resolved conflicts for merge of 4e33e9c1 to master
Change-Id: I3a150497693009a4cf4300c8445a791c1e1eea3b
This commit is contained in:
@@ -99,6 +99,7 @@ class ServerThread extends Thread {
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DockObserver dock = null;
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UiModeManagerService uiMode = null;
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RecognitionManagerService recognition = null;
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ThrottleService throttle = null;
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// Critical services...
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try {
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@@ -268,6 +269,15 @@ class ServerThread extends Thread {
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Slog.e(TAG, "Failure starting Connectivity Service", e);
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}
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try {
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Slog.i(TAG, "Throttle Service");
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throttle = new ThrottleService(context);
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ServiceManager.addService(
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Context.THROTTLE_SERVICE, throttle);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting ThrottleService", e);
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}
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try {
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Slog.i(TAG, "Accessibility Manager");
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ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
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@@ -457,6 +467,7 @@ class ServerThread extends Thread {
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final BatteryService batteryF = battery;
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final ConnectivityService connectivityF = connectivity;
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final DockObserver dockF = dock;
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final ThrottleService throttleF = throttle;
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final UiModeManagerService uiModeF = uiMode;
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final AppWidgetService appWidgetF = appWidget;
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final WallpaperManagerService wallpaperF = wallpaper;
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@@ -488,6 +499,7 @@ class ServerThread extends Thread {
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if (wallpaperF != null) wallpaperF.systemReady();
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if (immF != null) immF.systemReady();
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if (locationF != null) locationF.systemReady();
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if (throttleF != null) throttleF.systemReady();
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}
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});
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729
services/java/com/android/server/ThrottleService.java
Normal file
729
services/java/com/android/server/ThrottleService.java
Normal file
@@ -0,0 +1,729 @@
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import android.app.AlarmManager;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.app.Service;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.content.SharedPreferences;
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import android.net.IThrottleManager;
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import android.net.ThrottleManager;
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import android.os.Binder;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.os.IBinder;
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import android.os.INetworkManagementService;
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import android.os.Looper;
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import android.os.Message;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.SystemClock;
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import android.os.SystemProperties;
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import android.provider.Settings;
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import android.util.Slog;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.Random;
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// TODO - add comments - reference the ThrottleManager for public API
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public class ThrottleService extends IThrottleManager.Stub {
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private static final String TESTING_ENABLED_PROPERTY = "persist.throttle.testing";
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private static final String TAG = "ThrottleService";
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private static boolean DBG = true;
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private Handler mHandler;
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private HandlerThread mThread;
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private Context mContext;
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private int mPolicyPollPeriodSec;
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private static final int DEFAULT_POLLING_PERIOD_SEC = 60 * 10;
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private static final int TESTING_POLLING_PERIOD_SEC = 60 * 1;
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private static final int TESTING_RESET_PERIOD_SEC = 60 * 3;
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private static final int PERIOD_COUNT = 6;
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private long mPolicyThreshold;
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// TODO - remove testing stuff?
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private static final long DEFAULT_TESTING_THRESHOLD = 1 * 1024 * 1024;
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private static final long DEFAULT_THRESHOLD = 0; // off by default
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private int mPolicyThrottleValue;
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private static final int DEFAULT_THROTTLE_VALUE = 100; // 100 Kbps
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private int mPolicyResetDay; // 1-28
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private long mLastRead; // read byte count from last poll
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private long mLastWrite; // write byte count from last poll
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private static final String ACTION_POLL = "com.android.server.ThrottleManager.action.POLL";
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private static int POLL_REQUEST = 0;
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private PendingIntent mPendingPollIntent;
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private static final String ACTION_RESET = "com.android.server.ThorottleManager.action.RESET";
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private static int RESET_REQUEST = 1;
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private PendingIntent mPendingResetIntent;
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private INetworkManagementService mNMService;
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private AlarmManager mAlarmManager;
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private NotificationManager mNotificationManager;
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private DataRecorder mRecorder;
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private int mThrottleLevel; // 0 for none, 1 for first throttle val, 2 for next, etc
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private String mPolicyIface;
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private static final int NOTIFICATION_WARNING = 2;
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private static final int NOTIFICATION_ALL = 0xFFFFFFFF;
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private int mPolicyNotificationsAllowedMask;
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private Notification mThrottlingNotification;
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private boolean mWarningNotificationSent = false;
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public ThrottleService(Context context) {
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if (DBG) Slog.d(TAG, "Starting ThrottleService");
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mContext = context;
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mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
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Intent pollIntent = new Intent(ACTION_POLL, null);
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mPendingPollIntent = PendingIntent.getBroadcast(mContext, POLL_REQUEST, pollIntent, 0);
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Intent resetIntent = new Intent(ACTION_RESET, null);
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mPendingResetIntent = PendingIntent.getBroadcast(mContext, RESET_REQUEST, resetIntent, 0);
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IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
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mNMService = INetworkManagementService.Stub.asInterface(b);
