Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.net; |
| 18 | |
Jeff Sharkey | eedcb95 | 2011-05-17 14:55:15 -0700 | [diff] [blame] | 19 | import android.content.Context; |
| 20 | import android.os.IBinder; |
| 21 | import android.os.INetworkManagementService; |
| 22 | import android.os.RemoteException; |
| 23 | import android.os.ServiceManager; |
| 24 | |
Jeff Sharkey | 43be174 | 2011-04-21 18:45:43 -0700 | [diff] [blame] | 25 | import dalvik.system.BlockGuard; |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 26 | |
Jeff Sharkey | 43be174 | 2011-04-21 18:45:43 -0700 | [diff] [blame] | 27 | import java.net.Socket; |
| 28 | import java.net.SocketException; |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 29 | |
| 30 | /** |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 31 | * Class that provides network traffic statistics. These statistics include |
| 32 | * bytes transmitted and received and network packets transmitted and received, |
| 33 | * over all interfaces, over the mobile interface, and on a per-UID basis. |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 34 | * <p> |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 35 | * These statistics may not be available on all platforms. If the statistics |
| 36 | * are not supported by this device, {@link #UNSUPPORTED} will be returned. |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 37 | */ |
| 38 | public class TrafficStats { |
| 39 | /** |
| 40 | * The return value to indicate that the device does not support the statistic. |
| 41 | */ |
| 42 | public final static int UNSUPPORTED = -1; |
| 43 | |
Jeff Sharkey | d2a4587 | 2011-05-28 20:56:34 -0700 | [diff] [blame] | 44 | // TODO: find better home for these template constants |
| 45 | |
| 46 | /** |
| 47 | * Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style |
| 48 | * networks together. Only uses statistics for currently active IMSI. |
| 49 | * |
| 50 | * @hide |
| 51 | */ |
| 52 | public static final int TEMPLATE_MOBILE_ALL = 1; |
| 53 | |
| 54 | /** |
| 55 | * Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style |
| 56 | * networks together that roughly meet a "3G" definition, or lower. Only |
| 57 | * uses statistics for currently active IMSI. |
| 58 | * |
| 59 | * @hide |
| 60 | */ |
| 61 | public static final int TEMPLATE_MOBILE_3G_LOWER = 2; |
| 62 | |
| 63 | /** |
| 64 | * Template to combine all {@link ConnectivityManager#TYPE_MOBILE} style |
| 65 | * networks together that meet a "4G" definition. Only uses statistics for |
| 66 | * currently active IMSI. |
| 67 | * |
| 68 | * @hide |
| 69 | */ |
| 70 | public static final int TEMPLATE_MOBILE_4G = 3; |
| 71 | |
| 72 | /** |
| 73 | * Template to combine all {@link ConnectivityManager#TYPE_WIFI} style |
| 74 | * networks together. |
| 75 | * |
| 76 | * @hide |
| 77 | */ |
| 78 | public static final int TEMPLATE_WIFI = 4; |
| 79 | |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 80 | /** |
Jeff Sharkey | eedcb95 | 2011-05-17 14:55:15 -0700 | [diff] [blame] | 81 | * Snapshot of {@link NetworkStats} when the currently active profiling |
| 82 | * session started, or {@code null} if no session active. |
| 83 | * |
| 84 | * @see #startDataProfiling(Context) |
| 85 | * @see #stopDataProfiling(Context) |
| 86 | */ |
| 87 | private static NetworkStats sActiveProfilingStart; |
| 88 | |
| 89 | private static Object sProfilingLock = new Object(); |
| 90 | |
| 91 | /** |
Jeff Sharkey | 43be174 | 2011-04-21 18:45:43 -0700 | [diff] [blame] | 92 | * Set active tag to use when accounting {@link Socket} traffic originating |
| 93 | * from the current thread. Only one active tag per thread is supported. |
| 94 | * <p> |
| 95 | * Changes only take effect during subsequent calls to |
| 96 | * {@link #tagSocket(Socket)}. |
| 97 | */ |
| 98 | public static void setThreadStatsTag(String tag) { |
| 99 | BlockGuard.setThreadSocketStatsTag(tag); |
| 100 | } |
| 101 | |
| 102 | public static void clearThreadStatsTag() { |
