Lint: Code Improvement & Cleanup

Source/HiveMQtt/Client/Events/AfterConnectEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.AfterConnect"/> event.
 /// <para>This event is called after a connect is sent to the broker.</para>
-/// <para><see cref="AfterConnectEventArgs.ConnectResult"/> contains the result of the connect operation.</para>
+/// <para><see cref="ConnectResult"/> contains the result of the connect operation.</para>
 /// </summary>
 public class AfterConnectEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/AfterDisconnectEventArgs.cs

@@ -23,8 +23,8 @@ namespace HiveMQtt.Client.Events;
 /// </para>
 /// <para>
 /// If the disconnect was caused by a call to <see cref="HiveMQClient.DisconnectAsync"/>, then
-/// <see cref="AfterDisconnectEventArgs.CleanDisconnect"/> will be <c>true</c>.  If the disconnect
-/// was caused by a failure, then <see cref="AfterDisconnectEventArgs.CleanDisconnect"/> will be
+/// <see cref="CleanDisconnect"/> will be <c>true</c>.  If the disconnect
+/// was caused by a failure, then <see cref="CleanDisconnect"/> will be
 /// <c>false</c>.
 /// </para>
 /// </summary>

Source/HiveMQtt/Client/Events/AfterSubscribeEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.AfterSubscribe"/> event.
 /// <para>This event is called after a subscribe is sent to the broker.</para>
-/// <para><see cref="AfterSubscribeEventArgs.SubscribeResult"/> contains the result of the subscribe operation.</para>
+/// <para><see cref="SubscribeResult"/> contains the result of the subscribe operation.</para>
 /// </summary>
 public class AfterSubscribeEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/AfterUnsubscribeEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.AfterUnsubscribe"/> event.
 /// <para>This event is called after a unsubscribe is sent to the broker.</para>
-/// <para><see cref="AfterUnsubscribeEventArgs.UnsubscribeResult"/> contains the result of the unsubscribe operation.</para>
+/// <para><see cref="UnsubscribeResult"/> contains the result of the unsubscribe operation.</para>
 /// </summary>
 public class AfterUnsubscribeEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/BeforeConnectEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.BeforeConnect"/> event.
 /// <para>This event is called before a connect is sent to the broker.</para>
-/// <para><see cref="BeforeConnectEventArgs.Options"/> contains the options of the connect operation.</para>
+/// <para><see cref="Options"/> contains the options of the connect operation.</para>
 /// </summary>
 public class BeforeConnectEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/BeforeSubscribeEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.BeforeSubscribe"/> event.
 /// <para>This event is called before a subscribe is sent to the broker.</para>
-/// <para><see cref="BeforeSubscribeEventArgs.Options"/> contains the options of the subscribe operation.</para>
+/// <para><see cref="Options"/> contains the options of the subscribe operation.</para>
 /// </summary>
 public class BeforeSubscribeEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/BeforeUnsubscribeEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.BeforeUnsubscribe"/> event.
 /// <para>This event is called before an unsubscribe is sent to the broker.</para>
-/// <para><see cref="BeforeUnsubscribeEventArgs.Subscriptions"/> contains the subscriptions to unsubscribe.</para>
+/// <para><see cref="Subscriptions"/> contains the subscriptions to unsubscribe.</para>
 /// </summary>
 public class BeforeUnsubscribeEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnConnAckReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnConnAckReceived"/> event.
 /// <para>This event is called when a CONNACK packet is received from the broker.</para>
-/// <para><see cref="OnConnAckReceivedEventArgs.ConnAckPacket"/> contains the received CONNACK packet.</para>
+/// <para><see cref="ConnAckPacket"/> contains the received CONNACK packet.</para>
 /// </summary>
 public class OnConnAckReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnConnectSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnConnectSent"/> event.
 /// <para>This event is called when a CONNECT packet is sent to the broker.</para>
-/// <para><see cref="OnConnectSentEventArgs.ConnectPacket"/> contains the sent CONNECT packet.</para>
+/// <para><see cref="ConnectPacket"/> contains the sent CONNECT packet.</para>
 /// </summary>
 public class OnConnectSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnDisconnectReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnDisconnectReceived"/> event.
 /// <para>This event is called when a DISCONNECT packet is received from the broker.</para>
-/// <para><see cref="OnDisconnectReceivedEventArgs.DisconnectPacket"/> contains the received DISCONNECT packet.</para>
+/// <para><see cref="DisconnectPacket"/> contains the received DISCONNECT packet.</para>
 /// </summary>
 public class OnDisconnectReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnDisconnectSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnDisconnectSent"/> event.
 /// <para>This event is called when a DISCONNECT packet is sent to the broker.</para>
-/// <para><see cref="OnDisconnectSentEventArgs.DisconnectPacket"/> contains the sent DISCONNECT packet.</para>
