Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 19 | import com.android.internal.R; |
| 20 | import com.android.internal.telephony.TelephonyProperties; |
| 21 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 22 | import android.app.AlarmManager; |
| 23 | import android.app.Notification; |
| 24 | import android.app.NotificationManager; |
| 25 | import android.app.PendingIntent; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 26 | import android.content.BroadcastReceiver; |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 27 | import android.content.ContentResolver; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 28 | import android.content.Context; |
| 29 | import android.content.Intent; |
| 30 | import android.content.IntentFilter; |
| 31 | import android.content.pm.PackageManager; |
| 32 | import android.content.res.Resources; |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 33 | import android.database.ContentObserver; |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 34 | import android.net.INetworkManagementEventObserver; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 35 | import android.net.IThrottleManager; |
Jeff Sharkey | 9a13f36 | 2011-04-26 16:25:36 -0700 | [diff] [blame] | 36 | import android.net.NetworkStats; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 37 | import android.net.ThrottleManager; |
| 38 | import android.os.Binder; |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 39 | import android.os.Environment; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 40 | import android.os.Handler; |
| 41 | import android.os.HandlerThread; |
| 42 | import android.os.IBinder; |
| 43 | import android.os.INetworkManagementService; |
| 44 | import android.os.Looper; |
| 45 | import android.os.Message; |
| 46 | import android.os.RemoteException; |
| 47 | import android.os.ServiceManager; |
| 48 | import android.os.SystemClock; |
| 49 | import android.os.SystemProperties; |
| 50 | import android.provider.Settings; |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 51 | import android.telephony.TelephonyManager; |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 52 | import android.text.TextUtils; |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 53 | import android.util.NtpTrustedTime; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 54 | import android.util.Slog; |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 55 | import android.util.TrustedTime; |
Robert Greenwalt | 5f99689 | 2010-04-08 16:19:24 -0700 | [diff] [blame] | 56 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 57 | import java.io.BufferedWriter; |
| 58 | import java.io.File; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 59 | import java.io.FileDescriptor; |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 60 | import java.io.FileInputStream; |
| 61 | import java.io.FileWriter; |
| 62 | import java.io.IOException; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 63 | import java.io.PrintWriter; |
| 64 | import java.util.Calendar; |
| 65 | import java.util.GregorianCalendar; |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 66 | import java.util.Properties; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 67 | import java.util.Random; |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 68 | import java.util.concurrent.atomic.AtomicInteger; |
| 69 | import java.util.concurrent.atomic.AtomicLong; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 70 | |
| 71 | // TODO - add comments - reference the ThrottleManager for public API |
| 72 | public class ThrottleService extends IThrottleManager.Stub { |
| 73 | |
| 74 | private static final String TESTING_ENABLED_PROPERTY = "persist.throttle.testing"; |
| 75 | |
| 76 | private static final String TAG = "ThrottleService"; |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 77 | private static final boolean DBG = true; |
| 78 | private static final boolean VDBG = false; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 79 | private Handler mHandler; |
| 80 | private HandlerThread mThread; |
| 81 | |
| 82 | private Context mContext; |
| 83 | |
Robert Greenwalt | fb9896b | 2010-04-22 15:39:38 -0700 | [diff] [blame] | 84 | private static final int INITIAL_POLL_DELAY_SEC = 90; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 85 | private static final int TESTING_POLLING_PERIOD_SEC = 60 * 1; |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 86 | private static final int TESTING_RESET_PERIOD_SEC = 60 * 10; |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 87 | private static final long TESTING_THRESHOLD = 1 * 1024 * 1024; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 88 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 89 | private static final long MAX_NTP_CACHE_AGE = 24 * 60 * 60 * 1000; |
| 90 | private static final long MAX_NTP_FETCH_WAIT = 20 * 1000; |
| 91 | |
| 92 | private long mMaxNtpCacheAge = MAX_NTP_CACHE_AGE; |
| 93 | |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 94 | private int mPolicyPollPeriodSec; |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 95 | private AtomicLong mPolicyThreshold; |
| 96 | private AtomicInteger mPolicyThrottleValue; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 97 | private int mPolicyResetDay; // 1-28 |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 98 | private int mPolicyNotificationsAllowedMask; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 99 | |
| 100 | private long mLastRead; // read byte count from last poll |
| 101 | private long mLastWrite; // write byte count from last poll |
| 102 | |
| 103 | private static final String ACTION_POLL = "com.android.server.ThrottleManager.action.POLL"; |
| 104 | private static int POLL_REQUEST = 0; |
| 105 | private PendingIntent mPendingPollIntent; |
| 106 | private static final String ACTION_RESET = "com.android.server.ThorottleManager.action.RESET"; |
| 107 | private static int RESET_REQUEST = 1; |
| 108 | private PendingIntent mPendingResetIntent; |
| 109 | |
| 110 | private INetworkManagementService mNMService; |
| 111 | private AlarmManager mAlarmManager; |
| 112 | private NotificationManager mNotificationManager; |
| 113 | |
| 114 | private DataRecorder mRecorder; |
| 115 | |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 116 | private String mIface; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 117 | |
| 118 | private static final int NOTIFICATION_WARNING = 2; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 119 | |
| 120 | private Notification mThrottlingNotification; |
| 121 | private boolean mWarningNotificationSent = false; |
| 122 | |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 123 | private InterfaceObserver mInterfaceObserver; |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 124 | private SettingsObserver mSettingsObserver; |
| 125 | |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 126 | private AtomicInteger mThrottleIndex; // 0 for none, 1 for first throttle val, 2 for next, etc |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 127 | private static final int THROTTLE_INDEX_UNINITIALIZED = -1; |
| 128 | private static final int THROTTLE_INDEX_UNTHROTTLED = 0; |
| 129 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 130 | private static final String PROPERTIES_FILE = "/etc/gps.conf"; |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 131 | |
| 132 | private Intent mPollStickyBroadcast; |
| 133 | |
| 134 | private TrustedTime mTime; |
| 135 | |
| 136 | private static INetworkManagementService getNetworkManagementService() { |
| 137 | final IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE); |
| 138 | return INetworkManagementService.Stub.asInterface(b); |
| 139 | } |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 140 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 141 | public ThrottleService(Context context) { |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 142 | // TODO: move to using cached NtpTrustedTime |
