PixelStreamingInfrastructure/SignallingWebServer/modules/logging.js

122 lines
2.9 KiB
JavaScript

// Copyright Epic Games, Inc. All Rights Reserved.
const fs = require('fs');
const { Console } = require('console');
var loggers=[];
var logFunctions=[];
var logColorFunctions=[];
const AllAttributesOff = '\x1b[0m';
const BoldOn = '\x1b[1m';
const Black = '\x1b[30m';
const Red = '\x1b[31m';
const Green = '\x1b[32m';
const Yellow = '\x1b[33m';
const Blue = '\x1b[34m';
const Magenta = '\x1b[35m';
const Cyan = '\x1b[36m';
const White = '\x1b[37m';
const Orange = '\x1b[38;5;215m';
console.log = function(msg, ...args) {
logFunctions.forEach((logFunction) => {
logFunction(msg, ...args);
});
}
console.warn = function(msg, ...args) {
logColorFunctions.forEach((logColorFunction) => {
logColorFunction(Yellow, msg, ...args);
});
}
console.error = function(msg, ...args) {
logColorFunctions.forEach((logColorFunction) => {
logColorFunction(Red, msg, ...args);
});
}
console.logColor = function(color, msg, ...args) {
logColorFunctions.forEach((logColorFunction) => {
logColorFunction(color, msg, ...args);
});
}
/**
* Pad the start of the given number with zeros so it takes up the number of digits.
* e.g. zeroPad(5, 3) = '005' and zeroPad(23, 2) = '23'.
*/
function zeroPad(number, digits) {
let string = number.toString();
while (string.length < digits) {
string = '0' + string;
}
return string;
}
/**
* Create a string of the form 'YEAR.MONTH.DATE.HOURS.MINUTES.SECONDS'.
*/
function dateTimeToString() {
let date = new Date();
return `${date.getFullYear()}.${zeroPad(date.getMonth(), 2)}.${zeroPad(date.getDate(), 2)}.${zeroPad(date.getHours(), 2)}.${zeroPad(date.getMinutes(), 2)}.${zeroPad(date.getSeconds(), 2)}`;
}
/**
* Create a string of the form 'HOURS.MINUTES.SECONDS.MILLISECONDS'.
*/
function timeToString() {
let date = new Date();
return `${zeroPad(date.getHours(), 2)}:${zeroPad(date.getMinutes(), 2)}:${zeroPad(date.getSeconds(), 2)}.${zeroPad(date.getMilliseconds(), 3)}`;
}
function RegisterFileLogger(path) {
if(path == null)
path = './logs/';
if (!fs.existsSync(path))
fs.mkdirSync(path);
var output = fs.createWriteStream(`${path}${dateTimeToString()}.log`);
var fileLogger = new Console(output);
logFunctions.push(function(msg, ...args) {
fileLogger.log(`${timeToString()} ${msg}`, ...args);
});
logColorFunctions.push(function(color, msg, ...args) {
fileLogger.log(`${timeToString()} ${msg}`, ...args);
});
loggers.push(fileLogger);
}
function RegisterConsoleLogger() {
var consoleLogger = new Console(process.stdout, process.stderr)
logFunctions.push(function(msg, ...args) {
consoleLogger.log(`${timeToString()} ${msg}`, ...args);
});
logColorFunctions.push(function(color, msg, ...args) {
consoleLogger.log(`${BoldOn}${color}${timeToString()} ${msg}${AllAttributesOff}`, ...args);
});
loggers.push(consoleLogger);
}
module.exports = {
//Functions
RegisterFileLogger,
RegisterConsoleLogger,
//Variables
AllAttributesOff,
BoldOn,
Black,
Red,
Green,
Yellow,
Blue,
Magenta,
Cyan,
White,
Orange
}