private void InsertToGraveyard(MongoDeadLetterGraveyardDocument graveyardDoc)
{
try
{
_deadLetterGraveyard.InsertOne(graveyardDoc);
}
catch (Exception e)
{
throw new ApplicationException("Exception inserting document into graveyard", e);
}
}
public void SendToGraveyard(BasicDeliverEventArgs deliverArgs, IMessageHeader header, string reason, Exception cause = null)
{
_logger.Debug("Sending message " + header.MessageGuid + " to the graveyard (" + reason + ")");
var graveyardDoc = new MongoDeadLetterGraveyardDocument(deliverArgs, header.MessageGuid, reason, cause);
lock (_oDbLock)
{
InsertToGraveyard(graveyardDoc);
}
}
public void TestMessageRejectLoop()
{
Assert.True(_deadLetterCollection.CountDocuments(FilterDefinition <MongoDeadLetterDocument> .Empty) == 0);
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 0);
// Setup a test message and send it, then wait for it to be rejected
var testMessage = new AccessionDirectoryMessage
{
NationalPACSAccessionNumber = "1234",
DirectoryPath = TestContext.CurrentContext.TestDirectory
};
// Set so the host just pushes the message through each time
_cliOptions.FlushMessages = true;
// Send the message
IMessageHeader originalHeader = _testHelper.TestProducer.SendMessage(testMessage, null, DeadLetterTestHelper.TestRoutingKey);
for (var i = 0; i < _testHelper.GlobalOptions.DeadLetterReprocessorOptions.MaxRetryLimit + 1; i++)
{
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 0);
int count = i + 1;
new TestTimelineAwaiter().Await(() => _testHelper.MessageRejectorConsumer.NackCount == count);
// Check 1 message on the DLQ
Assert.AreEqual(1, _testHelper.TestModel.MessageCount(DeadLetterTestHelper.TestDlQueueName));
// Start the host and check message has been read from DLQ into store
var host = new DeadLetterReprocessorHost(_testHelper.GlobalOptions, _cliOptions);
host.Start();
Assert.True(_deadLetterCollection.CountDocuments(FilterDefinition <MongoDeadLetterDocument> .Empty) == 0);
}
// Message should now be in the graveyard
Assert.True(_deadLetterGraveyard.CountDocuments(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty) == 1);
MongoDeadLetterGraveyardDocument graveyardDoc = _deadLetterGraveyard.Find(FilterDefinition <MongoDeadLetterGraveyardDocument> .Empty).Single();
Assert.AreEqual(graveyardDoc.MessageGuid, graveyardDoc.DeadLetter.MessageGuid);
Assert.AreEqual(originalHeader.MessageGuid, graveyardDoc.DeadLetter.Props.MessageHeader.Parents[0]);
Assert.AreEqual("MaxRetryCount exceeded", graveyardDoc.Reason);
Assert.True((DateTime.UtcNow - graveyardDoc.KilledAt) < TimeSpan.FromSeconds(5));
}