extern BlueSkyFS *fs;
-static int null_int;
-static void *null_result = (void *)&null_int;
+#define NFS_BLOCKSIZE 32768
+#define NFS_MAXSIZE (1 << 20)
+
+/* Check that a string is a valid file name. We require that it be valid
+ * UTF-8, that it not be empty, and that it not contain embedded forward
+ * slashes. Also checks that the length of the string is not more than the
+ * maximum allowed length. This function does allow the names "." and "..".
+ * Returns TRUE if the string is allowed as a filename. */
+gboolean validate_filename(const char *filename)
+{
+ if (filename == NULL || filename[0] == '\0')
+ return FALSE;
+ if (strlen(filename) > 255)
+ return FALSE;
+ if (!g_utf8_validate(filename, -1, NULL))
+ return FALSE;
+ if (strchr(filename, '/') != NULL)
+ return FALSE;
+ return TRUE;
+}
+
+/* Arrange for a reference to an inode to be dropped when the RPC request
+ * completes. */
+void schedule_inode_unref(RPCRequest *req, BlueSkyInode *inode)
+{
+ struct cleanup_list *c = g_new(struct cleanup_list, 1);
+ c->func = (void (*)(void *))bluesky_inode_unref;
+ c->arg = inode;
+ c->next = req->cleanup;
+ req->cleanup = c;
+}
/* Look up a BlueSkyInode given an NFS filehandle. Returns NULL if the
* filehandle is invalid. */
-BlueSkyInode *lookup_fh(nfs_fh3 *fh)
+BlueSkyInode *lookup_fh(RPCRequest *req, nfs_fh3 *fh)
{
BlueSkyInode *inode = NULL;
if (fh->data.data_len == 8) {
uint64_t inum = GUINT64_FROM_BE(*(uint64_t *)(fh->data.data_val));
inode = bluesky_get_inode(fs, inum);
+ if (inode != NULL)
+ schedule_inode_unref(req, inode);
}
return inode;
}
+int64_t decode_nfstime3(nfstime3 *time)
+{
+ int64_t result = (int64_t)time->seconds * 1000000;
+ result += time->nseconds / 1000;
+ return result;
+}
+
+void set_attributes(BlueSkyInode *inode, sattr3 *attributes)
+{
+ int64_t now = bluesky_get_current_time();
+
+ if (attributes->mode.set) {
+ inode->mode = attributes->mode.set_uint32_u.val;
+ }
+
+ if (attributes->uid.set) {
+ inode->uid = attributes->uid.set_uint32_u.val;
+ }
+
+ if (attributes->gid.set) {
+ inode->gid = attributes->gid.set_uint32_u.val;
+ }
+
+ if (attributes->size.set) {
+ if (inode->type == BLUESKY_REGULAR) {
+ bluesky_file_truncate(inode, attributes->size.set_uint64_u.val);
+ inode->mtime = now;
+ }
+ }
+
+ switch (attributes->atime.set) {
+ case DONT_CHANGE:
+ break;
+ case SET_TO_SERVER_TIME:
+ inode->atime = now;
+ break;
+ case SET_TO_CLIENT_TIME:
+ inode->atime = decode_nfstime3(&attributes->atime.set_time_u.time);
+ break;
+ }
+
+ switch (attributes->mtime.set) {
+ case DONT_CHANGE:
+ break;
+ case SET_TO_SERVER_TIME:
+ inode->mtime = now;
+ break;
+ case SET_TO_CLIENT_TIME:
+ inode->mtime = decode_nfstime3(&attributes->mtime.set_time_u.time);
+ break;
+ }
+
+ bluesky_inode_update_ctime(inode, FALSE);
+}
+
/* Copy inode attributes into NFS response. The BlueSkyInode should be locked
* by the caller. */
void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
result->ctime.seconds = inode->ctime / 1000000;
result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
+
+ switch (inode->type) {
+ case BLUESKY_SYMLINK:
+ result->size = strlen(inode->symlink_contents);
+ break;
+ default:
+ break;
+ }
+}
+
+void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
+{
+ wcc->before.present = TRUE;
+ wcc->before.pre_op_attr_u.attributes.size = inode->size;
+ wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
+ wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
+ wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
+ wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
}
-void *
-nfsproc3_null_3_svc(void *argp, struct svc_req *rqstp)
+void nfsproc3_null_3_svc(void *argp, RPCRequest *req)
{
- return null_result;
+ async_rpc_send_reply(req, NULL);
}
-getattr3res *
-nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
+void nfsproc3_getattr_3_svc(nfs_fh3 *argp, RPCRequest *req)
{
- static getattr3res result;
+ getattr3res result;
+ memset(&result, 0, sizeof(result));
- BlueSkyInode *inode = lookup_fh(argp);
+ BlueSkyInode *inode = lookup_fh(req, argp);
if (inode != NULL) {
result.status = NFS3_OK;
+ g_mutex_lock(inode->lock);
encode_fattr3(&result.getattr3res_u.attributes, inode);
+ g_mutex_unlock(inode->lock);
} else {
result.status = NFS3ERR_STALE;
}
- return &result;
+ async_rpc_send_reply(req, &result);
}
-wccstat3 *
-nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
+void nfsproc3_setattr_3_svc(setattr3args *argp, RPCRequest *req)
{
- static wccstat3 result;
+ wccstat3 result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ result.wccstat3_u.wcc.before.present = FALSE;
+ result.wccstat3_u.wcc.after.present = FALSE;
+ BlueSkyInode *inode = lookup_fh(req, &argp->object);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(inode->lock);
+ encode_pre_wcc(&result.wccstat3_u.wcc, inode);
+ if (argp->guard.check) {
+ if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
+ result.status = NFS3ERR_NOT_SYNC;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ }
+
+ set_attributes(inode, &argp->new_attributes);
- return &result;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+ inode);
+ result.status = NFS3_OK;
+
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
}
-lookup3res *
-nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
+void nfsproc3_lookup_3_svc(diropargs3 *argp, RPCRequest *req)
{
- static lookup3res result;
+ lookup3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.lookup3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(dir->lock);
+ result.lookup3res_u.resfail.present = TRUE;
+ encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
+ if (!validate_filename(argp->name)) {
+ if (strlen(argp->name) > 255)
+ result.status = NFS3ERR_NAMETOOLONG;
+ else
+ result.status = NFS3ERR_NOENT;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ /* TODO: Special-case "." and "..". */
+ uint64_t inum = bluesky_directory_lookup(dir, argp->name);
+ if (inum == 0) {
+ result.status = NFS3ERR_NOENT;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ result.lookup3res_u.resok.dir_attributes.present = TRUE;
+ encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+ g_mutex_unlock(dir->lock);
+
+ BlueSkyInode *inode = bluesky_get_inode(fs, inum);
+ if (inode == NULL) {
+ result.status = NFS3ERR_NOENT;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(inode->lock);
+ schedule_inode_unref(req, inode);
- return &result;
+ result.status = NFS3_OK;
+ result.lookup3res_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+
+ uint64_t fh_bytes;
+ fh_bytes = GUINT64_TO_BE(inum);
+ result.lookup3res_u.resok.object.data.data_len = 8;
+ result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
+
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
}
-access3res *
-nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
+void nfsproc3_access_3_svc(access3args *argp, RPCRequest *req)
{
- static access3res result;
+ access3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(req, &argp->object);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.access3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
- return &result;
+ g_mutex_lock(inode->lock);
+ result.status = NFS3_OK;
+ result.access3res_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+ result.access3res_u.resok.access = argp->access;
+ g_mutex_unlock(inode->lock);
+
+ async_rpc_send_reply(req, &result);
}
-readlink3res *
-nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
+void nfsproc3_readlink_3_svc(nfs_fh3 *argp, RPCRequest *req)
{
- static readlink3res result;
