添加更多的延迟选择

server/index.js

@@ -842,24 +842,69 @@ app.get('*', (req, res, next) => {
 });
 
 
-// Get latency for A-B connection
+// ==================== Latency Routes CRUD ====================
+
+app.get('/api/latency-routes', async (req, res) => {
+  try {
+    const [rows] = await db.query(`
+      SELECT r.*, s.name as source_name 
+      FROM latency_routes r 
+      LEFT JOIN prometheus_sources s ON r.source_id = s.id 
+      ORDER BY r.created_at DESC
+    `);
+    res.json(rows);
+  } catch (err) {
+    res.status(500).json({ error: 'Failed to fetch latency routes' });
+  }
+});
+
+app.post('/api/latency-routes', requireAuth, async (req, res) => {
+  const { source_id, latency_source, latency_dest, latency_target } = req.body;
+  try {
+    await db.query('INSERT INTO latency_routes (source_id, latency_source, latency_dest, latency_target) VALUES (?, ?, ?, ?)', [source_id, latency_source, latency_dest, latency_target]);
+    res.json({ success: true });
+  } catch (err) {
+    res.status(500).json({ error: 'Failed to add latency route' });
+  }
+});
+
+app.delete('/api/latency-routes/:id', requireAuth, async (req, res) => {
+  try {
+    await db.query('DELETE FROM latency_routes WHERE id = ?', [req.params.id]);
+    res.json({ success: true });
+  } catch (err) {
+    res.status(500).json({ error: 'Failed to delete latency route' });
+  }
+});
+
+// ==================== Metrics Latency ====================
+
 app.get('/api/metrics/latency', async (req, res) => {
   try {
-    const [settings] = await db.query('SELECT blackbox_source_id, latency_target FROM site_settings WHERE id = 1');
-    if (settings.length === 0 || !settings[0].blackbox_source_id || !settings[0].latency_target) {
-      return res.json({ latency: null });
-    }
+    const [routes] = await db.query(`
+      SELECT r.*, s.url 
+      FROM latency_routes r 
+      JOIN prometheus_sources s ON r.source_id = s.id
+    `);
     
-    // Lookup source URL from the source ID
-    const [sources] = await db.query('SELECT url FROM prometheus_sources WHERE id = ?', [settings[0].blackbox_source_id]);
-    if (sources.length === 0) {
-      return res.json({ latency: null });
+    if (routes.length === 0) {
+      // Return empty routes array instead of null for consistency
+      return res.json({ routes: [] });
     }
 
-    const latency = await prometheusService.getLatency(sources[0].url, settings[0].latency_target);
-    res.json({ latency });
+    const results = await Promise.all(routes.map(async (route) => {
+      const latency = await prometheusService.getLatency(route.url, route.latency_target);
+      return {
+        id: route.id,
+        source: route.latency_source,
+        dest: route.latency_dest,
+        latency: latency
+      };
+    }));
+
+    res.json({ routes: results });
   } catch (err) {
-    console.error('Error fetching latency:', err);
+    console.error('Error fetching latencies:', err);
     res.status(500).json({ error: 'Failed to fetch latency' });
   }
 });