Files
diplomarbeit-code/testasset/testasset.js
T
2023-12-09 14:38:44 +01:00

81 lines
2.7 KiB
JavaScript

import { connect } from "mqtt";
import { v4 } from "uuid";
// Is docker?
const isDocker = process.env.AM_I_IN_A_DOCKER_CONTAINER ?? false;
const broker = isDocker ? "mqtt://mqttbroker:1883" : "mqtt://localhost:1883";
// Start
const main = () => {
// Create an mqtt client for broker localhost:1883 with a random client id
let client = connect(broker, {
clientId: "testasset-" + v4(),
});
// Asset stuff
let testparam1 = 5;
let testparam2 = true;
const testoperation1 = () => {
console.log("This is a result of testoperation 1");
testparam1++;
client.publish("testasset/testparam1/value", testparam1.toString());
}
const testoperation2 = (input) => {
console.log(`This is a result of testoperation 2 with input ${input}`);
testparam1--;
client.publish("testasset/testparam1/value", testparam1.toString());
}
const testoperation3 = (input) => {
console.log(`This is a result of testoperation 3 with input ${input}`);
client.publish("testasset/testoperation3/result", JSON.stringify({ message: "Wuh", input, valueFromInput: input.TestInput, error: false }));
}
// Asset listeners
client.on("message", (topic, message) => {
// console.log(`${topic}: ${message.toString()}`);
switch (topic) {
case "testasset/testparam2/set":
const value = /^(true|1)$/i.test(message.toString());
console.log(`Testparam2 changed to ${value}`);
testparam2 = value;
break;
case "testasset/testoperation1":
testoperation1();
break;
case "testasset/testoperation2":
testoperation2(JSON.parse(message.toString()).TestInput);
break;
case "testasset/testoperation3":
testoperation3(message.toString());
break;
}
});
client.on("connect", () => {
console.log("Connected to broker");
});
client.on("error", (error) => {
console.error(error);
});
client.on("close", () => {
console.log("Connection to broker closed");
});
client.subscribe("testasset/testoperation1");
client.subscribe("testasset/testoperation2");
client.subscribe("testasset/testoperation3");
client.subscribe("testasset/+/set");
setInterval(() => {
client.publish("testasset/testparam1/value", testparam1.toString());
client.publish("testasset/testparam2/value", testparam2.toString());
}, 1000);
setInterval(() => {
client.publish("testasset/testevent", "Timer ran down")
}, 10000);
client.publish("testasset/hello", "Hello World");
}
if (isDocker) setTimeout(main.bind(this), 3000);
else main();