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 bluesky_inode_do_sync(inode);
213 g_mutex_unlock(inode->lock);
214 async_rpc_send_reply(req, &result);
217 void nfsproc3_lookup_3_svc(diropargs3 *argp, RPCRequest *req)
220 memset(&result, 0, sizeof(result));
222 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
224 result.status = NFS3ERR_STALE;
225 result.lookup3res_u.resfail.present = FALSE;
226 async_rpc_send_reply(req, &result);
230 g_mutex_lock(dir->lock);
231 result.lookup3res_u.resfail.present = TRUE;
232 encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
233 if (!validate_filename(argp->name)) {
234 if (strlen(argp->name) > 255)
235 result.status = NFS3ERR_NAMETOOLONG;
237 result.status = NFS3ERR_NOENT;
238 g_mutex_unlock(dir->lock);
239 async_rpc_send_reply(req, &result);
243 /* TODO: Special-case "." and "..". */
244 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
246 result.status = NFS3ERR_NOENT;
247 g_mutex_unlock(dir->lock);
248 async_rpc_send_reply(req, &result);
252 result.lookup3res_u.resok.dir_attributes.present = TRUE;
253 encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
254 g_mutex_unlock(dir->lock);
256 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
258 result.status = NFS3ERR_NOENT;
259 async_rpc_send_reply(req, &result);
262 g_mutex_lock(inode->lock);
263 schedule_inode_unref(req, inode);
265 result.status = NFS3_OK;
266 result.lookup3res_u.resok.obj_attributes.present = TRUE;
267 encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
270 fh_bytes = GUINT64_TO_BE(inum);
271 result.lookup3res_u.resok.object.data.data_len = 8;
272 result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
274 g_mutex_unlock(inode->lock);
275 async_rpc_send_reply(req, &result);
278 void nfsproc3_access_3_svc(access3args *argp, RPCRequest *req)
281 memset(&result, 0, sizeof(result));
283 BlueSkyInode *inode = lookup_fh(req, &argp->object);
285 result.status = NFS3ERR_STALE;
286 result.access3res_u.resfail.present = FALSE;
287 async_rpc_send_reply(req, &result);
291 g_mutex_lock(inode->lock);
292 result.status = NFS3_OK;
293 result.access3res_u.resok.obj_attributes.present = TRUE;
294 encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
295 result.access3res_u.resok.access = argp->access;
296 g_mutex_unlock(inode->lock);
298 async_rpc_send_reply(req, &result);
301 void nfsproc3_readlink_3_svc(nfs_fh3 *argp, RPCRequest *req)
304 memset(&result, 0, sizeof(result));
306 BlueSkyInode *inode = lookup_fh(req, argp);
308 g_mutex_lock(inode->lock);
309 if (inode->type == BLUESKY_SYMLINK) {
310 result.status = NFS3_OK;
311 result.readlink3res_u.resok.symlink_attributes.present = TRUE;
312 encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
313 result.readlink3res_u.resok.data = inode->symlink_contents;
315 result.status = NFS3ERR_INVAL;
316 result.readlink3res_u.resfail.present = TRUE;
317 encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
319 g_mutex_unlock(inode->lock);
321 result.status = NFS3ERR_STALE;
324 async_rpc_send_reply(req, &result);
327 void nfsproc3_read_3_svc(read3args *argp, RPCRequest *req)
330 memset(&result, 0, sizeof(result));
331 char buf[NFS_MAXSIZE];
333 bluesky_flushd_invoke_conditional(fs);
335 BlueSkyInode *inode = lookup_fh(req, &argp->file);
337 result.status = NFS3ERR_STALE;
338 result.read3res_u.resfail.present = FALSE;
339 async_rpc_send_reply(req, &result);
343 g_mutex_lock(inode->lock);
345 int count = argp->count;
346 if (argp->offset >= inode->size) {
348 result.read3res_u.resok.eof = TRUE;
350 count = MIN(count, NFS_MAXSIZE);
351 count = MIN(count, inode->size - argp->offset);
