Task PublishMessage(MulticastTransportOperation transportOperation)
{
var messageWrapper = BuildMessageWrapper(transportOperation, TimeSpan.MaxValue,
transportOperation.MessageType.ToString());
var topicsToSendTo = SubscriptionManager.GetTypeHierarchy(transportOperation.MessageType);
var messageStream = new MemoryStream();
KafkaTransportInfrastructure.GetSerializer().Serialize(messageWrapper, messageStream);
var publishTasks = new List <Task>(topicsToSendTo.Count);
foreach (var t in topicsToSendTo)
{
Logger.Debug("Publish to " + t);
var topic = producerFactory.GetProducer().Topic(t);
publishTasks.Add(topic.Produce(messageStream.ToArray())
.ContinueWith(
result => Logger.Info("new partition and offset: " + result.Result.Partition + " " +
result.Result.Offset), TaskContinuationOptions.ExecuteSynchronously));
}
return(Task.WhenAll(publishTasks));
}
Task SendMessage(UnicastTransportOperation transportOperation)
{
Logger.Debug("Send to " + transportOperation.Destination);
var toBeReceived = transportOperation.GetTimeToBeReceived();
var timeToBeReceived = toBeReceived.HasValue && toBeReceived.Value < TimeSpan.MaxValue
? toBeReceived
: null;
if (timeToBeReceived != null && timeToBeReceived.Value == TimeSpan.Zero)
{
var messageType = transportOperation.Message.Headers[Headers.EnclosedMessageTypes].Split(',').First();
Logger.WarnFormat("TimeToBeReceived is set to zero for message of type '{0}'. Cannot send operation.",
messageType);
return(Task.FromResult(0));
}
// TimeToBeReceived was not specified on message - go for maximum set by SDK
if (timeToBeReceived == TimeSpan.MaxValue)
{
timeToBeReceived = null;
}
var messageWrapper = BuildMessageWrapper(transportOperation, toBeReceived, transportOperation.Destination);
var topic = producerFactory.GetProducer().Topic(transportOperation.Destination);
var messageStream = new MemoryStream();
KafkaTransportInfrastructure.GetSerializer().Serialize(messageWrapper, messageStream);
return(topic.Produce(messageStream.ToArray()));
}
internal static MessageWrapper UnWrap(this Message kafkaMessage)
{
MessageWrapper m;
using (var stream = new MemoryStream(kafkaMessage.Payload))
{
m = KafkaTransportInfrastructure.GetSerializer().Deserialize(stream);
}
if (m == null)
{
throw new ArgumentNullException(nameof(kafkaMessage));
}
if (m.ReplyToAddress != null)
{
m.Headers[Headers.ReplyToAddress] = m.ReplyToAddress;
}
m.Headers[Headers.CorrelationId] = m.CorrelationId;
if (m.TimeToBeReceived != TimeSpan.MaxValue)
{
m.Headers[Headers.TimeToBeReceived] = m.TimeToBeReceived.ToString();
}
m.Headers[Headers.MessageIntent] = m.MessageIntent.ToString(); // message intent extension method
return(m);
}
async Task PublishMessage(MulticastTransportOperation transportOperation)
{
var messageWrapper = BuildMessageWrapper(transportOperation, TimeSpan.MaxValue, transportOperation.MessageType.ToString());
var topicsToSendTo = SubscriptionManager.GetTypeHierarchy(transportOperation.MessageType);
var messageStream = new MemoryStream();
KafkaTransportInfrastructure.GetSerializer().Serialize(messageWrapper, messageStream);
foreach (var t in topicsToSendTo)
{
Logger.Debug("Publish to " + t);
var topic = producerFactory.GetProducer().Topic(t);
await topic.Produce(messageStream.ToArray()).ContinueWith(result => Logger.Info("new partition and offset: " + result.Result.Partition + " " + result.Result.Offset));
}
}
