[Thread] add ServiceManagerWrapper
Add a JNI wrapper of the NDK version of the ServiceManager which allows
us to retrieve the ot-daemon lazy service.
Bug: 262683651
Test: atest CtsThreadNetworkTestCases
Change-Id: I1d331d1ba06c2b88f156622d4ae864dae7b15dc3
diff --git a/service/src/com/android/server/ServiceManagerWrapper.java b/service/src/com/android/server/ServiceManagerWrapper.java
new file mode 100644
index 0000000..6d99f33
--- /dev/null
+++ b/service/src/com/android/server/ServiceManagerWrapper.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 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 com.android.server;
+
+import android.annotation.RequiresApi;
+import android.os.IBinder;
+import android.os.Build;
+import android.os.ServiceManager;
+
+/** Provides a way to access {@link ServiceManager#waitForService} API. */
+@RequiresApi(Build.VERSION_CODES.S)
+public final class ServiceManagerWrapper {
+ static {
+ System.loadLibrary("service-connectivity");
+ }
+
+ private ServiceManagerWrapper() {}
+
+ /**
+ * Returns the specified service from the service manager.
+ *
+ * If the service is not running, service manager will attempt to start it, and this function
+ * will wait for it to be ready.
+ *
+ * @return {@code null} only if there are permission problems or fatal errors
+ */
+ public static IBinder waitForService(String serviceName) {
+ return nativeWaitForService(serviceName);
+ }
+
+ private static native IBinder nativeWaitForService(String serviceName);
+}