Merge "ServiceManager: support debug dump w/ PIDs"
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index b21010d..0dbab4e 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -623,4 +623,21 @@
return Status::ok();
}
+Status ServiceManager::getServiceDebugInfo(std::vector<ServiceDebugInfo>* outReturn) {
+ if (!mAccess->canList(mAccess->getCallingContext())) {
+ return Status::fromExceptionCode(Status::EX_SECURITY);
+ }
+
+ outReturn->reserve(mNameToService.size());
+ for (auto const& [name, service] : mNameToService) {
+ ServiceDebugInfo info;
+ info.name = name;
+ info.debugPid = service.debugPid;
+
+ outReturn->push_back(std::move(info));
+ }
+
+ return Status::ok();
+}
+
} // namespace android
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
index 9f43eb4..c089115 100644
--- a/cmds/servicemanager/ServiceManager.h
+++ b/cmds/servicemanager/ServiceManager.h
@@ -26,6 +26,7 @@
using os::IClientCallback;
using os::IServiceCallback;
+using os::ServiceDebugInfo;
class ServiceManager : public os::BnServiceManager, public IBinder::DeathRecipient {
public:
@@ -48,6 +49,7 @@
binder::Status registerClientCallback(const std::string& name, const sp<IBinder>& service,
const sp<IClientCallback>& cb) override;
binder::Status tryUnregisterService(const std::string& name, const sp<IBinder>& binder) override;
+ binder::Status getServiceDebugInfo(std::vector<ServiceDebugInfo>* outReturn) override;
void binderDied(const wp<IBinder>& who) override;
void handleClientCallbacks();
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index e754d74..ed079db 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -214,6 +214,7 @@
"aidl/android/os/IClientCallback.aidl",
"aidl/android/os/IServiceCallback.aidl",
"aidl/android/os/IServiceManager.aidl",
+ "aidl/android/os/ServiceDebugInfo.aidl",
],
path: "aidl",
}
diff --git a/libs/binder/aidl/android/os/IServiceManager.aidl b/libs/binder/aidl/android/os/IServiceManager.aidl
index 2b1e492..ce30050 100644
--- a/libs/binder/aidl/android/os/IServiceManager.aidl
+++ b/libs/binder/aidl/android/os/IServiceManager.aidl
@@ -18,6 +18,7 @@
import android.os.IClientCallback;
import android.os.IServiceCallback;
+import android.os.ServiceDebugInfo;
/**
* Basic interface for finding and publishing system services.
@@ -116,4 +117,9 @@
* Attempt to unregister and remove a service. Will fail if the service is still in use.
*/
void tryUnregisterService(@utf8InCpp String name, IBinder service);
+
+ /**
+ * Get debug information for all currently registered services.
+ */
+ ServiceDebugInfo[] getServiceDebugInfo();
}
diff --git a/libs/binder/aidl/android/os/ServiceDebugInfo.aidl b/libs/binder/aidl/android/os/ServiceDebugInfo.aidl
new file mode 100644
index 0000000..b95d222
--- /dev/null
+++ b/libs/binder/aidl/android/os/ServiceDebugInfo.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+/**
+ * Debug information associated with a registered service
+ * @hide
+ */
+parcelable ServiceDebugInfo {
+ /**
+ * Service name (see IServiceManager.addService/checkService/getService)
+ */
+ @utf8InCpp String name;
+ /**
+ * PID of service at the time of registration (may no longer be valid).
+ */
+ int debugPid;
+}