/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.profiler.aop.profiler.control;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.HashSet;
import org.jboss.profiler.aop.logger.FileProfileLogger;
import org.jboss.profiler.aop.logger.ProfileLogger;
/**
* Controls the life cycle of a thread and performs the Profiler
* * @author clebert
*/
public class ProfilerController {
private String outputLocal = System.getProperty("java.io.tmpdir");
private String filePrefix;
boolean started=false;
boolean initialized=false;
HashSet loadedClasses = new HashSet();
private static ProfilerController instance;
public static ProfilerController getInstance() {
if (instance==null) {
synchronized (ProfilerController.class) {
instance = new ProfilerController();
}
}
return instance;
}
private ProfilerController() {
}
ProfileLogger mainLog;
/** If a class is not loaded, returns false and add to return true on next time.
* So, it will be an obligation to load the class after this operation. */
public boolean verifyLoadedClass(HashKey key) {
return verifyHashset(key, loadedClasses);
}
/**
* @param key
* @param loadedClasses
* @return
*/
private boolean verifyHashset(HashKey key, HashSet loadedClasses) {
if (!loadedClasses.contains(key)) {
synchronized (loadedClasses) {
if (!loadedClasses.contains(key)) {
loadedClasses.add(new HashKey(key.hashCode()));
return false;
} else {
return true;
}
}
} else {
return true;
}
}
/** Read configuration for output generation for this class.*/
private void initialize() throws IOException {
filePrefix = "serverspy";
String fileName=filePrefix + "_1_main_" + System.currentTimeMillis() + ".log";
System.out.println(outputLocal + "/" + fileName);
mainLog = new FileProfileLogger(new FileOutputStream(new File(outputLocal,fileName)));
mainLog.headerSignature(System.currentTimeMillis());
initialized=true;
}
/** Create the appropriate instance of ProfileLogger based on configurations.
* TODO: create differente Loggers based on configurations. */
public ProfileLogger createLogger() throws IOException {
String fileName=filePrefix + "_1_thread_" + System.currentTimeMillis() + "_" + Thread.currentThread().hashCode() +"_0.log";
File file = new File (outputLocal,fileName);
// TODO: Use BufferedOutputStream + GzipOutputStream
FileOutputStream output = new FileOutputStream(file);
FileProfileLogger logger = new FileProfileLogger(output);
return logger;
}
public void enterMethod(Method method) throws IOException {
ThreadContext.getThreadContext().enterMethod(method);
}
public void exitMethod(Method method) throws IOException {
ThreadContext.getThreadContext().exitMethod(method);
}
/**
* The directory where the information will be generated
* @return Returns the outputLocal.
*/
public String getOutputLocal() {
return outputLocal;
}
/**
* The directory where the information will be generated
* @param outputLocal The outputLocal to set.
*/
public void setOutputLocal(String outputLocal) {
this.outputLocal = outputLocal;
}
/**
* The state of the profiler.
* Data would not be captured if started=false
* @return Returns the started.
*/
public boolean isStarted() {
return started;
}
/**
* The state of the profiler.
* Data would not be captured if started=false
* @param started The started to set.
*/
public void setStarted(boolean started) throws IOException {
if (!this.started && started) {
initialize();
}
this.started = started;
}
}