public bool StartWrite(
IList <ArraySegment <byte> > buffer,
int offset,
AsyncCallback cb,
object state,
out bool completed)
{
if (!_isConnected)
{
return(_delegate.StartWrite(buffer, offset, cb, state, out completed));
}
else if (SslStream == null)
{
throw new ConnectionLostException();
}
Debug.Assert(SslStream != null);
if (!_authenticated)
{
completed = false;
return(StartAuthenticate(cb, state));
}
//
// We limit the packet size for beingWrite to ensure connection timeouts are based
// on a fixed packet size.
//
int remaining = buffer.GetByteCount() - offset;
int packetSize = GetSendPacketSize(remaining);
try
{
_writeCallback = cb;
ArraySegment <byte> data = buffer.GetSegment(offset, packetSize);
_writeResult = SslStream.BeginWrite(data.Array, 0, data.Count, WriteCompleted, state);
completed = packetSize == remaining;
return(_writeResult.CompletedSynchronously);
}
catch (IOException ex)
{
if (Network.ConnectionLost(ex))
{
throw new ConnectionLostException(ex);
}
if (Network.Timeout(ex))
{
throw new ConnectionTimeoutException();
}
throw new TransportException(ex);
}
catch (ObjectDisposedException ex)
{
throw new ConnectionLostException(ex);
}
}
