Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1 | /* |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 2 | * Copyright (C) 2011 The Android Open Source Project |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 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.net; |
| 18 | |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 19 | import static android.Manifest.permission.ACCESS_NETWORK_STATE; |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 20 | import static android.Manifest.permission.CONNECTIVITY_INTERNAL; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 21 | import static android.Manifest.permission.DUMP; |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 22 | import static android.Manifest.permission.MODIFY_NETWORK_ACCOUNTING; |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 23 | import static android.Manifest.permission.READ_NETWORK_USAGE_HISTORY; |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 24 | import static android.content.Intent.ACTION_SHUTDOWN; |
| 25 | import static android.content.Intent.ACTION_UID_REMOVED; |
| 26 | import static android.content.Intent.EXTRA_UID; |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 27 | import static android.net.ConnectivityManager.ACTION_TETHER_STATE_CHANGED; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 28 | import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 29 | import static android.net.NetworkStats.IFACE_ALL; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 30 | import static android.net.NetworkStats.SET_ALL; |
| 31 | import static android.net.NetworkStats.SET_DEFAULT; |
| 32 | import static android.net.NetworkStats.SET_FOREGROUND; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 33 | import static android.net.NetworkStats.TAG_NONE; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 34 | import static android.net.NetworkStats.UID_ALL; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 35 | import static android.net.NetworkTemplate.buildTemplateMobileAll; |
| 36 | import static android.net.NetworkTemplate.buildTemplateWifi; |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 37 | import static android.net.TrafficStats.UID_REMOVED; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 38 | import static android.provider.Settings.Secure.NETSTATS_NETWORK_BUCKET_DURATION; |
| 39 | import static android.provider.Settings.Secure.NETSTATS_NETWORK_MAX_HISTORY; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 40 | import static android.provider.Settings.Secure.NETSTATS_PERSIST_THRESHOLD; |
| 41 | import static android.provider.Settings.Secure.NETSTATS_POLL_INTERVAL; |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 42 | import static android.provider.Settings.Secure.NETSTATS_TAG_MAX_HISTORY; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 43 | import static android.provider.Settings.Secure.NETSTATS_UID_BUCKET_DURATION; |
| 44 | import static android.provider.Settings.Secure.NETSTATS_UID_MAX_HISTORY; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 45 | import static android.telephony.PhoneStateListener.LISTEN_DATA_CONNECTION_STATE; |
| 46 | import static android.telephony.PhoneStateListener.LISTEN_NONE; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 47 | import static android.text.format.DateUtils.DAY_IN_MILLIS; |
| 48 | import static android.text.format.DateUtils.HOUR_IN_MILLIS; |
| 49 | import static android.text.format.DateUtils.MINUTE_IN_MILLIS; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 50 | import static android.text.format.DateUtils.SECOND_IN_MILLIS; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 51 | import static com.android.internal.util.Preconditions.checkNotNull; |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 52 | import static com.android.server.NetworkManagementService.LIMIT_GLOBAL_ALERT; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 53 | import static com.android.server.NetworkManagementSocketTagger.resetKernelUidStats; |
| 54 | import static com.android.server.NetworkManagementSocketTagger.setKernelCounterSet; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 55 | |
| 56 | import android.app.AlarmManager; |
| 57 | import android.app.IAlarmManager; |
| 58 | import android.app.PendingIntent; |
| 59 | import android.content.BroadcastReceiver; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 60 | import android.content.ContentResolver; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 61 | import android.content.Context; |
| 62 | import android.content.Intent; |
| 63 | import android.content.IntentFilter; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 64 | import android.content.pm.ApplicationInfo; |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 65 | import android.content.pm.PackageManager; |
| 66 | import android.content.pm.PackageManager.NameNotFoundException; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 67 | import android.net.IConnectivityManager; |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 68 | import android.net.INetworkManagementEventObserver; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 69 | import android.net.INetworkStatsService; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 70 | import android.net.NetworkIdentity; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 71 | import android.net.NetworkInfo; |
| 72 | import android.net.NetworkState; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 73 | import android.net.NetworkStats; |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 74 | import android.net.NetworkStats.NonMonotonicException; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 75 | import android.net.NetworkStatsHistory; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 76 | import android.net.NetworkTemplate; |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 77 | import android.os.Binder; |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 78 | import android.os.DropBoxManager; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 79 | import android.os.Environment; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 80 | import android.os.Handler; |
| 81 | import android.os.HandlerThread; |
| 82 | import android.os.INetworkManagementService; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 83 | import android.os.Message; |
Jeff Sharkey | 6248926 | 2011-07-17 12:53:28 -0700 | [diff] [blame] | 84 | import android.os.PowerManager; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 85 | import android.os.RemoteException; |
| 86 | import android.os.SystemClock; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 87 | import android.provider.Settings; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 88 | import android.telephony.PhoneStateListener; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 89 | import android.telephony.TelephonyManager; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 90 | import android.util.EventLog; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 91 | import android.util.Log; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 92 | import android.util.NtpTrustedTime; |
| 93 | import android.util.Slog; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 94 | import android.util.SparseIntArray; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 95 | import android.util.TrustedTime; |
| 96 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 97 | import com.android.internal.os.AtomicFile; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 98 | import com.android.internal.util.Objects; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 99 | import com.android.server.EventLogTags; |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 100 | import com.android.server.connectivity.Tethering; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 101 | import com.google.android.collect.Lists; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 102 | import com.google.android.collect.Maps; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 103 | import com.google.android.collect.Sets; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 104 | |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 105 | import java.io.BufferedInputStream; |
| 106 | import java.io.BufferedOutputStream; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 107 | import java.io.DataInputStream; |
| 108 | import java.io.DataOutputStream; |
| 109 | import java.io.File; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 110 | import java.io.FileDescriptor; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 111 | import java.io.FileNotFoundException; |
| 112 | import java.io.FileOutputStream; |
| 113 | import java.io.IOException; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 114 | import java.io.PrintWriter; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 115 | import java.net.ProtocolException; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 116 | import java.util.ArrayList; |
| 117 | import java.util.Collections; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 118 | import java.util.HashMap; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 119 | import java.util.HashSet; |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 120 | import java.util.Random; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 121 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 122 | import libcore.io.IoUtils; |
| 123 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 124 | /** |
| 125 | * Collect and persist detailed network statistics, and provide this data to |
| 126 | * other system services. |
| 127 | */ |
| 128 | public class NetworkStatsService extends INetworkStatsService.Stub { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 129 | private static final String TAG = "NetworkStats"; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 130 | private static final boolean LOGD = false; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 131 | private static final boolean LOGV = false; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 132 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 133 | /** File header magic number: "ANET" */ |
| 134 | private static final int FILE_MAGIC = 0x414E4554; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 135 | private static final int VERSION_NETWORK_INIT = 1; |
| 136 | private static final int VERSION_UID_INIT = 1; |
| 137 | private static final int VERSION_UID_WITH_IDENT = 2; |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 138 | private static final int VERSION_UID_WITH_TAG = 3; |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 139 | private static final int VERSION_UID_WITH_SET = 4; |
| 140 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 141 | private static final int MSG_PERFORM_POLL = 1; |
| 142 | private static final int MSG_UPDATE_IFACES = 2; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 143 | |
| 144 | /** Flags to control detail level of poll event. */ |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 145 | private static final int FLAG_PERSIST_NETWORK = 0x1; |
| 146 | private static final int FLAG_PERSIST_UID = 0x2; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 147 | private static final int FLAG_PERSIST_ALL = FLAG_PERSIST_NETWORK | FLAG_PERSIST_UID; |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 148 | private static final int FLAG_PERSIST_FORCE = 0x100; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 149 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 150 | /** Sample recent usage after each poll event. */ |
| 151 | private static final boolean ENABLE_SAMPLE_AFTER_POLL = true; |
| 152 | |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 153 | private static final String TAG_NETSTATS_ERROR = "netstats_error"; |
| 154 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 155 | private final Context mContext; |
| 156 | private final INetworkManagementService mNetworkManager; |
| 157 | private final IAlarmManager mAlarmManager; |
| 158 | private final TrustedTime mTime; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 159 | private final TelephonyManager mTeleManager; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 160 | private final NetworkStatsSettings mSettings; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 161 | |
Jeff Sharkey | 6248926 | 2011-07-17 12:53:28 -0700 | [diff] [blame] | 162 | private final PowerManager.WakeLock mWakeLock; |
| 163 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 164 | private IConnectivityManager mConnManager; |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 165 | private DropBoxManager mDropBox; |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 166 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 167 | // @VisibleForTesting |
| 168 | public static final String ACTION_NETWORK_STATS_POLL = |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 169 | "com.android.server.action.NETWORK_STATS_POLL"; |
Jeff Sharkey | 497e443 | 2011-06-14 17:27:29 -0700 | [diff] [blame] | 170 | public static final String ACTION_NETWORK_STATS_UPDATED = |
| 171 | "com.android.server.action.NETWORK_STATS_UPDATED"; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 172 | |
| 173 | private PendingIntent mPollIntent; |
| 174 | |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 175 | // TODO: trim empty history objects entirely |
