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
Merged-In: I4882686a86e7c6d42f4b0619b921d02619ed6d4c
Merged-In: I9b648ed6c687d56db61a54570c7880c51c1bae51
diff --git a/core/java/android/net/TrafficStats.java b/core/java/android/net/TrafficStats.java
index 49c6f74..4332d8a 100644
--- a/core/java/android/net/TrafficStats.java
+++ b/core/java/android/net/TrafficStats.java
@@ -90,6 +90,42 @@
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.
*
* @hide
@@ -127,26 +163,9 @@
*/
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;