Added the WebSocket.CheckPingParameter method, and removed the Ext.CheckIfValidControlData method

websocket-sharp/Ext.cs

@@ -251,13 +251,6 @@ namespace WebSocketSharp
                : null;
     }
 
-    internal static string CheckIfValidControlData (this byte[] data, string paramName)
-    {
-      return data.Length > 125
-             ? String.Format ("'{0}' has greater than the allowable max size.", paramName)
-             : null;
-    }
-
     internal static string CheckIfValidProtocols (this string[] protocols)
     {
       return protocols.Contains (

websocket-sharp/Server/WebSocketServiceManager.cs

@@ -566,10 +566,8 @@ namespace WebSocketSharp.Server
       if (message == null || message.Length == 0)
         return Broadping ();
 
-      byte[] data = null;
-      var msg = _state.CheckIfStart () ??
-                (data = Encoding.UTF8.GetBytes (message)).CheckIfValidControlData ("message");
-
+      byte[] data;
+      var msg = _state.CheckIfStart () ?? WebSocket.CheckPingParameter (message, out data);
       if (msg != null) {
         _logger.Error (msg);
         return null;

websocket-sharp/Server/WebSocketSessionManager.cs

@@ -571,10 +571,8 @@ namespace WebSocketSharp.Server
       if (message == null || message.Length == 0)
         return Broadping ();
 
-      byte[] data = null;
-      var msg = _state.CheckIfStart () ??
-                (data = Encoding.UTF8.GetBytes (message)).CheckIfValidControlData ("message");
-
+      byte[] data;
+      var msg = _state.CheckIfStart () ?? WebSocket.CheckPingParameter (message, out data);
       if (msg != null) {
         _logger.Error (msg);
         return null;

websocket-sharp/WebSocket.cs

@@ -1588,6 +1588,12 @@ namespace WebSocketSharp
                    : null;
     }
 
+    internal static string CheckPingParameter (string message, out byte[] bytes)
+    {
+      bytes = Encoding.UTF8.GetBytes (message);
+      return bytes.Length > 125 ? "A message has greater than the allowable max size." : null;
+    }
+
     // As server
     internal void Close (HttpResponse response)
     {
@@ -2114,8 +2120,8 @@ namespace WebSocketSharp
       if (message == null || message.Length == 0)
         return Ping ();
 
-      var data = Encoding.UTF8.GetBytes (message);
-      var msg = data.CheckIfValidControlData ("message");
+      byte[] data;
+      var msg = CheckPingParameter (message, out data);
       if (msg != null) {
         _logger.Error (msg);
         error ("An error has occurred in sending the ping.", null);