private byte[] SerializeType(IotDevice obj)
{
var bitWriter = new BitWriter();
var id = Guid.Parse(obj.Id);
var statusMessage = obj.StatusMessage.Replace(" ", string.Empty);
bitWriter.WriteBit(string.Equals(statusMessage, _statusMessage, StringComparison.Ordinal));
bitWriter.WriteBit(IsEqual(_pressure, obj.Pressure.Value));
bitWriter.WriteBit(IsEqual(_temperature, obj.Temperature.Value));
bitWriter.WriteBit(IsEqual(_distance, obj.Distance.Value));
if (!string.Equals(obj.Name, _name, StringComparison.Ordinal))
{
SerializeType(bitWriter, obj.Name);
_name = obj.Name;
}
if (id != _id)
{
SerializeType(bitWriter, id);
_id = id;
}
if (!string.Equals(statusMessage, _statusMessage, StringComparison.Ordinal))
{
SerializeType(bitWriter, statusMessage);
_statusMessage = statusMessage;
}
SerializeType(bitWriter, obj.SelfCheckPassed);
SerializeType(bitWriter, obj.ServiceModeEnabled);
SerializeType(bitWriter, obj.UptimeInSeconds - _uptimeInSeconds, bitLength: 7);
_uptimeInSeconds = obj.UptimeInSeconds;
if (!IsEqual(_pressure, obj.Pressure.Value))
{
SerializeType(bitWriter, obj.Pressure.Value);
_pressure = obj.Pressure.Value;
}
if (!IsEqual(_temperature, obj.Temperature.Value))
{
SerializeType(bitWriter, obj.Temperature.Value);
_temperature = obj.Temperature.Value;
}
if (!IsEqual(_distance, obj.Distance.Value))
{
SerializeType(bitWriter, obj.Distance.Value);
_distance = obj.Distance.Value;
}
var bytes = bitWriter.ToArray();
return(bytes);
}
private void SerializeType(BitWriter bitWriter, string value)
{
var bytes = Encoding.UTF8.GetBytes(value);
bitWriter.WriteBytes(bytes);
var x = new BitReader(bitWriter.ToArray());
var y = x.ReadBytes(bytes.Length);
var z = Encoding.UTF8.GetString(y);
// null terminator
bitWriter.WriteByte((byte)0);
}