refactor: manage monitor via gateway hooks

plugin/hooks/gateway-start.ts

@@ -0,0 +1,33 @@
+import { hostname } from 'os';
+import { getPluginConfig } from '../core/config';
+import { startManagedMonitor } from '../core/managed-monitor';
+
+export function registerGatewayStartHook(api: any, deps: {
+  logger: any;
+  pushMetaToMonitor: () => Promise<void>;
+  startCalendarScheduler: () => void;
+  setMetaPushInterval: (handle: ReturnType<typeof setInterval>) => void;
+}) {
+  const { logger, pushMetaToMonitor, startCalendarScheduler, setMetaPushInterval } = deps;
+
+  api.on('gateway_start', () => {
+    logger.info('HarborForge plugin active');
+    const live = getPluginConfig(api);
+
+    startManagedMonitor(logger, {
+      managedMonitor: live.managedMonitor,
+      monitor_port: live.monitor_port,
+      logLevel: live.logLevel,
+    });
+
+    const intervalSec = live.reportIntervalSec || 30;
+    setTimeout(() => void pushMetaToMonitor(), 2000);
+    setMetaPushInterval(setInterval(() => void pushMetaToMonitor(), intervalSec * 1000));
+
+    if (live.enabled !== false && live.calendarEnabled !== false) {
+      setTimeout(() => startCalendarScheduler(), 5000);
+    }
+
+    logger.info(`HarborForge startup config identifier=${live.identifier || hostname()} backend=${live.backendUrl}`);
+  });
+}

plugin/hooks/gateway-stop.ts

@@ -0,0 +1,23 @@
+import { stopManagedMonitor } from '../core/managed-monitor';
+
+export function registerGatewayStopHook(api: any, deps: {
+  logger: any;
+  getMetaPushInterval: () => ReturnType<typeof setInterval> | null;
+  clearMetaPushInterval: () => void;
+  stopCalendarScheduler: () => void;
+}) {
+  const { logger, getMetaPushInterval, clearMetaPushInterval, stopCalendarScheduler } = deps;
+
+  api.on('gateway_stop', () => {
+    logger.info('HarborForge plugin stopping');
+
+    const handle = getMetaPushInterval();
+    if (handle) {
+      clearInterval(handle);
+      clearMetaPushInterval();
+    }
+
+    stopCalendarScheduler();
+    stopManagedMonitor(logger);
+  });
+}