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mNotificationManager = (NotificationManager)mContext.getSystemService(
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Context.NOTIFICATION_SERVICE);
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}
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private void enforceAccessPermission() {
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mContext.enforceCallingOrSelfPermission(
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android.Manifest.permission.ACCESS_NETWORK_STATE,
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"ThrottleService");
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}
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public synchronized long getResetTime(String iface) {
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enforceAccessPermission();
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if (iface.equals(mPolicyIface) && (mRecorder != null)) mRecorder.getPeriodEnd();
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return 0;
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}
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public synchronized long getPeriodStartTime(String iface) {
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enforceAccessPermission();
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if (iface.equals(mPolicyIface) && (mRecorder != null)) mRecorder.getPeriodStart();
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return 0;
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}
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//TODO - a better name? getCliffByteCountThreshold?
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public synchronized long getCliffThreshold(String iface, int cliff) {
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enforceAccessPermission();
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if ((cliff == 0) && iface.equals(mPolicyIface)) {
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return mPolicyThreshold;
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}
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return 0;
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}
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// TODO - a better name? getThrottleRate?
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public synchronized int getCliffLevel(String iface, int cliff) {
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enforceAccessPermission();
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if ((cliff == 0) && iface.equals(mPolicyIface)) {
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return mPolicyThrottleValue;
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}
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return 0;
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}
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public synchronized long getByteCount(String iface, int dir, int period, int ago) {
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enforceAccessPermission();
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if (iface.equals(mPolicyIface) &&
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(period == ThrottleManager.PERIOD_CYCLE) &&
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(mRecorder != null)) {
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if (dir == ThrottleManager.DIRECTION_TX) return mRecorder.getPeriodTx(ago);
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if (dir == ThrottleManager.DIRECTION_RX) return mRecorder.getPeriodRx(ago);
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}
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return 0;
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}
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// TODO - a better name - getCurrentThrottleRate?
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public synchronized int getThrottle(String iface) {
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enforceAccessPermission();
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if (iface.equals(mPolicyIface) && (mThrottleLevel == 1)) {
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return mPolicyThrottleValue;
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}
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return 0;
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}
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void systemReady() {
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if (DBG) Slog.d(TAG, "systemReady");
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mContext.registerReceiver(
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new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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mHandler.obtainMessage(EVENT_POLL_ALARM).sendToTarget();
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}
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}, new IntentFilter(ACTION_POLL));
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mContext.registerReceiver(
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new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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mHandler.obtainMessage(EVENT_RESET_ALARM).sendToTarget();
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}
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}, new IntentFilter(ACTION_RESET));
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// use a new thread as we don't want to stall the system for file writes
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mThread = new HandlerThread(TAG);
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mThread.start();
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mHandler = new MyHandler(mThread.getLooper());
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mHandler.obtainMessage(EVENT_REBOOT_RECOVERY).sendToTarget();
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}
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private static final int EVENT_REBOOT_RECOVERY = 0;
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private static final int EVENT_POLICY_CHANGED = 1;
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private static final int EVENT_POLL_ALARM = 2;
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private static final int EVENT_RESET_ALARM = 3;
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private class MyHandler extends Handler {
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public MyHandler(Looper l) {
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super(l);
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case EVENT_REBOOT_RECOVERY:
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onRebootRecovery();
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break;
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case EVENT_POLICY_CHANGED:
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onPolicyChanged();
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break;
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case EVENT_POLL_ALARM:
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onPollAlarm();
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break;
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case EVENT_RESET_ALARM:
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onResetAlarm();
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}
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}
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private void onRebootRecovery() {
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if (DBG) Slog.d(TAG, "onRebootRecovery");
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// check for sim change TODO
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// reregister for notification of policy change
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// register for roaming indication change
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// check for roaming TODO
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mRecorder = new DataRecorder(mContext, ThrottleService.this);
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// get policy
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mHandler.obtainMessage(EVENT_POLICY_CHANGED).sendToTarget();
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// evaluate current conditions
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mHandler.obtainMessage(EVENT_POLL_ALARM).sendToTarget();
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}
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private void onSimChange() {
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// TODO
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}
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// check for new policy info (threshold limit/value/etc)
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private void onPolicyChanged() {
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boolean testing = SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true");
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int pollingPeriod = DEFAULT_POLLING_PERIOD_SEC;
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if (testing) pollingPeriod = TESTING_POLLING_PERIOD_SEC;
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mPolicyPollPeriodSec = Settings.Secure.getInt(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_POLLING_SEC, pollingPeriod);
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// TODO - remove testing stuff?
