@Test
public void testDeclaredMethod() throws InstrumentException {
JavassistClassPool pool = new JavassistClassPool(new GlobalInterceptorRegistryBinder(), null);
String testObjectName = "com.navercorp.pinpoint.profiler.interceptor.bci.TestObject";
InstrumentClass testObject = pool.getClass(null, testObjectName, null);
Assert.assertEquals(testObject.getName(), testObjectName);
InstrumentMethod declaredMethod = testObject.getDeclaredMethod("callA", null);
Assert.assertNotNull(declaredMethod);
}
@Test
public void hasEnclodingMethod() throws Exception {
JavassistClassPool pool = new JavassistClassPool(new GlobalInterceptorRegistryBinder(), null);
String testObjectName = "com.navercorp.pinpoint.profiler.interceptor.bci.TestObjectNestedClass";
InstrumentClass testObject = pool.getClass(null, testObjectName, null);
Assert.assertEquals(testObject.getName(), testObjectName);
assertEquals(
1,
testObject
.getNestedClasses(
ClassFilters.enclosingMethod("enclosingMethod", "java.lang.String", "int"))
.size());
assertEquals(
0,
testObject.getNestedClasses(ClassFilters.enclosingMethod("enclosingMethod", "int")).size());
}
public byte[] modify(
ClassLoader classLoader,
String javassistClassName,
ProtectionDomain protectedDomain,
byte[] classFileBuffer) {
if (logger.isInfoEnabled()) {
logger.info("Modifying. {}", javassistClassName);
}
try {
InstrumentClass statementClass =
byteCodeInstrumentor.getClass(classLoader, javassistClassName, classFileBuffer);
Interceptor interceptor = new StatementExecuteQueryInterceptor();
statementClass.addGroupInterceptor(
"executeQuery", new String[] {"java.lang.String"}, interceptor, MYSQLScope.SCOPE_NAME);
// FIXME
Interceptor executeUpdateInterceptor1 = new StatementExecuteUpdateInterceptor();
statementClass.addGroupInterceptor(
"executeUpdate",
new String[] {"java.lang.String"},
executeUpdateInterceptor1,
MYSQLScope.SCOPE_NAME);
Interceptor executeUpdateInterceptor2 = new StatementExecuteUpdateInterceptor();
statementClass.addGroupInterceptor(
"executeUpdate",
new String[] {"java.lang.String", "int"},
executeUpdateInterceptor2,
MYSQLScope.SCOPE_NAME);
Interceptor executeUpdateInterceptor3 = new StatementExecuteUpdateInterceptor();
statementClass.addGroupInterceptor(
"execute",
new String[] {"java.lang.String"},
executeUpdateInterceptor3,
MYSQLScope.SCOPE_NAME);
Interceptor executeUpdateInterceptor4 = new StatementExecuteUpdateInterceptor();
statementClass.addGroupInterceptor(
"execute",
new String[] {"java.lang.String", "int"},
executeUpdateInterceptor4,
MYSQLScope.SCOPE_NAME);
statementClass.addTraceValue(DatabaseInfoTraceValue.class);
return statementClass.toBytecode();
} catch (InstrumentException e) {
if (logger.isWarnEnabled()) {
logger.warn("{} modify fail. Cause:{}", this.getClass().getSimpleName(), e.getMessage(), e);
}
return null;
}
}
@Test
public void testClassHierarchy() throws InstrumentException {
JavassistClassPool pool = new JavassistClassPool(new GlobalInterceptorRegistryBinder(), null);
String testObjectName = "com.navercorp.pinpoint.profiler.interceptor.bci.TestObject";
// final CallLoader loader = null; // systemClassLoader
// final ClassLoader loader = ClassLoader.getSystemClassLoader();
InstrumentClass testObject = pool.getClass(null, testObjectName, null);
Assert.assertEquals(testObject.getName(), testObjectName);
String testObjectSuperClass = testObject.getSuperClass();
Assert.assertEquals("java.lang.Object", testObjectSuperClass);
String[] testObjectSuperClassInterfaces = testObject.getInterfaces();
Assert.assertEquals(testObjectSuperClassInterfaces.length, 0);
InstrumentClass classHierarchyObject =
pool.getClass(
null, "com.navercorp.pinpoint.profiler.interceptor.bci.ClassHierarchyTestMock", null);
String hierarchySuperClass = classHierarchyObject.getSuperClass();
Assert.assertEquals("java.util.HashMap", hierarchySuperClass);
String[] hierarchyInterfaces = classHierarchyObject.getInterfaces();
Assert.assertEquals(hierarchyInterfaces.length, 2);
Assert.assertEquals(hierarchyInterfaces[0], "java.lang.Runnable");
Assert.assertEquals(hierarchyInterfaces[1], "java.lang.Comparable");
}
@Override
public byte[] transform(
ClassLoader classLoader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
throws IllegalClassFormatException {
try {
InstrumentClass target = context.getInstrumentClass(classLoader, className, classfileBuffer);
recipe.edit(classLoader, target);
return target.toBytecode();
} catch (PinpointException e) {
throw e;
} catch (Throwable e) {
String msg = "Fail to invoke plugin class recipe: " + toString();
throw new PinpointException(msg, e);
}
}
/* (non-Javadoc)
