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com.taobao.arthas.grpcweb.grpc.service.advisor.SpyImpl Maven / Gradle / Ivy
package com.taobao.arthas.grpcweb.grpc.service.advisor;
import com.alibaba.arthas.deps.org.slf4j.Logger;
import com.alibaba.arthas.deps.org.slf4j.LoggerFactory;
import com.taobao.arthas.core.advisor.AdviceListener;
import com.taobao.arthas.core.advisor.InvokeTraceable;
import com.taobao.arthas.core.shell.system.ExecStatus;
import com.taobao.arthas.core.shell.system.ProcessAware;
import com.taobao.arthas.core.util.StringUtils;
import java.arthas.SpyAPI.AbstractSpy;
import java.util.List;
/**
*
* 怎么从 className|methodDesc 到 id 对应起来？？
* 当id少时，可以id自己来判断是否符合？
*
* 如果是每个 className|methodDesc 为 key ，是否
*
*
* @author hengyunabc 2020-04-24
*
*/
public class SpyImpl extends AbstractSpy {
private static final Logger logger = LoggerFactory.getLogger(SpyImpl.class);
@Override
public void atEnter(Class clazz, String methodInfo, Object target, Object[] args) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitMethodInfo(methodInfo);
String methodName = info[0];
String methodDesc = info[1];
// TODO listener 只用查一次，放到 thread local里保存起来就可以了！
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryAdviceListeners(classLoader, clazz.getName(),
methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
adviceListener.before(clazz, methodName, methodDesc, target, args);
} catch (Throwable e) {
logger.error("class: {}, methodInfo: {}", clazz.getName(), methodInfo, e);
}
}
}
}
@Override
public void atExit(Class clazz, String methodInfo, Object target, Object[] args, Object returnObject) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitMethodInfo(methodInfo);
String methodName = info[0];
String methodDesc = info[1];
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryAdviceListeners(classLoader, clazz.getName(),
methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
adviceListener.afterReturning(clazz, methodName, methodDesc, target, args, returnObject);
} catch (Throwable e) {
logger.error("class: {}, methodInfo: {}", clazz.getName(), methodInfo, e);
}
}
}
}
@Override
public void atExceptionExit(Class clazz, String methodInfo, Object target, Object[] args, Throwable throwable) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitMethodInfo(methodInfo);
String methodName = info[0];
String methodDesc = info[1];
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryAdviceListeners(classLoader, clazz.getName(),
methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
adviceListener.afterThrowing(clazz, methodName, methodDesc, target, args, throwable);
} catch (Throwable e) {
logger.error("class: {}, methodInfo: {}", clazz.getName(), methodInfo, e);
}
}
}
}
@Override
public void atBeforeInvoke(Class clazz, String invokeInfo, Object target) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitInvokeInfo(invokeInfo);
String owner = info[0];
String methodName = info[1];
String methodDesc = info[2];
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryTraceAdviceListeners(classLoader, clazz.getName(),
owner, methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
final InvokeTraceable listener = (InvokeTraceable) adviceListener;
listener.invokeBeforeTracing(classLoader, owner, methodName, methodDesc, Integer.parseInt(info[3]));
} catch (Throwable e) {
logger.error("class: {}, invokeInfo: {}", clazz.getName(), invokeInfo, e);
}
}
}
}
@Override
public void atAfterInvoke(Class clazz, String invokeInfo, Object target) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitInvokeInfo(invokeInfo);
String owner = info[0];
String methodName = info[1];
String methodDesc = info[2];
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryTraceAdviceListeners(classLoader, clazz.getName(),
owner, methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
final InvokeTraceable listener = (InvokeTraceable) adviceListener;
listener.invokeAfterTracing(classLoader, owner, methodName, methodDesc, Integer.parseInt(info[3]));
} catch (Throwable e) {
logger.error("class: {}, invokeInfo: {}", clazz.getName(), invokeInfo, e);
}
}
}
}
@Override
public void atInvokeException(Class clazz, String invokeInfo, Object target, Throwable throwable) {
ClassLoader classLoader = clazz.getClassLoader();
String[] info = StringUtils.splitInvokeInfo(invokeInfo);
String owner = info[0];
String methodName = info[1];
String methodDesc = info[2];
List listeners = com.taobao.arthas.grpcweb.grpc.service.advisor.AdviceListenerManager.queryTraceAdviceListeners(classLoader, clazz.getName(),
owner, methodName, methodDesc);
if (listeners != null) {
for (AdviceListener adviceListener : listeners) {
try {
if (skipAdviceListener(adviceListener)) {
continue;
}
final InvokeTraceable listener = (InvokeTraceable) adviceListener;
listener.invokeThrowTracing(classLoader, owner, methodName, methodDesc, Integer.parseInt(info[3]));
} catch (Throwable e) {
logger.error("class: {}, invokeInfo: {}", clazz.getName(), invokeInfo, e);
}
}
}
}
private static boolean skipAdviceListener(AdviceListener adviceListener) {
if (adviceListener instanceof ProcessAware) {
ProcessAware processAware = (ProcessAware) adviceListener;
ExecStatus status = processAware.getProcess().status();
if (status.equals(ExecStatus.TERMINATED) || status.equals(ExecStatus.STOPPED)) {
return true;
}
}
return false;
}
}
