Make it possible to run steam client with UDP

ArchiSteamFarm/Bot.cs

@@ -186,7 +186,7 @@ namespace ArchiSteamFarm {
 			}
 
 			// Initialize
-			SteamClient = new SteamClient();
+			SteamClient = new SteamClient(Program.GlobalConfig.SteamProtocol);
 
 			if (Program.GlobalConfig.Debug && !Debugging.NetHookAlreadyInitialized && Directory.Exists(Program.DebugDirectory)) {
 				try {

ArchiSteamFarm/GlobalConfig.cs

@@ -26,6 +26,7 @@ using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Net.Sockets;
 
 namespace ArchiSteamFarm {
 	internal sealed class GlobalConfig {
@@ -47,6 +48,9 @@ namespace ArchiSteamFarm {
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal EUpdateChannel UpdateChannel { get; private set; } = EUpdateChannel.Stable;
 
+		[JsonProperty(Required = Required.DisallowNull)]
+		internal ProtocolType SteamProtocol { get; private set; } = ProtocolType.Tcp;
+
 		[JsonProperty(Required = Required.DisallowNull)]
 		internal ulong SteamOwnerID { get; private set; } = 0;
 
@@ -107,6 +111,17 @@ namespace ArchiSteamFarm {
 				return null;
 			}
 
+			// SK2 supports only TCP and UDP steam protocols
+			// Make sure that user can't screw this up
+			switch (globalConfig.SteamProtocol) {
+				case ProtocolType.Tcp:
+				case ProtocolType.Udp:
+					break;
+				default:
+					globalConfig.SteamProtocol = ProtocolType.Tcp;
+					break;
+			}
+
 			return globalConfig;
 		}
 

ArchiSteamFarm/config/ASF.json

@@ -2,6 +2,7 @@
   "Debug": false,
   "AutoUpdates": true,
   "UpdateChannel": 1,
+  "SteamProtocol": 6,
   "SteamOwnerID": 0,
   "MaxFarmingTime": 10,
   "IdleFarmingPeriod": 3,