64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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* Copyright (c) 2018 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#pragma once
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#include <maxscale/ccdefs.hh>
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#include <unordered_map>
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#include <maxscale/server.hh>
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#include <maxbase/average.hh>
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#include <maxbase/stopwatch.hh>
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namespace maxscale
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{
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/** ServerStats is a class to hold server statistics associated with a router */
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class ServerStats
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{
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public:
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struct CurrentStats
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{
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maxbase::Duration ave_session_dur;
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double ave_session_active_pct;
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int64_t ave_session_selects;
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int64_t total_queries;
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int64_t total_read_queries;
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int64_t total_write_queries;
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};
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void start_session();
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void end_session(maxbase::Duration sess_duration, maxbase::Duration active_duration, int64_t num_selects);
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CurrentStats current_stats() const;
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ServerStats& operator+=(const ServerStats& rhs);
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// These are exactly what they were in struct ServerStats, in readwritesplit.hh.
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// (well, but I changed uint64_t to int64_t).
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// TODO make these private, and add functions to modify them.
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int64_t total = 0;
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int64_t read = 0;
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int64_t write = 0;
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private:
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maxbase::CumulativeAverage m_ave_session_dur;
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maxbase::CumulativeAverage m_ave_active_dur;
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maxbase::CumulativeAverage m_num_ave_session_selects;
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};
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using SrvStatMap = std::unordered_map<SERVER*, ServerStats>;
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}
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