64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2018 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2022-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
#pragma once
|
|
|
|
#include <maxscale/ccdefs.hh>
|
|
|
|
|
|
#include <map>
|
|
|
|
#include <maxscale/server.hh>
|
|
#include <maxbase/average.hh>
|
|
#include <maxbase/stopwatch.hh>
|
|
|
|
namespace maxscale
|
|
{
|
|
|
|
/** ServerStats is a class to hold server statistics associated with a router */
|
|
class ServerStats
|
|
{
|
|
|
|
public:
|
|
struct CurrentStats
|
|
{
|
|
maxbase::Duration ave_session_dur;
|
|
double ave_session_active_pct;
|
|
int64_t ave_session_selects;
|
|
int64_t total_queries;
|
|
int64_t total_read_queries;
|
|
int64_t total_write_queries;
|
|
};
|
|
|
|
void start_session();
|
|
void end_session(maxbase::Duration sess_duration, maxbase::Duration active_duration, int64_t num_selects);
|
|
|
|
CurrentStats current_stats() const;
|
|
|
|
ServerStats& operator+=(const ServerStats& rhs);
|
|
|
|
// These are exactly what they were in struct ServerStats, in readwritesplit.hh.
|
|
// (well, but I changed uint64_t to int64_t).
|
|
// TODO make these private, and add functions to modify them.
|
|
int64_t total = 0;
|
|
int64_t read = 0;
|
|
int64_t write = 0;
|
|
|
|
private:
|
|
maxbase::CumulativeAverage m_ave_session_dur;
|
|
maxbase::CumulativeAverage m_ave_active_dur;
|
|
maxbase::CumulativeAverage m_num_ave_session_selects;
|
|
};
|
|
|
|
using SrvStatMap = std::map<SERVER*, ServerStats>;
|
|
}
|