Add more pacakges.

Source/MQTTnet/Packets/MqttConnAckPacket.cs

@@ -13,7 +13,7 @@ namespace MQTTnet.Packets
 
         #region Added in MQTTv5
 
-        public MqttConnectReasonCode? ConnectReasonCode { get; set; }
+        public MqttConnectReasonCode? ReasonCode { get; set; }
 
         public MqttConnAckPacketProperties Properties { get; set; }
 
@@ -21,7 +21,7 @@ namespace MQTTnet.Packets
 
         public override string ToString()
         {
-            return "ConnAck: [ConnectReturnCode=" + ConnectReturnCode + "] [IsSessionPresent=" + IsSessionPresent + "]";
+            return string.Concat("ConnAck: [ConnectReturnCode=", ConnectReturnCode, "] [ReasonCode=", ReasonCode, "] [IsSessionPresent=", IsSessionPresent, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttConnectPacket.cs

@@ -29,7 +29,7 @@
 
         public override string ToString()
         {
-            return "Connect: [ProtocolLevel=" + ProtocolLevel + "] [ClientId=" + ClientId + "] [Username=" + Username + "] [Password=" + Password + "] [KeepAlivePeriod=" + KeepAlivePeriod + "] [CleanSession=" + CleanSession + "]";
+            return string.Concat("Connect: [ProtocolLevel=", ProtocolLevel, "] [ClientId=", ClientId, "] [Username=", Username, "] [Password=", Password, "] [KeepAlivePeriod=", KeepAlivePeriod, "] [CleanSession=", CleanSession, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttPubAckPacket.cs

@@ -6,7 +6,7 @@ namespace MQTTnet.Packets
     {
         #region Added in MQTTv5
 
-        public MqttPubAckReasonCode? ConnectReasonCode { get; set; }
+        public MqttPubAckReasonCode? ReasonCode { get; set; }
 
         public MqttPubAckPacketProperties Properties { get; set; }
 
@@ -14,7 +14,7 @@ namespace MQTTnet.Packets
 
         public override string ToString()
         {
-            return $"PubAck: [PacketIdentifier={PacketIdentifier}] [ConnectReasonCode={ConnectReasonCode}]";
+            return string.Concat("PubAck: [PacketIdentifier=", PacketIdentifier, "] [ConnectReasonCode=", ReasonCode, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttPubCompPacket.cs

@@ -1,10 +1,20 @@
-namespace MQTTnet.Packets
+using MQTTnet.Protocol;
+
+namespace MQTTnet.Packets
 {
     public class MqttPubCompPacket : MqttBasePublishPacket
     {
+        #region Added in MQTTv5
+
+        public MqttPubCompReasonCode? ReasonCode { get; set; }
+
+        public MqttPubCompPacketProperties Properties { get; set; }
+
+        #endregion
+
         public override string ToString()
         {
-            return "PubComp";
+            return string.Concat("PubComp: [PacketIdentifier=", PacketIdentifier, "] [ReasonCode=", ReasonCode, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttPubCompPacketProperties.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MQTTnet.Packets
+{
+    public class MqttPubCompPacketProperties
+    {
+        public string ReasonString { get; set; }
+
+        public List<MqttUserProperty> UserProperties { get; set; }
+    }
+}

Source/MQTTnet/Packets/MqttPubRecPacket.cs

@@ -1,10 +1,20 @@
-namespace MQTTnet.Packets
+using MQTTnet.Protocol;
+
+namespace MQTTnet.Packets
 {
     public class MqttPubRecPacket : MqttBasePublishPacket
     {
+        #region Added in MQTTv5
+
+        public MqttPubRecReasonCode? ReasonCode { get; set; }
+
+        public MqttPubRecPacketProperties Properties { get; set; }
+
+        #endregion
+
         public override string ToString()
         {
-            return "PubRec";
+            return string.Concat("PubRec: [PacketIdentifier=", PacketIdentifier, "] [ReasonCode=", ReasonCode, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttPubRecPacketProperties.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MQTTnet.Packets
+{
+    public class MqttPubRecPacketProperties
+    {
+        public string ReasonString { get; set; }
+
+        public List<MqttUserProperty> UserProperties { get; set; }
+    }
+}

Source/MQTTnet/Packets/MqttPubRelPacket.cs

@@ -1,10 +1,20 @@
-namespace MQTTnet.Packets
+using MQTTnet.Protocol;
+
+namespace MQTTnet.Packets
 {
     public class MqttPubRelPacket : MqttBasePublishPacket
     {
+        #region Added in MQTTv5
+
+        public MqttPubRelReasonCode? ReasonCode { get; set; }
+
+        public MqttPubRelPacketProperties Properties { get; set; }
+
+        #endregion
+
         public override string ToString()
         {
-            return "PubRel";
+            return string.Concat("PubRel: [PacketIdentifier=", PacketIdentifier, "] [ReasonCode=", ReasonCode, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttPubRelPacketProperties.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MQTTnet.Packets
+{
+    public class MqttPubRelPacketProperties
+    {
+        public string ReasonString { get; set; }
+
+        public List<MqttUserProperty> UserProperties { get; set; }
+    }
+}

