domotz-remote-pawn/src/discovery/utils.js

Domotz Agent

/** This file is part of Domotz Agent.
 * Copyright (C) 2016  Domotz Ltd
 *
 * Domotz Agent is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Domotz Agent is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Domotz Agent.  If not, see <http://www.gnu.org/licenses/>.
 **/

var factory = function (interfacesBindingStorage, devicesInfo) {
    function _deepCopy(object) {
        'use strict';
        // Use only with base types arrays and objects - this method transforms Date(s) in strings, loses types for complex objects
        return JSON.parse(JSON.stringify(object));
    }

    function getDevicesMaps() {
        var macToIp = {};
        var ipToMac = {};

        return {
            macToIp: _deepCopy(macToIp),
            ipToMac: _deepCopy(ipToMac),
        };
    }

    function getDeviceIpFromMac(mac) {
        'use strict';
        var devicesMaps = getDevicesMaps();
        return devicesMaps.macToIp[mac] || devicesMaps.macToIp[mac.toLowerCase()];
    }

    function getDeviceMacFromIp(ip) {
        'use strict';
        var devicesMaps = getDevicesMaps();
        return devicesMaps.ipToMac[ip];
    }

    function getKnownIpAddresses() {
        var interfaceInfo = interfacesBindingStorage.getInterfaceInfo();
        var knownDevices = devicesInfo.getDevicesCache();
        var ipList = [];

        if (knownDevices) {
            for (var mac in interfaceInfo) {
                if (interfaceInfo.hasOwnProperty(mac)) {
                    if (knownDevices[mac]) {
                        ipList.push(interfaceInfo[mac]);
                    } else {
                        console.warn('WARNING *** CANNOT FIND KNOWN DEVICE FOR MAC %s ', mac);
                    }
                }
            }
        }

        return ipList;
    }

    function getDetailsFieldsForDevices(fieldList) {
        var interfaceInfo = interfacesBindingStorage.getInterfaceInfo();
        var knownDevices = devicesInfo.getDevicesCache();
        var deviceDetailsByIp = {};

        if (knownDevices) {
            for (var mac in interfaceInfo) {
                if (interfaceInfo.hasOwnProperty(mac)) {
                    if (knownDevices[mac]) {
                        deviceDetailsByIp[interfaceInfo[mac]] = {};
                        for (var i = 0; i < fieldList.length; i++) {
                            deviceDetailsByIp[interfaceInfo[mac]][fieldList[i]] = knownDevices[mac].details[fieldList[i]];
                        }
                    } else {
                        console.warn('WARNING *** CANNOT FIND KNOWN DEVICE FOR MAC %s ', mac);
                    }
                }
            }
        }

        return deviceDetailsByIp;
    }

    return {
        getDevicesMaps: getDevicesMaps,
        getKnownIpAddresses: getKnownIpAddresses,
        getDetailsFieldsForDevices: getDetailsFieldsForDevices,
        getDeviceIpFromMac: getDeviceIpFromMac,
        getDeviceMacFromIp: getDeviceMacFromIp,
    };
};

module.exports.factory = factory;