Use getAllInterfaceNames to get all interface names
The current design is using hidden API - getStackedLinks() to
get LinkProperties then call getInterfaceName() to get the
interface name. In fact, this behavior could be replaced by
system API - getAllInterfaceNames().
Bug: 182963397
Test: atest FrameworksNetTests
Test: atest CtsNetTestCases
Change-Id: Id2b19dc5099355af69d23a6d99d2b7e6c0e1e88a
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 350563f..d649925 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -178,7 +178,6 @@
import android.net.INetworkPolicyListener;
import android.net.INetworkPolicyManager;
import android.net.INetworkStatsService;
-import android.net.LinkProperties;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkIdentity;
@@ -1919,16 +1918,7 @@
* Collect all ifaces from a {@link NetworkStateSnapshot} into the given set.
*/
private static void collectIfaces(ArraySet<String> ifaces, NetworkStateSnapshot snapshot) {
- final String baseIface = snapshot.linkProperties.getInterfaceName();
- if (baseIface != null) {
- ifaces.add(baseIface);
- }
- for (LinkProperties stackedLink : snapshot.linkProperties.getStackedLinks()) {
- final String stackedIface = stackedLink.getInterfaceName();
- if (stackedIface != null) {
- ifaces.add(stackedIface);
- }
- }
+ ifaces.addAll(snapshot.linkProperties.getAllInterfaceNames());
}
/**
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 7b376847..fe43c31 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -92,7 +92,6 @@
import android.net.INetworkManagementEventObserver;
import android.net.INetworkStatsService;
import android.net.INetworkStatsSession;
-import android.net.LinkProperties;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkIdentity;
@@ -131,6 +130,7 @@
import android.service.NetworkStatsServiceDumpProto;
import android.telephony.PhoneStateListener;
import android.telephony.SubscriptionPlan;
+import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.ArrayMap;
import android.util.ArraySet;
@@ -1358,17 +1358,18 @@
// (or non eBPF offloaded) TX they would appear on both, however egress interface
// accounting is explicitly bypassed for traffic from the clat uid.
//
- final List<LinkProperties> stackedLinks = snapshot.linkProperties.getStackedLinks();
- for (LinkProperties stackedLink : stackedLinks) {
- final String stackedIface = stackedLink.getInterfaceName();
- if (stackedIface != null) {
- findOrCreateNetworkIdentitySet(mActiveIfaces, stackedIface).add(ident);
- findOrCreateNetworkIdentitySet(mActiveUidIfaces, stackedIface).add(ident);
+ // TODO: This code might be combined to above code.
+ for (String iface : snapshot.linkProperties.getAllInterfaceNames()) {
+ // baseIface has been handled, so ignore it.
+ if (TextUtils.equals(baseIface, iface)) continue;
+ if (iface != null) {
+ findOrCreateNetworkIdentitySet(mActiveIfaces, iface).add(ident);
+ findOrCreateNetworkIdentitySet(mActiveUidIfaces, iface).add(ident);
if (isMobile) {
- mobileIfaces.add(stackedIface);
+ mobileIfaces.add(iface);
}
- mStatsFactory.noteStackedIface(stackedIface, baseIface);
+ mStatsFactory.noteStackedIface(iface, baseIface);
}
}
}
