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Commit a2496de3 authored by Christopher Tate's avatar Christopher Tate Committed by Christopher Tate
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Make TrafficStats uid attribution @SystemApi 

Anything that runs as a singleton may need to attribute traffic to
various client apps; in particular, backup transports need to do this.
Apropos of which, introduce a @SystemApi method specifically for that
purpose, setThreadStatsTagBackup().

Bug 16661321

Change-Id: Id5d22e28bdc68edb53f2a1fdba80b144fcbc61d2
parent df192a47

core/java/android/net/TrafficStats.java

+13 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package android.net;



import android.annotation.SystemApi;

import android.app.DownloadManager;

import android.app.backup.BackupManager;

import android.content.Context;
@@ -126,6 +127,16 @@ public class TrafficStats { 
        NetworkManagementSocketTagger.setThreadSocketStatsTag(tag);

    }



    /**

     * System API for backup-related support components to tag network traffic

     * appropriately.

     * @hide

     */

    @SystemApi

    public static void setThreadStatsTagBackup() {

        setThreadStatsTag(TAG_SYSTEM_BACKUP);

    }



    /**

     * Get the active tag used when accounting {@link Socket} traffic originating

     * from the current thread. Only one active tag per thread is supported.
@@ -160,11 +171,13 @@ public class TrafficStats { 
     *

     * @hide

     */

    @SystemApi

    public static void setThreadStatsUid(int uid) {

        NetworkManagementSocketTagger.setThreadSocketStatsUid(uid);

    }



    /** {@hide} */

    @SystemApi

    public static void clearThreadStatsUid() {

        NetworkManagementSocketTagger.setThreadSocketStatsUid(-1);

    }