82 lines
1.7 KiB
C++
82 lines
1.7 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef nvs_pagemanager_hpp
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#define nvs_pagemanager_hpp
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#include <memory>
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#include <list>
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#include "nvs_types.hpp"
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#include "nvs_page.hpp"
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#include "nvs_pagemanager.hpp"
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#include "intrusive_list.h"
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namespace nvs
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{
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class PageManager
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{
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using TPageList = intrusive_list<Page>;
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using TPageListIterator = TPageList::iterator;
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public:
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PageManager() {}
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esp_err_t load(uint32_t baseSector, uint32_t sectorCount);
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TPageListIterator begin()
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{
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return mPageList.begin();
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}
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TPageListIterator end()
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{
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return mPageList.end();
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}
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Page& back()
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{
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return mPageList.back();
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}
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uint32_t getPageCount() {
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return mPageCount;
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}
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esp_err_t requestNewPage();
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esp_err_t fillStats(nvs_stats_t& nvsStats);
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uint32_t getBaseSector()
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{
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return mBaseSector;
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}
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protected:
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friend class Iterator;
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esp_err_t activatePage();
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TPageList mPageList;
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TPageList mFreePageList;
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std::unique_ptr<Page[]> mPages;
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uint32_t mBaseSector;
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uint32_t mPageCount;
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uint32_t mSeqNumber;
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}; // class PageManager
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} // namespace nvs
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#endif /* nvs_pagemanager_hpp */
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