source: TFP-WebServer/WebServer/src/SSE/EventLog.cs@ 447

using System;
using JetBrains.Annotations;
using UnityEngine;
using Utf8Json;
using Webserver.UrlHandlers;
using Webserver.WebAPI;

namespace Webserver.SSE {
        [UsedImplicitly]
        public class EventLog : AbsEvent {
                public EventLog (SseHandler _parent) : base (_parent, _name: "log") {
                        Log.LogCallbacksExtended += LogCallback;
                }

                private static readonly byte[] jsonMsgKey = JsonWriter.GetEncodedPropertyNameWithBeginObject ("msg");
                private static readonly byte[] jsonTypeKey = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("type");
                private static readonly byte[] jsonTraceKey = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("trace");
                private static readonly byte[] jsonIsotimeKey = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("isotime");
                private static readonly byte[] jsonUptimeKey = JsonWriter.GetEncodedPropertyNameWithPrefixValueSeparator ("uptime");

                private void LogCallback (string _formattedMsg, string _plainMsg, string _trace, LogType _type, DateTime _timestamp, long _uptime) {
                        string uptime = _uptime.ToString ();

                        JsonWriter writer = new JsonWriter ();
                        
                        writer.WriteRaw (jsonMsgKey);
                        writer.WriteString (_plainMsg);
                        
                        writer.WriteRaw (jsonTypeKey);
                        writer.WriteString (_type.ToStringCached ());
                        
                        writer.WriteRaw (jsonTraceKey);
                        writer.WriteString (_trace);
                        
                        writer.WriteRaw (jsonIsotimeKey);
                        JsonCommons.WriteDateTime (ref writer, _timestamp);
                        
                        writer.WriteRaw (jsonUptimeKey);
                        writer.WriteString (uptime);
                        
                        writer.WriteEndObject ();
                        
                        SendData ("logLine", writer.ToString ());
                }
        }
}