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 BlueSkyInode *inode = lookup_fh(req, &argp->file);
333 result.status = NFS3ERR_STALE;
334 result.read3res_u.resfail.present = FALSE;
335 async_rpc_send_reply(req, &result);
339 g_mutex_lock(inode->lock);
341 int count = argp->count;
342 if (argp->offset >= inode->size) {
344 result.read3res_u.resok.eof = TRUE;
346 count = MIN(count, NFS_MAXSIZE);
347 count = MIN(count, inode->size - argp->offset);
348 if (argp->offset + count == inode->size)
349 result.read3res_u.resok.eof = TRUE;
351 result.read3res_u.resok.eof = FALSE;
353 bluesky_file_read(inode, argp->offset, buf, count);
356 result.status = NFS3_OK;
357 result.read3res_u.resok.file_attributes.present = TRUE;
358 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
359 result.read3res_u.resok.count = count;
360 result.read3res_u.resok.data.data_val = buf;
361 result.read3res_u.resok.data.data_len = count;
363 g_mutex_unlock(inode->lock);
365 async_rpc_send_reply(req, &result);
368 void nfsproc3_write_3_svc(write3args *argp, RPCRequest *req)
371 memset(&result, 0, sizeof(result));
373 memset(&wcc, 0, sizeof(wcc));
375 BlueSkyInode *inode = lookup_fh(req, &argp->file);
377 result.status = NFS3ERR_STALE;
378 result.write3res_u.resfail = wcc;
379 async_rpc_send_reply(req, &result);
383 /* FIXME: Hack to throttle writes when there is too much dirty data still
384 * to be written out. */
385 while (g_atomic_int_get(&fs->cache_dirty) > 4096
386 || g_atomic_int_get(&fs->cache_total) > 8192) {
387 g_print("Too many dirty pages (%d) or total pages (%d); throttling writes...\n",
388 g_atomic_int_get(&fs->cache_dirty),
389 g_atomic_int_get(&fs->cache_total));
390 struct timespec delay;
393 nanosleep(&delay, NULL);
396 g_mutex_lock(inode->lock);
398 encode_pre_wcc(&wcc, inode);
399 if (inode->type != BLUESKY_REGULAR) {
400 result.status = NFS3ERR_INVAL;
401 result.write3res_u.resfail = wcc;
402 g_mutex_unlock(inode->lock);
403 async_rpc_send_reply(req, &result);
407 uint64_t lastbyte = argp->offset + argp->count;
408 if (lastbyte > inode->size) {
409 bluesky_file_truncate(inode, lastbyte);
412 if (argp->data.data_len < argp->count) {
415 bluesky_file_write(inode, argp->offset,
416 argp->data.data_val, argp->count);
419 wcc.after.present = TRUE;
420 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
421 result.write3res_u.resok.file_wcc = wcc;
422 result.write3res_u.resok.count = argp->count;
423 result.write3res_u.resok.committed = FILE_SYNC;
425 g_mutex_unlock(inode->lock);
427 async_rpc_send_reply(req, &result);
430 void nfsproc3_create_3_svc(create3args *argp, RPCRequest *req)
433 memset(&result, 0, sizeof(result));
435 memset(&wcc, 0, sizeof(wcc));
437 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
439 result.status = NFS3ERR_STALE;
440 result.diropres3_u.resfail = wcc;
441 async_rpc_send_reply(req, &result);
445 g_mutex_lock(dir->lock);
447 encode_pre_wcc(&wcc, dir);
448 if (dir->type != BLUESKY_DIRECTORY) {
449 result.status = NFS3ERR_NOTDIR;
450 result.diropres3_u.resfail = wcc;
451 g_mutex_unlock(dir->lock);
452 async_rpc_send_reply(req, &result);
456 if (!validate_filename(argp->where.name)
457 || strcmp(argp->where.name, ".") == 0
458 || strcmp(argp->where.name, "..") == 0)
460 result.status = NFS3ERR_EXIST;
461 result.diropres3_u.resfail = wcc;
462 g_mutex_unlock(dir->lock);
463 async_rpc_send_reply(req, &result);
468 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
471 int64_t time = bluesky_get_current_time();
472 printf("time: %"PRIi64"\n", time);
477 g_mutex_lock(file->lock);
478 bluesky_insert_inode(fs, file);
479 bluesky_directory_insert(dir, argp->where.name, file->inum);
481 bluesky_inode_update_ctime(dir, TRUE);
483 wcc.after.present = TRUE;
484 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
485 result.diropres3_u.resok.obj_attributes.present = TRUE;
486 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
487 result.diropres3_u.resok.dir_wcc = wcc;
490 fh_bytes = GUINT64_TO_BE(file->inum);
491 result.diropres3_u.resok.obj.present = TRUE;
492 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
493 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
495 g_mutex_unlock(file->lock);
496 g_mutex_unlock(dir->lock);
498 async_rpc_send_reply(req, &result);
501 void nfsproc3_mkdir_3_svc(mkdir3args *argp, RPCRequest *req)
