/*
* Copyright (C) 2006-2007 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.am;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothHeadset;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.Binder;
import android.os.IBinder;
import android.os.Parcel;
import android.os.Process;
import android.os.ServiceManager;
import android.os.WorkSource;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.util.Slog;
import com.android.internal.app.IBatteryStats;
import com.android.internal.os.BatteryStatsImpl;
import com.android.internal.os.PowerProfile;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.List;
/**
* All information we are collecting about things that can happen that impact
* battery life.
*/
public final class BatteryStatsService extends IBatteryStats.Stub {
static IBatteryStats sService;
final BatteryStatsImpl mStats;
Context mContext;
private boolean mBluetoothPendingStats;
private BluetoothHeadset mBluetoothHeadset;
BatteryStatsService(String filename) {
mStats = new BatteryStatsImpl(filename);
}
public void publish(Context context) {
mContext = context;
ServiceManager.addService("batteryinfo", asBinder());
mStats.setNumSpeedSteps(new PowerProfile(mContext).getNumSpeedSteps());
mStats.setRadioScanningTimeout(mContext.getResources().getInteger(
com.android.internal.R.integer.config_radioScanningTimeout)
* 1000L);
}
public void shutdown() {
Slog.w("BatteryStats", "Writing battery stats before shutdown...");
synchronized (mStats) {
mStats.shutdownLocked();
}
}
public static IBatteryStats getService() {
if (sService != null) {
return sService;
}
IBinder b = ServiceManager.getService("batteryinfo");
sService = asInterface(b);
return sService;
}
/**
* @return the current statistics object, which may be modified
* to reflect events that affect battery usage. You must lock the
* stats object before doing anything with it.
*/
public BatteryStatsImpl getActiveStatistics() {
return mStats;
}
public byte[] getStatistics() {
mContext.enforceCallingPermission(
android.Manifest.permission.BATTERY_STATS, null);
//Slog.i("foo", "SENDING BATTERY INFO:");
//mStats.dumpLocked(new LogPrinter(Log.INFO, "foo", Log.LOG_ID_SYSTEM));
Parcel out = Parcel.obtain();
mStats.writeToParcel(out, 0);
byte[] data = out.marshall();
out.recycle();
return data;
}
public void noteStartWakelock(int uid, int pid, String name, int type) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStartWakeLocked(uid, pid, name, type);
}
}
public void noteStopWakelock(int uid, int pid, String name, int type) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStopWakeLocked(uid, pid, name, type);
}
}
public void noteStartWakelockFromSource(WorkSource ws, int pid, String name, int type) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStartWakeFromSourceLocked(ws, pid, name, type);
}
}
public void noteStopWakelockFromSource(WorkSource ws, int pid, String name, int type) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStopWakeFromSourceLocked(ws, pid, name, type);
}
}
public void noteStartSensor(int uid, int sensor) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStartSensorLocked(uid, sensor);
}
}
public void noteStopSensor(int uid, int sensor) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStopSensorLocked(uid, sensor);
}
}
public void noteStartGps(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStartGpsLocked(uid);
}
}
public void noteStopGps(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteStopGpsLocked(uid);
}
}
public void noteScreenOn() {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteScreenOnLocked();
}
}
public void noteScreenBrightness(int brightness) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteScreenBrightnessLocked(brightness);
}
}
public void noteScreenOff() {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteScreenOffLocked();
}
}
public void noteInputEvent() {
enforceCallingPermission();
mStats.noteInputEventAtomic();
}
public void noteUserActivity(int uid, int event) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteUserActivityLocked(uid, event);
}
}
public void notePhoneOn() {
enforceCallingPermission();
synchronized (mStats) {
mStats.notePhoneOnLocked();
}
}
public void notePhoneOff() {
enforceCallingPermission();
synchronized (mStats) {
mStats.notePhoneOffLocked();
}
}
public void notePhoneSignalStrength(SignalStrength signalStrength) {
enforceCallingPermission();
synchronized (mStats) {
mStats.notePhoneSignalStrengthLocked(signalStrength);
}
}
public void notePhoneDataConnectionState(int dataType, boolean hasData) {
enforceCallingPermission();
synchronized (mStats) {
mStats.notePhoneDataConnectionStateLocked(dataType, hasData);
}
}
public void notePhoneState(int state) {
enforceCallingPermission();
int simState = TelephonyManager.getDefault().getSimState();
synchronized (mStats) {
mStats.notePhoneStateLocked(state, simState);
}
}
public void noteWifiOn() {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiOnLocked();
}
}
public void noteWifiOff() {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiOffLocked();
}
}
public void noteStartAudio(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteAudioOnLocked(uid);
}
}
public void noteStopAudio(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteAudioOffLocked(uid);
}
}
public void noteStartVideo(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteVideoOnLocked(uid);
}
}