| 176 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 177 | private static final long KB_IN_BYTES = 1024; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 178 | private static final long MB_IN_BYTES = 1024 * KB_IN_BYTES; |
| 179 | private static final long GB_IN_BYTES = 1024 * MB_IN_BYTES; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 180 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 181 | /** |
| 182 | * Settings that can be changed externally. |
| 183 | */ |
| 184 | public interface NetworkStatsSettings { |
| 185 | public long getPollInterval(); |
| 186 | public long getPersistThreshold(); |
| 187 | public long getNetworkBucketDuration(); |
| 188 | public long getNetworkMaxHistory(); |
| 189 | public long getUidBucketDuration(); |
| 190 | public long getUidMaxHistory(); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 191 | public long getTagMaxHistory(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 192 | public long getTimeCacheMaxAge(); |
| 193 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 194 | |
| 195 | private final Object mStatsLock = new Object(); |
| 196 | |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 197 | /** Set of currently active ifaces. */ |
| 198 | private HashMap<String, NetworkIdentitySet> mActiveIfaces = Maps.newHashMap(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 199 | /** Set of historical {@code dev} stats for known networks. */ |
| 200 | private HashMap<NetworkIdentitySet, NetworkStatsHistory> mNetworkDevStats = Maps.newHashMap(); |
| 201 | /** Set of historical {@code xtables} stats for known networks. */ |
| 202 | private HashMap<NetworkIdentitySet, NetworkStatsHistory> mNetworkXtStats = Maps.newHashMap(); |
| 203 | /** Set of historical {@code xtables} stats for known UIDs. */ |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 204 | private HashMap<UidStatsKey, NetworkStatsHistory> mUidStats = Maps.newHashMap(); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 205 | |
Jeff Sharkey | c506ff6 | 2011-11-17 11:59:29 -0800 | [diff] [blame] | 206 | /** Flag if {@link #mNetworkDevStats} have been loaded from disk. */ |
| 207 | private boolean mNetworkStatsLoaded = false; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 208 | /** Flag if {@link #mUidStats} have been loaded from disk. */ |
| 209 | private boolean mUidStatsLoaded = false; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 210 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 211 | private NetworkStats mLastPollNetworkDevSnapshot; |
| 212 | private NetworkStats mLastPollNetworkXtSnapshot; |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 213 | private NetworkStats mLastPollUidSnapshot; |
| 214 | private NetworkStats mLastPollOperationsSnapshot; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 215 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 216 | private NetworkStats mLastPersistNetworkDevSnapshot; |
| 217 | private NetworkStats mLastPersistNetworkXtSnapshot; |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 218 | private NetworkStats mLastPersistUidSnapshot; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 219 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 220 | /** Current counter sets for each UID. */ |
| 221 | private SparseIntArray mActiveUidCounterSet = new SparseIntArray(); |
| 222 | |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 223 | /** Data layer operation counters for splicing into other structures. */ |
| 224 | private NetworkStats mOperations = new NetworkStats(0L, 10); |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 225 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 226 | private final HandlerThread mHandlerThread; |
| 227 | private final Handler mHandler; |
| 228 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 229 | private final AtomicFile mNetworkDevFile; |
| 230 | private final AtomicFile mNetworkXtFile; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 231 | private final AtomicFile mUidFile; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 232 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 233 | public NetworkStatsService( |
| 234 | Context context, INetworkManagementService networkManager, IAlarmManager alarmManager) { |
Jeff Sharkey | 104344e | 2011-07-10 14:20:41 -0700 | [diff] [blame] | 235 | this(context, networkManager, alarmManager, NtpTrustedTime.getInstance(context), |
| 236 | getSystemDir(), new DefaultNetworkStatsSettings(context)); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | private static File getSystemDir() { |
| 240 | return new File(Environment.getDataDirectory(), "system"); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | public NetworkStatsService(Context context, INetworkManagementService networkManager, |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 244 | IAlarmManager alarmManager, TrustedTime time, File systemDir, |
| 245 | NetworkStatsSettings settings) { |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 246 | mContext = checkNotNull(context, "missing Context"); |
| 247 | mNetworkManager = checkNotNull(networkManager, "missing INetworkManagementService"); |
| 248 | mAlarmManager = checkNotNull(alarmManager, "missing IAlarmManager"); |
| 249 | mTime = checkNotNull(time, "missing TrustedTime"); |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 250 | mTeleManager = checkNotNull(TelephonyManager.getDefault(), "missing TelephonyManager"); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 251 | mSettings = checkNotNull(settings, "missing NetworkStatsSettings"); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 252 | |
Jeff Sharkey | 6248926 | 2011-07-17 12:53:28 -0700 | [diff] [blame] | 253 | final PowerManager powerManager = (PowerManager) context.getSystemService( |
| 254 | Context.POWER_SERVICE); |
| 255 | mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); |
| 256 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 257 | mHandlerThread = new HandlerThread(TAG); |
| 258 | mHandlerThread.start(); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 259 | mHandler = new Handler(mHandlerThread.getLooper(), mHandlerCallback); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 260 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 261 | mNetworkDevFile = new AtomicFile(new File(systemDir, "netstats.bin")); |
| 262 | mNetworkXtFile = new AtomicFile(new File(systemDir, "netstats_xt.bin")); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 263 | mUidFile = new AtomicFile(new File(systemDir, "netstats_uid.bin")); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 264 | } |
| 265 | |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 266 | public void bindConnectivityManager(IConnectivityManager connManager) { |
| 267 | mConnManager = checkNotNull(connManager, "missing IConnectivityManager"); |
| 268 | } |
| 269 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 270 | public void systemReady() { |
Jeff Sharkey | 418d12d | 2011-12-13 15:38:03 -0800 | [diff] [blame] | 271 | if (!isBandwidthControlEnabled()) { |
| 272 | Slog.w(TAG, "bandwidth controls disabled, unable to track stats"); |
| 273 | return; |
| 274 | } |
| 275 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 276 | synchronized (mStatsLock) { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 277 | // read historical network stats from disk, since policy service |
| 278 | // might need them right away. we delay loading detailed UID stats |
| 279 | // until actually needed. |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 280 | readNetworkDevStatsLocked(); |
| 281 | readNetworkXtStatsLocked(); |
Jeff Sharkey | c506ff6 | 2011-11-17 11:59:29 -0800 | [diff] [blame] | 282 | mNetworkStatsLoaded = true; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 283 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 284 | |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 285 | // bootstrap initial stats to prevent double-counting later |
| 286 | bootstrapStats(); |
| 287 | |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 288 | // watch for network interfaces to be claimed |
Jeff Sharkey | 961e304 | 2011-08-29 16:02:57 -0700 | [diff] [blame] | 289 | final IntentFilter connFilter = new IntentFilter(CONNECTIVITY_ACTION_IMMEDIATE); |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 290 | mContext.registerReceiver(mConnReceiver, connFilter, CONNECTIVITY_INTERNAL, mHandler); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 291 | |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 292 | // watch for tethering changes |
| 293 | final IntentFilter tetherFilter = new IntentFilter(ACTION_TETHER_STATE_CHANGED); |
| 294 | mContext.registerReceiver(mTetherReceiver, tetherFilter, CONNECTIVITY_INTERNAL, mHandler); |
| 295 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 296 | // listen for periodic polling events |
| 297 | final IntentFilter pollFilter = new IntentFilter(ACTION_NETWORK_STATS_POLL); |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 298 | mContext.registerReceiver(mPollReceiver, pollFilter, READ_NETWORK_USAGE_HISTORY, mHandler); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 299 | |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 300 | // listen for uid removal to clean stats |
| 301 | final IntentFilter removedFilter = new IntentFilter(ACTION_UID_REMOVED); |
| 302 | mContext.registerReceiver(mRemovedReceiver, removedFilter, null, mHandler); |
| 303 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 304 | // persist stats during clean shutdown |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 305 | final IntentFilter shutdownFilter = new IntentFilter(ACTION_SHUTDOWN); |
| 306 | mContext.registerReceiver(mShutdownReceiver, shutdownFilter); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 307 | |
| 308 | try { |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 309 | mNetworkManager.registerObserver(mAlertObserver); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 310 | } catch (RemoteException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 311 | // ignored; service lives in system_server |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 312 | } |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 313 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 314 | // watch for networkType changes that aren't broadcast through |
| 315 | // CONNECTIVITY_ACTION_IMMEDIATE above. |
| 316 | mTeleManager.listen(mPhoneListener, LISTEN_DATA_CONNECTION_STATE); |
| 317 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 318 | registerPollAlarmLocked(); |
| 319 | registerGlobalAlert(); |
| 320 | |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 321 | mDropBox = (DropBoxManager) mContext.getSystemService(Context.DROPBOX_SERVICE); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 322 | } |
| 323 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 324 | private void shutdownLocked() { |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 325 | mContext.unregisterReceiver(mConnReceiver); |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 326 | mContext.unregisterReceiver(mTetherReceiver); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 327 | mContext.unregisterReceiver(mPollReceiver); |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 328 | mContext.unregisterReceiver(mRemovedReceiver); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 329 | mContext.unregisterReceiver(mShutdownReceiver); |
| 330 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 331 | mTeleManager.listen(mPhoneListener, LISTEN_NONE); |
| 332 | |
Jeff Sharkey | c506ff6 | 2011-11-17 11:59:29 -0800 | [diff] [blame] | 333 | if (mNetworkStatsLoaded) { |
| 334 | writeNetworkDevStatsLocked(); |
| 335 | writeNetworkXtStatsLocked(); |
| 336 | } |
Jeff Sharkey | af83393 | 2011-06-17 11:18:27 -0700 | [diff] [blame] | 337 | if (mUidStatsLoaded) { |
| 338 | writeUidStatsLocked(); |
| 339 | } |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 340 | mNetworkDevStats.clear(); |
| 341 | mNetworkXtStats.clear(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 342 | mUidStats.clear(); |
Jeff Sharkey | c506ff6 | 2011-11-17 11:59:29 -0800 | [diff] [blame] | 343 | mNetworkStatsLoaded = false; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 344 | mUidStatsLoaded = false; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 345 | } |
| 346 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 347 | /** |
| 348 | * Clear any existing {@link #ACTION_NETWORK_STATS_POLL} alarms, and |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 349 | * reschedule based on current {@link NetworkStatsSettings#getPollInterval()}. |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 350 | */ |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 351 | private void registerPollAlarmLocked() { |
| 352 | try { |
| 353 | if (mPollIntent != null) { |
| 354 | mAlarmManager.remove(mPollIntent); |
| 355 | } |
| 356 | |
| 357 | mPollIntent = PendingIntent.getBroadcast( |
| 358 | mContext, 0, new Intent(ACTION_NETWORK_STATS_POLL), 0); |
| 359 | |
| 360 | final long currentRealtime = SystemClock.elapsedRealtime(); |
| 361 | mAlarmManager.setInexactRepeating(AlarmManager.ELAPSED_REALTIME, currentRealtime, |
| 362 | mSettings.getPollInterval(), mPollIntent); |
| 363 | } catch (RemoteException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 364 | // ignored; service lives in system_server |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 365 | } |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 366 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 367 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 368 | /** |