504 memset(&result, 0, sizeof(result));
506 memset(&wcc, 0, sizeof(wcc));
508 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
510 result.status = NFS3ERR_STALE;
511 result.diropres3_u.resfail = wcc;
512 async_rpc_send_reply(req, &result);
516 g_mutex_lock(dir->lock);
518 encode_pre_wcc(&wcc, dir);
519 if (dir->type != BLUESKY_DIRECTORY) {
520 result.status = NFS3ERR_NOTDIR;
521 result.diropres3_u.resfail = wcc;
522 g_mutex_unlock(dir->lock);
523 async_rpc_send_reply(req, &result);
527 if (!validate_filename(argp->where.name)
528 || strcmp(argp->where.name, ".") == 0
529 || strcmp(argp->where.name, "..") == 0)
531 result.status = NFS3ERR_EXIST;
532 result.diropres3_u.resfail = wcc;
533 g_mutex_unlock(dir->lock);
534 async_rpc_send_reply(req, &result);
539 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
542 int64_t time = bluesky_get_current_time();
547 g_mutex_lock(file->lock);
548 bluesky_insert_inode(fs, file);
549 bluesky_directory_insert(dir, argp->where.name, file->inum);
550 set_attributes(file, &argp->attributes);
552 bluesky_inode_update_ctime(dir, TRUE);
554 wcc.after.present = TRUE;
555 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
556 result.diropres3_u.resok.obj_attributes.present = TRUE;
557 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
558 result.diropres3_u.resok.dir_wcc = wcc;
561 fh_bytes = GUINT64_TO_BE(file->inum);
562 result.diropres3_u.resok.obj.present = TRUE;
563 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
564 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
566 g_mutex_unlock(file->lock);
567 g_mutex_unlock(dir->lock);
568 async_rpc_send_reply(req, &result);
571 void nfsproc3_symlink_3_svc(symlink3args *argp, RPCRequest *req)
574 memset(&result, 0, sizeof(result));
576 memset(&wcc, 0, sizeof(wcc));
578 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
580 result.status = NFS3ERR_STALE;
581 result.diropres3_u.resfail = wcc;
582 async_rpc_send_reply(req, &result);
585 g_mutex_lock(dir->lock);
587 encode_pre_wcc(&wcc, dir);
588 if (dir->type != BLUESKY_DIRECTORY) {
589 result.status = NFS3ERR_NOTDIR;
590 result.diropres3_u.resfail = wcc;
591 g_mutex_unlock(dir->lock);
592 async_rpc_send_reply(req, &result);
596 if (!validate_filename(argp->where.name)
597 || strcmp(argp->where.name, ".") == 0
598 || strcmp(argp->where.name, "..") == 0)
600 result.status = NFS3ERR_EXIST;
601 result.diropres3_u.resfail = wcc;
602 g_mutex_unlock(dir->lock);
603 async_rpc_send_reply(req, &result);
608 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
611 int64_t time = bluesky_get_current_time();
616 file->symlink_contents = g_strdup(argp->symlink.symlink_data);
617 g_mutex_lock(file->lock);
618 bluesky_insert_inode(fs, file);
619 bluesky_directory_insert(dir, argp->where.name, file->inum);
621 bluesky_inode_update_ctime(dir, TRUE);
623 wcc.after.present = TRUE;
624 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
625 result.diropres3_u.resok.obj_attributes.present = TRUE;
626 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
627 result.diropres3_u.resok.dir_wcc = wcc;
630 fh_bytes = GUINT64_TO_BE(file->inum);
631 result.diropres3_u.resok.obj.present = TRUE;
632 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
633 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
635 g_mutex_unlock(file->lock);
636 g_mutex_unlock(dir->lock);
637 async_rpc_send_reply(req, &result);
640 void nfsproc3_mknod_3_svc(mknod3args *argp, RPCRequest *req)
643 memset(&result, 0, sizeof(result));
645 result.status = NFS3ERR_NOTSUPP;
647 async_rpc_send_reply(req, &result);
650 void nfsproc3_remove_3_svc(diropargs3 *argp, RPCRequest *req)
653 memset(&result, 0, sizeof(result));
655 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
657 result.status = NFS3ERR_STALE;
658 async_rpc_send_reply(req, &result);
662 g_mutex_lock(dir->lock);
664 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
666 if (!validate_filename(argp->name)
667 || strcmp(argp->name, ".") == 0
668 || strcmp(argp->name, "..") == 0)
670 result.status = NFS3ERR_NOENT;
671 g_mutex_unlock(dir->lock);
672 async_rpc_send_reply(req, &result);
676 /* TODO: Decrement link count, deallocate inode if needed. */
678 bluesky_directory_remove(dir, argp->name);
680 result.status = NFS3_OK;
681 result.wccstat3_u.wcc.after.present = TRUE;
