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46 lines
897 B
46 lines
897 B
package nodes
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import (
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"math/rand"
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"sync"
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"time"
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)
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type RandomTimeTable struct {
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Mu sync.Mutex
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electionTimeOut time.Duration
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israndom bool
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// heartbeat 50ms
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// rpcTimeout 50ms
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// follower变candidate 500ms
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// 等待选举成功时间 300ms
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}
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func NewRTTable() *RandomTimeTable {
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return &RandomTimeTable{
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israndom: true,
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}
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}
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func (rttable *RandomTimeTable) GetElectionTimeout() time.Duration {
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rttable.Mu.Lock()
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defer rttable.Mu.Unlock()
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if rttable.israndom {
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return time.Duration(500+rand.Intn(500)) * time.Millisecond
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} else {
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return rttable.electionTimeOut
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}
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}
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func (rttable *RandomTimeTable) SetElectionTimeout(t time.Duration) {
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rttable.Mu.Lock()
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defer rttable.Mu.Unlock()
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rttable.israndom = false
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rttable.electionTimeOut = t
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}
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func (rttable *RandomTimeTable) ResetElectionTimeout() {
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rttable.Mu.Lock()
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defer rttable.Mu.Unlock()
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rttable.israndom = true
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}
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