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 g_mutex_lock(inode->lock);
385 encode_pre_wcc(&wcc, inode);
386 if (inode->type != BLUESKY_REGULAR) {
387 result.status = NFS3ERR_INVAL;
388 result.write3res_u.resfail = wcc;
389 g_mutex_unlock(inode->lock);
390 async_rpc_send_reply(req, &result);
394 uint64_t lastbyte = argp->offset + argp->count;
395 if (lastbyte > inode->size) {
396 bluesky_file_truncate(inode, lastbyte);
399 if (argp->data.data_len < argp->count) {
402 bluesky_file_write(inode, argp->offset,
403 argp->data.data_val, argp->count);
406 wcc.after.present = TRUE;
407 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
408 result.write3res_u.resok.file_wcc = wcc;
409 result.write3res_u.resok.count = argp->count;
410 result.write3res_u.resok.committed = FILE_SYNC;
412 g_mutex_unlock(inode->lock);
414 async_rpc_send_reply(req, &result);
417 void nfsproc3_create_3_svc(create3args *argp, RPCRequest *req)
420 memset(&result, 0, sizeof(result));
422 memset(&wcc, 0, sizeof(wcc));
424 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
426 result.status = NFS3ERR_STALE;
427 result.diropres3_u.resfail = wcc;
428 async_rpc_send_reply(req, &result);
432 g_mutex_lock(dir->lock);
434 encode_pre_wcc(&wcc, dir);
435 if (dir->type != BLUESKY_DIRECTORY) {
436 result.status = NFS3ERR_NOTDIR;
437 result.diropres3_u.resfail = wcc;
438 g_mutex_unlock(dir->lock);
439 async_rpc_send_reply(req, &result);
443 if (!validate_filename(argp->where.name)
444 || strcmp(argp->where.name, ".") == 0
445 || strcmp(argp->where.name, "..") == 0)
447 result.status = NFS3ERR_EXIST;
448 result.diropres3_u.resfail = wcc;
449 g_mutex_unlock(dir->lock);
450 async_rpc_send_reply(req, &result);
455 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
458 int64_t time = bluesky_get_current_time();
459 printf("time: %"PRIi64"\n", time);
464 g_mutex_lock(file->lock);
465 bluesky_insert_inode(fs, file);
466 bluesky_directory_insert(dir, argp->where.name, file->inum);
468 bluesky_inode_update_ctime(dir, TRUE);
470 wcc.after.present = TRUE;
471 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
472 result.diropres3_u.resok.obj_attributes.present = TRUE;
473 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
474 result.diropres3_u.resok.dir_wcc = wcc;
477 fh_bytes = GUINT64_TO_BE(file->inum);
478 result.diropres3_u.resok.obj.present = TRUE;
479 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
480 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
482 g_mutex_unlock(file->lock);
483 g_mutex_unlock(dir->lock);
485 async_rpc_send_reply(req, &result);
488 void nfsproc3_mkdir_3_svc(mkdir3args *argp, RPCRequest *req)
491 memset(&result, 0, sizeof(result));
493 memset(&wcc, 0, sizeof(wcc));
495 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
497 result.status = NFS3ERR_STALE;
498 result.diropres3_u.resfail = wcc;
499 async_rpc_send_reply(req, &result);
503 g_mutex_lock(dir->lock);
505 encode_pre_wcc(&wcc, dir);
506 if (dir->type != BLUESKY_DIRECTORY) {
507 result.status = NFS3ERR_NOTDIR;
508 result.diropres3_u.resfail = wcc;
509 g_mutex_unlock(dir->lock);
510 async_rpc_send_reply(req, &result);
514 if (!validate_filename(argp->where.name)
515 || strcmp(argp->where.name, ".") == 0
516 || strcmp(argp->where.name, "..") == 0)
518 result.status = NFS3ERR_EXIST;
519 result.diropres3_u.resfail = wcc;
520 g_mutex_unlock(dir->lock);
521 async_rpc_send_reply(req, &result);
526 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
529 int64_t time = bluesky_get_current_time();
534 g_mutex_lock(file->lock);
535 bluesky_insert_inode(fs, file);
536 bluesky_directory_insert(dir, argp->where.name, file->inum);
537 set_attributes(file, &argp->attributes);
539 bluesky_inode_update_ctime(dir, TRUE);
541 wcc.after.present = TRUE;
542 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
543 result.diropres3_u.resok.obj_attributes.present = TRUE;
544 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
