public static Packet ReadFrom(Stream stream)
{
byte[] header = new byte[HeaderSize];
FillBuffer(stream, header);
var packet = new Packet(header);
byte[] payload = FillBuffer(stream, packet.Payload);
return packet;
}
public Packet Copy()
{
Packet copy = new Packet(UID, PayloadSize, FunctionID, SequenceNumber, ResponseExpected, ErrorCode);
Array.Copy(Payload, copy.Payload, PayloadSize);
return copy;
}
public void HandleRequest(Packet packet)
{
RequestQueue.Enqueue(packet);
}
protected void OnResponse(Packet response)
{
var handler = Response;
if (handler != null)
{
handler(this, new ResponseEventArgs(response));
}
}
private void TryRouteAndDispatchRequest(Packet packet)
{
if (packet.UID.Equals(BroadcastUID))
{
foreach (Device device in Devices.Values)
{
DispatchRequest(packet, device);
}
}
else
{
Device device;
if (Devices.TryGetValue(packet.UID, out device))
{
DispatchRequest(packet, device);
}
else
{
Console.WriteLine("No Device for UID {0}", packet.UID);
}
}
}
public ResponseEventArgs(Packet response)
{
Response = response;
}
private void RouteAndDispatchRequest(Packet packet)
{
try
{
TryRouteAndDispatchRequest(packet);
}
catch (Exception e)
{
Console.WriteLine("An unexpected and unhandled error occured while handling a request:");
Console.WriteLine(e);
}
}
private void DispatchRequest(Packet packet, Device device)
{
Packet response = device.HandleRequest(packet.Copy());
if (response != null)
{
OnResponse(response);
}
}
public void SendPacket(Packet packet)
{
SinkOperation(packet);
}