+ readlink3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(req, argp);
+ if (inode != NULL) {
+ g_mutex_lock(inode->lock);
+ if (inode->type == BLUESKY_SYMLINK) {
+ result.status = NFS3_OK;
+ result.readlink3res_u.resok.symlink_attributes.present = TRUE;
+ encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
+ result.readlink3res_u.resok.data = inode->symlink_contents;
+ } else {
+ result.status = NFS3ERR_INVAL;
+ result.readlink3res_u.resfail.present = TRUE;
+ encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
+ }
+ g_mutex_unlock(inode->lock);
+ } else {
+ result.status = NFS3ERR_STALE;
+ }
- return &result;
+ async_rpc_send_reply(req, &result);
}
-read3res *
-nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
+void nfsproc3_read_3_svc(read3args *argp, RPCRequest *req)
{
- static read3res result;
+ read3res result;
+ memset(&result, 0, sizeof(result));
+ char buf[NFS_MAXSIZE];
- result.status = NFS3ERR_NOTSUPP;
+ bluesky_flushd_invoke_conditional(fs);
+
+ BlueSkyInode *inode = lookup_fh(req, &argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.read3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(inode->lock);
+
+ int count = argp->count;
+ if (argp->offset >= inode->size) {
+ count = 0;
+ result.read3res_u.resok.eof = TRUE;
+ } else {
+ count = MIN(count, NFS_MAXSIZE);
+ count = MIN(count, inode->size - argp->offset);
+ if (argp->offset + count == inode->size)
+ result.read3res_u.resok.eof = TRUE;
+ else
+ result.read3res_u.resok.eof = FALSE;
+
+ bluesky_file_read(inode, argp->offset, buf, count);
+ }
+
+ result.status = NFS3_OK;
+ result.read3res_u.resok.file_attributes.present = TRUE;
+ encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
+ result.read3res_u.resok.count = count;
+ result.read3res_u.resok.data.data_val = buf;
+ result.read3res_u.resok.data.data_len = count;
- return &result;
+ g_mutex_unlock(inode->lock);
+
+ async_rpc_send_reply(req, &result);
}
-write3res *
-nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
+void nfsproc3_write_3_svc(write3args *argp, RPCRequest *req)
{
- static write3res result;
+ write3res result;
+ memset(&result, 0, sizeof(result));
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ bluesky_flushd_invoke_conditional(fs);
+
+ BlueSkyInode *inode = lookup_fh(req, &argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.write3res_u.resfail = wcc;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+#if 0
+ /* FIXME: Hack to throttle writes when there is too much dirty data still
+ * to be written out. */
+ while (g_atomic_int_get(&fs->cache_dirty) > 4096
+ || g_atomic_int_get(&fs->cache_total) > 8192) {
+ g_print("Too many dirty pages (%d) or total pages (%d); throttling writes...\n",
+ g_atomic_int_get(&fs->cache_dirty),
+ g_atomic_int_get(&fs->cache_total));
+ struct timespec delay;
+ delay.tv_sec = 2;
+ delay.tv_nsec = 0;
+ nanosleep(&delay, NULL);
+ }
+#endif
+
+ g_mutex_lock(inode->lock);
+
+ encode_pre_wcc(&wcc, inode);
+ if (inode->type != BLUESKY_REGULAR) {
+ result.status = NFS3ERR_INVAL;
+ result.write3res_u.resfail = wcc;
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ uint64_t lastbyte = argp->offset + argp->count;
+ if (lastbyte > inode->size) {
+ bluesky_file_truncate(inode, lastbyte);
+ }
- return &result;
+ if (argp->data.data_len < argp->count) {
+ /* ??? */
+ } else {
+ bluesky_file_write(inode, argp->offset,
+ argp->data.data_val, argp->count);
+ }
+
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
+ result.write3res_u.resok.file_wcc = wcc;
+ result.write3res_u.resok.count = argp->count;
+ result.write3res_u.resok.committed = FILE_SYNC;
+
+ g_mutex_unlock(inode->lock);
+
+ async_rpc_send_reply(req, &result);
}
-diropres3 *
-nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