352 if (argp->offset + count == inode->size)
353 result.read3res_u.resok.eof = TRUE;
355 result.read3res_u.resok.eof = FALSE;
357 bluesky_file_read(inode, argp->offset, buf, count);
360 result.status = NFS3_OK;
361 result.read3res_u.resok.file_attributes.present = TRUE;
362 encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
363 result.read3res_u.resok.count = count;
364 result.read3res_u.resok.data.data_val = buf;
365 result.read3res_u.resok.data.data_len = count;
367 g_mutex_unlock(inode->lock);
369 async_rpc_send_reply(req, &result);
372 void nfsproc3_write_3_svc(write3args *argp, RPCRequest *req)
375 memset(&result, 0, sizeof(result));
377 memset(&wcc, 0, sizeof(wcc));
379 bluesky_flushd_invoke_conditional(fs);
381 BlueSkyInode *inode = lookup_fh(req, &argp->file);
383 result.status = NFS3ERR_STALE;
384 result.write3res_u.resfail = wcc;
385 async_rpc_send_reply(req, &result);
390 /* FIXME: Hack to throttle writes when there is too much dirty data still
391 * to be written out. */
392 while (g_atomic_int_get(&fs->cache_dirty) > 4096
393 || g_atomic_int_get(&fs->cache_total) > 8192) {
394 g_print("Too many dirty pages (%d) or total pages (%d); throttling writes...\n",
395 g_atomic_int_get(&fs->cache_dirty),
396 g_atomic_int_get(&fs->cache_total));
397 struct timespec delay;
400 nanosleep(&delay, NULL);
404 g_mutex_lock(inode->lock);
406 encode_pre_wcc(&wcc, inode);
407 if (inode->type != BLUESKY_REGULAR) {
408 result.status = NFS3ERR_INVAL;
409 result.write3res_u.resfail = wcc;
410 g_mutex_unlock(inode->lock);
411 async_rpc_send_reply(req, &result);
415 uint64_t lastbyte = argp->offset + argp->count;
416 if (lastbyte > inode->size) {
417 bluesky_file_truncate(inode, lastbyte);
420 if (argp->data.data_len < argp->count) {
423 bluesky_file_write(inode, argp->offset,
424 argp->data.data_val, argp->count);
427 wcc.after.present = TRUE;
428 encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
429 result.write3res_u.resok.file_wcc = wcc;
430 result.write3res_u.resok.count = argp->count;
431 result.write3res_u.resok.committed = FILE_SYNC;
433 bluesky_inode_do_sync(inode);
434 g_mutex_unlock(inode->lock);
436 async_rpc_send_reply(req, &result);
439 void nfsproc3_create_3_svc(create3args *argp, RPCRequest *req)
442 memset(&result, 0, sizeof(result));
444 memset(&wcc, 0, sizeof(wcc));
446 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
448 result.status = NFS3ERR_STALE;
449 result.diropres3_u.resfail = wcc;
450 async_rpc_send_reply(req, &result);
454 g_mutex_lock(dir->lock);
456 encode_pre_wcc(&wcc, dir);
457 if (dir->type != BLUESKY_DIRECTORY) {
458 result.status = NFS3ERR_NOTDIR;
459 result.diropres3_u.resfail = wcc;
460 g_mutex_unlock(dir->lock);
461 async_rpc_send_reply(req, &result);
465 if (!validate_filename(argp->where.name)
466 || strcmp(argp->where.name, ".") == 0
467 || strcmp(argp->where.name, "..") == 0)
469 result.status = NFS3ERR_EXIST;
470 result.diropres3_u.resfail = wcc;
471 g_mutex_unlock(dir->lock);
472 async_rpc_send_reply(req, &result);
476 g_mutex_lock(fs->lock);
478 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
481 int64_t time = bluesky_get_current_time();
486 g_mutex_lock(file->lock);
487 bluesky_insert_inode(fs, file);
488 g_mutex_unlock(fs->lock);
489 bluesky_directory_insert(dir, argp->where.name, file->inum);
491 bluesky_inode_update_ctime(dir, TRUE);
493 wcc.after.present = TRUE;
494 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
495 result.diropres3_u.resok.obj_attributes.present = TRUE;
496 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
497 result.diropres3_u.resok.dir_wcc = wcc;
500 fh_bytes = GUINT64_TO_BE(file->inum);
