rocketmq支持任意时间的延时，基于时间轮和高效mmap文件实现

/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.rocketmq.client.impl; import com.alibaba.fastjson.JSON; import java.io.UnsupportedEncodingException; import java.nio.ByteBuffer; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Properties; import java.util.Set; import java.util.concurrent.atomic.AtomicInteger; import org.apache.commons.lang3.StringUtils; import org.apache.rocketmq.client.ClientConfig; import org.apache.rocketmq.client.consumer.PullCallback; import org.apache.rocketmq.client.consumer.PullResult; import org.apache.rocketmq.client.consumer.PullStatus; import org.apache.rocketmq.client.exception.MQBrokerException; import org.apache.rocketmq.client.exception.MQClientException; import org.apache.rocketmq.client.hook.SendMessageContext; import org.apache.rocketmq.client.impl.consumer.PullResultExt; import org.apache.rocketmq.client.impl.factory.MQClientInstance; import org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl; import org.apache.rocketmq.client.impl.producer.TopicPublishInfo; import org.apache.rocketmq.client.log.ClientLogger; import org.apache.rocketmq.client.producer.SendCallback; import org.apache.rocketmq.client.producer.SendResult; import org.apache.rocketmq.client.producer.SendStatus; import org.apache.rocketmq.common.AclConfig; import org.apache.rocketmq.common.DataVersion; import org.apache.rocketmq.common.MQVersion; import org.apache.rocketmq.common.MixAll; import org.apache.rocketmq.common.PlainAccessConfig; import org.apache.rocketmq.common.TopicConfig; import org.apache.rocketmq.common.UtilAll; import org.apache.rocketmq.common.admin.ConsumeStats; import org.apache.rocketmq.common.admin.TopicStatsTable; import org.apache.rocketmq.common.message.Message; import org.apache.rocketmq.common.message.MessageBatch; import org.apache.rocketmq.common.message.MessageClientIDSetter; import org.apache.rocketmq.common.message.MessageConst; import org.apache.rocketmq.common.message.MessageDecoder; import org.apache.rocketmq.common.message.MessageExt; import org.apache.rocketmq.common.message.MessageQueue; import org.apache.rocketmq.common.namesrv.TopAddressing; import org.apache.rocketmq.common.protocol.NamespaceUtil; import org.apache.rocketmq.common.protocol.RequestCode; import org.apache.rocketmq.common.protocol.ResponseCode; import org.apache.rocketmq.common.protocol.body.BrokerStatsData; import org.apache.rocketmq.common.protocol.body.CheckClientRequestBody; import org.apache.rocketmq.common.protocol.body.ClusterAclVersionInfo; import org.apache.rocketmq.common.protocol.body.ClusterInfo; import org.apache.rocketmq.common.protocol.body.ConsumeMessageDirectlyResult; import org.apache.rocketmq.common.protocol.body.ConsumeStatsList; import org.apache.rocketmq.common.protocol.body.ConsumerConnection; import org.apache.rocketmq.common.protocol.body.ConsumerRunningInfo; import org.apache.rocketmq.common.protocol.body.GetConsumerStatusBody; import org.apache.rocketmq.common.protocol.body.GroupList; import org.apache.rocketmq.common.protocol.body.KVTable; import org.apache.rocketmq.common.protocol.body.LockBatchRequestBody; import org.apache.rocketmq.common.protocol.body.LockBatchResponseBody; import org.apache.rocketmq.common.protocol.body.ProducerConnection; import org.apache.rocketmq.common.protocol.body.ProducerTableInfo; import org.apache.rocketmq.common.protocol.body.QueryConsumeQueueResponseBody; import org.apache.rocketmq.common.protocol.body.QueryConsumeTimeSpanBody; import org.apache.rocketmq.common.protocol.body.QueryCorrectionOffsetBody; import