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[강운덕] [LUCYSUS-1744] classLoader별로 분리된 코드 커밋.

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git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@1427 84d0f5b1-2673-498c-a247-62c4ff18d310
This commit is contained in:
Woonduk Kang
2013-04-11 06:27:36 +00:00
parent 2265ae8124
commit 44a06bcdf6
35 changed files with 1344 additions and 374 deletions
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src/main/java/com/profiler/TomcatProfiler.java
+13 -109
View File
@@ -1,12 +1,7 @@
package com.profiler;
import java.io.IOException;
import java.lang.instrument.ClassFileTransformer;
import java.lang.instrument.IllegalClassFormatException;
import java.lang.instrument.Instrumentation;
import java.net.URL;
import java.security.ProtectionDomain;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.logging.Level;
@@ -18,11 +13,9 @@ import com.profiler.logging.LoggerBinder;
import com.profiler.logging.LoggerFactory;
import com.profiler.interceptor.bci.ByteCodeInstrumentor;
import com.profiler.interceptor.bci.JavaAssistByteCodeInstrumentor;
import com.profiler.modifier.DefaultModifierRegistry;
import com.profiler.modifier.Modifier;
import com.profiler.modifier.ModifierRegistry;
public class TomcatProfiler implements ClassFileTransformer {
public class TomcatProfiler {
private static final Logger logger = Logger.getLogger(TomcatProfiler.class.getName());
private boolean isFine = logger.isLoggable(Level.FINE);
@@ -37,28 +30,16 @@ public class TomcatProfiler implements ClassFileTransformer {
private final ProfilerConfig profilerConfig;
private final Agent agent;
private AgentClassLoader agentClassLoader;
public static void premain(String agentArgs, Instrumentation instrumentation) {
public void boot(Instrumentation instrumentation, String agentArgs) {
if (agentArgs != null) {
logger.info("HIPPO agentArgs:" + agentArgs);
}
// dumpSystemProperties();
ClassPathResolver classPathResolver = new ClassPathResolver();
boolean agentJarNotFound = classPathResolver.findAgentJar();
if (!agentJarNotFound) {
logger.severe("hippo-tomcat-profiler-x.x.x.jar not found.");
return;
}
// 이게 로드할 lib List임.
List<URL> libUrlList = resolveLib(classPathResolver);
AgentClassLoader agentClassLoader = new AgentClassLoader(libUrlList.toArray(new URL[libUrlList.size()]));
agentClassLoader.setBootClass("com.profiler.boot.BootClassTest");
// agentClassLoader.test();
try {
agentClassLoader.boot();
LoggerBinder loggerBinder = agentClassLoader.initializeLoggerBinder();
LoggerBinder loggerBinder = null;
loggerBinder.getLogger("LoggerFactory initialize start");
LoggerFactory.initialize(loggerBinder);
com.profiler.logging.Logger tomcatLogger = LoggerFactory.getLogger(TomcatProfiler.class);
@@ -68,46 +49,19 @@ public class TomcatProfiler implements ClassFileTransformer {
}
try {
ProfilerConfig profilerConfig = readConfig(classPathResolver);
ProfilerConfig profilerConfig = null;
if (!profilerConfig.isProfileEnable()) {
logger.warning("Profiler Agent not started. profile.enable=" + profilerConfig.isProfileEnable());
return;
}
Agent agent = new Agent(profilerConfig);
new TomcatProfiler(agentArgs, instrumentation, agent, profilerConfig);
Agent agent = new DefaultAgent(agentArgs, instrumentation, profilerConfig);
// new TomcatProfiler(agentArgs, instrumentation, agent, profilerConfig);
} catch (Exception e) {
logger.log(Level.SEVERE, "Profiler Agent start fail. Cause:" + e.getMessage(), e);
}
}
private static ProfilerConfig readConfig(ClassPathResolver classPathResolver) throws IOException {
ProfilerConfig profilerConfig = new ProfilerConfig();