501 result.diropres3_u.resok.obj.present = TRUE;
502 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
503 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
505 bluesky_inode_do_sync(file);
506 bluesky_inode_do_sync(dir);
507 g_mutex_unlock(file->lock);
508 g_mutex_unlock(dir->lock);
510 async_rpc_send_reply(req, &result);
513 void nfsproc3_mkdir_3_svc(mkdir3args *argp, RPCRequest *req)
516 memset(&result, 0, sizeof(result));
518 memset(&wcc, 0, sizeof(wcc));
520 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
522 result.status = NFS3ERR_STALE;
523 result.diropres3_u.resfail = wcc;
524 async_rpc_send_reply(req, &result);
528 g_mutex_lock(dir->lock);
530 encode_pre_wcc(&wcc, dir);
531 if (dir->type != BLUESKY_DIRECTORY) {
532 result.status = NFS3ERR_NOTDIR;
533 result.diropres3_u.resfail = wcc;
534 g_mutex_unlock(dir->lock);
535 async_rpc_send_reply(req, &result);
539 if (!validate_filename(argp->where.name)
540 || strcmp(argp->where.name, ".") == 0
541 || strcmp(argp->where.name, "..") == 0)
543 result.status = NFS3ERR_EXIST;
544 result.diropres3_u.resfail = wcc;
545 g_mutex_unlock(dir->lock);
546 async_rpc_send_reply(req, &result);
550 g_mutex_lock(fs->lock);
552 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
555 int64_t time = bluesky_get_current_time();
560 g_mutex_lock(file->lock);
561 bluesky_insert_inode(fs, file);
562 g_mutex_unlock(fs->lock);
563 bluesky_directory_insert(dir, argp->where.name, file->inum);
564 set_attributes(file, &argp->attributes);
566 bluesky_inode_update_ctime(dir, TRUE);
568 wcc.after.present = TRUE;
569 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
570 result.diropres3_u.resok.obj_attributes.present = TRUE;
571 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
572 result.diropres3_u.resok.dir_wcc = wcc;
575 fh_bytes = GUINT64_TO_BE(file->inum);
576 result.diropres3_u.resok.obj.present = TRUE;
577 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
578 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
580 bluesky_inode_do_sync(file);
581 bluesky_inode_do_sync(dir);
582 g_mutex_unlock(file->lock);
583 g_mutex_unlock(dir->lock);
584 async_rpc_send_reply(req, &result);
587 void nfsproc3_symlink_3_svc(symlink3args *argp, RPCRequest *req)
590 memset(&result, 0, sizeof(result));
592 memset(&wcc, 0, sizeof(wcc));
594 BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
596 result.status = NFS3ERR_STALE;
597 result.diropres3_u.resfail = wcc;
598 async_rpc_send_reply(req, &result);
601 g_mutex_lock(dir->lock);
603 encode_pre_wcc(&wcc, dir);
604 if (dir->type != BLUESKY_DIRECTORY) {
605 result.status = NFS3ERR_NOTDIR;
606 result.diropres3_u.resfail = wcc;
607 g_mutex_unlock(dir->lock);
608 async_rpc_send_reply(req, &result);
612 if (!validate_filename(argp->where.name)
613 || strcmp(argp->where.name, ".") == 0
614 || strcmp(argp->where.name, "..") == 0)
616 result.status = NFS3ERR_EXIST;
617 result.diropres3_u.resfail = wcc;
618 g_mutex_unlock(dir->lock);
619 async_rpc_send_reply(req, &result);
623 g_mutex_lock(fs->lock);
625 file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
628 int64_t time = bluesky_get_current_time();
633 file->symlink_contents = g_strdup(argp->symlink.symlink_data);
634 g_mutex_lock(file->lock);
635 bluesky_insert_inode(fs, file);
636 g_mutex_unlock(fs->lock);
637 bluesky_directory_insert(dir, argp->where.name, file->inum);
639 bluesky_inode_update_ctime(dir, TRUE);
641 wcc.after.present = TRUE;
642 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
643 result.diropres3_u.resok.obj_attributes.present = TRUE;
644 encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
