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;
}
}
@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;
}
}
@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();
}
