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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "bufferwriter.h"
#include <vector>
#include <cstdint>
namespace search {
/**
* Class to write to a "drain" buffer, used to measure performance of
* BufferWriter and measure number of bytes written.
*/
class DrainingBufferWriter : public BufferWriter
{
std::vector<char> _buf;
size_t _bytesWritten;
uint32_t _incompleteBuffers;
public:
static constexpr size_t BUFFER_SIZE = 262144;
DrainingBufferWriter();
~DrainingBufferWriter() override;
void flush() override;
size_t getBytesWritten() const { return _bytesWritten; }
};
} // namespace search
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