| /** |
| * 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. |
| */ |
| #ifndef LIB_ACKGROUPINGTRACKERENABLED_H_ |
| #define LIB_ACKGROUPINGTRACKERENABLED_H_ |
| |
| #include <pulsar/MessageId.h> |
| |
| #include <atomic> |
| #include <cstdint> |
| #include <mutex> |
| #include <set> |
| |
| #include "AckGroupingTracker.h" |
| #include "AsioTimer.h" |
| |
| namespace pulsar { |
| |
| class ClientImpl; |
| using ClientImplPtr = std::shared_ptr<ClientImpl>; |
| class ExecutorService; |
| using ExecutorServicePtr = std::shared_ptr<ExecutorService>; |
| class HandlerBase; |
| using HandlerBasePtr = std::shared_ptr<HandlerBase>; |
| using HandlerBaseWeakPtr = std::weak_ptr<HandlerBase>; |
| |
| /** |
| * @class AckGroupingTrackerEnabled |
| * Ack grouping tracker for consumers of persistent topics that enabled ACK grouping. |
| */ |
| class AckGroupingTrackerEnabled : public AckGroupingTracker { |
| public: |
| AckGroupingTrackerEnabled(std::function<ClientConnectionPtr()> connectionSupplier, |
| std::function<uint64_t()> requestIdSupplier, uint64_t consumerId, |
| bool waitResponse, long ackGroupingTimeMs, long ackGroupingMaxSize, |
| const ExecutorServicePtr& executor) |
| : AckGroupingTracker(connectionSupplier, requestIdSupplier, consumerId, waitResponse), |
| ackGroupingTimeMs_(ackGroupingTimeMs), |
| ackGroupingMaxSize_(ackGroupingMaxSize), |
| executor_(executor) { |
| pendingIndividualCallbacks_.reserve(ackGroupingMaxSize); |
| } |
| |
| virtual ~AckGroupingTrackerEnabled() { this->close(); } |
| |
| void start() override; |
| bool isDuplicate(const MessageId& msgId) override; |
| void addAcknowledge(const MessageId& msgId, ResultCallback callback) override; |
| void addAcknowledgeList(const MessageIdList& msgIds, ResultCallback callback) override; |
| void addAcknowledgeCumulative(const MessageId& msgId, ResultCallback callback) override; |
| void close() override; |
| void flush() override; |
| void flushAndClean() override; |
| |
| protected: |
| //! Method for scheduling grouping timer. |
| void scheduleTimer(); |
| |
| //! State |
| std::atomic_bool isClosed_{false}; |
| |
| //! Next message ID to be cumulatively cumulatively. |
| MessageId nextCumulativeAckMsgId_{MessageId::earliest()}; |
| bool requireCumulativeAck_{false}; |
| ResultCallback latestCumulativeCallback_; |
| std::mutex mutexCumulativeAckMsgId_; |
| |
| //! Individual ACK requests that have not been sent to broker. |
| std::set<MessageId> pendingIndividualAcks_; |
| std::vector<ResultCallback> pendingIndividualCallbacks_; |
| std::recursive_mutex rmutexPendingIndAcks_; |
| |
| //! Time window in milliseconds for grouping ACK requests. |
| const long ackGroupingTimeMs_; |
| |
| //! Max number of ACK requests can be grouped. |
| const long ackGroupingMaxSize_; |
| |
| //! ACK request sender's scheduled executor. |
| const ExecutorServicePtr executor_; |
| |
| //! Pointer to a deadline timer. |
| DeadlineTimerPtr timer_; |
| std::mutex mutexTimer_; |
| }; // class AckGroupingTrackerEnabled |
| |
| } // namespace pulsar |
| #endif /* LIB_ACKGROUPINGTRACKERENABLED_H_ */ |