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long defaultThreshold = DEFAULT_THRESHOLD;
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if (testing) defaultThreshold = DEFAULT_TESTING_THRESHOLD;
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synchronized (ThrottleService.this) {
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mPolicyThreshold = Settings.Secure.getLong(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_THRESHOLD, defaultThreshold);
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mPolicyThrottleValue = Settings.Secure.getInt(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_VALUE, DEFAULT_THROTTLE_VALUE);
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}
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mPolicyResetDay = Settings.Secure.getInt(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_RESET_DAY, -1);
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if (mPolicyResetDay == -1 ||
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((mPolicyResetDay < 1) || (mPolicyResetDay > 28))) {
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Random g = new Random();
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mPolicyResetDay = 1 + g.nextInt(28); // 1-28
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Settings.Secure.putInt(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_RESET_DAY, mPolicyResetDay);
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}
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synchronized (ThrottleService.this) {
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mPolicyIface = Settings.Secure.getString(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_IFACE);
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// TODO - read default from resource so it's device-specific
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if (mPolicyIface == null) mPolicyIface = "rmnet0";
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}
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mPolicyNotificationsAllowedMask = Settings.Secure.getInt(mContext.getContentResolver(),
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Settings.Secure.THROTTLE_NOTIFICATION_TYPE, NOTIFICATION_ALL);
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Slog.d(TAG, "onPolicyChanged testing=" + testing +", period=" + mPolicyPollPeriodSec +
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", threshold=" + mPolicyThreshold + ", value=" + mPolicyThrottleValue +
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", resetDay=" + mPolicyResetDay + ", noteType=" +
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mPolicyNotificationsAllowedMask);
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Calendar end = calculatePeriodEnd();
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Calendar start = calculatePeriodStart(end);
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mRecorder.setNextPeriod(start,end);
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mAlarmManager.cancel(mPendingResetIntent);
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mAlarmManager.set(AlarmManager.RTC_WAKEUP, end.getTimeInMillis(),
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mPendingResetIntent);
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}
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private void onPollAlarm() {
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long now = SystemClock.elapsedRealtime();
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long next = now + mPolicyPollPeriodSec*1000;
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long incRead = 0;
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long incWrite = 0;
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try {
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incRead = mNMService.getInterfaceRxCounter(mPolicyIface) - mLastRead;
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incWrite = mNMService.getInterfaceTxCounter(mPolicyIface) - mLastWrite;
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} catch (RemoteException e) {
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Slog.e(TAG, "got remoteException in onPollAlarm:" + e);
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}
|
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mRecorder.addData(incRead, incWrite);
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long periodRx = mRecorder.getPeriodRx(0);
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long periodTx = mRecorder.getPeriodTx(0);
|
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long total = periodRx + periodTx;
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if (DBG) {
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Slog.d(TAG, "onPollAlarm - now =" + now + ", read =" + incRead +
|
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", written =" + incWrite + ", new total =" + total);
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}
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mLastRead += incRead;
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mLastWrite += incWrite;
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|
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checkThrottleAndPostNotification(total);
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|
||||
Intent broadcast = new Intent(ThrottleManager.THROTTLE_POLL_ACTION);
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broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_READ, periodRx);
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broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_WRITE, periodTx);
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broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_START, mRecorder.getPeriodStart());
|
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broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_END, mRecorder.getPeriodEnd());
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mContext.sendStickyBroadcast(broadcast);
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|
||||
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, next, mPendingPollIntent);
|
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}
|
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|
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private void checkThrottleAndPostNotification(long currentTotal) {
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// are we even doing this?
