nfsstat4 nfs_op_lookupp(struct nfs_cxn *cxn,
struct list_head *writes, struct rpc_write **wr)
{
nfsstat4 status = NFS4_OK;
struct nfs_inode *ino = NULL;
if (debugging)
applog(LOG_INFO, "op LOOKUPP");
status = dir_curfh(NULL, cxn, &ino, 0);
if (status != NFS4_OK)
goto out;
if (ino->inum == INO_ROOT) { /* root inode, no parents */
status = NFS4ERR_NOENT;
goto out;
}
fh_set(&cxn->current_fh, ino->parent);
out:
WR32(status);
inode_free(ino);
return status;
}
// [new] URIError(message)
js_val *
error_uri_new(js_val *instance, js_args *args, eval_state *state)
{
js_val *err = error_new(instance, args, state);
fh_set(err, "name", JSSTR(E_URI));
err->proto = fh_try_get_proto(E_URI);
return err;
}
// [new] Error(message)
js_val *
error_new(js_val *instance, js_args *args, eval_state *state)
{
js_val *err = JSOBJ();
js_val *msg = ARG(args, 0);
fh_set_class(err, "Error");
if (!IS_UNDEF(msg))
fh_set(err, "message", TO_STR(msg));
err->proto = fh_try_get_proto("Error");
return err;
}
nfsstat4 nfs_op_lookup(struct nfs_cxn *cxn, const LOOKUP4args *args,
struct list_head *writes, struct rpc_write **wr)
{
nfsstat4 status = NFS4_OK;
struct nfs_inode *ino = NULL;
bool printed = false;
struct nfs_buf objname;
nfsino_t inum;
DB_TXN *txn = NULL;
DB_ENV *dbenv = srv.fsdb.env;
int rc;
objname.len = args->objname.utf8string_len;
objname.val = args->objname.utf8string_val;
if (!objname.len) {
status = NFS4ERR_INVAL;
goto out;
}
if (!objname.val) {
status = NFS4ERR_BADXDR;
goto out;
}
if (objname.len > SRV_MAX_NAME) {
status = NFS4ERR_NAMETOOLONG;
goto out;
}
rc = dbenv->txn_begin(dbenv, NULL, &txn, 0);
if (rc) {
status = NFS4ERR_IO;
dbenv->err(dbenv, rc, "DB_ENV->txn_begin");
goto out;
}
status = dir_curfh(txn, cxn, &ino, 0);
if (status != NFS4_OK) {
if ((status == NFS4ERR_NOTDIR) &&
(ino->type == NF4LNK))
status = NFS4ERR_SYMLINK;
goto out_abort;
}
status = dir_lookup(txn, ino, &objname, 0, &inum);
if (status != NFS4_OK)
goto out_abort;
rc = txn->commit(txn, 0);
if (rc) {
dbenv->err(dbenv, rc, "DB_ENV->txn_commit");
status = NFS4ERR_IO;
goto out;
}
fh_set(&cxn->current_fh, inum);
if (debugging) {
applog(LOG_INFO, "op LOOKUP ('%.*s') -> %016llX",
objname.len,
objname.val,
(unsigned long long) cxn->current_fh.inum);
printed = true;
}
out:
if (!printed) {
if (debugging)
applog(LOG_INFO, "op LOOKUP ('%.*s')",
objname.len,
objname.val);
}
WR32(status);
inode_free(ino);
return status;
out_abort:
if (txn->abort(txn))
dbenv->err(dbenv, rc, "DB_ENV->txn_abort");
goto out;
}