public void noteStopVideo(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteVideoOffLocked(uid);
}
}
public void noteWifiRunning(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiRunningLocked(ws);
}
}
public void noteWifiRunningChanged(WorkSource oldWs, WorkSource newWs) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiRunningChangedLocked(oldWs, newWs);
}
}
public void noteWifiStopped(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiStoppedLocked(ws);
}
}
public void noteBluetoothOn() {
enforceCallingPermission();
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter != null) {
adapter.getProfileProxy(mContext, mBluetoothProfileServiceListener,
BluetoothProfile.HEADSET);
}
synchronized (mStats) {
if (mBluetoothHeadset != null) {
mStats.noteBluetoothOnLocked();
mStats.setBtHeadset(mBluetoothHeadset);
} else {
mBluetoothPendingStats = true;
}
}
}
private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
new BluetoothProfile.ServiceListener() {
public void onServiceConnected(int profile, BluetoothProfile proxy) {
mBluetoothHeadset = (BluetoothHeadset) proxy;
synchronized (mStats) {
if (mBluetoothPendingStats) {
mStats.noteBluetoothOnLocked();
mStats.setBtHeadset(mBluetoothHeadset);
mBluetoothPendingStats = false;
}
}
}
public void onServiceDisconnected(int profile) {
mBluetoothHeadset = null;
}
};
public void noteBluetoothOff() {
enforceCallingPermission();
synchronized (mStats) {
mBluetoothPendingStats = false;
mStats.noteBluetoothOffLocked();
}
}
public void noteFullWifiLockAcquired(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteFullWifiLockAcquiredLocked(uid);
}
}
public void noteFullWifiLockReleased(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteFullWifiLockReleasedLocked(uid);
}
}
public void noteWifiScanStarted(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiScanStartedLocked(uid);
}
}
public void noteWifiScanStopped(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiScanStoppedLocked(uid);
}
}
public void noteWifiMulticastEnabled(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiMulticastEnabledLocked(uid);
}
}
public void noteWifiMulticastDisabled(int uid) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiMulticastDisabledLocked(uid);
}
}
public void noteFullWifiLockAcquiredFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteFullWifiLockAcquiredFromSourceLocked(ws);
}
}
public void noteFullWifiLockReleasedFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteFullWifiLockReleasedFromSourceLocked(ws);
}
}
public void noteWifiScanStartedFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiScanStartedFromSourceLocked(ws);
}
}
public void noteWifiScanStoppedFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiScanStoppedFromSourceLocked(ws);
}
}
public void noteWifiMulticastEnabledFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiMulticastEnabledFromSourceLocked(ws);
}
}
public void noteWifiMulticastDisabledFromSource(WorkSource ws) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteWifiMulticastDisabledFromSourceLocked(ws);
}
}
public void noteNetworkInterfaceType(String iface, int type) {
enforceCallingPermission();
synchronized (mStats) {
mStats.noteNetworkInterfaceTypeLocked(iface, type);
}
}
public boolean isOnBattery() {
return mStats.isOnBattery();
}
public void setBatteryState(int status, int health, int plugType, int level,
int temp, int volt) {
enforceCallingPermission();
mStats.setBatteryState(status, health, plugType, level, temp, volt);
}
public long getAwakeTimeBattery() {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.BATTERY_STATS, null);
return mStats.getAwakeTimeBattery();
}
public long getAwakeTimePlugged() {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.BATTERY_STATS, null);
return mStats.getAwakeTimePlugged();
}
public void enforceCallingPermission() {
if (Binder.getCallingPid() == Process.myPid()) {
return;
}
mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS,
Binder.getCallingPid(), Binder.getCallingUid(), null);
}
private void dumpHelp(PrintWriter pw) {
pw.println("Battery stats (batteryinfo) dump options:");
pw.println(" [--checkin] [--reset] [--write] [-h]");
pw.println(" --checkin: format output for a checkin report.");
pw.println(" --reset: reset the stats, clearing all current data.");
pw.println(" --write: force write current collected stats to disk.");
pw.println(" -h: print this help text.");
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump BatteryStats from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
boolean isCheckin = false;
boolean noOutput = false;
if (args != null) {
for (String arg : args) {
if ("--checkin".equals(arg)) {
isCheckin = true;
} else if ("--reset".equals(arg)) {
synchronized (mStats) {
mStats.resetAllStatsLocked();
pw.println("Battery stats reset.");
noOutput = true;
}
} else if ("--write".equals(arg)) {
synchronized (mStats) {
mStats.writeSyncLocked();
pw.println("Battery stats written.");
noOutput = true;
}
} else if ("-h".equals(arg)) {
dumpHelp(pw);
return;
} else if ("-a".equals(arg)) {
// fall through
} else {
pw.println("Unknown option: " + arg);
dumpHelp(pw);
}
}
}
if (noOutput) {
return;
}
if (isCheckin) {
List<ApplicationInfo> apps = mContext.getPackageManager().getInstalledApplications(0);
synchronized (mStats) {
mStats.dumpCheckinLocked(pw, args, apps);
}
} else {
synchronized (mStats) {
mStats.dumpLocked(pw);
}
}
}
}