|
static private DeserializeMessageHeaders ( Message m ) : string>.Dictionary |
||
| m | Message | |
| return | string>.Dictionary | |
async Task TrySendDelayedMessageToErrorQueue(DelayedMessage timeout, Exception exception, CancellationToken cancellationToken)
{
try
{
bool success = await delayedMessageStore.Remove(timeout, cancellationToken).ConfigureAwait(false);
if (!success)
{
// Already dispatched
return;
}
Dictionary <string, string> headersAndProperties = MsmqUtilities.DeserializeMessageHeaders(timeout.Headers);
ExceptionHeaderHelper.SetExceptionHeaders(headersAndProperties, exception);
headersAndProperties[FaultsHeaderKeys.FailedQ] = timeoutsQueueTransportAddress;
foreach (KeyValuePair <string, string> pair in faultMetadata)
{
headersAndProperties[pair.Key] = pair.Value;
}
Log.InfoFormat("Move {0} to error queue", timeout.MessageId);
using (var transportTx = new TransactionScope(txOption, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
{
var transportTransaction = new TransportTransaction();
transportTransaction.Set(Transaction.Current);
var outgoingMessage = new OutgoingMessage(timeout.MessageId, headersAndProperties, timeout.Body);
var transportOperation = new TransportOperation(outgoingMessage, new UnicastAddressTag(errorQueue));
await dispatcher.Dispatch(new TransportOperations(transportOperation), transportTransaction, CancellationToken.None)
.ConfigureAwait(false);
transportTx.Complete();
}
}
catch (OperationCanceledException) when(cancellationToken.IsCancellationRequested)
{
//Shutting down
Log.Debug("Aborted sending delayed message to error queue due to shutdown.");
}
catch (Exception ex)
{
Log.Error($"Failed to move delayed message {timeout.MessageId} to the error queue {errorQueue} after {timeout.NumberOfRetries} failed attempts at dispatching it to the destination", ex);
}
}
public void SaveMessageHeadersSavesNewHeaders()
{
var message = new Message();
var newHeaders = new Dictionary <string, string>
{
{ "key1", "value1" },
{ "key2", "value2" }
};
MsmqUtilities.SaveMessageHeaders(newHeaders, message);
Assert.True(message.Extension.Length == 325);
var deserializedHeaders = MsmqUtilities.DeserializeMessageHeaders(message);
Assert.True(deserializedHeaders.Count == 2);
deserializedHeaders.TryGetValue("key1", out var value);
Assert.Equal("value1", value);
deserializedHeaders.TryGetValue("key2", out value);
Assert.Equal("value2", value);
}