+void nfsproc3_create_3_svc(create3args *argp, RPCRequest *req)
{
- static diropres3 result;
+ diropres3 result;
+ memset(&result, 0, sizeof(result));
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.diropres3_u.resfail = wcc;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(dir->lock);
+
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
- return &result;
+ if (!validate_filename(argp->where.name)
+ || strcmp(argp->where.name, ".") == 0
+ || strcmp(argp->where.name, "..") == 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(fs->lock);
+ BlueSkyInode *file;
+ file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
+ file->nlink = 1;
+ file->mode = 0755;
+ int64_t time = bluesky_get_current_time();
+ file->mtime = time;
+ file->ctime = time;
+ file->atime = time;
+ file->ntime = time;
+ g_mutex_lock(file->lock);
+ bluesky_insert_inode(fs, file);
+ g_mutex_unlock(fs->lock);
+ bluesky_directory_insert(dir, argp->where.name, file->inum);
+
+ bluesky_inode_update_ctime(dir, TRUE);
+
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.diropres3_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+ result.diropres3_u.resok.dir_wcc = wcc;
+
+ uint64_t fh_bytes;
+ fh_bytes = GUINT64_TO_BE(file->inum);
+ result.diropres3_u.resok.obj.present = TRUE;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
+
+ g_mutex_unlock(file->lock);
+ g_mutex_unlock(dir->lock);
+
+ async_rpc_send_reply(req, &result);
}
-diropres3 *
-nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
+void nfsproc3_mkdir_3_svc(mkdir3args *argp, RPCRequest *req)
{
- static diropres3 result;
+ diropres3 result;
+ memset(&result, 0, sizeof(result));
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.diropres3_u.resfail = wcc;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(dir->lock);
- return &result;
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ if (!validate_filename(argp->where.name)
+ || strcmp(argp->where.name, ".") == 0
+ || strcmp(argp->where.name, "..") == 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(fs->lock);
+ BlueSkyInode *file;
+ file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
+ file->nlink = 1;
+ file->mode = 0755;
+ int64_t time = bluesky_get_current_time();
+ file->mtime = time;
+ file->ctime = time;
+ file->atime = time;
+ file->ntime = time;
+ g_mutex_lock(file->lock);
+ bluesky_insert_inode(fs, file);
+ g_mutex_unlock(fs->lock);
+ bluesky_directory_insert(dir, argp->where.name, file->inum);
+ set_attributes(file, &argp->attributes);
+
+ bluesky_inode_update_ctime(dir, TRUE);
+
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.diropres3_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+ result.diropres3_u.resok.dir_wcc = wcc;
+
+ uint64_t fh_bytes;
+ fh_bytes = GUINT64_TO_BE(file->inum);
+ result.diropres3_u.resok.obj.present = TRUE;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
+
+ g_mutex_unlock(file->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-diropres3 *
-nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
+void nfsproc3_symlink_3_svc(symlink3args *argp, RPCRequest *req)
{
- static diropres3 result;
+ diropres3 result;
+ memset(&result, 0, sizeof(result));
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->where.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.diropres3_u.resfail = wcc;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(dir->lock);
+
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ if (!validate_filename(argp->where.name)
+ || strcmp(argp->where.name, ".") == 0
+ || strcmp(argp->where.name, "..") == 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.diropres3_u.resfail = wcc;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
- return &result;
+ g_mutex_lock(fs->lock);
+ BlueSkyInode *file;
