| // Copyright 2016 The etcd Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package wal |
| |
| import ( |
| "os" |
| |
| "github.com/coreos/etcd/wal/walpb" |
| ) |
| |
| func (w *WAL) renameWal(tmpdirpath string) (*WAL, error) { |
| // rename of directory with locked files doesn't work on |
| // windows; close the WAL to release the locks so the directory |
| // can be renamed |
| w.Close() |
| if err := os.Rename(tmpdirpath, w.dir); err != nil { |
| return nil, err |
| } |
| // reopen and relock |
| newWAL, oerr := Open(w.dir, walpb.Snapshot{}) |
| if oerr != nil { |
| return nil, oerr |
| } |
| if _, _, _, err := newWAL.ReadAll(); err != nil { |
| newWAL.Close() |
| return nil, err |
| } |
| return newWAL, nil |
| } |
