Add exception messages

Author: bording

projects/RabbitMQ.Client/Exceptions/PublishException.cs

@@ -42,7 +42,7 @@ public class PublishException : RabbitMQClientException
         private bool _isReturn = false;
         private ulong _publishSequenceNumber = ulong.MinValue;
 
-        public PublishException(ulong publishSequenceNumber, bool isReturn) : base()
+        public PublishException(ulong publishSequenceNumber, bool isReturn, string message) : base(message)
         {
             if (publishSequenceNumber == ulong.MinValue)
             {
@@ -76,10 +76,10 @@ public class PublishReturnException : PublishException
         private readonly ushort _replyCode;
         private readonly string _replyText;
 
-        public PublishReturnException(ulong publishSequenceNumber,
+        public PublishReturnException(ulong publishSequenceNumber, string message,
             string? exchange = null, string? routingKey = null,
             ushort? replyCode = null, string? replyText = null)
-            : base(publishSequenceNumber, true)
+            : base(publishSequenceNumber, true, message)
         {
             _exchange = exchange ?? string.Empty;
             _routingKey = routingKey ?? string.Empty;
@@ -116,11 +116,13 @@ internal static PublishException Create(bool isReturn,
         {
             if (isReturn)
             {
-                return new PublishReturnException(deliveryTag, exchange, routingKey, replyCode, replyText);
+                string message = $"{replyCode} {replyText} Exchange: {exchange} Routing Key: {routingKey}";
+                return new PublishReturnException(deliveryTag, message, exchange, routingKey, replyCode, replyText);
             }
             else
             {
-                return new PublishException(deliveryTag, isReturn);
+                string message = "Message rejected by broker.";
+                return new PublishException(deliveryTag, isReturn, message);
             }
         }
     }