Siwat Sirichai
4ae5196ef1
- Added @elysiajs/swagger dependency to package.json for API documentation. - Removed the old bed router and replaced it with a new history router. - Created a new state router to manage WebSocket connections and state updates. - Implemented a comprehensive state management system with the StateManager service. - Introduced AlarmManagement and BedService services for handling alarms and sensor readings. - Established a new MQTT service for managing MQTT connections and subscriptions. - Created an AlarmStateStore to manage volatile alerts and their states. - Defined FrontendState types for structured state management and WebSocket messaging.
72 lines
No EOL
1.8 KiB
TypeScript
72 lines
No EOL
1.8 KiB
TypeScript
import MQTT, { MQTTConfig } from '../adapter/mqtt';
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// Default MQTT configuration for HiveMQ broker
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const defaultConfig: MQTTConfig = {
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host: 'broker.hivemq.com',
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port: 1883,
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username: undefined,
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password: undefined
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};
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export const BASE_TOPIC = '/Jtkcp2N/pressurebed/';
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// Singleton MQTT client instance
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let mqttInstance: MQTT | null = null;
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export class MQTTService {
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private static instance: MQTT | null = null;
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static async initialize(config?: Partial<MQTTConfig>): Promise<MQTT> {
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if (!MQTTService.instance) {
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const finalConfig = { ...defaultConfig, ...config };
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MQTTService.instance = new MQTT();
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await MQTTService.instance.initialize(finalConfig);
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}
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return MQTTService.instance;
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}
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static getInstance(): MQTT | null {
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return MQTTService.instance;
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}
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static async disconnect(): Promise<void> {
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if (MQTTService.instance) {
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await MQTTService.instance.disconnect();
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MQTTService.instance = null;
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}
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}
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}
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// Factory function to get or create MQTT client
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export async function getMQTTClient(config?: Partial<MQTTConfig>): Promise<MQTT> {
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if (!mqttInstance) {
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mqttInstance = new MQTT();
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const finalConfig = { ...defaultConfig, ...config };
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await mqttInstance.initialize(finalConfig);
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}
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return mqttInstance;
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}
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// Export the singleton instance getter
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export function getMQTTInstance(): MQTT | null {
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return mqttInstance;
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}
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// Cleanup function
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export async function disconnectMQTT(): Promise<void> {
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if (mqttInstance) {
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await mqttInstance.disconnect();
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mqttInstance = null;
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}
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}
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// Export default configured client (lazy initialization)
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const mqttService = {
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async getClient(config?: Partial<MQTTConfig>): Promise<MQTT> {
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return getMQTTClient(config);
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},
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getInstance: getMQTTInstance,
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disconnect: disconnectMQTT
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};
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export default mqttService; |