+ file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
+ file->nlink = 1;
+ file->mode = 0755;
+ int64_t time = bluesky_get_current_time();
+ file->mtime = time;
+ file->ctime = time;
+ file->atime = time;
+ file->ntime = time;
+ file->symlink_contents = g_strdup(argp->symlink.symlink_data);
+ g_mutex_lock(file->lock);
+ bluesky_insert_inode(fs, file);
+ g_mutex_unlock(fs->lock);
+ bluesky_directory_insert(dir, argp->where.name, file->inum);
+
+ bluesky_inode_update_ctime(dir, TRUE);
+
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.diropres3_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+ result.diropres3_u.resok.dir_wcc = wcc;
+
+ uint64_t fh_bytes;
+ fh_bytes = GUINT64_TO_BE(file->inum);
+ result.diropres3_u.resok.obj.present = TRUE;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+ result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
+
+ g_mutex_unlock(file->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-diropres3 *
-nfsproc3_mknod_3_svc(mknod3args *argp, struct svc_req *rqstp)
+void nfsproc3_mknod_3_svc(mknod3args *argp, RPCRequest *req)
{
- static diropres3 result;
+ diropres3 result;
+ memset(&result, 0, sizeof(result));
result.status = NFS3ERR_NOTSUPP;
- return &result;
+ async_rpc_send_reply(req, &result);
}
-wccstat3 *
-nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
+void nfsproc3_remove_3_svc(diropargs3 *argp, RPCRequest *req)
{
- static wccstat3 result;
+ wccstat3 result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(dir->lock);
+
+ encode_pre_wcc(&result.wccstat3_u.wcc, dir);
+
+ if (!validate_filename(argp->name)
+ || strcmp(argp->name, ".") == 0
+ || strcmp(argp->name, "..") == 0)
+ {
+ result.status = NFS3ERR_NOENT;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
- return &result;
+ /* TODO: Decrement link count, deallocate inode if needed. */
+
+ bluesky_directory_remove(dir, argp->name);
+
+ result.status = NFS3_OK;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+ dir);
+
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-wccstat3 *
-nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
+void nfsproc3_rmdir_3_svc(diropargs3 *argp, RPCRequest *req)
{
- static wccstat3 result;
+ wccstat3 result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(dir->lock);
+
+ encode_pre_wcc(&result.wccstat3_u.wcc, dir);
- return &result;
+ if (!validate_filename(argp->name)
+ || strcmp(argp->name, ".") == 0
+ || strcmp(argp->name, "..") == 0)
+ {
+ result.status = NFS3ERR_NOENT;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ uint64_t inum = bluesky_directory_lookup(dir, argp->name);
+ BlueSkyInode *inode = bluesky_get_inode(fs, inum);
+ if (inode == NULL) {
+ result.status = NFS3ERR_NOENT;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(inode->lock);
+ schedule_inode_unref(req, inode);
+
+ if (inode->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ if (g_sequence_get_length(inode->dirents) > 0) {
+ printf("Directory not empty: %d entries\n",
+ g_sequence_get_length(inode->dirents));
+ result.status = NFS3ERR_NOTEMPTY;
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ /* TODO: Decrement link count, deallocate inode if needed. */
+
+ bluesky_directory_remove(dir, argp->name);
+
+ result.status = NFS3_OK;
+ result.wccstat3_u.wcc.after.present = TRUE;
+ encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+ dir);
+
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-rename3res *
-nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
+void nfsproc3_rename_3_svc(rename3args *argp, RPCRequest *req)
{
- static rename3res result;
+ rename3res result;
+ memset(&result, 0, sizeof(result));
+ wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
+ wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