545 result.diropres3_u.resok.dir_wcc = wcc;
548 fh_bytes = GUINT64_TO_BE(file->inum);
549 result.diropres3_u.resok.obj.present = TRUE;
550 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
551 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
553 g_mutex_unlock(file->lock);
554 g_mutex_unlock(dir->lock);
555 async_rpc_send_reply(req, &result);
558 void nfsproc3_symlink_3_svc(symlink3args *argp, RPCRequest *req)
561 memset(&result, 0, sizeof(result));
563 memset(&wcc, 0, sizeof(wcc));
565 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
567 result.status = NFS3ERR_STALE;
568 result.diropres3_u.resfail = wcc;
569 async_rpc_send_reply(req, &result);
572 g_mutex_lock(dir->lock);
574 encode_pre_wcc(&wcc, dir);
575 if (dir->type != BLUESKY_DIRECTORY) {
576 result.status = NFS3ERR_NOTDIR;
577 result.diropres3_u.resfail = wcc;
578 g_mutex_unlock(dir->lock);
579 async_rpc_send_reply(req, &result);
583 if (!validate_filename(argp->where.name)
584 || strcmp(argp->where.name, ".") == 0
585 || strcmp(argp->where.name, "..") == 0)
587 result.status = NFS3ERR_EXIST;
588 result.diropres3_u.resfail = wcc;
589 g_mutex_unlock(dir->lock);
590 async_rpc_send_reply(req, &result);
595 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
598 int64_t time = bluesky_get_current_time();
603 file->symlink_contents = g_strdup(argp->symlink.symlink_data);
604 g_mutex_lock(file->lock);
605 bluesky_insert_inode(fs, file);
606 bluesky_directory_insert(dir, argp->where.name, file->inum);
608 bluesky_inode_update_ctime(dir, TRUE);
610 wcc.after.present = TRUE;
611 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
612 result.diropres3_u.resok.obj_attributes.present = TRUE;
613 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
614 result.diropres3_u.resok.dir_wcc = wcc;
617 fh_bytes = GUINT64_TO_BE(file->inum);
618 result.diropres3_u.resok.obj.present = TRUE;
619 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
620 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
622 g_mutex_unlock(file->lock);
623 g_mutex_unlock(dir->lock);
624 async_rpc_send_reply(req, &result);
627 void nfsproc3_mknod_3_svc(mknod3args *argp, RPCRequest *req)
630 memset(&result, 0, sizeof(result));
632 result.status = NFS3ERR_NOTSUPP;
634 async_rpc_send_reply(req, &result);
637 void nfsproc3_remove_3_svc(diropargs3 *argp, RPCRequest *req)
640 memset(&result, 0, sizeof(result));
642 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
644 result.status = NFS3ERR_STALE;
645 async_rpc_send_reply(req, &result);
649 g_mutex_lock(dir->lock);
651 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
653 if (!validate_filename(argp->name)
654 || strcmp(argp->name, ".") == 0
655 || strcmp(argp->name, "..") == 0)
657 result.status = NFS3ERR_NOENT;
658 g_mutex_unlock(dir->lock);
659 async_rpc_send_reply(req, &result);
663 /* TODO: Decrement link count, deallocate inode if needed. */
665 bluesky_directory_remove(dir, argp->name);
667 result.status = NFS3_OK;
668 result.wccstat3_u.wcc.after.present = TRUE;
669 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
672 g_mutex_unlock(dir->lock);
673 async_rpc_send_reply(req, &result);
676 void nfsproc3_rmdir_3_svc(diropargs3 *argp, RPCRequest *req)
679 memset(&result, 0, sizeof(result));
681 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
683 result.status = NFS3ERR_STALE;
684 async_rpc_send_reply(req, &result);
688 g_mutex_lock(dir->lock);
690 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
692 if (!validate_filename(argp->name)
693 || strcmp(argp->name, ".") == 0
694 || strcmp(argp->name, "..") == 0)
696 result.status = NFS3ERR_NOENT;
697 g_mutex_unlock(dir->lock);
698 async_rpc_send_reply(req, &result);
702 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
703 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
705 result.status = NFS3ERR_NOENT;
706 g_mutex_unlock(dir->lock);
707 async_rpc_send_reply(req, &result);
710 g_mutex_lock(inode->lock);
711 schedule_inode_unref(req, inode);
