public static DnmPayload Create(DnmLayer layer, DnmType type, ReadOnlyMemory <byte> data, MacConnection connection)
{
switch (layer)
{
case DnmLayer.Mac:
return(CreateMac(type, data, connection));
case DnmLayer.Lc:
return(CreateLc(type, data, connection));
default:
return(new UnknownDnmPayload(data));
}
}
private static DnmPayload CreateLc(DnmType type, ReadOnlyMemory <byte> data, MacConnection connection)
{
if (data.Length <= 1)
{
return(new EmptyLcPayload(data));
}
switch (type)
{
case DnmType.LcDataReq:
case DnmType.LcDataInd:
return(new LcDataPayload(data, connection.Reassembler));
default:
return(new UnknowLcPayload(data));
}
}
private static DnmPayload CreateMac(DnmType type, ReadOnlyMemory <byte> data, MacConnection connection)
{
switch (type)
{
case DnmType.MacConInd:
var macConInd = new MacConIndPayload(data);
connection.Open(macConInd);
return(macConInd);
case DnmType.MacDisInd:
connection.Close();
return(new MacDisIndPayload(data));
case DnmType.MacDisReq:
connection.Close();
return(new EmptyDnmPayload(data));
case DnmType.MacEncKeyReq:
return(new MacEncKeyReqPayload(data));
case DnmType.MacEncEksInd:
return(new MacEncEksIndPayload(data));
case DnmType.MacInfoInd:
return(new MacInfoIndPayload(data));
case DnmType.HoInProgressInd:
return(new MacHoInProgressIndPayload(data));
case DnmType.HoInProgressRes:
return(new MacHoInProgressResPayload(data));
case DnmType.HoFailedInd:
return(new MacHoFailedIndPayload(data));
default:
return(new UnknownDnmPayload(data));
}
}
