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);
757 g_mutex_lock(dir1->lock);
758 encode_pre_wcc(wcc1, dir1);
760 BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
762 result.status = NFS3ERR_STALE;
763 g_mutex_unlock(dir1->lock);
764 async_rpc_send_reply(req, &result);
767 g_mutex_lock(dir2->lock);
768 encode_pre_wcc(wcc2, dir1);
770 gboolean status = bluesky_rename(dir1, argp->from.name,
774 wcc1->after.present = TRUE;
775 encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
776 wcc2->after.present = TRUE;
777 encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
779 result.status = NFS3_OK;
781 result.status = NFS3ERR_PERM;
783 g_mutex_unlock(dir2->lock);
784 g_mutex_unlock(dir1->lock);
785 async_rpc_send_reply(req, &result);
788 void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
791 memset(&result, 0, sizeof(result));
793 memset(&wcc, 0, sizeof(wcc));
795 BlueSkyInode *inode = lookup_fh(req, &argp->file);
797 result.status = NFS3ERR_STALE;
798 result.link3res_u.res.linkdir_wcc = wcc;
799 async_rpc_send_reply(req, &result);
802 g_mutex_lock(inode->lock);
804 BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
806 result.status = NFS3ERR_STALE;
807 result.link3res_u.res.linkdir_wcc = wcc;
808 g_mutex_unlock(inode->lock);
809 async_rpc_send_reply(req, &result);
812 g_mutex_lock(dir->lock);
814 encode_pre_wcc(&wcc, dir);
815 if (dir->type != BLUESKY_DIRECTORY) {
816 result.status = NFS3ERR_NOTDIR;
817 result.link3res_u.res.linkdir_wcc = wcc;
818 g_mutex_unlock(inode->lock);
819 g_mutex_unlock(dir->lock);
820 async_rpc_send_reply(req, &result);
824 if (!validate_filename(argp->link.name)
825 || strcmp(argp->link.name, ".") == 0
826 || strcmp(argp->link.name, "..") == 0
827 || bluesky_directory_lookup(dir, argp->link.name) != 0)
829 result.status = NFS3ERR_EXIST;
830 result.link3res_u.res.linkdir_wcc = wcc;
831 g_mutex_unlock(inode->lock);
832 g_mutex_unlock(dir->lock);
833 async_rpc_send_reply(req, &result);
837 if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
838 result.status = NFS3ERR_EXIST;
839 result.link3res_u.res.linkdir_wcc = wcc;
840 g_mutex_unlock(inode->lock);
841 g_mutex_unlock(dir->lock);
842 async_rpc_send_reply(req, &result);
846 bluesky_inode_update_ctime(inode, FALSE);
847 bluesky_inode_update_ctime(dir, TRUE);
849 result.status = NFS3_OK;
850 wcc.after.present = TRUE;
851 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
852 result.link3res_u.res.file_attributes.present = TRUE;
853 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
854 result.link3res_u.res.linkdir_wcc = wcc;
856 g_mutex_unlock(inode->lock);
857 g_mutex_unlock(dir->lock);
858 async_rpc_send_reply(req, &result);
861 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
864 #define MAX_READDIR_DIRENTS 64
865 void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
868 memset(&result, 0, sizeof(result));
870 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
872 result.status = NFS3ERR_STALE;
873 result.readdir3res_u.resfail.present = FALSE;
874 async_rpc_send_reply(req, &result);
877 g_mutex_lock(dir->lock);
879 result.status = NFS3_OK;
880 result.readdir3res_u.resok.dir_attributes.present = TRUE;
881 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
882 memset(result.readdir3res_u.resok.cookieverf, 0,
883 sizeof(result.readdir3res_u.resok.cookieverf));
885 entry3 dirents[MAX_READDIR_DIRENTS];
888 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
889 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
890 bluesky_dirent_compare, NULL);
892 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
893 BlueSkyDirent *d = g_sequence_get(i);
894 dirents[count].fileid = d->inum;
895 dirents[count].name = d->name;
896 dirents[count].cookie = d->cookie;
897 dirents[count].nextentry = NULL;
899 dirents[count - 1].nextentry = &dirents[count];
900 i = g_sequence_iter_next(i);
905 result.readdir3res_u.resok.reply.entries = &dirents[0];
907 result.readdir3res_u.resok.reply.entries = NULL;
908 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
910 g_mutex_unlock(dir->lock);
911 async_rpc_send_reply(req, &result);
914 void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
916 /* XDR-encoded sizes:
917 * post_op_attr: 88 bytes
918 * base readdirplus3resok: 88 + 16 bytes
919 * base directory entry: 24 bytes + filename
920 * attributes/fh3: 88 + 8 + filehandle size
922 size_t dircount = 88 + 16, attrcount = 0;
923 readdirplus3res result;
924 memset(&result, 0, sizeof(result));
926 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
928 result.status = NFS3ERR_STALE;
929 result.readdirplus3res_u.resfail.present = FALSE;
930 async_rpc_send_reply(req, &result);
933 g_mutex_lock(dir->lock);
935 result.status = NFS3_OK;
936 result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
937 encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
938 memset(result.readdirplus3res_u.resok.cookieverf, 0,
939 sizeof(result.readdirplus3res_u.resok.cookieverf));
941 entryplus3 dirents[MAX_READDIR_DIRENTS];
942 uint64_t fh_bytes[MAX_READDIR_DIRENTS];
946 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
948 /* Perform a prefetch pass on inodes: for all the inodes we think we will
949 * return information about, try to load each one but don't wait. This
950 * should let multiple inodes be fetched in parallel, instead of
951 * sequentially in the loop that follows. */