| 143 | this(context, getNetworkManagementService(), new NtpTrustedTime(), |
| 144 | context.getResources().getString(R.string.config_datause_iface)); |
| 145 | } |
| 146 | |
| 147 | public ThrottleService(Context context, INetworkManagementService nmService, TrustedTime time, |
| 148 | String iface) { |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 149 | if (VDBG) Slog.v(TAG, "Starting ThrottleService"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 150 | mContext = context; |
| 151 | |
Robert Greenwalt | 24488bd | 2010-05-10 16:56:43 -0700 | [diff] [blame] | 152 | mPolicyThreshold = new AtomicLong(); |
| 153 | mPolicyThrottleValue = new AtomicInteger(); |
| 154 | mThrottleIndex = new AtomicInteger(); |
| 155 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 156 | mIface = iface; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 157 | mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE); |
| 158 | Intent pollIntent = new Intent(ACTION_POLL, null); |
| 159 | mPendingPollIntent = PendingIntent.getBroadcast(mContext, POLL_REQUEST, pollIntent, 0); |
| 160 | Intent resetIntent = new Intent(ACTION_RESET, null); |
| 161 | mPendingResetIntent = PendingIntent.getBroadcast(mContext, RESET_REQUEST, resetIntent, 0); |
| 162 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 163 | mNMService = nmService; |
| 164 | mTime = time; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 165 | |
| 166 | mNotificationManager = (NotificationManager)mContext.getSystemService( |
| 167 | Context.NOTIFICATION_SERVICE); |
| 168 | } |
| 169 | |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 170 | private static class InterfaceObserver extends INetworkManagementEventObserver.Stub { |
| 171 | private int mMsg; |
| 172 | private Handler mHandler; |
| 173 | private String mIface; |
| 174 | |
| 175 | InterfaceObserver(Handler handler, int msg, String iface) { |
| 176 | super(); |
| 177 | mHandler = handler; |
| 178 | mMsg = msg; |
| 179 | mIface = iface; |
| 180 | } |
| 181 | |
Wink Saville | 1a7e671 | 2011-01-09 12:16:38 -0800 | [diff] [blame] | 182 | public void interfaceLinkStatusChanged(String iface, boolean link) { |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 183 | if (link) { |
| 184 | if (TextUtils.equals(iface, mIface)) { |
| 185 | mHandler.obtainMessage(mMsg).sendToTarget(); |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | public void interfaceAdded(String iface) { |
| 191 | // TODO - an interface added in the UP state should also trigger a StatusChanged |
| 192 | // notification.. |
| 193 | if (TextUtils.equals(iface, mIface)) { |
| 194 | mHandler.obtainMessage(mMsg).sendToTarget(); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | public void interfaceRemoved(String iface) {} |
| 199 | } |
| 200 | |
| 201 | |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 202 | private static class SettingsObserver extends ContentObserver { |
| 203 | private int mMsg; |
| 204 | private Handler mHandler; |
| 205 | SettingsObserver(Handler handler, int msg) { |
| 206 | super(handler); |
| 207 | mHandler = handler; |
| 208 | mMsg = msg; |
| 209 | } |
| 210 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 211 | void register(Context context) { |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 212 | ContentResolver resolver = context.getContentResolver(); |
| 213 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
| 214 | Settings.Secure.THROTTLE_POLLING_SEC), false, this); |
| 215 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 216 | Settings.Secure.THROTTLE_THRESHOLD_BYTES), false, this); |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 217 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 218 | Settings.Secure.THROTTLE_VALUE_KBITSPS), false, this); |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 219 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
| 220 | Settings.Secure.THROTTLE_RESET_DAY), false, this); |
| 221 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
| 222 | Settings.Secure.THROTTLE_NOTIFICATION_TYPE), false, this); |
| 223 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 224 | Settings.Secure.THROTTLE_HELP_URI), false, this); |
Robert Greenwalt | d1055a2 | 2010-05-25 15:54:52 -0700 | [diff] [blame] | 225 | resolver.registerContentObserver(Settings.Secure.getUriFor( |
| 226 | Settings.Secure.THROTTLE_MAX_NTP_CACHE_AGE_SEC), false, this); |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 227 | } |
| 228 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 229 | void unregister(Context context) { |
| 230 | final ContentResolver resolver = context.getContentResolver(); |
| 231 | resolver.unregisterContentObserver(this); |
| 232 | } |
| 233 | |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 234 | @Override |
| 235 | public void onChange(boolean selfChange) { |
| 236 | mHandler.obtainMessage(mMsg).sendToTarget(); |
| 237 | } |
| 238 | } |
| 239 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 240 | private void enforceAccessPermission() { |
| 241 | mContext.enforceCallingOrSelfPermission( |
| 242 | android.Manifest.permission.ACCESS_NETWORK_STATE, |
| 243 | "ThrottleService"); |
| 244 | } |
| 245 | |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 246 | private long ntpToWallTime(long ntpTime) { |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 247 | // get time quickly without worrying about trusted state |
| 248 | long bestNow = mTime.hasCache() ? mTime.currentTimeMillis() |
| 249 | : System.currentTimeMillis(); |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 250 | long localNow = System.currentTimeMillis(); |
| 251 | return localNow + (ntpTime - bestNow); |
| 252 | } |
| 253 | |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 254 | // TODO - fetch for the iface |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 255 | // return time in the local, system wall time, correcting for the use of ntp |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 256 | |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 257 | public long getResetTime(String iface) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 258 | enforceAccessPermission(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 259 | long resetTime = 0; |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 260 | if (mRecorder != null) { |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 261 | resetTime = mRecorder.getPeriodEnd(); |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 262 | } |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 263 | resetTime = ntpToWallTime(resetTime); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 264 | return resetTime; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 265 | } |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 266 | |
| 267 | // TODO - fetch for the iface |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 268 | // return time in the local, system wall time, correcting for the use of ntp |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 269 | public long getPeriodStartTime(String iface) { |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 270 | long startTime = 0; |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 271 | enforceAccessPermission(); |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 272 | if (mRecorder != null) { |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 273 | startTime = mRecorder.getPeriodStart(); |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 274 | } |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 275 | startTime = ntpToWallTime(startTime); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 276 | return startTime; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 277 | } |
