network_metrics_example.cpp

Category

Observability - Metrics and monitoring

Demonstrates:

• histogram for latency tracking
• metric_reporter for standard network metrics
• Metric name constants

See also

kcenon::network::metrics::histogram

kcenon::network::metrics::metric_reporter

/*****************************************************************************
BSD 3-Clause License
 
Copyright (c) 2024, 🍀☀🌕🌥 🌊
All rights reserved.
*****************************************************************************/
 
#include <kcenon/network/metrics/metrics.h>
 
#include <cstdlib>
#include <iostream>
#include <string>
 
using namespace kcenon::network;
 
int main()
{
    std::cout << "=== Network Metrics Example ===" << std::endl;
 
    // 1. Histogram for latency tracking
    std::cout << "\n1. Histogram (latency tracking):" << std::endl;
    metrics::histogram latency_hist;
 
    // Simulate latency measurements
    double latencies[] = {1.2, 2.5, 1.8, 3.1, 2.0, 1.5, 4.2, 2.8, 1.9, 2.3};
    for (double lat : latencies)
    {
        latency_hist.record(lat);
    }
 
    auto snapshot = latency_hist.get_snapshot();
    std::cout << "   Recorded 10 latency measurements" << std::endl;
    std::cout << "   Snapshot retrieved" << std::endl;
 
    // 2. Metric reporter (static convenience methods)
    std::cout << "\n2. Metric reporter:" << std::endl;
    metrics::metric_reporter::report_connection_accepted();
    std::cout << "   Reported: connection accepted" << std::endl;
 
    metrics::metric_reporter::report_bytes_sent(1024);
    std::cout << "   Reported: 1024 bytes sent" << std::endl;
 
    metrics::metric_reporter::report_latency(2.5);
    std::cout << "   Reported: 2.5ms latency" << std::endl;
 
    metrics::metric_reporter::report_connection_failed("timeout");
    std::cout << "   Reported: connection failed (timeout)" << std::endl;
 
    // 3. Standard metric names
    std::cout << "\n3. Standard metric names:" << std::endl;
    std::cout << "   Active connections: " << metrics::metric_names::CONNECTIONS_ACTIVE << std::endl;
    std::cout << "   Bytes sent: " << metrics::metric_names::BYTES_SENT << std::endl;
    std::cout << "   Latency: " << metrics::metric_names::LATENCY_MS << std::endl;
 
    std::cout << "\nDone." << std::endl;
    return 0;
}