@Override
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> requests)
throws Exception {
Set<MeasurementScheduleRequest> metrics =
new HashSet<MeasurementScheduleRequest>(requests.size());
for (MeasurementScheduleRequest request : requests) {
if (request.getName().equals("connectionAvailable")) {
report.addData(getConnectionAvailable(request));
} else if (request.getName().equals(MAX_POOL_SIZE_ATTRIBUTE)) {
getRCAsMetric(report, request);
} else if (request.getName().equals(MIN_POOL_SIZE_ATTRIBUTE)) {
getRCAsMetric(report, request);
} else {
metrics.add(request);
}
}
/*
* Remainder here are metrics that can be read from the resource.
* Those
*/
ReadResource op = new ReadResource(address);
op.includeRuntime(true);
op.recursive(true);
ComplexResult res = getASConnection().executeComplex(op);
if (!res.isSuccess()) return;
Map<String, Object> results = new HashMap<String, Object>();
@SuppressWarnings("unchecked")
Map<String, Map<String, Object>> statistics =
(Map<String, Map<String, Object>>) res.getResult().get("statistics");
if (statistics != null) {
results.putAll(statistics.get("pool"));
results.putAll(statistics.get("jdbc"));
for (MeasurementScheduleRequest metric : metrics) {
String name = metric.getName();
Object o = results.get(name);
if (o != null) {
Double val;
if (o instanceof Integer) {
val = ((Integer) o).doubleValue();
} else if (o instanceof Double) {
val = (Double) o;
} else {
String tmp = (String) o;
val = Double.valueOf(tmp);
}
MeasurementDataNumeric data = new MeasurementDataNumeric(metric, val);
report.addData(data);
}
}
}
}
private void getRCAsMetric(MeasurementReport report, MeasurementScheduleRequest request) {
ReadMetricResult result = getMetricValue(report, request, EXPRESSION_METRICS);
if (result.equals(ReadMetricResult.Null)) { // server
Double val = Double.valueOf(-1);
if (request.getName().equals(MAX_POOL_SIZE_ATTRIBUTE))
val = Double.valueOf(20); // The default value
else if (request.getName().equals(MIN_POOL_SIZE_ATTRIBUTE))
val = Double.valueOf(0); // The default value
MeasurementDataNumeric data = new MeasurementDataNumeric(request, val);
report.addData(data);
}
}
@Override
protected void getValues(
ManagedComponent managedComponent,
MeasurementReport report,
Set<MeasurementScheduleRequest> metrics)
throws Exception {
Set<MeasurementScheduleRequest> uncollectedMetrics = new HashSet<MeasurementScheduleRequest>();
for (MeasurementScheduleRequest request : metrics) {
String metricName = request.getName();
if (metricName.equals("custom.connectionAvailable")) {
try {
Configuration parameters = new Configuration();
OperationResult result = invokeOperation(managedComponent, "testConnection", parameters);
PropertySimple resultProp = result.getComplexResults().getSimple("result");
boolean connectionAvailable = resultProp.getBooleanValue();
MeasurementDataTrait trait =
new MeasurementDataTrait(request, connectionAvailable ? "yes" : "no");
report.addData(trait);
} catch (Exception e) {
log.error("Failed to collect trait [" + metricName + "].", e);
}
} else {
uncollectedMetrics.add(request);
}
}
super.getValues(managedComponent, report, uncollectedMetrics);
}
/**
* Gather measurement data
*
* @see
* org.rhq.core.pluginapi.measurement.MeasurementFacet#getValues(org.rhq.core.domain.measurement.MeasurementReport,
* java.util.Set)
*/
@Override
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) {
boolean trace = log.isTraceEnabled();
if (trace) log.trace("Get values metrics");
for (MeasurementScheduleRequest req : metrics) {
if (trace) log.trace("Inspect metric " + req);
String metric = req.getName();
try {
EmsBean bean = queryComponentBean(metric);
if (bean != null) {
if (trace) log.trace("Retrieved mbean with name " + bean.getBeanName());
bean.refreshAttributes();
String attName = metric.substring(metric.indexOf(".") + 1);
EmsAttribute att = bean.getAttribute(attName);
// Attribute values are of various data types
if (att != null) {
Object o = att.getValue();
Class<?> attrType = att.getTypeClass();
DataType type = req.getDataType();
if (type == DataType.MEASUREMENT) {
if (o != null) {
MeasurementDataNumeric res = constructNumericMeasure(attrType, o, req);
if (res != null) report.addData(res);
} else {
if (log.isDebugEnabled())
