Simple background monitor for tracking memory, CPU usage, and server status

src/DiIiS-NA/Extensions.cs

@@ -0,0 +1,92 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+
+namespace DiIiS_NA
+{
+    public static class Extensions
+    {
+        /// <summary>
+        /// Transforms a timespan to a readable text.
+        /// E.g.:
+        /// 1 day, 2 hours, 3 minutes and 4 seconds
+        /// 5 hours, 6 minutes and 7 seconds
+        ///
+        /// If over certain threshold (millennium or more) it will only return the number of days.
+        /// </summary>
+        /// <param name="span">The timespan to be converted</param>
+        /// <returns>The readable text</returns>
+        public static string ToText(this TimeSpan span)
+        {
+            List<string> parts = new();
+
+            // if days are divided by 365, we have years, otherwise we have months or days
+            if (span.Days / 365 > 0)
+            {
+                // if days are divided by 365, we have years
+                parts.Add($"{((double)span.Days / 365):F} year{(span.Days / 365 > 1 ? "s" : "")}");
+                // get months from the remaining days
+                int months = span.Days % 365 / 30;
+                if (months > 0)
+                    parts.Add($"{months} month{(months > 1 ? "s" : "")}");
+                
+                // get remaining days
+                int days = span.Days % 365 % 30;
+                if (days > 0)
+                    parts.Add($"{days} day{(days > 1 ? "s" : "")}");
+            }
+            else if (span.Days / 30 > 0)
+            {
+                // if days are divided by 30, we have months
+                parts.Add($"{((double)span.Days / 30):F} month{(span.Days / 30 > 1 ? "s" : "")}");
+                // get remaining days
+                int days = span.Days % 30;
+                if (days > 0)
+                    parts.Add($"{days} day{(days > 1 ? "s" : "")}");
+            }
+            else if (span.Days > 0)
+                // if days are not divided by 365 or 30, we have days
+                parts.Add( $"{span.Days} day{(span.Days > 1 ? "s" : "")}");
+            if (span.Hours > 0)
+                parts.Add($"{span.Hours} hour{(span.Hours > 1 ? "s" : "")}");
+            if (span.Minutes > 0)
+                parts.Add($"{span.Minutes} minute{(span.Minutes > 1 ? "s" : "")}");
+            if (span.Seconds > 0)
+                parts.Add($"{span.Seconds} second{(span.Seconds > 1 ? "s" : "")}");
+
+            var result = parts.ToArray();
+            return string.Join(", ", result[..^1]) + (result.Length > 1 ? " and " : "") + parts[^1];
+        }
+
+        public static string ToSmallText(this TimeSpan span)
+        {
+            List<string> parts = new();
+            if (span.Days / 365 > 0)
+            {
+                parts.Add($"{((double)span.Days / 365):F}y");
+                int months = span.Days % 365 / 30;
+                if (months > 0)
+                    parts.Add($"{months}m");
+                int days = span.Days % 365 % 30;
+                if (days > 0)
+                    parts.Add($"{days}d");
+            }
+            else if (span.Days / 30 > 0)
+            {
+                parts.Add($"{((double)span.Days / 30):F}m");
+                int days = span.Days % 30;
+                if (days > 0)
+                    parts.Add($"{days}d");
+            }
+            else if (span.Days > 0)
+                parts.Add($"{span.Days}d");
+            if (span.Hours > 0)
+                parts.Add($"{span.Hours}h");
+            if (span.Minutes > 0)
+                parts.Add($"{span.Minutes}m");
+            if (span.Seconds > 0)
+                parts.Add($"{span.Seconds}s");
+            return string.Join(" ", parts);
+        }
+    }
+}

src/DiIiS-NA/Program.cs

@@ -47,6 +47,7 @@ using Npgsql;
 using System;
 //Blizzless Project 2022 
 using System.Data.Common;
+using System.Diagnostics;
 //Blizzless Project 2022 
 using System.Globalization;
 //Blizzless Project 2022 
@@ -99,14 +100,50 @@ namespace DiIiS_NA
             AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionHandler;
             Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
             
-            string Name = $"Blizzless: Build {Build}, Stage: {Stage} - {TypeBuild}";
+            string name = $"Blizzless: Build {Build}, Stage: {Stage} - {TypeBuild}";
-            Console.WriteLine("                 " + Name);
+            Console.WriteLine("                 " + name);
             Console.WriteLine("Connected Module: 0x00 - Diablo 3 RoS 2.7.4.84161");
             Console.WriteLine("------------------------------------------------------------------------");
             Console.ResetColor();
-            Console.Title = Name;
+            Console.Title = name;
 
             InitLoggers();
+            
+#pragma warning disable CS4014
+            Task.Run(async () =>
+#pragma warning restore CS4014
+            {
+                Logger.Info("Started Background Monitor!");
+                while (true)
+                {
+                    try
+                    {
+                        var uptime = (DateTime.Now - StartupTime).ToText();
+                        // get total memory from process
+                        var totalMemory =
+                            (double)((double)Process.GetCurrentProcess().WorkingSet64 / 1024 / 1024 / 1024);
+                        // get CPU time
+                        using var proc = Process.GetCurrentProcess();
+                        var cpuTime = proc.TotalProcessorTime;
+                        var text =
+                            $"{name} | {PlayerManager.OnlinePlayers.Count()} onlines in {PlayerManager.OnlinePlayers.Count(s => s.InGameClient.Player.World != null)} worlds | Memory: {totalMemory:0.000} GB | CPU Time: {cpuTime.ToSmallText()} | Uptime: {uptime}";
+                        try
+                        {
+                            Console.Title = text;
+                            await Task.Delay(1000);
+                        }
+                        catch (Exception e)
+                        {
+                            Logger.Info(text);
+                            await Task.Delay(60000);
+                        }
+                    }
+                    catch (Exception e)
+                    {
+                    }
+                }
+            });
+            
             AchievementManager.Initialize();
             Core.Storage.AccountDataBase.SessionProvider.RebuildSchema();
 #if DEBUG