public bool CheckAndTrackThrottleConcurrentMessageSizeLimit(long smtpSessionId, int numOfRecipients)
{
ThrottleSession throttleSession = DeliveryThrottling.sessionMap.TryGetSession(smtpSessionId);
bool flag = false;
if (throttleSession != null && throttleSession.MessageSize >= 0L)
{
ulong num = Convert.ToUInt64(throttleSession.MessageSize);
lock (DeliveryThrottling.syncMessageSize)
{
if (DeliveryThrottling.totalConcurrentMessageSize < DeliveryThrottling.maxConcurrentMessageSizeLimit)
{
DeliveryThrottling.totalConcurrentMessageSize += num;
flag = true;
}
else
{
throttleSession.MessageSize = 0L;
}
}
}
if (!flag)
{
DeliveryThrottling.Diag.TraceDebug <long, ulong>(0L, "Delivery for smtp session \"{0}\" is skipped as it exceeds max concurrent message size limit of {1}", smtpSessionId, DeliveryThrottling.maxConcurrentMessageSizeLimit);
this.DeliveryThrottlingLogWorker.TrackConcurrentMessageSizeThrottle(true, DeliveryThrottling.maxConcurrentMessageSizeLimit, numOfRecipients);
}
else
{
this.DeliveryThrottlingLogWorker.TrackConcurrentMessageSizeThrottle(false, DeliveryThrottling.maxConcurrentMessageSizeLimit, numOfRecipients);
}
return(flag);
}
public void ResetSession(long smtpSessionId)
{
ThrottleSession throttleSession = DeliveryThrottling.sessionMap.TryGetSession(smtpSessionId);
if (throttleSession != null)
{
if (throttleSession.Recipients != null)
{
IList <RoutingAddress> list = throttleSession.Recipients.Keys.ToList <RoutingAddress>();
foreach (RoutingAddress routingAddress in list)
{
int num = throttleSession.Recipients[routingAddress];
for (int i = 0; i < num; i++)
{
this.DecrementRecipient(smtpSessionId, routingAddress);
}
}
}
lock (DeliveryThrottling.syncMessageSize)
{
DeliveryThrottling.DecrementSessionMessageSize(throttleSession);
}
if (throttleSession.Mdb != null)
{
DeliveryThrottling.deliveryDatabaseThreadMap.Decrement(throttleSession.Mdb.ToString());
throttleSession.Mdb = null;
}
}
}
public void ClearSession(long smtpSessionId)
{
ThrottleSession throttleSession = DeliveryThrottling.sessionMap.TryGetSession(smtpSessionId);
if (throttleSession != null)
{
this.ResetSession(smtpSessionId);
DeliveryThrottling.sessionMap.RemoveSession(smtpSessionId);
DeliveryThrottling.deliveryServerThreadMap.Decrement("localhost");
}
}
public void DecrementCurrentMessageSize(long smtpSessionId)
{
ThrottleSession throttleSession = DeliveryThrottling.sessionMap.TryGetSession(smtpSessionId);
if (throttleSession != null)
{
lock (DeliveryThrottling.syncMessageSize)
{
DeliveryThrottling.DecrementSessionMessageSize(throttleSession);
}
}
}
private static void DecrementSessionMessageSize(ThrottleSession session)
{
ulong num = Convert.ToUInt64(session.MessageSize);
if (DeliveryThrottling.totalConcurrentMessageSize >= num)
{
DeliveryThrottling.totalConcurrentMessageSize -= num;
}
else
{
DeliveryThrottling.totalConcurrentMessageSize = 0UL;
}
session.MessageSize = 0L;
}
public void SetSessionMessageSize(long messageSize, long smtpSessionId)
{
ThrottleSession throttleSession = DeliveryThrottling.sessionMap.TryGetSession(smtpSessionId);
if (throttleSession != null)
{
DeliveryThrottling.DecrementSessionMessageSize(throttleSession);
if (messageSize < 0L)
{
messageSize = 0L;
}
throttleSession.MessageSize = messageSize;
}
}
