[增加]1. 增加是否连接状态的属性

Author: AlianBlank

Runtime/Core/IWebSocket.cs

@@ -15,6 +15,8 @@ namespace UnityWebSocket
     /// </summary>
     public interface IWebSocket
     {
+        bool IsConnected { get; }
+        
         /// <summary>
         /// Establishes a connection asynchronously.
         /// </summary>

Runtime/Implementation/NoWebGL/WebSocket.cs

@@ -44,6 +44,12 @@ public WebSocketState ReadyState
         public event EventHandler<MessageEventArgs> OnMessage;
 
         private ClientWebSocket socket;
+
+        public bool IsConnected
+        {
+            get { return isOpening; }
+        }
+
         private bool isOpening => socket != null && socket.State == System.Net.WebSockets.WebSocketState.Open;
         private ConcurrentQueue<SendBuffer> sendQueue = new ConcurrentQueue<SendBuffer>();
         private ConcurrentQueue<EventArgs> eventQueue = new ConcurrentQueue<EventArgs>();

Runtime/Implementation/WebGL/WebSocket.cs

@@ -1,4 +1,5 @@
 #if !UNITY_EDITOR && UNITY_WEBGL
+
 using System;
 
 namespace UnityWebSocket
@@ -7,7 +8,18 @@ public class WebSocket : IWebSocket
     {
         public string Address { get; private set; }
         public string[] SubProtocols { get; private set; }
-        public WebSocketState ReadyState { get { return (WebSocketState)WebSocketManager.WebSocketGetState(instanceId); } }
+
+        public bool IsConnected
+        {
+            get { return isOpening; }
+        }
+
+        private bool isOpening;
+
+        public WebSocketState ReadyState
+        {
+            get { return (WebSocketState)WebSocketManager.WebSocketGetState(instanceId); }
+        }
 
         public event EventHandler<OpenEventArgs> OnOpen;
         public event EventHandler<CloseEventArgs> OnClose;
@@ -92,6 +104,7 @@ public void SendAsync(byte[] data)
         internal void HandleOnOpen()
         {
             Log("OnOpen");
+            isOpening = true;
             OnOpen?.Invoke(this, new OpenEventArgs());
         }
 
@@ -110,13 +123,15 @@ internal void HandleOnMessageStr(string data)
         internal void HandleOnClose(ushort code, string reason)
         {
             Log($"OnClose, code: {code}, reason: {reason}");
+            isOpening = false;
             OnClose?.Invoke(this, new CloseEventArgs(code, reason));
             WebSocketManager.Remove(instanceId);
         }
 
         internal void HandleOnError(string msg)
         {
             Log("OnError, error: " + msg);
+            isOpening = false;
             OnError?.Invoke(this, new ErrorEventArgs(msg));
         }
 
@@ -144,4 +159,5 @@ static void Log(string msg)
         }
     }
 }
+
 #endif