| 103 | BlockGuard.setThreadSocketStatsTag(null); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Set specific UID to use when accounting {@link Socket} traffic |
| 108 | * originating from the current thread. Designed for use when performing an |
| 109 | * operation on behalf of another application. |
| 110 | * <p> |
| 111 | * Changes only take effect during subsequent calls to |
| 112 | * {@link #tagSocket(Socket)}. |
| 113 | * <p> |
| 114 | * To take effect, caller must hold |
| 115 | * {@link android.Manifest.permission#UPDATE_DEVICE_STATS} permission. |
| 116 | * |
| 117 | * {@hide} |
| 118 | */ |
| 119 | public static void setThreadStatsUid(int uid) { |
| 120 | BlockGuard.setThreadSocketStatsUid(uid); |
| 121 | } |
| 122 | |
| 123 | /** {@hide} */ |
| 124 | public static void clearThreadStatsUid() { |
| 125 | BlockGuard.setThreadSocketStatsUid(-1); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Tag the given {@link Socket} with any statistics parameters active for |
| 130 | * the current thread. Subsequent calls always replace any existing |
| 131 | * parameters. When finished, call {@link #untagSocket(Socket)} to remove |
| 132 | * statistics parameters. |
| 133 | * |
| 134 | * @see #setThreadStatsTag(String) |
| 135 | * @see #setThreadStatsUid(int) |
| 136 | */ |
| 137 | public static void tagSocket(Socket socket) throws SocketException { |
| 138 | BlockGuard.tagSocketFd(socket.getFileDescriptor$()); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Remove any statistics parameters from the given {@link Socket}. |
| 143 | */ |
| 144 | public static void untagSocket(Socket socket) throws SocketException { |
| 145 | BlockGuard.untagSocketFd(socket.getFileDescriptor$()); |
| 146 | } |
| 147 | |
| 148 | /** |
Jeff Sharkey | eedcb95 | 2011-05-17 14:55:15 -0700 | [diff] [blame] | 149 | * Start profiling data usage for current UID. Only one profiling session |
| 150 | * can be active at a time. |
| 151 | * |
| 152 | * @hide |
| 153 | */ |
| 154 | public static void startDataProfiling(Context context) { |
| 155 | synchronized (sProfilingLock) { |
| 156 | if (sActiveProfilingStart != null) { |
| 157 | throw new IllegalStateException("already profiling data"); |
| 158 | } |
| 159 | |
| 160 | // take snapshot in time; we calculate delta later |
| 161 | sActiveProfilingStart = getNetworkStatsForUid(context); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Stop profiling data usage for current UID. |
| 167 | * |
| 168 | * @return Detailed {@link NetworkStats} of data that occurred since last |
| 169 | * {@link #startDataProfiling(Context)} call. |
| 170 | * @hide |
| 171 | */ |
| 172 | public static NetworkStats stopDataProfiling(Context context) { |
| 173 | synchronized (sProfilingLock) { |
| 174 | if (sActiveProfilingStart == null) { |
| 175 | throw new IllegalStateException("not profiling data"); |
| 176 | } |
| 177 | |
| 178 | // subtract starting values and return delta |
| 179 | final NetworkStats profilingStop = getNetworkStatsForUid(context); |
Jeff Sharkey | 3f39135 | 2011-06-05 17:42:53 -0700 | [diff] [blame^] | 180 | final NetworkStats profilingDelta = profilingStop.subtractClamped( |
| 181 | sActiveProfilingStart); |
Jeff Sharkey | eedcb95 | 2011-05-17 14:55:15 -0700 | [diff] [blame] | 182 | sActiveProfilingStart = null; |
| 183 | return profilingDelta; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /** |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 188 | * Get the total number of packets transmitted through the mobile interface. |
| 189 | * |
| 190 | * @return number of packets. If the statistics are not supported by this device, |
| 191 | * {@link #UNSUPPORTED} will be returned. |
| 192 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 193 | public static native long getMobileTxPackets(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 194 | |
| 195 | /** |
| 196 | * Get the total number of packets received through the mobile interface. |
| 197 | * |
| 198 | * @return number of packets. If the statistics are not supported by this device, |
