private static KnxTelegramPayload ParseConnectResponse(KnxTelegramHeader arg1, byte[] arg2)
{
if (arg2.Length < 8)
{
throw new ArgumentException(string.Format("Supplied buffer smaller than required size ({0})", arg2.Length));
}
return(new KnxConnectResponse(arg2[6], (KnxConnectResponse.StatusCodes)arg2[7]));
}
private static KnxTelegramPayload ParseTunnelingAcknowledge(KnxTelegramHeader arg1, byte[] arg2)
{
if (arg2.Length < 8)
{
throw new ArgumentException(string.Format("Supplied buffer smaller than required size ({0})", arg2.Length));
}
return(new KnxTunnelingAcknowledge(arg2[7], arg2[8]));
}
internal static KnxTelegramPayload ParseKnxTelegram(KnxTelegramHeader header, byte[] buffer)
{
if (!PayloadFactories.ContainsKey(header.ServiceType))
{
throw new ArgumentException(string.Format("Do not know how to deserialize service type: {0}", header.ServiceType));
}
return(PayloadFactories[header.ServiceType](header, buffer));
}
public static void Serialize(KnxTelegramHeader knxTelegramHeader, MemoryStream stream)
{
stream.WriteByte(knxTelegramHeader.HeaderLength);
stream.WriteByte(knxTelegramHeader.ProtocolVersion);
stream.WriteByte((byte)(knxTelegramHeader.ServiceType >> 8));
stream.WriteByte((byte)(knxTelegramHeader.ServiceType & 255));
stream.WriteByte((byte)(knxTelegramHeader.TotalLength >> 8));
stream.WriteByte((byte)(knxTelegramHeader.TotalLength & 255));
}
public static void Serialize(KnxTunnelingAcknowledge knxTunnelingAcknowledge, MemoryStream memoryStream)
{
memoryStream.SetLength(0);
memoryStream.Seek(6, SeekOrigin.Begin);
SerializeCommonConnectionHeader(knxTunnelingAcknowledge.ChannelId, knxTunnelingAcknowledge.SequenceNumber, memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
var header = new KnxTelegramHeader(6, 0x10, 0x421, (ushort)memoryStream.Length);
Serialize(header, memoryStream);
}
public static void Serialize(KnxConnectionStateRequest knxConnectionStateRequest, MemoryStream stream)
{
stream.SetLength(0);
stream.Seek(6, SeekOrigin.Begin);
stream.WriteByte(knxConnectionStateRequest.ChannelId);
stream.WriteByte(0);
Serialize(knxConnectionStateRequest.EndPoint, stream);
stream.Seek(0, SeekOrigin.Begin);
var header = new KnxTelegramHeader(6, 0x10, 0x207, (ushort)stream.Length);
Serialize(header, stream);
}
private static KnxTelegramPayload ParseTunnelingRequest(KnxTelegramHeader arg1, byte[] arg2)
{
var dataLength = arg2[18] & 15;
var cemiFrame = new CemiFrame(
(CemiFrame.MessageCodes)arg2[10],
(CemiFrame.Control1Flags)arg2[12],
(CemiFrame.Control2Flags)arg2[13],
IndividualAddress.FromUShort((ushort)((arg2[14] << 8) + arg2[15])),
GroupAddress.FromUShort((ushort)((arg2[16] << 8) + arg2[17])),
arg2[18],
(ushort)((arg2[19] << 8) + arg2[20]), new ArraySegment <byte>(arg2, 21, dataLength == 0 ? 0 : dataLength - 1)); // protect against unknown datagrams with datalength = 0
return(new KnxTunnelingRequest(arg2[7], arg2[8], cemiFrame));
}
internal static KnxTelegramHeader ParseKnxTelegramHeader(byte[] buffer)
{
if (buffer.Length < 6)
{
throw new ArgumentException(string.Format("Supplied buffer smaller than required header size ({0})", buffer.Length));
}
var knxTelegram = new KnxTelegramHeader(buffer[0], buffer[1], ToUInt16(buffer, 2), ToUInt16(buffer, 4));
if (knxTelegram.HeaderLength != 6)
{
throw new ArgumentException(string.Format("Header length is not 6 but {0}", knxTelegram.HeaderLength));
}
if (knxTelegram.ProtocolVersion != 0x10)
{
throw new ArgumentException(string.Format("ProtocolVersion is not 0x10 but {0}", knxTelegram.ProtocolVersion));
}
return(knxTelegram);
}
public KnxTelegram(KnxTelegramHeader knxTelegramHeader, KnxTelegramPayload knxTelegramPayload)
{
KnxTelegramHeader = knxTelegramHeader;
KnxTelegramPayload = knxTelegramPayload;
}