org.apache.rocketmq.common.protocol.body.QueueTimeSpan; import org.apache.rocketmq.common.protocol.body.ResetOffsetBody; import org.apache.rocketmq.common.protocol.body.SubscriptionGroupWrapper; import org.apache.rocketmq.common.protocol.body.TopicConfigSerializeWrapper; import org.apache.rocketmq.common.protocol.body.TopicList; import org.apache.rocketmq.common.protocol.body.UnlockBatchRequestBody; import org.apache.rocketmq.common.protocol.header.CloneGroupOffsetRequestHeader; import org.apache.rocketmq.common.protocol.header.ConsumeMessageDirectlyResultRequestHeader; import org.apache.rocketmq.common.protocol.header.ConsumerSendMsgBackRequestHeader; import org.apache.rocketmq.common.protocol.header.CreateAccessConfigRequestHeader; import org.apache.rocketmq.common.protocol.header.CreateTopicRequestHeader; import org.apache.rocketmq.common.protocol.header.DeleteAccessConfigRequestHeader; import org.apache.rocketmq.common.protocol.header.DeleteSubscriptionGroupRequestHeader; import org.apache.rocketmq.common.protocol.header.DeleteTopicRequestHeader; import org.apache.rocketmq.common.protocol.header.EndTransactionRequestHeader; import org.apache.rocketmq.common.protocol.header.GetAllProducerInfoRequestHeader; import org.apache.rocketmq.common.protocol.header.GetBrokerAclConfigResponseHeader; import org.apache.rocketmq.common.protocol.header.GetBrokerClusterAclConfigResponseBody; import org.apache.rocketmq.common.protocol.header.GetConsumeStatsInBrokerHeader; import org.apache.rocketmq.common.protocol.header.GetConsumeStatsRequestHeader; import org.apache.rocketmq.common.protocol.header.GetConsumerConnectionListRequestHeader; import org.apache.rocketmq.common.protocol.header.GetConsumerListByGroupRequestHeader; import org.apache.rocketmq.common.protocol.header.GetConsumerListByGroupResponseBody; import org.apache.rocketmq.common.protocol.header.GetConsumerRunningInfoRequestHeader; import org.apache.rocketmq.common.protocol.header.GetConsumerStatusRequestHeader; import org.apache.rocketmq.common.protocol.header.GetEarliestMsgStoretimeRequestHeader; import org.apache.rocketmq.common.protocol.header.GetEarliestMsgStoretimeResponseHeader; import org.apache.rocketmq.common.protocol.header.GetMaxOffsetRequestHeader; import org.apache.rocketmq.common.protocol.header.GetMaxOffsetResponseHeader; import org.apache.rocketmq.common.protocol.header.GetMinOffsetRequestHeader; import org.apache.rocketmq.common.protocol.header.GetMinOffsetResponseHeader; import org.apache.rocketmq.common.protocol.header.GetProducerConnectionListRequestHeader; import org.apache.rocketmq.common.protocol.header.GetTopicStatsInfoRequestHeader; import org.apache.rocketmq.common.protocol.header.GetTopicsByClusterRequestHeader; import org.apache.rocketmq.common.protocol.header.PullMessageRequestHeader; import org.apache.rocketmq.common.protocol.header.PullMessageResponseHeader; import org.apache.rocketmq.common.protocol.header.QueryConsumeQueueRequestHeader; import org.apache.rocketmq.common.protocol.header.QueryConsumeTimeSpanRequestHeader; import org.apache.rocketmq.common.protocol.header.QueryConsumerOffsetRequestHeader; import org.apache.rocketmq.common.protocol.header.QueryConsumerOffsetResponseHeader; import org.apache.rocketmq.common.protocol.header.QueryCorrectionOffsetHeader; import org.apache.rocketmq.common.protocol.header.QueryMessageRequestHeader; import org.apache.rocketmq.common.protocol.header.QueryTopicConsumeByWhoRequestHeader; import org.apache.rocketmq.common.protocol.header.ResetOffsetRequestHeader; import org.apach