log.debug("Metric (" + req.getName() + ") has null value, do not add to report");
}
} else if (type == DataType.TRAIT) {
String value = (String) o;
if (trace) log.trace("Metric (" + req.getName() + ") is trait with value " + value);
MeasurementDataTrait res = new MeasurementDataTrait(req, value);
report.addData(res);
}
} else {
if (log.isWarnEnabled()) {
log.warn("Attribute " + attName + " not found");
}
}
}
} catch (Exception e) {
if (log.isWarnEnabled()) {
log.warn("getValues failed for " + metric, e);
}
}
}
}
/**
* Gather measurement data
*
* @see
* org.rhq.core.pluginapi.measurement.MeasurementFacet#getValues(org.rhq.core.domain.measurement.MeasurementReport,
* java.util.Set)
*/
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics)
throws Exception {
for (MeasurementScheduleRequest req : metrics) {
if (req.getName().startsWith(INTERNAL)) processPluginStats(req, report);
else {
// Metrics from the application server
Operation op = new ReadAttribute(address, req.getName()); // TODO batching
Result res = connection.execute(op, false);
if (!res.isSuccess()) {
log.warn(
"Getting metric ["
+ req.getName()
+ "] at [ "
+ address
+ "] failed: "
+ res.getFailureDescription());
continue;
}
String val = (String) res.getResult();
if (val
== null) // One of the AS7 ways of telling "This is not implemented" See also AS7-1454
continue;
if (req.getDataType() == DataType.MEASUREMENT) {
if (!val.equals("no metrics available")) { // AS 7 returns this
try {
Double d = Double.parseDouble(val);
MeasurementDataNumeric data = new MeasurementDataNumeric(req, d);
report.addData(data);
} catch (NumberFormatException e) {
log.warn("Non numeric input for [" + req.getName() + "] : [" + val + "]");
}
}
} else if (req.getDataType() == DataType.TRAIT) {
MeasurementDataTrait data = new MeasurementDataTrait(req, val);
report.addData(data);
}
}
}
}
/**
* Return internal statistics data
*
* @param req Schedule for the requested data
* @param report report to add th data to.
*/
private void processPluginStats(MeasurementScheduleRequest req, MeasurementReport report) {
String name = req.getName();
if (!name.startsWith(INTERNAL)) return;
name = name.substring(INTERNAL_SIZE);
PluginStats stats = PluginStats.getInstance();
MeasurementDataNumeric data;
Double val;
if (name.equals("mgmtRequests")) {
val = (double) stats.getRequestCount();
} else if (name.equals("requestTime")) {
val = (double) stats.getRequestTime();
} else if (name.equals("maxTime")) {
val = (double) stats.getMaxTime();
} else val = Double.NaN;
data = new MeasurementDataNumeric(req, val);
report.addData(data);
}
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics) {
if (cpuInformation != null) {
cpuInformation.refresh();
Cpu cpu = null;
CpuEntry currentCpu = null;
CpuInfo cpuInfo = null; // this is probably gonna be used for traits only
for (MeasurementScheduleRequest request : metrics) {
String property = request.getName();
if (property.startsWith("Cpu.")) {
// Grab the current cpu info from SIGAR, only once for this cpu for all processed
// schedules
if (cpu == null) {
cpu = cpuInformation.getCpu();
}
property = property.substring(property.indexOf(".") + 1);
Long longValue = (Long) ObjectUtil.lookupAttributeProperty(cpu, property);
// A value of -1 indicates SIGAR does not support the metric on the Agent platform type.
if (longValue != null && longValue != -1) {
report.addData(new MeasurementDataNumeric(request, longValue.doubleValue()));
}
} else if (property.startsWith("CpuPerc.")) {
/*
* ! we no longer use the SIGAR CpuPerc object to report cpu percentage metrics. See
* ! RHQ-245 for an explanation. We now calculate our own percentages using
* ! the current raw cpu info from Sigar and the previous cpu numbers, cached per metric.
* ! This allows us to avoid the problem in RHQ-245 while handling perCpu-perMetric schedule
* ! granularity.
*/
// Grab the current cpu info from SIGAR, only once for this cpu for all processed
// schedules
if (null == cpu) {
cpu = cpuInformation.getCpu();
}
// Create a Cpu cacheEntry only once for this cpu for all processed schedules
if (null == currentCpu) {
currentCpu = new CpuEntry(cpu);
}
// Get the previous cpu numbers to be used for this metric and update the cache for the
// next go.
