private static void LogRetryExceptionInConnectionLog(RetryException exception, MbxTransportMailItem mbxItem, string sourceContext, ulong sessionId, ulong bytesDelivered, ulong recipientCount)
{
StringBuilder stringBuilder = new StringBuilder(400);
stringBuilder.Append("Lost connection - scheduling retry. ");
if (exception.MessageStatus.Exception != null)
{
string exceptionTypeString = StorageExceptionHandler.GetExceptionTypeString(exception.MessageStatus.Exception);
string exceptionDiagnosticInfo = StorageExceptionHandler.GetExceptionDiagnosticInfo(exception.MessageStatus.Exception);
if (string.IsNullOrEmpty(exceptionDiagnosticInfo))
{
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, "SmtpResponse: {0}: {1}: {2}.", new object[]
{
exception.MessageStatus.Response,
exception.StoreDriverContext,
exceptionTypeString
});
}
else
{
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, "SmtpResponse: {0}: {1}: {2}: {3}", new object[]
{
exception.MessageStatus.Response,
exception.StoreDriverContext,
exceptionTypeString,
exceptionDiagnosticInfo
});
}
}
ConnectionLog.MapiDeliveryConnectionLost(sessionId, mbxItem.DatabaseName, stringBuilder.ToString(), 1UL, bytesDelivered, recipientCount);
}
private static void AckMailItemOnRetryException(AckStatus status, MbxTransportMailItem mailItem, RetryException exception, string sourceContext, ulong sessionId, ulong bytesDelivered, ulong recipientCount)
{
StoreDriverDeliveryDiagnostics.Diag.TraceDebug <RetryException, AckStatus>(0L, "StoreDriverDelivery encountered an exception {0}. Message Action: {1}.", exception, status);
if (exception.MessageStatus.Action == MessageAction.RetryQueue)
{
mailItem.MessageLevelAction = MessageAction.RetryQueue;
}
mailItem.AckMailItem(status, exception.MessageStatus.Response, new AckDetails(StoreDriverDelivery.localHostName), exception.MessageStatus.RetryInterval, sourceContext);
StoreDriverDelivery.LogRetryExceptionInConnectionLog(exception, mailItem, sourceContext, sessionId, bytesDelivered, recipientCount);
}
public SmtpResponse DoLocalDelivery(TransportMailItem item)
{
ulong num = 0UL;
ulong num2 = 0UL;
ulong num3 = 0UL;
MbxTransportMailItem mbxTransportMailItem = null;
string sourceContext = string.Empty;
if (StoreDriverDelivery.SilentlyDropProbeMessages(item))
{
return(SmtpResponse.ProbeMessageDropped);
}
try
{
item.CacheTransportSettings();
ExTraceGlobals.FaultInjectionTracer.TraceTest(2735091005U);
num3 = SessionId.GetNextSessionId();
mbxTransportMailItem = new MbxTransportMailItem(item);
mbxTransportMailItem.SessionStartTime = DateTime.UtcNow;
sourceContext = StoreDriverDelivery.GenerateSessionSourceContext(num3, mbxTransportMailItem.SessionStartTime);
StoreDriverDelivery.SetupLatencyTracker(mbxTransportMailItem);
StoreDriverDelivery.ResolveItemRecipients(item);
if (!this.ResolveMdbParameters(mbxTransportMailItem, num3))
{
return(mbxTransportMailItem.Response);
}
StoreDriverDelivery.ScopeADRecipientCache(item);
ConnectionLog.MapiDeliveryConnectionStart(num3, mbxTransportMailItem.DatabaseName, string.Format("Delivery;MailboxServer={0};Database={1}", StoreDriverDelivery.MailboxServerFqdn, mbxTransportMailItem.DatabaseName));
if (this.retired)
{
ConnectionLog.MapiDeliveryConnectionRetired(num3, mbxTransportMailItem.DatabaseName);
return(SmtpResponseGenerator.StoreDriverRetireResponse);
}
MSExchangeStoreDriver.MessageDeliveryAttempts.Increment();
MSExchangeStoreDriver.CurrentDeliveryThreads.Increment();
StoreDriverDeliveryDiagnostics.IncrementDeliveringThreads();
StoreDriverDeliveryDiagnostics.Diag.TracePfd <int, string>(0L, "PFD ESD {0} Start local delivery to {1}", 21403, mbxTransportMailItem.DatabaseName);
ConnectionLog.MapiDeliveryConnectionStartingDelivery(num3, mbxTransportMailItem.DatabaseName);
int num4 = this.DeliverMailItem(mbxTransportMailItem, num3);
if (0 < num4)
{
num += (ulong)mbxTransportMailItem.MimeSize;
num2 += (ulong)((long)num4);
}
ConnectionLog.MapiDeliveryConnectionStop(num3, mbxTransportMailItem.DatabaseName, 1UL, num, num2);
}
catch (ADTransientException exception)
{
if (mbxTransportMailItem == null)
{
mbxTransportMailItem = new MbxTransportMailItem(item);
}
RetryException exception2 = new RetryException(new MessageStatus(MessageAction.Retry, AckReason.RecipientMailboxLocationInfoNotAvailable, exception));
StoreDriverDelivery.AckMailItemOnRetryException(AckStatus.Retry, mbxTransportMailItem, exception2, sourceContext, num3, num, num2);
ExTraceGlobals.FaultInjectionTracer.TraceTest(48992U);
}
catch (RetryException exception3)
{
StoreDriverDelivery.AckMailItemOnRetryException(AckStatus.Retry, mbxTransportMailItem, exception3, sourceContext, num3, num, num2);
}
finally
{
StoreDriverDeliveryDiagnostics.DecrementDeliveringThreads();
MSExchangeStoreDriver.CurrentDeliveryThreads.Decrement();
StoreDriverDeliveryDiagnostics.Diag.TracePfd <int, string>(0L, "PFD ESD {0} Stop local delivery to {1}", 17563, mbxTransportMailItem.DatabaseName);
StoreDriverDeliveryDiagnostics.TroubleshootingContext.TraceOperationCompletedAndUpdateContext();
}
return(mbxTransportMailItem.Response);
}
