fix(monitoring): align domain activity metrics with id-keyed route data

test/test.metricsmanager.route-keys.node.ts

@@ -0,0 +1,120 @@
+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import { MetricsManager } from '../ts/monitoring/classes.metricsmanager.js';
+
+const emptyProtocolDistribution = {
+  h1Active: 0,
+  h1Total: 0,
+  h2Active: 0,
+  h2Total: 0,
+  h3Active: 0,
+  h3Total: 0,
+  wsActive: 0,
+  wsTotal: 0,
+  otherActive: 0,
+  otherTotal: 0,
+};
+
+function createProxyMetrics(args: {
+  connectionsByRoute: Map<string, number>;
+  throughputByRoute: Map<string, { in: number; out: number }>;
+  domainRequestsByIP: Map<string, Map<string, number>>;
+  requestsTotal?: number;
+}) {
+  return {
+    connections: {
+      active: () => 0,
+      total: () => 0,
+      byRoute: () => args.connectionsByRoute,
+      byIP: () => new Map<string, number>(),
+      topIPs: () => [],
+      domainRequestsByIP: () => args.domainRequestsByIP,
+      topDomainRequests: () => [],
+      frontendProtocols: () => emptyProtocolDistribution,
+      backendProtocols: () => emptyProtocolDistribution,
+    },
+    throughput: {
+      instant: () => ({ in: 0, out: 0 }),
+      recent: () => ({ in: 0, out: 0 }),
+      average: () => ({ in: 0, out: 0 }),
+      custom: () => ({ in: 0, out: 0 }),
+      history: () => [],
+      byRoute: () => args.throughputByRoute,
+      byIP: () => new Map<string, { in: number; out: number }>(),
+    },
+    requests: {
+      perSecond: () => 0,
+      perMinute: () => 0,
+      total: () => args.requestsTotal || 0,
+    },
+    totals: {
+      bytesIn: () => 0,
+      bytesOut: () => 0,
+      connections: () => 0,
+    },
+    backends: {
+      byBackend: () => new Map<string, any>(),
+      protocols: () => new Map<string, string>(),
+      topByErrors: () => [],
+      detectedProtocols: () => [],
+    },
+  };
+}
+
+tap.test('MetricsManager joins domain activity to id-keyed route metrics', async () => {
+  const proxyMetrics = createProxyMetrics({
+    connectionsByRoute: new Map([
+      ['route-id-only', 4],
+    ]),
+    throughputByRoute: new Map([
+      ['route-id-only', { in: 1200, out: 2400 }],
+    ]),
+    domainRequestsByIP: new Map([
+      ['192.0.2.10', new Map([
+        ['alpha.example.com', 3],
+        ['beta.example.com', 1],
+      ])],
+    ]),
+    requestsTotal: 4,
+  });
+
+  const smartProxy = {
+    getMetrics: () => proxyMetrics,
+    routeManager: {
+      getRoutes: () => [
+        {
+          id: 'route-id-only',
+          match: {
+            ports: [443],
+            domains: ['alpha.example.com', 'beta.example.com'],
+          },
+          action: {
+            type: 'forward',
+            targets: [{ host: '127.0.0.1', port: 8443 }],
+          },
+        },
+      ],
+    },
+  };
+
+  const manager = new MetricsManager({ smartProxy } as any);
+  const stats = await manager.getNetworkStats();
+  const alpha = stats.domainActivity.find((item) => item.domain === 'alpha.example.com');
+  const beta = stats.domainActivity.find((item) => item.domain === 'beta.example.com');
+
+  expect(alpha).toBeDefined();
+  expect(beta).toBeDefined();
+
+  expect(alpha!.requestCount).toEqual(3);
+  expect(alpha!.routeCount).toEqual(1);
+  expect(alpha!.activeConnections).toEqual(3);
+  expect(alpha!.bytesInPerSecond).toEqual(900);
+  expect(alpha!.bytesOutPerSecond).toEqual(1800);
+
+  expect(beta!.requestCount).toEqual(1);
+  expect(beta!.routeCount).toEqual(1);
+  expect(beta!.activeConnections).toEqual(1);
+  expect(beta!.bytesInPerSecond).toEqual(300);
+  expect(beta!.bytesOutPerSecond).toEqual(600);
+});
+
+export default tap.start();