ping pong 관련 예외처리 추가

BitgetApi/WebService/WebConnection.cs

@@ -317,12 +317,23 @@ namespace BitgetAPI.WebService
 
                     //Thread.Sleep(100);
 
-                    byte[] buffer = new byte[4096 * 10];
+                    byte[] buffer = new byte[1024];
                     WebSocketReceiveResult result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
                     message = "";
                     // 수신한 데이터 처리
                     message = System.Text.Encoding.UTF8.GetString(buffer, 0, result.Count);
 
+                    if (message.Contains("pong"))
+                    {
+                        string[] splitStr = { "pong" };
+                        var temp = message.Split(splitStr, StringSplitOptions.RemoveEmptyEntries);
+                        message = "";
+                        foreach (var item in temp)
+                        {
+                            message += item;
+                        }
+                    }
+
                     if (tempStrData == "") {
                         if (!ValidateJSON(message))
                         {
@@ -340,6 +351,7 @@ namespace BitgetAPI.WebService
                         else
                         {
                             message = tempStrData;
+                            tempStrData = "";
                         }
                     }