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raft: update lead for follower sm when receiving msgApp

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Or follower may take `none` as its leader forever if it just launched
a failed election whose term is the same as the current leader.
This commit is contained in:
Yicheng Qin 2014-07-10 14:06:35 -07:00
parent edd8d7e534
commit 690edb2c56
1 changed files with 1 additions and 0 deletions
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raft/raft.go
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@ -411,6 +411,7 @@ func stepFollower(sm *stateMachine, m Message) bool {
m.To = sm.lead.Get() m.To = sm.lead.Get()
sm.send(m) sm.send(m)
case msgApp: case msgApp:
sm.lead.Set(m.From)
sm.handleAppendEntries(m) sm.handleAppendEntries(m)
case msgSnap: case msgSnap:
sm.handleSnapshot(m) sm.handleSnapshot(m)