// bucket return a channelBucket use murmurhash3.
func (this *ChannelManagerStruct) bucket(key string) *ChannelBucket {
h := hash.NewMurmur3C()
h.Write([]byte(key))
idx := uint(h.Sum32()) & uint(Conf.ChannelBucket-1)
log.Debug("user_key:\"%s\" hit channel bucket index:%d", key, idx)
return this.buckets[idx]
}
// bucketIdx return a channelBucket index.
func (this *ChannelManagerStruct) BucketIdx(key *string) uint {
h := hash.NewMurmur3C()
h.Write([]byte(*key))
return uint(h.Sum32()) & uint(Conf.ChannelBucket-1)
}