lisa-bose-soundtouch/discovery.js

Bose SoundTouch node js API

const mdns = require('mdns-js');
mdns.excludeInterface('0.0.0.0');
const SoundTouchAPI = require('./api');

const SoundTouchDiscovery = function () {
    this.devices = [];
};

SoundTouchDiscovery.prototype.addDevice = function (device) {
    this.devices[device.name] = device;
};

SoundTouchDiscovery.prototype.deleteDevice = function (device) {
    delete this.devices[device.name];
};

SoundTouchDiscovery.prototype.getDevices = function () {
    return this.devices;
};

SoundTouchDiscovery.prototype.getDevice = function (deviceName) {
    for (const device in this.devices) {
        const d = this.devices[device].getDevice();
        if (d.name === deviceName) {
            return this.devices[device];
        }
    }
    return undefined;
};

SoundTouchDiscovery.prototype.getDeviceForMacAddress = function (macAddress) {
    for (const device in this.devices) {
        const d = this.devices[device].getDevice();
        if (d.mac_address === macAddress) {
            return this.devices[device];
        }
    }
    return undefined;
};

SoundTouchDiscovery.prototype.getDevicesArray = function () {
    const deviceArray = [];
    for (const device in this.devices) {
        const d = this.devices[device].getDevice();
        deviceArray.push(d);
    }
    return deviceArray;
};

SoundTouchDiscovery.prototype.createZone = function (members, handler) {
    let data = '';
    const item = {};

    for (const i in members) {
        const member = members[i];
        if (i === 0) {
            item.master = member;
            data += '<zone master="' + member + '" senderIPAddress="127.0.0.1">';
        }
        else if (i === 1) {
            item.slaves = [];
            item.slaves.push(member);
            data += '<member>' + member + '</member>';
        }
        else {
            item.slaves.push(member);
            data += '<member>' + member + '</member>';
        }
    }
    data += '</zone>';

    const device = this.getDeviceForMacAddress(item.master);

    device._setForDevice("setZone", data, function (json) {
        handler(json, item);
    });
};

SoundTouchDiscovery.prototype.search = function (callbackUp) {
    console.log("Started Searching...");
    const discovery = this;

    // watch all http servers
    this.browser = mdns.createBrowser(mdns.tcp('soundtouch'));

    this.browser.on('ready', () => {
        this.browser.discover();
    });
    this.browser.on('update', function (service) {
        for (let i = 0; i < service.txt.length; i++) {
            const desc = service.txt[i];
            if(desc.startsWith('MAC=')) {
                service.mac_address = desc.replace('MAC=', '').trim();
            }
        }
        service.name = service.fullname.split('.')[0];
        service.ip = service.addresses[0];
        const deviceAPI = new SoundTouchAPI(service);
        discovery.addDevice(deviceAPI);
        if (callbackUp !== undefined) {
            callbackUp(deviceAPI);
        }

    });
};

SoundTouchDiscovery.prototype.stopSearching = function () {
    if (this.browser !== undefined) {
        this.browser.stop();
    }
};

module.exports = new SoundTouchDiscovery();