mirror of
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122 lines
4.7 KiB
C++
122 lines
4.7 KiB
C++
#pragma once
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#include <Core/Defines.h>
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#include <Interpreters/Context_fwd.h>
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#include <Poco/Timespan.h>
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namespace DB
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{
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struct Settings;
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struct ConnectionTimeouts
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{
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Poco::Timespan connection_timeout;
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Poco::Timespan send_timeout;
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Poco::Timespan receive_timeout;
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Poco::Timespan tcp_keep_alive_timeout;
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Poco::Timespan http_keep_alive_timeout;
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Poco::Timespan secure_connection_timeout;
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/// Timeouts for HedgedConnections
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Poco::Timespan hedged_connection_timeout;
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Poco::Timespan receive_data_timeout;
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/// Timeout for synchronous request-result protocol call (like Ping or TablesStatus)
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Poco::Timespan sync_request_timeout = Poco::Timespan(DBMS_DEFAULT_SYNC_REQUEST_TIMEOUT_SEC, 0);
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ConnectionTimeouts() = default;
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ConnectionTimeouts(Poco::Timespan connection_timeout_,
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Poco::Timespan send_timeout_,
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Poco::Timespan receive_timeout_)
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: connection_timeout(connection_timeout_),
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send_timeout(send_timeout_),
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receive_timeout(receive_timeout_),
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tcp_keep_alive_timeout(0),
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http_keep_alive_timeout(0),
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secure_connection_timeout(connection_timeout),
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hedged_connection_timeout(receive_timeout_),
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receive_data_timeout(receive_timeout_)
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{
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}
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ConnectionTimeouts(Poco::Timespan connection_timeout_,
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Poco::Timespan send_timeout_,
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Poco::Timespan receive_timeout_,
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Poco::Timespan tcp_keep_alive_timeout_)
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: connection_timeout(connection_timeout_),
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send_timeout(send_timeout_),
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receive_timeout(receive_timeout_),
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tcp_keep_alive_timeout(tcp_keep_alive_timeout_),
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http_keep_alive_timeout(0),
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secure_connection_timeout(connection_timeout),
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hedged_connection_timeout(receive_timeout_),
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receive_data_timeout(receive_timeout_)
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{
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}
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ConnectionTimeouts(Poco::Timespan connection_timeout_,
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Poco::Timespan send_timeout_,
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Poco::Timespan receive_timeout_,
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Poco::Timespan tcp_keep_alive_timeout_,
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Poco::Timespan http_keep_alive_timeout_)
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: connection_timeout(connection_timeout_),
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send_timeout(send_timeout_),
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receive_timeout(receive_timeout_),
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tcp_keep_alive_timeout(tcp_keep_alive_timeout_),
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http_keep_alive_timeout(http_keep_alive_timeout_),
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secure_connection_timeout(connection_timeout),
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hedged_connection_timeout(receive_timeout_),
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receive_data_timeout(receive_timeout_)
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{
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}
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ConnectionTimeouts(Poco::Timespan connection_timeout_,
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Poco::Timespan send_timeout_,
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Poco::Timespan receive_timeout_,
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Poco::Timespan tcp_keep_alive_timeout_,
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Poco::Timespan http_keep_alive_timeout_,
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Poco::Timespan secure_connection_timeout_,
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Poco::Timespan receive_hello_timeout_,
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Poco::Timespan receive_data_timeout_)
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: connection_timeout(connection_timeout_),
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send_timeout(send_timeout_),
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receive_timeout(receive_timeout_),
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tcp_keep_alive_timeout(tcp_keep_alive_timeout_),
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http_keep_alive_timeout(http_keep_alive_timeout_),
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secure_connection_timeout(secure_connection_timeout_),
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hedged_connection_timeout(receive_hello_timeout_),
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receive_data_timeout(receive_data_timeout_)
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{
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}
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static Poco::Timespan saturate(Poco::Timespan timespan, Poco::Timespan limit)
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{
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if (limit.totalMicroseconds() == 0)
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return timespan;
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else
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return (timespan > limit) ? limit : timespan;
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}
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ConnectionTimeouts getSaturated(Poco::Timespan limit) const
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{
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return ConnectionTimeouts(saturate(connection_timeout, limit),
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saturate(send_timeout, limit),
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saturate(receive_timeout, limit),
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saturate(tcp_keep_alive_timeout, limit),
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saturate(http_keep_alive_timeout, limit),
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saturate(secure_connection_timeout, limit),
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saturate(hedged_connection_timeout, limit),
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saturate(receive_data_timeout, limit));
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}
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/// Timeouts for the case when we have just single attempt to connect.
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static ConnectionTimeouts getTCPTimeoutsWithoutFailover(const Settings & settings);
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/// Timeouts for the case when we will try many addresses in a loop.
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static ConnectionTimeouts getTCPTimeoutsWithFailover(const Settings & settings);
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static ConnectionTimeouts getHTTPTimeouts(ContextPtr context);
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};
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}
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