| 199 | * {@link #UNSUPPORTED} will be returned. |
| 200 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 201 | public static native long getMobileRxPackets(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 202 | |
| 203 | /** |
| 204 | * Get the total number of bytes transmitted through the mobile interface. |
| 205 | * |
| 206 | * @return number of bytes. If the statistics are not supported by this device, |
| 207 | * {@link #UNSUPPORTED} will be returned. |
| 208 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 209 | public static native long getMobileTxBytes(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 210 | |
| 211 | /** |
| 212 | * Get the total number of bytes received through the mobile interface. |
| 213 | * |
| 214 | * @return number of bytes. If the statistics are not supported by this device, |
| 215 | * {@link #UNSUPPORTED} will be returned. |
| 216 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 217 | public static native long getMobileRxBytes(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 218 | |
| 219 | /** |
Irfan Sheriff | 227bec4 | 2011-02-15 19:30:27 -0800 | [diff] [blame] | 220 | * Get the total number of packets transmitted through the specified interface. |
| 221 | * |
| 222 | * @return number of packets. If the statistics are not supported by this interface, |
| 223 | * {@link #UNSUPPORTED} will be returned. |
| 224 | * @hide |
| 225 | */ |
| 226 | public static native long getTxPackets(String iface); |
| 227 | |
| 228 | /** |
| 229 | * Get the total number of packets received through the specified interface. |
| 230 | * |
| 231 | * @return number of packets. If the statistics are not supported by this interface, |
| 232 | * {@link #UNSUPPORTED} will be returned. |
| 233 | * @hide |
| 234 | */ |
| 235 | public static native long getRxPackets(String iface); |
| 236 | |
| 237 | /** |
| 238 | * Get the total number of bytes transmitted through the specified interface. |
| 239 | * |
| 240 | * @return number of bytes. If the statistics are not supported by this interface, |
| 241 | * {@link #UNSUPPORTED} will be returned. |
| 242 | * @hide |
| 243 | */ |
| 244 | public static native long getTxBytes(String iface); |
| 245 | |
| 246 | /** |
| 247 | * Get the total number of bytes received through the specified interface. |
| 248 | * |
| 249 | * @return number of bytes. If the statistics are not supported by this interface, |
| 250 | * {@link #UNSUPPORTED} will be returned. |
| 251 | * @hide |
| 252 | */ |
| 253 | public static native long getRxBytes(String iface); |
| 254 | |
| 255 | |
| 256 | /** |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 257 | * Get the total number of packets sent through all network interfaces. |
| 258 | * |
| 259 | * @return the number of packets. If the statistics are not supported by this device, |
| 260 | * {@link #UNSUPPORTED} will be returned. |
| 261 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 262 | public static native long getTotalTxPackets(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 263 | |
| 264 | /** |
| 265 | * Get the total number of packets received through all network interfaces. |
| 266 | * |
| 267 | * @return number of packets. If the statistics are not supported by this device, |
| 268 | * {@link #UNSUPPORTED} will be returned. |
| 269 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 270 | public static native long getTotalRxPackets(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 271 | |
| 272 | /** |
| 273 | * Get the total number of bytes sent through all network interfaces. |
| 274 | * |
| 275 | * @return number of bytes. If the statistics are not supported by this device, |
| 276 | * {@link #UNSUPPORTED} will be returned. |
| 277 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 278 | public static native long getTotalTxBytes(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 279 | |
| 280 | /** |
| 281 | * Get the total number of bytes received through all network interfaces. |
| 282 | * |