| 369 | * Register for a global alert that is delivered through |
| 370 | * {@link INetworkManagementEventObserver} once a threshold amount of data |
| 371 | * has been transferred. |
| 372 | */ |
| 373 | private void registerGlobalAlert() { |
| 374 | try { |
| 375 | final long alertBytes = mSettings.getPersistThreshold(); |
| 376 | mNetworkManager.setGlobalAlert(alertBytes); |
| 377 | } catch (IllegalStateException e) { |
| 378 | Slog.w(TAG, "problem registering for global alert: " + e); |
| 379 | } catch (RemoteException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 380 | // ignored; service lives in system_server |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 381 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | @Override |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 385 | public NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields) { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 386 | mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 387 | return getHistoryForNetworkDev(template, fields); |
| 388 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 389 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 390 | private NetworkStatsHistory getHistoryForNetworkDev(NetworkTemplate template, int fields) { |
| 391 | return getHistoryForNetwork(template, fields, mNetworkDevStats); |
| 392 | } |
| 393 | |
| 394 | private NetworkStatsHistory getHistoryForNetworkXt(NetworkTemplate template, int fields) { |
| 395 | return getHistoryForNetwork(template, fields, mNetworkXtStats); |
| 396 | } |
| 397 | |
| 398 | private NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields, |
| 399 | HashMap<NetworkIdentitySet, NetworkStatsHistory> source) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 400 | synchronized (mStatsLock) { |
| 401 | // combine all interfaces that match template |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 402 | final NetworkStatsHistory combined = new NetworkStatsHistory( |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 403 | mSettings.getNetworkBucketDuration(), estimateNetworkBuckets(), fields); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 404 | for (NetworkIdentitySet ident : source.keySet()) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 405 | if (templateMatches(template, ident)) { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 406 | final NetworkStatsHistory history = source.get(ident); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 407 | if (history != null) { |
| 408 | combined.recordEntireHistory(history); |
| 409 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 410 | } |
| 411 | } |
| 412 | return combined; |
| 413 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | @Override |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 417 | public NetworkStatsHistory getHistoryForUid( |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 418 | NetworkTemplate template, int uid, int set, int tag, int fields) { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 419 | mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 420 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 421 | synchronized (mStatsLock) { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 422 | ensureUidStatsLoadedLocked(); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 423 | |
| 424 | // combine all interfaces that match template |
| 425 | final NetworkStatsHistory combined = new NetworkStatsHistory( |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 426 | mSettings.getUidBucketDuration(), estimateUidBuckets(), fields); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 427 | for (UidStatsKey key : mUidStats.keySet()) { |
| 428 | final boolean setMatches = set == SET_ALL || key.set == set; |
| 429 | if (templateMatches(template, key.ident) && key.uid == uid && setMatches |
| 430 | && key.tag == tag) { |
| 431 | final NetworkStatsHistory history = mUidStats.get(key); |
| 432 | combined.recordEntireHistory(history); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 433 | } |
| 434 | } |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 435 | |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 436 | return combined; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 437 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 438 | } |
| 439 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 440 | @Override |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 441 | public NetworkStats getSummaryForNetwork(NetworkTemplate template, long start, long end) { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 442 | mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 443 | return getSummaryForNetworkDev(template, start, end); |
| 444 | } |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 445 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 446 | private NetworkStats getSummaryForNetworkDev(NetworkTemplate template, long start, long end) { |
| 447 | return getSummaryForNetwork(template, start, end, mNetworkDevStats); |
| 448 | } |
| 449 | |
| 450 | private NetworkStats getSummaryForNetworkXt(NetworkTemplate template, long start, long end) { |
| 451 | return getSummaryForNetwork(template, start, end, mNetworkXtStats); |
| 452 | } |
| 453 | |
| 454 | private NetworkStats getSummaryForNetwork(NetworkTemplate template, long start, long end, |
| 455 | HashMap<NetworkIdentitySet, NetworkStatsHistory> source) { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 456 | synchronized (mStatsLock) { |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 457 | // use system clock to be externally consistent |
| 458 | final long now = System.currentTimeMillis(); |
| 459 | |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 460 | final NetworkStats stats = new NetworkStats(end - start, 1); |
| 461 | final NetworkStats.Entry entry = new NetworkStats.Entry(); |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 462 | NetworkStatsHistory.Entry historyEntry = null; |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 463 | |
| 464 | // combine total from all interfaces that match template |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 465 | for (NetworkIdentitySet ident : source.keySet()) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 466 | if (templateMatches(template, ident)) { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 467 | final NetworkStatsHistory history = source.get(ident); |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 468 | historyEntry = history.getValues(start, end, now, historyEntry); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 469 | |
| 470 | entry.iface = IFACE_ALL; |
| 471 | entry.uid = UID_ALL; |
| 472 | entry.tag = TAG_NONE; |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 473 | entry.rxBytes = historyEntry.rxBytes; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 474 | entry.rxPackets = historyEntry.rxPackets; |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 475 | entry.txBytes = historyEntry.txBytes; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 476 | entry.txPackets = historyEntry.txPackets; |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 477 | |
| 478 | stats.combineValues(entry); |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 479 | } |
| 480 | } |
| 481 | |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 482 | return stats; |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 483 | } |
| 484 | } |
| 485 | |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 486 | private long getHistoryStartLocked( |
| 487 | NetworkTemplate template, HashMap<NetworkIdentitySet, NetworkStatsHistory> source) { |
| 488 | long start = Long.MAX_VALUE; |
| 489 | for (NetworkIdentitySet ident : source.keySet()) { |
| 490 | if (templateMatches(template, ident)) { |
| 491 | final NetworkStatsHistory history = source.get(ident); |
| 492 | start = Math.min(start, history.getStart()); |
| 493 | } |
| 494 | } |
| 495 | return start; |
| 496 | } |
| 497 | |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 498 | @Override |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 499 | public NetworkStats getSummaryForAllUid( |
| 500 | NetworkTemplate template, long start, long end, boolean includeTags) { |
Jeff Sharkey | 21c9c45 | 2011-06-07 12:26:43 -0700 | [diff] [blame] | 501 | mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 502 | |
Jeff Sharkey | 19862bf | 2011-06-02 17:38:22 -0700 | [diff] [blame] | 503 | synchronized (mStatsLock) { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 504 | ensureUidStatsLoadedLocked(); |
| 505 | |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 506 | // use system clock to be externally consistent |
| 507 | final long now = System.currentTimeMillis(); |
| 508 | |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 509 | final NetworkStats stats = new NetworkStats(end - start, 24); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 510 | final NetworkStats.Entry entry = new NetworkStats.Entry(); |
Jeff Sharkey | 434962e | 2011-07-12 20:20:56 -0700 | [diff] [blame] | 511 | NetworkStatsHistory.Entry historyEntry = null; |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 512 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 513 | for (UidStatsKey key : mUidStats.keySet()) { |
| 514 | if (templateMatches(template, key.ident)) { |
| 515 | // always include summary under TAG_NONE, and include |
| 516 | // other tags when requested. |
| 517 | if (key.tag == TAG_NONE || includeTags) { |
| 518 | final NetworkStatsHistory history = mUidStats.get(key); |
| 519 | historyEntry = history.getValues(start, end, now, historyEntry); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 520 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 521 | entry.iface = IFACE_ALL; |
| 522 | entry.uid = key.uid; |
| 523 | entry.set = key.set; |
| 524 | entry.tag = key.tag; |
| 525 | entry.rxBytes = historyEntry.rxBytes; |
| 526 | entry.rxPackets = historyEntry.rxPackets; |
| 527 | entry.txBytes = historyEntry.txBytes; |
| 528 | entry.txPackets = historyEntry.txPackets; |
| 529 | entry.operations = historyEntry.operations; |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 530 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 531 | if (entry.rxBytes > 0 || entry.rxPackets > 0 || entry.txBytes > 0 |
| 532 | || entry.txPackets > 0 || entry.operations > 0) { |
| 533 | stats.combineValues(entry); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 534 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 535 | } |
| 536 | } |
Jeff Sharkey | 19862bf | 2011-06-02 17:38:22 -0700 | [diff] [blame] | 537 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 538 | |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 539 | return stats; |
Jeff Sharkey | 19862bf | 2011-06-02 17:38:22 -0700 | [diff] [blame] | 540 | } |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 541 | } |
| 542 | |
Jeff Sharkey | 350083e | 2011-06-29 10:45:16 -0700 | [diff] [blame] | 543 | @Override |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 544 | public NetworkStats getDataLayerSnapshotForUid(int uid) throws RemoteException { |
| 545 | if (Binder.getCallingUid() != uid) { |
| 546 | mContext.enforceCallingOrSelfPermission(ACCESS_NETWORK_STATE, TAG); |
| 547 | } |
| 548 | |
| 549 | // TODO: switch to data layer stats once kernel exports |
| 550 | // for now, read network layer stats and flatten across all ifaces |
Jeff Sharkey | 4529bb6 | 2011-12-14 10:31:54 -0800 | [diff] [blame] | 551 | final long token = Binder.clearCallingIdentity(); |
| 552 | final NetworkStats networkLayer; |
| 553 | try { |
| 554 | networkLayer = mNetworkManager.getNetworkStatsUidDetail(uid); |
| 555 | } finally { |
| 556 | Binder.restoreCallingIdentity(token); |
| 557 | } |
| 558 | |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 559 | final NetworkStats dataLayer = new NetworkStats( |
| 560 | networkLayer.getElapsedRealtime(), networkLayer.size()); |
| 561 | |
| 562 | NetworkStats.Entry entry = null; |
| 563 | for (int i = 0; i < networkLayer.size(); i++) { |
| 564 | entry = networkLayer.getValues(i, entry); |
| 565 | entry.iface = IFACE_ALL; |
| 566 | dataLayer.combineValues(entry); |
| 567 | } |
| 568 | |
| 569 | // splice in operation counts |
| 570 | dataLayer.spliceOperationsFrom(mOperations); |
| 571 | return dataLayer; |
| 572 | } |
| 573 | |
| 574 | @Override |
| 575 | public void incrementOperationCount(int uid, int tag, int operationCount) { |
| 576 | if (Binder.getCallingUid() != uid) { |
| 577 | mContext.enforceCallingOrSelfPermission(MODIFY_NETWORK_ACCOUNTING, TAG); |
| 578 | } |
| 579 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 580 | if (operationCount < 0) { |
| 581 | throw new IllegalArgumentException("operation count can only be incremented"); |
| 582 | } |
| 583 | if (tag == TAG_NONE) { |
| 584 | throw new IllegalArgumentException("operation count must have specific tag"); |
| 585 | } |
| 586 | |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 587 | synchronized (mStatsLock) { |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 588 | final int set = mActiveUidCounterSet.get(uid, SET_DEFAULT); |
| 589 | mOperations.combineValues(IFACE_ALL, uid, set, tag, 0L, 0L, 0L, 0L, operationCount); |
