scouter.agent.LambdaFormTransformer Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouter.agent;
import scouter.agent.asm.ILASM;
import scouter.agent.asm.ScouterClassWriter;
import scouter.agent.asm.asyncsupport.LambdaFormASM;
import scouter.agent.asm.util.AsmUtil;
import scouter.org.objectweb.asm.ClassReader;
import scouter.org.objectweb.asm.ClassVisitor;
import scouter.org.objectweb.asm.ClassWriter;
import scouter.org.objectweb.asm.Opcodes;
import scouter.util.StringUtil;
import java.lang.instrument.IllegalClassFormatException;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.List;
public class LambdaFormTransformer {
protected static List asms = new ArrayList();
private static List scanScopePrefix = new ArrayList();
static {
Configure conf = Configure.getInstance();
if(conf.hook_async_callrunnable_enable) {
String[] prefixes = StringUtil.split(conf.hook_async_callrunnable_scan_package_prefixes, ',');
for(int i=0; i workAsms = asms;
for (int i = workAsms.size() - 1; i >= 0; i--) {
cv = workAsms.get(i).transform(cv, className, classDesc, lambdaMethodName, lambdaMethodDesc, factoryMethodName, factoryMethodDesc);
if (cv != cw) {
cr = new ClassReader(classfileBuffer);
cr.accept(cv, ClassReader.EXPAND_FRAMES);
classfileBuffer = cw.toByteArray();
cv = cw = getClassWriter(classDesc);
}
}
return classfileBuffer;
} catch (Throwable t) {
Logger.println("B101", "LambdaFormTransformer Error", t);
t.printStackTrace();
} finally {
}
return null;
}
private ClassWriter getClassWriter(final ClassDesc classDesc) {
ClassWriter cw;
switch (classDesc.version) {
case Opcodes.V1_1:
case Opcodes.V1_2:
case Opcodes.V1_3:
case Opcodes.V1_4:
case Opcodes.V1_5:
case Opcodes.V1_6:
cw = new ScouterClassWriter(ClassWriter.COMPUTE_MAXS);
break;
default:
cw = new ScouterClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
}
return cw;
}
}