645 result.diropres3_u.resok.dir_wcc = wcc;
648 fh_bytes = GUINT64_TO_BE(file->inum);
649 result.diropres3_u.resok.obj.present = TRUE;
650 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
651 result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
653 bluesky_inode_do_sync(file);
654 bluesky_inode_do_sync(dir);
655 g_mutex_unlock(file->lock);
656 g_mutex_unlock(dir->lock);
657 async_rpc_send_reply(req, &result);
660 void nfsproc3_mknod_3_svc(mknod3args *argp, RPCRequest *req)
663 memset(&result, 0, sizeof(result));
665 result.status = NFS3ERR_NOTSUPP;
667 async_rpc_send_reply(req, &result);
670 void nfsproc3_remove_3_svc(diropargs3 *argp, RPCRequest *req)
673 memset(&result, 0, sizeof(result));
675 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
677 result.status = NFS3ERR_STALE;
678 async_rpc_send_reply(req, &result);
682 g_mutex_lock(dir->lock);
684 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
686 if (!validate_filename(argp->name)
687 || strcmp(argp->name, ".") == 0
688 || strcmp(argp->name, "..") == 0)
690 result.status = NFS3ERR_NOENT;
691 g_mutex_unlock(dir->lock);
692 async_rpc_send_reply(req, &result);
696 /* TODO: Decrement link count, deallocate inode if needed. */
698 bluesky_directory_remove(dir, argp->name);
700 result.status = NFS3_OK;
701 result.wccstat3_u.wcc.after.present = TRUE;
702 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
705 bluesky_inode_do_sync(dir);
706 g_mutex_unlock(dir->lock);
707 async_rpc_send_reply(req, &result);
710 void nfsproc3_rmdir_3_svc(diropargs3 *argp, RPCRequest *req)
713 memset(&result, 0, sizeof(result));
715 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
717 result.status = NFS3ERR_STALE;
718 async_rpc_send_reply(req, &result);
722 g_mutex_lock(dir->lock);
724 encode_pre_wcc(&result.wccstat3_u.wcc, dir);
726 if (!validate_filename(argp->name)
727 || strcmp(argp->name, ".") == 0
728 || strcmp(argp->name, "..") == 0)
730 result.status = NFS3ERR_NOENT;
731 g_mutex_unlock(dir->lock);
732 async_rpc_send_reply(req, &result);
736 uint64_t inum = bluesky_directory_lookup(dir, argp->name);
737 BlueSkyInode *inode = bluesky_get_inode(fs, inum);
739 result.status = NFS3ERR_NOENT;
740 g_mutex_unlock(dir->lock);
741 async_rpc_send_reply(req, &result);
744 g_mutex_lock(inode->lock);
745 schedule_inode_unref(req, inode);
747 if (inode->type != BLUESKY_DIRECTORY) {
748 result.status = NFS3ERR_NOTDIR;
749 g_mutex_unlock(inode->lock);
750 g_mutex_unlock(dir->lock);
751 async_rpc_send_reply(req, &result);
754 if (g_sequence_get_length(inode->dirents) > 0) {
755 printf("Directory not empty: %d entries\n",
756 g_sequence_get_length(inode->dirents));
757 result.status = NFS3ERR_NOTEMPTY;
758 g_mutex_unlock(inode->lock);
759 g_mutex_unlock(dir->lock);
760 async_rpc_send_reply(req, &result);
764 /* TODO: Decrement link count, deallocate inode if needed. */
766 bluesky_directory_remove(dir, argp->name);
768 result.status = NFS3_OK;
769 result.wccstat3_u.wcc.after.present = TRUE;
770 encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
773 bluesky_inode_do_sync(dir);
774 bluesky_inode_do_sync(inode);
775 g_mutex_unlock(inode->lock);
776 g_mutex_unlock(dir->lock);
777 async_rpc_send_reply(req, &result);
780 void nfsproc3_rename_3_svc(rename3args *argp, RPCRequest *req)
783 memset(&result, 0, sizeof(result));
784 wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
785 wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
787 BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
789 result.status = NFS3ERR_STALE;
790 async_rpc_send_reply(req, &result);
794 BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
