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* better mqtt; package updates; some improvements * larger refresh interval
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import { Logger } from 'homebridge'; | ||
| import mqtt, { IClientOptions, IClientPublishOptions, IClientSubscribeOptions, ISubscriptionGrant, MqttClient, OnMessageCallback } from 'mqtt'; | ||
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| export class SonnenMQTT { | ||
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| private client: MqttClient | null; | ||
| private rootTopic: string; | ||
|
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| constructor(client: MqttClient | null, rootTopic: string) { | ||
| this.client = client; | ||
| this.rootTopic = rootTopic; | ||
| } | ||
|
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| connect(clientID: string, username: string, password: string, host: string, log: Logger | null = null) { | ||
| log?.debug("connecting... (user: ", username, "), password: (****))"); | ||
| const opts: IClientOptions = { | ||
| clientId: clientID, | ||
| rejectUnauthorized: true, | ||
| clean: true, | ||
| username: username, | ||
| password: password, | ||
| }; | ||
| this.client = mqtt.connect(host, opts); | ||
| log?.debug("did connect, client..."); | ||
| } | ||
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| async connectAsync(clientID: string, username: string, password: string, host: string, log: Logger | null = null): Promise<void> { | ||
| log?.debug("connecting async... (user: ", username, "), password: (****)"); | ||
| const opts: IClientOptions = { | ||
| clientId: clientID, | ||
| rejectUnauthorized: true, | ||
| clean: true, | ||
| username: username, | ||
| password: password, | ||
| }; | ||
| this.client = await mqtt.connectAsync(host, opts); | ||
| log?.debug("did connect, client..."); | ||
| } | ||
|
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| reconnect(): boolean { | ||
| if (this.client === null) { return false; } | ||
| if (this.client.connected == true) { | ||
| return true | ||
| } | ||
| this.client = this.client.reconnect() | ||
| return this.client !== null; | ||
| } | ||
|
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| getConnected(): boolean { | ||
| if (this.client === null) { return false; } | ||
| return this.client.connected; | ||
| } | ||
|
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| getClient(): MqttClient | null { | ||
| return this.client; | ||
| } | ||
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| async addSubscription(topic: string | string[]): Promise<ISubscriptionGrant[] | null> { | ||
| const opts: IClientSubscribeOptions = { qos: 1 }; | ||
| // qos: 1 means we want the message to arrive at least once but don't care if it arrives twice (or more | ||
| if (this.client === null) { | ||
| return null; | ||
| } | ||
| return this.client.subscribeAsync(topic, opts); | ||
| } | ||
|
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| onMessage(callback: OnMessageCallback) { | ||
| if (this.client === null) { return false; } | ||
| this.client.on('message', callback); | ||
| } | ||
|
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| publish<V>(topic: string, value: V, log: Logger | null) { | ||
| log?.debug("pulishing ", value, " to topic ", topic); | ||
| const stringValue = String(value); | ||
| if (stringValue === undefined) { | ||
| log?.error("cannot convert value ", value ," to string"); | ||
| return; | ||
| } | ||
|
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||
| if (this.client === null) { | ||
| log?.error("client is null"); | ||
| const success = this.reconnect(); | ||
| if (success == false) { | ||
| log?.error("reconnect failed"); | ||
| } | ||
| } | ||
|
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| const opts: IClientPublishOptions = { | ||
| qos: 1, | ||
| retain: false, | ||
| properties: { | ||
| messageExpiryInterval: 30 | ||
| } | ||
| }; | ||
|
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| const topicValue = this.rootTopic.concat("/").concat(topic); | ||
| log?.debug("pulishing topic: ", topicValue, " << ", stringValue); | ||
|
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| if (this.client != null) { | ||
| if (this.client.connected == false) { | ||
| log?.error("client is not connected"); | ||
| } | ||
|
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| log?.debug("publishing value: ", stringValue); | ||
| this.client.publish(topicValue, stringValue, opts); | ||
| } | ||
| } | ||
|
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| async disconnect() { | ||
| if (this.client === null) { return false; } | ||
| return this.client.endAsync; | ||
| } | ||
|
|
||
| } |
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