| 283 | * @return number of bytes. If the statistics are not supported by this device, |
| 284 | * {@link #UNSUPPORTED} will be returned. |
| 285 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 286 | public static native long getTotalRxBytes(); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 287 | |
| 288 | /** |
| 289 | * Get the number of bytes sent through the network for this UID. |
| 290 | * The statistics are across all interfaces. |
| 291 | * |
| 292 | * {@see android.os.Process#myUid()}. |
| 293 | * |
| 294 | * @param uid The UID of the process to examine. |
| 295 | * @return number of bytes. If the statistics are not supported by this device, |
| 296 | * {@link #UNSUPPORTED} will be returned. |
| 297 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 298 | public static native long getUidTxBytes(int uid); |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 299 | |
| 300 | /** |
| 301 | * Get the number of bytes received through the network for this UID. |
| 302 | * The statistics are across all interfaces. |
| 303 | * |
| 304 | * {@see android.os.Process#myUid()}. |
| 305 | * |
| 306 | * @param uid The UID of the process to examine. |
| 307 | * @return number of bytes |
| 308 | */ |
Dan Egnor | 2b4abcd | 2010-04-07 17:30:50 -0700 | [diff] [blame] | 309 | public static native long getUidRxBytes(int uid); |
Ashish Sharma | c39c1d4 | 2011-01-27 15:52:38 -0800 | [diff] [blame] | 310 | |
| 311 | /** |
| 312 | * Get the number of packets (TCP segments + UDP) sent through |
| 313 | * the network for this UID. |
| 314 | * The statistics are across all interfaces. |
| 315 | * |
| 316 | * {@see android.os.Process#myUid()}. |
| 317 | * |
| 318 | * @param uid The UID of the process to examine. |
| 319 | * @return number of packets. |
| 320 | * If the statistics are not supported by this device, |
| 321 | * {@link #UNSUPPORTED} will be returned. |
| 322 | */ |
| 323 | public static native long getUidTxPackets(int uid); |
| 324 | |
| 325 | /** |
| 326 | * Get the number of packets (TCP segments + UDP) received through |
| 327 | * the network for this UID. |
| 328 | * The statistics are across all interfaces. |
| 329 | * |
| 330 | * {@see android.os.Process#myUid()}. |
| 331 | * |
| 332 | * @param uid The UID of the process to examine. |
| 333 | * @return number of packets |
| 334 | */ |
| 335 | public static native long getUidRxPackets(int uid); |
| 336 | |
| 337 | /** |
| 338 | * Get the number of TCP payload bytes sent for this UID. |
| 339 | * This total does not include protocol and control overheads at |
| 340 | * the transport and the lower layers of the networking stack. |
| 341 | * The statistics are across all interfaces. |
| 342 | * |
| 343 | * {@see android.os.Process#myUid()}. |
| 344 | * |
| 345 | * @param uid The UID of the process to examine. |
| 346 | * @return number of bytes. If the statistics are not supported by this device, |
| 347 | * {@link #UNSUPPORTED} will be returned. |
| 348 | */ |
| 349 | public static native long getUidTcpTxBytes(int uid); |
| 350 | |
| 351 | /** |
| 352 | * Get the number of TCP payload bytes received for this UID. |
| 353 | * This total does not include protocol and control overheads at |
| 354 | * the transport and the lower layers of the networking stack. |
| 355 | * The statistics are across all interfaces. |
| 356 | * |
| 357 | * {@see android.os.Process#myUid()}. |
| 358 | * |
| 359 | * @param uid The UID of the process to examine. |
| 360 | * @return number of bytes. If the statistics are not supported by this device, |
| 361 | * {@link #UNSUPPORTED} will be returned. |
| 362 | */ |
| 363 | public static native long getUidTcpRxBytes(int uid); |
| 364 | |
| 365 | /** |
| 366 | * Get the number of UDP payload bytes sent for this UID. |
| 367 | * This total does not include protocol and control overheads at |
| 368 | * the transport and the lower layers of the networking stack. |
| 369 | * The statistics are across all interfaces. |
| 370 | * |
| 371 | * {@see android.os.Process#myUid()}. |
| 372 | * |
| 373 | * @param uid The UID of the process to examine. |
