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 netInfo = resourceLocator.networkTools.netInfo;
    var engineRequest = resourceLocator.engineRequest;
    var myConsole = resourceLocator.log.decorateLogs();

    var results = {
        local_network: {
            servers: {
                dns: null,
                dhcp: null,
                gateway: null,
                default_gateway: null,
            },
            interfaces: null,
        },
        internet_access: {
            ip: {
                address: null,
                name: null,
            },
            provider: null,
        },
    };

    function uploadResult(results) {
        myConsole.info('Uploading results: %s', JSON.stringify(results));
        engineRequest.cachedSendWithPromise('/network/information', 'POST', results, undefined, undefined, {
            cache_until: resourceLocator.httpOutCache.expirationInNHours(24),
        });
    }

    function finalize(callback) {
        uploadResult(results);
        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(this.parallel());
                    netInfo.getInterfaces(this.parallel());
                    netInfo.getGatewayFull(this.parallel());
                    netInfo.getDNSServers(this.parallel());
                },
                function (err, dhcpServers, ip, interfaces, gateway, dnsServers) {
                    if (err) {
                        myConsole.error(err.message + '\n' + err.stack);
                    }
                    results.local_network.servers.dhcp = dhcpServers;
                    results.local_network.interfaces = interfaces;
                    results.local_network.servers.gateway = gateway.ip;
                    results.local_network.servers.default_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) {
                        myConsole.error(err.message + '\n' + err.stack);
                    }

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

module.exports.command = netInfo;