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[INLONG-10780][SDK] Optimize memory management for DataProxy CPP SDK
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inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-cpp/src/manager/buffer_manager.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
|
|
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| #include <queue> | ||
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| #include "../config/sdk_conf.h" | ||
| #include "../utils/send_buffer.h" | ||
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| #ifndef INLONG_BUFFER_MANAGER_H | ||
| #define INLONG_BUFFER_MANAGER_H | ||
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| namespace inlong { | ||
| class BufferManager { | ||
| private: | ||
| std::queue<SendBufferPtrT> buffer_queue_; | ||
| mutable std::mutex mutex_; | ||
| uint32_t queue_limit_; | ||
| BufferManager() { | ||
| uint32_t data_capacity_ = std::max(SdkConfig::getInstance()->max_msg_size_, | ||
| SdkConfig::getInstance()->pack_size_); | ||
| uint32_t buffer_num = | ||
| (SdkConfig::getInstance()->recv_buf_size_ / data_capacity_) * | ||
| SdkConfig::getInstance()->instance_num_; | ||
| queue_limit_ = | ||
| std::min(SdkConfig::getInstance()->max_cache_num_, buffer_num); | ||
| LOG_INFO("Data capacity:" | ||
| << data_capacity_ << ", buffer num: " << buffer_num | ||
| << ", instance num: " << SdkConfig::getInstance()->instance_num_ | ||
| << ", limit: " << queue_limit_ << " ,max cache num: " | ||
| << SdkConfig::getInstance()->max_cache_num_); | ||
| for ( uint32_t index = 0; index < queue_limit_; index++) { | ||
| std::shared_ptr<SendBuffer> send_buffer = | ||
| std::make_shared<SendBuffer>(data_capacity_); | ||
| if (send_buffer == nullptr) { | ||
| LOG_INFO("Buffer manager is null"); | ||
| continue; | ||
| } | ||
| AddSendBuffer(send_buffer); | ||
| } | ||
| } | ||
|
|
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| public: | ||
| static BufferManager *GetInstance() { | ||
| static BufferManager instance; | ||
| return &instance; | ||
| } | ||
| SendBufferPtrT GetSendBuffer() { | ||
| std::lock_guard<std::mutex> lck(mutex_); | ||
| if (buffer_queue_.empty()) { | ||
| return nullptr; | ||
| } | ||
| SendBufferPtrT buf = buffer_queue_.front(); | ||
| buffer_queue_.pop(); | ||
| return buf; | ||
| } | ||
| void AddSendBuffer(const SendBufferPtrT &send_buffer) { | ||
| if (nullptr == send_buffer) { | ||
| return; | ||
| } | ||
| send_buffer->releaseBuf(); | ||
| std::lock_guard<std::mutex> lck(mutex_); | ||
| if (buffer_queue_.size() > queue_limit_) { | ||
| return; | ||
| } | ||
| buffer_queue_.emplace(send_buffer); | ||
| } | ||
| }; | ||
| } // namespace inlong | ||
| #endif // INLONG_BUFFER_MANAGER_H |
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