String hippoConfigFormSystemProperty = findHippoConfigFormSystemProeprty();
if (hippoConfigFormSystemProperty != null) {
profilerConfig.readConfigFile(hippoConfigFormSystemProperty);
} else {
String agentConfigPath = classPathResolver.getAgentConfigPath();
profilerConfig.readConfigFile(agentConfigPath);
}
return profilerConfig;
}
private static List<URL> resolveLib(ClassPathResolver classPathResolver) {
String agentJarFullPath = classPathResolver.getAgentJarFullPath();
logger.info("agentJarPath:" + agentJarFullPath);
String agentLibPath = classPathResolver.getAgentLibPath();
logger.info("agentLibPath:" + agentLibPath);
List<URL> urlList = classPathResolver.resolveLib();
logger.info("agent lib list:" + urlList);
String agentConfigPath = classPathResolver.getAgentConfigPath();
logger.info("agent config:" + agentConfigPath);
return urlList;
}
private static void dumpSystemProperties() {
if (logger.isLoggable(Level.FINE)) {
@@ -119,18 +73,18 @@ public class TomcatProfiler implements ClassFileTransformer {
}
}
public TomcatProfiler(String agentArgs, Instrumentation instrumentation, Agent agent, ProfilerConfig profilerConfig) {
public TomcatProfiler(String agentArgs, Instrumentation instrumentation, DefaultAgent agent, ProfilerConfig profilerConfig) {
this.agentArgString = agentArgs;
this.profilerConfig = profilerConfig;
this.agent = agent;
this.instrumentation = instrumentation;
this.instrumentation.addTransformer(this);
String[] paths = getTomcatlibPath();
this.byteCodeInstrumentor = new JavaAssistByteCodeInstrumentor(paths);
this.byteCodeInstrumentor = new JavaAssistByteCodeInstrumentor(paths, agent);
this.modifierRepository = createModifierRegistry();
this.modifierRepository = null;
ClassFileTransformer classFileTransformerDispatcher = new ClassFileTransformerDispatcher(agent);
this.instrumentation.addTransformer(classFileTransformerDispatcher);
}
public static String findHippoConfigFormSystemProeprty() {
@@ -161,56 +115,6 @@ public class TomcatProfiler implements ClassFileTransformer {
}
}
private ModifierRegistry createModifierRegistry() {
DefaultModifierRegistry modifierRepository = new DefaultModifierRegistry(byteCodeInstrumentor, agent, profilerConfig);
modifierRepository.addMethodModifier();
modifierRepository.addTomcatModifier();
// jdbc
modifierRepository.addJdbcModifier();
// rpc
modifierRepository.addConnectorModifier();
// bloc
modifierRepository.addBLOCModifier();
return modifierRepository;
}
@Override
public byte[] transform(ClassLoader classLoader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classFileBuffer) throws IllegalClassFormatException {
// fast java class skip
if (className.startsWith("java")) {
if (className.startsWith("/", 4) || className.startsWith("x/", 4)) {
return classFileBuffer;
}
}
Modifier findModifier = this.modifierRepository.findModifier(className);
if (findModifier == null) {
// TODO : 디버그 용도로 추가함
// TODO : modifier가 중복 적용되면 어떻게 되지???
if (profilerConfig.isProfilableClass(className)) {
// 테스트 장비에서 callstack view가 잘 보이는지 확인하려고 추가함.
findModifier = this.modifierRepository.findModifier("*");
} else {
return null;
}
}
if (isFine) {
logger.fine("[transform] cl" + classLoader + " className:" + className + " Modifier:" + findModifier.getClass().getName());
}
String javassistClassName = className.replace('/', '.');
try {
return findModifier.modify(classLoader, javassistClassName, protectionDomain, classFileBuffer);
} catch (Exception e) {
logger.log(Level.SEVERE, "Modifier:" + findModifier.getTargetClass() + " modify fail. Cause:" + e.getMessage(), e);
return null;
}
}
}