+ if (dir1 == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
+ if (dir2 == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ if (dir1->inum < dir2->inum) {
+ g_mutex_lock(dir1->lock);
+ g_mutex_lock(dir2->lock);
+ } else if (dir1->inum > dir2->inum) {
+ g_mutex_lock(dir2->lock);
+ g_mutex_lock(dir1->lock);
+ }
+ encode_pre_wcc(wcc1, dir1);
+ encode_pre_wcc(wcc2, dir1);
+
+ gboolean status = bluesky_rename(dir1, argp->from.name,
+ dir2, argp->to.name,
+ TRUE, TRUE);
+
+ wcc1->after.present = TRUE;
+ encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
+ wcc2->after.present = TRUE;
+ encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
+ if (status)
+ result.status = NFS3_OK;
+ else
+ result.status = NFS3ERR_PERM;
- return &result;
+ g_mutex_unlock(dir1->lock);
+ if (dir1->inum != dir2->inum)
+ g_mutex_unlock(dir2->lock);
+ async_rpc_send_reply(req, &result);
}
-link3res *
-nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
+void nfsproc3_link_3_svc(link3args *argp, RPCRequest *req)
{
- static link3res result;
+ link3res result;
+ memset(&result, 0, sizeof(result));
+ struct wcc_data wcc;
+ memset(&wcc, 0, sizeof(wcc));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(req, &argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(inode->lock);
+
+ BlueSkyInode *dir = lookup_fh(req, &argp->link.dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(dir->lock);
+
+ encode_pre_wcc(&wcc, dir);
+ if (dir->type != BLUESKY_DIRECTORY) {
+ result.status = NFS3ERR_NOTDIR;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
- return &result;
+ if (!validate_filename(argp->link.name)
+ || strcmp(argp->link.name, ".") == 0
+ || strcmp(argp->link.name, "..") == 0
+ || bluesky_directory_lookup(dir, argp->link.name) != 0)
+ {
+ result.status = NFS3ERR_EXIST;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
+ result.status = NFS3ERR_EXIST;
+ result.link3res_u.res.linkdir_wcc = wcc;
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ inode->nlink++;
+ bluesky_inode_update_ctime(inode, FALSE);
+ bluesky_inode_update_ctime(dir, TRUE);
+
+ result.status = NFS3_OK;
+ wcc.after.present = TRUE;
+ encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+ result.link3res_u.res.file_attributes.present = TRUE;
+ encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
+ result.link3res_u.res.linkdir_wcc = wcc;
+
+ g_mutex_unlock(inode->lock);
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-readdir3res *
-nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
+gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
+ gpointer unused);
+
+#define MAX_READDIR_DIRENTS 64
+void nfsproc3_readdir_3_svc(readdir3args *argp, RPCRequest *req)
{
- static readdir3res result;
+ readdir3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *dir = lookup_fh(req, &argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.readdir3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(dir->lock);
+
+ result.status = NFS3_OK;
+ result.readdir3res_u.resok.dir_attributes.present = TRUE;
+ encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+ memset(result.readdir3res_u.resok.cookieverf, 0,
+ sizeof(result.readdir3res_u.resok.cookieverf));
+
+ entry3 dirents[MAX_READDIR_DIRENTS];
+ int count = 0;
+
+ BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
+ GSequenceIter *i = g_sequence_search(dir->dirents, &start,
+ bluesky_dirent_compare, NULL);
+
+ while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
+ BlueSkyDirent *d = g_sequence_get(i);
+ dirents[count].fileid = d->inum;
+ dirents[count].name = d->name;
+ dirents[count].cookie = d->cookie;
+ dirents[count].nextentry = NULL;
+ if (count > 0)
+ dirents[count - 1].nextentry = &dirents[count];
+ i = g_sequence_iter_next(i);
+ count++;
+ }
+
+ if (count > 0)
