public QueueDeclareOk QueueDeclare(string queue, bool durable, bool exclusive, bool autoDelete, IDictionary <string, object> arguments)
{
if (string.IsNullOrWhiteSpace(queue))
{
var bytes = new byte[16];
Random.NextBytes(bytes);
var firstPart = Convert.ToBase64String(bytes).Substring(0, 11);
Random.NextBytes(bytes);
var secondPart = Convert.ToBase64String(bytes).Substring(0, 10);
queue = $"amq.gen-{firstPart}-{secondPart}";
}
var queueInstance = new Queue
{
Name = queue,
IsDurable = durable,
IsExclusive = exclusive,
IsAutoDelete = autoDelete,
Arguments = arguments as IDictionary
};
Func <string, Queue, Queue> updateFunction = (name, existing) => existing;
_server.Queues.AddOrUpdate(queue, queueInstance, updateFunction);
return(new QueueDeclareOk(queue, 0, 0));
}
public QueueDeclareOk QueueDeclare(string queue, bool durable, bool exclusive, bool autoDelete, IDictionary <string, object> arguments)
{
var queueInstance = new Queue
{
Name = queue,
IsDurable = durable,
IsExclusive = exclusive,
IsAutoDelete = autoDelete,
Arguments = arguments as IDictionary
};
Func <string, Queue, Queue> updateFunction = (name, existing) => existing;
_server.Queues.AddOrUpdate(queue, queueInstance, updateFunction);
return(new QueueDeclareOk(queue, 0, 0));
}
public QueueDeclareOk QueueDeclare(string queue, bool durable, bool exclusive, bool autoDelete, IDictionary <string, object> arguments)
{
var queueInstance = new Queue
{
Name = queue,
IsDurable = durable,
IsExclusive = exclusive,
IsAutoDelete = autoDelete,
Arguments = arguments
};
if (exclusive && _server.Queues.ContainsKey(queue) && !_localQueues.ContainsKey(queue))
{
throw new OperationInterruptedException(new ShutdownEventArgs(ShutdownInitiator.Peer, 405, $"RESOURCE_LOCKED - cannot obtain exclusive access to locked queue '{queue}' in vhost '/'. It could be originally declared on another connection or the exclusive property value does not match that of the original declaration."));
}
Func <string, Queue, Queue> updateFunction = (name, existing) => existing;
_server.Queues.AddOrUpdate(queue, queueInstance, updateFunction);
_localQueues.AddOrUpdate(queue, queueInstance, updateFunction);
return(new QueueDeclareOk(queue, 0, 0));
}
private void NotifyConsumerOfExistingMessages(string consumerTag, IBasicConsumer consumer, Queue queueInstance)
{
foreach (var message in queueInstance.Messages)
{
NotifyConsumerOfMessage(consumerTag, consumer, message);
}
}
private void NotifyConsumerWhenMessagesAreReceived(string consumerTag, IBasicConsumer consumer, Queue queueInstance)
{
queueInstance.MessagePublished += (sender, message) => { NotifyConsumerOfMessage(consumerTag, consumer, message); };
}
private void NotifyConsumerOfExistingMessages(string consumerTag, IBasicConsumer consumer, Queue queueInstance)
{
foreach (var message in queueInstance.Messages)
{
NotifyConsumerOfMessage(consumerTag, consumer, message);
}
}
private void NotifyConsumerWhenMessagesAreReceived(string consumerTag, IBasicConsumer consumer, Queue queueInstance)
{
queueInstance.MessagePublished += (sender, message) => { NotifyConsumerOfMessage(consumerTag, consumer, message); };
}
private void NotifyConsumerOfExistingMessages(string consumerTag, IBasicConsumer consumer, Queue queueInstance)
{
while (queueInstance.Messages.Any())
{
if (queueInstance.Messages.TryDequeue(out var message))
{
NotifyConsumerOfMessage(consumerTag, consumer, message);
}
}
}
