libcryfs/implementations/onblocks/datanodestore/DataLeafNode.h

37 lines
811 B
C++

#pragma once
#ifndef BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_DATANODESTORE_DATALEAFNODE_H_
#define BLOBSTORE_IMPLEMENTATIONS_ONBLOCKS_DATANODESTORE_DATALEAFNODE_H_
#include "DataNode.h"
namespace blobstore {
namespace onblocks {
namespace datanodestore {
class DataInnerNode;
class DataLeafNode: public DataNode {
public:
static cpputils::unique_ref<DataLeafNode> InitializeNewNode(cpputils::unique_ref<blockstore::Block> block);
DataLeafNode(DataNodeView block);
virtual ~DataLeafNode();
uint32_t maxStoreableBytes() const;
void read(void *target, uint64_t offset, uint64_t size) const;
void write(const void *source, uint64_t offset, uint64_t size);
uint32_t numBytes() const;
void resize(uint32_t size);
private:
void fillDataWithZeroesFromTo(off_t begin, off_t end);
};
}
}
}
#endif