private async Task SendOutgoingMessages(ConcurrentQueue <AmazonOutgoingMessage> outgoingMessages, ITransactionContext context)
{
if (!outgoingMessages.Any())
{
return;
}
var client = _amazonInternalSettings.CreateSqsClient(context);
var messagesByDestination = outgoingMessages.GroupBy(m => m.DestinationAddress).ToList();
await Task.WhenAll(messagesByDestination.Select(async batch =>
{
var entries = batch.Select(message =>
{
var transportMessage = message.TransportMessage;
var headers = transportMessage.Headers;
var messageId = headers[Headers.MessageId];
var sqsMessage = new AmazonTransportMessage(transportMessage.Headers, StringHelper.GetBody(transportMessage.Body));
var entry = new SendMessageBatchRequestEntry(messageId, _amazonInternalSettings.MessageSerializer.Serialize(sqsMessage));
var delaySeconds = GetDelaySeconds(headers);
if (delaySeconds != null)
{
entry.DelaySeconds = delaySeconds.Value;
}
return(entry);
}).ToList();
var destinationUrl = _amazonSqsQueueContext.GetDestinationQueueUrlByName(batch.Key, context);
foreach (var batchToSend in entries.Batch(10))
{
var request = new SendMessageBatchRequest(destinationUrl, batchToSend);
var response = await client.SendMessageBatchAsync(request);
if (response.Failed.Count == 0)
{
continue;
}
var failed = response.Failed.Select(f => new AmazonSQSException($"Failed {f.Message} with Id={f.Id}, Code={f.Code}, SenderFault={f.SenderFault}"));
throw new AggregateException(failed);
}
}));
}
public async Task SendAsync(TransportMessage message, ITransactionContext context)
{
var snsClient = _amazonInternalSettings.CreateSnsClient(context);
var sqsMessage = new AmazonTransportMessage(message.Headers, StringHelper.GetBody(message.Body));
var msg = _amazonInternalSettings.MessageSerializer.Serialize(sqsMessage);
var pubRequest = new PublishRequest(_destinationAddress, msg);
var messageAttributeValues = context.GetOrNull <IDictionary <string, MessageAttributeValue> >(SnsAttributeMapperOutBoundStep.SnsAttributeKey) ?? new Dictionary <string, MessageAttributeValue>();
foreach (var messageAttributeValue in messageAttributeValues)
{
pubRequest.MessageAttributes.Add(messageAttributeValue.Key, messageAttributeValue.Value);
}
var publishResponse = await snsClient.PublishAsync(pubRequest);
if (publishResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new SnsRebusException($"Error publishing message to topic {_destinationAddress}.", publishResponse.CreateAmazonExceptionFromResponse());
}
}