| 590 | mOperations.combineValues(IFACE_ALL, uid, set, TAG_NONE, 0L, 0L, 0L, 0L, operationCount); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | @Override |
| 595 | public void setUidForeground(int uid, boolean uidForeground) { |
| 596 | mContext.enforceCallingOrSelfPermission(MODIFY_NETWORK_ACCOUNTING, TAG); |
| 597 | |
| 598 | synchronized (mStatsLock) { |
| 599 | final int set = uidForeground ? SET_FOREGROUND : SET_DEFAULT; |
| 600 | final int oldSet = mActiveUidCounterSet.get(uid, SET_DEFAULT); |
| 601 | if (oldSet != set) { |
| 602 | mActiveUidCounterSet.put(uid, set); |
| 603 | setKernelCounterSet(uid, set); |
| 604 | } |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 605 | } |
| 606 | } |
| 607 | |
| 608 | @Override |
Jeff Sharkey | 350083e | 2011-06-29 10:45:16 -0700 | [diff] [blame] | 609 | public void forceUpdate() { |
| 610 | mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG); |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 611 | performPoll(FLAG_PERSIST_ALL); |
Jeff Sharkey | 350083e | 2011-06-29 10:45:16 -0700 | [diff] [blame] | 612 | } |
| 613 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 614 | /** |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 615 | * Receiver that watches for {@link IConnectivityManager} to claim network |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 616 | * interfaces. Used to associate {@link TelephonyManager#getSubscriberId()} |
| 617 | * with mobile interfaces. |
| 618 | */ |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 619 | private BroadcastReceiver mConnReceiver = new BroadcastReceiver() { |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 620 | @Override |
| 621 | public void onReceive(Context context, Intent intent) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 622 | // on background handler thread, and verified CONNECTIVITY_INTERNAL |
| 623 | // permission above. |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 624 | updateIfaces(); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 625 | } |
| 626 | }; |
| 627 | |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 628 | /** |
| 629 | * Receiver that watches for {@link Tethering} to claim interface pairs. |
| 630 | */ |
| 631 | private BroadcastReceiver mTetherReceiver = new BroadcastReceiver() { |
| 632 | @Override |
| 633 | public void onReceive(Context context, Intent intent) { |
| 634 | // on background handler thread, and verified CONNECTIVITY_INTERNAL |
| 635 | // permission above. |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 636 | performPoll(FLAG_PERSIST_NETWORK); |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 637 | } |
| 638 | }; |
| 639 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 640 | private BroadcastReceiver mPollReceiver = new BroadcastReceiver() { |
| 641 | @Override |
| 642 | public void onReceive(Context context, Intent intent) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 643 | // on background handler thread, and verified UPDATE_DEVICE_STATS |
| 644 | // permission above. |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 645 | performPoll(FLAG_PERSIST_ALL); |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 646 | |
| 647 | // verify that we're watching global alert |
| 648 | registerGlobalAlert(); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 649 | } |
| 650 | }; |
| 651 | |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 652 | private BroadcastReceiver mRemovedReceiver = new BroadcastReceiver() { |
| 653 | @Override |
| 654 | public void onReceive(Context context, Intent intent) { |
| 655 | // on background handler thread, and UID_REMOVED is protected |
| 656 | // broadcast. |
| 657 | final int uid = intent.getIntExtra(EXTRA_UID, 0); |
| 658 | synchronized (mStatsLock) { |
Jeff Sharkey | 6248926 | 2011-07-17 12:53:28 -0700 | [diff] [blame] | 659 | mWakeLock.acquire(); |
| 660 | try { |
| 661 | removeUidLocked(uid); |
| 662 | } finally { |
| 663 | mWakeLock.release(); |
| 664 | } |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 665 | } |
| 666 | } |
| 667 | }; |
| 668 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 669 | private BroadcastReceiver mShutdownReceiver = new BroadcastReceiver() { |
| 670 | @Override |
| 671 | public void onReceive(Context context, Intent intent) { |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 672 | // SHUTDOWN is protected broadcast. |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 673 | synchronized (mStatsLock) { |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 674 | shutdownLocked(); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 675 | } |
| 676 | } |
| 677 | }; |
| 678 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 679 | /** |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 680 | * Observer that watches for {@link INetworkManagementService} alerts. |
| 681 | */ |
| 682 | private INetworkManagementEventObserver mAlertObserver = new NetworkAlertObserver() { |
| 683 | @Override |
| 684 | public void limitReached(String limitName, String iface) { |
| 685 | // only someone like NMS should be calling us |
| 686 | mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); |
| 687 | |
| 688 | if (LIMIT_GLOBAL_ALERT.equals(limitName)) { |
| 689 | // kick off background poll to collect network stats; UID stats |
| 690 | // are handled during normal polling interval. |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 691 | final int flags = FLAG_PERSIST_NETWORK; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 692 | mHandler.obtainMessage(MSG_PERFORM_POLL, flags, 0).sendToTarget(); |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 693 | |
| 694 | // re-arm global alert for next update |
| 695 | registerGlobalAlert(); |
| 696 | } |
| 697 | } |
| 698 | }; |
| 699 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 700 | private int mLastPhoneState = TelephonyManager.DATA_UNKNOWN; |
| 701 | private int mLastPhoneNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN; |
| 702 | |
| 703 | /** |
| 704 | * Receiver that watches for {@link TelephonyManager} changes, such as |
| 705 | * transitioning between network types. |
| 706 | */ |
| 707 | private PhoneStateListener mPhoneListener = new PhoneStateListener() { |
| 708 | @Override |
| 709 | public void onDataConnectionStateChanged(int state, int networkType) { |
| 710 | final boolean stateChanged = state != mLastPhoneState; |
| 711 | final boolean networkTypeChanged = networkType != mLastPhoneNetworkType; |
| 712 | |
| 713 | if (networkTypeChanged && !stateChanged) { |
| 714 | // networkType changed without a state change, which means we |
| 715 | // need to roll our own update. delay long enough for |
| 716 | // ConnectivityManager to process. |
| 717 | // TODO: add direct event to ConnectivityService instead of |
| 718 | // relying on this delay. |
| 719 | if (LOGV) Slog.v(TAG, "triggering delayed updateIfaces()"); |
| 720 | mHandler.sendMessageDelayed( |
| 721 | mHandler.obtainMessage(MSG_UPDATE_IFACES), SECOND_IN_MILLIS); |
| 722 | } |
| 723 | |
| 724 | mLastPhoneState = state; |
| 725 | mLastPhoneNetworkType = networkType; |
| 726 | } |
| 727 | }; |
| 728 | |
| 729 | private void updateIfaces() { |
| 730 | synchronized (mStatsLock) { |
| 731 | mWakeLock.acquire(); |
| 732 | try { |
| 733 | updateIfacesLocked(); |
| 734 | } finally { |
| 735 | mWakeLock.release(); |
| 736 | } |
| 737 | } |
| 738 | } |
| 739 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 740 | /** |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 741 | * Inspect all current {@link NetworkState} to derive mapping from {@code |
| 742 | * iface} to {@link NetworkStatsHistory}. When multiple {@link NetworkInfo} |
| 743 | * are active on a single {@code iface}, they are combined under a single |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 744 | * {@link NetworkIdentitySet}. |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 745 | */ |
| 746 | private void updateIfacesLocked() { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 747 | if (LOGV) Slog.v(TAG, "updateIfacesLocked()"); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 748 | |
| 749 | // take one last stats snapshot before updating iface mapping. this |
| 750 | // isn't perfect, since the kernel may already be counting traffic from |
| 751 | // the updated network. |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 752 | |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 753 | // poll, but only persist network stats to keep codepath fast. UID stats |
| 754 | // will be persisted during next alarm poll event. |
| 755 | performPollLocked(FLAG_PERSIST_NETWORK); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 756 | |
| 757 | final NetworkState[] states; |
| 758 | try { |
| 759 | states = mConnManager.getAllNetworkState(); |
| 760 | } catch (RemoteException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 761 | // ignored; service lives in system_server |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 762 | return; |
| 763 | } |
| 764 | |
| 765 | // rebuild active interfaces based on connected networks |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 766 | mActiveIfaces.clear(); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 767 | |
| 768 | for (NetworkState state : states) { |
| 769 | if (state.networkInfo.isConnected()) { |
| 770 | // collect networks under their parent interfaces |
| 771 | final String iface = state.linkProperties.getInterfaceName(); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 772 | |
| 773 | NetworkIdentitySet ident = mActiveIfaces.get(iface); |
| 774 | if (ident == null) { |
| 775 | ident = new NetworkIdentitySet(); |
| 776 | mActiveIfaces.put(iface, ident); |
| 777 | } |
| 778 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 779 | ident.add(NetworkIdentity.buildNetworkIdentity(mContext, state)); |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 784 | /** |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 785 | * Bootstrap initial stats snapshot, usually during {@link #systemReady()} |
| 786 | * so we have baseline values without double-counting. |
| 787 | */ |
| 788 | private void bootstrapStats() { |
| 789 | try { |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 790 | mLastPollUidSnapshot = mNetworkManager.getNetworkStatsUidDetail(UID_ALL); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 791 | mLastPollNetworkDevSnapshot = mNetworkManager.getNetworkStatsSummary(); |
| 792 | mLastPollNetworkXtSnapshot = computeNetworkXtSnapshotFromUid(mLastPollUidSnapshot); |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 793 | mLastPollOperationsSnapshot = new NetworkStats(0L, 0); |
| 794 | } catch (IllegalStateException e) { |
| 795 | Slog.w(TAG, "problem reading network stats: " + e); |
| 796 | } catch (RemoteException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 797 | // ignored; service lives in system_server |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 798 | } |
| 799 | } |
| 800 | |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 801 | private void performPoll(int flags) { |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 802 | synchronized (mStatsLock) { |
| 803 | mWakeLock.acquire(); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 804 | |
| 805 | // try refreshing time source when stale |
| 806 | if (mTime.getCacheAge() > mSettings.getTimeCacheMaxAge()) { |
| 807 | mTime.forceRefresh(); |
| 808 | } |
| 809 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 810 | try { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 811 | performPollLocked(flags); |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 812 | } finally { |
| 813 | mWakeLock.release(); |
| 814 | } |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | /** |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 819 | * Periodic poll operation, reading current statistics and recording into |
| 820 | * {@link NetworkStatsHistory}. |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 821 | */ |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 822 | private void performPollLocked(int flags) { |
| 823 | if (LOGV) Slog.v(TAG, "performPollLocked(flags=0x" + Integer.toHexString(flags) + ")"); |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 824 | final long startRealtime = SystemClock.elapsedRealtime(); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 825 | |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 826 | final boolean persistNetwork = (flags & FLAG_PERSIST_NETWORK) != 0; |
| 827 | final boolean persistUid = (flags & FLAG_PERSIST_UID) != 0; |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 828 | final boolean persistForce = (flags & FLAG_PERSIST_FORCE) != 0; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 829 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 830 | // TODO: consider marking "untrusted" times in historical stats |
| 831 | final long currentTime = mTime.hasCache() ? mTime.currentTimeMillis() |
| 832 | : System.currentTimeMillis(); |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 833 | final long threshold = mSettings.getPersistThreshold(); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 834 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 835 | final NetworkStats uidSnapshot; |
| 836 | final NetworkStats networkXtSnapshot; |
| 837 | final NetworkStats networkDevSnapshot; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 838 | try { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 839 | // collect any tethering stats |
