domotz-remote-pawn/src/commands/network/information.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 netInfo = function (message, resourceLocator) {

    var step = resourceLocator.step;
    var time = resourceLocator.utils.time;
    var netInfo = resourceLocator.networkTools.netInfo;
    var myIpServiceAddress = resourceLocator.configuration.external_scripts.url_for_netinfo;

    var results = {
        stats: {
            start: new Date(),
            end: null,
            elapsed_milliseconds: null
        },
        local_network: {
            servers: {
                dns: null,
                dhcp: null,
                gateway: null
            },
            interfaces: null
        },
        internet_access: {
            ip: {
                address: null,
                name: null
            },
            provider: null
        }
    };

    function finalize(callback) {
        results.stats.end = new Date();
        results.stats.elapsed_milliseconds = time.getDiff(results.stats);
        callback(results);
    }

    return {
        describe: function () {
            return message.correlationId + " - netInfo ";
        },
        execute: function (callback) {
            step(function (err) {
                    if (err) {
                        return callback(null, err);

                    }
                    netInfo.getDHCPServers('broadcast-dhcp-discover.nse', this.parallel());
                    netInfo.getExternalIPAddress(myIpServiceAddress, this.parallel());
                    netInfo.getInterfaces(this.parallel());
                    netInfo.getGateway(this.parallel());
                    netInfo.getDNSServers(this.parallel());
                },
                function (err, dhcpServers, ip, interfaces, gateway, dnsServers) {
                    if (err) {
                        console.error(err);
                        console.debug("Continuing");
                    }
                    results.local_network.servers.dhcp = dhcpServers;
                    results.local_network.interfaces = interfaces;
                    results.local_network.servers.gateway = gateway;
                    results.local_network.servers.dns = dnsServers;

                    results.internet_access.ip.address = ip || null;
                    if (ip) {
                        netInfo.getProvider(ip, this.parallel());
                        netInfo.getExternalIPName(ip, this.parallel());
                    }
                    else {
                        finalize(callback);
                    }
                },
                function (err, provider, externalIpName) {
                    if (err) {
                        console.error(err);
                        console.debug("Continuing");
                    }

                    results.internet_access.provider = provider;
                    results.internet_access.ip.name = externalIpName;
                    finalize(callback);
                }
            );

        }
    };
};

module.exports.command = netInfo;