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raft: stricter checking in raftLog.slice

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This commit is contained in:
Yicheng Qin 2014-11-25 00:05:00 -08:00
parent 1d01c8aa2d
commit 1e0f87df8c
1 changed files with 3 additions and 1 deletions
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4
raft/log.go
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@ -266,13 +266,15 @@ func (l *raftLog) slice(lo uint64, hi uint64) []pb.Entry {
if lo < l.unstable {
storedEnts, err := l.storage.Entries(lo, min(hi, l.unstable))
if err == ErrCompacted {
// This should never fail because it has been checked before.
log.Panicf("entries[%d:%d) from storage is out of bound", lo, min(hi, l.unstable))
return nil
} else if err != nil {
panic(err) // TODO(bdarnell)
}
ents = append(ents, storedEnts...)
}
if len(l.unstableEnts) > 0 && hi > l.unstable {
if hi > l.unstable {
firstUnstable := max(lo, l.unstable)
ents = append(ents, l.unstableEnts[firstUnstable-l.unstable:hi-l.unstable]...)
}