public AvlData Decode(IBitReader reader)
{
DateTime dateTime = reader != null?DateTimeExt.FromAvl(reader.ReadInt64()) : throw new ArgumentNullException(nameof(reader));
AvlDataPriority priority = (AvlDataPriority)reader.ReadByte();
GpsElement gps = DefaultGpsElementEncoding.Instance.Decode(reader);
IoElement data = DefaultIOElementEncoding.Instance16.Decode(reader);
return(new AvlData(priority, dateTime, gps, data));
}
public AvlData Decode(IBitReader reader)
{
DateTime dateTime = reader != null?DateTimeExt.FromAvl(reader.ReadUInt32() * 1000L + reader.ReadByte() * 10) : throw new ArgumentNullException(nameof(reader));
AvlDataPriority priority = (AvlDataPriority)reader.ReadByte();
GpsElementExt gpsElementExt = FMPro3GpsElementEncoding.Instance.Decode(reader);
IoElement data = FMPro3IOElementEncoding.Instance.Decode(reader);
data.Add(gpsElementExt.IO[500001]);
return(new AvlData(priority, dateTime, gpsElementExt.GPS, data));
}
public AvlData Decode(IBitReader reader)
{
DateTime dateTime = reader != null?DateTimeExt.FromAvl(reader.ReadInt64()) : throw new ArgumentNullException(nameof(reader));
AvlDataPriority priority = AvlDataPriority.Low;
byte num = reader.ReadByte();
if (num > 10 && num <= 20)
{
priority = AvlDataPriority.High;
}
GpsElement gps = DefaultGpsElementEncoding.Instance.Decode(reader);
IoElement data = LegacyIoElementEncoding.Instance.Decode(reader);
if (priority == AvlDataPriority.High)
{
data = new IoElement(-1, data.Properties);
}
return(new AvlData(priority, dateTime, gps, data));
}
public AvlData Decode(IBitReader reader)
{
byte num = reader != null?reader.ReadByte() : throw new ArgumentNullException(nameof(reader));
byte[] buffer = reader.ReadBytes(num);
if (reader.ReadByte() != CRC.CalculateXor(buffer))
{
throw new Exception("AvlData Record CRC failure. Received CRC - {0}, calculated CRC - {1}.");
}
using (MemoryStream stream = new MemoryStream())
{
using (IBitReader suitableBitReader = stream.CreateSuitableBitReader())
{
stream.Write(buffer, 0, num);
stream.Position = 0L;
long timestamp = suitableBitReader.ReadUInt32() * 1000L;
AvlDataPriority priority = (AvlDataPriority)suitableBitReader.ReadByte();
GpsElement gps = DefaultGpsElementEncoding.Instance.Decode(suitableBitReader);
IoElement data = DefaultIOElementEncoding.Instance.Decode(suitableBitReader);
DateTime dateTime = DateTimeExt.FromAvl(timestamp);
return(new AvlData(priority, dateTime, gps, data));
}
}
}
public AvlData[] Decode(IBitReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
long y2Ktime;
if (ReadBitSequence(reader, out y2Ktime, 35) != 35)
{
throw new Exception("Wrong timestamp bits count");
}
long timestamp = Y2K2Timestamp(y2Ktime);
long bits;
if (reader.ReadBits(out bits, 5) != 5)
{
throw new Exception("Wrong element count bits count");
}
long num1 = Math.Min(bits, 24L);
List <AvlData> avlDataList = new List <AvlData>();
long compressedGws1 = 0;
long compressedGws2 = 0;
for (int index = 0; index < num1; ++index)
{
bool bit1;
if (reader.ReadBit(out bit1) != 1)
{
throw new Exception("Wrong data bits count");
}
if (bit1)
{
bool bit2;
if (reader.ReadBit(out bit2) != 1)
{
throw new Exception("Wrong data bits count");
}
if (bit2)
{
long num2;
if (ReadBitSequence(reader, out num2, 14) != 14)
{
throw new Exception("Wrong data bits count");
}
long num3;
if (ReadBitSequence(reader, out num3, 14) != 14)
{
throw new Exception("Wrong data bits count");
}
compressedGws1 = compressedGws1 - num2 + 8191L;
compressedGws2 = compressedGws2 - num3 + 8191L;
}
else
{
if (ReadBitSequence(reader, out compressedGws1, 21) != 21)
{
throw new Exception("Wrong data bits count");
}
if (ReadBitSequence(reader, out compressedGws2, 20) != 20)
{
throw new Exception("Wrong data bits count");
}
}
long num4 = DecompressGws(compressedGws1, -1800000000L, 1800000000L, 3600000000L, 2097151L);
long num5 = DecompressGws(compressedGws2, -900000000L, 900000000L, 1800000000L, 1048575L);
short speed = reader.ReadByte();
AvlData avlData = new AvlData(AvlDataPriority.Low, DateTimeExt.FromAvl(timestamp), new GpsElement((int)num4, (int)num5, 0, speed, 0, 3));
avlDataList.Add(avlData);
}
timestamp += 3600000L;
}
return(avlDataList.ToArray());
}
