reply.entries = &dirents[0];
1032 result.readdirplus3res_u.resok.reply.entries = NULL;
1033 result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
1035 g_mutex_unlock(dir->lock);
1036 async_rpc_send_reply(req, &result);
1039 void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
1042 memset(&result, 0, sizeof(result));
1044 BlueSkyInode *inode = lookup_fh(req, argp);
1045 if (inode == NULL) {
1046 result.status = NFS3ERR_STALE;
1047 result.fsstat3res_u.resfail.present = FALSE;
1048 async_rpc_send_reply(req, &result);
1051 g_mutex_lock(inode->lock);
1053 result.status = NFS3_OK;
1054 result.fsstat3res_u.resok.obj_attributes.present = TRUE;
1055 encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1057 result.fsstat3res_u.resok.tbytes = (1 << 30);
1058 result.fsstat3res_u.resok.fbytes = (1 << 30);
1059 result.fsstat3res_u.resok.abytes = (1 << 30);
1060 result.fsstat3res_u.resok.tfiles = 0;
1061 result.fsstat3res_u.resok.ffiles = 0;
1062 result.fsstat3res_u.resok.afiles = 0;
1063 result.fsstat3res_u.resok.invarsec = 0;
1065 g_mutex_unlock(inode->lock);
1066 async_rpc_send_reply(req, &result);
1069 void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
1072 memset(&result, 0, sizeof(result));
1074 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1075 g_mutex_lock(inode->lock);
1076 result.status = NFS3_OK;
1077 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
1078 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1079 result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
1080 result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
1081 result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
1082 result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
1083 result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
1084 result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
1085 result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
1086 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
1087 result.fsinfo3res_u.resok.time_delta.seconds = 0;
1088 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
1089 result.fsinfo3res_u.resok.properties
1090 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
1092 g_mutex_unlock(inode->lock);
1093 bluesky_inode_unref(inode);
1094 async_rpc_send_reply(req, &result);
1097 void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
1099 pathconf3res result;
1100 memset(&result, 0, sizeof(result));
1102 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1103 g_mutex_lock(inode->lock);
1104 result.status = NFS3_OK;
1105 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
1106 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1107 result.pathconf3res_u.resok.linkmax = 0xffffffff;
1108 result.pathconf3res_u.resok.name_max = 255;
1109 result.pathconf3res_u.resok.no_trunc = TRUE;
1110 result.pathconf3res_u.resok.chown_restricted = TRUE;
1111 result.pathconf3res_u.resok.case_insensitive = FALSE;
1112 result.pathconf3res_u.resok.case_preserving = TRUE;
1114 g_mutex_unlock(inode->lock);
1115 bluesky_inode_unref(inode);
1116 async_rpc_send_reply(req, &result);
1119 void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
1122 memset(&result, 0, sizeof(result));
1124 result.status = NFS3_OK;
1126 BlueSkyInode *inode = lookup_fh(req, &argp->file);
1127 if (inode == NULL) {
1128 result.status = NFS3ERR_STALE;
1129 async_rpc_send_reply(req, &result);
1133 g_mutex_lock(inode->lock);
1134 encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
1136 //bluesky_inode_do_sync(inode);
1138 result.commit3res_u.resok.file_wcc.after.present = TRUE;
1139 encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
1141 g_mutex_unlock(inode->lock);
1143 async_rpc_send_reply(req, &result);