Re-add Stat Tracker. Disabled while we set up the backend.

TShockAPI/StatTracker.cs

@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Net;
+using System.Threading;
+using System.IO;
+using System.Web;
+
+namespace TShockAPI
+{
+	public class StatTracker
+	{
+
+		public StatTracker()
+		{
+			ThreadPool.QueueUserWorkItem(SendUpdate);
+		}
+
+		private HttpWebResponse GetResponseNoException(HttpWebRequest req)
+		{
+			try
+			{
+				return (HttpWebResponse)req.GetResponse();
+			}
+			catch (WebException we)
+			{
+				var resp = we.Response as HttpWebResponse;
+				if (resp == null)
+					throw;
+				return resp;
+			}
+		}
+
+		private void SendUpdate(object info)
+		{
+			Thread.Sleep(1000*60*15);
+			var data = new JsonData
+			{
+				port = Terraria.Netplay.serverPort,
+				currentPlayers = TShock.Utils.ActivePlayers(),
+				maxPlayers = TShock.Config.MaxSlots,
+				systemRam = 2097152,
+				systemCPUClock = 2516582,
+				version = TShock.VersionNum.ToString(),
+				terrariaVersion = Terraria.Main.versionNumber2		
+			};
+
+			var serialized = Newtonsoft.Json.JsonConvert.SerializeObject(data);
+			var encoded = HttpUtility.UrlEncode(serialized);
+			var uri = String.Format("http://127.0.0.1:8000?data={0}", encoded);
+			var client = (HttpWebRequest)WebRequest.Create(uri);
+			try
+			{
+				using (var resp = GetResponseNoException(client))
+				{
+					if (resp.StatusCode != HttpStatusCode.OK)
+					{
+						throw new IOException("Server did not respond with an OK.");
+					}
+				}
+			}
+			catch (Exception e)
+			{
+				Console.WriteLine("StatTracker has failed: {0}", e.Message);
+				return;
+			}
+
+			ThreadPool.QueueUserWorkItem(SendUpdate);
+		}
+	}
+
+	public struct JsonData
+	{
+		public int port;
+		public int currentPlayers;
+		public int maxPlayers;
+		public int systemRam;
+		public int systemCPUClock;
+		public string version;
+		public string terrariaVersion;
+	}
+}