713 if (inode->type != BLUESKY_DIRECTORY) {
714 result.status = NFS3ERR_NOTDIR;
715 g_mutex_unlock(inode->lock);
716 g_mutex_unlock(dir->lock);
717 async_rpc_send_reply(req, &result);
720 if (g_sequence_get_length(inode->dirents) > 0) {
721 printf("Directory not empty: %d entries\n",
722 g_sequence_get_length(inode->dirents));
723 result.status = NFS3ERR_NOTEMPTY;
724 g_mutex_unlock(inode->lock);
725 g_mutex_unlock(dir->lock);
726 async_rpc_send_reply(req, &result);
730 /* TODO: Decrement link count, deallocate inode if needed. */
732 bluesky_directory_remove(dir, argp->name);
734 result.status = NFS3_OK;
735 result.wccstat3_u.wcc.after.present = TRUE;
736 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
739 g_mutex_unlock(inode->lock);
740 g_mutex_unlock(dir->lock);
741 async_rpc_send_reply(req, &result);
744 void nfsproc3_rename_3_svc(rename3args *argp, RPCRequest *req)
747 memset(&result, 0, sizeof(result));
748 wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
749 wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
751 BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
753 result.status = NFS3ERR_STALE;
754 async_rpc_send_reply(req, &result);
758 BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
760 result.status = NFS3ERR_STALE;
761 async_rpc_send_reply(req, &result);
765 if (dir1->inum < dir2->inum) {
766 g_mutex_lock(dir1->lock);
767 g_mutex_lock(dir2->lock);
768 } else if (dir1->inum > dir2->inum) {
769 g_mutex_lock(dir2->lock);
770 g_mutex_lock(dir1->lock);
772 encode_pre_wcc(wcc1, dir1);
773 encode_pre_wcc(wcc2, dir1);
775 gboolean status = bluesky_rename(dir1, argp->from.name,
779 wcc1->after.present = TRUE;
780 encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
781 wcc2->after.present = TRUE;
782 encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
784 result.status = NFS3_OK;
786 result.status = NFS3ERR_PERM;
788 g_mutex_unlock(dir1->lock);
789 if (dir1->inum != dir2->inum)
790 g_mutex_unlock(dir2->lock);
791 async_rpc_send_reply(req, &result);
794 void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
797 memset(&result, 0, sizeof(result));
799 memset(&wcc, 0, sizeof(wcc));
801 BlueSkyInode *inode = lookup_fh(req, &argp->file);
803 result.status = NFS3ERR_STALE;
804 result.link3res_u.res.linkdir_wcc = wcc;
805 async_rpc_send_reply(req, &result);
808 g_mutex_lock(inode->lock);
810 BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
812 result.status = NFS3ERR_STALE;
813 result.link3res_u.res.linkdir_wcc = wcc;
814 g_mutex_unlock(inode->lock);
815 async_rpc_send_reply(req, &result);
818 g_mutex_lock(dir->lock);
820 encode_pre_wcc(&wcc, dir);
821 if (dir->type != BLUESKY_DIRECTORY) {
822 result.status = NFS3ERR_NOTDIR;
823 result.link3res_u.res.linkdir_wcc = wcc;
824 g_mutex_unlock(inode->lock);
825 g_mutex_unlock(dir->lock);
826 async_rpc_send_reply(req, &result);
830 if (!validate_filename(argp->link.name)
831 || strcmp(argp->link.name, ".") == 0
832 || strcmp(argp->link.name, "..") == 0
833 || bluesky_directory_lookup(dir, argp->link.name) != 0)
835 result.status = NFS3ERR_EXIST;
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 (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
844 result.status = NFS3ERR_EXIST;
845 result.link3res_u.res.linkdir_wcc = wcc;
846 g_mutex_unlock(inode->lock);
847 g_mutex_unlock(dir->lock);
848 async_rpc_send_reply(req, &result);
852 bluesky_inode_update_ctime(inode, FALSE);
853 bluesky_inode_update_ctime(dir, TRUE);
855 result.status = NFS3_OK;
856 wcc.after.present = TRUE;
857 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
858 result.link3res_u.res.file_attributes.present = TRUE;
859 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
860 result.link3res_u.res.linkdir_wcc = wcc;
862 g_mutex_unlock(inode->lock);
863 g_mutex_unlock(dir->lock);
864 async_rpc_send_reply(req, &result);
867 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
870 #define MAX_READDIR_DIRENTS 64
