97 lines
2.5 KiB
Plaintext
97 lines
2.5 KiB
Plaintext
import {
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CONNECT_STATUS, MQTT_EVENT_TYPE, MQTT_EVENT_CALL, MQTT_EVENT_PUBLISH, MQTT_SUBSCRIBE, MQTT_EVENTS_CALL,
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MQTT_PUBLISH_TOPIC, MQTT_CONNECT_OPTS
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} from "../interface.uts"
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import { x_xMqtt } from "x_mqtt_s"
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export class xMqtt {
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mqtt : x_xMqtt | null = null;
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mqttConnectOptions : MQTT_CONNECT_OPTS | null = null;
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connectStatus : CONNECT_STATUS = 'wait'
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events = new Map<string, MQTT_EVENTS_CALL>();
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constructor() { }
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/**
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* @param ulr {string} 连接地址
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* @param clientIdStr {string} 客户端id
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* @param username {string|null} 用户名称，如果不需要，设置为null即可
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* @param password {string|null} 登录密码，如果不需要，设置为null即可
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*/
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create(opts : MQTT_CONNECT_OPTS) : xMqtt {
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this.mqttConnectOptions = opts;
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this.mqtt = new x_xMqtt(UTSHarmony.getCurrentWindow()!.getUIContext(), this.mqttConnectOptions!)
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this.mqtt!.setCallBack((type: string, topic: string | null, str: string)=>{
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console.log('88888',str)
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this.buildCallEvents(type as MQTT_EVENT_TYPE,topic,str)
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})
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return this;
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}
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/**
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* @param type {MQTT_EVENT_TYPE} 事件名称
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* @param call {MQTT_EVENT_CALL} 事件回调
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*/
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addEventListener(type:MQTT_EVENT_TYPE,call:MQTT_EVENT_CALL):string{
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let id = Date.now().toString()+(Math.random()*100).toString()
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this.events.set(id,
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{
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type,
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value:call
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} as MQTT_EVENTS_CALL
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)
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return id;
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}
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/**
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* @param id {string} addEventListener返回的事件id
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*/
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removeEventListener(id:string):xMqtt{
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this.events.delete(id)
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return this;
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}
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private buildCallEvents(type:MQTT_EVENT_TYPE,toppic:string|null,str:string){
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this.events.forEach((value:MQTT_EVENTS_CALL,key:string)=>{
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if(value.type == type){
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value.value(type,toppic,str)
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}
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})
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}
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connect():xMqtt{
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this.mqtt!.connect();
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return this;
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}
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/**
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* 订阅
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* @param data {MQTT_SUBSCRIBE[]} 订阅的消息数组
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*/
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subscribe(data:MQTT_SUBSCRIBE[]):xMqtt{
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this.mqtt!.subscribe(data)
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return this;
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}
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/**
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* 推送消息
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* @param message {MQTT_EVENT_PUBLISH}
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* @param call ()=>void 推送消息成功时的回调【web端永为真】
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*/
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publish(message:MQTT_PUBLISH_TOPIC,call:MQTT_EVENT_PUBLISH):xMqtt{
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this.mqtt!.publish(message,call)
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return this;
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}
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/**
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* 取消订阅
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* @param topics {string[]} 主题数组
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*/
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unsubscribe(topics:string[]):xMqtt{
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this.mqtt!.unsubscribe(topics)
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return this;
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}
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/**
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* 断开连接
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*/
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disconnect():xMqtt{
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if(this.mqtt == null) return this;
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this.mqtt!.disconnect()
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return this;
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}
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} |