+/// <para><see cref="DisconnectPacket"/> contains the sent DISCONNECT packet.</para>
 /// </summary>
 public class OnDisconnectSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPingReqSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPingReqSent"/> event.
 /// <para>This event is called when a PINGREQ packet is sent to the broker.</para>
-/// <para><see cref="OnPingReqSentEventArgs.PingReqPacket"/> contains the sent PINGREQ packet.</para>
+/// <para><see cref="PingReqPacket"/> contains the sent PINGREQ packet.</para>
 /// </summary>
 public class OnPingReqSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPingRespReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPingRespReceived"/> event.
 /// <para>This event is called when a PINGRESP packet is received from the broker.</para>
-/// <para><see cref="OnPingRespReceivedEventArgs.PingRespPacket"/> contains the received PINGRESP packet.</para>
+/// <para><see cref="PingRespPacket"/> contains the received PINGRESP packet.</para>
 /// </summary>
 public class OnPingRespReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubAckReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubAckReceived"/> event.
 /// <para>This event is called when a PUBACK packet is received from the broker.</para>
-/// <para><see cref="OnPubAckReceivedEventArgs.PubAckPacket"/> contains the received PUBACK packet.</para>
+/// <para><see cref="PubAckPacket"/> contains the received PUBACK packet.</para>
 /// </summary>
 public class OnPubAckReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubAckSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubAckSent"/> event.
 /// <para>This event is called when a PUBACK packet is sent to the broker.</para>
-/// <para><see cref="OnPubAckSentEventArgs.PubAckPacket"/> contains the sent PUBACK packet.</para>
+/// <para><see cref="PubAckPacket"/> contains the sent PUBACK packet.</para>
 /// </summary>
 public class OnPubAckSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubCompReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubCompReceived"/> event.
 /// <para>This event is called when a PUBCOMP packet is received from the broker.</para>
-/// <para><see cref="OnPubCompReceivedEventArgs.PubCompPacket"/> contains the received PUBCOMP packet.</para>
+/// <para><see cref="PubCompPacket"/> contains the received PUBCOMP packet.</para>
 /// </summary>
 public class OnPubCompReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubCompSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubCompReceived"/> event.
 /// <para>This event is called when a PUBCOMP packet is received from the broker.</para>
-/// <para><see cref="OnPubCompReceivedEventArgs.PubCompPacket"/> contains the received PUBCOMP packet.</para>
+/// <para><see cref="PubCompPacket"/> contains the received PUBCOMP packet.</para>
 /// </summary>
 public class OnPubCompSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubRecReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubRecReceived"/> event.
 /// <para>This event is called when a PUBREC packet is received from the broker.</para>
-/// <para><see cref="OnPubRecReceivedEventArgs.PubRecPacket"/> contains the received PUBREC packet.</para>
+/// <para><see cref="PubRecPacket"/> contains the received PUBREC packet.</para>
 /// </summary>
 public class OnPubRecReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubRecSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubRecSent"/> event.
 /// <para>This event is called when a PUBREC packet is sent to the broker.</para>
-/// <para><see cref="OnPubRecSentEventArgs.PubRecPacket"/> contains the sent PUBREC packet.</para>
+/// <para><see cref="PubRecPacket"/> contains the sent PUBREC packet.</para>
 /// </summary>
 public class OnPubRecSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubRelReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubRelReceived"/> event.
 /// <para>This event is called when a PUBREL packet is received from the broker.</para>
-/// <para><see cref="OnPubRelReceivedEventArgs.PubRelPacket"/> contains the received PUBREL packet.</para>
+/// <para><see cref="PubRelPacket"/> contains the received PUBREL packet.</para>
 /// </summary>
 public class OnPubRelReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPubRelSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPubRelSent"/> event.
 /// <para>This event is called when a PUBREL packet is sent to the broker.</para>
-/// <para><see cref="OnPubRelSentEventArgs.PubRelPacket"/> contains the sent PUBREL packet.</para>
+/// <para><see cref="PubRelPacket"/> contains the sent PUBREL packet.</para>
 /// </summary>
 public class OnPubRelSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPublishQoS1CompleteEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="PublishPacket.OnPublishQoS1Complete"/> event.
 /// <para>This event is called when a QoS level 1 publish as been completed.</para>
-/// <para><see cref="OnPublishQoS1CompleteEventArgs.PubAckPacket"/> contains the received PUBACK packet.</para>
+/// <para><see cref="PubAckPacket"/> contains the received PUBACK packet.</para>
 /// </summary>
 public class OnPublishQoS1CompleteEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPublishQoS2CompleteEventArgs.cs

