forked from ngaut/unistore
/
ticker.go
87 lines (77 loc) · 2.73 KB
/
ticker.go
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// Copyright 2019-present PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package raftstore
type ticker struct {
regionID uint64
tick int64
schedules []tickSchedule
}
type tickSchedule struct {
runAt int64
interval int64
}
func newTicker(regionID uint64, cfg *Config) *ticker {
baseInterval := cfg.RaftBaseTickInterval
t := &ticker{
regionID: regionID,
schedules: make([]tickSchedule, 6),
}
t.schedules[int(PeerTickRaft)].interval = 1
t.schedules[int(PeerTickRaftLogGC)].interval = int64(cfg.RaftLogGCTickInterval / baseInterval)
t.schedules[int(PeerTickSplitRegionCheck)].interval = int64(cfg.SplitRegionCheckTickInterval / baseInterval)
t.schedules[int(PeerTickPdHeartbeat)].interval = int64(cfg.PdHeartbeatTickInterval / baseInterval)
t.schedules[int(PeerTickCheckMerge)].interval = int64(cfg.MergeCheckTickInterval / baseInterval)
t.schedules[int(PeerTickPeerStaleState)].interval = int64(cfg.PeerStaleStateCheckInterval / baseInterval)
return t
}
func newStoreTicker(cfg *Config) *ticker {
baseInterval := cfg.RaftBaseTickInterval
t := &ticker{
schedules: make([]tickSchedule, 4),
}
t.schedules[int(StoreTickCompactCheck)].interval = int64(cfg.RegionCompactCheckInterval / baseInterval)
t.schedules[int(StoreTickPdStoreHeartbeat)].interval = int64(cfg.PdStoreHeartbeatTickInterval / baseInterval)
t.schedules[int(StoreTickSnapGC)].interval = int64(cfg.SnapMgrGcTickInterval / baseInterval)
t.schedules[int(StoreTickConsistencyCheck)].interval = int64(cfg.ConsistencyCheckInterval / baseInterval)
return t
}
// tickClock should be called when peerMsgHandler received tick message.
func (t *ticker) tickClock() {
t.tick++
}
// schedule arrange the next run for the PeerTick.
func (t *ticker) schedule(tp PeerTick) {
sched := &t.schedules[int(tp)]
if sched.interval <= 0 {
sched.runAt = -1
return
}
sched.runAt = t.tick + sched.interval
}
// isOnTick checks if the PeerTick should run.
func (t *ticker) isOnTick(tp PeerTick) bool {
sched := &t.schedules[int(tp)]
return sched.runAt == t.tick
}
func (t *ticker) isOnStoreTick(tp StoreTick) bool {
sched := &t.schedules[int(tp)]
return sched.runAt == t.tick
}
func (t *ticker) scheduleStore(tp StoreTick) {
sched := &t.schedules[int(tp)]
if sched.interval <= 0 {
sched.runAt = -1
return
}
sched.runAt = t.tick + sched.interval
}