Do not log websocket aborted exceptions when closing websocket

mbett7 · mbett7 · commit 317832ff8a98 · 2019-05-03T17:32:48.000+10:00
diff --git a/src/net45/Extensions/WampSharp.WebSockets/WebSockets/WebSocketWrapperConnection.cs b/src/net45/Extensions/WampSharp.WebSockets/WebSockets/WebSocketWrapperConnection.cs
@@ -136,8 +136,11 @@ await mWebSocket.CloseAsync(WebSocketCloseStatus.NormalClosure,
             }
             catch (Exception ex)
             {
-                mLogger.WarnException("Failed sending a close message to client", ex);
+                if (!IsWebSocketAbortedException(ex))
+                    mLogger.WarnException("Failed sending a close message to client", ex);
             }
+
+            bool IsWebSocketAbortedException(Exception ex) => ex is WebSocketException e && e.WebSocketErrorCode == WebSocketError.InvalidState;
         }
 
         private async Task<WebSocketReceiveResult> ReadMessage(ArraySegment<byte> receivedDataBuffer, MemoryStream memoryStream)

Original file line number	Diff line number	Diff line change
`@@ -136,8 +136,11 @@ await mWebSocket.CloseAsync(WebSocketCloseStatus.NormalClosure,`
`136`	`136`	`}`
`137`	`137`	`catch (Exception ex)`
`138`	`138`	`{`
`139`		`- mLogger.WarnException("Failed sending a close message to client", ex);`
	`139`	`+ if (!IsWebSocketAbortedException(ex))`
	`140`	`+ mLogger.WarnException("Failed sending a close message to client", ex);`
`140`	`141`	`}`
	`142`	`+`
	`143`	`+ bool IsWebSocketAbortedException(Exception ex) => ex is WebSocketException e && e.WebSocketErrorCode == WebSocketError.InvalidState;`
`141`	`144`	`}`
`142`	`145`
`143`	`146`	`private async Task<WebSocketReceiveResult> ReadMessage(ArraySegment<byte> receivedDataBuffer, MemoryStream memoryStream)`