* @see com.navercorp.pinpoint.bootstrap.plugin.transformer.PinpointClassFileTransformer#transform(com.navercorp.pinpoint.bootstrap.plugin.PinpointInstrument, java.lang.ClassLoader, java.lang.String, java.lang.Class, java.security.ProtectionDomain, byte[])
*/
@Override
public byte[] transform(
Instrumentor instrumentContext,
ClassLoader loader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
throws InstrumentException {
if (logger.isInfoEnabled()) {
logger.info("Modify {}", className);
}
try {
InstrumentClass target =
instrumentContext.getInstrumentClass(loader, className, classfileBuffer);
if (!target.isInterceptable()) {
return null;
}
List<InstrumentMethod> methodList = target.getDeclaredMethods(METHOD_FILTER);
for (InstrumentMethod method : methodList) {
if (logger.isTraceEnabled()) {
logger.trace(
"### c={}, m={}, params={}",
new Object[] {
className, method.getName(), Arrays.toString(method.getParameterTypes())
});
}
method.addInterceptor(
BasicMethodInterceptor.class.getName(), va(SpringBeansConstants.SERVICE_TYPE));
}
return target.toBytecode();
} catch (Exception e) {
logger.warn("modify fail. Cause:{}", e.getMessage(), e);
return null;
}
}
@Test
public void testDeclaredMethods() throws InstrumentException {
JavassistClassPool pool = new JavassistClassPool(new GlobalInterceptorRegistryBinder(), null);
String testObjectName = "com.navercorp.pinpoint.profiler.interceptor.bci.TestObject";
InstrumentClass testObject = pool.getClass(null, testObjectName, null);
Assert.assertEquals(testObject.getName(), testObjectName);
int findMethodCount = 0;
for (InstrumentMethod methodInfo : testObject.getDeclaredMethods()) {
if (!methodInfo.getName().equals("callA")) {
continue;
}
String[] parameterTypes = methodInfo.getParameterTypes();
if (parameterTypes == null || parameterTypes.length == 0) {
findMethodCount++;
}
}
Assert.assertEquals(findMethodCount, 1);
}
@Override
public void edit(ClassLoader classLoader, InstrumentClass target) throws Throwable {
for (InstrumentMethod targetMethod : target.getDeclaredMethods(filter)) {
for (MethodRecipe recipe : recipes) {
try {
recipe.edit(classLoader, target, targetMethod);
} catch (Throwable t) {
if (exceptionHandler != null) {
exceptionHandler.handle(
target.getName(), targetMethod.getName(), targetMethod.getParameterTypes(), t);
logger.info(
"Exception thrown while editing"
+ targetMethod.getDescriptor().getApiDescriptor()
+ " but MethodTransformerExceptionHandler handled it.",
t);
} else {
throw new InstrumentException(
"Fail to edit method " + targetMethod.getDescriptor().getApiDescriptor(), t);
}
}
}
}
}
@Override
public byte[] doInTransform(
Instrumentor instrumentor,
ClassLoader classLoader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
throws InstrumentException {
InstrumentClass target =
instrumentor.getInstrumentClass(classLoader, className, classfileBuffer);
target.addGetter(
"com.navercorp.pinpoint.plugin.sample._13_RPC_Client.ServerAddressGetter", "serverAddress");
target.addGetter(
"com.navercorp.pinpoint.plugin.sample._13_RPC_Client.ServerPortGetter", "serverPort");
target
.getDeclaredMethod(
"sendRequest", "com.navercorp.plugin.sample.target.TargetClass13_Request")
.addInterceptor(
"com.navercorp.pinpoint.plugin.sample._13_RPC_Client.SendRequestInterceptor");
return target.toBytecode();
}
@Test
public void getNestedClasses() throws Exception {
JavassistClassPool pool = new JavassistClassPool(new GlobalInterceptorRegistryBinder(), null);
String testObjectName = "com.navercorp.pinpoint.profiler.interceptor.bci.TestObjectNestedClass";
InstrumentClass testObject = pool.getClass(null, testObjectName, null);
Assert.assertEquals(testObject.getName(), testObjectName);
// find class name condition.
final String targetClassName =
"com.navercorp.pinpoint.profiler.interceptor.bci.TestObjectNestedClass$InstanceInner";
for (InstrumentClass c : testObject.getNestedClasses(ClassFilters.name(targetClassName))) {
assertEquals(targetClassName, c.getName());
}
// find enclosing method condition.
assertEquals(
2,
testObject.getNestedClasses(ClassFilters.enclosingMethod("annonymousInnerClass")).size());
// find interface condition.
assertEquals(
2,
testObject
.getNestedClasses(ClassFilters.interfaze("java.util.concurrent.Callable"))
.size());
// find enclosing method & interface condition.
assertEquals(
1,
testObject
.getNestedClasses(
ClassFilters.chain(
ClassFilters.enclosingMethod("annonymousInnerClass"),
ClassFilters.interfaze("java.util.concurrent.Callable")))
.size());
}
@Override
public void edit(ClassLoader classLoader, InstrumentClass target) throws InstrumentException {
target.weave(aspectClassName, classLoader);
}
