mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
// Copyright 2018 The CubeFS 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 master
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/cubefs/cubefs/proto"
|
|
"github.com/cubefs/cubefs/util/log"
|
|
)
|
|
|
|
// DataReplica represents the replica of a data partition
|
|
type DataReplica struct {
|
|
proto.DataReplica
|
|
dataNode *DataNode
|
|
loc uint8
|
|
}
|
|
|
|
func newDataReplica(dataNode *DataNode) (replica *DataReplica) {
|
|
replica = new(DataReplica)
|
|
replica.dataNode = dataNode
|
|
replica.Addr = dataNode.Addr
|
|
replica.ReportTime = time.Now().Unix()
|
|
return
|
|
}
|
|
|
|
func (replica *DataReplica) setAlive() {
|
|
replica.ReportTime = time.Now().Unix()
|
|
}
|
|
|
|
func (replica *DataReplica) isMissing(interval int64) (isMissing bool) {
|
|
if time.Now().Unix()-replica.ReportTime > interval {
|
|
isMissing = true
|
|
}
|
|
return
|
|
}
|
|
|
|
func (replica *DataReplica) isLive(timeOutSec int64) (isAvailable bool) {
|
|
log.LogDebugf("action[isLive] replica addr %v, datanode active %v replica status %v and is active %v",
|
|
replica.Addr, replica.dataNode.isActive, replica.Status, replica.isActive(timeOutSec))
|
|
if replica.dataNode.isActive && replica.Status != proto.Unavailable &&
|
|
replica.isActive(timeOutSec) {
|
|
isAvailable = true
|
|
}
|
|
return
|
|
}
|
|
|
|
func (replica *DataReplica) isActive(timeOutSec int64) bool {
|
|
return time.Now().Unix()-replica.ReportTime <= timeOutSec
|
|
}
|
|
|
|
func (replica *DataReplica) getReplicaNode() (node *DataNode) {
|
|
return replica.dataNode
|
|
}
|
|
|
|
// check if the replica's location is available
|
|
func (replica *DataReplica) isLocationAvailable() (isAvailable bool) {
|
|
dataNode := replica.getReplicaNode()
|
|
dataNode.Lock()
|
|
defer dataNode.Unlock()
|
|
if dataNode.isActive == true && replica.isActive(defaultDataPartitionTimeOutSec) == true {
|
|
isAvailable = true
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (replica *DataReplica) isRepairing() bool {
|
|
return replica.Status == proto.Recovering
|
|
}
|
|
|
|
func (replica *DataReplica) isUnavailable() bool {
|
|
return replica.Status == proto.Unavailable
|
|
}
|