| 278 | //TODO - a better name? getCliffByteCountThreshold? |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 279 | // TODO - fetch for the iface |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 280 | public long getCliffThreshold(String iface, int cliff) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 281 | enforceAccessPermission(); |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 282 | if (cliff == 1) { |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 283 | return mPolicyThreshold.get(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 284 | } |
| 285 | return 0; |
| 286 | } |
| 287 | // TODO - a better name? getThrottleRate? |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 288 | // TODO - fetch for the iface |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 289 | public int getCliffLevel(String iface, int cliff) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 290 | enforceAccessPermission(); |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 291 | if (cliff == 1) { |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 292 | return mPolicyThrottleValue.get(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 293 | } |
| 294 | return 0; |
| 295 | } |
| 296 | |
Irfan Sheriff | c9b6851 | 2010-04-08 14:12:33 -0700 | [diff] [blame] | 297 | public String getHelpUri() { |
| 298 | enforceAccessPermission(); |
| 299 | return Settings.Secure.getString(mContext.getContentResolver(), |
| 300 | Settings.Secure.THROTTLE_HELP_URI); |
| 301 | } |
| 302 | |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 303 | // TODO - fetch for the iface |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 304 | public long getByteCount(String iface, int dir, int period, int ago) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 305 | enforceAccessPermission(); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 306 | if ((period == ThrottleManager.PERIOD_CYCLE) && (mRecorder != null)) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 307 | if (dir == ThrottleManager.DIRECTION_TX) return mRecorder.getPeriodTx(ago); |
| 308 | if (dir == ThrottleManager.DIRECTION_RX) return mRecorder.getPeriodRx(ago); |
| 309 | } |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | // TODO - a better name - getCurrentThrottleRate? |
Irfan Sheriff | cf28236 | 2010-04-16 16:53:20 -0700 | [diff] [blame] | 314 | // TODO - fetch for the iface |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 315 | public int getThrottle(String iface) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 316 | enforceAccessPermission(); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 317 | if (mThrottleIndex.get() == 1) { |
| 318 | return mPolicyThrottleValue.get(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 319 | } |
| 320 | return 0; |
| 321 | } |
| 322 | |
| 323 | void systemReady() { |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 324 | if (VDBG) Slog.v(TAG, "systemReady"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 325 | mContext.registerReceiver( |
| 326 | new BroadcastReceiver() { |
| 327 | @Override |
| 328 | public void onReceive(Context context, Intent intent) { |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 329 | dispatchPoll(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 330 | } |
| 331 | }, new IntentFilter(ACTION_POLL)); |
| 332 | |
| 333 | mContext.registerReceiver( |
| 334 | new BroadcastReceiver() { |
| 335 | @Override |
| 336 | public void onReceive(Context context, Intent intent) { |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 337 | dispatchReset(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 338 | } |
| 339 | }, new IntentFilter(ACTION_RESET)); |
| 340 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 341 | FileInputStream stream = null; |
| 342 | try { |
| 343 | Properties properties = new Properties(); |
| 344 | File file = new File(PROPERTIES_FILE); |
| 345 | stream = new FileInputStream(file); |
| 346 | properties.load(stream); |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 347 | final String ntpServer = properties.getProperty("NTP_SERVER", null); |
| 348 | if (mTime instanceof NtpTrustedTime) { |
| 349 | ((NtpTrustedTime) mTime).setNtpServer(ntpServer, MAX_NTP_FETCH_WAIT); |
| 350 | } |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 351 | } catch (IOException e) { |
| 352 | Slog.e(TAG, "Could not open GPS configuration file " + PROPERTIES_FILE); |
| 353 | } finally { |
| 354 | if (stream != null) { |
| 355 | try { |
| 356 | stream.close(); |
| 357 | } catch (Exception e) {} |
| 358 | } |
| 359 | } |
Robert Greenwalt | c76c15e | 2010-06-16 14:42:16 -0700 | [diff] [blame] | 360 | |
| 361 | // use a new thread as we don't want to stall the system for file writes |
| 362 | mThread = new HandlerThread(TAG); |
| 363 | mThread.start(); |
| 364 | mHandler = new MyHandler(mThread.getLooper()); |
| 365 | mHandler.obtainMessage(EVENT_REBOOT_RECOVERY).sendToTarget(); |
| 366 | |
| 367 | mInterfaceObserver = new InterfaceObserver(mHandler, EVENT_IFACE_UP, mIface); |
| 368 | try { |
| 369 | mNMService.registerObserver(mInterfaceObserver); |
| 370 | } catch (RemoteException e) { |
| 371 | Slog.e(TAG, "Could not register InterfaceObserver " + e); |
| 372 | } |
| 373 | |
| 374 | mSettingsObserver = new SettingsObserver(mHandler, EVENT_POLICY_CHANGED); |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 375 | mSettingsObserver.register(mContext); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 376 | } |
| 377 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 378 | void shutdown() { |
| 379 | // TODO: eventually connect with ShutdownThread to persist stats during |
| 380 | // graceful shutdown. |
| 381 | |
| 382 | if (mThread != null) { |
| 383 | mThread.quit(); |
| 384 | } |
| 385 | |
| 386 | if (mSettingsObserver != null) { |
| 387 | mSettingsObserver.unregister(mContext); |
| 388 | } |
| 389 | |
| 390 | if (mPollStickyBroadcast != null) { |
| 391 | mContext.removeStickyBroadcast(mPollStickyBroadcast); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | void dispatchPoll() { |
| 396 | mHandler.obtainMessage(EVENT_POLL_ALARM).sendToTarget(); |
| 397 | } |
| 398 | |
| 399 | void dispatchReset() { |
| 400 | mHandler.obtainMessage(EVENT_RESET_ALARM).sendToTarget(); |
| 401 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 402 | |
| 403 | private static final int EVENT_REBOOT_RECOVERY = 0; |
| 404 | private static final int EVENT_POLICY_CHANGED = 1; |
| 405 | private static final int EVENT_POLL_ALARM = 2; |
| 406 | private static final int EVENT_RESET_ALARM = 3; |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 407 | private static final int EVENT_IFACE_UP = 4; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 408 | private class MyHandler extends Handler { |
| 409 | public MyHandler(Looper l) { |
| 410 | super(l); |
| 411 | } |
| 412 | |
| 413 | @Override |
| 414 | public void handleMessage(Message msg) { |
| 415 | switch (msg.what) { |
| 416 | case EVENT_REBOOT_RECOVERY: |
| 417 | onRebootRecovery(); |
| 418 | break; |
| 419 | case EVENT_POLICY_CHANGED: |
| 420 | onPolicyChanged(); |
| 421 | break; |
| 422 | case EVENT_POLL_ALARM: |
| 423 | onPollAlarm(); |
| 424 | break; |
| 425 | case EVENT_RESET_ALARM: |
| 426 | onResetAlarm(); |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 427 | break; |
| 428 | case EVENT_IFACE_UP: |
| 429 | onIfaceUp(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 430 | } |
| 431 | } |
| 432 | |
| 433 | private void onRebootRecovery() { |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 434 | if (VDBG) Slog.v(TAG, "onRebootRecovery"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 435 | // check for sim change TODO |
| 436 | // reregister for notification of policy change |
| 437 | |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 438 | mThrottleIndex.set(THROTTLE_INDEX_UNINITIALIZED); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 439 | |
| 440 | mRecorder = new DataRecorder(mContext, ThrottleService.this); |
| 441 | |
| 442 | // get policy |
| 443 | mHandler.obtainMessage(EVENT_POLICY_CHANGED).sendToTarget(); |