871 void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
874 memset(&result, 0, sizeof(result));
876 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
878 result.status = NFS3ERR_STALE;
879 result.readdir3res_u.resfail.present = FALSE;
880 async_rpc_send_reply(req, &result);
883 g_mutex_lock(dir->lock);
885 result.status = NFS3_OK;
886 result.readdir3res_u.resok.dir_attributes.present = TRUE;
887 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
888 memset(result.readdir3res_u.resok.cookieverf, 0,
889 sizeof(result.readdir3res_u.resok.cookieverf));
891 entry3 dirents[MAX_READDIR_DIRENTS];
894 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
895 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
896 bluesky_dirent_compare, NULL);
898 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
899 BlueSkyDirent *d = g_sequence_get(i);
900 dirents[count].fileid = d->inum;
901 dirents[count].name = d->name;
902 dirents[count].cookie = d->cookie;
903 dirents[count].nextentry = NULL;
905 dirents[count - 1].nextentry = &dirents[count];
906 i = g_sequence_iter_next(i);
911 result.readdir3res_u.resok.reply.entries = &dirents[0];
913 result.readdir3res_u.resok.reply.entries = NULL;
914 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
916 g_mutex_unlock(dir->lock);
917 async_rpc_send_reply(req, &result);
920 void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
922 /* XDR-encoded sizes:
923 * post_op_attr: 88 bytes
924 * base readdirplus3resok: 88 + 16 bytes
925 * base directory entry: 24 bytes + filename
926 * attributes/fh3: 88 + 8 + filehandle size
928 size_t dircount = 88 + 16, attrcount = 0;
929 readdirplus3res result;
930 memset(&result, 0, sizeof(result));
932 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
934 result.status = NFS3ERR_STALE;
935 result.readdirplus3res_u.resfail.present = FALSE;
936 async_rpc_send_reply(req, &result);
939 g_mutex_lock(dir->lock);
941 result.status = NFS3_OK;
942 result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
943 encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
944 memset(result.readdirplus3res_u.resok.cookieverf, 0,
945 sizeof(result.readdirplus3res_u.resok.cookieverf));
947 entryplus3 dirents[MAX_READDIR_DIRENTS];
948 uint64_t fh_bytes[MAX_READDIR_DIRENTS];
952 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
954 /* Perform a prefetch pass on inodes: for all the inodes we think we will
955 * return information about, try to load each one but don't wait. This
956 * should let multiple inodes be fetched in parallel, instead of
957 * sequentially in the loop that follows. */
958 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
959 while (count < MAX_READDIR_DIRENTS
960 && !g_sequence_iter_is_end(i)
961 && dircount <= argp->dircount
962 && dircount + attrcount <= argp->maxcount)
964 BlueSkyDirent *d = g_sequence_get(i);
965 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
967 bluesky_inode_unref(inode);
968 dircount += 24 + ((strlen(d->name) + 3) & ~3);
969 attrcount += 88 + 8 + 8;
970 i = g_sequence_iter_next(i);
973 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
977 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
978 BlueSkyDirent *d = g_sequence_get(i);
979 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
980 g_mutex_lock(inode->lock);
982 dircount += 24 + ((strlen(d->name) + 3) & ~3);
983 attrcount += 88 + 8 + 8;
984 if (dircount > argp->dircount
985 || dircount + attrcount > argp->maxcount)
987 g_mutex_unlock(inode->lock);
988 bluesky_inode_unref(inode);
991 dirents[count].fileid = d->inum;
992 dirents[count].name = d->name;
993 dirents[count].cookie = d->cookie;
994 dirents[count].nextentry = NULL;
995 dirents[count].name_attributes.present = TRUE;
996 encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
997 fh_bytes[count] = GUINT64_TO_BE(d->inum);
998 dirents[count].name_handle.present = TRUE;
999 dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
1000 dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
