| /** |
| * 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 PULSAR_MULTI_TOPICS_CONSUMER_HEADER |
| #define PULSAR_MULTI_TOPICS_CONSUMER_HEADER |
| #include "lib/TestUtil.h" |
| #include "ConsumerImpl.h" |
| #include "ClientImpl.h" |
| #include "BlockingQueue.h" |
| #include <vector> |
| #include <queue> |
| #include <mutex> |
| |
| #include "ConsumerImplBase.h" |
| #include "lib/UnAckedMessageTrackerDisabled.h" |
| #include <lib/Latch.h> |
| #include <lib/MultiTopicsBrokerConsumerStatsImpl.h> |
| #include <lib/TopicName.h> |
| #include <lib/NamespaceName.h> |
| |
| namespace pulsar { |
| typedef std::shared_ptr<Promise<Result, Consumer>> ConsumerSubResultPromisePtr; |
| |
| class MultiTopicsConsumerImpl; |
| class MultiTopicsConsumerImpl : public ConsumerImplBase, |
| public std::enable_shared_from_this<MultiTopicsConsumerImpl> { |
| public: |
| enum MultiTopicsConsumerState |
| { |
| Pending, |
| Ready, |
| Closing, |
| Closed, |
| Failed |
| }; |
| MultiTopicsConsumerImpl(ClientImplPtr client, const std::vector<std::string>& topics, |
| const std::string& subscriptionName, TopicNamePtr topicName, |
| const ConsumerConfiguration& conf, const LookupServicePtr lookupServicePtr_); |
| virtual ~MultiTopicsConsumerImpl(); |
| virtual Future<Result, ConsumerImplBaseWeakPtr> getConsumerCreatedFuture(); |
| virtual const std::string& getSubscriptionName() const; |
| virtual const std::string& getTopic() const; |
| virtual const std::string& getName() const; |
| virtual Result receive(Message& msg); |
| virtual Result receive(Message& msg, int timeout); |
| virtual void receiveAsync(ReceiveCallback& callback); |
| virtual void unsubscribeAsync(ResultCallback callback); |
| virtual void acknowledgeAsync(const MessageId& msgId, ResultCallback callback); |
| virtual void acknowledgeCumulativeAsync(const MessageId& msgId, ResultCallback callback); |
| virtual void closeAsync(ResultCallback callback); |
| virtual void start(); |
| virtual void shutdown(); |
| virtual bool isClosed(); |
| virtual bool isOpen(); |
| virtual Result pauseMessageListener(); |
| virtual Result resumeMessageListener(); |
| virtual void redeliverUnacknowledgedMessages(); |
| virtual void redeliverUnacknowledgedMessages(const std::set<MessageId>& messageIds); |
| virtual int getNumOfPrefetchedMessages() const; |
| virtual void getBrokerConsumerStatsAsync(BrokerConsumerStatsCallback callback); |
| void handleGetConsumerStats(Result, BrokerConsumerStats, LatchPtr, MultiTopicsBrokerConsumerStatsPtr, |
| size_t, BrokerConsumerStatsCallback); |
| // return first topic name when all topics name valid, or return null pointer |
| static std::shared_ptr<TopicName> topicNamesValid(const std::vector<std::string>& topics); |
| void unsubscribeOneTopicAsync(const std::string& topic, ResultCallback callback); |
| Future<Result, Consumer> subscribeOneTopicAsync(const std::string& topic); |
| // not supported |
| virtual void seekAsync(const MessageId& msgId, ResultCallback callback); |
| virtual void seekAsync(uint64_t timestamp, ResultCallback callback); |
| |
| virtual void negativeAcknowledge(const MessageId& msgId); |
| |
| protected: |
| const ClientImplPtr client_; |
| const std::string subscriptionName_; |
| std::string consumerStr_; |
| std::string topic_; |
| const ConsumerConfiguration conf_; |
| typedef std::map<std::string, ConsumerImplPtr> ConsumerMap; |
| ConsumerMap consumers_; |
| std::map<std::string, int> topicsPartitions_; |
| std::mutex mutex_; |
| std::mutex pendingReceiveMutex_; |
| MultiTopicsConsumerState state_; |
| std::shared_ptr<std::atomic<int>> numberTopicPartitions_; |
| LookupServicePtr lookupServicePtr_; |
| BlockingQueue<Message> messages_; |
| ExecutorServicePtr listenerExecutor_; |
| MessageListener messageListener_; |
| Promise<Result, ConsumerImplBaseWeakPtr> multiTopicsConsumerCreatedPromise_; |
| UnAckedMessageTrackerPtr unAckedMessageTrackerPtr_; |
| const std::vector<std::string>& topics_; |
| std::queue<ReceiveCallback> pendingReceives_; |
| |
| /* methods */ |
| void setState(MultiTopicsConsumerState state); |
| bool compareAndSetState(MultiTopicsConsumerState expect, MultiTopicsConsumerState update); |
| |
| void handleSinglePartitionConsumerCreated(Result result, ConsumerImplBaseWeakPtr consumerImplBaseWeakPtr, |
| unsigned int partitionIndex); |
| void handleSingleConsumerClose(Result result, std::string& topicPartitionName, CloseCallback callback); |
| void notifyResult(CloseCallback closeCallback); |
| void messageReceived(Consumer consumer, const Message& msg); |
| void internalListener(Consumer consumer); |
| void receiveMessages(); |
| void failPendingReceiveCallback(); |
| |
| void handleOneTopicSubscribed(Result result, Consumer consumer, const std::string& topic, |
| std::shared_ptr<std::atomic<int>> topicsNeedCreate); |
| void subscribeTopicPartitions(const Result result, const LookupDataResultPtr partitionMetadata, |
| TopicNamePtr topicName, const std::string& consumerName, |
| ConsumerConfiguration conf, |
| ConsumerSubResultPromisePtr topicSubResultPromise); |
| void handleSingleConsumerCreated(Result result, ConsumerImplBaseWeakPtr consumerImplBaseWeakPtr, |
| std::shared_ptr<std::atomic<int>> partitionsNeedCreate, |
| ConsumerSubResultPromisePtr topicSubResultPromise); |
| void handleUnsubscribedAsync(Result result, std::shared_ptr<std::atomic<int>> consumerUnsubed, |
| ResultCallback callback); |
| void handleOneTopicUnsubscribedAsync(Result result, std::shared_ptr<std::atomic<int>> consumerUnsubed, |
| int numberPartitions, TopicNamePtr topicNamePtr, |
| std::string& topicPartitionName, ResultCallback callback); |
| |
| private: |
| virtual void setNegativeAcknowledgeEnabledForTesting(bool enabled); |
| |
| FRIEND_TEST(ConsumerTest, testMultiTopicsConsumerUnAckedMessageRedelivery); |
| }; |
| |
| typedef std::shared_ptr<MultiTopicsConsumerImpl> MultiTopicsConsumerImplPtr; |
| } // namespace pulsar |
| #endif // PULSAR_MULTI_TOPICS_CONSUMER_HEADER |