682 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
685 g_mutex_unlock(dir->lock);
686 async_rpc_send_reply(req, &result);
689 void nfsproc3_rmdir_3_svc(diropargs3 *argp, RPCRequest *req)
692 memset(&result, 0, sizeof(result));
694 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
696 result.status = NFS3ERR_STALE;
697 async_rpc_send_reply(req, &result);
701 g_mutex_lock(dir->lock);
703 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
705 if (!validate_filename(argp->name)
706 || strcmp(argp->name, ".") == 0
707 || strcmp(argp->name, "..") == 0)
709 result.status = NFS3ERR_NOENT;
710 g_mutex_unlock(dir->lock);
711 async_rpc_send_reply(req, &result);
715 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
716 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
718 result.status = NFS3ERR_NOENT;
719 g_mutex_unlock(dir->lock);
720 async_rpc_send_reply(req, &result);
723 g_mutex_lock(inode->lock);
724 schedule_inode_unref(req, inode);
726 if (inode->type != BLUESKY_DIRECTORY) {
727 result.status = NFS3ERR_NOTDIR;
728 g_mutex_unlock(inode->lock);
729 g_mutex_unlock(dir->lock);
730 async_rpc_send_reply(req, &result);
733 if (g_sequence_get_length(inode->dirents) > 0) {
734 printf("Directory not empty: %d entries\n",
735 g_sequence_get_length(inode->dirents));
736 result.status = NFS3ERR_NOTEMPTY;
737 g_mutex_unlock(inode->lock);
738 g_mutex_unlock(dir->lock);
739 async_rpc_send_reply(req, &result);
743 /* TODO: Decrement link count, deallocate inode if needed. */
745 bluesky_directory_remove(dir, argp->name);
747 result.status = NFS3_OK;
748 result.wccstat3_u.wcc.after.present = TRUE;
749 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
752 g_mutex_unlock(inode->lock);
753 g_mutex_unlock(dir->lock);
754 async_rpc_send_reply(req, &result);
757 void nfsproc3_rename_3_svc(rename3args *argp, RPCRequest *req)
760 memset(&result, 0, sizeof(result));
761 wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
762 wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
764 BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
766 result.status = NFS3ERR_STALE;
767 async_rpc_send_reply(req, &result);
771 BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
773 result.status = NFS3ERR_STALE;
774 async_rpc_send_reply(req, &result);
778 if (dir1->inum < dir2->inum) {
779 g_mutex_lock(dir1->lock);
780 g_mutex_lock(dir2->lock);
781 } else if (dir1->inum > dir2->inum) {
782 g_mutex_lock(dir2->lock);
783 g_mutex_lock(dir1->lock);
785 encode_pre_wcc(wcc1, dir1);
786 encode_pre_wcc(wcc2, dir1);
788 gboolean status = bluesky_rename(dir1, argp->from.name,
792 wcc1->after.present = TRUE;
793 encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
794 wcc2->after.present = TRUE;
795 encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
797 result.status = NFS3_OK;
799 result.status = NFS3ERR_PERM;
801 g_mutex_unlock(dir1->lock);
802 if (dir1->inum != dir2->inum)
803 g_mutex_unlock(dir2->lock);
804 async_rpc_send_reply(req, &result);
807 void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
810 memset(&result, 0, sizeof(result));
812 memset(&wcc, 0, sizeof(wcc));
814 BlueSkyInode *inode = lookup_fh(req, &argp->file);
816 result.status = NFS3ERR_STALE;
817 result.link3res_u.res.linkdir_wcc = wcc;
818 async_rpc_send_reply(req, &result);
821 g_mutex_lock(inode->lock);
823 BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
825 result.status = NFS3ERR_STALE;
826 result.link3res_u.res.linkdir_wcc = wcc;
827 g_mutex_unlock(inode->lock);
828 async_rpc_send_reply(req, &result);
831 g_mutex_lock(dir->lock);
833 encode_pre_wcc(&wcc, dir);
834 if (dir->type != BLUESKY_DIRECTORY) {
835 result.status = NFS3ERR_NOTDIR;
836 result.link3res_u.res.linkdir_wcc = wcc;
837 g_mutex_unlock(inode->lock);
838 g_mutex_unlock(dir->lock);
839 async_rpc_send_reply(req, &result);
843 if (!validate_filename(argp->link.name)
844 || strcmp(argp->link.name, ".") == 0
845 || strcmp(argp->link.name, "..") == 0
846 || bluesky_directory_lookup(dir, argp->link.name) != 0)
848 result.status = NFS3ERR_EXIST;
849 result.link3res_u.res.linkdir_wcc = wcc;
850 g_mutex_unlock(inode->lock);
851 g_mutex_unlock(dir->lock);
852 async_rpc_send_reply(req, &result);
856 if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
857 result.status = NFS3ERR_EXIST;
858 result.link3res_u.res.linkdir_wcc = wcc;
