public void Load(CommandDataStreamNormal data)
{
m_lastChannelID = 0;
m_lastTimestamp = default(CtpTime);
m_lastQuality = 0;
m_stream.SetBuffer(data.ObjectStream);
}
private void WriteTime(CtpTime value)
{
EnsureCapacityBytes(9);
if (value.Ticks == 0)
{
WriteSymbol(CtpObjectSymbols.CtpTimeZero);
}
else
{
byte firstByte = (byte)(value.Ticks >> 56);
if (14 <= firstByte && firstByte <= 17)
{
WriteBits56(CtpObjectSymbols.CtpTime14 + (byte)(firstByte - 14), (ulong)value.Ticks);
}
else
{
WriteBits64(CtpObjectSymbols.CtpTimeElse, (ulong)value.Ticks);
}
}
}
private CtpObject(CtpTime value)
: this()
{
ValueTypeCode = CtpTypeCode.CtpTime;
UnsafeCtpTime = value;
}
public override bool Read(SttpDataPoint dataPoint)
{
TryAgain:
if (m_stream.IsEmpty)
{
return(false);
}
m_lastChannelID++;
CtpObject value = m_stream.Read();
if (value.ValueTypeCode == CtpTypeCode.Integer)
{
long code = value.IsInteger;
if (0 <= code && code <= 15)
{
bool channelIDChanged = (code & 1) != 0;
bool hasMetadata = (code & 2) != 0;
bool qualityChanged = (code & 4) != 0;
bool timeChanged = (code & 8) != 0;
if (channelIDChanged)
{
m_lastChannelID = m_stream.Read().AsInt32;
}
if (hasMetadata)
{
Assign(new SttpDataPointID(m_stream.Read()), m_lastChannelID);
}
if (qualityChanged)
{
m_lastQuality = m_stream.Read().AsInt64;
}
if (timeChanged)
{
m_lastTimestamp = m_stream.Read().AsCtpTime;
}
value = m_stream.Read();
}
else
{
value = code - 16;
}
}
dataPoint.DataPoint = GetMetadata(m_lastChannelID);
dataPoint.Quality = m_lastQuality;
dataPoint.Time = m_lastTimestamp;
dataPoint.Value = value;
if (dataPoint.DataPoint == null)
{
goto TryAgain;
}
return(true);
}
