health 2.1 implementation.
Test: VTS health 2.1 test
Bug: 137670450
Change-Id: I04ea74facbaa534eee00a51474a013db3b6eb212
diff --git a/health/2.1/default/impl.cpp b/health/2.1/default/impl.cpp
new file mode 100644
index 0000000..7389a21
--- /dev/null
+++ b/health/2.1/default/impl.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#include <memory>
+#include <string_view>
+
+#include <health/utils.h>
+#include <health2impl/Health.h>
+
+using ::android::sp;
+using ::android::hardware::health::InitHealthdConfig;
+using ::android::hardware::health::V2_1::IHealth;
+using ::android::hardware::health::V2_1::implementation::Health;
+
+using namespace std::literals;
+
+// Passthrough implementation of the health service. Use default configuration.
+// It does not invoke callbacks unless update() is called explicitly. No
+// background thread is spawned to handle callbacks.
+//
+// The passthrough implementation is only allowed in recovery mode, charger, and
+// opened by the hwbinder service.
+// If Android is booted normally, the hwbinder service is used instead.
+//
+// This implementation only implements the "default" instance. It rejects
+// other instance names.
+// Note that the Android framework only reads values from the "default"
+// health HAL 2.1 instance.
+extern "C" IHealth* HIDL_FETCH_IHealth(const char* instance) {
+ if (instance != "default"sv) {
+ return nullptr;
+ }
+ auto config = std::make_unique<healthd_config>();
+ InitHealthdConfig(config.get());
+
+ // This implementation uses default config. If you want to customize it
+ // (e.g. with healthd_board_init), do it here.
+
+ return new Health(std::move(config));
+}