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#pragma once
#include <IO/CompressedReadBufferWrapper.h>
#include <IO/CompressionMethod.h>
#include <IO/ReadBuffer.h>
#include <zstd.h>
namespace DB
{
namespace ErrorCodes
{
}
class ZstdInflatingReadBuffer : public CompressedReadBufferWrapper
{
public:
explicit ZstdInflatingReadBuffer(
std::unique_ptr<ReadBuffer> in_,
size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE,
char * existing_memory = nullptr,
size_t alignment = 0,
int zstd_window_log_max = 0);
~ZstdInflatingReadBuffer() override;
private:
bool nextImpl() override;
ZSTD_DCtx * dctx;
ZSTD_inBuffer input;
ZSTD_outBuffer output;
bool eof_flag = false;
};
}
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