1001 = (char *)&fh_bytes[count];
1003 dirents[count - 1].nextentry = &dirents[count];
1005 g_mutex_unlock(inode->lock);
1006 bluesky_inode_unref(inode);
1008 i = g_sequence_iter_next(i);
1012 result.readdirplus3res_u.resok.reply.entries = &dirents[0];
1014 result.readdirplus3res_u.resok.reply.entries = NULL;
1015 result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
1017 g_mutex_unlock(dir->lock);
1018 async_rpc_send_reply(req, &result);
1021 void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
1024 memset(&result, 0, sizeof(result));
1026 BlueSkyInode *inode = lookup_fh(req, argp);
1027 if (inode == NULL) {
1028 result.status = NFS3ERR_STALE;
1029 result.fsstat3res_u.resfail.present = FALSE;
1030 async_rpc_send_reply(req, &result);
1033 g_mutex_lock(inode->lock);
1035 result.status = NFS3_OK;
1036 result.fsstat3res_u.resok.obj_attributes.present = TRUE;
1037 encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1039 result.fsstat3res_u.resok.tbytes = (1 << 30);
1040 result.fsstat3res_u.resok.fbytes = (1 << 30);
1041 result.fsstat3res_u.resok.abytes = (1 << 30);
1042 result.fsstat3res_u.resok.tfiles = 0;
1043 result.fsstat3res_u.resok.ffiles = 0;
1044 result.fsstat3res_u.resok.afiles = 0;
1045 result.fsstat3res_u.resok.invarsec = 0;
1047 g_mutex_unlock(inode->lock);
1048 async_rpc_send_reply(req, &result);
1051 void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
1054 memset(&result, 0, sizeof(result));
1056 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1057 g_mutex_lock(inode->lock);
1058 result.status = NFS3_OK;
1059 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
1060 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1061 result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
1062 result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
1063 result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
1064 result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
1065 result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
1066 result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
1067 result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
1068 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
1069 result.fsinfo3res_u.resok.time_delta.seconds = 0;
1070 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
1071 result.fsinfo3res_u.resok.properties
1072 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
1074 g_mutex_unlock(inode->lock);
1075 bluesky_inode_unref(inode);
1076 async_rpc_send_reply(req, &result);
1079 void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
1081 pathconf3res result;
1082 memset(&result, 0, sizeof(result));
1084 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1085 g_mutex_lock(inode->lock);
1086 result.status = NFS3_OK;
1087 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
1088 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1089 result.pathconf3res_u.resok.linkmax = 0xffffffff;
1090 result.pathconf3res_u.resok.name_max = 255;
1091 result.pathconf3res_u.resok.no_trunc = TRUE;
1092 result.pathconf3res_u.resok.chown_restricted = TRUE;
1093 result.pathconf3res_u.resok.case_insensitive = FALSE;
1094 result.pathconf3res_u.resok.case_preserving = TRUE;
1096 g_mutex_unlock(inode->lock);
1097 bluesky_inode_unref(inode);
1098 async_rpc_send_reply(req, &result);
1101 void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
1104 memset(&result, 0, sizeof(result));
1106 result.status = NFS3_OK;
1108 BlueSkyInode *inode = lookup_fh(req, &argp->file);
1109 if (inode == NULL) {
1110 result.status = NFS3ERR_STALE;
1111 async_rpc_send_reply(req, &result);
1115 g_mutex_lock(inode->lock);
1116 encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
1118 bluesky_inode_do_sync(inode);
1120 result.commit3res_u.resok.file_wcc.after.present = TRUE;
1121 encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
1123 g_mutex_unlock(inode->lock);
1125 async_rpc_send_reply(req, &result);