From 86dddd81c7c4de4fb55b633062ca2541dcb0de6d Mon Sep 17 00:00:00 2001
From: Christian Kratky <christian.kratky@googlemail.com>
Date: Sat, 6 May 2017 12:15:14 +0200
Subject: [PATCH] Extend invalid protocol exception message

---
 MQTTnet.Core/Serializer/DefaultMqttV311PacketSerializer.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/MQTTnet.Core/Serializer/DefaultMqttV311PacketSerializer.cs b/MQTTnet.Core/Serializer/DefaultMqttV311PacketSerializer.cs
index 61c6c8e..76071cf 100644
--- a/MQTTnet.Core/Serializer/DefaultMqttV311PacketSerializer.cs
+++ b/MQTTnet.Core/Serializer/DefaultMqttV311PacketSerializer.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Linq;
 using System.Text;
-using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using MQTTnet.Core.Channel;
 using MQTTnet.Core.Exceptions;
@@ -201,7 +200,7 @@ namespace MQTTnet.Core.Serializer
 
                     default:
                         {
-                            throw new MqttProtocolViolationException("Packet type not supported.");
+                            throw new MqttProtocolViolationException($"Packet type ({(int)mqttPacketReader.ControlPacketType}) not supported.");
                         }
                 }
             }