public async Task Send(UnicastTransportOperation operation, CancellationToken cancellationToken)
{
var dispatchDecision = await shouldSend(operation, cancellationToken).ConfigureAwait(false);
if (dispatchDecision == false)
{
return;
}
// The destination might be in a queue@destination format
var destination = operation.Destination;
var queue = QueueAddress.Parse(destination);
var connectionString = addressing.Map(queue);
var sendClient = createQueueClients.Create(connectionString);
var q = addressGenerator.GetQueueName(queue.QueueName);
var sendQueue = sendClient.GetQueueReference(q);
if (!await ExistsAsync(sendQueue).ConfigureAwait(false))
{
throw new QueueNotFoundException
{
Queue = queue.ToString()
};
}
var toBeReceived = operation.GetTimeToBeReceived();
var timeToBeReceived = toBeReceived.HasValue && toBeReceived.Value < TimeSpan.MaxValue ? toBeReceived : null;
if (timeToBeReceived != null && timeToBeReceived.Value == TimeSpan.Zero)
{
var messageType = operation.Message.Headers[Headers.EnclosedMessageTypes].Split(',').First();
logger.WarnFormat("TimeToBeReceived is set to zero for message of type '{0}'. Cannot send operation.", messageType);
return;
}
// user explicitly specified TimeToBeReceived that is not TimeSpan.MaxValue - fail
if (timeToBeReceived != null && timeToBeReceived.Value > CloudQueueMessageMaxTimeToLive && timeToBeReceived != TimeSpan.MaxValue)
{
var messageType = operation.Message.Headers[Headers.EnclosedMessageTypes].Split(',').First();
throw new InvalidOperationException($"TimeToBeReceived is set to more than 30 days for message type '{messageType}'.");
}
if (timeToBeReceived.HasValue)
{
var seconds = Convert.ToInt64(Math.Ceiling(timeToBeReceived.Value.TotalSeconds));
if (seconds <= 0)
{
throw new Exception($"Message cannot be sent with a provided delay of {timeToBeReceived.Value.TotalMilliseconds} ms.");
}
timeToBeReceived = TimeSpan.FromSeconds(seconds);
}
var wrapper = BuildMessageWrapper(operation, queue);
await Send(wrapper, sendQueue, timeToBeReceived ?? CloudQueueMessageMaxTimeToLive).ConfigureAwait(false);
}
/// <summary>
/// Transforms all the <see cref="QueueAddress" /> in <see cref="headersToApplyNameMapping" /> to use logical names.
/// </summary>
internal void ApplyMappingToAliases(Dictionary <string, string> headers)
{
foreach (var header in headersToApplyNameMapping)
{
if (headers.TryGetValue(header, out var headerValue))
{
var address = QueueAddress.Parse(headerValue);
// no mapping if address is default
if (address.IsAccountDefault)
{
continue;
}
// try map as connection string
if (TryMap(new ConnectionString(address.StorageAccount), out var alias))
{
headers[header] = new QueueAddress(address.QueueName, alias).ToString();
}
else
{
if (useLogicalQueueAddresses)
{
// it must be a logical name, try to find it, otherwise throw
if (aliasToAccountInfoMap.ContainsKey(address.StorageAccount) == false)
{
throw new Exception($"No account was mapped under following name '{address.StorageAccount}'. Please map it using .AccountRouting().AddAccount() method.");
}
}
}
}
}
}
/// <summary>
/// Transforms all the <see cref="QueueAddress" /> in <see cref="headersToApplyNameMapping" /> to connection string
/// values to maintain backward compatibility.
