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#pragma once
#include <IO/CompressedReadBufferWrapper.h>
#include <IO/CompressionMethod.h>
#include <IO/ReadBuffer.h>
#include <lz4.h>
#include <lz4frame.h>
namespace DB
{
class Lz4InflatingReadBuffer : public CompressedReadBufferWrapper
{
public:
explicit Lz4InflatingReadBuffer(
std::unique_ptr<ReadBuffer> in_,
size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
char * existing_memory = nullptr,
size_t alignment = 0);
~Lz4InflatingReadBuffer() override;
private:
bool nextImpl() override;
LZ4F_dctx* dctx;
void * in_data;
void * out_data;
size_t in_available;
size_t out_available;
bool eof_flag = false;
};
}
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