libcryfs/interface/Blob.h
2015-10-15 13:10:20 +02:00

36 lines
818 B
C++

#pragma once
#ifndef MESSMER_BLOBSTORE_INTERFACE_BLOB_H_
#define MESSMER_BLOBSTORE_INTERFACE_BLOB_H_
#include <cstring>
#include <cstdint>
#include <messmer/blockstore/utils/Key.h>
#include <messmer/cpp-utils/data/Data.h>
namespace blobstore {
class Blob {
public:
virtual ~Blob() {}
//TODO Use own Key class for blobstore
virtual const blockstore::Key &key() const = 0;
virtual uint64_t size() const = 0;
virtual void resize(uint64_t numBytes) = 0;
virtual cpputils::Data readAll() const = 0;
virtual void read(void *target, uint64_t offset, uint64_t size) const = 0;
virtual uint64_t tryRead(void *target, uint64_t offset, uint64_t size) const = 0;
virtual void write(const void *source, uint64_t offset, uint64_t size) = 0;
virtual void flush() = 0;
//TODO Test tryRead
};
}
#endif