Jeff Sharkey | d4ef8c8f | 2011-11-10 17:54:23 -0800 | [diff] [blame] | 840 | final NetworkStats tetherSnapshot = getNetworkStatsTethering(); |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 841 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 842 | // record uid stats, folding in tethering stats |
| 843 | uidSnapshot = mNetworkManager.getNetworkStatsUidDetail(UID_ALL); |
| 844 | uidSnapshot.combineAllValues(tetherSnapshot); |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 845 | performUidPollLocked(uidSnapshot, currentTime); |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 846 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 847 | // record dev network stats |
| 848 | networkDevSnapshot = mNetworkManager.getNetworkStatsSummary(); |
| 849 | performNetworkDevPollLocked(networkDevSnapshot, currentTime); |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 850 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 851 | // record xt network stats |
| 852 | networkXtSnapshot = computeNetworkXtSnapshotFromUid(uidSnapshot); |
| 853 | performNetworkXtPollLocked(networkXtSnapshot, currentTime); |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 854 | |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 855 | } catch (IllegalStateException e) { |
| 856 | Log.wtf(TAG, "problem reading network stats", e); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 857 | return; |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 858 | } catch (RemoteException e) { |
| 859 | // ignored; service lives in system_server |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 860 | return; |
| 861 | } |
| 862 | |
| 863 | // persist when enough network data has occurred |
| 864 | final long persistNetworkDevDelta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 865 | mLastPersistNetworkDevSnapshot, networkDevSnapshot, true, "devp").getTotalBytes(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 866 | final long persistNetworkXtDelta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 867 | mLastPersistNetworkXtSnapshot, networkXtSnapshot, true, "xtp").getTotalBytes(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 868 | final boolean networkOverThreshold = persistNetworkDevDelta > threshold |
| 869 | || persistNetworkXtDelta > threshold; |
| 870 | if (persistForce || (persistNetwork && networkOverThreshold)) { |
| 871 | writeNetworkDevStatsLocked(); |
| 872 | writeNetworkXtStatsLocked(); |
| 873 | mLastPersistNetworkDevSnapshot = networkDevSnapshot; |
| 874 | mLastPersistNetworkXtSnapshot = networkXtSnapshot; |
| 875 | } |
| 876 | |
| 877 | // persist when enough uid data has occurred |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 878 | final long persistUidDelta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 879 | mLastPersistUidSnapshot, uidSnapshot, true, "uidp").getTotalBytes(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 880 | if (persistForce || (persistUid && persistUidDelta > threshold)) { |
| 881 | writeUidStatsLocked(); |
| 882 | mLastPersistUidSnapshot = uidSnapshot; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 883 | } |
Jeff Sharkey | 497e443 | 2011-06-14 17:27:29 -0700 | [diff] [blame] | 884 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 885 | if (LOGV) { |
| 886 | final long duration = SystemClock.elapsedRealtime() - startRealtime; |
| 887 | Slog.v(TAG, "performPollLocked() took " + duration + "ms"); |
| 888 | } |
| 889 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 890 | if (ENABLE_SAMPLE_AFTER_POLL) { |
| 891 | // sample stats after each full poll |
| 892 | performSample(); |
| 893 | } |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 894 | |
Jeff Sharkey | 497e443 | 2011-06-14 17:27:29 -0700 | [diff] [blame] | 895 | // finally, dispatch updated event to any listeners |
| 896 | final Intent updatedIntent = new Intent(ACTION_NETWORK_STATS_UPDATED); |
| 897 | updatedIntent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| 898 | mContext.sendBroadcast(updatedIntent, READ_NETWORK_USAGE_HISTORY); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | /** |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 902 | * Update {@link #mNetworkDevStats} historical usage. |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 903 | */ |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 904 | private void performNetworkDevPollLocked(NetworkStats networkDevSnapshot, long currentTime) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 905 | final HashSet<String> unknownIface = Sets.newHashSet(); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 906 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 907 | final NetworkStats delta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 908 | mLastPollNetworkDevSnapshot, networkDevSnapshot, false, "dev"); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 909 | final long timeStart = currentTime - delta.getElapsedRealtime(); |
| 910 | |
| 911 | NetworkStats.Entry entry = null; |
| 912 | for (int i = 0; i < delta.size(); i++) { |
| 913 | entry = delta.getValues(i, entry); |
| 914 | final NetworkIdentitySet ident = mActiveIfaces.get(entry.iface); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 915 | if (ident == null) { |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 916 | unknownIface.add(entry.iface); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 917 | continue; |
| 918 | } |
| 919 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 920 | final NetworkStatsHistory history = findOrCreateNetworkDevStatsLocked(ident); |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 921 | history.recordData(timeStart, currentTime, entry); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 922 | } |
| 923 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 924 | mLastPollNetworkDevSnapshot = networkDevSnapshot; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 925 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 926 | if (LOGD && unknownIface.size() > 0) { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 927 | Slog.w(TAG, "unknown dev interfaces " + unknownIface + ", ignoring those stats"); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Update {@link #mNetworkXtStats} historical usage. |
| 933 | */ |
| 934 | private void performNetworkXtPollLocked(NetworkStats networkXtSnapshot, long currentTime) { |
| 935 | final HashSet<String> unknownIface = Sets.newHashSet(); |
| 936 | |
| 937 | final NetworkStats delta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 938 | mLastPollNetworkXtSnapshot, networkXtSnapshot, false, "xt"); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 939 | final long timeStart = currentTime - delta.getElapsedRealtime(); |
| 940 | |
| 941 | NetworkStats.Entry entry = null; |
| 942 | for (int i = 0; i < delta.size(); i++) { |
| 943 | entry = delta.getValues(i, entry); |
| 944 | final NetworkIdentitySet ident = mActiveIfaces.get(entry.iface); |
| 945 | if (ident == null) { |
| 946 | unknownIface.add(entry.iface); |
| 947 | continue; |
| 948 | } |
| 949 | |
| 950 | final NetworkStatsHistory history = findOrCreateNetworkXtStatsLocked(ident); |
| 951 | history.recordData(timeStart, currentTime, entry); |
| 952 | } |
| 953 | |
| 954 | mLastPollNetworkXtSnapshot = networkXtSnapshot; |
| 955 | |
| 956 | if (LOGD && unknownIface.size() > 0) { |
| 957 | Slog.w(TAG, "unknown xt interfaces " + unknownIface + ", ignoring those stats"); |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 958 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 959 | } |
| 960 | |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 961 | /** |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 962 | * Update {@link #mUidStats} historical usage. |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 963 | */ |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 964 | private void performUidPollLocked(NetworkStats uidSnapshot, long currentTime) { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 965 | ensureUidStatsLoadedLocked(); |
| 966 | |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 967 | final NetworkStats delta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 968 | mLastPollUidSnapshot, uidSnapshot, false, "uid"); |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 969 | final NetworkStats operationsDelta = computeStatsDelta( |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 970 | mLastPollOperationsSnapshot, mOperations, false, "uidop"); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 971 | final long timeStart = currentTime - delta.getElapsedRealtime(); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 972 | |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 973 | NetworkStats.Entry entry = null; |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 974 | NetworkStats.Entry operationsEntry = null; |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 975 | for (int i = 0; i < delta.size(); i++) { |
| 976 | entry = delta.getValues(i, entry); |
| 977 | final NetworkIdentitySet ident = mActiveIfaces.get(entry.iface); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 978 | if (ident == null) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 979 | if (entry.rxBytes > 0 || entry.rxPackets > 0 || entry.txBytes > 0 |
| 980 | || entry.txPackets > 0) { |
| 981 | Log.w(TAG, "dropping UID delta from unknown iface: " + entry); |
| 982 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 983 | continue; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 984 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 985 | |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 986 | // splice in operation counts since last poll |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 987 | final int j = operationsDelta.findIndex(IFACE_ALL, entry.uid, entry.set, entry.tag); |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 988 | if (j != -1) { |
| 989 | operationsEntry = operationsDelta.getValues(j, operationsEntry); |
| 990 | entry.operations = operationsEntry.operations; |
| 991 | } |
| 992 | |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 993 | final NetworkStatsHistory history = findOrCreateUidStatsLocked( |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 994 | ident, entry.uid, entry.set, entry.tag); |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 995 | history.recordData(timeStart, currentTime, entry); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 996 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 997 | |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 998 | mLastPollUidSnapshot = uidSnapshot; |
Jeff Sharkey | 4abb1b8 | 2011-11-08 17:35:28 -0800 | [diff] [blame] | 999 | mLastPollOperationsSnapshot = mOperations.clone(); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1000 | } |
| 1001 | |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1002 | /** |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1003 | * Sample recent statistics summary into {@link EventLog}. |
| 1004 | */ |
| 1005 | private void performSample() { |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1006 | final long largestBucketSize = Math.max( |
| 1007 | mSettings.getNetworkBucketDuration(), mSettings.getUidBucketDuration()); |
| 1008 | |
| 1009 | // take sample as atomic buckets |
| 1010 | final long now = mTime.hasCache() ? mTime.currentTimeMillis() : System.currentTimeMillis(); |
| 1011 | final long end = now - (now % largestBucketSize) + largestBucketSize; |
| 1012 | final long start = end - largestBucketSize; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1013 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1014 | final long trustedTime = mTime.hasCache() ? mTime.currentTimeMillis() : -1; |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1015 | long devHistoryStart = Long.MAX_VALUE; |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1016 | |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1017 | NetworkTemplate template = null; |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1018 | NetworkStats.Entry devTotal = null; |
| 1019 | NetworkStats.Entry xtTotal = null; |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1020 | NetworkStats.Entry uidTotal = null; |
| 1021 | |
| 1022 | // collect mobile sample |
| 1023 | template = buildTemplateMobileAll(getActiveSubscriberId(mContext)); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1024 | devTotal = getSummaryForNetworkDev(template, start, end).getTotal(devTotal); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1025 | devHistoryStart = getHistoryStartLocked(template, mNetworkDevStats); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1026 | xtTotal = getSummaryForNetworkXt(template, start, end).getTotal(xtTotal); |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1027 | uidTotal = getSummaryForAllUid(template, start, end, false).getTotal(uidTotal); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1028 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1029 | EventLogTags.writeNetstatsMobileSample( |
| 1030 | devTotal.rxBytes, devTotal.rxPackets, devTotal.txBytes, devTotal.txPackets, |
| 1031 | xtTotal.rxBytes, xtTotal.rxPackets, xtTotal.txBytes, xtTotal.txPackets, |
| 1032 | uidTotal.rxBytes, uidTotal.rxPackets, uidTotal.txBytes, uidTotal.txPackets, |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1033 | trustedTime, devHistoryStart); |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1034 | |
