Java Code Examples for org.rrd4j.graph.RrdGraphDef#line()

@ResponseBody
@RequestMapping(value="/monitor/graphs/task_exec.png", method=RequestMethod.GET, produces=MediaType.IMAGE_PNG_VALUE)
public byte[] taskCountsGraph() throws IOException {

    final String path = rrdPath(PLOW_RRD);
    final RrdGraphDef graphDef = baseGraph("Task Executions", "task/sec");

    graphDef.datasource("linea", path, "taskStartedCount", ConsolFun.AVERAGE);
    graphDef.datasource("lineb", path, "taskStartedFailCount", ConsolFun.AVERAGE);
    graphDef.datasource("linec", path, "taskStoppedCount", ConsolFun.AVERAGE);
    graphDef.datasource("lined", path, "taskStoppedFailCount", ConsolFun.AVERAGE);
    graphDef.area("linea", new Color(8, 175, 193), "Started");
    graphDef.stack("linec", new Color(133, 225, 224), "Stopped");
    graphDef.line("lineb", new Color(243, 165, 41), "Error Started", 2);
    graphDef.line("lined", new Color(241, 93, 5), "Error Stopped", 2);

    return createImage(graphDef);
}
 

@ResponseBody
@RequestMapping(value="/monitor/graphs/job_launch.png", method=RequestMethod.GET, produces=MediaType.IMAGE_PNG_VALUE)
public byte[] jobLaunchGraph() throws IOException {

    final String path = rrdPath(PLOW_RRD);
    final RrdGraphDef graphDef = baseGraph("Job Launch", "jobs/sec");

    graphDef.datasource("linea", path, "jobLaunchCount", ConsolFun.AVERAGE);
    graphDef.datasource("lineb", path, "jobLaunchFailCount", ConsolFun.AVERAGE);
    graphDef.datasource("linec", path, "jobFinishCount", ConsolFun.AVERAGE);
    graphDef.datasource("lined", path, "jobKillCount", ConsolFun.AVERAGE);
    graphDef.area("linea", new Color(8, 175, 193), "Launched");
    graphDef.stack("linec", new Color(133, 225, 224), "Finished");
    graphDef.line("lineb", new Color(241, 93, 5), "Launch Fail", 2);
    graphDef.line("lined",  new Color(243, 165, 41), "Jobs Killed", 2);

    return createImage(graphDef);
}
 

@ResponseBody
@RequestMapping(value="/monitor/graphs/node_threads.png", method=RequestMethod.GET, produces=MediaType.IMAGE_PNG_VALUE)
public byte[] nodeDispatcherThreads() throws IOException {

    final String path = rrdPath(THREAD_RRD);
    final RrdGraphDef graphDef = baseGraph("Node Dispatcher Queue", "threads/sec");

    graphDef.datasource("threads", path, "nodeActiveThreads", ConsolFun.AVERAGE);
    graphDef.datasource("queue", path, "nodeWaiting", ConsolFun.AVERAGE);

    graphDef.line("threads", new Color(152, 175, 54), "Active Threads");
    graphDef.area("queue", new Color(74, 104, 15), "Queued Work");

    graphDef.comment("\\r");

    graphDef.gprint("threads", MAX, "Max Threads = %.3f%S");
    graphDef.gprint("threads", AVERAGE, "Avg Threads = %.3f%S\n");

    graphDef.gprint("queue", MAX, "Max Queued = %.3f%s");
    graphDef.gprint("queue", AVERAGE, "Avg Queued = %.3f%S\n");

    return createImage(graphDef);
}
 

private InputStream doRender(final long start, final long end, final int width, final int height)
        throws IOException {
    final String rrdPath = getLocation().toAbsolutePath().toString();