|
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if (mPolicyThreshold == 0)
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return;
|
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|
||||
// check if we need to throttle
|
||||
if (currentTotal > mPolicyThreshold) {
|
||||
if (mThrottleLevel != 1) {
|
||||
synchronized (ThrottleService.this) {
|
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mThrottleLevel = 1;
|
||||
}
|
||||
if (DBG) Slog.d(TAG, "Threshold " + mPolicyThreshold + " exceeded!");
|
||||
try {
|
||||
mNMService.setInterfaceThrottle(mPolicyIface,
|
||||
mPolicyThrottleValue, mPolicyThrottleValue);
|
||||
} catch (Exception e) {
|
||||
Slog.e(TAG, "error setting Throttle: " + e);
|
||||
}
|
||||
|
||||
mNotificationManager.cancel(com.android.internal.R.drawable.
|
||||
stat_sys_throttle_warning);
|
||||
|
||||
postNotification(com.android.internal.R.string.throttled_notification_title,
|
||||
com.android.internal.R.string.throttled_notification_message,
|
||||
com.android.internal.R.drawable.stat_sys_throttled);
|
||||
|
||||
Intent broadcast = new Intent(ThrottleManager.THROTTLE_ACTION);
|
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broadcast.putExtra(ThrottleManager.EXTRA_THROTTLE_LEVEL, mPolicyThrottleValue);
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mContext.sendStickyBroadcast(broadcast);
|
||||
|
||||
} // else already up!
|
||||
} else {
|
||||
if ((mPolicyNotificationsAllowedMask & NOTIFICATION_WARNING) != 0) {
|
||||
// check if we should warn about throttle
|
||||
if (currentTotal > (mPolicyThreshold/2) && !mWarningNotificationSent) {
|
||||
mWarningNotificationSent = true;
|
||||
mNotificationManager.cancel(com.android.internal.R.drawable.
|
||||
stat_sys_throttle_warning);
|
||||
postNotification(com.android.internal.R.string.
|
||||
throttle_warning_notification_title,
|
||||
com.android.internal.R.string.
|
||||
throttle_warning_notification_message,
|
||||
com.android.internal.R.drawable.stat_sys_throttle_warning);
|
||||
} else {
|
||||
mWarningNotificationSent =false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void postNotification(int titleInt, int messageInt, int icon) {
|
||||
Intent intent = new Intent();
|
||||
// TODO - fix up intent
|
||||
intent.setClassName("com.android.settings", "com.android.settings.TetherSettings");
|
||||
intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
|
||||
|
||||
PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0);
|
||||
|
||||
Resources r = Resources.getSystem();
|
||||
CharSequence title = r.getText(titleInt);
|
||||
CharSequence message = r.getText(messageInt);
|
||||
if (mThrottlingNotification == null) {
|
||||
mThrottlingNotification = new Notification();
|
||||
mThrottlingNotification.when = 0;
|
||||
// TODO - fixup icon
|
||||
mThrottlingNotification.icon = icon;
|
||||
mThrottlingNotification.defaults &= ~Notification.DEFAULT_SOUND;
|
||||
// mThrottlingNotification.flags = Notification.FLAG_ONGOING_EVENT;
|
||||
}
|
||||
mThrottlingNotification.tickerText = title;
|
||||
mThrottlingNotification.setLatestEventInfo(mContext, title, message, pi);
|
||||
|
||||
mNotificationManager.notify(mThrottlingNotification.icon, mThrottlingNotification);
|
||||
}
|
||||
|
||||
|
||||
private synchronized void clearThrottleAndNotification() {
|
||||
if (mThrottleLevel == 1) {
|
||||
synchronized (ThrottleService.this) {
|
||||
mThrottleLevel = 0;
|
||||
}
|
||||
try {
|
||||
mNMService.setInterfaceThrottle(mPolicyIface, -1, -1);
|
||||
} catch (Exception e) {
|
||||
Slog.e(TAG, "error clearing Throttle: " + e);
|
||||
}
|
||||
Intent broadcast = new Intent(ThrottleManager.THROTTLE_ACTION);
|
||||
broadcast.putExtra(ThrottleManager.EXTRA_THROTTLE_LEVEL, -1);
|
||||
mContext.sendStickyBroadcast(broadcast);
|
||||
}
|
||||
mNotificationManager.cancel(com.android.internal.R.drawable.stat_sys_throttle_warning);
|
||||
mNotificationManager.cancel(com.android.internal.R.drawable.stat_sys_throttled);
|
||||
mWarningNotificationSent = false;
|
||||
}
|
||||
|
||||
private Calendar calculatePeriodEnd() {
|
||||
Calendar end = GregorianCalendar.getInstance();
|
||||
int day = end.get(Calendar.DAY_OF_MONTH);
|
||||
end.set(Calendar.DAY_OF_MONTH, mPolicyResetDay);
|
||||
end.set(Calendar.HOUR_OF_DAY, 0);
|
||||
end.set(Calendar.MINUTE, 0);
|
||||
if (day >= mPolicyResetDay) {
|
||||
int month = end.get(Calendar.MONTH);
|
||||
if (month == Calendar.DECEMBER) {
|
||||
end.set(Calendar.YEAR, end.get(Calendar.YEAR) + 1);
|
||||
month = Calendar.JANUARY - 1;
|
||||
}
|
||||
end.set(Calendar.MONTH, month + 1);
|
||||
}
|
||||
|
||||
// TODO - remove!
