public static byte[] GetBytesToSend(PackageData package)
{
var deviceId = package.DeviceId;
if (string.IsNullOrEmpty(deviceId))
{
return(new byte[] {});
}
var payloadBytes = Encoding.UTF8.GetBytes(deviceId);
var payloadLengthBytes = BitConverter.GetBytes(payloadBytes.Length);
payloadBytes = payloadLengthBytes.Concat(payloadBytes).ToArray();
return(payloadBytes);
}
public static bool TryGetValue(byte[] bytes, out PackageData value)
{
if (bytes?.Any() != true)
{
value = PackageData.Empty;
return(false);
}
var sizeFlagBytes = sizeof(int);
var length = BitConverter.ToInt32(bytes.Take(sizeFlagBytes).ToArray(), 0);
if (bytes.Length - sizeFlagBytes != length)
{
value = PackageData.Empty;
return(false);
}
var encoded = Encoding.UTF8.GetString(bytes.Skip(sizeFlagBytes).ToArray());
value = new PackageData(encoded);
return(true);
}