Robert Greenwalt | fb9896b | 2010-04-22 15:39:38 -0700 | [diff] [blame] | 444 | |
| 445 | // if we poll now we won't have network connectivity or even imsi access |
| 446 | // queue up a poll to happen in a little while - after ntp and imsi are avail |
| 447 | // TODO - make this callback based (ie, listen for notificaitons) |
| 448 | mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_POLL_ALARM), |
| 449 | INITIAL_POLL_DELAY_SEC * 1000); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | // check for new policy info (threshold limit/value/etc) |
| 453 | private void onPolicyChanged() { |
| 454 | boolean testing = SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true"); |
| 455 | |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 456 | int pollingPeriod = mContext.getResources().getInteger( |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 457 | R.integer.config_datause_polling_period_sec); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 458 | mPolicyPollPeriodSec = Settings.Secure.getInt(mContext.getContentResolver(), |
| 459 | Settings.Secure.THROTTLE_POLLING_SEC, pollingPeriod); |
| 460 | |
| 461 | // TODO - remove testing stuff? |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 462 | long defaultThreshold = mContext.getResources().getInteger( |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 463 | R.integer.config_datause_threshold_bytes); |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 464 | int defaultValue = mContext.getResources().getInteger( |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 465 | R.integer.config_datause_throttle_kbitsps); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 466 | long threshold = Settings.Secure.getLong(mContext.getContentResolver(), |
| 467 | Settings.Secure.THROTTLE_THRESHOLD_BYTES, defaultThreshold); |
| 468 | int value = Settings.Secure.getInt(mContext.getContentResolver(), |
| 469 | Settings.Secure.THROTTLE_VALUE_KBITSPS, defaultValue); |
| 470 | |
| 471 | mPolicyThreshold.set(threshold); |
| 472 | mPolicyThrottleValue.set(value); |
| 473 | if (testing) { |
| 474 | mPolicyPollPeriodSec = TESTING_POLLING_PERIOD_SEC; |
| 475 | mPolicyThreshold.set(TESTING_THRESHOLD); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 476 | } |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 477 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 478 | mPolicyResetDay = Settings.Secure.getInt(mContext.getContentResolver(), |
| 479 | Settings.Secure.THROTTLE_RESET_DAY, -1); |
| 480 | if (mPolicyResetDay == -1 || |
| 481 | ((mPolicyResetDay < 1) || (mPolicyResetDay > 28))) { |
| 482 | Random g = new Random(); |
| 483 | mPolicyResetDay = 1 + g.nextInt(28); // 1-28 |
| 484 | Settings.Secure.putInt(mContext.getContentResolver(), |
| 485 | Settings.Secure.THROTTLE_RESET_DAY, mPolicyResetDay); |
| 486 | } |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 487 | if (mIface == null) { |
| 488 | mPolicyThreshold.set(0); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 489 | } |
| 490 | |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 491 | int defaultNotificationType = mContext.getResources().getInteger( |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 492 | R.integer.config_datause_notification_type); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 493 | mPolicyNotificationsAllowedMask = Settings.Secure.getInt(mContext.getContentResolver(), |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 494 | Settings.Secure.THROTTLE_NOTIFICATION_TYPE, defaultNotificationType); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 495 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 496 | final int maxNtpCacheAgeSec = Settings.Secure.getInt(mContext.getContentResolver(), |
| 497 | Settings.Secure.THROTTLE_MAX_NTP_CACHE_AGE_SEC, |
| 498 | (int) (MAX_NTP_CACHE_AGE / 1000)); |
| 499 | mMaxNtpCacheAge = maxNtpCacheAgeSec * 1000; |
Robert Greenwalt | d1055a2 | 2010-05-25 15:54:52 -0700 | [diff] [blame] | 500 | |
Robert Greenwalt | 687f2a0 | 2010-06-08 10:10:54 -0700 | [diff] [blame] | 501 | if (VDBG || (mPolicyThreshold.get() != 0)) { |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 502 | Slog.d(TAG, "onPolicyChanged testing=" + testing +", period=" + |
Robert Greenwalt | 687f2a0 | 2010-06-08 10:10:54 -0700 | [diff] [blame] | 503 | mPolicyPollPeriodSec + ", threshold=" + mPolicyThreshold.get() + |
| 504 | ", value=" + mPolicyThrottleValue.get() + ", resetDay=" + mPolicyResetDay + |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 505 | ", noteType=" + mPolicyNotificationsAllowedMask + ", mMaxNtpCacheAge=" + |
| 506 | mMaxNtpCacheAge); |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 507 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 508 | |
Robert Greenwalt | 5bf16d6 | 2010-04-23 13:15:44 -0700 | [diff] [blame] | 509 | // force updates |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 510 | mThrottleIndex.set(THROTTLE_INDEX_UNINITIALIZED); |
Robert Greenwalt | 5bf16d6 | 2010-04-23 13:15:44 -0700 | [diff] [blame] | 511 | |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 512 | onResetAlarm(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 513 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 514 | onPollAlarm(); |
| 515 | |
Robert Greenwalt | 81aa097 | 2010-04-09 09:36:09 -0700 | [diff] [blame] | 516 | Intent broadcast = new Intent(ThrottleManager.POLICY_CHANGED_ACTION); |
| 517 | mContext.sendBroadcast(broadcast); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 518 | } |
| 519 | |
| 520 | private void onPollAlarm() { |
| 521 | long now = SystemClock.elapsedRealtime(); |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 522 | long next = now + mPolicyPollPeriodSec * 1000; |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 523 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 524 | // when trusted cache outdated, try refreshing |
| 525 | if (mTime.getCacheAge() > mMaxNtpCacheAge) { |
| 526 | if (mTime.forceRefresh()) { |
| 527 | if (VDBG) Slog.d(TAG, "updated trusted time, reseting alarm"); |
| 528 | dispatchReset(); |
| 529 | } |
| 530 | } |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 531 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 532 | long incRead = 0; |
| 533 | long incWrite = 0; |
| 534 | try { |
Jeff Sharkey | 9a13f36 | 2011-04-26 16:25:36 -0700 | [diff] [blame] | 535 | final NetworkStats stats = mNMService.getNetworkStatsSummary(); |
| 536 | final int index = stats.findIndex(mIface, NetworkStats.UID_ALL); |
| 537 | |
| 538 | if (index != -1) { |
| 539 | incRead = stats.rx[index] - mLastRead; |
| 540 | incWrite = stats.tx[index] - mLastWrite; |
| 541 | } else { |
| 542 | // missing iface, assume stats are 0 |
| 543 | Slog.w(TAG, "unable to find stats for iface " + mIface); |
| 544 | } |
| 545 | |
Robert Greenwalt | 8c7e609 | 2010-04-14 17:31:20 -0700 | [diff] [blame] | 546 | // handle iface resets - on some device the 3g iface comes and goes and gets |
| 547 | // totals reset to 0. Deal with it |
| 548 | if ((incRead < 0) || (incWrite < 0)) { |
| 549 | incRead += mLastRead; |
| 550 | incWrite += mLastWrite; |
| 551 | mLastRead = 0; |
| 552 | mLastWrite = 0; |
| 553 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 554 | } catch (RemoteException e) { |
| 555 | Slog.e(TAG, "got remoteException in onPollAlarm:" + e); |
| 556 | } |
Robert Greenwalt | 5f99689 | 2010-04-08 16:19:24 -0700 | [diff] [blame] | 557 | // don't count this data if we're roaming. |
| 558 | boolean roaming = "true".equals( |
| 559 | SystemProperties.get(TelephonyProperties.PROPERTY_OPERATOR_ISROAMING)); |
| 560 | if (!roaming) { |
| 561 | mRecorder.addData(incRead, incWrite); |
| 562 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 563 | |
| 564 | long periodRx = mRecorder.getPeriodRx(0); |
| 565 | long periodTx = mRecorder.getPeriodTx(0); |
| 566 | long total = periodRx + periodTx; |
