public MessagePreprocessResult HandleIncomingMessage(MessageContainer message, IMessageTransport transport)
{
log.Info("Preprocessing message: {0}", message.BodyStr);
var m = typeRe.Match(message.BodyStr);
if (!m.Success)
{
log.Warn("Did not match message type. Ignoring the message!");
return(MessagePreprocessResult.CancelFurtherProcessing);
}
string mtype = m.Groups[1].Captures[0].Value;
int idx = mtype.IndexOf(',');
if (idx > 0)
{
mtype = mtype.Substring(0, idx);
}
log.Info("Message type is {0}", mtype);
if (mtype.StartsWith("NGinnBPM.MessageBus.Messages"))
{
log.Info("It's a control message so we process it as usual");
return(MessagePreprocessResult.ContinueProcessing);
}
List <MessageContainer> messages = new List <MessageContainer>();
//now get destination endpoints from the subscribers database
//and prepare a message clone for each destination
List <string> destinations = new List <string>();
foreach (string typeName in new string[] { mtype, "System.Object" })
{
foreach (string destination in SubscriptionManager.GetTargetEndpoints(typeName))
{
if (!destinations.Contains(destination))
{
destinations.Add(destination);
}
}
}
foreach (string destination in destinations)
{
var msg = message.Clone() as MessageContainer;
msg.To = destination; //set destination. We don't update msg.From so the original endpoint is unchanged
messages.Add(msg);
}
if (messages.Count > 0)
{
//send messages to their destinations
transport.SendBatch(messages, MessageBusContext.ReceivingConnection);
log.Info("Sent message to {0} destinations", messages.Count);
}
return(MessagePreprocessResult.CancelFurtherProcessing);
}