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#pragma once
#include <IO/BufferWithOwnMemory.h>
#include <IO/ReadBuffer.h>
#include <Common/AsyncTaskExecutor.h>
#include <Poco/Net/Socket.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:
explicit ReadBufferFromPocoSocket(Poco::Net::Socket & socket_, size_t buf_size = DBMS_DEFAULT_BUFFER_SIZE);
bool poll(size_t timeout_microseconds) const;
void setAsyncCallback(AsyncCallback async_callback_) { async_callback = std::move(async_callback_); }
private:
AsyncCallback async_callback;
std::string socket_description;
};
}
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