Set DispatchConsumersAsync to true

framework/src/Volo.Abp.RabbitMQ/Volo/Abp/RabbitMQ/ConnectionPool.cs

@@ -22,8 +22,7 @@ namespace Volo.Abp.RabbitMQ
 
         public virtual IConnection Get(string connectionName = null)
         {
-            connectionName = connectionName
+            connectionName ??= RabbitMqConnections.DefaultConnectionName;
-                             ?? RabbitMqConnections.DefaultConnectionName;
 
             return Connections.GetOrAdd(
                 connectionName,
@@ -58,4 +57,4 @@ namespace Volo.Abp.RabbitMQ
             Connections.Clear();
         }
     }
-}
+}

framework/src/Volo.Abp.RabbitMQ/Volo/Abp/RabbitMQ/RabbitMqConnections.cs

@@ -9,7 +9,7 @@ namespace Volo.Abp.RabbitMQ
     public class RabbitMqConnections : Dictionary<string, ConnectionFactory>
     {
         public const string DefaultConnectionName = "Default";
-        
+
         [NotNull]
         public ConnectionFactory Default
         {
@@ -19,7 +19,7 @@ namespace Volo.Abp.RabbitMQ
 
         public RabbitMqConnections()
         {
-            Default = new ConnectionFactory();
+            Default = new ConnectionFactory() { DispatchConsumersAsync = true };
         }
 
         public ConnectionFactory GetOrDefault(string connectionName)
@@ -32,4 +32,4 @@ namespace Volo.Abp.RabbitMQ
             return Default;
         }
     }
-}
+}

framework/src/Volo.Abp.RabbitMQ/Volo/Abp/RabbitMQ/RabbitMqMessageConsumer.cs

@@ -143,10 +143,10 @@ namespace Volo.Abp.RabbitMQ
 
             try
             {
-                var channel = ConnectionPool
+                Channel = ConnectionPool
                     .Get(ConnectionName)
                     .CreateModel();
-                channel.ExchangeDeclare(
+                Channel.ExchangeDeclare(
                     exchange: Exchange.ExchangeName,
                     type: Exchange.Type,
                     durable: Exchange.Durable,
@@ -154,7 +154,7 @@ namespace Volo.Abp.RabbitMQ
                     arguments: Exchange.Arguments
                 );
 
-                channel.QueueDeclare(
+                Channel.QueueDeclare(
                     queue: Queue.QueueName,
                     durable: Queue.Durable,
                     exclusive: Queue.Exclusive,
@@ -162,19 +162,14 @@ namespace Volo.Abp.RabbitMQ
                     arguments: Queue.Arguments
                 );
 
-                var consumer = new EventingBasicConsumer(channel);
+                var consumer = new AsyncEventingBasicConsumer(Channel);
-                consumer.Received += async (model, basicDeliverEventArgs) =>
+                consumer.Received += HandleIncomingMessageAsync;
-                {
-                    await HandleIncomingMessageAsync(channel, basicDeliverEventArgs);
-                };
 
-                channel.BasicConsume(
+                Channel.BasicConsume(
                     queue: Queue.QueueName,
                     autoAck: false,
                     consumer: consumer
                 );
-
-                Channel = channel;
             }
             catch (Exception ex)
             {
@@ -183,16 +178,16 @@ namespace Volo.Abp.RabbitMQ
             }
         }
 
-        protected virtual async Task HandleIncomingMessageAsync(IModel channel, BasicDeliverEventArgs basicDeliverEventArgs)
+        protected virtual async Task HandleIncomingMessageAsync(object sender, BasicDeliverEventArgs basicDeliverEventArgs)
         {
             try
             {
                 foreach (var callback in Callbacks)
                 {
-                    await callback(channel, basicDeliverEventArgs);
+                    await callback(Channel, basicDeliverEventArgs);
                 }
 
-                channel.BasicAck(basicDeliverEventArgs.DeliveryTag, multiple: false);
+                Channel.BasicAck(basicDeliverEventArgs.DeliveryTag, multiple: false);
             }
             catch (Exception ex)
             {