TraceEntry.cs

using System;
 
namespace OSDP.Net.Tracing;

public enum TraceDirection
{
    Input,
    Output,
    Trace
}

public struct TraceEntry
{
    public TraceDirection Direction { get; }

    public Guid ConnectionId { get; }

    public byte[] Data { get; }

    public byte? Address { get; }

    public TraceEntry(TraceDirection direction, Guid connectionId, byte[] data)
    {
        Direction = direction;
        ConnectionId = connectionId;
        Data = data;
        // The trace data begins at the SOM byte (0x53); the address byte is at index 1.
        // Mask off the reply bit (0x80) so commands and replies report the same address.
        Address = data is { Length: > 1 } ? (byte)(data[1] & 0x7F) : null;
    }
}