etcdserver/util.go
func isConnectedToQuorumSince(transport rafthttp.Transporter, since time.Time, self types.ID, members []*membership.Member) bool {
	return numConnectedSince(transport, since, self, members) >= (len(members)/2)+1
}
func isConnectedToQuorumSince(transport rafthttp.Transporter, since time.Time, self types.ID, members []*membership.Member) bool {
	return numConnectedSince(transport, since, self, members) >= (len(members)/2)+1
}
func isConnectedToQuorumSince ( transport rafthttp . Transporter , since time . Time , self types . ID , members [ ] * membership . Member ) bool { return numConnectedSince ( transport , since , self , members ) >= ( len ( members ) / 2 ) + 1 }
// isConnectedToQuorumSince checks whether the local member is connected to the
// quorum of the cluster since the given time.
isConnectedToQuorumSince checks whether the local member is connected to the quorum of the cluster since the given time .