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Collect and persist tethering stats.

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Use new "gettetherstats" netd command to retrieve statistics for
active tethering connections.  Keep tethering poll events separate
from UID poll, even though they end up same historical structures.

Bug: 5244846
Change-Id: Ia0c5165f6712c12b51586f86c331a2aad4ad6afb
This commit is contained in:
Jeff Sharkey
2011-09-16 01:52:49 -07:00
parent 4d675fdcf6
commit 987f5ff357
2 changed files with 82 additions and 5 deletions
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18
core/java/android/net/TrafficStats.java
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@@ -52,26 +52,34 @@ public class TrafficStats {
*/
public static final int UID_REMOVED = -4;
/**
* Special UID value used when collecting {@link NetworkStatsHistory} for
* tethering traffic.
*
* @hide
*/
public static final int UID_TETHERING = -5;
/**
* Default tag value for {@link DownloadManager} traffic.
*
* @hide
*/
public static final int TAG_SYSTEM_DOWNLOAD = 0xFFFF0001;
public static final int TAG_SYSTEM_DOWNLOAD = 0xFFFFFF01;
/**
* Default tag value for {@link MediaPlayer} traffic.
*
* @hide
*/
public static final int TAG_SYSTEM_MEDIA = 0xFFFF0002;
public static final int TAG_SYSTEM_MEDIA = 0xFFFFFF02;
/**
* Default tag value for {@link BackupManager} traffic.
*
* @hide
*/
public static final int TAG_SYSTEM_BACKUP = 0xFFFF0003;
public static final int TAG_SYSTEM_BACKUP = 0xFFFFFF03;
/**
* Snapshot of {@link NetworkStats} when the currently active profiling
@@ -90,6 +98,10 @@ public class TrafficStats {
* <p>
* Changes only take effect during subsequent calls to
* {@link #tagSocket(Socket)}.
* <p>
* Tags between {@code 0xFFFFFF00} and {@code 0xFFFFFFFF} are reserved and
* used internally by system services like {@link DownloadManager} when
* performing traffic on behalf of an application.
*/
public static void setThreadStatsTag(int tag) {
NetworkManagementSocketTagger.setThreadSocketStatsTag(tag);