Source/MQTTnet/Packets/MqttPublishPacket.cs

@@ -15,19 +15,14 @@ namespace MQTTnet.Packets
         public byte[] Payload { get; set; }
 
         #region Added in MQTTv5
-        
+
         public MqttPublishPacketProperties Properties { get; set; }
-        
+
         #endregion
 
         public override string ToString()
         {
-            return "Publish: [Topic=" + Topic + "]" +
-                " [Payload.Length=" + Payload?.Length + "]" +
-                " [QoSLevel=" + QualityOfServiceLevel + "]" +
-                " [Dup=" + Dup + "]" +
-                " [Retain=" + Retain + "]" +
-                " [PacketIdentifier=" + PacketIdentifier + "]";
+            return string.Concat("Publish: [Topic=", Topic, "] [Payload.Length=", Payload?.Length, "] [QoSLevel=", QualityOfServiceLevel, "] [Dup=", Dup, "] [Retain=", Retain, "] [PacketIdentifier=", PacketIdentifier, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttSubAckPacket.cs

@@ -8,12 +8,20 @@ namespace MQTTnet.Packets
     {
         public ushort? PacketIdentifier { get; set; }
 
-        public IList<MqttSubscribeReturnCode> SubscribeReturnCodes { get; } = new List<MqttSubscribeReturnCode>();
+        public List<MqttSubscribeReturnCode> SubscribeReturnCodes { get; } = new List<MqttSubscribeReturnCode>();
+
+        #region Added in MQTTv5
+
+        public List<MqttSubscribeReasonCode?> ReasonCodes { get; set; }
+
+        public MqttSubAckPacketProperties Properties { get; set; }
+
+        #endregion
 
         public override string ToString()
         {
             var subscribeReturnCodesText = string.Join(",", SubscribeReturnCodes.Select(f => f.ToString()));
-            return "SubAck: [PacketIdentifier=" + PacketIdentifier + "] [SubscribeReturnCodes=" + subscribeReturnCodesText + "]";
+            return string.Concat("SubAck: [PacketIdentifier=", PacketIdentifier, "] [SubscribeReturnCodes=", subscribeReturnCodesText, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttSubAckPacketProperties.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MQTTnet.Packets
+{
+    public class MqttSubAckPacketProperties
+    {
+        public string ReasonString { get; set; }
+
+        public List<MqttUserProperty> UserProperties { get; set; }
+    }
+}

Source/MQTTnet/Packets/MqttSubscribePacket.cs

@@ -9,10 +9,16 @@ namespace MQTTnet.Packets
 
         public IList<TopicFilter> TopicFilters { get; set; } = new List<TopicFilter>();
 
+        #region Added in MQTTv5
+
+        public MqttSubscribePacketProperties Properties { get; set; }
+
+        #endregion
+
         public override string ToString()
         {
             var topicFiltersText = string.Join(",", TopicFilters.Select(f => f.Topic + "@" + f.QualityOfServiceLevel));
-            return "Subscribe: [PacketIdentifier=" + PacketIdentifier + "] [TopicFilters=" + topicFiltersText + "]";
+            return string.Concat("Subscribe: [PacketIdentifier=", PacketIdentifier, "] [TopicFilters=", topicFiltersText, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttSubscribePacketProperties.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace MQTTnet.Packets
+{
+    public class MqttSubscribePacketProperties
+    {
+        public uint? SubscriptionIdentifier { get; set; }
+
+        public List<MqttUserProperty> UserProperties { get; set; }
+    }
+}

Source/MQTTnet/Packets/MqttUnsubAckPacket.cs

@@ -6,7 +6,7 @@
 
         public override string ToString()
         {
-            return "UnsubAck: [PacketIdentifier=" + PacketIdentifier + "]";
+            return string.Concat("UnsubAck: [PacketIdentifier=", PacketIdentifier, "]");
         }
     }
 }

Source/MQTTnet/Packets/MqttUnsubscribe.cs

@@ -11,7 +11,7 @@ namespace MQTTnet.Packets
         public override string ToString()
         {
             var topicFiltersText = string.Join(",", TopicFilters);
-            return "Unsubscribe: [PacketIdentifier=" + PacketIdentifier + "] [TopicFilters=" + topicFiltersText + "]";
+            return string.Concat("Unsubscribe: [PacketIdentifier=", PacketIdentifier, "] [TopicFilters=", topicFiltersText, "]");
         }
     }
 }