Refactor get_health_service
Refactor get_health_service into a module named libhealthhalutils.
Test: pass
Bug: 68388678
Change-Id: Ibeb22c017689c87dc81f21e954f9cedced4ee39c
diff --git a/health/2.0/libhealthhalutils/Android.bp b/health/2.0/libhealthhalutils/Android.bp
new file mode 100644
index 0000000..1bd934b
--- /dev/null
+++ b/health/2.0/libhealthhalutils/Android.bp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+cc_library_static {
+ name: "libhealthhalutils",
+ srcs: ["HealthHalUtils.cpp"],
+ cflags: ["-Wall", "-Werror"],
+ vendor_available: true,
+ export_include_dirs: ["include"],
+ shared_libs: [
+ "android.hardware.health@2.0",
+ "libbase",
+ "libhidlbase",
+ ],
+}
diff --git a/health/2.0/libhealthhalutils/HealthHalUtils.cpp b/health/2.0/libhealthhalutils/HealthHalUtils.cpp
new file mode 100644
index 0000000..9e1cc70
--- /dev/null
+++ b/health/2.0/libhealthhalutils/HealthHalUtils.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#define LOG_TAG "HealthHalUtils"
+
+#include <android-base/logging.h>
+#include <healthhalutils/HealthHalUtils.h>
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V2_0 {
+
+sp<IHealth> get_health_service() {
+ for (auto&& instanceName : {"default", "backup"}) {
+ auto ret = IHealth::getService(instanceName);
+ if (ret != nullptr) {
+ return ret;
+ }
+ LOG(INFO) << "health: cannot get " << instanceName << " service";
+ }
+ return nullptr;
+}
+
+} // namespace V2_0
+} // namespace health
+} // namespace hardware
+} // namespace android
diff --git a/health/2.0/libhealthhalutils/include/healthhalutils/HealthHalUtils.h b/health/2.0/libhealthhalutils/include/healthhalutils/HealthHalUtils.h
new file mode 100644
index 0000000..66acc7c
--- /dev/null
+++ b/health/2.0/libhealthhalutils/include/healthhalutils/HealthHalUtils.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#ifndef HEALTHD_HEALTH_HAL_UTILS_H
+#define HEALTHD_HEALTH_HAL_UTILS_H
+
+#include <android/hardware/health/2.0/IHealth.h>
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V2_0 {
+
+// Simplified version of BatteryService.HealthServiceWrapper.init().
+// Returns the "default" health instance when it is available, and "backup" instance
+// otherwise. Before health 1.0 HAL is removed, this function should be used instead
+// of IHealth::getService().
+sp<IHealth> get_health_service();
+
+} // namespace V2_0
+} // namespace health
+} // namespace hardware
+} // namespace android
+
+#endif // HEALTHD_HEALTH_HAL_UTILS_H