thin-provisioning-tools/thin-provisioning/fixed_chunk_stream.h

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#ifndef THIN_PROVISIONING_FIXED_CHUNK_STREAM_H
#define THIN_PROVISIONING_FIXED_CHUNK_STREAM_H
#include "thin-provisioning/chunk_stream.h"
//----------------------------------------------------------------
namespace thin_provisioning {
class fixed_chunk_stream : public chunk_stream {
public:
fixed_chunk_stream(chunk_stream &stream, unsigned chunk_size);
~fixed_chunk_stream();
virtual bcache::block_address size() const;
virtual void rewind();
virtual bool next(bcache::block_address count = 1ull);
virtual bool eof() const;
virtual chunk const &get();
virtual void put(chunk const &c);
private:
bool next_big_chunk();
bool advance_one();
void put_big_chunk();
bcache::block_address index_;
chunk_stream &stream_;
unsigned chunk_size_;
chunk const *big_chunk_;
uint8_t *little_b_, *little_e_, *last_hashed_;
chunk little_chunk_;
};
}
//----------------------------------------------------------------
#endif