@@ -21,7 +21,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="PublishPacket.OnPublishQoS2Complete"/> event.
 /// <para>This event is called when a QoS level 2 publish as been completed.</para>
-/// <para><see cref="OnPublishQoS2CompleteEventArgs.PacketList"/> contains the list of
+/// <para><see cref="PacketList"/> contains the list of
 /// packets sent/received in the QoS 2 transaction chain.</para>
 /// </summary>
 public class OnPublishQoS2CompleteEventArgs : EventArgs

Source/HiveMQtt/Client/Events/OnPublishReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPublishReceived"/> event.
 /// <para>This event is called when a PUBLISH packet is received from the broker.</para>
-/// <para><see cref="OnPublishReceivedEventArgs.PublishPacket"/> contains the received PUBLISH packet.</para>
+/// <para><see cref="PublishPacket"/> contains the received PUBLISH packet.</para>
 /// </summary>
 public class OnPublishReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnPublishSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnPublishSent"/> event.
 /// <para>This event is called when a PUBLISH packet is sent to the broker.</para>
-/// <para><see cref="OnPublishSentEventArgs.PublishPacket"/> contains the sent PUBLISH packet.</para>
+/// <para><see cref="PublishPacket"/> contains the sent PUBLISH packet.</para>
 /// </summary>
 public class OnPublishSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnSubAckReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnSubAckReceived"/> event.
 /// <para>This event is called when a SUBACK packet is received from the broker.</para>
-/// <para><see cref="OnSubAckReceivedEventArgs.SubAckPacket"/> contains the received SUBACK packet.</para>
+/// <para><see cref="SubAckPacket"/> contains the received SUBACK packet.</para>
 /// </summary>
 public class OnSubAckReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnSubscribeSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnSubscribeSent"/> event.
 /// <para>This event is called when a SUBSCRIBE packet is sent to the broker.</para>
-/// <para><see cref="OnSubscribeSentEventArgs.SubscribePacket"/> contains the sent SUBSCRIBE packet.</para>
+/// <para><see cref="SubscribePacket"/> contains the sent SUBSCRIBE packet.</para>
 /// </summary>
 public class OnSubscribeSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnUnsubAckReceivedEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnUnsubAckReceived"/> event.
 /// <para>This event is called when a UNSUBACK packet is received from the broker.</para>
-/// <para><see cref="OnUnsubAckReceivedEventArgs.UnsubAckPacket"/> contains the received UNSUBACK packet.</para>
+/// <para><see cref="UnsubAckPacket"/> contains the received UNSUBACK packet.</para>
 /// </summary>
 public class OnUnsubAckReceivedEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Events/OnUnsubscribeSentEventArgs.cs

