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MidpointAspect.java
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MidpointAspect.java
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/*
* Copyright (c) 2010-2013 Evolveum
*
* Licensed 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 com.evolveum.midpoint.util.aspect;
import java.util.concurrent.atomic.AtomicInteger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.MDC;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import com.evolveum.midpoint.util.PrettyPrinter;
/**
* In this class, we define some Pointcuts in AOP meaning that will provide join points for most common
* methods used in main midPoint subsystems. We wrap these methods with profiling wrappers.
*
* This class also serves another purpose - it is used for basic Method Entry/Exit or args profiling,
* results from which are dumped to idm.log (by default)
*
* @author shood
* */
@Aspect
@Order(value = Ordered.HIGHEST_PRECEDENCE)
public class MidpointAspect {
private static AtomicInteger idcounter = new AtomicInteger(0);
// This logger provide profiling informations
private static final org.slf4j.Logger LOGGER_PROFILING = org.slf4j.LoggerFactory.getLogger("PROFILING");
//private static Trace LOGGER = TraceManager.getTrace(MidpointAspect.class);
//Defines status of Aspect based profiling
private static boolean isProfilingActive = false;
private static final String MDC_SUBSYSTEM_KEY = "subsystem";
public static final String INDENT_STRING = " ";
//Subsystems
public static final String SUBSYSTEM_REPOSITORY = "REPOSITORY";
public static final String SUBSYSTEM_TASKMANAGER = "TASKMANAGER";
public static final String SUBSYSTEM_PROVISIONING = "PROVISIONING";
public static final String SUBSYSTEM_RESOURCEOBJECTCHANGELISTENER = "RESOURCEOBJECTCHANGELISTENER";
public static final String SUBSYSTEM_MODEL = "MODEL";
public static final String SUBSYSTEM_UCF = "UCF";
public static final String SUBSYSTEM_WORKFLOW = "WORKFLOW";
public static final String[] SUBSYSTEMS = { SUBSYSTEM_REPOSITORY, SUBSYSTEM_TASKMANAGER, SUBSYSTEM_PROVISIONING,
SUBSYSTEM_RESOURCEOBJECTCHANGELISTENER, SUBSYSTEM_MODEL, SUBSYSTEM_UCF };
@Around("entriesIntoRepository()")
public Object processRepositoryNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_REPOSITORY);
}
@Around("entriesIntoModel()")
public Object processModelNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_MODEL);
}
@Around("entriesIntoProvisioning()")
public Object processProvisioningNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_PROVISIONING);
}
@Around("entriesIntoTaskManager()")
public Object processTaskManagerNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_TASKMANAGER);
}
@Around("entriesIntoUcf()")
public Object processUcfNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_UCF);
}
@Around("entriesIntoResourceObjectChangeListener()")
public Object processResourceObjectChangeListenerNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_RESOURCEOBJECTCHANGELISTENER);
}
@Around("entriesIntoWorkflow()")
public Object proccessWorkflowNdc(ProceedingJoinPoint pjp) throws Throwable {
return wrapSubsystem(pjp, SUBSYSTEM_WORKFLOW);
}
// This is made public to use in testing
public static String swapSubsystemMark(String subsystemName) {
String prev = MDC.get(MDC_SUBSYSTEM_KEY);
if (subsystemName == null) {
MDC.remove(MDC_SUBSYSTEM_KEY);
} else {
MDC.put(MDC_SUBSYSTEM_KEY, subsystemName);
}
return prev;
}
private Object wrapSubsystem(ProceedingJoinPoint pjp, String subsystem) throws Throwable {
Object retValue = null;
String prev = null;
int id = 0;
int d = 1;
boolean exc = false;
String excName = null;
long elapsed;
// Profiling start
long startTime = System.nanoTime();
final StringBuilder infoLog = new StringBuilder("#### Entry: ");
try {
// Marking MDC->Subsystem with current one subsystem and mark
// previous
prev = swapSubsystemMark(subsystem);
if (LOGGER_PROFILING.isDebugEnabled()) {
id = idcounter.incrementAndGet();
infoLog.append(id);
}
if (LOGGER_PROFILING.isTraceEnabled()) {
String depth = MDC.get("depth");
if (depth == null || depth.isEmpty()) {
d = 0;
} else {
d = Integer.parseInt(depth);
}
d++;
MDC.put("depth", Integer.toString(d));
for (int i = 0; i < d; i++) {
infoLog.append(INDENT_STRING);
}
}
// is profiling info is needed
if (LOGGER_PROFILING.isDebugEnabled()) {
infoLog.append(getClassName(pjp));
LOGGER_PROFILING.debug("{}->{}", infoLog, pjp.getSignature().getName());
// If debug enable get entry parameters and log them
if (LOGGER_PROFILING.isTraceEnabled()) {
