feat(extOSC): added drown detection in receiver

Assets/extOSC/Scripts/Editor/Editors/OSCReceiverEditor.cs

@@ -32,7 +32,11 @@ public class OSCReceiverEditor : UnityEditor.Editor
 
 		private static readonly GUIContent _closeOnPauseContent = new GUIContent("Close On Pause");
 
+		private static readonly GUIContent _drownContent = new GUIContent("Receiver is drown!");
+
 		private static string _advancedSettingsText = "\"Advanced settings\" are not available for UWP (WSA).";
+
+		private static string _drownText = "OSCReceiver is unable to process the current number of packets. Try reducing the number of packetss, or turn off optimizations: \"Tools/extOSC/\".";
 
 		private static MethodInfo _updateMethod;
 
@@ -108,6 +112,18 @@ public override void OnInspectorGUI()
 			// LOGO
 			OSCEditorInterface.LogoLayout();
 
+			// IS DROWN INDICATE
+			if (_receiver.IsDrown)
+			{
+				GUI.color = Color.red;
+				using (new GUILayout.VerticalScope(OSCEditorStyles.Box))
+				{
+					GUILayout.Label(_drownContent, OSCEditorStyles.CenterBoldLabel);
+					GUI.color = _defaultColor;
+					EditorGUILayout.HelpBox(_drownText, MessageType.Error);
+				}
+			}
+
 			// INSPECTOR
 			EditorGUILayout.LabelField("Active: " + _receiver.IsStarted, EditorStyles.boldLabel);
 			using (new GUILayout.VerticalScope(OSCEditorStyles.Box))

Assets/extOSC/Scripts/Editor/OSCDefinesManager.cs

@@ -3,6 +3,7 @@
 using UnityEditor;
 
 using System;
+using System.Linq;
 
 namespace extOSC.Editor
 {
@@ -29,32 +30,42 @@ static OSCDefinesManager()
 
 		public static void SetDefine(string define, bool active)
 		{
+			// Get all defines groups.
 			var buildTargets = (BuildTargetGroup[]) Enum.GetValues(typeof(BuildTargetGroup));
 			foreach (var targetGroup in buildTargets)
 			{
 				if (!CheckBuildTarget(targetGroup)) continue;
 
-				var scriptingDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(targetGroup);
-				if (!scriptingDefines.Contains(define) && active)
+				// Get all defines.
+				var definesString = PlayerSettings.GetScriptingDefineSymbolsForGroup(targetGroup);
+				var defines = definesString.Split(';').ToList();
+
+				// Setup defines.
+				if (active)
 				{
-					scriptingDefines += ";" + define;
+					if (!defines.Contains(define))
+						defines.Add(define);
 				}
-				else if (!active)
+				else
 				{
-					scriptingDefines = scriptingDefines.Replace(define, string.Empty);
+					defines.Remove(define);
 				}
 
-				PlayerSettings.SetScriptingDefineSymbolsForGroup(targetGroup, scriptingDefines);
+				// Store new defines.
+				PlayerSettings.SetScriptingDefineSymbolsForGroup(targetGroup, string.Join(';', defines));
 			}
 		}
 
 		public static bool HasDefine(string define)
 		{
 			// Get current define group.
 			var currentBuildTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
+
+			var definesString = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentBuildTarget);
+			var defines = definesString.Split(';');
 
-			// Check.
-			return PlayerSettings.GetScriptingDefineSymbolsForGroup(currentBuildTarget).Contains(define);
+			// Check contain defines.
+			return defines.Contains(define);
 		}
 
 		#endregion
@@ -63,7 +74,7 @@ public static bool HasDefine(string define)
 
 		private static bool CheckBuildTarget(BuildTargetGroup buildTarget)
 		{
-			// Not available id Unknown.
+			// Not available in Unknown.
 			if (buildTarget == BuildTargetGroup.Unknown)
 				return false;
 

Assets/extOSC/Scripts/Editor/OSCMenuOptions.cs

@@ -32,8 +32,12 @@ public static class OSCMenuOptions
 
 		private const string _settingsUTF8 = _settingsEncoding + "UTF8";
 
+		private const string _settingsDrown = _settingsRoot + "Detect Receiver Drown";
+
 		private const string _encodingDefine = "EXTOSC_UTF8";
 
+		private const string _drownDefine = "EXTOSC_DISABLE_DROWN";
+
 		private const int _settingsIndex = _windowsIndex + 100;
 
 		private const string _linksRoot = _toolsRoot + "Links/";
@@ -96,6 +100,19 @@ public static bool SettingsSwitchUTF8Validate()
 			return true;
 		}
 
+		[MenuItem(_settingsDrown, false, _settingsIndex + 2)]
+		public static void SettingsDrown()
+		{
+			OSCDefinesManager.SetDefine(_drownDefine, !OSCDefinesManager.HasDefine(_drownDefine));
+		}
+
+		[MenuItem(_settingsDrown, true)]
+		public static bool SettingsDrownValidate()
+		{
+			Menu.SetChecked(_settingsDrown, !OSCDefinesManager.HasDefine(_drownDefine));
+			return true;
+		}
+
 		// LINKS
 		[MenuItem(_linksRoot + "GitHub: Repository", false, _linksIndex)]
 		public static void ShowRepository(MenuCommand menuCommand)

Assets/extOSC/Scripts/OSCReceiver.cs

@@ -6,16 +6,23 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 
 using extOSC.Core;
 using extOSC.Core.Network;
 
-
 namespace extOSC
 {
 	[AddComponentMenu("extOSC/OSC Receiver")]
 	public class OSCReceiver : OSCBase
 	{
+		#region Static Private Vars
+
+		// Max packets processing time in ms.
+		private const long kMaxProcessingTime = 20;
+
+		#endregion
+
 		#region Public Vars
 
 		public override bool IsStarted => _receiverBackend.IsAvailable;
@@ -76,6 +83,8 @@ public int LocalPort
 			}
 		}
 
+		public bool IsDrown => _isDrown;
+
 		#endregion
 
 		#region Private Vars
@@ -120,12 +129,18 @@ private OSCReceiverBackend _receiverBackend
 
 		private readonly Stack<IOSCBindBundle> _bundleUnbindStack = new Stack<IOSCBindBundle>();
 
+		private readonly Stopwatch _packetsStopwatch = new Stopwatch();
+
 		private readonly object _lock = new object();
 
 		private OSCReceiverBackend __receiverBackend;
 
+		private int _previousPacketsCount;
+
 		private bool _processMessage;
 
+		private bool _isDrown;
+
 		#endregion
 
 		#region Unity Methods
@@ -136,6 +151,9 @@ protected virtual void Update()
 
 			lock (_lock)
 			{
+				_packetsStopwatch.Reset();
+				_packetsStopwatch.Start();
+
 				while (_packets.Count > 0)
 				{
 					var packet = _packets.Dequeue();
@@ -146,6 +164,23 @@ protected virtual void Update()
 					OSCConsole.Received(this, packet);
 
 					InvokePacket(packet);
+
+#if !EXTOSC_DISABLE_DROWN
+					if (_packetsStopwatch.ElapsedMilliseconds > kMaxProcessingTime)
+					{
+						var packetsCount = _packets.Count;
+
+						_isDrown = _previousPacketsCount != 0 && _previousPacketsCount > packetsCount;
+						_previousPacketsCount = packetsCount;
+
+						break;
+					}
+					else
+					{
+						_isDrown = false;
+						_previousPacketsCount = 0;
+					}
+#endif
 				}
 			}
 		}