private RabbitConfig.IBinding NotPartitionedBinding(
IExchange exchange,
Queue queue,
string rk,
RabbitCommonOptions extendedProperties)
{
var routingKey = rk;
if (routingKey == null)
{
routingKey = "#";
}
var arguments = new Dictionary <string, object>();
foreach (var entry in extendedProperties.QueueBindingArguments)
{
arguments.Add(entry.Key, entry.Value);
}
switch (exchange)
{
case TopicExchange topic:
{
var binding = BindingBuilder.Bind(queue).To(topic).With(routingKey);
DeclareBinding(queue.QueueName, binding);
return(binding);
}
case DirectExchange direct:
{
var binding = BindingBuilder.Bind(queue).To(direct).With(routingKey);
DeclareBinding(queue.QueueName, binding);
return(binding);
}
case FanoutExchange fanout:
{
var binding = BindingBuilder.Bind(queue).To(fanout);
DeclareBinding(queue.QueueName, binding);
return(binding);
}
case HeadersExchange:
{
var binding = new RabbitConfig.Binding(queue.QueueName + "." + exchange.ExchangeName + ".binding", queue.QueueName, DestinationType.QUEUE, exchange.ExchangeName, string.Empty, arguments);
DeclareBinding(queue.QueueName, binding);
return(binding);
}
default:
throw new ProvisioningException("Cannot bind to a " + exchange.Type + " exchange");
}
}
private void AutoBindDLQ(string baseQueueName, string routingKey, RabbitCommonOptions properties)
{
var autoBindDlq = properties.AutoBindDlq.Value;
_logger.LogDebug("autoBindDLQ=" + autoBindDlq + " for: " + baseQueueName);
if (autoBindDlq)
{
string dlqName;
if (properties.DeadLetterQueueName == null)
{
dlqName = ConstructDLQName(baseQueueName);
}
else
{
dlqName = properties.DeadLetterQueueName;
}
var dlq = new Queue(dlqName, true, false, false, GetQueueArgs(dlqName, properties, true));
DeclareQueue(dlqName, dlq);
var dlxName = GetDeadLetterExchangeName(properties);
if (properties.DeclareDlx.Value)
{
DeclareExchange(dlxName, new ExchangeBuilder(dlxName, properties.DeadLetterExchangeType).Durable(true).Build());
}
var arguments = new Dictionary <string, object>();
properties.DlqBindingArguments?.ToList().
ForEach(entry => arguments.Add(entry.Key, entry.Value));
var dlRoutingKey = properties.DeadLetterRoutingKey ?? routingKey;
var dlBindingName = dlq.QueueName + "." + dlxName + "." + dlRoutingKey + ".binding";
var dlqBinding = new RabbitConfig.Binding(dlBindingName, dlq.QueueName, DestinationType.QUEUE, dlxName, dlRoutingKey, arguments);
DeclareBinding(dlqName, dlqBinding);
if (properties is RabbitConsumerOptions options && options.RepublishToDlq.Value)
{
/*
* Also bind with the base queue name when republishToDlq is used, which does not know about partitioning
*/
var bindingName = dlq.QueueName + "." + dlxName + "." + baseQueueName + ".binding";
DeclareBinding(dlqName, new RabbitConfig.Binding(bindingName, dlq.QueueName, DestinationType.QUEUE, dlxName, baseQueueName, arguments));
}
}
}
