| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.edgent.console.servlets; |
| |
| import java.lang.management.ManagementFactory; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import javax.management.AttributeNotFoundException; |
| import javax.management.InstanceNotFoundException; |
| import javax.management.IntrospectionException; |
| import javax.management.MBeanAttributeInfo; |
| import javax.management.MBeanException; |
| import javax.management.MBeanInfo; |
| import javax.management.MBeanServer; |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectInstance; |
| import javax.management.ObjectName; |
| import javax.management.ReflectionException; |
| |
| import org.apache.edgent.console.servlets.MetricsGson.OpMetric; |
| import org.apache.edgent.console.servlets.MetricsGson.Operator; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| final class MetricsUtil { |
| |
| static MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer(); |
| private static final Logger logger = LoggerFactory.getLogger(MetricsUtil.class); |
| |
| static Iterator<ObjectInstance> getCounterObjectIterator(String jobId) { |
| ObjectName counterObjName = null; |
| StringBuffer sbuf = new StringBuffer(); |
| sbuf.append("*:jobId=" + jobId); |
| sbuf.append(",type=metric.counters,*"); |
| |
| // i.e, edgent.providers.development:jobId=JOB-0,opId=OP_4,name=TupleRateMeter.edgent.oplet.JOB_0.OP_4,type=metric.meters |
| try { |
| counterObjName = new ObjectName(sbuf.toString()); |
| } catch (MalformedObjectNameException e) { |
| logger.error("Error caught while initializing ObjectName", e); |
| } |
| Set<ObjectInstance> counterInstances = mBeanServer.queryMBeans(counterObjName, null); |
| return counterInstances.iterator(); |
| |
| } |
| static Iterator<ObjectInstance> getMeterObjectIterator(String jobId) { |
| ObjectName meterObjName = null; |
| |
| StringBuffer sbuf1 = new StringBuffer(); |
| sbuf1.append("*:jobId=" + jobId); |
| sbuf1.append(",type=metric.meters,*"); |
| |
| try { |
| meterObjName = new ObjectName(sbuf1.toString()); |
| } catch (MalformedObjectNameException e) { |
| logger.error("Error caught while initializing ObjectName", e); |
| } |
| |
| |
| Set<ObjectInstance> meterInstances = mBeanServer.queryMBeans(meterObjName, null); |
| // return only those beans that are part of the job |
| return meterInstances.iterator(); |
| } |
| |
| static MetricsGson getAvailableMetricsForJob(String jobId, Iterator<ObjectInstance> meterIterator, Iterator<ObjectInstance> counterIterator) { |
| MetricsGson gsonJob = new MetricsGson(); |
| ArrayList<Operator> counterOps = new ArrayList<Operator>(); |
| gsonJob.setJobId(jobId); |
| while (meterIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance meterInstance = (ObjectInstance)meterIterator.next(); |
| ObjectName mObjName = meterInstance.getObjectName(); |
| String opName = mObjName.getKeyProperty("opId"); |
| |
| Operator anOp = null; |
| if (!opName.equals("")) { |
| MBeanInfo mBeanInfo = null; |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(mObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.type = "meter"; |
| aMetric.name = attributeInfo.getName(); |
| |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(mObjName, aMetric.name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| |
| // if the op associated with this metric is not in the job add it |
| if (!gsonJob.isOpInJob(opName)) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName; |
| counterOps.add(anOp); |
| metrics = new ArrayList<OpMetric>(); |
| } |
| metrics.add(aMetric); |
| } |
| gsonJob.setOpMetrics(anOp, metrics); |
| } |
| } |
| |
| while (counterIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance counterInstance = (ObjectInstance)counterIterator.next(); |
| ObjectName cObjName = counterInstance.getObjectName(); |
| String opName1 = cObjName.getKeyProperty("opId"); |
| |
| Operator anOp = null; |
| if (!opName1.equals("")) { |
| MBeanInfo mBeanInfo = null; |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(cObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.type = "counter"; |
| aMetric.name = attributeInfo.getName(); |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(cObjName, aMetric.name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| Operator theOp = gsonJob.getOp(opName1); |
| if (theOp == null) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName1; |
| metrics = new ArrayList<OpMetric>(); |
| gsonJob.setOpMetrics(anOp, metrics); |
| } else { |
| // get the op |
| metrics = theOp.metrics; |
| } |
| metrics.add(aMetric); |
| } |
| } |
| } |
| |
| return gsonJob; |
| |
| } |
| |
| /** |
| * Get all the rate metrics, i.e, one minute rate, fifteen minute rate, mean rate, etc for a job |
| * @param job id (e.g, "JOB_0") |
| * |
| * @return all metrics for this job if there are any |
| */ |
| static MetricsGson getAllRateMetrics(String jobId) { |
| MetricsGson gsonJob = new MetricsGson(); |
| gsonJob.setJobId(jobId); |
| |
| Iterator<ObjectInstance> meterIterator = MetricsUtil.getMeterObjectIterator(jobId); |
| while (meterIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance meterInstance = (ObjectInstance)meterIterator.next(); |
| ObjectName mObjName = meterInstance.getObjectName(); |
| //i.e, edgent.providers.development:jobId=JOB-0,opId=OP_4,name=TupleRateMeter.edgent.oplet.JOB_0.OP_4,type=metric.meters |
