bin/monitor.js
#!/usr/bin/env node
/**
* Startup script that bootstraps monitoring of my power meter talking
* to a RaspberryPi, storing the data in a redis database.
*
* @author Thomas Malt <thomas@malt.no>
* @copyright 2013-2017 (c) Thomas Malt <thomas@malt.no>
*/
const bluebird = require('bluebird');
const redis = require('redis');
const Config = require('../lib/ConfigParser');
const Meter = require('../lib/RaspberryMeter');
const utils = require('../lib/monitorUtils');
const config = new Config();
const logger = utils.setupLogger(config);
const errorExit = (error) => {
console.log('got error:', error.message);
logger.error(error.message);
process.exit(1);
};
bluebird.promisifyAll(redis.RedisClient.prototype);
bluebird.promisifyAll(redis.Multi.prototype);
utils.printStartupMessage(config);
utils.setupVitals();
const client = redis.createClient(config.redis);
const meter = new Meter(client, config);
client.on('error', errorExit);
meter.on('started', () => {
logger.info(`Power meter monitoring v${config.version} started in master script`);
logger.info(`Data saving interval is ${config.interval}s, ${config.impsPerKwh} imps per second`);
});
meter.on('stored_data', (info) => {
logger.info(
'pulses:', info.data.pulses,
' watt:', parseInt(info.data.watt, 10),
' kwh:', parseFloat(info.data.kwh).toFixed(4),
' meter:', parseFloat(info.total).toFixed(4),
' sensor:', parseInt(info.currSensor, 10)
);
});
meter.startMonitor();
/* istanbul ignore next */
process.on('SIGINT', () => {
console.log('RaspberryMeter: Dealing with SIGINT.');
console.log(' Unexporting sensor.');
meter.sensor.unexport();
console.log(' Unexporting led.');
meter.led.writeSync(0);
meter.led.unexport();
process.exit(1);
});
/*
* MIT LICENSE
*
* Copyright (C) 2013-2017 Thomas Malt <thomas@malt.no>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/