首次提交

2026-07-13 12:06:16 +08:00
commit e3c810b1a6
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+/**
+ * MQTT Broker 服务器
+ * 使用 aedes 并配置协议兼容性
+ */
+
+const aedes = require('aedes')({
+  // 兼容所有MQTT协议版本
+  protocolVersion: 4 // 支持 MQTT 5.0，向下兼容 3.1.1 和 3.1
+});
+
+const net = require('net');
+
+// 配置参数
+const PORT = 1883;
+const HOST = '0.0.0.0';
+
+// 简化认证 - 允许所有连接（测试用）
+aedes.authenticate = (client, username, password, callback) => {
+  console.log(`[认证请求] 客户端: ${client.id}, 用户名: ${username || '无'}`);
+  console.log(`[协议版本] ${client.version}`);
+
+  // 测试阶段：允许所有连接
+  callback(null, true);
+};
+
+// 客户端连接事件
+aedes.on('client', (client) => {
+  console.log(`[客户端连接] ${client.id} 已连接`);
+  console.log(`[当前连接数] ${aedes.connectedClients}`);
+});
+
+// 客户端断开事件
+aedes.on('clientDisconnect', (client) => {
+  console.log(`[客户端断开] ${client.id} 已断开`);
+});
+
+// 消息发布事件
+aedes.on('publish', (packet, client) => {
+  if (client) {
+    const payload = packet.payload.toString();
+    console.log(`[消息发布] 主题: ${packet.topic}`);
+    console.log(`[发布者] ${client.id}`);
+    console.log(`[消息内容] ${payload}`);
+
+    try {
+      const data = JSON.parse(payload);
+      console.log(`[水质数据] 温度:${data.temp}°C, pH:${data.ph}, COD:${data.cod}`);
+    } catch (e) {}
+    console.log('---');
+  }
+});
+
+// 订阅事件
+aedes.on('subscribe', (subscriptions, client) => {
+  console.log(`[订阅] 客户端 ${client.id} 订阅了:`);
+  subscriptions.forEach(sub => {
+    console.log(`  - 主题: ${sub.topic}`);
+  });
+});
+
+// 创建TCP服务器
+const server = net.createServer(aedes.handle);
+
+// 启动服务器
+server.listen(PORT, HOST, () => {
+  console.log('========================================');
+  console.log('   MQTT Broker 服务器已启动');
+  console.log('========================================');
+  console.log(`监听地址: mqtt://${HOST}:${PORT}`);
+  console.log(`支持协议: MQTT 3.1 / 3.1.1 / 5.0`);
+  console.log('----------------------------------------');
+  console.log('MQTTX / HarmonyOS 连接配置:');
+  console.log('  - 主机: 192.168.128.190');
+  console.log('  - 端口: 1883');
+  console.log('  - 用户名: admin (可选)');
+  console.log('  - 密码: admin (可选)');
+  console.log('  - 发布主题: sea_status');
+  console.log('========================================');
+});
+
+server.on('error', (err) => {
+  console.error('服务器错误:', err);
+  process.exit(1);
+});
+
+process.on('SIGINT', () => {
+  console.log('\n正在关闭...');
+  aedes.close(() => {
+    server.close();
+    process.exit(0);
+  });
+});