citysys-flowserver/flow/gettemperature.txt

151 lines
No EOL
3.8 KiB
Text

exports.id = 'gettemperature';
exports.title = 'Thermometer';
exports.group = 'Worksys';
exports.color = '#5CB36D';
exports.version = '1.0.2';
exports.input = 1;
exports.output = ["red", "white", "blue"];
exports.author = 'Rastislav Kovac';
exports.icon = 'thermometer-three-quarters';
exports.readme = `# Getting temperature values from RVO`;
const { errLogger, logger, monitor } = require('./helper/logger');
const SEND_TO = {
debug: 0,
tb: 1,
di_do_controller: 2
}
//read temperature - frequency
let timeoutMin = 5;//minutes
exports.install = function(instance) {
const { exec } = require('child_process');
const { sendNotification } = require('./helper/notification_reporter.js');
let startRead;
let dataToTb;
let counter = 0;
let SETTINGS;
let temperatureAddress = "";
let rvoTbName = "";
logger.debug(exports.title, "installed");
instance.on("close", function(){
clearInterval(startRead);
})
const main = function(){
try {
if(SETTINGS.controller_type === "unipi")
{
clearInterval(startRead);
return;
}
if(temperatureAddress === "") throw "gettemperature: temperatureAddress is not defined";
exec(`owread -C ${temperatureAddress}/temperature`, (error, stdout, stderr) => {
if(!error)
{
parseData(stdout)
return;
}
sendNotification("main", rvoTbName, "thermometer_is_not_responding", {}, {"Error": error}, SEND_TO.tb, instance, "thermometer");
logger.debug("gettemparature", error);
monitor.info("Thermometer is not responding", error);
dataToTb = {
[rvoTbName]: [
{
"ts": Date.now(),
"values": {
"status": "NOK"
}
}
]
}
instance.send(SEND_TO.tb, dataToTb);
instance.send(SEND_TO.di_do_controller, {sender: "gettemperature", status: "NOK"});
});
}
catch(err) {
errLogger.error(exports.title, err);
clearInterval(startRead);
}
}
const parseData = function(data) {
data = parseFloat(data);
logger.debug("gettemperature", data);
if (!isNaN(data)){
if(counter > 290)
{
instance.send(SEND_TO.debug, "[Get temperature component] - temperature data are comming again from RVO after more than 1 day break");
sendNotification("parseData", rvoTbName, "thermometer_is_responding_again", {}, "", SEND_TO.tb, instance, "thermometer");
}
logger.debug("gettemperature", data);
dataToTb = {
[rvoTbName]: [
{
"ts": Date.now(),
"values": {
"temperature": Number(data.toFixed(2)),
"status": "OK"
}
}
]
}
instance.send(SEND_TO.tb, dataToTb);
instance.send(SEND_TO.di_do_controller, {sender: "gettemperature", status: "OK"});
counter = 0;
} else {
counter++;
monitor.info("gettemperature err", counter, data);
//ked je problem 1 den
let day = 24 * 60 / timeoutMin;
if(counter > day && counter < day + 2) {
sendNotification("parseData", rvoTbName, "thermometer_sends_invalid_data", {}, "", SEND_TO.tb, instance, "thermometer");
instance.send(SEND_TO.debug, "[Get temperature component] - no temperature data from RVO for more than 1 day");
instance.send(SEND_TO.di_do_controller, {sender: "gettemperature", status: "NOK"});
}
}
}
instance.on("data", _ => {
SETTINGS = FLOW.GLOBALS.settings;
temperatureAddress = SETTINGS.temperature_address;
rvoTbName = SETTINGS.rvoTbName;
startRead = setInterval(main, timeoutMin * 1000 * 60);
main();
})
};