private DatasourcesPopulator(
T wrapped,
Probe<?, ?> defProbe,
ExtractInfo ei,
Map<String, ? extends Plottable> customData,
List<DsDesc> allds,
String name) {
HostsList hl = defProbe.getHostList();
if (wrapped instanceof RrdGraphDef) {
graphDef = (RrdGraphDef) wrapped;
dp = null;
} else if (wrapped instanceof DataProcessor) {
dp = (DataProcessor) wrapped;
graphDef = null;
} else {
throw new RuntimeException();
}
// The datasources already found
Set<String> datasources = new HashSet<String>();
// The needed extractors
Map<Probe<?, ?>, Extractor> probeDS = new HashMap<Probe<?, ?>, Extractor>(1);
probeDS.put(defProbe, defProbe.getMainStore().getExtractor());
for (DsDesc ds : allds) {
boolean complete;
// Not a data source, don't try to add it in datasources
if (!ds.graphType.datasource()) {
complete = true;
}
// The graph is a percentile
else if (ds.percentile != null) {
complete = true;
if (!datasources.contains(ds.name)) {
percentile(ds.name, ds.dsName, ds.percentile);
datasources.add(ds.name);
}
}
// A rpn datasource
else if (ds.rpn != null) {
complete = true;
if (!datasources.contains(ds.name)) {
datasource(ds.name, ds.rpn);
datasources.add(ds.name);
}
}
// A legend
else if (ds.graphType == GraphType.LEGEND) {
complete = true;
}
// Does the datas existe in the provided values
// It override existing values in the probe
else if (customData != null && customData.containsKey(ds.dsName)) {
complete = true;
if (!datasources.contains(ds.name)) {
datasource(ds.name, customData.get(ds.dsName));
datasources.add(ds.name);
logger.trace(delayedFormatString("custom data found for %s", ds.dsName));
}
}
// Last but common case, datasource refers to a rrd
// Or they might be on the associated rrd
else {
Probe<?, ?> probe = defProbe;
if (ds.dspath != null) {
// If the host is not defined, use the current host
String pathHost = ds.dspath.host;
if (pathHost == null) {
pathHost = defProbe.getHost().getName();
}
logger.trace(
delayedFormatString(
"External probe path: %s/%s/%s", pathHost, ds.dspath.probe, ds.dsName));
probe = hl.getProbeByPath(pathHost, ds.dspath.probe);
if (probe == null) {
logger.error("Invalide probe: " + pathHost + "/" + ds.dspath.probe);
continue;
}
}
if (!probe.dsExist(ds.dsName)) {
logger.error("Invalide datasource " + ds.dsName + ", not found in " + probe);
continue;
}
complete = true;
// Add the dsName for the probe found
if (!probeDS.containsKey(probe)) {
probeDS.put(probe, probe.getMainStore().getExtractor());
}
Extractor ex = probeDS.get(probe);
if (!datasources.contains(ds.name)) {
ex.addSource(ds.name, ds.dsName);
datasources.add(ds.name);
} else {
logger.error(
"Datasource '" + ds.dsName + "' defined twice in " + name + ", for found: " + ds);
}
}
if (complete) {
toDo.add(ds);
} else {
logger.debug("Error for " + ds);
logger.error("No way to plot " + ds.name + " in " + name + " found");
}
}
// Fill the graphdef with extracted data
for (Extractor x : probeDS.values()) {
if (graphDef != null) {
x.fill(graphDef, ei);
} else {
x.fill(dp, ei);
}
x.release();
}
logger.trace(delayedFormatString("Datasource: %s", datasources));
if (graphDef != null) {
logger.trace(delayedFormatString("Todo: : %s", toDo));
}
}
/**
* Fill a GraphDef with values as defined by the graph desc
*
* @param graphDef the GraphDef to configure
* @param defProbe The probe to get values from
* @param customData some custom data, they override existing values in the associated probe
*/
public void fillGraphDef(
RrdGraphDef graphDef, Probe<?, ?> defProbe, Map<String, ? extends Plottable> customData) {
HostsList hl = defProbe.getHostList();
List<DsDesc> toDo = new ArrayList<DsDesc>();
// The datasources already found
Set<String> datasources = new HashSet<String>();
for (DsDesc ds : allds) {
boolean complete = false;
// not a data source, don't try to add it in datasources
if (!ds.graphType.datasource()) {
complete = true;
}
// The graph is a percentile
else if (ds.percentile != null) {
complete = true;
graphDef.percentile(ds.name, ds.dsName, ds.percentile);
datasources.add(ds.name);
}
// A rpn datasource
else if (ds.rpn != null) {
complete = true;
if (!datasources.contains(ds.name)) {
graphDef.datasource(ds.name, ds.rpn);
datasources.add(ds.name);
}
} else if (ds.graphType == GraphType.LEGEND) {
complete = true;
}
// Does the datas existe in the provided values
// It override existing values in the probe
else if (customData != null && customData.containsKey(ds.dsName)) {
complete = true;
if (!datasources.contains(ds.name)) {
graphDef.datasource(ds.name, customData.get(ds.dsName));
datasources.add(ds.name);
logger.trace(Util.delayedFormatString("custom data found for %s", ds.dsName));
}
}
// Last but common case, datasource refers to a rrd
// Or they might be on the associated rrd
else {
Probe<?, ?> probe = defProbe;
if (ds.dspath != null) {
if (logger.isTraceEnabled())
logger.trace(
"External probe path: " + ds.dspath.host + "/" + ds.dspath.probe + "/" + ds.dsName);
probe = hl.getProbeByPath(ds.dspath.host, ds.dspath.probe);
if (probe == null) {
logger.error("Invalide probe: " + ds.dspath.host + "/" + ds.dspath.probe);
continue;
}
}
if (!probe.dsExist(ds.dsName)) {
logger.error("Invalide datasource " + ds.dsName + ", not found in " + probe);
continue;
}
complete = true;
if (!datasources.contains(ds.name)) {
String rrdName = probe.getRrdName();
graphDef.datasource(ds.name, rrdName, ds.dsName, ds.cf);
datasources.add(ds.name);
} else {
logger.error(
"Datasource '" + ds.name + "' defined twice in " + name + ", for found: " + ds);
}
}
if (complete) {
toDo.add(ds);
} else {
logger.debug("Error for " + ds);
logger.error("No way to plot " + ds.name + " in " + name + " found");
}
}
// The title line, only if values block is required
if (withSummary) {
graphDef.comment(""); // We simulate the color box
graphDef.comment(MANYSPACE.substring(0, Math.min(maxLengthLegend, MANYSPACE.length()) + 2));
graphDef.comment("Current");
graphDef.comment(" Average");
graphDef.comment(" Minimum");
graphDef.comment(" Maximum");
graphDef.comment("\\l");
}
if (logger.isTraceEnabled()) {
logger.trace("Datasource: " + datasources);
logger.trace("Todo: " + toDo);
}
String shortLegend = withSummary ? " \\g" : null;
for (DsDesc ds : toDo) {
ds.graphType.draw(graphDef, ds.name, ds.color, shortLegend);
if (withSummary && ds.graphType.legend())
addLegend(graphDef, ds.name, ds.graphType, ds.legend);
}
}
