public SynchronizationPacket()
{
RootLayer = new RootLayer
{
Vector = RootLayerVector.VECTOR_ROOT_E131_EXTENDED
};
FramingLayer = new SynchronizationPacketFramingLayer();
}
public void Given_TheDataIsCorrect_When_ParseIsCalled_Then_TheDataIsParsedAsExpected()
{
UInt16 synchronizationAddress = 1028;
byte sequenceNumber = 67;
var bytes = GetSynchronizationPacketFramingLayer(sequenceNumber, synchronizationAddress);
var framingLayer = SynchronizationPacketFramingLayer.Parse(bytes.ToArray());
Assert.Equal(FramingLayerVector.VECTOR_E131_EXTENDED_SYNCHRONIZATION, framingLayer.Vector);
Assert.Equal(sequenceNumber, framingLayer.SequenceNumber);
Assert.Equal(synchronizationAddress, framingLayer.SynchronizationAddress);
}
public void When_WriteIsCalled_Then_TheDataIsCorrect()
{
UInt16 syncAddress = 1023;
byte sequenceNumber = 135;
var framingLayer = new SynchronizationPacketFramingLayer()
{
SynchronizationAddress = syncAddress,
SequenceNumber = sequenceNumber
};
var expectedBytes = GetSynchronizationPacketFramingLayer(sequenceNumber, syncAddress);
using var owner = MemoryPool <byte> .Shared.Rent(SynchronizationPacketFramingLayer.Length);
var actualBytes = owner.Memory.Span.Slice(0, SynchronizationPacketFramingLayer.Length);
framingLayer.Write(actualBytes);
Assert.Equal(expectedBytes.ToArray(), actualBytes.ToArray());
}
public static Span <byte> GetSynchronizationPacket(byte[] CID, byte sequenceNumber)
{
var rootLayer = new RootLayer
{
CID = CID,
Vector = RootLayerVector.VECTOR_ROOT_E131_EXTENDED
};
var framingLayer = new SynchronizationPacketFramingLayer
{
SequenceNumber = sequenceNumber
};
int totalLength = SynchronizationPacketFramingLayer.Length + RootLayer.Length;
using var owner = MemoryPool <byte> .Shared.Rent(totalLength);
var bytes = owner.Memory.Span.Slice(0, totalLength);
rootLayer.Write(bytes, (UInt16)(SynchronizationPacketFramingLayer.Length));
framingLayer.Write(bytes.Slice(RootLayer.Length));
return(bytes);
}
public static SynchronizationPacket Parse(ReadOnlySpan <byte> bytes, RootLayer rootLayer, SynchronizationPacketFramingLayer framingLayer)
{
SynchronizationPacket packet = new SynchronizationPacket
{
RootLayer = rootLayer,
FramingLayer = framingLayer
};
return(packet);
}