Robert Greenwalt | 687f2a0 | 2010-06-08 10:10:54 -0700 | [diff] [blame] | 567 | if (VDBG || (mPolicyThreshold.get() != 0)) { |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 568 | Slog.d(TAG, "onPollAlarm - roaming =" + roaming + |
Robert Greenwalt | 5f99689 | 2010-04-08 16:19:24 -0700 | [diff] [blame] | 569 | ", read =" + incRead + ", written =" + incWrite + ", new total =" + total); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 570 | } |
| 571 | mLastRead += incRead; |
| 572 | mLastWrite += incWrite; |
| 573 | |
| 574 | checkThrottleAndPostNotification(total); |
| 575 | |
| 576 | Intent broadcast = new Intent(ThrottleManager.THROTTLE_POLL_ACTION); |
| 577 | broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_READ, periodRx); |
| 578 | broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_WRITE, periodTx); |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 579 | broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_START, getPeriodStartTime(mIface)); |
| 580 | broadcast.putExtra(ThrottleManager.EXTRA_CYCLE_END, getResetTime(mIface)); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 581 | mContext.sendStickyBroadcast(broadcast); |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 582 | mPollStickyBroadcast = broadcast; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 583 | |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 584 | mAlarmManager.cancel(mPendingPollIntent); |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 585 | mAlarmManager.set(AlarmManager.ELAPSED_REALTIME, next, mPendingPollIntent); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 586 | } |
| 587 | |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 588 | private void onIfaceUp() { |
| 589 | // if we were throttled before, be sure and set it again - the iface went down |
| 590 | // (and may have disappeared all together) and these settings were lost |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 591 | if (mThrottleIndex.get() == 1) { |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 592 | try { |
| 593 | mNMService.setInterfaceThrottle(mIface, -1, -1); |
| 594 | mNMService.setInterfaceThrottle(mIface, |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 595 | mPolicyThrottleValue.get(), mPolicyThrottleValue.get()); |
Robert Greenwalt | fee4683 | 2010-05-06 12:25:13 -0700 | [diff] [blame] | 596 | } catch (Exception e) { |
| 597 | Slog.e(TAG, "error setting Throttle: " + e); |
| 598 | } |
| 599 | } |
| 600 | } |
| 601 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 602 | private void checkThrottleAndPostNotification(long currentTotal) { |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 603 | // is throttling enabled? |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 604 | long threshold = mPolicyThreshold.get(); |
| 605 | if (threshold == 0) { |
Robert Greenwalt | cce8337 | 2010-04-23 17:35:29 -0700 | [diff] [blame] | 606 | clearThrottleAndNotification(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 607 | return; |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | // have we spoken with an ntp server yet? |
| 611 | // this is controversial, but we'd rather err towards not throttling |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 612 | if (!mTime.hasCache()) { |
| 613 | Slog.w(TAG, "missing trusted time, skipping throttle check"); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 614 | return; |
| 615 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 616 | |
| 617 | // check if we need to throttle |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 618 | if (currentTotal > threshold) { |
| 619 | if (mThrottleIndex.get() != 1) { |
| 620 | mThrottleIndex.set(1); |
| 621 | if (DBG) Slog.d(TAG, "Threshold " + threshold + " exceeded!"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 622 | try { |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 623 | mNMService.setInterfaceThrottle(mIface, |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 624 | mPolicyThrottleValue.get(), mPolicyThrottleValue.get()); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 625 | } catch (Exception e) { |
| 626 | Slog.e(TAG, "error setting Throttle: " + e); |
| 627 | } |
| 628 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 629 | mNotificationManager.cancel(R.drawable.stat_sys_throttled); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 630 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 631 | postNotification(R.string.throttled_notification_title, |
| 632 | R.string.throttled_notification_message, |
| 633 | R.drawable.stat_sys_throttled, |
Robert Greenwalt | c87dc6d | 2010-04-08 16:00:26 -0700 | [diff] [blame] | 634 | Notification.FLAG_ONGOING_EVENT); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 635 | |
| 636 | Intent broadcast = new Intent(ThrottleManager.THROTTLE_ACTION); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 637 | broadcast.putExtra(ThrottleManager.EXTRA_THROTTLE_LEVEL, |
| 638 | mPolicyThrottleValue.get()); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 639 | mContext.sendStickyBroadcast(broadcast); |
| 640 | |
| 641 | } // else already up! |
| 642 | } else { |
Robert Greenwalt | 5bf16d6 | 2010-04-23 13:15:44 -0700 | [diff] [blame] | 643 | clearThrottleAndNotification(); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 644 | if ((mPolicyNotificationsAllowedMask & NOTIFICATION_WARNING) != 0) { |
| 645 | // check if we should warn about throttle |
Robert Greenwalt | e2c0ce0 | 2010-04-09 12:31:46 -0700 | [diff] [blame] | 646 | // pretend we only have 1/2 the time remaining that we actually do |
| 647 | // if our burn rate in the period so far would have us exceed the limit |
| 648 | // in that 1/2 window, warn the user. |
| 649 | // this gets more generous in the early to middle period and converges back |
| 650 | // to the limit as we move toward the period end. |
| 651 | |
| 652 | // adding another factor - it must be greater than the total cap/4 |
| 653 | // else we may get false alarms very early in the period.. in the first |
| 654 | // tenth of a percent of the period if we used more than a tenth of a percent |
| 655 | // of the cap we'd get a warning and that's not desired. |
| 656 | long start = mRecorder.getPeriodStart(); |
| 657 | long end = mRecorder.getPeriodEnd(); |
| 658 | long periodLength = end - start; |
| 659 | long now = System.currentTimeMillis(); |
| 660 | long timeUsed = now - start; |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 661 | long warningThreshold = 2*threshold*timeUsed/(timeUsed+periodLength); |
| 662 | if ((currentTotal > warningThreshold) && (currentTotal > threshold/4)) { |
Robert Greenwalt | e2c0ce0 | 2010-04-09 12:31:46 -0700 | [diff] [blame] | 663 | if (mWarningNotificationSent == false) { |
| 664 | mWarningNotificationSent = true; |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 665 | mNotificationManager.cancel(R.drawable.stat_sys_throttled); |
| 666 | postNotification(R.string.throttle_warning_notification_title, |
| 667 | R.string.throttle_warning_notification_message, |
| 668 | R.drawable.stat_sys_throttled, |
Robert Greenwalt | e2c0ce0 | 2010-04-09 12:31:46 -0700 | [diff] [blame] | 669 | 0); |
| 670 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 671 | } else { |
Robert Greenwalt | e2c0ce0 | 2010-04-09 12:31:46 -0700 | [diff] [blame] | 672 | if (mWarningNotificationSent == true) { |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 673 | mNotificationManager.cancel(R.drawable.stat_sys_throttled); |
Robert Greenwalt | e2c0ce0 | 2010-04-09 12:31:46 -0700 | [diff] [blame] | 674 | mWarningNotificationSent =false; |
| 675 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 676 | } |
| 677 | } |
| 678 | } |
| 679 | } |
| 680 | |
Robert Greenwalt | c87dc6d | 2010-04-08 16:00:26 -0700 | [diff] [blame] | 681 | private void postNotification(int titleInt, int messageInt, int icon, int flags) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 682 | Intent intent = new Intent(); |
| 683 | // TODO - fix up intent |