+ result.readdir3res_u.resok.reply.entries = &dirents[0];
+ else
+ result.readdir3res_u.resok.reply.entries = NULL;
+ result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
- return &result;
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-readdirplus3res *
-nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
+void nfsproc3_readdirplus_3_svc(readdirplus3args *argp, RPCRequest *req)
{
- static readdirplus3res result;
+ /* XDR-encoded sizes:
+ * post_op_attr: 88 bytes
+ * base readdirplus3resok: 88 + 16 bytes
+ * base directory entry: 24 bytes + filename
+ * attributes/fh3: 88 + 8 + filehandle size
+ */
+ size_t dircount = 88 + 16, attrcount = 0;
+ readdirplus3res result;
+ memset(&result, 0, sizeof(result));
+
+ BlueSkyInode *dir = lookup_fh(req, &argp->dir);
+ if (dir == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.readdirplus3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(dir->lock);
- result.status = NFS3ERR_NOTSUPP;
+ result.status = NFS3_OK;
+ result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
+ encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+ memset(result.readdirplus3res_u.resok.cookieverf, 0,
+ sizeof(result.readdirplus3res_u.resok.cookieverf));
+
+ entryplus3 dirents[MAX_READDIR_DIRENTS];
+ uint64_t fh_bytes[MAX_READDIR_DIRENTS];
+ int count = 0;
+
+ GSequenceIter *i;
+ BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
+
+ /* Perform a prefetch pass on inodes: for all the inodes we think we will
+ * return information about, try to load each one but don't wait. This
+ * should let multiple inodes be fetched in parallel, instead of
+ * sequentially in the loop that follows. */
+ i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
+ while (count < MAX_READDIR_DIRENTS
+ && !g_sequence_iter_is_end(i)
+ && dircount <= argp->dircount
+ && dircount + attrcount <= argp->maxcount)
+ {
+ BlueSkyDirent *d = g_sequence_get(i);
+ BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
+ if (inode != NULL)
+ bluesky_inode_unref(inode);
+ dircount += 24 + ((strlen(d->name) + 3) & ~3);
+ attrcount += 88 + 8 + 8;
+ i = g_sequence_iter_next(i);
+ }
+
+ i = g_sequence_search(dir->dirents, &start, bluesky_dirent_compare, NULL);
+ count = 0;
+ dircount = 88 + 16;
+ attrcount = 0;
+ while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
+ BlueSkyDirent *d = g_sequence_get(i);
+ BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
+ if (inode != NULL) {
+ g_mutex_lock(inode->lock);
+ dircount += 24 + ((strlen(d->name) + 3) & ~3);
+ attrcount += 88 + 8 + 8;
+ if (dircount > argp->dircount
+ || dircount + attrcount > argp->maxcount)
+ {
+ g_mutex_unlock(inode->lock);
+ bluesky_inode_unref(inode);
+ break;
+ }
+ dirents[count].fileid = d->inum;
+ dirents[count].name = d->name;
+ dirents[count].cookie = d->cookie;
+ dirents[count].nextentry = NULL;
+ dirents[count].name_attributes.present = TRUE;
+ encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
+ fh_bytes[count] = GUINT64_TO_BE(d->inum);
+ dirents[count].name_handle.present = TRUE;
+ dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
+ dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
+ = (char *)&fh_bytes[count];
+ if (count > 0)
+ dirents[count - 1].nextentry = &dirents[count];
+ count++;
+ g_mutex_unlock(inode->lock);
+ bluesky_inode_unref(inode);
+ }
+ i = g_sequence_iter_next(i);
+ }
- return &result;
+ if (count > 0)
+ result.readdirplus3res_u.resok.reply.entries = &dirents[0];
+ else
+ result.readdirplus3res_u.resok.reply.entries = NULL;
+ result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
+
+ g_mutex_unlock(dir->lock);
+ async_rpc_send_reply(req, &result);
}
-fsstat3res *
-nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
+void nfsproc3_fsstat_3_svc(nfs_fh3 *argp, RPCRequest *req)
