ClickHouse/src/IO/ReadBufferFromPocoSocket.h
2020-04-03 18:14:31 +03:00

34 lines
785 B
C++

#pragma once
#include <Poco/Net/Socket.h>
#include <IO/ReadBuffer.h>
#include <IO/BufferWithOwnMemory.h>
namespace DB
{
/** Works with the ready Poco::Net::Socket. Blocking operations.
*/
class ReadBufferFromPocoSocket : public BufferWithOwnMemory<ReadBuffer>
{
protected:
Poco::Net::Socket & socket;
/** For error messages. It is necessary to receive this address in advance, because,
* for example, if the connection is broken, the address will not be received anymore
* (getpeername will return an error).
*/
Poco::Net::SocketAddress peer_address;
bool nextImpl() override;
public:
ReadBufferFromPocoSocket(Poco::Net::Socket & socket_, size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE);
bool poll(size_t timeout_microseconds);
};
}