|
||||
if (SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true")) {
|
||||
end = GregorianCalendar.getInstance();
|
||||
end.add(Calendar.SECOND, TESTING_RESET_PERIOD_SEC);
|
||||
}
|
||||
return end;
|
||||
}
|
||||
private Calendar calculatePeriodStart(Calendar end) {
|
||||
Calendar start = (Calendar)end.clone();
|
||||
int month = end.get(Calendar.MONTH);
|
||||
if (end.get(Calendar.MONTH) == Calendar.JANUARY) {
|
||||
month = Calendar.DECEMBER + 1;
|
||||
start.set(Calendar.YEAR, start.get(Calendar.YEAR) - 1);
|
||||
}
|
||||
start.set(Calendar.MONTH, month - 1);
|
||||
|
||||
// TODO - remove!!
|
||||
if (SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true")) {
|
||||
start = (Calendar)end.clone();
|
||||
start.add(Calendar.SECOND, -TESTING_RESET_PERIOD_SEC);
|
||||
}
|
||||
return start;
|
||||
}
|
||||
|
||||
private void onResetAlarm() {
|
||||
if (DBG) {
|
||||
Slog.d(TAG, "onResetAlarm - last period had " + mRecorder.getPeriodRx(0) +
|
||||
" bytes read and " + mRecorder.getPeriodTx(0) + " written");
|
||||
}
|
||||
|
||||
Calendar end = calculatePeriodEnd();
|
||||
Calendar start = calculatePeriodStart(end);
|
||||
|
||||
clearThrottleAndNotification();
|
||||
|
||||
mRecorder.setNextPeriod(start,end);
|
||||
|
||||
mAlarmManager.set(AlarmManager.RTC_WAKEUP, end.getTimeInMillis(),
|
||||
mPendingResetIntent);
|
||||
}
|
||||
}
|
||||
|
||||
// records bytecount data for a given time and accumulates it into larger time windows
|
||||
// for logging and other purposes
|
||||
//
|
||||
// since time can be changed (user or network action) we will have to track the time of the
|
||||
// last recording and deal with it.
