// Copyright 2015 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 walpb import "errors" var ( ErrCRCMismatch = errors.New("walpb: crc mismatch") ) func (rec *Record) Validate(crc uint32) error { if rec.Crc == crc { return nil } rec.Reset() return ErrCRCMismatch } // ValidateSnapshotForWrite ensures the Snapshot the newly written snapshot is valid. // // There might exist log-entries written by old etcd versions that does not conform // to the requirements. func ValidateSnapshotForWrite(e *Snapshot) error { // Since etcd>=3.5.0 if e.ConfState == nil && e.Index > 0 { return errors.New("Saved (not-initial) snapshot is missing ConfState: " + e.String()) } return nil }