Disgusting fix for broken Mono

ArchiSteamFarm/ArchiSteamFarm.csproj

@@ -109,6 +109,7 @@
     <Compile Include="JSON\GitHub.cs" />
     <Compile Include="JSON\Steam.cs" />
     <Compile Include="Logging.cs" />
+    <Compile Include="Mono.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Trading.cs" />

ArchiSteamFarm/GlobalConfig.cs

@@ -159,6 +159,11 @@ namespace ArchiSteamFarm {
 				globalConfig.FarmingDelay = DefaultFarmingDelay;
 			}
 
+			if ((globalConfig.FarmingDelay > 5) && Mono.RequiresWorkaroundForBug41701()) {
+				Logging.LogGenericWarning("Your Mono runtime is affected by bug 41701, FarmingDelay of " + globalConfig.FarmingDelay + " is not possible - value of 5 will be used instead");
+				globalConfig.FarmingDelay = 5;
+			}
+
 			if (globalConfig.HttpTimeout == 0) {
 				Logging.LogGenericWarning("Configured HttpTimeout is invalid: " + globalConfig.HttpTimeout + ". Value of " + DefaultHttpTimeout + " will be used instead");
 				globalConfig.HttpTimeout = DefaultHttpTimeout;

ArchiSteamFarm/Mono.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Reflection;
+
+namespace ArchiSteamFarm {
+	internal static class Mono {
+		internal static bool RequiresWorkaroundForBug41701() {
+			// https://bugzilla.xamarin.com/show_bug.cgi?id=41701
+			Version version = GetMonoVersion();
+			if (version == null) {
+				return false;
+			}
+
+			return version >= new Version(4, 4);
+		}
+
+		private static Version GetMonoVersion() {
+			Type type = Type.GetType("Mono.Runtime");
+			if (type == null) {
+				return null; // OK, not Mono
+			}
+
+			MethodInfo displayName = type.GetMethod("GetDisplayName", BindingFlags.NonPublic | BindingFlags.Static);
+			if (displayName == null) {
+				Logging.LogNullError(nameof(displayName));
+				return null;
+			}
+
+			string versionString = (string) displayName.Invoke(null, null);
+			if (string.IsNullOrEmpty(versionString)) {
+				Logging.LogNullError(nameof(versionString));
+				return null;
+			}
+
+			int index = versionString.IndexOf(' ');
+			if (index <= 0) {
+				Logging.LogNullError(nameof(index));
+				return null;
+			}
+
+			versionString = versionString.Substring(0, index);
+
+			Version version;
+			if (Version.TryParse(versionString, out version)) {
+				return version;
+			}
+
+			Logging.LogNullError(nameof(version));
+			return null;
+		}
+	}
+}