public bool CheckAndTrackDynamicThrottleMDBTimeout(Guid databaseGuid, IMailboxDatabaseConnectionInfo mdbConnectionInfo, IMailboxDatabaseConnectionManager mdbConnectionManager, long smtpSessionId, IPAddress sessionRemoteEndPointAddress, TimeSpan connectionWaitTime, List <KeyValuePair <string, double> > mdbHealthMonitorValues)
{
ArgumentValidator.ThrowIfNull("databaseGuid", databaseGuid);
ArgumentValidator.ThrowIfNull("mdbConnectionManager", mdbConnectionManager);
ArgumentValidator.ThrowIfNull("sessionRemoteEndPointAddress", sessionRemoteEndPointAddress);
if (!mdbConnectionManager.TryAcquire(smtpSessionId, sessionRemoteEndPointAddress, connectionWaitTime, out mdbConnectionInfo))
{
DeliveryThrottling.Diag.TraceDebug <Guid, long, IPAddress>(0, (long)this.GetHashCode(), "Dynamic Throttling: Connection was unable to be acquired. Dynamic Throttling Limit Exceeded. MDB {0} SessionId {1} IP {2}", databaseGuid, smtpSessionId, sessionRemoteEndPointAddress);
this.DeliveryThrottlingLogWorker.TrackMDBThrottle(true, databaseGuid.ToString(), (double)DeliveryConfiguration.Instance.Throttling.MaxMailboxDeliveryPerMdbConnections, mdbHealthMonitorValues, ThrottlingResource.Threads_PendingConnectionTimedOut);
return(false);
}
DeliveryThrottling.Diag.TraceDebug <Guid, long, IPAddress>(0, (long)this.GetHashCode(), "Dynamic Throttling: Connection was acquired. MDB {0} SessionId {1} IP {2}", databaseGuid, smtpSessionId, sessionRemoteEndPointAddress);
this.DeliveryThrottlingLogWorker.TrackMDBThrottle(false, databaseGuid.ToString(), (double)DeliveryConfiguration.Instance.Throttling.MaxMailboxDeliveryPerMdbConnections, mdbHealthMonitorValues, ThrottlingResource.Threads_PendingConnectionTimedOut);
return(true);
}
public bool Release(ref IMailboxDatabaseConnectionInfo mdbConnectionInfo)
{
if (mdbConnectionInfo == null)
{
throw new ArgumentNullException("mdbConnectionInfo");
}
if (this.connections.Count == 0)
{
return(false);
}
long smtpSessionId = mdbConnectionInfo.SmtpSessionId;
mdbConnectionInfo = null;
this.UpdateLastActivityTime(smtpSessionId);
lock (this.syncObject)
{
this.DeactivateConnection(smtpSessionId);
this.ActivateNextConnection();
}
return(true);
}
public bool TryAcquire(long smtpSessionId, IPAddress remoteIPAddress, TimeSpan timeout, out IMailboxDatabaseConnectionInfo mdbConnectionInfo)
{
bool result;
try
{
mdbConnectionInfo = this.Acquire(smtpSessionId, remoteIPAddress, timeout);
result = true;
}
catch (InvalidOperationException)
{
mdbConnectionInfo = null;
result = false;
}
return(result);
}
