private void DeclareBinding(string rootName, RabbitConfig.IBinding bindingArg)
{
var binding = bindingArg;
foreach (var customizer in Customizers)
{
binding = (RabbitConfig.IBinding)customizer.Apply(binding);
}
try
{
Admin.DeclareBinding(binding);
}
catch (RabbitConnectException e)
{
_logger.LogDebug("Declaration of binding: " + rootName + ".binding deferred - connection not available; " + e.Message);
}
catch (Exception e)
{
if (_notOurAdminException)
{
_notOurAdminException = false;
throw;
}
_logger.LogDebug("Declaration of binding: " + rootName + ".binding deferred", e);
}
AddToAutoDeclareContext(rootName + ".binding", binding);
}
public RabbitConsumerDestination(string queueName, RabbitConfig.IBinding binding)
{
if (queueName == null)
{
throw new ArgumentNullException(nameof(queueName));
}
Name = queueName;
Binding = binding;
}
public RabbitProducerDestination(IExchange exchange, RabbitConfig.IBinding binding)
{
if (exchange == null)
{
throw new ArgumentNullException(nameof(exchange));
}
Exchange = exchange;
Binding = binding;
}
public IProducerDestination ProvisionProducerDestination(string name, IProducerOptions options)
{
var producerProperties = Options.GetRabbitProducerOptions(options.BindingName);
var exchangeName = ApplyPrefix(producerProperties.Prefix, name);
var exchange = BuildExchange(producerProperties, exchangeName);
if (producerProperties.DeclareExchange.Value)
{
DeclareExchange(exchangeName, exchange);
}
RabbitConfig.IBinding binding = null;
foreach (var requiredGroupName in options.RequiredGroups)
{
var baseQueueName = producerProperties.QueueNameGroupOnly.Value ? requiredGroupName : exchangeName + "." + requiredGroupName;
if (!options.IsPartitioned)
{
AutoBindDLQ(baseQueueName, baseQueueName, producerProperties);
if (producerProperties.BindQueue.Value)
{
var queue = new Queue(baseQueueName, true, false, false, GetQueueArgs(baseQueueName, producerProperties, false));
DeclareQueue(baseQueueName, queue);
var routingKeys = BindingRoutingKeys(producerProperties);
if (routingKeys == null || routingKeys.Count == 0)
{
binding = NotPartitionedBinding(exchange, queue, null, producerProperties);
}
else
{
foreach (var routingKey in routingKeys)
{
binding = NotPartitionedBinding(exchange, queue, routingKey, producerProperties);
}
}
}
}
else
{
// if the stream is partitioned, create one queue for each target partition for the default group
for (var i = 0; i < options.PartitionCount; i++)
{
var partitionSuffix = "-" + i;
var partitionQueueName = baseQueueName + partitionSuffix;
AutoBindDLQ(baseQueueName, baseQueueName + partitionSuffix, producerProperties);
if (producerProperties.BindQueue.Value)
{
var queue = new Queue(partitionQueueName, true, false, false, GetQueueArgs(partitionQueueName, producerProperties, false));
DeclareQueue(queue.QueueName, queue);
var prefix = producerProperties.Prefix;
var destination = string.IsNullOrEmpty(prefix) ? exchangeName : exchangeName.Substring(prefix.Length);
var routingKeys = BindingRoutingKeys(producerProperties);
if (routingKeys == null || routingKeys.Count == 0)
{
binding = PartitionedBinding(destination, exchange, queue, null, producerProperties, i);
}
else
{
foreach (var routingKey in routingKeys)
{
binding = PartitionedBinding(destination, exchange, queue, routingKey, producerProperties, i);
}
}
}
}
}
}
return(new RabbitProducerDestination(exchange, binding));
}
private IConsumerDestination DoProvisionConsumerDestination(string name, string group, IConsumerOptions options)
{
var consumerProperties = Options.GetRabbitConsumerOptions(options.BindingName);
var anonymous = string.IsNullOrEmpty(group);
Base64UrlNamingStrategy anonQueueNameGenerator = null;
if (anonymous)
{
anonQueueNameGenerator = new Base64UrlNamingStrategy(consumerProperties.AnonymousGroupPrefix ?? string.Empty);
}
string baseQueueName;
if (consumerProperties.QueueNameGroupOnly.GetValueOrDefault())
{
baseQueueName = anonymous ? anonQueueNameGenerator.GenerateName() : group;
}
else
{
baseQueueName = GetGroupedName(name, anonymous ? anonQueueNameGenerator.GenerateName() : group);
}
// logger.info("declaring queue for inbound: " + baseQueueName + ", bound to: " + name);
var prefix = consumerProperties.Prefix;
var exchangeName = ApplyPrefix(prefix, name);
var exchange = BuildExchange(consumerProperties, exchangeName);
if (consumerProperties.DeclareExchange.GetValueOrDefault())
{
DeclareExchange(exchangeName, exchange);
}
var queueName = ApplyPrefix(prefix, baseQueueName);
var partitioned = !anonymous && options.IsPartitioned;
var durable = !anonymous && consumerProperties.DurableSubscription.Value;
Queue queue;
if (anonymous)
{
var anonQueueName = queueName;
queue = new AnonymousQueue(new GivenNamingStrategy(() => anonQueueName), GetQueueArgs(queueName, consumerProperties, false));
}
else
{
if (partitioned)
{
var partitionSuffix = "-" + options.InstanceIndex;
queueName += partitionSuffix;
}
if (durable)
{
queue = new Queue(queueName, true, false, false, GetQueueArgs(queueName, consumerProperties, false));
}
else
{
queue = new Queue(queueName, false, false, true, GetQueueArgs(queueName, consumerProperties, false));
}
}
RabbitConfig.IBinding binding = null;
if (consumerProperties.BindQueue.GetValueOrDefault())
{
DeclareQueue(queueName, queue);
var routingKeys = BindingRoutingKeys(consumerProperties);
if (routingKeys == null || routingKeys.Count == 0)
{
binding = DeclareConsumerBindings(name, null, options, exchange, partitioned, queue);
}
else
{
foreach (var routingKey in routingKeys)
{
binding = DeclareConsumerBindings(name, routingKey, options, exchange, partitioned, queue);
}
}
}
if (durable)
{
AutoBindDLQ(ApplyPrefix(consumerProperties.Prefix, baseQueueName), queueName, consumerProperties);
}
return(new RabbitConsumerDestination(queue.QueueName, binding));
}