    final RrdGraphDef def = new RrdGraphDef();
    def.setImageFormat("png");
    def.setShowSignature(false);
    def.setWidth(Math.min(width, 4000));
    def.setHeight(Math.min(height, 4000));
    def.setFilename(RrdGraphConstants.IN_MEMORY_IMAGE);
    def.setTitle("Statistics from " + Util.getDate(start) + " to " + Util.getDate(end));
    def.setTimeSpan(start, end);
    def.setStep(getFetchStep(start, end));
    def.datasource("projects!", rrdPath, "projects!", TOTAL);
    def.datasource("sources!", rrdPath, "sources!", TOTAL);
    def.datasource("processors!", rrdPath, "processors!", TOTAL);
    def.datasource("endpoints!", rrdPath, "endpoints!", TOTAL);
    facets.forEach(k -> {
        final String name = k + "!";
        def.datasource(name, rrdPath, name, TOTAL);
    });
    def.line("projects!", Color.GRAY, "#projects", 2.f);
    def.line("sources!", Color.BLUE, "#sources", 2.f);
    def.line("processors!", Color.CYAN, "#processors", 2.f);
    def.line("endpoints!", Color.GREEN, "#endpoints", 2.f);

    final AtomicInteger lastFacetColor = new AtomicInteger();
    facets.forEach(k -> def.line(k + '!', new Color(100 + lastFacetColor.addAndGet(20) % 255, 0, 0), "#" + k, 2.f));

    return new ByteArrayInputStream(new RrdGraph(def).getRrdGraphInfo().getBytes());
}
 

@ResponseBody
@RequestMapping(value="/monitor/graphs/proc_threads.png", method=RequestMethod.GET, produces=MediaType.IMAGE_PNG_VALUE)
public byte[] procDispatcherThreads() throws IOException {

    final String path = rrdPath(THREAD_RRD);
    final RrdGraphDef graphDef = baseGraph("Proc Dispatcher Queue", "threads/sec");

    graphDef.datasource("linea", path, "procActiveThreads", ConsolFun.AVERAGE);
    graphDef.datasource("lineb", path, "procWaiting", ConsolFun.AVERAGE);
    graphDef.area("lineb", new Color(74, 104, 15), "Queued Work");
    graphDef.line("linea", new Color(152, 175, 54), "Active Threads");

    return createImage(graphDef);
}
 

@ResponseBody
@RequestMapping(value="/monitor/graphs/async_threads.png", method=RequestMethod.GET, produces=MediaType.IMAGE_PNG_VALUE)
public byte[] asyncWorkQueueThreads() throws IOException {

    final String path = rrdPath(THREAD_RRD);
    final RrdGraphDef graphDef = baseGraph("Async Work Queue", "threads/sec");

    graphDef.datasource("linea", path, "asyncActiveThreads", ConsolFun.AVERAGE);
    graphDef.datasource("lineb", path, "asyncWaiting", ConsolFun.AVERAGE);
    graphDef.area("lineb", new Color(74, 104, 15), "Queued Work");
    graphDef.line("linea", new Color(152, 175, 54), "Active Threads");

    return createImage(graphDef);
}
 

/**
 * Adds a line for the item to the graph definition.
 * The color of the line is determined by the counter, it simply picks the according index from LINECOLORS (and
 * rolls over if necessary).
 * 
 * @param graphDef the graph definition to fill
 * @param item the item to add a line for
 * @param counter defines the number of the datasource and is used to determine the line color
 */
protected void addLine(RrdGraphDef graphDef, Item item, int counter) {
    Color color = LINECOLORS[counter % LINECOLORS.length];
    String label = itemUIRegistry.getLabel(item.getName());
    String rrdName = RRD4jService.DB_FOLDER + File.separator + item.getName() + ".rrd";
    ConsolFun consolFun;
    if (label != null && label.contains("[") && label.contains("]")) {
        label = label.substring(0, label.indexOf('['));
    }
    try {
        RrdDb db = new RrdDb(rrdName);
        consolFun = db.getRrdDef().getArcDefs()[0].getConsolFun();
        db.close();
    } catch (IOException e) {
        consolFun = ConsolFun.MAX;
    }
    if (item instanceof NumberItem) {
        // we only draw a line
        graphDef.datasource(Integer.toString(counter), rrdName, "state", consolFun); // RRD4jService.getConsolidationFunction(item));
        graphDef.line(Integer.toString(counter), color, label, 2);
    } else {
        // we draw a line and fill the area beneath it with a transparent color
        graphDef.datasource(Integer.toString(counter), rrdName, "state", consolFun); // RRD4jService.getConsolidationFunction(item));
        Color areaColor = AREACOLORS[counter % LINECOLORS.length];