| 374 | * @return number of bytes. If the statistics are not supported by this device, |
| 375 | * {@link #UNSUPPORTED} will be returned. |
| 376 | */ |
| 377 | public static native long getUidUdpTxBytes(int uid); |
| 378 | |
| 379 | /** |
| 380 | * Get the number of UDP payload bytes received for this UID. |
| 381 | * This total does not include protocol and control overheads at |
| 382 | * the transport and the lower layers of the networking stack. |
| 383 | * The statistics are across all interfaces. |
| 384 | * |
| 385 | * {@see android.os.Process#myUid()}. |
| 386 | * |
| 387 | * @param uid The UID of the process to examine. |
| 388 | * @return number of bytes. If the statistics are not supported by this device, |
| 389 | * {@link #UNSUPPORTED} will be returned. |
| 390 | */ |
| 391 | public static native long getUidUdpRxBytes(int uid); |
| 392 | |
| 393 | /** |
| 394 | * Get the number of TCP segments sent for this UID. |
| 395 | * Does not include TCP control packets (SYN/ACKs/FIN/..). |
| 396 | * The statistics are across all interfaces. |
| 397 | * |
| 398 | * {@see android.os.Process#myUid()}. |
| 399 | * |
| 400 | * @param uid The UID of the process to examine. |
| 401 | * @return number of TCP segments. If the statistics are not supported by this device, |
| 402 | * {@link #UNSUPPORTED} will be returned. |
| 403 | */ |
| 404 | public static native long getUidTcpTxSegments(int uid); |
| 405 | |
| 406 | /** |
Ashish Sharma | beda53d | 2011-01-31 14:29:42 -0800 | [diff] [blame] | 407 | * Get the number of TCP segments received for this UID. |
Ashish Sharma | c39c1d4 | 2011-01-27 15:52:38 -0800 | [diff] [blame] | 408 | * Does not include TCP control packets (SYN/ACKs/FIN/..). |
| 409 | * The statistics are across all interfaces. |
| 410 | * |
| 411 | * {@see android.os.Process#myUid()}. |
| 412 | * |
| 413 | * @param uid The UID of the process to examine. |
| 414 | * @return number of TCP segments. If the statistics are not supported by this device, |
| 415 | * {@link #UNSUPPORTED} will be returned. |
| 416 | */ |
| 417 | public static native long getUidTcpRxSegments(int uid); |
| 418 | |
| 419 | |
| 420 | /** |
| 421 | * Get the number of UDP packets sent for this UID. |
| 422 | * Includes DNS requests. |
| 423 | * The statistics are across all interfaces. |
| 424 | * |
| 425 | * {@see android.os.Process#myUid()}. |
| 426 | * |
| 427 | * @param uid The UID of the process to examine. |
| 428 | * @return number of packets. If the statistics are not supported by this device, |
| 429 | * {@link #UNSUPPORTED} will be returned. |
| 430 | */ |
| 431 | public static native long getUidUdpTxPackets(int uid); |
| 432 | |
| 433 | /** |
| 434 | * Get the number of UDP packets received for this UID. |
| 435 | * Includes DNS responses. |
| 436 | * The statistics are across all interfaces. |
| 437 | * |
| 438 | * {@see android.os.Process#myUid()}. |
| 439 | * |
| 440 | * @param uid The UID of the process to examine. |
| 441 | * @return number of packets. If the statistics are not supported by this device, |
| 442 | * {@link #UNSUPPORTED} will be returned. |
| 443 | */ |
| 444 | public static native long getUidUdpRxPackets(int uid); |
Jeff Sharkey | eedcb95 | 2011-05-17 14:55:15 -0700 | [diff] [blame] | 445 | |
| 446 | /** |
| 447 | * Return detailed {@link NetworkStats} for the current UID. Requires no |
| 448 | * special permission. |
| 449 | */ |
| 450 | private static NetworkStats getNetworkStatsForUid(Context context) { |
| 451 | final IBinder binder = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE); |
| 452 | final INetworkManagementService service = INetworkManagementService.Stub.asInterface( |
| 453 | binder); |
| 454 | |
| 455 | final int uid = android.os.Process.myUid(); |
| 456 | try { |
| 457 | return service.getNetworkStatsUidDetail(uid); |
| 458 | } catch (RemoteException e) { |
| 459 | throw new RuntimeException(e); |
| 460 | } |
| 461 | } |
Ken Shirriff | f7d0b01 | 2009-12-07 15:56:05 -0800 | [diff] [blame] | 462 | } |