@uns-kit/core/dist/uns-mqtt/mqtt-proxy.d.ts

Core utilities and runtime building blocks for UNS-based realtime transformers.

import mqtt from "mqtt";
import { UnsEvents } from "../uns/uns-interfaces.js";
import { UnsEventEmitter } from "../uns/uns-event-emitter.js";
import { IMqttParameters } from "./mqtt-interfaces.js";
import { MqttWorker } from "./mqtt-worker.js";
export default class MqttProxy {
    event: UnsEventEmitter<UnsEvents>;
    statusTopic: string;
    instanceName: string;
    private mqttHost;
    private mqttSubToTopics;
    private mqttSSL;
    private mqttClient;
    private startDate;
    private mqttParameters;
    private statusUpdateInterval;
    private transformationStatsInterval;
    private publishedMessageCount;
    private publishedMessageBytes;
    private subscribedMessageCount;
    private subscribedMessageBytes;
    private mqttWorker;
    isConnected: boolean;
    constructor(mqttHost: string, instanceName: string, mqttParameters: IMqttParameters, mqttWorker?: MqttWorker);
    start(): Promise<void>;
    publish(topic: string, message: string | Buffer, options?: mqtt.IClientPublishOptions): Promise<void>;
    subscribeAsync(topic: string | string[], options?: mqtt.IClientSubscribeOptions): Promise<mqtt.ISubscriptionGrant[]>;
    unsubscribeAsync(topic: string | string[]): Promise<mqtt.Packet | undefined>;
    stop(): void;
    private emitStatusUpdates;
    private updatePublishTransformationStats;
    private updateSubscribeTransformationStats;
    private emitTransformationStatistics;
}
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