796 result.status = NFS3ERR_STALE;
797 async_rpc_send_reply(req, &result);
801 if (dir1->inum < dir2->inum) {
802 g_mutex_lock(dir1->lock);
803 g_mutex_lock(dir2->lock);
804 } else if (dir1->inum > dir2->inum) {
805 g_mutex_lock(dir2->lock);
806 g_mutex_lock(dir1->lock);
808 encode_pre_wcc(wcc1, dir1);
809 encode_pre_wcc(wcc2, dir1);
811 gboolean status = bluesky_rename(dir1, argp->from.name,
815 wcc1->after.present = TRUE;
816 encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
817 wcc2->after.present = TRUE;
818 encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
820 result.status = NFS3_OK;
822 result.status = NFS3ERR_PERM;
824 bluesky_inode_do_sync(dir2);
825 bluesky_inode_do_sync(dir1);
827 g_mutex_unlock(dir1->lock);
828 if (dir1->inum != dir2->inum)
829 g_mutex_unlock(dir2->lock);
830 async_rpc_send_reply(req, &result);
833 void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
836 memset(&result, 0, sizeof(result));
838 memset(&wcc, 0, sizeof(wcc));
840 BlueSkyInode *inode = lookup_fh(req, &argp->file);
842 result.status = NFS3ERR_STALE;
843 result.link3res_u.res.linkdir_wcc = wcc;
844 async_rpc_send_reply(req, &result);
847 g_mutex_lock(inode->lock);
849 BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
851 result.status = NFS3ERR_STALE;
852 result.link3res_u.res.linkdir_wcc = wcc;
853 g_mutex_unlock(inode->lock);
854 async_rpc_send_reply(req, &result);
857 g_mutex_lock(dir->lock);
859 encode_pre_wcc(&wcc, dir);
860 if (dir->type != BLUESKY_DIRECTORY) {
861 result.status = NFS3ERR_NOTDIR;
862 result.link3res_u.res.linkdir_wcc = wcc;
863 g_mutex_unlock(inode->lock);
864 g_mutex_unlock(dir->lock);
865 async_rpc_send_reply(req, &result);
869 if (!validate_filename(argp->link.name)
870 || strcmp(argp->link.name, ".") == 0
871 || strcmp(argp->link.name, "..") == 0
872 || bluesky_directory_lookup(dir, argp->link.name) != 0)
874 result.status = NFS3ERR_EXIST;
875 result.link3res_u.res.linkdir_wcc = wcc;
876 g_mutex_unlock(inode->lock);
877 g_mutex_unlock(dir->lock);
878 async_rpc_send_reply(req, &result);
882 if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
883 result.status = NFS3ERR_EXIST;
884 result.link3res_u.res.linkdir_wcc = wcc;
885 g_mutex_unlock(inode->lock);
886 g_mutex_unlock(dir->lock);
887 async_rpc_send_reply(req, &result);
891 bluesky_inode_update_ctime(inode, FALSE);
892 bluesky_inode_update_ctime(dir, TRUE);
894 result.status = NFS3_OK;
895 wcc.after.present = TRUE;
896 encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
897 result.link3res_u.res.file_attributes.present = TRUE;
898 encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
899 result.link3res_u.res.linkdir_wcc = wcc;
901 bluesky_inode_do_sync(inode);
902 bluesky_inode_do_sync(dir);
903 g_mutex_unlock(inode->lock);
904 g_mutex_unlock(dir->lock);
905 async_rpc_send_reply(req, &result);
908 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
911 #define MAX_READDIR_DIRENTS 64
912 void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
915 memset(&result, 0, sizeof(result));
917 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
919 result.status = NFS3ERR_STALE;
920 result.readdir3res_u.resfail.present = FALSE;
921 async_rpc_send_reply(req, &result);
924 g_mutex_lock(dir->lock);
926 result.status = NFS3_OK;
927 result.readdir3res_u.resok.dir_attributes.present = TRUE;
928 encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
929 memset(result.readdir3res_u.resok.cookieverf, 0,
930 sizeof(result.readdir3res_u.resok.cookieverf));
932 entry3 dirents[MAX_READDIR_DIRENTS];
935 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