        graphDef.area(Integer.toString(counter), areaColor);
        graphDef.line(Integer.toString(counter), color, label, 2);
    }
}
 

private NamedList<Object> getDbData(RrdDb db, String[] dsNames, Format format, SolrParams params) throws IOException {
  NamedList<Object> res = new SimpleOrderedMap<>();
  if (dsNames == null || dsNames.length == 0) {
    dsNames = db.getDsNames();
  }
  StringBuilder str = new StringBuilder();
  RrdDef def = db.getRrdDef();
  ArcDef[] arcDefs = def.getArcDefs();
  for (ArcDef arcDef : arcDefs) {
    SimpleOrderedMap<Object> map = new SimpleOrderedMap<>();
    res.add(arcDef.dump(), map);
    Archive a = db.getArchive(arcDef.getConsolFun(), arcDef.getSteps());
    // startTime / endTime, arcStep are in seconds
    FetchRequest fr = db.createFetchRequest(arcDef.getConsolFun(),
        a.getStartTime() - a.getArcStep(),
        a.getEndTime() + a.getArcStep());
    FetchData fd = fr.fetchData();
    if (format != Format.GRAPH) {
      // add timestamps separately from values
      long[] timestamps = fd.getTimestamps();
      if (format == Format.LIST) {
        // Arrays.asList works only on arrays of Objects
        map.add("timestamps", Arrays.stream(timestamps).boxed().collect(Collectors.toList()));
      } else {
        str.setLength(0);
        for (int i = 0; i < timestamps.length; i++) {
          if (i > 0) {
            str.append('\n');
          }
          str.append(String.valueOf(timestamps[i]));
        }
        map.add("timestamps", str.toString());
      }
    }
    SimpleOrderedMap<Object> values = new SimpleOrderedMap<>();
    map.add("values", values);
    for (String name : dsNames) {
      double[] vals = fd.getValues(name);
      switch (format) {
        case GRAPH:
          RrdGraphDef graphDef = new RrdGraphDef();
          graphDef.setTitle(name);
          graphDef.datasource(name, fd);
          graphDef.setStartTime(a.getStartTime() - a.getArcStep());
          graphDef.setEndTime(a.getEndTime() + a.getArcStep());
          graphDef.setPoolUsed(false);
          graphDef.setAltAutoscale(true);
          graphDef.setAltYGrid(true);
          graphDef.setAltYMrtg(true);
          graphDef.setSignature("Apache Solr " + versionString);
          graphDef.setNoLegend(true);
          graphDef.setAntiAliasing(true);
          graphDef.setTextAntiAliasing(true);
          graphDef.setWidth(500);
          graphDef.setHeight(175);
          graphDef.setTimeZone(TimeZone.getDefault());
          graphDef.setLocale(Locale.ROOT);
          // redraw immediately
          graphDef.setLazy(false);
          // area with a border
          graphDef.area(name, new Color(0xffb860), null);
          graphDef.line(name, Color.RED, null, 1.0f);
          RrdGraph graph = new RrdGraph(graphDef);
          BufferedImage bi = new BufferedImage(
              graph.getRrdGraphInfo().getWidth(),
              graph.getRrdGraphInfo().getHeight(),
              BufferedImage.TYPE_INT_RGB);
          graph.render(bi.getGraphics());
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          ImageIO.write(bi, "png", baos);
          values.add(name, Base64.byteArrayToBase64(baos.toByteArray()));
          break;
        case STRING:
          str.setLength(0);
          for (int i = 0; i < vals.length; i++) {
            if (i > 0) {
              str.append('\n');
            }
            str.append(String.valueOf(vals[i]));
          }
          values.add(name, str.toString());
          break;
        case LIST:
          values.add(name, Arrays.stream(vals).boxed().collect(Collectors.toList()));
          break;
      }
    }
  }
  return res;
}