public override IReadOnlyMailItem GetNextMailItem()
{
if (this.mailItemSentForProcessing)
{
return(null);
}
if (this.getMailItemBeingCalledForTheFirstTime)
{
SmtpMailItemNextHopConnection.InitializeSmtpLatencyTracking(this.mailItem.LatencyTracker);
this.getMailItemBeingCalledForTheFirstTime = false;
}
return(this.mailItem);
}
public override void AckConnection(MessageTrackingSource messageTrackingSource, string messageTrackingSourceContext, AckStatus status, SmtpResponse smtpResponse, AckDetails details, TimeSpan?retryInterval, bool resubmitWithoutHighAvailablityRouting, SessionSetupFailureReason failureReason)
{
switch (status)
{
case AckStatus.Pending:
case AckStatus.Skip:
throw new InvalidOperationException("Invalid status");
case AckStatus.Success:
case AckStatus.Retry:
case AckStatus.Fail:
case AckStatus.Resubmit:
if (this.result == null)
{
this.result = new SmtpMailItemResult();
}
this.result.ConnectionResponse = new AckStatusAndResponse(status, smtpResponse);
if (details != null)
{
this.result.RemoteHostName = details.RemoteHostName;
}
if (this.notificationHandler != null)
{
this.notificationHandler.AckConnection(status, smtpResponse);
}
SmtpMailItemNextHopConnection.EndSmtpLatencyTracking(this.mailItem.LatencyTracker);
if (this.autoResetEvent != null)
{
this.autoResetEvent.Set();
return;
}
break;
case AckStatus.Expand:
case AckStatus.Relay:
case AckStatus.SuccessNoDsn:
case AckStatus.Quarantine:
break;
default:
return;
}
}
public SmtpMailItemResult Send(IReadOnlyMailItem readOnlyMailItem, bool useLocalHubOnly, TimeSpan waitTimeOut, ISmtpMailItemSenderNotifications notificationHandler)
{
if (readOnlyMailItem == null)
{
throw new ArgumentNullException("readOnlyMailItem");
}
IEnumerable <INextHopServer> enumerable;
if (useLocalHubOnly)
{
string text = SmtpMailItemSender.LocalFQDN;
bool flag = SmtpMailItemSender.IsFrontendAndHubColocatedServer;
if (string.IsNullOrEmpty(text))
{
throw new InvalidOperationException("Email is unable to be sent because the name of the local machine can not be detemined.");
}
enumerable = new List <INextHopServer>();
((List <INextHopServer>)enumerable).Add(new NextHopFqdn(text, flag));
}
else
{
LatencyTracker.BeginTrackLatency(LatencyComponent.MailboxTransportSubmissionStoreDriverSubmissionHubSelector, readOnlyMailItem.LatencyTracker);
if (!Components.ProxyHubSelectorComponent.ProxyHubSelector.TrySelectHubServers(readOnlyMailItem, out enumerable))
{
throw new InvalidOperationException("Email is unable to be sent because Hub Selector didn't return any HUBs.");
}
LatencyTracker.EndTrackLatency(LatencyComponent.MailboxTransportSubmissionStoreDriverSubmissionHubSelector, readOnlyMailItem.LatencyTracker);
}
NextHopSolutionKey key = new NextHopSolutionKey(NextHopType.Empty, "MailboxTransportSubmissionInternalProxy", Guid.Empty);
SmtpMailItemResult smtpMailItemResult;
using (SmtpMailItemNextHopConnection smtpMailItemNextHopConnection = new SmtpMailItemNextHopConnection(key, readOnlyMailItem, notificationHandler))
{
LatencyTracker.BeginTrackLatency(LatencyComponent.MailboxTransportSubmissionStoreDriverSubmissionSmtpOut, readOnlyMailItem.LatencyTracker);
Components.SmtpOutConnectionHandler.HandleProxyConnection(smtpMailItemNextHopConnection, enumerable, true, null);
smtpMailItemNextHopConnection.AckConnectionEvent.WaitOne(waitTimeOut);
LatencyTracker.EndTrackLatency(LatencyComponent.MailboxTransportSubmissionStoreDriverSubmissionSmtpOut, readOnlyMailItem.LatencyTracker);
smtpMailItemResult = smtpMailItemNextHopConnection.SmtpMailItemResult;
}
return(smtpMailItemResult);
}