CpuEntry previousCpu = cpuCache.put(property, currentCpu);
previousCpu = (null == previousCpu) ? startCpuEntry : previousCpu;
// if for some reason the delta time is excessive then toss
// the metric, since it depends on a reasonable interval between
// prev and curr. This can happen due to avail down or a newly
// activated metric. Allow up to twice the metric interval.
Number num = null;
long deltaTime = currentCpu.getTimestamp() - previousCpu.getTimestamp();
if (deltaTime <= (2 * request.getInterval())) {
// Use the same calculation that SIGAR uses to generate the percentages. The difference
// is that
// we use a safe "previous" cpu record.
num = getPercentage(previousCpu.getCpu(), cpu, property);
}
// Uncomment to see details about the calculations.
// System.out.println("\nCPU-" + cpuInformation.getCpuIndex() + " Interval="
// + ((currentCpu.getTimestamp() - previousCpu.getTimestamp()) / 1000) + " " + property
// + "="
// + num + "\n Prev=" + previousCpu + "\n Curr=" + currentCpu);
if (num != null) {
report.addData(new MeasurementDataNumeric(request, num.doubleValue()));
}
} else if (property.startsWith("CpuInfo.")) {
if (cpuInfo == null) {
cpuInfo = cpuInformation.getCpuInfo();
}
property = property.substring(property.indexOf(".") + 1);
Number num = ((Number) ObjectUtil.lookupAttributeProperty(cpuInfo, property));
if (num != null) {
report.addData(new MeasurementDataNumeric(request, num.doubleValue()));
}
} else if (property.startsWith("CpuTrait.")) {
if (cpuInfo == null) {
cpuInfo = cpuInformation.getCpuInfo();
}
property = property.substring(property.indexOf(".") + 1);
Object o = ObjectUtil.lookupAttributeProperty(cpuInfo, property);
if (o != null) {
String res;
if ("model".equals(property) || "vendor".equals(property)) {
res = (String) o;
} else {
res = String.valueOf(o);
}
report.addData(new MeasurementDataTrait(request, res));
}
}
}
}
return;
}
@Override
public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> metrics)
throws Exception {
// we'll handling the rest of the metrics using the super method, but we may leave out some of
// the requests
// if we handle them here. Right now, just use the obtained set. We only create a copy of the
// (unmodifiable) set
// of requests if necessary.
Set<MeasurementScheduleRequest> metricsToPassDown = metrics;
for (MeasurementScheduleRequest request : metrics) {
if (request.getDataType() == DataType.CALLTIME) {
ensureGlobalEJB3StatisticsEnabled();
// make a copy to pass down to super class if necessary
if (metricsToPassDown == metrics) {
metricsToPassDown = new HashSet<MeasurementScheduleRequest>(metrics);
}
metricsToPassDown.remove(request);
// handle this ourselves
// the name of the metric is actually the name of the stat collected for each method. we
// then provide
// the calltime data for each method.
Result result = getASConnection().execute(new ReadAttribute(address, METHODS_ATTRIBUTE));
Object value = result.getResult();
if (value instanceof Map) {
@SuppressWarnings("unchecked")
Map<String, Map<String, Number>> allMethodStats =
(Map<String, Map<String, Number>>) value;
if (allMethodStats.isEmpty()) {
continue;
}
// first we need to know since when the values were collected
result =
getASConnection()
.execute(new ReadAttribute(RUNTIME_MBEAN_ADDRESS, START_TIME_ATTRIBUTE));
long serverStartTime = (Long) result.getResult();
// now process the calltime value
String requestedMetric = request.getName().substring(CALLTIME_METRIC_NAME_PREFIX_LENGTH);
Stats lastCollection =
getLastCallTimeCollection(requestedMetric, allMethodStats, serverStartTime);
Stats thisCollection =
Stats.fromMap(
allMethodStats, requestedMetric, System.currentTimeMillis(), serverStartTime);
CallTimeData callTime = new CallTimeData(request);
fillCallTimeData(callTime, thisCollection, lastCollection);
saveCallTimeCollection(requestedMetric, thisCollection);
report.addData(callTime);
} else {
OSGiVersion currentAsVersion = getASVersion();
if (currentAsVersion == null) {
getLog()
.warn(
"Could not determine the AS version while reporting unexpected result of method"
+ " stats. Request: "
+ request);
} else if (FIRST_VERSION_SUPPORTING_METHOD_STATS.compareTo(currentAsVersion) <= 0) {
getLog()
.error(
"Unexpected type of results when querying method stats for measurement request "
+ request
+ ". Expected map but got "
+ (value == null ? "null" : value.getClass().getName()));
}
}
}
}
super.getValues(report, metricsToPassDown);
}