Metrics for database connection usage. More...

#include <performance_monitor.h>

Collaboration diagram for database::monitoring::connection_metrics:

Public Member Functions
	connection_metrics ()=default

	connection_metrics (const connection_metrics &other)

	connection_metrics (connection_metrics &&other) noexcept

connection_metrics &	operator= (const connection_metrics &other)

connection_metrics &	operator= (connection_metrics &&other) noexcept

Public Attributes
std::atomic< size_t >	total_connections {0}

std::atomic< size_t >	active_connections {0}

std::atomic< size_t >	idle_connections {0}

std::atomic< size_t >	failed_connections {0}

std::atomic< std::chrono::microseconds >	avg_acquisition_time {std::chrono::microseconds{0}}

std::atomic< std::chrono::microseconds >	max_acquisition_time {std::chrono::microseconds{0}}

std::chrono::steady_clock::time_point	last_update

Detailed Description

Metrics for database connection usage.

Examples: performance_monitoring_demo.cpp.

Definition at line 44 of file performance_monitor.h.

Constructor & Destructor Documentation

◆ connection_metrics() [1/3]

database::monitoring::connection_metrics::connection_metrics ( )

default

◆ connection_metrics() [2/3]

database::monitoring::connection_metrics::connection_metrics ( const connection_metrics & other )

inline

Definition at line 58 of file performance_monitor.h.

                                                            :
            total_connections(other.total_connections.load()),
            active_connections(other.active_connections.load()),
            idle_connections(other.idle_connections.load()),
            failed_connections(other.failed_connections.load()),
            avg_acquisition_time(other.avg_acquisition_time.load()),
            max_acquisition_time(other.max_acquisition_time.load()),
            last_update(other.last_update) {}

◆ connection_metrics() [3/3]

database::monitoring::connection_metrics::connection_metrics ( connection_metrics && other )

inlinenoexcept

Definition at line 68 of file performance_monitor.h.

                                                                :
            total_connections(other.total_connections.load()),
            active_connections(other.active_connections.load()),
            idle_connections(other.idle_connections.load()),
            failed_connections(other.failed_connections.load()),
            avg_acquisition_time(other.avg_acquisition_time.load()),
            max_acquisition_time(other.max_acquisition_time.load()),
            last_update(std::move(other.last_update)) {}

Member Function Documentation

◆ operator=() [1/2]

connection_metrics & database::monitoring::connection_metrics::operator= ( connection_metrics && other )

inlinenoexcept

Definition at line 92 of file performance_monitor.h.

                                                                           {
            if (this != &other) {
                total_connections.store(other.total_connections.load());
                active_connections.store(other.active_connections.load());
                idle_connections.store(other.idle_connections.load());
                failed_connections.store(other.failed_connections.load());
                avg_acquisition_time.store(other.avg_acquisition_time.load());
                max_acquisition_time.store(other.max_acquisition_time.load());
                last_update = std::move(other.last_update);
            }
            return *this;
        }

References active_connections, avg_acquisition_time, failed_connections, idle_connections, last_update, max_acquisition_time, and total_connections.

◆ operator=() [2/2]

connection_metrics & database::monitoring::connection_metrics::operator= ( const connection_metrics & other )

inline

Definition at line 78 of file performance_monitor.h.

                                                                       {
            if (this != &other) {
                total_connections.store(other.total_connections.load());
                active_connections.store(other.active_connections.load());
                idle_connections.store(other.idle_connections.load());
                failed_connections.store(other.failed_connections.load());
                avg_acquisition_time.store(other.avg_acquisition_time.load());
                max_acquisition_time.store(other.max_acquisition_time.load());
                last_update = other.last_update;
            }
            return *this;
        }