public void Flush(LoopbackSession session)
{
IWriteRequestQueue queue = session.WriteRequestQueue;
if (!session.Closing)
{
lock (session.Lock)
{
try
{
if (queue.IsEmpty(session))
{
return;
}
IWriteRequest req;
DateTime currentTime = DateTime.Now;
while ((req = queue.Poll(session)) != null)
{
Object m = req.Message;
_chain.PushEvent(new IoEvent(IoEventType.MessageSent, session, req), false);
session.RemoteSession.FilterChain.FireMessageReceived(GetMessageCopy(m));
IoBuffer buf = m as IoBuffer;
if (buf != null)
{
session.IncreaseWrittenBytes(buf.Remaining, currentTime);
}
}
}
finally
{
if (_chain._flushEnabled)
{
_chain.FlushEvents();
}
}
}
FlushPendingDataQueues(session);
}
else
{
List <IWriteRequest> failedRequests = new List <IWriteRequest>();
IWriteRequest req;
while ((req = queue.Poll(session)) != null)
{
failedRequests.Add(req);
}
if (failedRequests.Count > 0)
{
WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
foreach (IWriteRequest r in failedRequests)
{
r.Future.Exception = cause;
}
session.FilterChain.FireExceptionCaught(cause);
}
}
}
private void ClearWriteRequestQueue(SocketSession session)
{
IWriteRequestQueue writeRequestQueue = session.WriteRequestQueue;
IWriteRequest req;
List <IWriteRequest> failedRequests = new List <IWriteRequest>();
if ((req = writeRequestQueue.Poll(session)) != null)
{
IoBuffer buf = req.Message as IoBuffer;
if (buf != null)
{
// The first unwritten empty buffer must be
// forwarded to the filter chain.
if (buf.HasRemaining)
{
buf.Reset();
failedRequests.Add(req);
}
else
{
session.FilterChain.FireMessageSent(req);
}
}
else
{
failedRequests.Add(req);
}
// Discard others.
while ((req = writeRequestQueue.Poll(session)) != null)
{
failedRequests.Add(req);
}
}
// Create an exception and notify.
if (failedRequests.Count > 0)
{
WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
foreach (IWriteRequest r in failedRequests)
{
//session.DecreaseScheduledBytesAndMessages(r);
r.Future.Exception = cause;
}
session.FilterChain.FireExceptionCaught(cause);
}
}
/// <inheritdoc/>
public IWriteRequest Poll(IoSession session)
{
IWriteRequest answer = _queue.Poll(session);
if (Object.ReferenceEquals(answer, CLOSE_REQUEST))
{
_session.Close();
Dispose(_session);
answer = null;
}
return(answer);
}