952 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
953 while (count < MAX_READDIR_DIRENTS
954 && !g_sequence_iter_is_end(i)
955 && dircount <= argp->dircount
956 && dircount + attrcount <= argp->maxcount)
958 BlueSkyDirent *d = g_sequence_get(i);
959 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
961 bluesky_inode_unref(inode);
962 dircount += 24 + ((strlen(d->name) + 3) & ~3);
963 attrcount += 88 + 8 + 8;
964 i = g_sequence_iter_next(i);
967 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
971 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
972 BlueSkyDirent *d = g_sequence_get(i);
973 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
974 g_mutex_lock(inode->lock);
976 dircount += 24 + ((strlen(d->name) + 3) & ~3);
977 attrcount += 88 + 8 + 8;
978 if (dircount > argp->dircount
979 || dircount + attrcount > argp->maxcount)
981 g_mutex_unlock(inode->lock);
982 bluesky_inode_unref(inode);
985 dirents[count].fileid = d->inum;
986 dirents[count].name = d->name;
987 dirents[count].cookie = d->cookie;
988 dirents[count].nextentry = NULL;
989 dirents[count].name_attributes.present = TRUE;
990 encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
991 fh_bytes[count] = GUINT64_TO_BE(d->inum);
992 dirents[count].name_handle.present = TRUE;
993 dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
994 dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
995 = (char *)&fh_bytes[count];
997 dirents[count - 1].nextentry = &dirents[count];
999 g_mutex_unlock(inode->lock);
1000 bluesky_inode_unref(inode);
1002 i = g_sequence_iter_next(i);
1006 result.readdirplus3res_u.resok.reply.entries = &dirents[0];
1008 result.readdirplus3res_u.resok.reply.entries = NULL;
1009 result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
1011 g_mutex_unlock(dir->lock);
1012 async_rpc_send_reply(req, &result);
1015 void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
1018 memset(&result, 0, sizeof(result));
1020 BlueSkyInode *inode = lookup_fh(req, argp);
1021 if (inode == NULL) {
1022 result.status = NFS3ERR_STALE;
1023 result.fsstat3res_u.resfail.present = FALSE;
1024 async_rpc_send_reply(req, &result);
1027 g_mutex_lock(inode->lock);
1029 result.status = NFS3_OK;
1030 result.fsstat3res_u.resok.obj_attributes.present = TRUE;
1031 encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1033 result.fsstat3res_u.resok.tbytes = (1 << 30);
1034 result.fsstat3res_u.resok.fbytes = (1 << 30);
1035 result.fsstat3res_u.resok.abytes = (1 << 30);
1036 result.fsstat3res_u.resok.tfiles = 0;
1037 result.fsstat3res_u.resok.ffiles = 0;
1038 result.fsstat3res_u.resok.afiles = 0;
1039 result.fsstat3res_u.resok.invarsec = 0;
1041 g_mutex_unlock(inode->lock);
1042 async_rpc_send_reply(req, &result);
1045 void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
1048 memset(&result, 0, sizeof(result));
1050 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1051 g_mutex_lock(inode->lock);
1052 result.status = NFS3_OK;
1053 result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
1054 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1055 result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
1056 result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
1057 result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
1058 result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
1059 result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
1060 result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
1061 result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
1062 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
1063 result.fsinfo3res_u.resok.time_delta.seconds = 0;
1064 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
1065 result.fsinfo3res_u.resok.properties
1066 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
1068 g_mutex_unlock(inode->lock);
1069 bluesky_inode_unref(inode);
1070 async_rpc_send_reply(req, &result);
1073 void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
1075 pathconf3res result;
1076 memset(&result, 0, sizeof(result));
1078 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1079 g_mutex_lock(inode->lock);
1080 result.status = NFS3_OK;
1081 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
1082 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1083 result.pathconf3res_u.resok.linkmax = 0xffffffff;
1084 result.pathconf3res_u.resok.name_max = 255;
1085 result.pathconf3res_u.resok.no_trunc = TRUE;
1086 result.pathconf3res_u.resok.chown_restricted = TRUE;
1087 result.pathconf3res_u.resok.case_insensitive = FALSE;
1088 result.pathconf3res_u.resok.case_preserving = TRUE;
1090 g_mutex_unlock(inode->lock);
1091 bluesky_inode_unref(inode);
1092 async_rpc_send_reply(req, &result);
1095 void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
1098 memset(&result, 0, sizeof(result));
1100 result.status = NFS3ERR_NOTSUPP;
1102 BlueSkyInode *inode = lookup_fh(req, &argp->file);
1103 if (inode == NULL) {
1104 result.status = NFS3ERR_STALE;
1105 async_rpc_send_reply(req, &result);
1109 g_mutex_lock(inode->lock);
1110 encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
1112 bluesky_inode_do_sync(inode);
1114 result.commit3res_u.resok.file_wcc.after.present = TRUE;
1115 encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
1117 g_mutex_unlock(inode->lock);
1119 async_rpc_send_reply(req, &result);