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Commit 6a76b7e2 authored by Chalard Jean's avatar Chalard Jean
Browse files

Move TrafficStats tags for the network stack constants 

As per API council feedback, these constants should live in
a place that is private to the network stack, only with a
range defined in system API.

Bug: 129433383
Test: m
Change-Id: I84a90f84a9af6fef4667ee4d512ebd0413222086
(cherry picked from commit 79a6330650ca04bd7a08afbd63f8016a3b30bc72)
parent d71df284

Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -923,6 +923,7 @@ filegroup { 
        "core/java/com/android/internal/util/RingBufferIndices.java",

        "core/java/com/android/internal/util/State.java",

        "core/java/com/android/internal/util/StateMachine.java",

        "core/java/com/android/internal/util/TrafficStatsConstants.java",

        "core/java/com/android/internal/util/WakeupMessage.java",

        "core/java/android/net/shared/*.java",

    ]

api/system-current.txt

+6 −3
Original line number Diff line number Diff line
@@ -4227,9 +4227,12 @@ package android.net { 
    method public static void setThreadStatsTagApp();

    method public static void setThreadStatsTagBackup();

    method public static void setThreadStatsTagRestore();

    field public static final int TAG_SYSTEM_DHCP = -192; // 0xffffff40

    field public static final int TAG_SYSTEM_DHCP_SERVER = -186; // 0xffffff46

    field public static final int TAG_SYSTEM_PROBE = -190; // 0xffffff42

    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_END = -113; // 0xffffff8f

    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_START = -128; // 0xffffff80

    field public static final int TAG_NETWORK_STACK_RANGE_END = -257; // 0xfffffeff

    field public static final int TAG_NETWORK_STACK_RANGE_START = -768; // 0xfffffd00

    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_END = -241; // 0xffffff0f

    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_START = -256; // 0xffffff00

  }















  public abstract class Uri implements java.lang.Comparable<android.net.Uri> android.os.Parcelable {

































api/test-current.txt



+0
−3




























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Diff line








@@ -1353,9 +1353,6 @@ package android.net {













    method public static long getLoopbackRxPackets();















    method public static long getLoopbackTxBytes();















    method public static long getLoopbackTxPackets();













    field public static final int TAG_SYSTEM_DHCP = -192; // 0xffffff40













    field public static final int TAG_SYSTEM_DHCP_SERVER = -186; // 0xffffff46













    field public static final int TAG_SYSTEM_PROBE = -190; // 0xffffff42















  }































}

































core/java/android/net/SntpClient.java



+4
−1




























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@@ -20,6 +20,8 @@ import android.annotation.UnsupportedAppUsage;













import android.os.SystemClock;















import android.util.Log;





























import com.android.internal.util.TrafficStatsConstants;





























import java.net.DatagramPacket;















import java.net.DatagramSocket;















import java.net.InetAddress;










@@ -99,7 +101,8 @@ public class SntpClient {





























    public boolean requestTime(InetAddress address, int port, int timeout, Network network) {















        DatagramSocket socket = null;













        final int oldTag = TrafficStats.getAndSetThreadStatsTag(TrafficStats.TAG_SYSTEM_NTP);













        final int oldTag = TrafficStats.getAndSetThreadStatsTag(













                TrafficStatsConstants.TAG_SYSTEM_NTP);















        try {















            socket = new DatagramSocket();















            network.bindSocket(socket);

































core/java/android/net/TrafficStats.java



+37
−18




























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@@ -89,6 +89,42 @@ public class TrafficStats {













     */















    public static final int UID_TETHERING = -5;





























    /**













     * Tag values in this range are reserved for the network stack. The network stack is













     * running as UID {@link android.os.Process.NETWORK_STACK_UID} when in the mainline













     * module separate process, and as the system UID otherwise.













     */













    /** @hide */













    @SystemApi













    public static final int TAG_NETWORK_STACK_RANGE_START = 0xFFFFFD00;













    /** @hide */













    @SystemApi













    public static final int TAG_NETWORK_STACK_RANGE_END = 0xFFFFFEFF;



























    /**













     * Tags between 0xFFFFFF00 and 0xFFFFFFFF are reserved and used internally by system services













     * like DownloadManager when performing traffic on behalf of an application.













     */













    // Please note there is no enforcement of these constants, so do not rely on them to













    // determine that the caller is a system caller.













    /** @hide */













    @SystemApi













    public static final int TAG_SYSTEM_IMPERSONATION_RANGE_START = 0xFFFFFF00;













    /** @hide */













    @SystemApi













    public static final int TAG_SYSTEM_IMPERSONATION_RANGE_END = 0xFFFFFF0F;



























    /**













     * Tag values between these ranges are reserved for the network stack to do traffic













     * on behalf of applications. It is a subrange of the range above.













     */













    /** @hide */













    @SystemApi













    public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_START = 0xFFFFFF80;













    /** @hide */













    @SystemApi













    public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_END = 0xFFFFFF8F;





























    /**















     * Default tag value for {@link DownloadManager} traffic.















     *










@@ -127,26 +163,9 @@ public class TrafficStats {













     */















    public static final int TAG_SYSTEM_APP = 0xFFFFFF05;





























    // TODO : remove this constant when Wifi code is updated















    /** @hide */













    @SystemApi













    @TestApi













    public static final int TAG_SYSTEM_DHCP = 0xFFFFFF40;













    /** @hide */













    public static final int TAG_SYSTEM_NTP = 0xFFFFFF41;













    /** @hide */













    @SystemApi













    @TestApi















    public static final int TAG_SYSTEM_PROBE = 0xFFFFFF42;













    /** @hide */













    public static final int TAG_SYSTEM_NEIGHBOR = 0xFFFFFF43;













    /** @hide */













    public static final int TAG_SYSTEM_GPS = 0xFFFFFF44;













    /** @hide */













    public static final int TAG_SYSTEM_PAC = 0xFFFFFF45;













    /** @hide */













    @SystemApi













    @TestApi













    public static final int TAG_SYSTEM_DHCP_SERVER = 0xFFFFFF46;































    private static INetworkStatsService sStatsService;