Sending invalid UTF-8 TEXT message should fail and close the connection (fix **tons** of autobahn test: 6.X UTF-8 Handling)

ixwebsocket/IXWebSocket.cpp

@@ -447,9 +447,7 @@ namespace ix
                                       bool binary,
                                       const OnProgressCallback& onProgressCallback)
     {
-        return sendMessage(data,
-                           (binary) ? SendMessageKind::Binary: SendMessageKind::Text,
-                           onProgressCallback);
+        return (binary) ? sendBinary(data, onProgressCallback) : sendText(data, onProgressCallback);
     }
 
     WebSocketSendInfo WebSocket::sendBinary(const std::string& text,
@@ -463,7 +461,8 @@ namespace ix
     {
         if (!isValidUtf8(text))
         {
-            stop();
+            close(WebSocketCloseConstants::kNormalClosureCode,
+                  WebSocketCloseConstants::kInvalidUtf8);
             return false;
         }
         return sendMessage(text, SendMessageKind::Text, onProgressCallback);

ixwebsocket/IXWebSocketCloseConstants.cpp

@@ -23,4 +23,5 @@ namespace ix
     const std::string WebSocketCloseConstants::kProtocolErrorReservedBitUsed("Reserved bit used");
     const std::string WebSocketCloseConstants::kProtocolErrorPingPayloadOversized("Ping reason control frame with payload length > 125 octets");
     const std::string WebSocketCloseConstants::kProtocolErrorCodeControlMessageFragmented("Control message fragmented");
+    const std::string WebSocketCloseConstants::kInvalidUtf8("Invalid UTF-8");
 }

ixwebsocket/IXWebSocketCloseConstants.h

@@ -28,5 +28,6 @@ namespace ix
         static const std::string kProtocolErrorReservedBitUsed;
         static const std::string kProtocolErrorPingPayloadOversized;
         static const std::string kProtocolErrorCodeControlMessageFragmented;
+        static const std::string kInvalidUtf8;
     };
 } // namespace ix

ixwebsocket/IXWebSocketVersion.h

@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "5.1.3"
+#define IX_WEBSOCKET_VERSION "5.1.4"