internal static ConnectResponseFrame CreateFrame(byte[] datagram, KnxConnection knx)
{
ConnectResponseFrame frame = new ConnectResponseFrame(knx);
var knxDatagram = new KnxDatagram(datagram)
{
HeaderLength = datagram[0],
ProtocolVersion = datagram[1],
ServiceType = new[] { datagram[2], datagram[3] },
TotalLength = datagram[4] + datagram[5],
ChannelId = datagram[6],
Status = datagram[7]
};
if (knxDatagram.ChannelId == 0x00 && knxDatagram.Status == 0x24)
{
frame.ErrorCode = "E_NO_MORE_CONNECTIONS";
return(frame);
}
else if (knxDatagram.Status == 0x2B || knxDatagram.Status == 0x2A)
{
/*if (knx is KnxConnectionTunnelingSecure knxIpSec)
* {
* knxIpSec.IpSecureErrorOccured?.Invoke(knx, new IpSecureEventArgs("E_NO_TUNNELLING_ADDRESS", KnxError.IpSecInvalidIndividualAddress));
* knx.Disconnect();
* }*/
}
else if (knxDatagram.Status == 0x26)
{
frame.ErrorCode = "E_DATA_CONNECTION";
return(frame);
}
else if (knxDatagram.Status == 0x27)
{
frame.ErrorCode = "E_KNX_CONNECTION";
return(frame);
}
else
{
byte[] iab = new byte[2];
Array.Copy(datagram, 18, iab, 0, 2);
string ia = KnxHelper.GetIndividualAddress(iab);
if (!String.IsNullOrEmpty(knx.IndividualAddress) && ia != knx.IndividualAddress)
{
// ((KnxConnectionTunnelingSecure) knx).IpSecureErrorOccured.Invoke(knx,
// new IpSecureEventArgs("E_DATA_CONNECTION",
// KnxError.IpSecRespondedIndividualAddressDiffersToGiven));
// knx.Disconnect();
return(frame);
}
frame.IndividualAddress = ia;
frame.ChannelId = knxDatagram.ChannelId;
frame.IsValid = true;
}
return(frame);
}
