initial commit

Signed-off-by: ale <ale@manalejandro.com>

examples/monitoring-dashboard.js

@@ -0,0 +1,103 @@
+#!/usr/bin/env node
+/**
+ * Example: Monitoring system metrics in real-time using SSE
+ */
+
+const EventSource = require('eventsource');
+
+const SSE_URL = 'http://localhost:3000/mcp/sse';
+const API_URL = 'http://localhost:3000';
+
+// Connect to SSE endpoint
+const eventSource = new EventSource(SSE_URL);
+
+eventSource.onopen = () => {
+  console.log('Connected to MCP ProcFS Server\n');
+  startMonitoring();
+};
+
+eventSource.addEventListener('connected', (event) => {
+  const data = JSON.parse(event.data);
+  console.log('Connection confirmed:', data.clientId);
+});
+
+eventSource.onerror = (error) => {
+  console.error('SSE Error:', error);
+};
+
+async function fetchMetric(endpoint) {
+  try {
+    const response = await fetch(`${API_URL}${endpoint}`);
+    const data = await response.json();
+    return data.data;
+  } catch (error) {
+    console.error(`Error fetching ${endpoint}:`, error.message);
+    return null;
+  }
+}
+
+async function displayMetrics() {
+  console.clear();
+  console.log('=== System Monitoring Dashboard ===\n');
+
+  // CPU Info
+  const cpu = await fetchMetric('/api/cpu');
+  if (cpu) {
+    console.log('CPU:');
+    console.log(`  Model: ${cpu.model}`);
+    console.log(`  Cores: ${cpu.cores}`);
+    console.log(`  Speed: ${cpu.mhz.toFixed(2)} MHz`);
+  }
+  console.log();
+
+  // Memory Info
+  const mem = await fetchMetric('/api/memory');
+  if (mem) {
+    const usedPercent = ((mem.total - mem.available) / mem.total * 100).toFixed(1);
+    console.log('Memory:');
+    console.log(`  Total: ${(mem.total / 1024 / 1024).toFixed(2)} GB`);
+    console.log(`  Available: ${(mem.available / 1024 / 1024).toFixed(2)} GB`);
+    console.log(`  Used: ${usedPercent}%`);
+  }
+  console.log();
+
+  // Load Average
+  const load = await fetchMetric('/api/load');
+  if (load) {
+    console.log('Load Average:');
+    console.log(`  1min: ${load.one.toFixed(2)}`);
+    console.log(`  5min: ${load.five.toFixed(2)}`);
+    console.log(`  15min: ${load.fifteen.toFixed(2)}`);
+    console.log(`  Processes: ${load.runningProcesses}/${load.totalProcesses}`);
+  }
+  console.log();
+
+  // Network Stats
+  const net = await fetchMetric('/api/network');
+  if (net && net.length > 0) {
+    console.log('Network Interfaces:');
+    net.slice(0, 3).forEach(iface => {
+      console.log(`  ${iface.interface}:`);
+      console.log(`    RX: ${(iface.rxBytes / 1024 / 1024).toFixed(2)} MB | TX: ${(iface.txBytes / 1024 / 1024).toFixed(2)} MB`);
+    });
+  }
+  console.log();
+
+  console.log('Press Ctrl+C to exit');
+  console.log(`Last update: ${new Date().toLocaleTimeString()}`);
+}
+
+function startMonitoring() {
+  // Initial display
+  displayMetrics();
+
+  // Update every 2 seconds
+  setInterval(displayMetrics, 2000);
+}
+
+// Handle cleanup
+process.on('SIGINT', () => {
+  console.log('\nClosing connection...');
+  eventSource.close();
+  process.exit(0);
+});