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/*
** Copyright 2017, The Android Open Source Project
**
** Licensed 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 ANDROID_FILE_BLOB_CACHE_H
#define ANDROID_FILE_BLOB_CACHE_H
#include "BlobCache.h"
#include <string>
namespace android {
uint32_t crc32c(const uint8_t* buf, size_t len);
class FileBlobCache : public BlobCache {
public:
// FileBlobCache attempts to load the saved cache contents from disk into
// BlobCache.
FileBlobCache(size_t maxKeySize, size_t maxValueSize, size_t maxTotalSize,
const std::string& filename);
// writeToFile attempts to save the current contents of BlobCache to
// disk.
void writeToFile();
// Return the total size of the cache
size_t getSize();
private:
// mFilename is the name of the file for storing cache contents.
std::string mFilename;
};
} // namespace android
#endif // ANDROID_BLOB_CACHE_H
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