【m】优化socket代码

Packages/com.unity.renderstreaming@3.1.0-exp.9/Runtime/Scripts/ISignalingEventHandler.cs

@@ -41,4 +41,36 @@ namespace Unity.RenderStreaming
     {
         void OnAddReceiver(SignalingEventData eventData);
     }
+
+    /// <summary>
+    /// 参与者加入事件处理器（仅Host收到）
+    /// </summary>
+    public interface IParticipantJoinedHandler : IEventSystemHandler
+    {
+        void OnParticipantJoined(SignalingEventData eventData);
+    }
+
+    /// <summary>
+    /// 参与者离开事件处理器
+    /// </summary>
+    public interface IParticipantLeftHandler : IEventSystemHandler
+    {
+        void OnParticipantLeft(SignalingEventData eventData);
+    }
+
+    /// <summary>
+    /// 呼叫请求事件处理器
+    /// </summary>
+    public interface ICallRequestHandler : IEventSystemHandler
+    {
+        void OnCallRequest(SignalingEventData eventData);
+    }
+
+    /// <summary>
+    /// 自定义消息事件处理器
+    /// </summary>
+    public interface IMessageHandler : IEventSystemHandler
+    {
+        void OnMessage(SignalingEventData eventData);
+    }
 }