public void DeleteMessage(MsmqReceiveContext receiveContext, TimeSpan timeout)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
long lookupId = receiveContext.LookupId;
lock (this.internalStateLock)
{
if (!this.messageExpiryMap.ContainsKey(lookupId))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MessageValidityExpired", new object[] { lookupId })));
}
MsmqReceiveContext item = this.messageExpiryMap[lookupId];
if (DateTime.UtcNow > item.ExpiryTime)
{
item.MarkContextExpired();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(System.ServiceModel.SR.GetString("MessageValidityExpired", new object[] { lookupId })));
}
((ILockingQueue)this.queue).DeleteMessage(lookupId, helper.RemainingTime());
if (Transaction.Current != null)
{
List <MsmqReceiveContext> list;
if (!this.transMessages.TryGetValue(Transaction.Current.TransactionInformation.DistributedIdentifier, out list))
{
list = new List <MsmqReceiveContext>();
this.transMessages.Add(Transaction.Current.TransactionInformation.DistributedIdentifier, list);
Transaction.Current.TransactionCompleted += this.transactionCompletedHandler;
}
list.Add(item);
}
else
{
this.messageExpiryMap.Remove(lookupId);
}
}
}
// tx aborts can ---- with DeleteMessage but this ---- is harmless because
// - internal state changes are protected via the internalStateLock
// - we do not have an ordering requirement between DeleteMessage and a tx abort
//
// tx commits cannot ---- with DeleteMessage as the ReceiveContext state machine does not allow
// DeleteMessage calls if the tx holding this lock committed
public void DeleteMessage(MsmqReceiveContext receiveContext, TimeSpan timeout)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
long lookupId = receiveContext.LookupId;
lock (this.internalStateLock)
{
// Expiry map is first checked before calling ReceiveContextExists as we need to throw
// validity expired exception if the lookup id is not in the map.
if (this.messageExpiryMap.ContainsKey(lookupId))
{
Fx.Assert(ReceiveContextExists(receiveContext), "Mismatch between the receive context object stored in the map and the object passed to the method");
MsmqReceiveContext entry = this.messageExpiryMap[lookupId];
if (DateTime.UtcNow > entry.ExpiryTime)
{
entry.MarkContextExpired();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MessageValidityExpired, lookupId)));
}
else
{
((ILockingQueue)this.queue).DeleteMessage(lookupId, helper.RemainingTime());
if (Transaction.Current != null)
{
List <MsmqReceiveContext> transMsgs;
if (!this.transMessages.TryGetValue(Transaction.Current.TransactionInformation.DistributedIdentifier, out transMsgs))
{
transMsgs = new List <MsmqReceiveContext>();
this.transMessages.Add(Transaction.Current.TransactionInformation.DistributedIdentifier, transMsgs);
// only need to attach the tx complete handler once per transaction
Transaction.Current.TransactionCompleted += this.transactionCompletedHandler;
}
transMsgs.Add(entry);
}
else
{
this.messageExpiryMap.Remove(lookupId);
}
}
}
else
{
// it was cleaned up by the expiry timer
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new MsmqException(SR.GetString(SR.MessageValidityExpired, lookupId)));
}
}
}
