/// <summary>
/// Closes the listener.
/// </summary>
private void InternalClose(object state)
{
TcpAsyncOperation <int> operation = (TcpAsyncOperation <int>)state;
try
{
lock (m_lock)
{
while (m_channelQueue.Count > 0)
{
UaTcpReplyChannel channel = m_channelQueue.Dequeue();
channel.Abort();
}
while (m_acceptQueue.Count > 0)
{
TcpAsyncOperation <IReplySessionChannel> waitingAccept = m_acceptQueue.Dequeue();
waitingAccept.Fault(StatusCodes.BadServerHalted);
}
Stop();
}
operation.Complete(0);
}
catch (Exception e)
{
operation.Fault(e, StatusCodes.BadInternalError, "Could not close UA TCP listener.");
}
}
/// <summary cref="ChannelListenerBase{T}.OnBeginAcceptChannel" />
protected override IAsyncResult OnBeginAcceptChannel(TimeSpan timeout, AsyncCallback callback, object state)
{
TcpAsyncOperation <IReplySessionChannel> operation = new TcpAsyncOperation <IReplySessionChannel>(Utils.GetTimeout(timeout), callback, state);
lock (m_lock)
{
if (m_channelQueue.Count > 0)
{
UaTcpReplyChannel channel = m_channelQueue.Dequeue();
Utils.Trace("Channel Accepted: Id={0}", channel.Id);
operation.Complete(channel);
return(operation);
}
m_acceptQueue.Enqueue(operation);
}
return(operation);
}