public Task SendMessage(string address, OutgoingMessage message, IBasicProperties properties)
{
Task task;
if (usePublisherConfirms)
{
task = GetConfirmationTask();
properties.SetConfirmationId(channel.NextPublishSeqNo);
}
else
{
task = TaskEx.CompletedTask;
}
if (properties.Headers.TryGetValue(DelayInfrastructure.DelayHeader, out var delayValue))
{
var routingKey = DelayInfrastructure.CalculateRoutingKey((int)delayValue, address, out var startingDelayLevel);
routingTopology.BindToDelayInfrastructure(channel, address, DelayInfrastructure.DeliveryExchange, DelayInfrastructure.BindingKey(address));
channel.BasicPublish(DelayInfrastructure.LevelName(startingDelayLevel), routingKey, true, properties, message.Body);
}
else
{
routingTopology.Send(channel, address, message, properties);
}
return(task);
}
public Task CreateQueueIfNecessary(QueueBindings queueBindings, string identity)
{
using (var connection = connectionFactory.CreateAdministrationConnection())
using (var channel = connection.CreateModel())
{
DelayInfrastructure.Build(channel);
routingTopology.Initialize(channel, queueBindings.ReceivingAddresses, queueBindings.SendingAddresses);
foreach (var receivingAddress in queueBindings.ReceivingAddresses)
{
routingTopology.BindToDelayInfrastructure(channel, receivingAddress, DelayInfrastructure.DeliveryExchange, DelayInfrastructure.BindingKey(receivingAddress));
}
}
return(TaskEx.CompletedTask);
}
public Task CreateQueueIfNecessary(QueueBindings queueBindings, string identity)
{
using (var connection = connectionFactory.CreateAdministrationConnection())
using (var channel = connection.CreateModel())
{
DelayInfrastructure.Build(channel);
var queueDeclaringTopology = routingTopology as IDeclareQueues;
if (queueDeclaringTopology != null)
{
queueDeclaringTopology.DeclareAndInitialize(channel, queueBindings.ReceivingAddresses, queueBindings.SendingAddresses);
}
else
{
foreach (var receivingAddress in queueBindings.ReceivingAddresses)
{
CreateQueueIfNecessary(channel, receivingAddress);
}
foreach (var sendingAddress in queueBindings.SendingAddresses)
{
CreateQueueIfNecessary(channel, sendingAddress);
}
}
var delayTopology = routingTopology as ISupportDelayedDelivery;
if (delayTopology != null)
{
foreach (var receivingAddress in queueBindings.ReceivingAddresses)
{
delayTopology.BindToDelayInfrastructure(channel, receivingAddress, DelayInfrastructure.DeliveryExchange, DelayInfrastructure.BindingKey(receivingAddress));
}
}
}
return(TaskEx.CompletedTask);
}
internal void SetupInfrastructure(string[] sendingQueues)
{
using (var connection = connectionFactory.CreateAdministrationConnection())
using (var channel = connection.CreateModel())
{
DelayInfrastructure.Build(channel);
var receivingQueues = Receivers.Select(r => r.Value.ReceiveAddress).ToArray();
routingTopology.Initialize(channel, receivingQueues, sendingQueues);
foreach (string receivingAddress in receivingQueues)
{
routingTopology.BindToDelayInfrastructure(channel, receivingAddress, DelayInfrastructure.DeliveryExchange, DelayInfrastructure.BindingKey(receivingAddress));
}
}
}