| 1035 | // collect wifi sample |
| 1036 | template = buildTemplateWifi(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1037 | devTotal = getSummaryForNetworkDev(template, start, end).getTotal(devTotal); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1038 | devHistoryStart = getHistoryStartLocked(template, mNetworkDevStats); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1039 | xtTotal = getSummaryForNetworkXt(template, start, end).getTotal(xtTotal); |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1040 | uidTotal = getSummaryForAllUid(template, start, end, false).getTotal(uidTotal); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1041 | EventLogTags.writeNetstatsWifiSample( |
| 1042 | devTotal.rxBytes, devTotal.rxPackets, devTotal.txBytes, devTotal.txPackets, |
| 1043 | xtTotal.rxBytes, xtTotal.rxPackets, xtTotal.txBytes, xtTotal.txPackets, |
| 1044 | uidTotal.rxBytes, uidTotal.rxPackets, uidTotal.txBytes, uidTotal.txPackets, |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1045 | trustedTime, devHistoryStart); |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1046 | } |
| 1047 | |
| 1048 | /** |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1049 | * Clean up {@link #mUidStats} after UID is removed. |
| 1050 | */ |
| 1051 | private void removeUidLocked(int uid) { |
| 1052 | ensureUidStatsLoadedLocked(); |
| 1053 | |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1054 | // perform one last poll before removing |
| 1055 | performPollLocked(FLAG_PERSIST_ALL); |
| 1056 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1057 | final ArrayList<UidStatsKey> knownKeys = Lists.newArrayList(); |
| 1058 | knownKeys.addAll(mUidStats.keySet()); |
| 1059 | |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1060 | // migrate all UID stats into special "removed" bucket |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1061 | for (UidStatsKey key : knownKeys) { |
| 1062 | if (key.uid == uid) { |
| 1063 | // only migrate combined TAG_NONE history |
| 1064 | if (key.tag == TAG_NONE) { |
| 1065 | final NetworkStatsHistory uidHistory = mUidStats.get(key); |
| 1066 | final NetworkStatsHistory removedHistory = findOrCreateUidStatsLocked( |
| 1067 | key.ident, UID_REMOVED, SET_DEFAULT, TAG_NONE); |
| 1068 | removedHistory.recordEntireHistory(uidHistory); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1069 | } |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1070 | mUidStats.remove(key); |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1071 | } |
| 1072 | } |
| 1073 | |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1074 | // clear UID from current stats snapshot |
Jeff Sharkey | d04ff11 | 2011-12-12 18:51:26 -0800 | [diff] [blame] | 1075 | if (mLastPollUidSnapshot != null) { |
| 1076 | mLastPollUidSnapshot = mLastPollUidSnapshot.withoutUid(uid); |
| 1077 | mLastPollNetworkXtSnapshot = computeNetworkXtSnapshotFromUid(mLastPollUidSnapshot); |
| 1078 | } |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1079 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1080 | // clear kernel stats associated with UID |
| 1081 | resetKernelUidStats(uid); |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1082 | |
| 1083 | // since this was radical rewrite, push to disk |
| 1084 | writeUidStatsLocked(); |
| 1085 | } |
| 1086 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1087 | private NetworkStatsHistory findOrCreateNetworkXtStatsLocked(NetworkIdentitySet ident) { |
| 1088 | return findOrCreateNetworkStatsLocked(ident, mNetworkXtStats); |
| 1089 | } |
| 1090 | |
| 1091 | private NetworkStatsHistory findOrCreateNetworkDevStatsLocked(NetworkIdentitySet ident) { |
| 1092 | return findOrCreateNetworkStatsLocked(ident, mNetworkDevStats); |
| 1093 | } |
| 1094 | |
| 1095 | private NetworkStatsHistory findOrCreateNetworkStatsLocked( |
| 1096 | NetworkIdentitySet ident, HashMap<NetworkIdentitySet, NetworkStatsHistory> source) { |
| 1097 | final NetworkStatsHistory existing = source.get(ident); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1098 | |
| 1099 | // update when no existing, or when bucket duration changed |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1100 | final long bucketDuration = mSettings.getNetworkBucketDuration(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1101 | NetworkStatsHistory updated = null; |
| 1102 | if (existing == null) { |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1103 | updated = new NetworkStatsHistory(bucketDuration, 10); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 1104 | } else if (existing.getBucketDuration() != bucketDuration) { |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1105 | updated = new NetworkStatsHistory( |
| 1106 | bucketDuration, estimateResizeBuckets(existing, bucketDuration)); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1107 | updated.recordEntireHistory(existing); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1108 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1109 | |
| 1110 | if (updated != null) { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1111 | source.put(ident, updated); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1112 | return updated; |
| 1113 | } else { |
| 1114 | return existing; |
| 1115 | } |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1116 | } |
| 1117 | |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1118 | private NetworkStatsHistory findOrCreateUidStatsLocked( |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1119 | NetworkIdentitySet ident, int uid, int set, int tag) { |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1120 | ensureUidStatsLoadedLocked(); |
| 1121 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1122 | final UidStatsKey key = new UidStatsKey(ident, uid, set, tag); |
| 1123 | final NetworkStatsHistory existing = mUidStats.get(key); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1124 | |
| 1125 | // update when no existing, or when bucket duration changed |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1126 | final long bucketDuration = mSettings.getUidBucketDuration(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1127 | NetworkStatsHistory updated = null; |
| 1128 | if (existing == null) { |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1129 | updated = new NetworkStatsHistory(bucketDuration, 10); |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 1130 | } else if (existing.getBucketDuration() != bucketDuration) { |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1131 | updated = new NetworkStatsHistory( |
| 1132 | bucketDuration, estimateResizeBuckets(existing, bucketDuration)); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1133 | updated.recordEntireHistory(existing); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1134 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1135 | |
| 1136 | if (updated != null) { |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1137 | mUidStats.put(key, updated); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1138 | return updated; |
| 1139 | } else { |
| 1140 | return existing; |
| 1141 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1142 | } |
| 1143 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1144 | private void readNetworkDevStatsLocked() { |
| 1145 | if (LOGV) Slog.v(TAG, "readNetworkDevStatsLocked()"); |
| 1146 | readNetworkStats(mNetworkDevFile, mNetworkDevStats); |
| 1147 | } |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1148 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1149 | private void readNetworkXtStatsLocked() { |
| 1150 | if (LOGV) Slog.v(TAG, "readNetworkXtStatsLocked()"); |
| 1151 | readNetworkStats(mNetworkXtFile, mNetworkXtStats); |
| 1152 | } |
| 1153 | |
| 1154 | private static void readNetworkStats( |
| 1155 | AtomicFile inputFile, HashMap<NetworkIdentitySet, NetworkStatsHistory> output) { |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1156 | // clear any existing stats and read from disk |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1157 | output.clear(); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1158 | |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1159 | DataInputStream in = null; |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1160 | try { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1161 | in = new DataInputStream(new BufferedInputStream(inputFile.openRead())); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1162 | |
| 1163 | // verify file magic header intact |
| 1164 | final int magic = in.readInt(); |
| 1165 | if (magic != FILE_MAGIC) { |
| 1166 | throw new ProtocolException("unexpected magic: " + magic); |
| 1167 | } |
| 1168 | |
| 1169 | final int version = in.readInt(); |
| 1170 | switch (version) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1171 | case VERSION_NETWORK_INIT: { |
| 1172 | // network := size *(NetworkIdentitySet NetworkStatsHistory) |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1173 | final int size = in.readInt(); |
| 1174 | for (int i = 0; i < size; i++) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1175 | final NetworkIdentitySet ident = new NetworkIdentitySet(in); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1176 | final NetworkStatsHistory history = new NetworkStatsHistory(in); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1177 | output.put(ident, history); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1178 | } |
| 1179 | break; |
| 1180 | } |
| 1181 | default: { |
| 1182 | throw new ProtocolException("unexpected version: " + version); |
| 1183 | } |
| 1184 | } |
| 1185 | } catch (FileNotFoundException e) { |
| 1186 | // missing stats is okay, probably first boot |
| 1187 | } catch (IOException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1188 | Log.wtf(TAG, "problem reading network stats", e); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1189 | } finally { |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1190 | IoUtils.closeQuietly(in); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1191 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1192 | } |
| 1193 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1194 | private void ensureUidStatsLoadedLocked() { |
| 1195 | if (!mUidStatsLoaded) { |
| 1196 | readUidStatsLocked(); |
| 1197 | mUidStatsLoaded = true; |
| 1198 | } |
| 1199 | } |
| 1200 | |
| 1201 | private void readUidStatsLocked() { |
| 1202 | if (LOGV) Slog.v(TAG, "readUidStatsLocked()"); |
| 1203 | |
| 1204 | // clear any existing stats and read from disk |
| 1205 | mUidStats.clear(); |
| 1206 | |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1207 | DataInputStream in = null; |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1208 | try { |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1209 | in = new DataInputStream(new BufferedInputStream(mUidFile.openRead())); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1210 | |
| 1211 | // verify file magic header intact |
| 1212 | final int magic = in.readInt(); |
| 1213 | if (magic != FILE_MAGIC) { |
| 1214 | throw new ProtocolException("unexpected magic: " + magic); |
| 1215 | } |
| 1216 | |
| 1217 | final int version = in.readInt(); |
| 1218 | switch (version) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1219 | case VERSION_UID_INIT: { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1220 | // uid := size *(UID NetworkStatsHistory) |
| 1221 | |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1222 | // drop this data version, since we don't have a good |
| 1223 | // mapping into NetworkIdentitySet. |
| 1224 | break; |
| 1225 | } |
| 1226 | case VERSION_UID_WITH_IDENT: { |
| 1227 | // uid := size *(NetworkIdentitySet size *(UID NetworkStatsHistory)) |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1228 | |
| 1229 | // drop this data version, since this version only existed |
| 1230 | // for a short time. |
| 1231 | break; |
| 1232 | } |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1233 | case VERSION_UID_WITH_TAG: |
| 1234 | case VERSION_UID_WITH_SET: { |
| 1235 | // uid := size *(NetworkIdentitySet size *(uid set tag NetworkStatsHistory)) |
| 1236 | final int identSize = in.readInt(); |
| 1237 | for (int i = 0; i < identSize; i++) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1238 | final NetworkIdentitySet ident = new NetworkIdentitySet(in); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1239 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1240 | final int size = in.readInt(); |
| 1241 | for (int j = 0; j < size; j++) { |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1242 | final int uid = in.readInt(); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1243 | final int set = (version >= VERSION_UID_WITH_SET) ? in.readInt() |
| 1244 | : SET_DEFAULT; |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1245 | final int tag = in.readInt(); |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1246 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1247 | final UidStatsKey key = new UidStatsKey(ident, uid, set, tag); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1248 | final NetworkStatsHistory history = new NetworkStatsHistory(in); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1249 | mUidStats.put(key, history); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1250 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1251 | } |