Robert Greenwalt | 2a7b730 | 2010-04-12 14:56:31 -0700 | [diff] [blame] | 684 | intent.setClassName("com.android.phone", "com.android.phone.DataUsage"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 685 | intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); |
| 686 | |
| 687 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 688 | |
| 689 | Resources r = Resources.getSystem(); |
| 690 | CharSequence title = r.getText(titleInt); |
| 691 | CharSequence message = r.getText(messageInt); |
| 692 | if (mThrottlingNotification == null) { |
| 693 | mThrottlingNotification = new Notification(); |
| 694 | mThrottlingNotification.when = 0; |
| 695 | // TODO - fixup icon |
| 696 | mThrottlingNotification.icon = icon; |
| 697 | mThrottlingNotification.defaults &= ~Notification.DEFAULT_SOUND; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 698 | } |
Robert Greenwalt | c87dc6d | 2010-04-08 16:00:26 -0700 | [diff] [blame] | 699 | mThrottlingNotification.flags = flags; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 700 | mThrottlingNotification.tickerText = title; |
| 701 | mThrottlingNotification.setLatestEventInfo(mContext, title, message, pi); |
| 702 | |
| 703 | mNotificationManager.notify(mThrottlingNotification.icon, mThrottlingNotification); |
| 704 | } |
| 705 | |
| 706 | |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 707 | private void clearThrottleAndNotification() { |
| 708 | if (mThrottleIndex.get() != THROTTLE_INDEX_UNTHROTTLED) { |
| 709 | mThrottleIndex.set(THROTTLE_INDEX_UNTHROTTLED); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 710 | try { |
Robert Greenwalt | d3bb93f | 2010-04-12 19:20:55 -0700 | [diff] [blame] | 711 | mNMService.setInterfaceThrottle(mIface, -1, -1); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 712 | } catch (Exception e) { |
| 713 | Slog.e(TAG, "error clearing Throttle: " + e); |
| 714 | } |
| 715 | Intent broadcast = new Intent(ThrottleManager.THROTTLE_ACTION); |
| 716 | broadcast.putExtra(ThrottleManager.EXTRA_THROTTLE_LEVEL, -1); |
| 717 | mContext.sendStickyBroadcast(broadcast); |
Robert Greenwalt | 5bf16d6 | 2010-04-23 13:15:44 -0700 | [diff] [blame] | 718 | mNotificationManager.cancel(R.drawable.stat_sys_throttled); |
| 719 | mWarningNotificationSent = false; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 720 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 721 | } |
| 722 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 723 | private Calendar calculatePeriodEnd(long now) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 724 | Calendar end = GregorianCalendar.getInstance(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 725 | end.setTimeInMillis(now); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 726 | int day = end.get(Calendar.DAY_OF_MONTH); |
| 727 | end.set(Calendar.DAY_OF_MONTH, mPolicyResetDay); |
| 728 | end.set(Calendar.HOUR_OF_DAY, 0); |
| 729 | end.set(Calendar.MINUTE, 0); |
Robert Greenwalt | 8c7e609 | 2010-04-14 17:31:20 -0700 | [diff] [blame] | 730 | end.set(Calendar.SECOND, 0); |
| 731 | end.set(Calendar.MILLISECOND, 0); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 732 | if (day >= mPolicyResetDay) { |
| 733 | int month = end.get(Calendar.MONTH); |
| 734 | if (month == Calendar.DECEMBER) { |
| 735 | end.set(Calendar.YEAR, end.get(Calendar.YEAR) + 1); |
| 736 | month = Calendar.JANUARY - 1; |
| 737 | } |
| 738 | end.set(Calendar.MONTH, month + 1); |
| 739 | } |
| 740 | |
| 741 | // TODO - remove! |
| 742 | if (SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true")) { |
| 743 | end = GregorianCalendar.getInstance(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 744 | end.setTimeInMillis(now); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 745 | end.add(Calendar.SECOND, TESTING_RESET_PERIOD_SEC); |
| 746 | } |
| 747 | return end; |
| 748 | } |
| 749 | private Calendar calculatePeriodStart(Calendar end) { |
| 750 | Calendar start = (Calendar)end.clone(); |
| 751 | int month = end.get(Calendar.MONTH); |
| 752 | if (end.get(Calendar.MONTH) == Calendar.JANUARY) { |
| 753 | month = Calendar.DECEMBER + 1; |
| 754 | start.set(Calendar.YEAR, start.get(Calendar.YEAR) - 1); |
| 755 | } |
| 756 | start.set(Calendar.MONTH, month - 1); |
| 757 | |
| 758 | // TODO - remove!! |
| 759 | if (SystemProperties.get(TESTING_ENABLED_PROPERTY).equals("true")) { |
| 760 | start = (Calendar)end.clone(); |
| 761 | start.add(Calendar.SECOND, -TESTING_RESET_PERIOD_SEC); |
| 762 | } |
| 763 | return start; |
| 764 | } |
| 765 | |
| 766 | private void onResetAlarm() { |
Robert Greenwalt | 687f2a0 | 2010-06-08 10:10:54 -0700 | [diff] [blame] | 767 | if (VDBG || (mPolicyThreshold.get() != 0)) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 768 | Slog.d(TAG, "onResetAlarm - last period had " + mRecorder.getPeriodRx(0) + |
| 769 | " bytes read and " + mRecorder.getPeriodTx(0) + " written"); |
| 770 | } |
| 771 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 772 | // when trusted cache outdated, try refreshing |
| 773 | if (mTime.getCacheAge() > mMaxNtpCacheAge) { |
| 774 | mTime.forceRefresh(); |
| 775 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 776 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 777 | // as long as we have a trusted time cache, we always reset alarms, |
| 778 | // even if the refresh above failed. |
| 779 | if (mTime.hasCache()) { |
| 780 | final long now = mTime.currentTimeMillis(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 781 | Calendar end = calculatePeriodEnd(now); |
| 782 | Calendar start = calculatePeriodStart(end); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 783 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 784 | if (mRecorder.setNextPeriod(start, end)) { |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 785 | onPollAlarm(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 786 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 787 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 788 | mAlarmManager.cancel(mPendingResetIntent); |
| 789 | long offset = end.getTimeInMillis() - now; |
| 790 | // use Elapsed realtime so clock changes don't fool us. |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 791 | mAlarmManager.set(AlarmManager.ELAPSED_REALTIME, |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 792 | SystemClock.elapsedRealtime() + offset, |
| 793 | mPendingResetIntent); |
| 794 | } else { |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 795 | if (VDBG) Slog.d(TAG, "no trusted time, not resetting period"); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 796 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 797 | } |
| 798 | } |
| 799 | |
| 800 | // records bytecount data for a given time and accumulates it into larger time windows |
| 801 | // for logging and other purposes |
| 802 | // |
| 803 | // since time can be changed (user or network action) we will have to track the time of the |
| 804 | // last recording and deal with it. |
| 805 | private static class DataRecorder { |
| 806 | long[] mPeriodRxData; |
| 807 | long[] mPeriodTxData; |
| 808 | int mCurrentPeriod; |
| 809 | int mPeriodCount; |
| 810 | |
| 811 | Calendar mPeriodStart; |
| 812 | Calendar mPeriodEnd; |
| 813 | |
| 814 | ThrottleService mParent; |
| 815 | Context mContext; |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 816 | String mImsi = null; |
| 817 | |
| 818 | TelephonyManager mTelephonyManager; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 819 | |
| 820 | DataRecorder(Context context, ThrottleService parent) { |
| 821 | mContext = context; |
| 822 | mParent = parent; |
| 823 | |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 824 | mTelephonyManager = (TelephonyManager)mContext.getSystemService( |
| 825 | Context.TELEPHONY_SERVICE); |
| 826 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 827 | synchronized (mParent) { |
| 828 | mPeriodCount = 6; |
