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Look in another location for grpc service methods #8468

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Merged
merged 3 commits into from
Feb 28, 2025
Merged

Look in another location for grpc service methods #8468

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c43f93c
if the service aren't found on the ImplBase, look for an AsyncService…
evanchooly Feb 27, 2025
3911b6d
inline the method. I should have known better. :)
evanchooly Feb 27, 2025
c0f1a8f
remove the lambda
evanchooly Feb 28, 2025
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20 changes: 16 additions & 4 deletions ...rc/main/java/datadog/trace/instrumentation/grpc/server/MethodHandlersInstrumentation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ public boolean isEnabled() {
public void methodAdvice(MethodTransformer transformer) {
transformer.applyAdvice(
isConstructor().and(takesArguments(2)),
MethodHandlersInstrumentation.class.getName() + "$BuildAdvice");
"datadog.trace.instrumentation.grpc.server.MethodHandlersInstrumentation$BuildAdvice");
}

public static class BuildAdvice {
Expand All @@ -52,9 +52,21 @@ public static class BuildAdvice {
public static void onEnter(@Advice.Argument(0) Object serviceImpl) {
try {
Class<?> serviceClass = serviceImpl.getClass();
Class<?> superclass = serviceClass.getSuperclass();
if (superclass != null) {
for (Method method : superclass.getDeclaredMethods()) {
Class<?> superClass = serviceClass.getSuperclass();
while (superClass != null && !superClass.getSimpleName().endsWith("ImplBase")) {
superClass = superClass.getSuperclass();
}
if (superClass != null) {
// bindService() would be the only method in this case and it's irrelevant
if (superClass.getDeclaredMethods().length == 1) {
for (Class<?> i : serviceClass.getInterfaces()) {
if (i.getSimpleName().equals("AsyncService")) {
superClass = i;
break;
}
}
}
for (Method method : superClass.getDeclaredMethods()) {
try {
entry(serviceClass.getDeclaredMethod(method.getName(), method.getParameterTypes()));
} catch (Throwable e) {
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