| 1252 | break; |
| 1253 | } |
| 1254 | default: { |
| 1255 | throw new ProtocolException("unexpected version: " + version); |
| 1256 | } |
| 1257 | } |
| 1258 | } catch (FileNotFoundException e) { |
| 1259 | // missing stats is okay, probably first boot |
| 1260 | } catch (IOException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1261 | Log.wtf(TAG, "problem reading uid stats", e); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1262 | } finally { |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1263 | IoUtils.closeQuietly(in); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1264 | } |
| 1265 | } |
| 1266 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1267 | private void writeNetworkDevStatsLocked() { |
| 1268 | if (LOGV) Slog.v(TAG, "writeNetworkDevStatsLocked()"); |
| 1269 | writeNetworkStats(mNetworkDevStats, mNetworkDevFile); |
| 1270 | } |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1271 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1272 | private void writeNetworkXtStatsLocked() { |
| 1273 | if (LOGV) Slog.v(TAG, "writeNetworkXtStatsLocked()"); |
| 1274 | writeNetworkStats(mNetworkXtStats, mNetworkXtFile); |
| 1275 | } |
| 1276 | |
| 1277 | private void writeNetworkStats( |
| 1278 | HashMap<NetworkIdentitySet, NetworkStatsHistory> input, AtomicFile outputFile) { |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 1279 | // TODO: consider duplicating stats and releasing lock while writing |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1280 | |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1281 | // trim any history beyond max |
| 1282 | if (mTime.hasCache()) { |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1283 | final long systemCurrentTime = System.currentTimeMillis(); |
| 1284 | final long trustedCurrentTime = mTime.currentTimeMillis(); |
| 1285 | |
| 1286 | final long currentTime = Math.min(systemCurrentTime, trustedCurrentTime); |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1287 | final long maxHistory = mSettings.getNetworkMaxHistory(); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1288 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1289 | for (NetworkStatsHistory history : input.values()) { |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1290 | final int beforeSize = history.size(); |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1291 | history.removeBucketsBefore(currentTime - maxHistory); |
Jeff Sharkey | 684c54a | 2011-11-16 17:46:30 -0800 | [diff] [blame] | 1292 | final int afterSize = history.size(); |
| 1293 | |
| 1294 | if (beforeSize > 24 && afterSize < beforeSize / 2) { |
| 1295 | // yikes, dropping more than half of significant history |
| 1296 | final StringBuilder builder = new StringBuilder(); |
| 1297 | builder.append("yikes, dropping more than half of history").append('\n'); |
| 1298 | builder.append("systemCurrentTime=").append(systemCurrentTime).append('\n'); |
| 1299 | builder.append("trustedCurrentTime=").append(trustedCurrentTime).append('\n'); |
| 1300 | builder.append("maxHistory=").append(maxHistory).append('\n'); |
| 1301 | builder.append("beforeSize=").append(beforeSize).append('\n'); |
| 1302 | builder.append("afterSize=").append(afterSize).append('\n'); |
| 1303 | mDropBox.addText(TAG_NETSTATS_ERROR, builder.toString()); |
| 1304 | } |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1305 | } |
| 1306 | } |
| 1307 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1308 | FileOutputStream fos = null; |
| 1309 | try { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1310 | fos = outputFile.startWrite(); |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1311 | final DataOutputStream out = new DataOutputStream(new BufferedOutputStream(fos)); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1312 | |
| 1313 | out.writeInt(FILE_MAGIC); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1314 | out.writeInt(VERSION_NETWORK_INIT); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1315 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1316 | out.writeInt(input.size()); |
| 1317 | for (NetworkIdentitySet ident : input.keySet()) { |
| 1318 | final NetworkStatsHistory history = input.get(ident); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1319 | ident.writeToStream(out); |
| 1320 | history.writeToStream(out); |
| 1321 | } |
| 1322 | |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1323 | out.flush(); |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1324 | outputFile.finishWrite(fos); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1325 | } catch (IOException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1326 | Log.wtf(TAG, "problem writing stats", e); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1327 | if (fos != null) { |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1328 | outputFile.failWrite(fos); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1329 | } |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | private void writeUidStatsLocked() { |
| 1334 | if (LOGV) Slog.v(TAG, "writeUidStatsLocked()"); |
| 1335 | |
Jeff Sharkey | b09540f | 2011-06-19 01:08:12 -0700 | [diff] [blame] | 1336 | if (!mUidStatsLoaded) { |
| 1337 | Slog.w(TAG, "asked to write UID stats when not loaded; skipping"); |
| 1338 | return; |
| 1339 | } |
| 1340 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1341 | // TODO: consider duplicating stats and releasing lock while writing |
| 1342 | |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1343 | // trim any history beyond max |
| 1344 | if (mTime.hasCache()) { |
Jeff Sharkey | 7ee8658 | 2011-11-14 18:02:21 -0800 | [diff] [blame] | 1345 | final long currentTime = Math.min( |
| 1346 | System.currentTimeMillis(), mTime.currentTimeMillis()); |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1347 | final long maxUidHistory = mSettings.getUidMaxHistory(); |
| 1348 | final long maxTagHistory = mSettings.getTagMaxHistory(); |
| 1349 | for (UidStatsKey key : mUidStats.keySet()) { |
| 1350 | final NetworkStatsHistory history = mUidStats.get(key); |
| 1351 | |
| 1352 | // detailed tags are trimmed sooner than summary in TAG_NONE |
| 1353 | if (key.tag == TAG_NONE) { |
| 1354 | history.removeBucketsBefore(currentTime - maxUidHistory); |
| 1355 | } else { |
| 1356 | history.removeBucketsBefore(currentTime - maxTagHistory); |
| 1357 | } |
| 1358 | } |
| 1359 | } |
| 1360 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1361 | // build UidStatsKey lists grouped by ident |
| 1362 | final HashMap<NetworkIdentitySet, ArrayList<UidStatsKey>> keysByIdent = Maps.newHashMap(); |
| 1363 | for (UidStatsKey key : mUidStats.keySet()) { |
| 1364 | ArrayList<UidStatsKey> keys = keysByIdent.get(key.ident); |
| 1365 | if (keys == null) { |
| 1366 | keys = Lists.newArrayList(); |
| 1367 | keysByIdent.put(key.ident, keys); |
| 1368 | } |
| 1369 | keys.add(key); |
| 1370 | } |
| 1371 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1372 | FileOutputStream fos = null; |
| 1373 | try { |
| 1374 | fos = mUidFile.startWrite(); |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1375 | final DataOutputStream out = new DataOutputStream(new BufferedOutputStream(fos)); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1376 | |
| 1377 | out.writeInt(FILE_MAGIC); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1378 | out.writeInt(VERSION_UID_WITH_SET); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1379 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1380 | out.writeInt(keysByIdent.size()); |
| 1381 | for (NetworkIdentitySet ident : keysByIdent.keySet()) { |
| 1382 | final ArrayList<UidStatsKey> keys = keysByIdent.get(ident); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1383 | ident.writeToStream(out); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1384 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1385 | out.writeInt(keys.size()); |
| 1386 | for (UidStatsKey key : keys) { |
| 1387 | final NetworkStatsHistory history = mUidStats.get(key); |
| 1388 | out.writeInt(key.uid); |
| 1389 | out.writeInt(key.set); |
| 1390 | out.writeInt(key.tag); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1391 | history.writeToStream(out); |
| 1392 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1393 | } |
| 1394 | |
Jeff Sharkey | 4e814c3 | 2011-07-14 20:37:37 -0700 | [diff] [blame] | 1395 | out.flush(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1396 | mUidFile.finishWrite(fos); |
| 1397 | } catch (IOException e) { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1398 | Log.wtf(TAG, "problem writing stats", e); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1399 | if (fos != null) { |
| 1400 | mUidFile.failWrite(fos); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1401 | } |
| 1402 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1403 | } |
| 1404 | |
| 1405 | @Override |
| 1406 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1407 | mContext.enforceCallingOrSelfPermission(DUMP, TAG); |
| 1408 | |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1409 | final HashSet<String> argSet = new HashSet<String>(); |
| 1410 | for (String arg : args) { |
| 1411 | argSet.add(arg); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1412 | } |
| 1413 | |
Jeff Sharkey | 350083e | 2011-06-29 10:45:16 -0700 | [diff] [blame] | 1414 | final boolean fullHistory = argSet.contains("full"); |
| 1415 | |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1416 | synchronized (mStatsLock) { |
| 1417 | // TODO: remove this testing code, since it corrupts stats |
| 1418 | if (argSet.contains("generate")) { |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 1419 | generateRandomLocked(args); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1420 | pw.println("Generated stub stats"); |
| 1421 | return; |
| 1422 | } |
| 1423 | |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1424 | if (argSet.contains("poll")) { |
Jeff Sharkey | 1f0b13b | 2011-09-18 13:30:23 -0700 | [diff] [blame] | 1425 | performPollLocked(FLAG_PERSIST_ALL | FLAG_PERSIST_FORCE); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame] | 1426 | pw.println("Forced poll"); |
| 1427 | return; |
| 1428 | } |
| 1429 | |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1430 | pw.println("Active interfaces:"); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1431 | for (String iface : mActiveIfaces.keySet()) { |
| 1432 | final NetworkIdentitySet ident = mActiveIfaces.get(iface); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1433 | pw.print(" iface="); pw.print(iface); |
| 1434 | pw.print(" ident="); pw.println(ident.toString()); |
| 1435 | } |
| 1436 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1437 | pw.println("Known historical dev stats:"); |
| 1438 | for (NetworkIdentitySet ident : mNetworkDevStats.keySet()) { |
| 1439 | final NetworkStatsHistory history = mNetworkDevStats.get(ident); |
| 1440 | pw.print(" ident="); pw.println(ident.toString()); |
| 1441 | history.dump(" ", pw, fullHistory); |
| 1442 | } |
| 1443 | |
| 1444 | pw.println("Known historical xt stats:"); |
| 1445 | for (NetworkIdentitySet ident : mNetworkXtStats.keySet()) { |
| 1446 | final NetworkStatsHistory history = mNetworkXtStats.get(ident); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1447 | pw.print(" ident="); pw.println(ident.toString()); |
Jeff Sharkey | 350083e | 2011-06-29 10:45:16 -0700 | [diff] [blame] | 1448 | history.dump(" ", pw, fullHistory); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1449 | } |
| 1450 | |
| 1451 | if (argSet.contains("detail")) { |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1452 | // since explicitly requested with argument, we're okay to load |
| 1453 | // from disk if not already in memory. |
| 1454 | ensureUidStatsLoadedLocked(); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1455 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1456 | final ArrayList<UidStatsKey> keys = Lists.newArrayList(); |
| 1457 | keys.addAll(mUidStats.keySet()); |
| 1458 | Collections.sort(keys); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1459 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1460 | pw.println("Detailed UID stats:"); |
| 1461 | for (UidStatsKey key : keys) { |
| 1462 | pw.print(" ident="); pw.print(key.ident.toString()); |
| 1463 | pw.print(" uid="); pw.print(key.uid); |
| 1464 | pw.print(" set="); pw.print(NetworkStats.setToString(key.set)); |
| 1465 | pw.print(" tag="); pw.println(NetworkStats.tagToString(key.tag)); |
| 1466 | |
| 1467 | final NetworkStatsHistory history = mUidStats.get(key); |
| 1468 | history.dump(" ", pw, fullHistory); |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1469 | } |
| 1470 | } |
| 1471 | } |
| 1472 | } |
| 1473 | |
| 1474 | /** |
| 1475 | * @deprecated only for temporary testing |
| 1476 | */ |
| 1477 | @Deprecated |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 1478 | private void generateRandomLocked(String[] args) { |
| 1479 | final long totalBytes = Long.parseLong(args[1]); |
| 1480 | final long totalTime = Long.parseLong(args[2]); |
| 1481 | |
| 1482 | final PackageManager pm = mContext.getPackageManager(); |
| 1483 | final ArrayList<Integer> specialUidList = Lists.newArrayList(); |
| 1484 | for (int i = 3; i < args.length; i++) { |
| 1485 | try { |
| 1486 | specialUidList.add(pm.getApplicationInfo(args[i], 0).uid); |
| 1487 | } catch (NameNotFoundException e) { |
| 1488 | throw new RuntimeException(e); |
| 1489 | } |
