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added MQTT monitor type

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This commit is contained in:
Tarun Singh 2021-11-03 21:46:43 -04:00
parent d4c9431142
commit 670754b697
8 changed files with 261 additions and 14937 deletions
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34
server/util-server.js
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@ -10,6 +10,8 @@ const iconv = require("iconv-lite");
const chardet = require("chardet");
const fs = require("fs");
const nodeJsUtil = require("util");
const mqtt = require("mqtt");
// From ping-lite
exports.WIN = /^win/.test(process.platform);
@ -26,7 +28,7 @@ exports.initJWTSecret = async () => {
"jwtSecret",
]);
if (! jwtSecretBean) {
if (!jwtSecretBean) {
jwtSecretBean = R.dispense("setting");
jwtSecretBean.key = "jwtSecret";
}
@ -88,6 +90,30 @@ exports.pingAsync = function (hostname, ipv6 = false) {
});
};
exports.mqttAsync = function (hostname, topic, okMessage) {
return new Promise((resolve, reject) => {
try {
let client = mqtt.connect(hostname);
client.on("connect", () => {
client.subscribe(topic);
}
);
client.on("message", (messageTopic, message) => {
console.log(messageTopic);
if (messageTopic == topic && message.toString() !== okMessage) {
client.end();
reject(new Error(`Error; Topic: ${messageTopic}; Message: ${message.toString()}`));
} else {
client.end();
resolve(`Topic: ${messageTopic}; Message: ${message.toString()}`);
}
});
} catch (error) {
reject(new Error(error));
}
});
};
exports.dnsResolve = function (hostname, resolver_server, rrtype) {
const resolver = new Resolver();
resolver.setServers([resolver_server]);
@ -269,13 +295,13 @@ exports.getTotalClientInRoom = (io, roomName) => {
const sockets = io.sockets;
if (! sockets) {
if (!sockets) {
return 0;
}
const adapter = sockets.adapter;
if (! adapter) {
if (!adapter) {
return 0;
}
@ -300,7 +326,7 @@ exports.allowAllOrigin = (res) => {
};
exports.checkLogin = (socket) => {
if (! socket.userID) {
if (!socket.userID) {
throw new Error("You are not logged in.");
}
};