domotz-remote-pawn/src/events/eventHandler.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/>.
  **/
/**
 *
 * Created by Iacopo Papalini <ipapalini@domotz.com> on 08/09/15.
 */

// Key: Handler (the name of handler is the same of the module in events/
// Value: Event that triggers that particular handler
const EVENTS = {
    amqpConnectionClose: ['amqpConnectionClose'],
    analyzeRequest: ['endFastDeviceDiscovery'],
    avahiResolve: ['endFastDeviceDiscovery'],
    connectionCheck: ['onListeningWebapp', 'sanityCheck'],
    fastDeviceDiscovery: ['onListeningWebapp', 'fastDeviceDiscovery'],
    fetchSpeedTestServers: ['onListeningWebapp'],
    flushLog: ['flushLog'],
    logFolderCleaner: ['logFolderCleaner'],
    heartBeat: ['heartBeat'],
    deviceStatusUpdate: ['deviceStatusUpdate'],
    mtr: ['mtr'],
    portMap: ['endFastDeviceDiscovery'],
    speedTest: ['speedTest'],
    suicide: ['onListeningWebapp'],
    updateAgent: ['onListeningWebapp', 'updateAgent'],
    updateHttpListeningPort: ['endFastDeviceDiscovery'],
    updatePkgInfo: ['updatePkgInfo'],
    autoWakeOnLan: ['autoWakeOnLan'],
    tcpServicesMonitoring: ['endFastDeviceDiscovery'],
    upnpDeviceDiscovery: ['endFastDeviceDiscovery'],
    bonjourDiscovery: ['endFastDeviceDiscovery'],
    snmpBasicDiscovery: ['endFastDeviceDiscovery'],
    snmpInterfaceDiscovery: ['endFastDeviceDiscovery'],
    updateJammedDevicesList: ['updateJammedDevicesList'],
    invalidateTcpMonitoredServicesList: ['invalidateTcpMonitoredServicesList']
};

var factory = function (events, resourceLocator) {

    var agentEventEmitter = new (events.EventEmitter)();
    var handlers = Object.keys(EVENTS);

    var ret = {};

    function emitter(e) {
        return function (arg1, arg2, arg3) {
            console.debug("EVENT - Emitting event: " + JSON.stringify(e));
            agentEventEmitter.emit(e, resourceLocator, arg1, arg2, arg3);
        };
    }

    handlers.forEach(function(handler) {
        var eventList = EVENTS[handler];
        var module = require('./handler/' + handler + '.js');
        console.info('EVENT - Setup handler [%s] for event:', handler);
        eventList.forEach(function(event) {
            agentEventEmitter[event] = event;
            agentEventEmitter.on(event, module.handler);
            ret[event] = emitter(event);
            console.info('EVENT -   --> ' + event);
        });

    });

    return ret;
};

module.exports.factory = factory;