|
||||
private static class DataRecorder {
|
||||
long[] mPeriodRxData;
|
||||
long[] mPeriodTxData;
|
||||
int mCurrentPeriod;
|
||||
int mPeriodCount;
|
||||
|
||||
Calendar mPeriodStart;
|
||||
Calendar mPeriodEnd;
|
||||
|
||||
ThrottleService mParent;
|
||||
Context mContext;
|
||||
SharedPreferences mSharedPreferences;
|
||||
|
||||
DataRecorder(Context context, ThrottleService parent) {
|
||||
mContext = context;
|
||||
mParent = parent;
|
||||
|
||||
synchronized (mParent) {
|
||||
mPeriodCount = 6;
|
||||
mPeriodRxData = new long[mPeriodCount];
|
||||
mPeriodTxData = new long[mPeriodCount];
|
||||
|
||||
mPeriodStart = Calendar.getInstance();
|
||||
mPeriodEnd = Calendar.getInstance();
|
||||
|
||||
mSharedPreferences = mContext.getSharedPreferences("ThrottleData",
|
||||
android.content.Context.MODE_PRIVATE);
|
||||
|
||||
zeroData(0);
|
||||
retrieve();
|
||||
}
|
||||
}
|
||||
|
||||
void setNextPeriod(Calendar start, Calendar end) {
|
||||
if (DBG) {
|
||||
Slog.d(TAG, "setting next period to " + start.getTimeInMillis() +
|
||||
" --until-- " + end.getTimeInMillis());
|
||||
}
|
||||
// if we roll back in time to a previous period, toss out the current data
|
||||
// if we roll forward to the next period, advance to the next
|
||||
|
||||
if (end.before(mPeriodStart)) {
|
||||
if (DBG) {
|
||||
Slog.d(TAG, " old start was " + mPeriodStart.getTimeInMillis() + ", wiping");
|
||||
}
|
||||
synchronized (mParent) {
|
||||
mPeriodRxData[mCurrentPeriod] = 0;
|
||||
mPeriodTxData[mCurrentPeriod] = 0;
|
||||
}
|
||||
} else if(start.after(mPeriodEnd)) {
|
||||
if (DBG) {
|
||||
Slog.d(TAG, " old end was " + mPeriodEnd.getTimeInMillis() + ", following");
|
||||
}
|
||||
synchronized (mParent) {
|
||||
++mCurrentPeriod;
|
||||
if (mCurrentPeriod >= mPeriodCount) mCurrentPeriod = 0;
|
||||
mPeriodRxData[mCurrentPeriod] = 0;
|
||||
mPeriodTxData[mCurrentPeriod] = 0;
|
||||
}
|
||||
} else {
|
||||
if (DBG) Slog.d(TAG, " we fit - ammending to last period");
|
||||
}
|
||||
setPeriodStart(start);
|
||||
setPeriodEnd(end);
|
||||
record();
|
||||
}
|
||||
|
||||
public long getPeriodEnd() {
|
||||
synchronized (mParent) {
|
||||
return mPeriodEnd.getTimeInMillis();
|
||||
}
|
||||
}
|
||||
|
||||
private void setPeriodEnd(Calendar end) {
|
||||
synchronized (mParent) {
|
||||
mPeriodEnd = end;
|
||||
}
|
||||
}
|
||||
|
||||
public long getPeriodStart() {
|
||||
synchronized (mParent) {
|
||||
return mPeriodStart.getTimeInMillis();
|
||||
}
|
||||
}
|
||||
|
||||
private void setPeriodStart(Calendar start) {
|
||||
synchronized (mParent) {
|
||||
mPeriodStart = start;
|
||||
}
|
||||
}
|
||||
|
||||
public int getPeriodCount() {
|
||||
synchronized (mParent) {
|
||||
return mPeriodCount;
|
||||
}
|
||||
}
|
||||
|
||||
private void zeroData(int field) {
|
||||
synchronized (mParent) {
|
||||
for(int period = 0; period<mPeriodCount; period++) {
|
||||
mPeriodRxData[period] = 0;
|
||||
mPeriodTxData[period] = 0;
|
||||
}
|
||||
mCurrentPeriod = 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// if time moves backward accumulate all read/write that's lost into the now
|
||||
// otherwise time moved forward.