{
- static fsstat3res result;
+ fsstat3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ BlueSkyInode *inode = lookup_fh(req, argp);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ result.fsstat3res_u.resfail.present = FALSE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+ g_mutex_lock(inode->lock);
- return &result;
+ result.status = NFS3_OK;
+ result.fsstat3res_u.resok.obj_attributes.present = TRUE;
+ encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+
+ result.fsstat3res_u.resok.tbytes = (1 << 30);
+ result.fsstat3res_u.resok.fbytes = (1 << 30);
+ result.fsstat3res_u.resok.abytes = (1 << 30);
+ result.fsstat3res_u.resok.tfiles = 0;
+ result.fsstat3res_u.resok.ffiles = 0;
+ result.fsstat3res_u.resok.afiles = 0;
+ result.fsstat3res_u.resok.invarsec = 0;
+
+ g_mutex_unlock(inode->lock);
+ async_rpc_send_reply(req, &result);
}
-fsinfo3res *
-nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
+void nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, RPCRequest *req)
{
- static fsinfo3res result;
+ fsinfo3res result;
+ memset(&result, 0, sizeof(result));
BlueSkyInode *inode = bluesky_get_inode(fs, 1);
+ g_mutex_lock(inode->lock);
result.status = NFS3_OK;
result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
- result.fsinfo3res_u.resok.rtmax = 32768;
- result.fsinfo3res_u.resok.rtpref = 32768;
- result.fsinfo3res_u.resok.rtmult = 4096;
- result.fsinfo3res_u.resok.wtmax = 32768;
- result.fsinfo3res_u.resok.wtpref = 32768;
- result.fsinfo3res_u.resok.wtmult = 4096;
- result.fsinfo3res_u.resok.dtpref = 4096;
+ result.fsinfo3res_u.resok.rtmax = NFS_MAXSIZE;
+ result.fsinfo3res_u.resok.rtpref = NFS_MAXSIZE;
+ result.fsinfo3res_u.resok.rtmult = NFS_BLOCKSIZE;
+ result.fsinfo3res_u.resok.wtmax = NFS_MAXSIZE;
+ result.fsinfo3res_u.resok.wtpref = NFS_MAXSIZE;
+ result.fsinfo3res_u.resok.wtmult = NFS_BLOCKSIZE;
+ result.fsinfo3res_u.resok.dtpref = NFS_BLOCKSIZE;
result.fsinfo3res_u.resok.maxfilesize = 0x7fffffffffffffffULL;
result.fsinfo3res_u.resok.time_delta.seconds = 0;
result.fsinfo3res_u.resok.time_delta.nseconds = 1000;
result.fsinfo3res_u.resok.properties
= FSF3_LINK | FSF3_SYMLINK | FSF3_HOMOGENEOUS | FSF3_CANSETTIME;
- return &result;
+ g_mutex_unlock(inode->lock);
+ bluesky_inode_unref(inode);
+ async_rpc_send_reply(req, &result);
}
-pathconf3res *
-nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
+void nfsproc3_pathconf_3_svc(nfs_fh3 *argp, RPCRequest *req)
{
- static pathconf3res result;
+ pathconf3res result;
+ memset(&result, 0, sizeof(result));
BlueSkyInode *inode = bluesky_get_inode(fs, 1);
+ g_mutex_lock(inode->lock);
result.status = NFS3_OK;
result.pathconf3res_u.resok.obj_attributes.present = TRUE;
encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
result.pathconf3res_u.resok.case_insensitive = FALSE;
result.pathconf3res_u.resok.case_preserving = TRUE;
- return &result;
+ g_mutex_unlock(inode->lock);
+ bluesky_inode_unref(inode);
+ async_rpc_send_reply(req, &result);
}
-commit3res *
-nfsproc3_commit_3_svc(commit3args *argp, struct svc_req *rqstp)
+void nfsproc3_commit_3_svc(commit3args *argp, RPCRequest *req)
{
- static commit3res result;
+ commit3res result;
+ memset(&result, 0, sizeof(result));
- result.status = NFS3ERR_NOTSUPP;
+ result.status = NFS3_OK;
+
+ BlueSkyInode *inode = lookup_fh(req, &argp->file);
+ if (inode == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ g_mutex_lock(inode->lock);
+ encode_pre_wcc(&result.commit3res_u.resok.file_wcc, inode);
+
+ //bluesky_inode_do_sync(inode);
+
+ result.commit3res_u.resok.file_wcc.after.present = TRUE;
+ encode_fattr3(&result.commit3res_u.resok.file_wcc.after.post_op_attr_u.attributes, inode);
+
+ g_mutex_unlock(inode->lock);
- return &result;
+ async_rpc_send_reply(req, &result);
}