@@ -20,7 +20,7 @@ namespace HiveMQtt.Client.Events;
 /// <summary>
 /// Event arguments for the <see cref="HiveMQClient.OnUnsubscribeSent"/> event.
 /// <para>This event is called when a UNSUBSCRIBE packet is sent to the broker.</para>
-/// <para><see cref="OnUnsubscribeSentEventArgs.UnsubscribePacket"/> contains the sent UNSUBSCRIBE packet.</para>
+/// <para><see cref="UnsubscribePacket"/> contains the sent UNSUBSCRIBE packet.</para>
 /// </summary>
 public class OnUnsubscribeSentEventArgs : EventArgs
 {

Source/HiveMQtt/Client/Options/DisconnectOptions.cs

@@ -38,7 +38,7 @@ public DisconnectOptions()
 
     /// <summary>
     /// Gets or sets the session expiry.  This sets the expiration for the session
-    /// to the indicated value.  The value respresents the session expiration time
+    /// to the indicated value.  The value represents the session expiration time
     /// in seconds.
     /// </summary>
     public int? SessionExpiry { get; set; }

Source/HiveMQtt/Client/internal/Validator.cs

@@ -27,10 +27,7 @@ public class Validator
     /// <param name="clientId">The client identifier to validate.</param>
     public static void ValidateClientId(string clientId)
     {
-        if (clientId is null)
-        {
-            throw new ArgumentNullException(nameof(clientId));
-        }
+        ArgumentNullException.ThrowIfNull(clientId);
 
         if (clientId.Length > 65535)
         {
@@ -62,10 +59,7 @@ public static void ValidateClientId(string clientId)
     /// <exception cref="HiveMQttClientException">Thrown when the topic name contains any null characters.</exception>
     public static void ValidateTopicName(string topic)
     {
-        if (topic is null)
-        {
-            throw new ArgumentNullException(nameof(topic));
-        }
+        ArgumentNullException.ThrowIfNull(topic);
 
         if (topic.Length > 65535)
         {
@@ -99,10 +93,7 @@ public static void ValidateTopicName(string topic)
     /// <exception cref="HiveMQttClientException">Thrown when the topic filter contains any null characters.</exception>
     public static void ValidateTopicFilter(string topic)
     {
-        if (topic is null)
-        {
-            throw new ArgumentNullException(nameof(topic));
-        }
+        ArgumentNullException.ThrowIfNull(topic);
 
         if (topic.Length > 65535)
         {

Source/HiveMQtt/MQTT5/PacketDecoder.cs

@@ -25,7 +25,7 @@ internal class PacketDecoder
 {
     private static readonly NLog.Logger Logger = NLog.LogManager.GetCurrentClassLogger();
 
-    public static Boolean TryDecode(ReadOnlySequence<byte> buffer, out ControlPacket decodedPacket, out SequencePosition consumed)
+    public static bool TryDecode(ReadOnlySequence<byte> buffer, out ControlPacket decodedPacket, out SequencePosition consumed)
     {
         try
         {

Source/HiveMQtt/MQTT5/Packets/ConnectPacket.cs

@@ -80,7 +80,10 @@ public byte[] Encode()
                 _ = EncodeUTF8String(vhAndPayloadStream, this.clientOptions.LastWillAndTestament.Topic);
 
                 // Will Payload
-                _ = EncodeBinaryData(vhAndPayloadStream, this.clientOptions.LastWillAndTestament.Payload);
+                if (this.clientOptions.LastWillAndTestament.Payload != null)
+                {
+                    _ = EncodeBinaryData(vhAndPayloadStream, this.clientOptions.LastWillAndTestament.Payload);
+                }
             }
 
             // Username

Source/HiveMQtt/MQTT5/Types/MQTT5LastWillProperties.cs

@@ -23,11 +23,11 @@ internal class MQTT5LastWillProperties
 {
     public MQTT5LastWillProperties() => this.UserProperties = new Dictionary<string, string>();
 
-    public UInt32? WillDelayInterval { get; set; }
+    public uint? WillDelayInterval { get; set; }
 
     public byte? PayloadFormatIndicator { get; set; }
 
-    public UInt32? MessageExpiryInterval { get; set; }
+    public uint? MessageExpiryInterval { get; set; }
 
     public string? ContentType { get; set; }