libcryfs/interface/helpers/BlockStoreWithRandomKeys.h

28 lines
757 B
C++

#pragma once
#ifndef FSPP_BLOCKSTORE_BLOCKSTOREWITHRANDOMKEYS_H_
#define FSPP_BLOCKSTORE_BLOCKSTOREWITHRANDOMKEYS_H_
#include "../BlockStore.h"
#include "../Block.h"
namespace blockstore {
// This is an implementation helpers for BlockStores that use random block keys.
// You should never give this static type to the client. The client should always
// work with the BlockStore interface instead.
class BlockStoreWithRandomKeys: public BlockStore {
public:
//TODO Use boost::optional (if key already exists)
// Return nullptr if key already exists
virtual std::unique_ptr<Block> create(const Key &key, size_t size) = 0;
std::unique_ptr<Block> create(size_t size) final;
private:
std::unique_ptr<Block> tryCreate(size_t size);
};
}
#endif