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#pragma once
#include <IO/ReadBuffer.h>
namespace DB
{
/** Reading packets.
* Internally, it calls (if no more data) next() method of the underlying ReadBufferFromPocoSocket, and sets the working buffer to the rest part of the current packet payload.
*/
class MySQLPacketPayloadReadBuffer : public ReadBuffer
{
private:
ReadBuffer & in;
uint8_t & sequence_id;
bool has_read_header = false;
// Size of packet which is being read now.
size_t payload_length = 0;
// Offset in packet payload.
size_t offset = 0;
protected:
bool nextImpl() override;
public:
MySQLPacketPayloadReadBuffer(ReadBuffer & in_, uint8_t & sequence_id_);
};
}
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