healthd: Add system health monitoring daemon
Initially moving battery health monitoring here.
Command line flag -n tells healthd not to use (or wait for) servicemanager
in this execution, for charger and recovery modes.
Change-Id: I1720594724af0c068497b359f9c6ad65aeaa1519
diff --git a/healthd/BatteryMonitor.h b/healthd/BatteryMonitor.h
new file mode 100644
index 0000000..df0920b
--- /dev/null
+++ b/healthd/BatteryMonitor.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2013 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_BATTERYMONITOR_H
+#define HEALTHD_BATTERYMONITOR_H
+
+#include <binder/IInterface.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+
+#include "BatteryPropertiesRegistrar.h"
+
+namespace android {
+
+class BatteryPropertiesRegistrar;
+
+class BatteryMonitor {
+ public:
+
+ enum PowerSupplyType {
+ ANDROID_POWER_SUPPLY_TYPE_UNKNOWN = 0,
+ ANDROID_POWER_SUPPLY_TYPE_AC,
+ ANDROID_POWER_SUPPLY_TYPE_USB,
+ ANDROID_POWER_SUPPLY_TYPE_WIRELESS,
+ ANDROID_POWER_SUPPLY_TYPE_BATTERY
+ };
+
+ void init(bool nosvcmgr);
+ bool update(void);
+
+ private:
+ String8 mBatteryStatusPath;
+ String8 mBatteryHealthPath;
+ String8 mBatteryPresentPath;
+ String8 mBatteryCapacityPath;
+ String8 mBatteryVoltagePath;
+ String8 mBatteryTemperaturePath;
+ String8 mBatteryTechnologyPath;
+
+ Vector<String8> mChargerNames;
+
+ sp<BatteryPropertiesRegistrar> mBatteryPropertiesRegistrar;
+
+ int getBatteryStatus(const char* status);
+ int getBatteryHealth(const char* status);
+ int readFromFile(const String8& path, char* buf, size_t size);
+ PowerSupplyType readPowerSupplyType(const String8& path);
+ bool getBooleanField(const String8& path);
+ int getIntField(const String8& path);
+};
+
+}; // namespace android
+
+#endif // HEALTHD_BATTERY_MONTIOR_H