init

src/metrics/reporter.rs

@@ -0,0 +1,50 @@
+//! Reporter central — orchestre le snapshot et le logging de toutes les métriques.
+
+use std::sync::Arc;
+use std::time::Duration;
+
+use crate::metrics::AppMetrics;
+
+/// Lance une tâche tokio unique qui reporte toutes les métriques à intervalle régulier.
+pub fn spawn_reporter(metrics: Arc<AppMetrics>, interval: Duration) {
+    let metrics_http = Arc::clone(&metrics.http);
+    let metrics_udp = Arc::clone(&metrics.udp);
+
+    tokio::spawn(async move {
+        let mut ticker = tokio::time::interval(interval);
+        ticker.tick().await;
+
+        let mut prev_http = metrics_http.snapshot();
+        let mut prev_udp = metrics_udp.snapshot();
+
+        loop {
+            ticker.tick().await;
+
+            let current_http = metrics_http.snapshot();
+            let current_udp = metrics_udp.snapshot();
+
+            let http_rates = current_http.rates_since(&prev_http);
+            let udp_rates = current_udp.rates_since(&prev_udp);
+
+            tracing::info!(
+                // ── HTTP ──
+                http_requests_total = current_http.requests_total,
+                http_responses_2xx = current_http.responses_2xx,
+                http_responses_4xx = current_http.responses_4xx,
+                http_responses_5xx = current_http.responses_5xx,
+                http_req_per_sec = format_args!("{:.2}", http_rates.requests_per_sec),
+                http_avg_latency_ms = format_args!("{:.1}", http_rates.avg_latency_ms),
+                // ── UDP ──
+                udp_pkts_rx = current_udp.packets_received,
+                udp_pkts_tx = current_udp.packets_sent,
+                udp_pkts_dropped = current_udp.packets_dropped,
+                udp_pkts_rx_s = format_args!("{:.1}", udp_rates.packets_received_per_sec),
+                udp_pkts_tx_s = format_args!("{:.1}", udp_rates.packets_sent_per_sec),
+                "App metrics"
+            );
+
+            prev_http = current_http;
+            prev_udp = current_udp;
+        }
+    });
+}