| 829 | mPeriodRxData = new long[mPeriodCount]; |
| 830 | mPeriodTxData = new long[mPeriodCount]; |
| 831 | |
| 832 | mPeriodStart = Calendar.getInstance(); |
| 833 | mPeriodEnd = Calendar.getInstance(); |
| 834 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 835 | retrieve(); |
| 836 | } |
| 837 | } |
| 838 | |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 839 | boolean setNextPeriod(Calendar start, Calendar end) { |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 840 | // TODO - how would we deal with a dual-IMSI device? |
| 841 | checkForSubscriberId(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 842 | boolean startNewPeriod = true; |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 843 | |
Robert Greenwalt | 27fba67 | 2010-04-26 12:29:14 -0700 | [diff] [blame] | 844 | if (start.equals(mPeriodStart) && end.equals(mPeriodEnd)) { |
| 845 | // same endpoints - keep collecting |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 846 | if (VDBG) { |
Robert Greenwalt | 27fba67 | 2010-04-26 12:29:14 -0700 | [diff] [blame] | 847 | Slog.d(TAG, "same period (" + start.getTimeInMillis() + "," + |
| 848 | end.getTimeInMillis() +") - ammending data"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 849 | } |
Robert Greenwalt | 27fba67 | 2010-04-26 12:29:14 -0700 | [diff] [blame] | 850 | startNewPeriod = false; |
| 851 | } else { |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 852 | if (VDBG) { |
Robert Greenwalt | 27fba67 | 2010-04-26 12:29:14 -0700 | [diff] [blame] | 853 | if(start.equals(mPeriodEnd) || start.after(mPeriodEnd)) { |
| 854 | Slog.d(TAG, "next period (" + start.getTimeInMillis() + "," + |
| 855 | end.getTimeInMillis() + ") - old end was " + |
| 856 | mPeriodEnd.getTimeInMillis() + ", following"); |
| 857 | } else { |
| 858 | Slog.d(TAG, "new period (" + start.getTimeInMillis() + "," + |
| 859 | end.getTimeInMillis() + ") replacing old (" + |
| 860 | mPeriodStart.getTimeInMillis() + "," + |
| 861 | mPeriodEnd.getTimeInMillis() + ")"); |
| 862 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 863 | } |
| 864 | synchronized (mParent) { |
| 865 | ++mCurrentPeriod; |
| 866 | if (mCurrentPeriod >= mPeriodCount) mCurrentPeriod = 0; |
| 867 | mPeriodRxData[mCurrentPeriod] = 0; |
| 868 | mPeriodTxData[mCurrentPeriod] = 0; |
| 869 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 870 | } |
| 871 | setPeriodStart(start); |
| 872 | setPeriodEnd(end); |
| 873 | record(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 874 | return startNewPeriod; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | public long getPeriodEnd() { |
| 878 | synchronized (mParent) { |
| 879 | return mPeriodEnd.getTimeInMillis(); |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | private void setPeriodEnd(Calendar end) { |
| 884 | synchronized (mParent) { |
| 885 | mPeriodEnd = end; |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | public long getPeriodStart() { |
| 890 | synchronized (mParent) { |
| 891 | return mPeriodStart.getTimeInMillis(); |
| 892 | } |
| 893 | } |
| 894 | |
| 895 | private void setPeriodStart(Calendar start) { |
| 896 | synchronized (mParent) { |
| 897 | mPeriodStart = start; |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | public int getPeriodCount() { |
| 902 | synchronized (mParent) { |
| 903 | return mPeriodCount; |
| 904 | } |
| 905 | } |
| 906 | |
| 907 | private void zeroData(int field) { |
| 908 | synchronized (mParent) { |
| 909 | for(int period = 0; period<mPeriodCount; period++) { |
| 910 | mPeriodRxData[period] = 0; |
| 911 | mPeriodTxData[period] = 0; |
| 912 | } |
| 913 | mCurrentPeriod = 0; |
| 914 | } |
| 915 | |
| 916 | } |
| 917 | |
| 918 | // if time moves backward accumulate all read/write that's lost into the now |
| 919 | // otherwise time moved forward. |
| 920 | void addData(long bytesRead, long bytesWritten) { |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 921 | checkForSubscriberId(); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 922 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 923 | synchronized (mParent) { |
| 924 | mPeriodRxData[mCurrentPeriod] += bytesRead; |
| 925 | mPeriodTxData[mCurrentPeriod] += bytesWritten; |
| 926 | } |
| 927 | record(); |
| 928 | } |
| 929 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 930 | private File getDataFile() { |
| 931 | File dataDir = Environment.getDataDirectory(); |
| 932 | File throttleDir = new File(dataDir, "system/throttle"); |
| 933 | throttleDir.mkdirs(); |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 934 | String mImsi = mTelephonyManager.getSubscriberId(); |
| 935 | File dataFile; |
| 936 | if (mImsi == null) { |
| 937 | dataFile = useMRUFile(throttleDir); |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 938 | if (VDBG) Slog.v(TAG, "imsi not available yet, using " + dataFile); |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 939 | } else { |
| 940 | String imsiHash = Integer.toString(mImsi.hashCode()); |
| 941 | dataFile = new File(throttleDir, imsiHash); |
| 942 | } |
| 943 | // touch the file so it's not LRU |
| 944 | dataFile.setLastModified(System.currentTimeMillis()); |
| 945 | checkAndDeleteLRUDataFile(throttleDir); |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 946 | return dataFile; |
| 947 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 948 | |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 949 | // TODO - get broadcast (TelephonyIntents.ACTION_SIM_STATE_CHANGED) instead of polling |
| 950 | private void checkForSubscriberId() { |
| 951 | if (mImsi != null) return; |
| 952 | |
| 953 | mImsi = mTelephonyManager.getSubscriberId(); |
| 954 | if (mImsi == null) return; |
| 955 | |
Robert Greenwalt | 5a671d0 | 2010-06-07 16:43:16 -0700 | [diff] [blame] | 956 | if (VDBG) Slog.d(TAG, "finally have imsi - retreiving data"); |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 957 | retrieve(); |
| 958 | } |
| 959 | |
| 960 | private final static int MAX_SIMS_SUPPORTED = 3; |
| 961 | |
| 962 | private void checkAndDeleteLRUDataFile(File dir) { |
| 963 | File[] files = dir.listFiles(); |
| 964 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 965 | if (files == null || files.length <= MAX_SIMS_SUPPORTED) return; |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 966 | if (DBG) Slog.d(TAG, "Too many data files"); |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 967 | do { |
| 968 | File oldest = null; |
| 969 | for (File f : files) { |
| 970 | if ((oldest == null) || (oldest.lastModified() > f.lastModified())) { |
| 971 | oldest = f; |
| 972 | } |
| 973 | } |
| 974 | if (oldest == null) return; |
Robert Greenwalt | bf7de39 | 2010-04-21 17:09:38 -0700 | [diff] [blame] | 975 | if (DBG) Slog.d(TAG, " deleting " + oldest); |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 976 | oldest.delete(); |
| 977 | files = dir.listFiles(); |
| 978 | } while (files.length > MAX_SIMS_SUPPORTED); |
| 979 | } |
| 980 | |
| 981 | private File useMRUFile(File dir) { |
| 982 | File newest = null; |
| 983 | File[] files = dir.listFiles(); |
| 984 | |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 985 | if (files != null) { |
| 986 | for (File f : files) { |
| 987 | if ((newest == null) || (newest.lastModified() < f.lastModified())) { |
| 988 | newest = f; |
| 989 | } |
Robert Greenwalt | e6e9882 | 2010-04-15 08:27:14 -0700 | [diff] [blame] | 990 | } |
| 991 | } |
| 992 | if (newest == null) { |
| 993 | newest = new File(dir, "temp"); |
| 994 | } |
| 995 | return newest; |
| 996 | } |
| 997 | |
| 998 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 999 | private static final int DATA_FILE_VERSION = 1; |
| 1000 | |
| 1001 | private void record() { |
| 1002 | // 1 int version |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1003 | // 1 int mPeriodCount |
| 1004 | // 13*6 long[PERIOD_COUNT] mPeriodRxData |
| 1005 | // 13*6 long[PERIOD_COUNT] mPeriodTxData |
| 1006 | // 1 int mCurrentPeriod |
| 1007 | // 13 long periodStartMS |
