public DatabaseData ReloadDatabase(DatabaseData srcDatabase)
{
if (!databases.ContainsKey(srcDatabase.Definition.Path))
{
throw new ApplicationException("Database to reload don't exist");
}
try
{
RrdDb database = new RrdDb(srcDatabase.Definition.Path);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases[srcDatabase.Definition.Path] = data;
database.close();
return(data);
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}
public void ImportData(string dataPath, DatabaseData databaseData, TimeSpan expectedTick)
{
if (model.ReadOnly)
{
throw new ApplicationException("Can't import data. Database readonly");
}
List <string> columns = new List <string>();
List <FetchedData> unifiedData = ReadAndUnifyData(dataPath, out columns);
string databasePath = databaseData.Definition.Path;
RrdDb database = new RrdDb(databasePath, false);
int[] dsIndexes = new int[columns.Count];
for (int i = 0; i < columns.Count; i++)
{
dsIndexes[i] = database.getDsIndex(columns[i]);
}
string[] dsNames = database.getDsNames();
rrd4n.DataAccess.Data.Sample sample = new rrd4n.DataAccess.Data.Sample(databasePath, dsNames, 0);
foreach (var data in unifiedData)
{
sample.setDateTime(data.TimeStamp);
for (int i = 0; i < data.Values.Count; i++)
{
sample.setValue(dsIndexes[i], data.Values[i]);
}
try
{
// When using file access abstraction
//dbAccess.StoreData(sample);
//Without abstraction
database.store(sample);
sample.clearValues();
}
catch (ArgumentException)
{
}
model.DatabaseDirty = true;
}
database.close();
OpenDatabase(databasePath);
}
public void StoreData(rrd4n.DataAccess.Data.Sample sample)
{
RrdDb rrdDb = null;
try
{
rrdDb = new RrdDb(DataPath + sample.DatabasePath, false);
Sample coreSample = new Sample(rrdDb.getPath(), rrdDb.getDsNames(), sample.Time);
coreSample.setValues(sample.Values);
rrdDb.store(coreSample);
}
finally
{
if (rrdDb != null)
{
rrdDb.close();
}
}
}
public DatabaseData AddDatabase(string databasePath)
{
if (databases.ContainsKey(databasePath))
{
return(databases[databasePath]);
}
try
{
RrdDb database = new RrdDb(databasePath);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases.Add(databasePath, data);
database.close();
return(databases[databasePath]);
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}