| String jobName = mObjName.getKeyProperty("jobId"); |
| String opName = mObjName.getKeyProperty("opId"); |
| Operator anOp = null; |
| |
| if (jobId.equals(jobName)) { |
| MBeanInfo mBeanInfo = null; |
| |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(mObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| String name = attributeInfo.getName(); |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.name = name; |
| aMetric.type = attributeInfo.getType(); |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(mObjName, name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| if (!gsonJob.isOpInJob(opName)) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName; |
| metrics = new ArrayList<OpMetric>(); |
| gsonJob.setOpMetrics(anOp, metrics); |
| } else { |
| anOp = gsonJob.getOp(opName); |
| metrics = anOp.metrics; |
| } |
| metrics.add(aMetric); |
| } |
| } |
| } |
| |
| Iterator<ObjectInstance> counterIterator = MetricsUtil.getCounterObjectIterator(jobId); |
| while (counterIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance counterInstance = (ObjectInstance)counterIterator.next(); |
| ObjectName cObjName = counterInstance.getObjectName(); |
| String opName1 = cObjName.getKeyProperty("opId"); |
| |
| Operator anOp = null; |
| if (!opName1.equals("")) { |
| MBeanInfo mBeanInfo = null; |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(cObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.type = "counter"; |
| aMetric.name = attributeInfo.getName(); |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(cObjName, aMetric.name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| Operator theOp = gsonJob.getOp(opName1); |
| if (theOp == null) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName1; |
| metrics = new ArrayList<OpMetric>(); |
| gsonJob.setOpMetrics(anOp, metrics); |
| } else { |
| // get the op |
| metrics = theOp.metrics; |
| } |
| metrics.add(aMetric); |
| } |
| } |
| } |
| return gsonJob; |
| } |
| // format for metricName is "name:RateUnit,type:meter" |
| static MetricsGson getMetric(String jobId, String metricName, Iterator<ObjectInstance> metricIterator, Iterator<ObjectInstance> counterIterator) { |
| |
| MetricsGson gsonJob = new MetricsGson(); |
| gsonJob.setJobId(jobId); |
| String[] desiredParts = metricName.split(","); |
| String[] nameA = new String[2]; |
| String desName = ""; |
| if (!desiredParts[0].equals("")) { |
| nameA = desiredParts[0].split(":"); |
| desName = nameA[1]; |
| } |
| |
| while (metricIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance meterInstance = (ObjectInstance)metricIterator.next(); |
| ObjectName mObjName = meterInstance.getObjectName(); |
| //i.e, edgent.providers.development:jobId=JOB-0,opId=OP_4,name=TupleRateMeter.edgent.oplet.JOB_0.OP_4,type=metric.meters |
| String jobName = mObjName.getKeyProperty("jobId"); |
| String opName = mObjName.getKeyProperty("opId"); |
| Operator anOp = null; |
| |
| if (jobId.equals(jobName)) { |
| MBeanInfo mBeanInfo = null; |
| |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(mObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| String name = attributeInfo.getName(); |
| if(name.equals(desName)) { |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.name = name; |
| aMetric.type = attributeInfo.getType(); |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(mObjName, name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| if (!gsonJob.isOpInJob(opName)) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName; |
| metrics = new ArrayList<OpMetric>(); |
| gsonJob.setOpMetrics(anOp, metrics); |
| } else { |
| anOp = gsonJob.getOp(opName); |
| metrics = anOp.metrics; |
| } |
| metrics.add(aMetric); |
| } |
| } |
| } |
| } |
| |
| while (counterIterator.hasNext()) { |
| ArrayList<OpMetric> metrics = null; |
| ObjectInstance counterInstance = (ObjectInstance)counterIterator.next(); |
| ObjectName cObjName = counterInstance.getObjectName(); |
| String jobName1 = cObjName.getKeyProperty("jobId"); |
| String opName1 = cObjName.getKeyProperty("opId"); |
| |
| |
| Operator anOp = null; |
| if (jobId.equals(jobName1)) { |
| MBeanInfo mBeanInfo = null; |
| |
| try { |
| mBeanInfo = mBeanServer.getMBeanInfo(cObjName); |
| } catch (IntrospectionException | InstanceNotFoundException | ReflectionException e) { |
| logger.error("Exception caught while getting MBeanInfo", e); |
| } |
| |
| for (MBeanAttributeInfo attributeInfo : mBeanInfo.getAttributes()) { |
| String name = attributeInfo.getName(); |
| |
| if(name.equals(desName)) { |
| OpMetric aMetric = gsonJob.new OpMetric(); |
| aMetric.name = name; |
| aMetric.type = attributeInfo.getType(); |
| try { |
| aMetric.value = String.valueOf(mBeanServer.getAttribute(cObjName, name)); |
| } catch (AttributeNotFoundException | InstanceNotFoundException | MBeanException |
| | ReflectionException e) { |
| logger.error("Exception caught while accessing MBean", e); |
| } |
| if (!gsonJob.isOpInJob(opName1)) { |
| anOp = gsonJob.new Operator(); |
| gsonJob.addOp(anOp); |
| anOp.opId = opName1; |
| metrics = new ArrayList<OpMetric>(); |
| gsonJob.setOpMetrics(anOp, metrics); |
| } else { |
| anOp = gsonJob.getOp(opName1); |
| metrics = anOp.metrics; |
| } |
| metrics.add(aMetric); |
| } |
| } |
| } |
| } |
| return gsonJob; |
| } |
| } |