/// </summary>
internal void ApplyMappingOnOutgoingHeaders(Dictionary <string, string> headers, QueueAddress destinationQueue)
{
foreach (var header in headersToApplyNameMapping)
{
if (headers.TryGetValue(header, out var headerValue))
{
var address = QueueAddress.Parse(headerValue);
var isFullyQualifiedAddress = address.IsAccountDefault == false;
if (isFullyQualifiedAddress)
{
continue;
}
if (useLogicalQueueAddresses)
{
var sendingToAnotherAccount = destinationQueue.IsAccountDefault == false;
if (sendingToAnotherAccount && address.IsAccountDefault)
{
headers[header] = new QueueAddress(address.QueueName, defaultConnectionStringAlias).ToString();
}
}
else
{
var connectionString = Map(address);
headers[header] = new QueueAddress(address.QueueName, connectionString.Value).ToString();
}
}
}
}
public async Task Send(UnicastTransportOperation operation, CancellationToken cancellationToken = default)
{
if (logger.IsDebugEnabled)
{
logger.DebugFormat("Sending message (ID: '{0}') to {1}", operation.Message.MessageId, operation.Destination);
}
if (NativeDelayDeliveryPersistence.IsDelayedMessage(operation, out var dueDate))
{
await nativeDelayDeliveryPersistence.ScheduleAt(operation, dueDate, cancellationToken).ConfigureAwait(false);
return;
}
// The destination might be in a queue@destination format
var destination = operation.Destination;
var messageIntent = operation.GetMessageIntent();
var queueAddress = QueueAddress.Parse(destination, messageIntent == MessageIntentEnum.Reply);
var queueServiceClient = addressing.Map(queueAddress, messageIntent);
var queueName = addressGenerator.GetQueueName(queueAddress.QueueName);
var sendQueue = queueServiceClient.GetQueueClient(queueName);
if (!await ExistsAsync(sendQueue, cancellationToken).ConfigureAwait(false))
{
throw new QueueNotFoundException(queueAddress.ToString(), $"Destination queue '{queueAddress}' does not exist. This queue may have to be created manually.", null);
}
var toBeReceived = operation.Properties.DiscardIfNotReceivedBefore;
var timeToBeReceived = toBeReceived != null && toBeReceived.MaxTime < TimeSpan.MaxValue ? toBeReceived.MaxTime : (TimeSpan?)null;
if (timeToBeReceived.HasValue)
{
if (timeToBeReceived.Value == TimeSpan.Zero)
{
var messageType = operation.Message.Headers[Headers.EnclosedMessageTypes].Split(',').First();
logger.WarnFormat("TimeToBeReceived is set to zero for message of type '{0}'. Cannot send operation.", messageType);
return;
}
// user explicitly specified TimeToBeReceived that is not TimeSpan.MaxValue - fail
if (timeToBeReceived.Value > CloudQueueMessageMaxTimeToLive && timeToBeReceived.Value != TimeSpan.MaxValue)
{
var messageType = operation.Message.Headers[Headers.EnclosedMessageTypes].Split(',').First();
throw new InvalidOperationException($"TimeToBeReceived is set to more than 30 days for message type '{messageType}'.");
}
var seconds = Convert.ToInt64(Math.Ceiling(timeToBeReceived.Value.TotalSeconds));
if (seconds <= 0)
{
throw new Exception($"Message cannot be sent with a provided delay of {timeToBeReceived.Value.TotalMilliseconds} ms.");
}
timeToBeReceived = TimeSpan.FromSeconds(seconds);
}
var wrapper = BuildMessageWrapper(operation, queueAddress);
await Send(wrapper, sendQueue, timeToBeReceived ?? CloudQueueMessageMaxTimeToLive, cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Transforms reply-to header to connection string values to maintain backward compatibility.
/// </summary>
internal void ApplyMappingOnOutgoingHeaders(Dictionary <string, string> headers, QueueAddress destinationQueue)
{
if (headers.TryGetValue(Headers.ReplyToAddress, out var headerValue))
{
var address = QueueAddress.Parse(headerValue);
if (address.HasNoAlias == false)
{
return;
}
var destinationHasAlias = destinationQueue.HasNoAlias == false;
if (destinationHasAlias && address.HasNoAlias)
{
headers[Headers.ReplyToAddress] = new QueueAddress(address.QueueName, defaultConnectionStringAlias).ToString();
}
}
}