domotz-remote-pawn/src/events/handler/suicide.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 Tommaso Latini <tommaso@domotz.com> on 20/01/16.
 */

const LOG_EVENT = 'HANDLER - (suicide)';
const HOUR_IN_MILLISECONDS = 1000 * 60 * 60;
const RETRY_ATTEMPTS = 5;
const RETRY_DELAY = 3000;
const WARM_UP_EXPECTED_DELAY_DEFAULT = 20 * 60; //20 minutes

var send_options = {
    maxAttempts: RETRY_ATTEMPTS ,retryDelay: RETRY_DELAY
};

var suicide = function(resourceLocator) {


    var status = resourceLocator.status;

    if (status.get() !== status.CONFIGURED) {
        console.info(LOG_EVENT + ': The agent is not in configured mode. Skip');
        return;
    }

    var serviceRestart = resourceLocator.utils.proc.restart;
    var timeUtils = resourceLocator.utils.time;
    var eventUtils = resourceLocator.utils.event;
    var send = resourceLocator.engineRequest.send;
    var sendWithPromise = resourceLocator.engineRequest.sendWithPromise;
    var warmUpDelay = resourceLocator.configuration.warm_up_expected_delay || WARM_UP_EXPECTED_DELAY_DEFAULT;

    var delta = timeUtils.getDeltaToThreeOClock(resourceLocator);
    var delay = delta + Math.floor(Math.random() * HOUR_IN_MILLISECONDS);
    var now = new Date();
    var restartTime = new Date(now.getTime() + delay);

    console.info('%s: Set services restart at %s. Delay: %s ms.', LOG_EVENT, restartTime, delay);

    var resource = '/event';
    var method = 'POST';

    function restart () {
        var body = eventUtils.getBodyForEvent("down", "scheduled");
        sendWithPromise(resource, method, body, undefined, undefined, send_options).finally(serviceRestart);
    }

    function sendUpSignal () {
        var body = eventUtils.getBodyForEvent("up", "boot");
        send(resource, method, body, undefined, undefined, undefined, send_options);
    }

    setTimeout(sendUpSignal, (warmUpDelay * 1000));

    setTimeout(restart, delay);

    return delay; // For testing purposes
};

module.exports.handler = suicide;