public static Span <byte> GetDataPacket(byte[] CID, string sourceName, UInt16 universe, byte[] properties)
{
var rootLayer = new RootLayer
{
CID = CID,
Vector = RootLayerVector.VECTOR_ROOT_E131_DATA
};
var framingLayer = new DataPacketFramingLayer
{
SourceName = sourceName,
Universe = universe
};
var dmpLayer = new DMPLayer
{
PropertyValues = properties
};
int totalLength = dmpLayer.Length + DataPacketFramingLayer.Length + RootLayer.Length;
using var owner = MemoryPool <byte> .Shared.Rent(totalLength);
var bytes = owner.Memory.Span.Slice(0, totalLength);
rootLayer.Write(bytes, (UInt16)(DataPacketFramingLayer.Length + dmpLayer.Length));
framingLayer.Write(bytes.Slice(RootLayer.Length), dmpLayer.Length);
dmpLayer.Write(bytes.Slice(RootLayer.Length + DataPacketFramingLayer.Length));
return(bytes);
}
public void When_WriteIsCalled_Then_TheDataIsCorrect()
{
string sourceName = "My source name";
byte priority = 134;
UInt16 syncAddress = 1023;
byte sequenceNumber = 135;
byte options = 0;
UInt16 universe = 1953;
var framingLayer = new DataPacketFramingLayer()
{
SourceName = sourceName,
Priority = priority,
SynchronizationAddress = syncAddress,
SequenceNumber = sequenceNumber,
Options = options,
Universe = universe
};
var expectedBytes = GetDataPacketFramingLayer(sourceName, priority, syncAddress, sequenceNumber, options, universe);
using var owner = MemoryPool <byte> .Shared.Rent(DataPacketFramingLayer.Length);
var actualBytes = owner.Memory.Span.Slice(0, DataPacketFramingLayer.Length);
framingLayer.Write(actualBytes, 0);
Assert.Equal(expectedBytes.ToArray(), actualBytes.ToArray());
}
