public void addDatasource(String sourcePath, String destPath, DsDef newDatasource)
{
if (Util.sameFilePath(sourcePath, destPath))
{
throw new RrdException("Source and destination paths are the same");
}
RrdDb rrdSource = new RrdDb(sourcePath);
RrdDef rrdDef = rrdSource.getRrdDef();
rrdDef.setPath(destPath);
rrdDef.addDatasource(newDatasource);
RrdDb rrdDest = new RrdDb(rrdDef);
rrdSource.copyStateTo(rrdDest);
rrdSource.close();
rrdDest.close();
}
public void removeArchive(String sourcePath, String destPath, String consolFun, int steps)
{
if (Util.sameFilePath(sourcePath, destPath))
{
throw new RrdException("Source and destination paths are the same");
}
RrdDb rrdSource = new RrdDb(sourcePath);
RrdDef rrdDef = rrdSource.getRrdDef();
rrdDef.setPath(destPath);
rrdDef.removeArchive(consolFun, steps);
RrdDb rrdDest = new RrdDb(rrdDef);
rrdSource.copyStateTo(rrdDest);
rrdSource.close();
rrdDest.close();
}
public void resizeArchive(String sourcePath, String destPath, String consolFun,
int numSteps, int newRows)
{
if (Util.sameFilePath(sourcePath, destPath))
{
throw new RrdException("Source and destination paths are the same");
}
if (newRows < 2)
{
throw new RrdException("New arcihve size must be at least 2");
}
RrdDb rrdSource = new RrdDb(sourcePath);
RrdDef rrdDef = rrdSource.getRrdDef();
ArcDef arcDef = rrdDef.findArchive(consolFun, numSteps);
if (arcDef.getRows() != newRows)
{
arcDef.setRows(newRows);
rrdDef.setPath(destPath);
RrdDb rrdDest = new RrdDb(rrdDef);
rrdSource.copyStateTo(rrdDest);
rrdDest.close();
}
rrdSource.close();
}
