MNN/source/core/FileLoader.hpp

40 lines
874 B
C++

//
// FileLoader.hpp
// MNN
//
// Created by MNN on 2019/07/04.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include <vector>
#include <mutex>
#include "core/AutoStorage.h"
namespace MNN {
class MNN_PUBLIC FileLoader {
public:
FileLoader(const char* file);
~FileLoader();
bool read();
static bool write(const char* filePath, std::pair<const void*, size_t> verifyInfo, std::pair<const void*, size_t> cacheInfo);
bool valid() const {
return mFile != nullptr;
}
inline size_t size() const {
return mTotalSize;
}
bool merge(AutoStorage<uint8_t>& buffer);
private:
std::vector<std::pair<size_t, void*>> mBlocks;
FILE* mFile = nullptr;
static const int gCacheSize = 4096;
size_t mTotalSize = 0;
const char* mFilePath = nullptr;
};
} // namespace MNN