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
This commit is contained in:
lucaslin
2021-03-19 23:08:33 +08:00
parent f16d4995f4
commit 4249f3b868

View File

@@ -92,7 +92,6 @@ import android.net.DataUsageRequest;
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.NetworkInterfaceProto;
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 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
// (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);
}
}
}