// state variables
internal DataSource(RrdDb parentDb, DsDef dsDef)
{
bool shouldInitialize = dsDef != null;
this.parentDb = parentDb;
dsName = new RrdString(this);
dsType = new RrdString(this);
heartbeat = new RrdLong(this);
minValue = new RrdDouble(this);
maxValue = new RrdDouble(this);
lastValue = new RrdDouble(this);
accumValue = new RrdDouble(this);
nanSeconds = new RrdLong(this);
if (shouldInitialize)
{
dsName.Set(dsDef.Name);
primitiveDsName = null;
dsType.Set(dsDef.Type.ToString());
primitiveDsType = null;
heartbeat.Set(dsDef.Heartbeat);
minValue.Set(dsDef.MinValue);
maxValue.Set(dsDef.MaxValue);
lastValue.Set(Double.NaN);
accumValue.Set(0.0);
Header header = parentDb.Header;
nanSeconds.Set(header.LastUpdateTime%header.Step);
}
}
internal Header(RrdDb parentDb, RrdDef rrdDef)
{
bool shouldInitialize = rrdDef != null;
this.parentDb = parentDb;
signature = new RrdString(this); // NOT constant, may NOT be cached
step = new RrdLong(this, true); // constant, may be cached
dsCount = new RrdInt(this, true); // constant, may be cached
arcCount = new RrdInt(this, true); // constant, may be cached
lastUpdateTime = new RrdLong(this);
if (shouldInitialize)
{
signature.Set(DEFAULT_SIGNATURE);
step.Set(rrdDef.Step);
dsCount.Set(rrdDef.DataSourceDefinitions.Length);
arcCount.Set(rrdDef.ArchiveDefinitions.Length);
lastUpdateTime.Set(rrdDef.StartTime);
}
}