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Commit 09c4d6d7 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
Browse files

Merge "Guard against missing mac addresses in onWakeupEvent" into udc-dev am:... 

Merge "Guard against missing mac addresses in onWakeupEvent" into udc-dev am: 34f6424c am: 5dfbbf34 am: b091b4cd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22880033



Change-Id: I4dcaf115ddb2a66a5f5909656bd8dceb96ef6965
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents a2e003b1 b091b4cd

core/java/android/net/metrics/WakeupStats.java

+14 −12
Original line number Diff line number Diff line
@@ -80,6 +80,7 @@ public class WakeupStats { 
                break;

        }



        if (ev.dstHwAddr != null) {

            switch (ev.dstHwAddr.getAddressType()) {

                case MacAddress.TYPE_UNICAST:

                    l2UnicastCount++;
@@ -93,6 +94,7 @@ public class WakeupStats { 
                default:

                    break;

            }

        }



        increment(ethertypes, ev.ethertype);

        if (ev.ipNextHeader >= 0) {

services/core/java/com/android/server/connectivity/NetdEventListenerService.java

+18 −5
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ import android.util.SparseArray; 


import com.android.internal.annotations.GuardedBy;

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.util.ArrayUtils;

import com.android.internal.util.BitUtils;

import com.android.internal.util.FrameworkStatsLog;

import com.android.internal.util.RingBuffer;
@@ -278,6 +279,11 @@ public class NetdEventListenerService extends BaseNetdEventListener { 
        }

    }



    private boolean hasWifiTransport(Network network) {

        final NetworkCapabilities nc = mCm.getNetworkCapabilities(network);

        return nc.hasTransport(NetworkCapabilities.TRANSPORT_WIFI);

    }



    @Override

    public synchronized void onWakeupEvent(String prefix, int uid, int ethertype, int ipNextHeader,

            byte[] dstHw, String srcIp, String dstIp, int srcPort, int dstPort, long timestampNs) {
@@ -286,12 +292,21 @@ public class NetdEventListenerService extends BaseNetdEventListener { 
            throw new IllegalArgumentException("Prefix " + prefix

                    + " required in format <nethandle>:<interface>");

        }

        final long netHandle = Long.parseLong(prefixParts[0]);

        final Network network = Network.fromNetworkHandle(netHandle);



        final WakeupEvent event = new WakeupEvent();

        event.iface = prefixParts[1];

        event.uid = uid;

        event.ethertype = ethertype;

        if (ArrayUtils.isEmpty(dstHw)) {

            if (hasWifiTransport(network)) {

                Log.e(TAG, "Empty mac address on WiFi transport, network: " + network);

            }

            event.dstHwAddr = null;

        } else {

            event.dstHwAddr = MacAddress.fromBytes(dstHw);

        }

        event.srcIp = srcIp;

        event.dstIp = dstIp;

        event.ipNextHeader = ipNextHeader;
@@ -306,14 +321,12 @@ public class NetdEventListenerService extends BaseNetdEventListener { 


        final BatteryStatsInternal bsi = LocalServices.getService(BatteryStatsInternal.class);

        if (bsi != null) {

            final long netHandle = Long.parseLong(prefixParts[0]);

            final long elapsedMs = SystemClock.elapsedRealtime() + event.timestampMs

                    - System.currentTimeMillis();

            bsi.noteCpuWakingNetworkPacket(Network.fromNetworkHandle(netHandle), elapsedMs,

                    event.uid);

            bsi.noteCpuWakingNetworkPacket(network, elapsedMs, event.uid);

        }



        final String dstMac = event.dstHwAddr.toString();

        final String dstMac = String.valueOf(event.dstHwAddr);

        FrameworkStatsLog.write(FrameworkStatsLog.PACKET_WAKEUP_OCCURRED,

                uid, event.iface, ethertype, dstMac, srcIp, dstIp, ipNextHeader, srcPort, dstPort);

    }