| 1008 | // 13 long periodEndMS |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1009 | // 200 chars max |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1010 | StringBuilder builder = new StringBuilder(); |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1011 | builder.append(DATA_FILE_VERSION); |
| 1012 | builder.append(":"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1013 | builder.append(mPeriodCount); |
| 1014 | builder.append(":"); |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1015 | for(int i = 0; i < mPeriodCount; i++) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1016 | builder.append(mPeriodRxData[i]); |
| 1017 | builder.append(":"); |
| 1018 | } |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1019 | for(int i = 0; i < mPeriodCount; i++) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1020 | builder.append(mPeriodTxData[i]); |
| 1021 | builder.append(":"); |
| 1022 | } |
| 1023 | builder.append(mCurrentPeriod); |
| 1024 | builder.append(":"); |
| 1025 | builder.append(mPeriodStart.getTimeInMillis()); |
| 1026 | builder.append(":"); |
| 1027 | builder.append(mPeriodEnd.getTimeInMillis()); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1028 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1029 | BufferedWriter out = null; |
| 1030 | try { |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 1031 | out = new BufferedWriter(new FileWriter(getDataFile()), 256); |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1032 | out.write(builder.toString()); |
| 1033 | } catch (IOException e) { |
| 1034 | Slog.e(TAG, "Error writing data file"); |
| 1035 | return; |
| 1036 | } finally { |
| 1037 | if (out != null) { |
| 1038 | try { |
| 1039 | out.close(); |
| 1040 | } catch (Exception e) {} |
| 1041 | } |
| 1042 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | private void retrieve() { |
Robert Greenwalt | 05d0673 | 2010-04-19 11:10:38 -0700 | [diff] [blame] | 1046 | // clean out any old data first. If we fail to read we don't want old stuff |
| 1047 | zeroData(0); |
| 1048 | |
Robert Greenwalt | b8912f5 | 2010-04-09 17:27:26 -0700 | [diff] [blame] | 1049 | File f = getDataFile(); |
| 1050 | byte[] buffer; |
| 1051 | FileInputStream s = null; |
| 1052 | try { |
| 1053 | buffer = new byte[(int)f.length()]; |
| 1054 | s = new FileInputStream(f); |
| 1055 | s.read(buffer); |
| 1056 | } catch (IOException e) { |
| 1057 | Slog.e(TAG, "Error reading data file"); |
| 1058 | return; |
| 1059 | } finally { |
| 1060 | if (s != null) { |
| 1061 | try { |
| 1062 | s.close(); |
| 1063 | } catch (Exception e) {} |
| 1064 | } |
| 1065 | } |
| 1066 | String data = new String(buffer); |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 1067 | if (data == null || data.length() == 0) { |
| 1068 | if (DBG) Slog.d(TAG, "data file empty"); |
| 1069 | return; |
| 1070 | } |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1071 | String[] parsed = data.split(":"); |
| 1072 | int parsedUsed = 0; |
| 1073 | if (parsed.length < 6) { |
| 1074 | Slog.e(TAG, "reading data file with insufficient length - ignoring"); |
| 1075 | return; |
| 1076 | } |
| 1077 | |
Robert Greenwalt | 9e3983f | 2010-05-11 07:06:13 -0700 | [diff] [blame] | 1078 | int periodCount; |
| 1079 | long[] periodRxData; |
| 1080 | long[] periodTxData; |
| 1081 | int currentPeriod; |
| 1082 | Calendar periodStart; |
| 1083 | Calendar periodEnd; |
| 1084 | try { |
| 1085 | if (Integer.parseInt(parsed[parsedUsed++]) != DATA_FILE_VERSION) { |
| 1086 | Slog.e(TAG, "reading data file with bad version - ignoring"); |
| 1087 | return; |
| 1088 | } |
| 1089 | |
| 1090 | periodCount = Integer.parseInt(parsed[parsedUsed++]); |
| 1091 | if (parsed.length != 5 + (2 * periodCount)) { |
| 1092 | Slog.e(TAG, "reading data file with bad length (" + parsed.length + |
| 1093 | " != " + (5 + (2 * periodCount)) + ") - ignoring"); |
| 1094 | return; |
| 1095 | } |
| 1096 | periodRxData = new long[periodCount]; |
| 1097 | for (int i = 0; i < periodCount; i++) { |
| 1098 | periodRxData[i] = Long.parseLong(parsed[parsedUsed++]); |
| 1099 | } |
| 1100 | periodTxData = new long[periodCount]; |
| 1101 | for (int i = 0; i < periodCount; i++) { |
| 1102 | periodTxData[i] = Long.parseLong(parsed[parsedUsed++]); |
| 1103 | } |
| 1104 | |
| 1105 | currentPeriod = Integer.parseInt(parsed[parsedUsed++]); |
| 1106 | |
| 1107 | periodStart = new GregorianCalendar(); |
| 1108 | periodStart.setTimeInMillis(Long.parseLong(parsed[parsedUsed++])); |
| 1109 | periodEnd = new GregorianCalendar(); |
| 1110 | periodEnd.setTimeInMillis(Long.parseLong(parsed[parsedUsed++])); |
| 1111 | } catch (Exception e) { |
| 1112 | Slog.e(TAG, "Error parsing data file - ignoring"); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1113 | return; |
| 1114 | } |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1115 | synchronized (mParent) { |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1116 | mPeriodCount = periodCount; |
| 1117 | mPeriodRxData = periodRxData; |
| 1118 | mPeriodTxData = periodTxData; |
Robert Greenwalt | 9e3983f | 2010-05-11 07:06:13 -0700 | [diff] [blame] | 1119 | mCurrentPeriod = currentPeriod; |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1120 | mPeriodStart = periodStart; |
| 1121 | mPeriodEnd = periodEnd; |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | long getPeriodRx(int which) { |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1126 | synchronized (mParent) { |
| 1127 | if (which > mPeriodCount) return 0; |
| 1128 | which = mCurrentPeriod - which; |
| 1129 | if (which < 0) which += mPeriodCount; |
| 1130 | return mPeriodRxData[which]; |
| 1131 | } |
| 1132 | } |
| 1133 | long getPeriodTx(int which) { |
| 1134 | synchronized (mParent) { |
| 1135 | if (which > mPeriodCount) return 0; |
| 1136 | which = mCurrentPeriod - which; |
| 1137 | if (which < 0) which += mPeriodCount; |
| 1138 | return mPeriodTxData[which]; |
| 1139 | } |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | @Override |
| 1144 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1145 | if (mContext.checkCallingOrSelfPermission( |
| 1146 | android.Manifest.permission.DUMP) |
| 1147 | != PackageManager.PERMISSION_GRANTED) { |
| 1148 | pw.println("Permission Denial: can't dump ThrottleService " + |
| 1149 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1150 | Binder.getCallingUid()); |
| 1151 | return; |
| 1152 | } |
| 1153 | pw.println(); |
| 1154 | |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1155 | pw.println("The threshold is " + mPolicyThreshold.get() + |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1156 | ", after which you experince throttling to " + |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1157 | mPolicyThrottleValue.get() + "kbps"); |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1158 | pw.println("Current period is " + |
| 1159 | (mRecorder.getPeriodEnd() - mRecorder.getPeriodStart())/1000 + " seconds long " + |
Robert Greenwalt | 7171ea8 | 2010-04-14 22:37:12 -0700 | [diff] [blame] | 1160 | "and ends in " + (getResetTime(mIface) - System.currentTimeMillis()) / 1000 + |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1161 | " seconds."); |
| 1162 | pw.println("Polling every " + mPolicyPollPeriodSec + " seconds"); |
Robert Greenwalt | 39e163f | 2010-05-07 16:52:17 -0700 | [diff] [blame] | 1163 | pw.println("Current Throttle Index is " + mThrottleIndex.get()); |
Jeff Sharkey | b7342ac | 2011-04-25 23:44:11 -0700 | [diff] [blame] | 1164 | pw.println("mMaxNtpCacheAge=" + mMaxNtpCacheAge); |
Robert Greenwalt | 8c7e609 | 2010-04-14 17:31:20 -0700 | [diff] [blame] | 1165 | |
Robert Greenwalt | 9e696c2 | 2010-04-01 14:45:18 -0700 | [diff] [blame] | 1166 | for (int i = 0; i < mRecorder.getPeriodCount(); i++) { |
| 1167 | pw.println(" Period[" + i + "] - read:" + mRecorder.getPeriodRx(i) + ", written:" + |
| 1168 | mRecorder.getPeriodTx(i)); |
| 1169 | } |
| 1170 | } |
| 1171 | } |