859 g_mutex_unlock(inode->lock);
860 g_mutex_unlock(dir->lock);
861 async_rpc_send_reply(req, &result);
865 bluesky_inode_update_ctime(inode, FALSE);
866 bluesky_inode_update_ctime(dir, TRUE);
868 result.status = NFS3_OK;
869 wcc.after.present = TRUE;
870 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
871 result.link3res_u.res.file_attributes.present = TRUE;
872 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
873 result.link3res_u.res.linkdir_wcc = wcc;
875 g_mutex_unlock(inode->lock);
876 g_mutex_unlock(dir->lock);
877 async_rpc_send_reply(req, &result);
880 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
883 #define MAX_READDIR_DIRENTS 64
884 void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
887 memset(&result, 0, sizeof(result));
889 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
891 result.status = NFS3ERR_STALE;
892 result.readdir3res_u.resfail.present = FALSE;
893 async_rpc_send_reply(req, &result);
896 g_mutex_lock(dir->lock);
898 result.status = NFS3_OK;
899 result.readdir3res_u.resok.dir_attributes.present = TRUE;
900 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
901 memset(result.readdir3res_u.resok.cookieverf, 0,
902 sizeof(result.readdir3res_u.resok.cookieverf));
904 entry3 dirents[MAX_READDIR_DIRENTS];
907 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
908 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
909 bluesky_dirent_compare, NULL);
911 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
912 BlueSkyDirent *d = g_sequence_get(i);
913 dirents[count].fileid = d->inum;
914 dirents[count].name = d->name;
915 dirents[count].cookie = d->cookie;
916 dirents[count].nextentry = NULL;
918 dirents[count - 1].nextentry = &dirents[count];
919 i = g_sequence_iter_next(i);
924 result.readdir3res_u.resok.reply.entries = &dirents[0];
926 result.readdir3res_u.resok.reply.entries = NULL;
927 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
929 g_mutex_unlock(dir->lock);
930 async_rpc_send_reply(req, &result);
933 void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
935 /* XDR-encoded sizes:
936 * post_op_attr: 88 bytes
937 * base readdirplus3resok: 88 + 16 bytes
938 * base directory entry: 24 bytes + filename
939 * attributes/fh3: 88 + 8 + filehandle size
941 size_t dircount = 88 + 16, attrcount = 0;
942 readdirplus3res result;
943 memset(&result, 0, sizeof(result));
945 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
947 result.status = NFS3ERR_STALE;
948 result.readdirplus3res_u.resfail.present = FALSE;
949 async_rpc_send_reply(req, &result);
952 g_mutex_lock(dir->lock);
954 result.status = NFS3_OK;
955 result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
956 encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
957 memset(result.readdirplus3res_u.resok.cookieverf, 0,
958 sizeof(result.readdirplus3res_u.resok.cookieverf));
960 entryplus3 dirents[MAX_READDIR_DIRENTS];
961 uint64_t fh_bytes[MAX_READDIR_DIRENTS];
965 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
967 /* Perform a prefetch pass on inodes: for all the inodes we think we will
968 * return information about, try to load each one but don't wait. This
969 * should let multiple inodes be fetched in parallel, instead of
970 * sequentially in the loop that follows. */
971 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
972 while (count < MAX_READDIR_DIRENTS
973 && !g_sequence_iter_is_end(i)
974 && dircount <= argp->dircount
975 && dircount + attrcount <= argp->maxcount)
977 BlueSkyDirent *d = g_sequence_get(i);
978 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
980 bluesky_inode_unref(inode);
981 dircount += 24 + ((strlen(d->name) + 3) & ~3);
982 attrcount += 88 + 8 + 8;
983 i = g_sequence_iter_next(i);
986 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
990 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
991 BlueSkyDirent *d = g_sequence_get(i);
992 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
993 g_mutex_lock(inode->lock);
995 dircount += 24 + ((strlen(d->name) + 3) & ~3);
996 attrcount += 88 + 8 + 8;
997 if (dircount > argp->dircount
998 || dircount + attrcount > argp->maxcount)
1000 g_mutex_unlock(inode->lock);
1001 bluesky_inode_unref(inode);
1004 dirents[count].fileid = d->inum;
1005 dirents[count].name = d->name;
1006 dirents[count].cookie = d->cookie;