final Object[] args = pjp.getArgs();
// final String[] names = ((CodeSignature)
// pjp.getSignature()).getParameterNames();
// @SuppressWarnings("unchecked")
// final Class<CodeSignature>[] types = ((CodeSignature)
// pjp.getSignature()).getParameterTypes();
final StringBuffer sb = new StringBuffer();
sb.append("###### args: ");
sb.append("(");
for (int i = 0; i < args.length; i++) {
sb.append(formatVal(args[i]));
if (args.length != i + 1) {
sb.append(", ");
}
}
sb.append(")");
LOGGER_PROFILING.trace(sb.toString());
}
}
//We dont need profiling on method start in current version
// if profiling info is needed - start
//if(isProfilingActive){
// LOGGER.info("Profiling is active: onStart");
// AspectProfilingFilters.applyGranularityFilterOnStart(pjp, subsystem);
//}
// Process original call
try {
retValue = pjp.proceed();
} catch (Exception e) {
excName = e.getClass().getName();
exc = true;
throw e;
}
// Return original response
return retValue;
} finally {
// Depth -1
if (LOGGER_PROFILING.isTraceEnabled()) {
d--;
MDC.put("depth", Integer.toString(d));
}
// Restore previously marked subsystem executed before return
if (LOGGER_PROFILING.isDebugEnabled()) {
StringBuilder sb = new StringBuilder();
sb.append("##### Exit: ");
if (LOGGER_PROFILING.isDebugEnabled()) {
sb.append(id);
sb.append(" ");
}
// sb.append("/");
if (LOGGER_PROFILING.isTraceEnabled()) {
for (int i = 0; i < d + 1; i++) {
sb.append(INDENT_STRING);
}
}
sb.append(getClassName(pjp));
sb.append("->");
sb.append(pjp.getSignature().getName());
if (LOGGER_PROFILING.isDebugEnabled()) {
sb.append(" etime: ");
// Mark end of processing
elapsed = System.nanoTime() - startTime;
sb.append((long) (elapsed / 1000000));
sb.append('.');
long mikros = (long) (elapsed / 1000) % 1000;
if (mikros < 100) {
sb.append('0');
}
if (mikros < 10) {
sb.append('0');
}
sb.append(mikros);
sb.append(" ms");
}
LOGGER_PROFILING.debug(sb.toString());
if (LOGGER_PROFILING.isTraceEnabled()) {
if (exc) {
LOGGER_PROFILING.trace("###### return exception: {}", excName);
} else {
LOGGER_PROFILING.trace("###### retval: {}", formatVal(retValue));
}
}
}
if(isProfilingActive){
if(pjp != null){
Long processingStartTime = System.nanoTime();
ProfilingDataManager.getInstance().applyGranularityFilterOnEnd(getClassName(pjp), getMethodName(pjp) ,pjp.getArgs(), subsystem, startTime, processingStartTime);
}
}
// Restore MDC
swapSubsystemMark(prev);
}
}
/**
* Get joinPoint class name if available
*
*/
private String getClassName(ProceedingJoinPoint pjp) {
String className = null;
if (pjp.getThis() != null) {
className = pjp.getThis().getClass().getName();
className = className.replaceFirst("com.evolveum.midpoint", "..");
}
return className;
}
/*
* Retrieves method name from pjp object
* */
private String getMethodName(ProceedingJoinPoint pjp){
return pjp.getSignature().getName();
}
@Pointcut("execution(* com.evolveum.midpoint.repo.api.RepositoryService.*(..))")
public void entriesIntoRepository() {
}
@Pointcut("execution(* com.evolveum.midpoint.model.api.ModelService.*(..))")
public void entriesIntoModel() {
}
@Pointcut("execution(* com.evolveum.midpoint.provisioning.api.ProvisioningService.*(..))")
public void entriesIntoProvisioning() {
}
@Pointcut("execution(* com.evolveum.midpoint.task.api.TaskManager.*(..))")
public void entriesIntoTaskManager() {
}
@Pointcut("execution(* com.evolveum.midpoint.provisioning.ucf.api.ConnectorInstance.*(..)) " +
"|| execution(* com.evolveum.midpoint.provisioning.ucf.api.ConnectorFactory.*(..))")
public void entriesIntoUcf() {
}
@Pointcut("execution(* com.evolveum.midpoint.provisioning.api.ResourceObjectChangeListener.*(..))")
public void entriesIntoResourceObjectChangeListener() {
}
@Pointcut("execution(* com.evolveum.midpoint.wf.api.WorkflowService.*(..))")
public void entriesIntoWorkflow(){
}
/*
* Stores current depth value to MDC
* */
@Deprecated
protected static void storeMDC(int d){
MDC.put("depth", Integer.toString(d));
}
/*
* Activates aspect based subsystem profiling
* */
public static void activateSubsystemProfiling(){
isProfilingActive = true;
}
/*
* Deactivates aspect based subsystem profiling
* */
public static void deactivateSubsystemProfiling(){
isProfilingActive = false;
}
private String formatVal(Object value) {
if (value == null) {
return ("null");
}
try {
return PrettyPrinter.prettyPrint(value);
} catch (Throwable t) {
LOGGER_PROFILING.error("Internal error formatting a value: {}", value, t);
return "###INTERNAL#ERROR### "+t.getClass().getName()+": "+t.getMessage()+" value="+value;
}
}
}