public ArtNetPacket(ArtNetReceiveData data)
{
DataLength = data.DataLength - 12; // Subtract ArtNet header
var packetReader = new ArtNetBinaryReader(new MemoryStream(data.buffer));
ReadData(packetReader);
}
private void OnReceive(IAsyncResult state)
{
EndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
if (PortOpen)
{
try
{
ArtNetReceiveData receiveState = (ArtNetReceiveData)(state.AsyncState);
if (receiveState != null)
{
receiveState.DataLength = EndReceiveFrom(state, ref remoteEndPoint);
//Protect against UDP loopback where we receive our own packets.
if (LocalEndPoint != remoteEndPoint && receiveState.Valid)
{
LastPacket = DateTime.Now;
ProcessPacket((IPEndPoint)remoteEndPoint, ArtNetPacket.Create(receiveState));
}
}
}
catch (Exception ex)
{
OnUnhandledException(ex);
}
finally
{
//Attempt to receive another packet.
StartReceive();
}
}
}
public static ArtNetPacket Create(ArtNetReceiveData data)
{
switch ((ArtNetOpCodes)data.OpCode)
{
case ArtNetOpCodes.Poll:
return(new ArtPollPacket(data));
case ArtNetOpCodes.PollReply:
return(new ArtPollReplyPacket(data));
case ArtNetOpCodes.Dmx:
return(new ArtNetDmxPacket(data));
case ArtNetOpCodes.TodRequest:
return(new ArtTodRequestPacket(data));
case ArtNetOpCodes.TodData:
return(new ArtTodDataPacket(data));
case ArtNetOpCodes.TodControl:
return(new ArtTodControlPacket(data));
case ArtNetOpCodes.Rdm:
return(new ArtRdmPacket(data));
case ArtNetOpCodes.RdmSub:
return(new ArtRdmSubPacket(data));
}
return(null);
}
public void StartReceive()
{
try
{
EndPoint localPort = new IPEndPoint(IPAddress.Any, Port);
ArtNetReceiveData receiveState = new ArtNetReceiveData();
BeginReceiveFrom(receiveState.buffer, 0, receiveState.bufferSize, SocketFlags.None, ref localPort, new AsyncCallback(OnReceive), receiveState);
}
catch (Exception ex)
{
OnUnhandledException(new ApplicationException("An error ocurred while trying to start recieving ArtNet.", ex));
}
}
public static ArtNetPacket Create(ArtNetReceiveData data, Func <ushort, ArtNetReceiveData, ArtNetPacket> customPacketCreator)
{
switch ((ArtNetOpCodes)data.OpCode)
{
case ArtNetOpCodes.Poll:
return(new ArtPollPacket(data));
case ArtNetOpCodes.PollReply:
return(new ArtPollReplyPacket(data));
case ArtNetOpCodes.Dmx:
return(new ArtNetDmxPacket(data));
case ArtNetOpCodes.TodRequest:
return(new ArtTodRequestPacket(data));
case ArtNetOpCodes.TodData:
return(new ArtTodDataPacket(data));
case ArtNetOpCodes.TodControl:
return(new ArtTodControlPacket(data));
case ArtNetOpCodes.Rdm:
return(new ArtRdmPacket(data));
case ArtNetOpCodes.RdmSub:
return(new ArtRdmSubPacket(data));
case ArtNetOpCodes.ArtTrigger:
return(new ArtTriggerPacket(data));
default:
if (customPacketCreator != null)
{
var customPacket = customPacketCreator(data.OpCode, data);
if (customPacket != null)
{
return(customPacket);
}
}
return(new ArtNetUnknownPacket(data));
}
}
public ArtTodControlPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtPollReplyPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtRdmSubPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtTriggerPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtNetDmxPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtTodDataPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtTodRequestPacket(ArtNetReceiveData data)
: base(data)
{
}
public ArtNetPacket(ArtNetReceiveData data)
{
ArtNetBinaryReader packetReader = new ArtNetBinaryReader(new MemoryStream(data.buffer));
ReadData(packetReader);
}
public ArtNetUnknownPacket(ArtNetReceiveData data)
: base(data)
{
}
