mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
e9aa275b36
Just replaced all go.etcd.io/etcd/raft/v3 with go.etcd.io/raft/v3 under directory server. Signed-off-by: Benjamin Wang <wachao@vmware.com>
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright 2021 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 storage
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"go.uber.org/zap"
|
|
|
|
"go.etcd.io/etcd/server/v3/etcdserver/cindex"
|
|
"go.etcd.io/etcd/server/v3/storage/backend"
|
|
"go.etcd.io/etcd/server/v3/storage/schema"
|
|
"go.etcd.io/raft/v3/raftpb"
|
|
)
|
|
|
|
type BackendHooks struct {
|
|
indexer cindex.ConsistentIndexer
|
|
lg *zap.Logger
|
|
|
|
// confState to Be written in the next submitted Backend transaction (if dirty)
|
|
confState raftpb.ConfState
|
|
// first write changes it to 'dirty'. false by default, so
|
|
// not initialized `confState` is meaningless.
|
|
confStateDirty bool
|
|
confStateLock sync.Mutex
|
|
}
|
|
|
|
func NewBackendHooks(lg *zap.Logger, indexer cindex.ConsistentIndexer) *BackendHooks {
|
|
return &BackendHooks{lg: lg, indexer: indexer}
|
|
}
|
|
|
|
func (bh *BackendHooks) OnPreCommitUnsafe(tx backend.BatchTx) {
|
|
bh.indexer.UnsafeSave(tx)
|
|
bh.confStateLock.Lock()
|
|
defer bh.confStateLock.Unlock()
|
|
if bh.confStateDirty {
|
|
schema.MustUnsafeSaveConfStateToBackend(bh.lg, tx, &bh.confState)
|
|
// save bh.confState
|
|
bh.confStateDirty = false
|
|
}
|
|
}
|
|
|
|
func (bh *BackendHooks) SetConfState(confState *raftpb.ConfState) {
|
|
bh.confStateLock.Lock()
|
|
defer bh.confStateLock.Unlock()
|
|
bh.confState = *confState
|
|
bh.confStateDirty = true
|
|
}
|