| /* |
| * 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. |
| */ |
| #pragma once |
| |
| #include <memory> |
| #include <mutex> |
| #include <string> |
| #include <system_error> |
| |
| #include "ConsumeMessageService.h" |
| #include "ThreadPool.h" |
| #include "absl/container/flat_hash_map.h" |
| #include "rocketmq/State.h" |
| |
| ROCKETMQ_NAMESPACE_BEGIN |
| |
| class PushConsumerImpl; |
| |
| class ConsumeMessageServiceImpl : public ConsumeMessageService, |
| public std::enable_shared_from_this<ConsumeMessageServiceImpl> { |
| public: |
| ConsumeMessageServiceImpl(std::weak_ptr<PushConsumerImpl> consumer, |
| int thread_count, |
| MessageListener message_listener); |
| |
| ~ConsumeMessageServiceImpl() override = default; |
| |
| /** |
| * Make it noncopyable. |
| */ |
| ConsumeMessageServiceImpl(const ConsumeMessageServiceImpl& other) = delete; |
| ConsumeMessageServiceImpl& operator=(const ConsumeMessageServiceImpl& other) = delete; |
| |
| void start() override; |
| |
| void shutdown() override; |
| |
| MessageListener& listener() override { |
| return message_listener_; |
| } |
| |
| bool preHandle(const Message& message) override; |
| |
| bool postHandle(const Message& message, ConsumeResult result) override; |
| |
| void submit(std::shared_ptr<ConsumeTask> task) override; |
| |
| void dispatch(std::shared_ptr<ProcessQueue> process_queue, std::vector<MessageConstSharedPtr> messages) override; |
| |
| void ack(const Message& message, std::function<void(const std::error_code&)> cb) override; |
| |
| void nack(const Message& message, std::function<void(const std::error_code&)> cb) override; |
| |
| void forward(const Message& message, std::function<void(const std::error_code&)> cb) override; |
| |
| void schedule(std::shared_ptr<ConsumeTask> task, std::chrono::milliseconds delay) override; |
| |
| std::size_t maxDeliveryAttempt() override; |
| |
| std::weak_ptr<PushConsumerImpl> consumer() override; |
| |
| protected: |
| std::atomic<State> state_; |
| |
| int thread_count_; |
| std::unique_ptr<ThreadPool> pool_; |
| std::weak_ptr<PushConsumerImpl> consumer_; |
| |
| MessageListener message_listener_; |
| }; |
| |
| ROCKETMQ_NAMESPACE_END |