private void parseGPrint(String word) {
String[] tokens = new ColonSplitter(word).split();
if (tokens.length != 4) {
throw new IllegalArgumentException("Invalid GPRINT specification: " + word);
}
gdef.gprint(tokens[1], ConsolFun.valueOf(tokens[2]), tokens[3]);
}
private void parseDef(String word) {
String[] tokens1 = new ColonSplitter(word).split();
if (tokens1.length != 4) {
throw new IllegalArgumentException("Invalid DEF specification: " + word);
}
String[] tokens2 = tokens1[1].split("=");
if (tokens2.length != 2) {
throw new IllegalArgumentException("Invalid DEF specification: " + word);
}
gdef.datasource(tokens2[0], tokens2[1], tokens1[2], ConsolFun.valueOf(tokens1[3]));
}
private void parseRra(String word) {
// RRA:cfun:xff:steps:rows
String[] tokens = new ColonSplitter(word).split();
if (tokens.length < 5) {
throw new IllegalArgumentException("Invalid RRA definition: " + word);
}
ConsolFun cf = ConsolFun.valueOf(tokens[1]);
double xff = parseDouble(tokens[2]);
int steps = parseInt(tokens[3]);
int rows = parseInt(tokens[4]);
rrdDef.addArchive(cf, xff, steps, rows);
}
@GET
@Produces({MediaType.APPLICATION_JSON})
public Response getChartSeries(
@Context HttpHeaders headers,
@QueryParam("rrd") String itemName,
@QueryParam("ds") String consFunction,
@QueryParam("start") String start,
@QueryParam("end") String end,
@QueryParam("res") long resolution) {
if (logger.isDebugEnabled()) {
logger.debug("Received GET request at '{}' for rrd '{}'.", uriInfo.getPath(), itemName);
}
String responseType = MediaType.APPLICATION_JSON;
// RRD specific: no equivalent in PersistenceService known
ConsolFun consilidationFunction = ConsolFun.valueOf(consFunction);
// read the start/end time as they are provided in the RRD-way, we use
// the RRD4j to read them
long[] times = Util.getTimestamps(start, end);
Date startTime = new Date();
startTime.setTime(times[0] * 1000L);
Date endTime = new Date();
endTime.setTime(times[1] * 1000L);
if (itemName.endsWith(".rrd")) {
itemName = itemName.substring(0, itemName.length() - 4);
}
String[] parts = itemName.split(":");
String service = "rrd4j";
if (parts.length == 2) {
itemName = parts[1];
service = parts[0];
}
Item item;
try {
item = itemRegistry.getItem(itemName);
logger.debug("item '{}' found ", item);
// Prefer RRD-Service
QueryablePersistenceService persistenceService = getPersistenceServices().get(service);
// Fallback to first persistenceService from list
if (persistenceService == null) {
Iterator<Entry<String, QueryablePersistenceService>> pit =
getPersistenceServices().entrySet().iterator();
if (pit.hasNext()) {
persistenceService = pit.next().getValue();
} else {
throw new IllegalArgumentException("No Persistence service found.");
}
}
Object data = null;
if (persistenceService.getId().equals("rrd4j")) {
data =
getRrdSeries(
persistenceService, item, consilidationFunction, startTime, endTime, resolution);
} else {
data = getPersistenceSeries(persistenceService, item, startTime, endTime, resolution);
}
return Response.ok(data, responseType).build();
} catch (ItemNotFoundException e1) {
logger.error("Item '{}' not found error while requesting series data.", itemName);
}
return Response.serverError().build();
}
/**
* Add a plot, but only uses String as parameters, for the GraphFactory
*
* @param name Name of the plot
* @param dsName the datastore to use
* @param rpn The RPN, used instead of the datastore
* @param graphType
* @param color
* @param legend
* @param consFunc
* @param reversed
* @param host
* @param probe
* @param subDsName
*/
public void add(
String name,
String rpn,
String graphType,
String color,
String legend,
String consFunc,
String reversed,
String percentile,
// The path to an external datastore
String host,
String probe,
String dsName) {
if (logger.isTraceEnabled())
logger.trace(
"Adding " + name + ", " + rpn + ", " + graphType + ", " + color + ", " + legend + ", "
+ consFunc + ", " + reversed + ", " + host + ", " + probe);
GraphType gt = null;
if (graphType == null || "".equals(graphType)) {
if (legend != null) gt = GraphType.COMMENT;
else gt = GraphType.NONE;
} else gt = GraphType.valueOf(graphType.toUpperCase());
ConsolFun cf = null;
if (gt != GraphType.COMMENT) {
cf = DEFAULTCF;
if (consFunc != null && !"".equals(consFunc)) cf = ConsolFun.valueOf(consFunc.toUpperCase());
}
Color c = null;
if (gt.toPlot()) {
c = Color.WHITE;
if (color != null && color.toUpperCase().matches("^#[0-9A-F]{6}")) {
int r = Integer.parseInt(color.substring(1, 3), 16);
int g = Integer.parseInt(color.substring(3, 5), 16);
int b = Integer.parseInt(color.substring(5, 7), 16);
c = new Color(r, g, b);
} else if (color != null && !"".equals(color)) {
c = Colors.valueOf(color.toUpperCase()).getColor();
if (c == null) c = Color.getColor(color);
if (c == null) {
logger.error("Cannot read color " + color);
c = Color.white;
}
} else {
c = Colors.resolveIndex(lastColor);
if (gt.toPlot()) lastColor++;
}
}
if (name != null) {
// If not a rpn, it must be a datastore
if (gt.datasource() && rpn == null && dsName == null) {
dsName = name;
}
}
// If the name is missing, generate one ?
else {
name = Integer.toHexString((int) (Math.random() * Integer.MAX_VALUE));
}
// Auto generated legend
if (legend == null && name != null && gt.legend()) legend = name;
Integer valPercentile = null;
if (percentile != null && !"".equals(percentile)) {
valPercentile = jrds.Util.parseStringNumber(percentile, Integer.valueOf(0));
}
add(name, dsName, rpn, gt, c, legend, cf, reversed != null, valPercentile, host, probe);
}