public static LinkLayerAddressAndTimeDUID FromByteArray(Byte[] data, Int32 offset)
{
UInt16 code = ByteHelper.ConvertToUInt16FromByte(data, offset);
if (code != (UInt16)DUIDTypes.LinkLayerAndTime)
{
throw new ArgumentException($"invalid duid type. expected {(UInt16)DUIDTypes.LinkLayerAndTime} actual {code}");
}
DUIDLinkLayerTypes linkLayerType = (DUIDLinkLayerTypes)ByteHelper.ConvertToUInt16FromByte(data, offset + 2);
UInt32 seconds = ByteHelper.ConvertToUInt32FromByte(data, offset + 4);
Byte[] hwAddress = ByteHelper.CopyData(data, offset + 8);
DateTime time = _nullReferenceTime + TimeSpan.FromSeconds(seconds);
return(new LinkLayerAddressAndTimeDUID(linkLayerType, hwAddress, time, ByteHelper.CopyData(data, offset + 2)));
}
public static LinkLayerAddressAndTimeDUID FromEthernet(
Byte[] hwAddress, DateTime time)
{
if (time < _nullReferenceTime)
{
throw new ArgumentException($"the time value must greater than {_nullReferenceTime}", nameof(time));
}
if (hwAddress.Length != 6)
{
throw new ArgumentException("invalid mac address", nameof(hwAddress));
}
Byte[] duidTypeByte = ByteHelper.GetBytes((UInt16)DUIDTypes.LinkLayerAndTime);
Byte[] hwTypeByte = ByteHelper.GetBytes((UInt16)DUIDLinkLayerTypes.Ethernet);
Byte[] timeByte = ByteHelper.GetBytes((UInt32)((time - _nullReferenceTime).TotalSeconds));
Byte[] concat = ByteHelper.ConcatBytes(
new List <Byte[]> {
duidTypeByte, hwTypeByte, timeByte, hwAddress
});
return(FromByteArray(concat, 0));
}
public VendorBasedDUID(UInt32 enterpiseNumber, Byte[] vendorInformation) : base(DUIDTypes.VendorBased,
ByteHelper.GetBytes(enterpiseNumber),
vendorInformation)
{
EnterpriseNumber = enterpiseNumber;
if (vendorInformation == null || vendorInformation.Length == 0)
{
throw new ArgumentNullException(nameof(vendorInformation));
}
Identifier = ByteHelper.CopyData(vendorInformation);
}
public static UnknownDUID FromByteArray(Byte[] data, Int32 offset)
{
//UInt16 code = ByteHelper.ConvertToUInt16FromByte(data, offset);
return(new UnknownDUID(ByteHelper.CopyData(data, offset + 2)));
}
public static DUID GetDUID(Byte[] data, Int32 offset)
{
UInt16 code = ByteHelper.ConvertToUInt16FromByte(data, offset);
return(GetDUID(code, ByteHelper.CopyData(data, offset)));
}
protected DUID(DUIDTypes type, params Byte[][] data)
{
Type = type;
Value = ByteHelper.ConcatBytes(data);
}