/// <summary>
/// Consume the iBeacon BLE packets here
/// </summary>
/// <param name="advertisement">iBeacon BLE Advertisement</param>
static void OnIBeaconAdvertisementScanned(IBeaconAdModel advertisement)
{
var bluetoothMAC = advertisement.BluetoothAddress.ToByteArray(true).ToHexString(delimeter: ":");
var maj = advertisement.Major;
var min = advertisement.Minor;
var proxUUID = Guid.Parse(advertisement.ProximityUUID).ToString();
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write($" {DateTime.Now.ToString("HH:mm:ss.fff")}: ");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.Write($" {bluetoothMAC} ");
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write($" | Major ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(maj);
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write($" | Minor ");
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(min);
Console.ForegroundColor = ConsoleColor.Gray;
Console.Write($" | ProxUUID ");
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine(proxUUID);
Console.ForegroundColor = ConsoleColor.Gray;
}
private IBeaconAdModel TryParseAppleIBeacon(AdStructure adStruct, string bluetoothAddress)
{
try {
// Check length of struct
// (AD_APPLE_IBEACON_SIZE - 1 additional ad struct, size & struct ID bytes from this struct)
if (adStruct.Data.Length != AD_APPLE_IBEACON_SIZE - 5)
{
return(null);
}
var data = adStruct.Data;
var id = data.Take(2).ToHexString(true);
if (!string.Equals(id, APPLE_ID, StringComparison.OrdinalIgnoreCase))
{
return(null);
}
if (data[2] != 0x02)
{
return(null);
}
if (data[3] != 0x15)
{
return(null); // length
}
var proximityUUID = data.Skip(4).Take(16).ToHexString();
var major = BitConverter.ToUInt16(data.Skip(20).Take(2).Reverse().ToArray(), 0);
var minor = BitConverter.ToUInt16(data.Skip(22).Take(2).Reverse().ToArray(), 0);
var measuredPower = (sbyte)data.Last();
var appleIBeaconData = new IBeaconAdModel {
Major = major,
Minor = minor,
ProximityUUID = proximityUUID,
MeasuredPower = measuredPower,
BluetoothAddress = bluetoothAddress
};
Debug.WriteLine(
$"Parsed AppleIBeaconAdData: " +
$"maj={appleIBeaconData.Major} " +
$"min={appleIBeaconData.Minor} " +
$"prox={appleIBeaconData.ProximityUUID} " +
$"txpwr={appleIBeaconData.MeasuredPower}"
);
return(appleIBeaconData);
} catch (Exception ex) {
Debug.WriteLine($"Error while parsing AppleIBeacon ad: {ex.GetBaseException().Message}");
return(null);
}
}