| 1490 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1491 | |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 1492 | final HashSet<Integer> otherUidSet = Sets.newHashSet(); |
| 1493 | for (ApplicationInfo info : pm.getInstalledApplications(0)) { |
| 1494 | if (pm.checkPermission(android.Manifest.permission.INTERNET, info.packageName) |
| 1495 | == PackageManager.PERMISSION_GRANTED && !specialUidList.contains(info.uid)) { |
| 1496 | otherUidSet.add(info.uid); |
| 1497 | } |
| 1498 | } |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1499 | |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 1500 | final ArrayList<Integer> otherUidList = new ArrayList<Integer>(otherUidSet); |
| 1501 | |
| 1502 | final long end = System.currentTimeMillis(); |
| 1503 | final long start = end - totalTime; |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1504 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1505 | mNetworkDevStats.clear(); |
| 1506 | mNetworkXtStats.clear(); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1507 | mUidStats.clear(); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1508 | |
Jeff Sharkey | 293779f | 2011-10-05 23:31:57 -0700 | [diff] [blame] | 1509 | final Random r = new Random(); |
| 1510 | for (NetworkIdentitySet ident : mActiveIfaces.values()) { |
| 1511 | final NetworkStatsHistory devHistory = findOrCreateNetworkDevStatsLocked(ident); |
| 1512 | final NetworkStatsHistory xtHistory = findOrCreateNetworkXtStatsLocked(ident); |
| 1513 | |
| 1514 | final ArrayList<Integer> uidList = new ArrayList<Integer>(); |
| 1515 | uidList.addAll(specialUidList); |
| 1516 | |
| 1517 | if (uidList.size() == 0) { |
| 1518 | Collections.shuffle(otherUidList); |
| 1519 | uidList.addAll(otherUidList); |
| 1520 | } |
| 1521 | |
| 1522 | boolean first = true; |
| 1523 | long remainingBytes = totalBytes; |
| 1524 | for (int uid : uidList) { |
| 1525 | final NetworkStatsHistory defaultHistory = findOrCreateUidStatsLocked( |
| 1526 | ident, uid, SET_DEFAULT, TAG_NONE); |
| 1527 | final NetworkStatsHistory foregroundHistory = findOrCreateUidStatsLocked( |
| 1528 | ident, uid, SET_FOREGROUND, TAG_NONE); |
| 1529 | |
| 1530 | final long uidBytes = totalBytes / uidList.size(); |
| 1531 | |
| 1532 | final float fractionDefault = r.nextFloat(); |
| 1533 | final long defaultBytes = (long) (uidBytes * fractionDefault); |
| 1534 | final long foregroundBytes = (long) (uidBytes * (1 - fractionDefault)); |
| 1535 | |
| 1536 | defaultHistory.generateRandom(start, end, defaultBytes); |
| 1537 | foregroundHistory.generateRandom(start, end, foregroundBytes); |
| 1538 | |
| 1539 | if (first) { |
| 1540 | final long bumpTime = (start + end) / 2; |
| 1541 | defaultHistory.recordData( |
| 1542 | bumpTime, bumpTime + DAY_IN_MILLIS, 200 * MB_IN_BYTES, 0); |
| 1543 | first = false; |
| 1544 | } |
| 1545 | |
| 1546 | devHistory.recordEntireHistory(defaultHistory); |
| 1547 | devHistory.recordEntireHistory(foregroundHistory); |
| 1548 | xtHistory.recordEntireHistory(defaultHistory); |
| 1549 | xtHistory.recordEntireHistory(foregroundHistory); |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1550 | } |
Jeff Sharkey | 61ee0bb | 2011-05-29 22:50:42 -0700 | [diff] [blame] | 1551 | } |
| 1552 | } |
| 1553 | |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1554 | /** |
| 1555 | * Return the delta between two {@link NetworkStats} snapshots, where {@code |
| 1556 | * before} can be {@code null}. |
| 1557 | */ |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1558 | private NetworkStats computeStatsDelta( |
| 1559 | NetworkStats before, NetworkStats current, boolean collectStale, String type) { |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1560 | if (before != null) { |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1561 | try { |
Jeff Sharkey | d4ef8c8f | 2011-11-10 17:54:23 -0800 | [diff] [blame] | 1562 | return current.subtract(before, false); |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1563 | } catch (NonMonotonicException e) { |
| 1564 | Log.w(TAG, "found non-monotonic values; saving to dropbox"); |
| 1565 | |
| 1566 | // record error for debugging |
| 1567 | final StringBuilder builder = new StringBuilder(); |
Jeff Sharkey | 3359aca | 2011-11-08 18:08:48 -0800 | [diff] [blame] | 1568 | builder.append("found non-monotonic " + type + " values at left[" + e.leftIndex |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1569 | + "] - right[" + e.rightIndex + "]\n"); |
| 1570 | builder.append("left=").append(e.left).append('\n'); |
| 1571 | builder.append("right=").append(e.right).append('\n'); |
| 1572 | mDropBox.addText(TAG_NETSTATS_ERROR, builder.toString()); |
| 1573 | |
Jeff Sharkey | d4ef8c8f | 2011-11-10 17:54:23 -0800 | [diff] [blame] | 1574 | try { |
| 1575 | // return clamped delta to help recover |
| 1576 | return current.subtract(before, true); |
| 1577 | } catch (NonMonotonicException e1) { |
| 1578 | Log.wtf(TAG, "found non-monotonic values; returning empty delta", e1); |
| 1579 | return new NetworkStats(0L, 10); |
| 1580 | } |
Jeff Sharkey | 163e644 | 2011-10-31 16:37:52 -0700 | [diff] [blame] | 1581 | } |
Jeff Sharkey | 63d27a9 | 2011-08-03 17:04:22 -0700 | [diff] [blame] | 1582 | } else if (collectStale) { |
| 1583 | // caller is okay collecting stale stats for first call. |
| 1584 | return current; |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1585 | } else { |
Jeff Sharkey | a63ba59 | 2011-07-19 23:47:12 -0700 | [diff] [blame] | 1586 | // this is first snapshot; to prevent from double-counting we only |
| 1587 | // observe traffic occuring between known snapshots. |
| 1588 | return new NetworkStats(0L, 10); |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1589 | } |
| 1590 | } |
| 1591 | |
Jeff Sharkey | d4ef8c8f | 2011-11-10 17:54:23 -0800 | [diff] [blame] | 1592 | /** |
| 1593 | * Return snapshot of current tethering statistics. Will return empty |
| 1594 | * {@link NetworkStats} if any problems are encountered. |
| 1595 | */ |
| 1596 | private NetworkStats getNetworkStatsTethering() throws RemoteException { |
| 1597 | try { |
| 1598 | final String[] tetheredIfacePairs = mConnManager.getTetheredIfacePairs(); |
| 1599 | return mNetworkManager.getNetworkStatsTethering(tetheredIfacePairs); |
| 1600 | } catch (IllegalStateException e) { |
| 1601 | Log.wtf(TAG, "problem reading network stats", e); |
| 1602 | return new NetworkStats(0L, 10); |
| 1603 | } |
| 1604 | } |
| 1605 | |
Jeff Sharkey | 905b589 | 2011-09-30 15:19:49 -0700 | [diff] [blame] | 1606 | private static NetworkStats computeNetworkXtSnapshotFromUid(NetworkStats uidSnapshot) { |
| 1607 | return uidSnapshot.groupedByIface(); |
| 1608 | } |
| 1609 | |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1610 | private int estimateNetworkBuckets() { |
| 1611 | return (int) (mSettings.getNetworkMaxHistory() / mSettings.getNetworkBucketDuration()); |
| 1612 | } |
| 1613 | |
| 1614 | private int estimateUidBuckets() { |
| 1615 | return (int) (mSettings.getUidMaxHistory() / mSettings.getUidBucketDuration()); |
| 1616 | } |
| 1617 | |
| 1618 | private static int estimateResizeBuckets(NetworkStatsHistory existing, long newBucketDuration) { |
Jeff Sharkey | d37948f | 2011-07-12 13:57:00 -0700 | [diff] [blame] | 1619 | return (int) (existing.size() * existing.getBucketDuration() / newBucketDuration); |
Jeff Sharkey | 4a97122 | 2011-06-11 22:16:55 -0700 | [diff] [blame] | 1620 | } |
| 1621 | |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1622 | /** |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1623 | * Test if given {@link NetworkTemplate} matches any {@link NetworkIdentity} |
| 1624 | * in the given {@link NetworkIdentitySet}. |
| 1625 | */ |
| 1626 | private static boolean templateMatches(NetworkTemplate template, NetworkIdentitySet identSet) { |
| 1627 | for (NetworkIdentity ident : identSet) { |
| 1628 | if (template.matches(ident)) { |
| 1629 | return true; |
| 1630 | } |
| 1631 | } |
| 1632 | return false; |
| 1633 | } |
| 1634 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1635 | private Handler.Callback mHandlerCallback = new Handler.Callback() { |
| 1636 | /** {@inheritDoc} */ |
| 1637 | public boolean handleMessage(Message msg) { |
| 1638 | switch (msg.what) { |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 1639 | case MSG_PERFORM_POLL: { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1640 | final int flags = msg.arg1; |
| 1641 | performPoll(flags); |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1642 | return true; |
| 1643 | } |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 1644 | case MSG_UPDATE_IFACES: { |
| 1645 | updateIfaces(); |
| 1646 | return true; |
| 1647 | } |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1648 | default: { |
| 1649 | return false; |
| 1650 | } |
| 1651 | } |
| 1652 | } |
| 1653 | }; |
| 1654 | |
Jeff Sharkey | 07b0dd9 | 2011-09-01 13:06:19 -0700 | [diff] [blame] | 1655 | private static String getActiveSubscriberId(Context context) { |
| 1656 | final TelephonyManager telephony = (TelephonyManager) context.getSystemService( |
| 1657 | Context.TELEPHONY_SERVICE); |
| 1658 | return telephony.getSubscriberId(); |
| 1659 | } |
| 1660 | |
Jeff Sharkey | 418d12d | 2011-12-13 15:38:03 -0800 | [diff] [blame] | 1661 | private boolean isBandwidthControlEnabled() { |
| 1662 | try { |
| 1663 | return mNetworkManager.isBandwidthControlEnabled(); |
| 1664 | } catch (RemoteException e) { |
| 1665 | // ignored; service lives in system_server |
| 1666 | return false; |
| 1667 | } |
| 1668 | } |
| 1669 | |
Jeff Sharkey | b5d55e3 | 2011-08-10 17:53:27 -0700 | [diff] [blame] | 1670 | /** |
| 1671 | * Key uniquely identifying a {@link NetworkStatsHistory} for a UID. |
| 1672 | */ |
| 1673 | private static class UidStatsKey implements Comparable<UidStatsKey> { |
| 1674 | public final NetworkIdentitySet ident; |
| 1675 | public final int uid; |
| 1676 | public final int set; |
| 1677 | public final int tag; |
| 1678 | |
| 1679 | public UidStatsKey(NetworkIdentitySet ident, int uid, int set, int tag) { |
| 1680 | this.ident = ident; |
| 1681 | this.uid = uid; |
| 1682 | this.set = set; |
| 1683 | this.tag = tag; |
| 1684 | } |
| 1685 | |
| 1686 | @Override |
| 1687 | public int hashCode() { |
| 1688 | return Objects.hashCode(ident, uid, set, tag); |
| 1689 | } |
| 1690 | |
| 1691 | @Override |
| 1692 | public boolean equals(Object obj) { |
| 1693 | if (obj instanceof UidStatsKey) { |
| 1694 | final UidStatsKey key = (UidStatsKey) obj; |
| 1695 | return Objects.equal(ident, key.ident) && uid == key.uid && set == key.set |
| 1696 | && tag == key.tag; |
| 1697 | } |
| 1698 | return false; |
| 1699 | } |
| 1700 | |
| 1701 | /** {@inheritDoc} */ |
| 1702 | public int compareTo(UidStatsKey another) { |
| 1703 | return Integer.compare(uid, another.uid); |
| 1704 | } |
| 1705 | } |
| 1706 | |
Jeff Sharkey | 1b5a2a9 | 2011-06-18 18:34:16 -0700 | [diff] [blame] | 1707 | /** |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1708 | * Default external settings that read from {@link Settings.Secure}. |
| 1709 | */ |
| 1710 | private static class DefaultNetworkStatsSettings implements NetworkStatsSettings { |
| 1711 | private final ContentResolver mResolver; |
| 1712 | |
| 1713 | public DefaultNetworkStatsSettings(Context context) { |
| 1714 | mResolver = checkNotNull(context.getContentResolver()); |
| 1715 | // TODO: adjust these timings for production builds |
| 1716 | } |
| 1717 | |
| 1718 | private long getSecureLong(String name, long def) { |
| 1719 | return Settings.Secure.getLong(mResolver, name, def); |
| 1720 | } |
Jeff Sharkey | 991d1b1 | 2011-09-14 19:31:04 -0700 | [diff] [blame] | 1721 | private boolean getSecureBoolean(String name, boolean def) { |
| 1722 | final int defInt = def ? 1 : 0; |
| 1723 | return Settings.Secure.getInt(mResolver, name, defInt) != 0; |
| 1724 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1725 | |
| 1726 | public long getPollInterval() { |
Jeff Sharkey | 8e9992a | 2011-08-23 18:37:23 -0700 | [diff] [blame] | 1727 | return getSecureLong(NETSTATS_POLL_INTERVAL, 30 * MINUTE_IN_MILLIS); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1728 | } |
| 1729 | public long getPersistThreshold() { |
Jeff Sharkey | b3d5957 | 2011-09-07 17:20:27 -0700 | [diff] [blame] | 1730 | return getSecureLong(NETSTATS_PERSIST_THRESHOLD, 2 * MB_IN_BYTES); |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1731 | } |
| 1732 | public long getNetworkBucketDuration() { |
| 1733 | return getSecureLong(NETSTATS_NETWORK_BUCKET_DURATION, HOUR_IN_MILLIS); |
| 1734 | } |
| 1735 | public long getNetworkMaxHistory() { |
| 1736 | return getSecureLong(NETSTATS_NETWORK_MAX_HISTORY, 90 * DAY_IN_MILLIS); |
| 1737 | } |
| 1738 | public long getUidBucketDuration() { |
| 1739 | return getSecureLong(NETSTATS_UID_BUCKET_DURATION, 2 * HOUR_IN_MILLIS); |
| 1740 | } |
| 1741 | public long getUidMaxHistory() { |
| 1742 | return getSecureLong(NETSTATS_UID_MAX_HISTORY, 90 * DAY_IN_MILLIS); |
| 1743 | } |
Jeff Sharkey | d03fd3f | 2011-06-19 20:55:09 -0700 | [diff] [blame] | 1744 | public long getTagMaxHistory() { |
| 1745 | return getSecureLong(NETSTATS_TAG_MAX_HISTORY, 30 * DAY_IN_MILLIS); |
| 1746 | } |
Jeff Sharkey | 39ebc21 | 2011-06-11 17:25:42 -0700 | [diff] [blame] | 1747 | public long getTimeCacheMaxAge() { |
| 1748 | return DAY_IN_MILLIS; |
| 1749 | } |
| 1750 | } |
Jeff Sharkey | 7527990 | 2011-05-24 18:39:45 -0700 | [diff] [blame] | 1751 | } |