private void Tick(object sender, TickEventArgs e)
{
var initialCount = packets.Count;
// Move items along transporter
foreach (var item in packets)
{
item.Location += speed;
if (item.Location <= length)
{
continue;
}
// Output items at end
var removed = output.Add(item.Packet);
if (removed == item.Packet.Amount)
{
removePackets.Add(item);
}
else
{
item.Packet = item.Packet.NewAmount(item.Packet.Amount - removed);
}
}
// Remove output items
foreach (var item in removePackets)
{
packets.Remove(item);
}
removePackets.Clear();
// Add new items to transporter and remove from connected input
var amount = rate.GetAmount(e.Tick);
if (amount > 0)
{
var ps = input.Remove(filter, amount);
foreach (var packet in ps)
{
packets.Add(new MovingPacket
{
Packet = packet,
Location = 0,
});
}
}
if (initialCount > 0 || packets.Count > 0)
{
OnPacketsMoved(new PacketsMovedArgs
{
Packets = packets
});
}
}
/// <summary>
/// Construct a new device stream context.
/// </summary>
/// <param name="device"></param>
/// <param name="initial_buffer_size"></param>
public DeviceStream(IDevice <TMessage> device, int initial_buffer_size = 256)
{
this.device = device;
buffer = new SequentialCircularBuffer <TMessage>(initial_buffer_size);
device.Handle += (sender, args) =>
{
buffer.Add(args.Received);
};
sendQueue = new MessageQueue <TMessage>(device.Send, device.Name + " Buffer");
}
TransformerEnumerator(IFn xform, IEnumerator sourceEnum, bool multi)
{
_sourceEnum = sourceEnum;
_xf = (IFn)xform.invoke(new TransformHelper(o => _buffer = _buffer.Add(o)));
_multi = multi;
}