936 GSequenceIter *i = g_sequence_search(dir->dirents, &start,
937 bluesky_dirent_compare, NULL);
939 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
940 BlueSkyDirent *d = g_sequence_get(i);
941 dirents[count].fileid = d->inum;
942 dirents[count].name = d->name;
943 dirents[count].cookie = d->cookie;
944 dirents[count].nextentry = NULL;
946 dirents[count - 1].nextentry = &dirents[count];
947 i = g_sequence_iter_next(i);
952 result.readdir3res_u.resok.reply.entries = &dirents[0];
954 result.readdir3res_u.resok.reply.entries = NULL;
955 result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
957 g_mutex_unlock(dir->lock);
958 async_rpc_send_reply(req, &result);
961 void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
963 /* XDR-encoded sizes:
964 * post_op_attr: 88 bytes
965 * base readdirplus3resok: 88 + 16 bytes
966 * base directory entry: 24 bytes + filename
967 * attributes/fh3: 88 + 8 + filehandle size
969 size_t dircount = 88 + 16, attrcount = 0;
970 readdirplus3res result;
971 memset(&result, 0, sizeof(result));
973 BlueSkyInode *dir = lookup_fh(req, &argp->dir);
975 result.status = NFS3ERR_STALE;
976 result.readdirplus3res_u.resfail.present = FALSE;
977 async_rpc_send_reply(req, &result);
980 g_mutex_lock(dir->lock);
982 result.status = NFS3_OK;
983 result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
984 encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
985 memset(result.readdirplus3res_u.resok.cookieverf, 0,
986 sizeof(result.readdirplus3res_u.resok.cookieverf));
988 entryplus3 dirents[MAX_READDIR_DIRENTS];
989 uint64_t fh_bytes[MAX_READDIR_DIRENTS];
993 BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
995 /* Perform a prefetch pass on inodes: for all the inodes we think we will
996 * return information about, try to load each one but don't wait. This
997 * should let multiple inodes be fetched in parallel, instead of
998 * sequentially in the loop that follows. */
999 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
1000 while (count < MAX_READDIR_DIRENTS
1001 && !g_sequence_iter_is_end(i)
1002 && dircount <= argp->dircount
1003 && dircount + attrcount <= argp->maxcount)
1005 BlueSkyDirent *d = g_sequence_get(i);
1006 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
1008 bluesky_inode_unref(inode);
1009 dircount += 24 + ((strlen(d->name) + 3) & ~3);
1010 attrcount += 88 + 8 + 8;
1011 i = g_sequence_iter_next(i);
1014 i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
1018 while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
1019 BlueSkyDirent *d = g_sequence_get(i);
1020 BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
1021 if (inode != NULL) {
1022 g_mutex_lock(inode->lock);
1023 dircount += 24 + ((strlen(d->name) + 3) & ~3);
1024 attrcount += 88 + 8 + 8;
1025 if (dircount > argp->dircount
1026 || dircount + attrcount > argp->maxcount)
1028 g_mutex_unlock(inode->lock);
1029 bluesky_inode_unref(inode);
1032 dirents[count].fileid = d->inum;
1033 dirents[count].name = d->name;
1034 dirents[count].cookie = d->cookie;
1035 dirents[count].nextentry = NULL;
1036 dirents[count].name_attributes.present = TRUE;
1037 encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
1038 fh_bytes[count] = GUINT64_TO_BE(d->inum);
1039 dirents[count].name_handle.present = TRUE;
1040 dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
1041 dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
1042 = (char *)&fh_bytes[count];
1044 dirents[count - 1].nextentry = &dirents[count];
1046 g_mutex_unlock(inode->lock);
1047 bluesky_inode_unref(inode);
1049 i = g_sequence_iter_next(i);
