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raft: add Node.Next

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This commit is contained in:
Blake Mizerany 2014-05-19 00:24:02 -07:00 committed by Yicheng Qin
parent 9545662c6b
commit 6e0a668455
2 changed files with 11 additions and 2 deletions
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8
raft/node.go
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@ -29,3 +29,11 @@ func (n *Node) Step(m Message) {
defer n.lk.Unlock()
n.sm.Step(m)
}
// Next advances the commit index and returns any new
// commitable entries.
func (n *Node) Next() []Entry {
n.lk.Lock()
defer n.lk.Unlock()
return n.sm.nextEnts()
}

5
raft/raft.go
View File

@ -191,12 +191,13 @@ func (sm *stateMachine) theN() int {
return -1
}
func (sm *stateMachine) maybeAdvanceCommit() int {
func (sm *stateMachine) nextEnts() (ents []Entry) {
ci := sm.theN()
if ci > sm.commit {
ents = sm.log[sm.commit+1:ci]
sm.commit = ci
}
return sm.commit
return ents
}
func (sm *stateMachine) reset() {