etcd/server/storage/mvcc/store.go
Allen Ray 395376d3ab Refactor common revision code to pkg
Signed-off-by: Allen Ray <alray@redhat.com>
2023-10-09 14:53:16 -04:00

61 lines
2.0 KiB
Go

// 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 mvcc
import (
"go.etcd.io/etcd/server/v3/storage/backend"
"go.etcd.io/etcd/server/v3/storage/schema"
)
func UnsafeReadFinishedCompact(tx backend.UnsafeReader) (finishedComact int64, found bool) {
_, finishedCompactBytes := tx.UnsafeRange(schema.Meta, schema.FinishedCompactKeyName, nil, 0)
if len(finishedCompactBytes) != 0 {
return BytesToRev(finishedCompactBytes[0]).Main, true
}
return 0, false
}
func UnsafeReadScheduledCompact(tx backend.UnsafeReader) (scheduledComact int64, found bool) {
_, scheduledCompactBytes := tx.UnsafeRange(schema.Meta, schema.ScheduledCompactKeyName, nil, 0)
if len(scheduledCompactBytes) != 0 {
return BytesToRev(scheduledCompactBytes[0]).Main, true
}
return 0, false
}
func SetScheduledCompact(tx backend.BatchTx, value int64) {
tx.LockInsideApply()
defer tx.Unlock()
UnsafeSetScheduledCompact(tx, value)
}
func UnsafeSetScheduledCompact(tx backend.UnsafeWriter, value int64) {
rbytes := NewRevBytes()
rbytes = RevToBytes(Revision{Main: value}, rbytes)
tx.UnsafePut(schema.Meta, schema.ScheduledCompactKeyName, rbytes)
}
func SetFinishedCompact(tx backend.BatchTx, value int64) {
tx.LockInsideApply()
defer tx.Unlock()
UnsafeSetFinishedCompact(tx, value)
}
func UnsafeSetFinishedCompact(tx backend.UnsafeWriter, value int64) {
rbytes := NewRevBytes()
rbytes = RevToBytes(Revision{Main: value}, rbytes)
tx.UnsafePut(schema.Meta, schema.FinishedCompactKeyName, rbytes)
}