ClickHouse/src/IO/TimeoutSetter.h

#pragma once

#include <Poco/Net/StreamSocket.h>
#include <Poco/Timespan.h>


namespace DB
{
/// Temporarily overrides socket send/receive timeouts and reset them back into destructor (or manually by calling reset method)
/// If "limit_max_timeout" is true, timeouts could be only decreased (maxed by previous value).
struct TimeoutSetter
{
    TimeoutSetter(Poco::Net::StreamSocket & socket_,
        Poco::Timespan send_timeout_,
        Poco::Timespan receive_timeout_,
        bool limit_max_timeout = false);

    TimeoutSetter(Poco::Net::StreamSocket & socket_, Poco::Timespan timeout_, bool limit_max_timeout = false);

    ~TimeoutSetter();

    /// Reset timeouts back.
    void reset();

    Poco::Net::StreamSocket & socket;

    Poco::Timespan send_timeout;
    Poco::Timespan receive_timeout;

    Poco::Timespan old_send_timeout;
    Poco::Timespan old_receive_timeout;
    bool was_reset = false;
};
}