|
||||
void addData(long bytesRead, long bytesWritten) {
|
||||
synchronized (mParent) {
|
||||
mPeriodRxData[mCurrentPeriod] += bytesRead;
|
||||
mPeriodTxData[mCurrentPeriod] += bytesWritten;
|
||||
}
|
||||
record();
|
||||
}
|
||||
|
||||
private void record() {
|
||||
// serialize into a secure setting
|
||||
|
||||
// 1 int mPeriodCount
|
||||
// 13*6 long[PERIOD_COUNT] mPeriodRxData
|
||||
// 13*6 long[PERIOD_COUNT] mPeriodTxData
|
||||
// 1 int mCurrentPeriod
|
||||
// 13 long periodStartMS
|
||||
// 13 long periodEndMS
|
||||
// 199 chars max
|
||||
StringBuilder builder = new StringBuilder();
|
||||
builder.append(mPeriodCount);
|
||||
builder.append(":");
|
||||
for(int i=0; i < mPeriodCount; i++) {
|
||||
builder.append(mPeriodRxData[i]);
|
||||
builder.append(":");
|
||||
}
|
||||
for(int i=0; i < mPeriodCount; i++) {
|
||||
builder.append(mPeriodTxData[i]);
|
||||
builder.append(":");
|
||||
}
|
||||
builder.append(mCurrentPeriod);
|
||||
builder.append(":");
|
||||
builder.append(mPeriodStart.getTimeInMillis());
|
||||
builder.append(":");
|
||||
builder.append(mPeriodEnd.getTimeInMillis());
|
||||
builder.append(":");
|
||||
|
||||
SharedPreferences.Editor editor = mSharedPreferences.edit();
|
||||
|
||||
editor.putString("Data", builder.toString());
|
||||
editor.commit();
|
||||
}
|
||||
|
||||
private void retrieve() {
|
||||
String data = mSharedPreferences.getString("Data", "");
|
||||
// String data = Settings.Secure.getString(mContext.getContentResolver(),
|
||||
// Settings.Secure.THROTTLE_VALUE);
|
||||
if (data == null || data.length() == 0) return;
|
||||
|
||||
synchronized (mParent) {
|
||||
String[] parsed = data.split(":");
|
||||
int parsedUsed = 0;
|
||||
if (parsed.length < 6) return;
|
||||
|
||||
mPeriodCount = Integer.parseInt(parsed[parsedUsed++]);
|
||||
if (parsed.length != 4 + (2 * mPeriodCount)) return;
|
||||
|
||||
mPeriodRxData = new long[mPeriodCount];
|
||||
for(int i=0; i < mPeriodCount; i++) {
|
||||
mPeriodRxData[i] = Long.parseLong(parsed[parsedUsed++]);
|
||||
}
|
||||
mPeriodTxData = new long[mPeriodCount];
|
||||
for(int i=0; i < mPeriodCount; i++) {
|
||||
mPeriodTxData[i] = Long.parseLong(parsed[parsedUsed++]);
|
||||
}
|
||||
mCurrentPeriod = Integer.parseInt(parsed[parsedUsed++]);
|
||||
mPeriodStart = new GregorianCalendar();
|
||||
mPeriodStart.setTimeInMillis(Long.parseLong(parsed[parsedUsed++]));
|
||||
mPeriodEnd = new GregorianCalendar();
|
||||
mPeriodEnd.setTimeInMillis(Long.parseLong(parsed[parsedUsed++]));
|
||||
}
|
||||
}
|
||||
|
||||
long getPeriodRx(int which) {
|
||||
if (DBG) { // TODO - remove
|
||||
Slog.d(TAG, "reading slot "+ which +" with current =" + mCurrentPeriod);
|
||||
for(int x = 0; x<mPeriodCount; x++) {
|
||||
Slog.d(TAG, " " + x + " = " + mPeriodRxData[x]);
|
||||
}
|
||||
}
|
||||
synchronized (mParent) {
|
||||
if (which > mPeriodCount) return 0;
|
||||
which = mCurrentPeriod - which;
|
||||
if (which < 0) which += mPeriodCount;
|
||||
return mPeriodRxData[which];
|
||||
}
|
||||
}
|
||||
long getPeriodTx(int which) {
|
||||
synchronized (mParent) {
|
||||
if (which > mPeriodCount) return 0;
|
||||
which = mCurrentPeriod - which;
|
||||
if (which < 0) which += mPeriodCount;
|
||||
return mPeriodTxData[which];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@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 ThrottleService " +
|
||||
"from from pid=" + Binder.getCallingPid() + ", uid=" +
|
||||
Binder.getCallingUid());
|
||||
return;
|
||||
}
|
||||
pw.println();
|
||||
|
||||
pw.println("The threshold is " + mPolicyThreshold +
|
||||
", after which you experince throttling to " +
|
||||
mPolicyThrottleValue + "kbps");
|
||||
pw.println("Current period is " +
|
||||
(mRecorder.getPeriodEnd() - mRecorder.getPeriodStart())/1000 + " seconds long " +
|
||||
"and ends in " + (mRecorder.getPeriodEnd() - System.currentTimeMillis()) / 1000 +
|
||||
" seconds.");
|
||||
pw.println("Polling every " + mPolicyPollPeriodSec + " seconds");
|
||||
for (int i = 0; i < mRecorder.getPeriodCount(); i++) {
|
||||
pw.println(" Period[" + i + "] - read:" + mRecorder.getPeriodRx(i) + ", written:" +
|
||||
mRecorder.getPeriodTx(i));
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user