1053 result.readdirplus3res_u.resok.reply.entries = &dirents[0];
1055 result.readdirplus3res_u.resok.reply.entries = NULL;
1056 result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
1058 g_mutex_unlock(dir->lock);
1059 async_rpc_send_reply(req, &result);
1062 void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
1065 memset(&result, 0, sizeof(result));
1067 BlueSkyInode *inode = lookup_fh(req, argp);
1068 if (inode == NULL) {
1069 result.status = NFS3ERR_STALE;
1070 result.fsstat3res_u.resfail.present = FALSE;
1071 async_rpc_send_reply(req, &result);
1074 g_mutex_lock(inode->lock);
1076 result.status = NFS3_OK;
1077 result.fsstat3res_u.resok.obj_attributes.present = TRUE;
1078 encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1080 result.fsstat3res_u.resok.tbytes = (1 << 30);
1081 result.fsstat3res_u.resok.fbytes = (1 << 30);
1082 result.fsstat3res_u.resok.abytes = (1 << 30);
1083 result.fsstat3res_u.resok.tfiles = 0;
1084 result.fsstat3res_u.resok.ffiles = 0;
1085 result.fsstat3res_u.resok.afiles = 0;
1086 result.fsstat3res_u.resok.invarsec = 0;
1088 g_mutex_unlock(inode->lock);
1089 async_rpc_send_reply(req, &result);
1092 void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
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.fsinfo3res_u.resok.obj_attributes.present = TRUE;
1101 encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1102 result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
1103 result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
1104 result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
1105 result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
1106 result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
1107 result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
1108 result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
1109 result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
1110 result.fsinfo3res_u.resok.time_delta.seconds = 0;
1111 result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
1112 result.fsinfo3res_u.resok.properties
1113 = FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
1115 g_mutex_unlock(inode->lock);
1116 bluesky_inode_unref(inode);
1117 async_rpc_send_reply(req, &result);
1120 void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
1122 pathconf3res result;
1123 memset(&result, 0, sizeof(result));
1125 BlueSkyInode *inode = bluesky_get_inode(fs, 1);
1126 g_mutex_lock(inode->lock);
1127 result.status = NFS3_OK;
1128 result.pathconf3res_u.resok.obj_attributes.present = TRUE;
1129 encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
1130 result.pathconf3res_u.resok.linkmax = 0xffffffff;
1131 result.pathconf3res_u.resok.name_max = 255;
1132 result.pathconf3res_u.resok.no_trunc = TRUE;
1133 result.pathconf3res_u.resok.chown_restricted = TRUE;
1134 result.pathconf3res_u.resok.case_insensitive = FALSE;
1135 result.pathconf3res_u.resok.case_preserving = TRUE;
1137 g_mutex_unlock(inode->lock);
1138 bluesky_inode_unref(inode);
1139 async_rpc_send_reply(req, &result);
1142 void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
1145 memset(&result, 0, sizeof(result));
1147 result.status = NFS3_OK;
1149 BlueSkyInode *inode = lookup_fh(req, &argp->file);
1150 if (inode == NULL) {
1151 result.status = NFS3ERR_STALE;
1152 async_rpc_send_reply(req, &result);
1156 g_mutex_lock(inode->lock);
1157 encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
1159 bluesky_inode_do_sync(inode);
1161 result.commit3res_u.resok.file_wcc.after.present = TRUE;
1162 encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
1164 g_mutex_unlock(inode->lock);
1166 async_rpc_send_reply(req, &result);