1007 dirents[count].nextentry = NULL;
1008 dirents[count].name_attributes.present = TRUE;
1009 encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
1010 fh_bytes[count] = GUINT64_TO_BE(d->inum);
1011 dirents[count].name_handle.present = TRUE;
1012 dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
1013 dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
1014 = (char *)&fh_bytes[count];
1016 dirents[count - 1].nextentry = &dirents[count];
1018 g_mutex_unlock(inode->lock);
1019 bluesky_inode_unref(inode);
1021 i = g_sequence_iter_next(i);
1025 result.readdirplus3res_u.resok.reply.entries = &dirents[0];
1027 result.readdirplus3res_u.resok.reply.entries = NULL;
1028 result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
1030 g_mutex_unlock(dir->lock);
1031 async_rpc_send_reply(req, &result);
1034 void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
1037 memset(&result, 0, sizeof(result));
1039 BlueSkyInode *inode = lookup_fh(req, argp);
1040 if (inode == NULL) {
1041 result.status = NFS3ERR_STALE;
1042 result.fsstat3res_u.resfail.present = FALSE;
1043 async_rpc_send_reply(req, &result);
1046 g_mutex_lock(inode->lock);
1048 result.status = NFS3_OK;
1049 result.fsstat3res_u.resok.obj_attributes.present = TRUE;
1050 encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1052 result.fsstat3res_u.resok.tbytes = (1 << 30);
1053 result.fsstat3res_u.resok.fbytes = (1 << 30);
1054 result.fsstat3res_u.resok.abytes = (1 << 30);
1055 result.fsstat3res_u.resok.tfiles = 0;
1056 result.fsstat3res_u.resok.ffiles = 0;
1057 result.fsstat3res_u.resok.afiles = 0;
1058 result.fsstat3res_u.resok.invarsec = 0;
1060 g_mutex_unlock(inode->lock);
1061 async_rpc_send_reply(req, &result);
1064 void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
1067 memset(&result, 0, sizeof(result));
1069 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1070 g_mutex_lock(inode->lock);
1071 result.status = NFS3_OK;
1072 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
1073 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1074 result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
1075 result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
1076 result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
1077 result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
1078 result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
1079 result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
1080 result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
1081 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
1082 result.fsinfo3res_u.resok.time_delta.seconds = 0;
1083 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
1084 result.fsinfo3res_u.resok.properties
1085 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
1087 g_mutex_unlock(inode->lock);
1088 bluesky_inode_unref(inode);
1089 async_rpc_send_reply(req, &result);
1092 void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
1094 pathconf3res result;
1095 memset(&result, 0, sizeof(result));
1097 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1098 g_mutex_lock(inode->lock);
1099 result.status = NFS3_OK;
1100 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
1101 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1102 result.pathconf3res_u.resok.linkmax = 0xffffffff;
1103 result.pathconf3res_u.resok.name_max = 255;
1104 result.pathconf3res_u.resok.no_trunc = TRUE;
1105 result.pathconf3res_u.resok.chown_restricted = TRUE;
1106 result.pathconf3res_u.resok.case_insensitive = FALSE;
1107 result.pathconf3res_u.resok.case_preserving = TRUE;
1109 g_mutex_unlock(inode->lock);
1110 bluesky_inode_unref(inode);
1111 async_rpc_send_reply(req, &result);
1114 void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
1117 memset(&result, 0, sizeof(result));
1119 result.status = NFS3_OK;
1121 BlueSkyInode *inode = lookup_fh(req, &argp->file);
1122 if (inode == NULL) {
1123 result.status = NFS3ERR_STALE;
1124 async_rpc_send_reply(req, &result);
1128 g_mutex_lock(inode->lock);
1129 encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
1131 //bluesky_inode_do_sync(inode);
1133 result.commit3res_u.resok.file_wcc.after.present = TRUE;
1134 encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
1136 g_mutex_unlock(inode->lock);
1138 async_rpc_send_reply(req, &result);