homebridge-meraki-control/src/merakims.js

Homebridge plugin to control Meraki devices.

import axios from 'axios';
import EventEmitter from 'events';
import ImpulseGenerator from './impulsegenerator.js';
import { ApiUrls } from './constants.js';

class MerakiMs extends EventEmitter {
    constructor(config) {
        super();
        const host = config.host;
        const apiKey = config.apiKey;
        this.device = config.deviceData;
        this.enableDebugMode = config.enableDebugMode;

        const baseUrl = (`${host}${ApiUrls.Base}`);
        this.axiosInstance = axios.create({
            baseURL: baseUrl,
            headers: {
                'Content-Type': 'application/json',
                'Accept': 'application/json',
                'X-Cisco-Meraki-API-Key': apiKey
            }
        });

        //impulse generator
        this.call = false;
        this.impulseGenerator = new ImpulseGenerator();
        this.impulseGenerator.on('checkDeviceInfo', async () => {
            if (this.call) return;

            try {
                this.call = true;
                await this.connect();
                this.call = false;
            } catch (error) {
                this.call = false;
                this.emit('error', `Inpulse generator error: ${error}`);
            };
        }).on('state', (state) => {
            const emitState = state ? this.emit('success', `Impulse generator started.`) : this.emit('warn', `Impulse generator stopped.`);
        });

    };

    async connect() {
        const debug = this.enableDebugMode ? this.emit('debug', `Requesting data.`) : false;
        try {
            //get data of switch
            const portsUrl = ApiUrls.MsPorts.replace('serialNumber', this.device.serialNumber);
            const swData = await this.axiosInstance.get(portsUrl);
            const debug1 = this.enableDebugMode ? this.emit('debug', `Data: ${JSON.stringify(swData.data, null, 2)}`) : false;

            //check device state
            const state = await this.checkDeviceState(swData.data);

            return state;
        } catch (error) {
            throw new Error(`Requesting data error: ${error}`);
        };
    };

    async checkDeviceState(swData) {
        const debug = this.enableDebugMode ? this.emit('debug', `Requesting ports status.`) : false;
        try {
            const ports = [];
            for (const port of swData) {

                //push exposed ports to array
                const obj = {
                    'id': port.portId,
                    'name': port.name ?? `Port ${port.portId}`,
                    'state': port.enabled ?? false,
                    'poeState': port.poeEnabled ?? false
                };
                ports.push(obj);
            };
            const portsCount = ports.length;
            const debug2 = this.enableDebugMode ? this.emit('debug', `Found: ${portsCount} exposed ports.`) : false;

            if (portsCount === 0) {
                this.emit('warn', `Found: ${portsCount} ports.`);
                return false;
            }

            //emit device info and state
            this.emit('deviceInfo', portsCount);
            this.emit('deviceState', ports);

            return true;
        } catch (error) {
            throw new Error(`Requesting port status error: ${error}.`);
        };
    };

    async send(url, payload) {
        try {
            await this.axiosInstance.put(url, payload);
            return true;
        } catch (error) {
            throw new Error(error);
        };
    };
};
export default MerakiMs;