Examples with RrdDef org.jrobin.core.RrdDef used on opensource projects

Example 1 with RrdDef

use of org.jrobin.core.RrdDef in project opennms by OpenNMS.

the class JRobinConverterTest method initializeRrd.

private void initializeRrd(final File fileName, final String[] dsNames, final String[] archives) throws RrdException, IOException {
    final RrdDef rrdDef = new RrdDef(fileName.getAbsolutePath());
    rrdDef.setStartTime(0);
    final DsDef[] dsDefs = new DsDef[dsNames.length];
    for (int i = 0; i < dsNames.length; i++) {
        dsDefs[i] = new DsDef(dsNames[i], "COUNTER", 600, 0, Double.NaN);
    }
    rrdDef.addDatasource(dsDefs);
    final ArcDef[] arcDefs = new ArcDef[archives.length];
    for (int i = 0; i < archives.length; i++) {
        String[] entry = archives[i].split(":");
        Integer steps = Integer.valueOf(entry[0]);
        Integer rows = Integer.valueOf(entry[1]);
        arcDefs[i] = new ArcDef("AVERAGE", 0.5D, steps, rows);
    }
    rrdDef.addArchive(arcDefs);
    final RrdDb db = new RrdDb(rrdDef);
    db.close();
}

Example 2 with RrdDef

use of org.jrobin.core.RrdDef in project opennms by OpenNMS.

the class JRobinConverter method createTempRrd.

public File createTempRrd(final File rrdFile) throws IOException, RrdException {
    final File parentFile = rrdFile.getParentFile();
    final File outputFile = new File(parentFile, rrdFile.getName() + ".temp");
    // just in case there's an old one lying around
    outputFile.delete();
    parentFile.mkdirs();
    // LogUtils.debugf(this, "created temporary RRD: %s", outputFile);
    final RrdDb oldRrd = new RrdDb(rrdFile.getAbsolutePath(), true);
    final RrdDef rrdDef = oldRrd.getRrdDef();
    rrdDef.setPath(outputFile.getAbsolutePath());
    rrdDef.setStartTime(0);
    final RrdDb newRrd = new RrdDb(rrdDef);
    newRrd.close();
    return outputFile;
}

Example 3 with RrdDef

use of org.jrobin.core.RrdDef in project opennms by OpenNMS.

the class JRobinRrdStrategyTest method createRrdFile.

public File createRrdFile() throws Exception {
    String rrdFileBase = "foo";
    m_fileAnticipator.initialize();
    String rrdExtension = m_strategy.getDefaultFileExtension();
    List<RrdDataSource> dataSources = new ArrayList<>();
    dataSources.add(new RrdDataSource("bar", RrdAttributeType.GAUGE, 3000, "U", "U"));
    List<String> rraList = new ArrayList<>();
    rraList.add("RRA:AVERAGE:0.5:1:2016");
    RrdDef def = m_strategy.createDefinition("hello!", m_fileAnticipator.getTempDir().getAbsolutePath(), rrdFileBase, 300, dataSources, rraList);
    m_strategy.createFile(def);
    return m_fileAnticipator.expecting(rrdFileBase + rrdExtension);
}

Example 4 with RrdDef

use of org.jrobin.core.RrdDef in project i2p.i2p by i2p.

the class SummaryListener method startListening.

/**
 *  @return success
 */
public boolean startListening() {
    RateStat rs = _rate.getRateStat();
    long period = _rate.getPeriod();
    String baseName = rs.getName() + "." + period;
    _name = createName(_context, baseName);
    _eventName = createName(_context, baseName + ".events");
    File rrdFile = null;
    try {
        RrdBackendFactory factory = RrdBackendFactory.getFactory(getBackendName());
        String rrdDefName;
        if (_isPersistent) {
            // generate full path for persistent RRD files
            File rrdDir = new SecureFile(_context.getRouterDir(), RRD_DIR);
            rrdFile = new File(rrdDir, RRD_PREFIX + _name + RRD_SUFFIX);
            rrdDefName = rrdFile.getAbsolutePath();
            if (rrdFile.exists()) {
                _db = new RrdDb(rrdDefName, factory);
                Archive arch = _db.getArchive(CF, STEPS);
                if (arch == null)
                    throw new IOException("No average CF in " + rrdDefName);
                _rows = arch.getRows();
                if (_log.shouldLog(Log.INFO))
                    _log.info("Existing RRD " + baseName + " (" + rrdDefName + ") with " + _rows + " rows consuming " + _db.getRrdBackend().getLength() + " bytes");
            } else {
                rrdDir.mkdir();
            }
        } else {
            rrdDefName = _name;
        }
        if (_db == null) {
            // not persistent or not previously existing
            RrdDef def = new RrdDef(rrdDefName, now() / 1000, period / 1000);
            // for info on the heartbeat, xff, steps, etc, see the rrdcreate man page, aka
            // http://www.jrobin.org/support/man/rrdcreate.html
            long heartbeat = period * 10 / 1000;
            def.addDatasource(_name, "GAUGE", heartbeat, Double.NaN, Double.NaN);
            def.addDatasource(_eventName, "GAUGE", heartbeat, 0, Double.NaN);
            if (_isPersistent) {
                _rows = (int) Math.max(MIN_ROWS, Math.min(MAX_ROWS, THREE_MONTHS / period));
            } else {
                _rows = MIN_ROWS;
            }
            def.addArchive(CF, XFF, STEPS, _rows);
            _db = new RrdDb(def, factory);
            if (_isPersistent)
                SecureFileOutputStream.setPerms(new File(rrdDefName));
            if (_log.shouldLog(Log.INFO))
                _log.info("New RRD " + baseName + " (" + rrdDefName + ") with " + _rows + " rows consuming " + _db.getRrdBackend().getLength() + " bytes");
        }
        _sample = _db.createSample();
        _renderer = new SummaryRenderer(_context, this);
        _rate.setSummaryListener(this);
        return true;
    } catch (OutOfMemoryError oom) {
        _log.error("Error starting RRD for stat " + baseName, oom);
    } catch (RrdException re) {
        _log.error("Error starting RRD for stat " + baseName, re);
        // corrupt file?
        if (_isPersistent && rrdFile != null)
            rrdFile.delete();
    } catch (IOException ioe) {
        _log.error("Error starting RRD for stat " + baseName, ioe);
    } catch (Throwable t) {
        _log.error("Error starting RRD for stat " + baseName, t);
    }
    return false;
}

Example 5 with RrdDef

use of org.jrobin.core.RrdDef in project jmxtrans by jmxtrans.

the class RRDWriter method createOrOpenDatabase.

/**
 * If the database file doesn't exist, it'll get created, otherwise, it'll
 * be returned in r/w mode.
 */
protected RrdDb createOrOpenDatabase() throws Exception {
    RrdDb result;
    if (!this.outputFile.exists()) {
        FileUtils.forceMkdir(this.outputFile.getParentFile());
        RrdDefTemplate t = new RrdDefTemplate(this.templateFile);
        t.setVariable("database", this.outputFile.getCanonicalPath());
        RrdDef def = t.getRrdDef();
        result = new RrdDb(def);
    } else {
        result = new RrdDb(this.outputFile.getCanonicalPath());
    }
    return result;
}