/*
* Copyright 2016 NAVER Corp.
*
* 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.navercorp.pinpoint.profiler.instrument;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentMethod;
import com.navercorp.pinpoint.profiler.instrument.mock.ArgsArrayInterceptor;
import com.navercorp.pinpoint.profiler.interceptor.registry.DefaultInterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.interceptor.registry.InterceptorRegistryBinder;
import com.navercorp.pinpoint.profiler.metadata.ApiMetaDataService;
import com.navercorp.pinpoint.profiler.objectfactory.ObjectBinderFactory;
import com.navercorp.pinpoint.profiler.util.JavaAssistUtils;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.util.CheckClassAdapter;
import org.objectweb.asm.util.TraceClassVisitor;
import java.io.File;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import static org.mockito.Mockito.mock;
public class ASMMethodNodeAdapterTestMain {
private final static InterceptorRegistryBinder interceptorRegistryBinder = new DefaultInterceptorRegistryBinder();
private int interceptorId;
public ASMMethodNodeAdapterTestMain() {
this.interceptorRegistryBinder.bind();
this.interceptorId = interceptorRegistryBinder.getInterceptorRegistryAdaptor().addInterceptor(new ArgsArrayInterceptor());
}
public void search() throws Exception {
final String classpath = System.getProperty("java.class.path");
final String[] paths = classpath.split(";");
for (String path : paths) {
if (path.endsWith(".jar")) {
// searchJar(path);
} else {
File file = new File(path);
if (file.isDirectory()) {
searchFile(path, path);
}
}
}
}
public void searchFile(final String classPath, final String path) throws Exception {
File file = new File(path);
if (file.isDirectory()) {
for (String name : file.list()) {
searchFile(classPath, file.getPath() + File.separator + name);
}
} else if (path.endsWith(".class")) {
final String className = path.substring(classPath.length() + 1, path.length() - 6);
addInterceptor(className.replace(File.separatorChar, '/'));
}
}
public void searchJar(final String path) throws Exception {
JarFile jar = new JarFile(path);
Enumeration<JarEntry> entries = jar.entries(); //gives ALL entries in jar
Set<String> result = new HashSet<String>(); //avoid duplicates in case it is a subdirectory
while (entries.hasMoreElements()) {
String name = entries.nextElement().getName();
if (name.endsWith(".class")) {
final String className = name.substring(0, name.length() - 6);
addInterceptor(className);
}
}
}
private void addInterceptor(final String className) throws Exception {
final boolean trace = false;
final boolean verify = false;
final String classInternalName = JavaAssistUtils.jvmNameToJavaName(className);
ClassLoader classLoader = new ClassLoader() {
@Override
public Class<?> loadClass(String name) throws ClassNotFoundException {
if (!name.startsWith("java") && !name.startsWith("sun") && super.findLoadedClass(name) == null) {
try {
ClassNode classNode = ASMClassNodeLoader.get(JavaAssistUtils.javaNameToJvmName(name));
ObjectBinderFactory objectBinderFactory = mock(ObjectBinderFactory.class);
ApiMetaDataService apiMetaDataService = mock(ApiMetaDataService.class);
ASMClass asmClass = new ASMClass(objectBinderFactory, null, interceptorRegistryBinder, apiMetaDataService, null, classNode);
if (asmClass.isInterceptable()) {
for (InstrumentMethod method : asmClass.getDeclaredMethods()) {
try {
method.addInterceptor(interceptorId);
} catch (Throwable t) {
t.printStackTrace();
}
}
}
byte[] bytes = asmClass.toBytecode();
if (trace) {
ClassReader classReader = new ClassReader(bytes);
ClassWriter cw = new ClassWriter(0);
TraceClassVisitor tcv = new TraceClassVisitor(cw, new PrintWriter(System.out));
classReader.accept(tcv, 0);
}
if (verify) {
CheckClassAdapter.verify(new ClassReader(bytes), false, new PrintWriter(System.out));
}
return super.defineClass(name, bytes, 0, bytes.length);
} catch (Throwable ex) {
ex.printStackTrace();
return null;
}
} else {
try {
return super.loadClass(name);
} catch (Throwable t) {
t.printStackTrace();
return null;
}
}
}
};
try {
classLoader.loadClass(classInternalName);
} catch (ClassNotFoundException cnfe) {
}
}
public static void main(String[] args) {
ASMMethodNodeAdapterTestMain main = new ASMMethodNodeAdapterTestMain();
try {
main.search();
} catch (Exception e) {
e.printStackTrace();
}
}
}