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Commit 6b028cf7 authored by Jack Yu's avatar Jack Yu Committed by Gerrit Code Review
Browse files

Merge "Added duplicate interface detection"

parents 8806888a 5e0947c7

src/java/com/android/internal/telephony/dataconnection/DcNetworkAgent.java

+25 −26
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ import android.telephony.AccessNetworkConstants; 
import android.telephony.AccessNetworkConstants.TransportType;

import android.telephony.AnomalyReporter;

import android.telephony.TelephonyManager;

import android.text.TextUtils;

import android.util.LocalLog;

import android.util.SparseArray;
@@ -45,8 +46,8 @@ import com.android.telephony.Rlog; 
import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.time.Duration;

import java.util.ArrayList;

import java.util.List;

import java.util.HashSet;

import java.util.Set;

import java.util.UUID;



/**
@@ -76,10 +77,8 @@ public class DcNetworkAgent extends NetworkAgent { 


    private NetworkInfo mNetworkInfo;



    // For debugging IMS redundant network agent issue.

    private static List<DcNetworkAgent> sNetworkAgents = new ArrayList<>();



    private static int sRedundantTimes = 0;

    // For debugging duplicate interface issue. Remove before R released.

    private static Set<String> sInterfaceNames = new HashSet<>();



    DcNetworkAgent(DataConnection dc, Phone phone, NetworkInfo ni, int score,

            NetworkAgentConfig config, NetworkProvider networkProvider, int transportType) {
@@ -94,29 +93,26 @@ public class DcNetworkAgent extends NetworkAgent { 
        mDataConnection = dc;

        mNetworkInfo = new NetworkInfo(ni);

        setLegacyExtraInfo(ni.getExtraInfo());

        // TODO: Remove after b/151487565 is fixed.

        sNetworkAgents.add(this);

        checkRedundantIms();

        // TODO: Remove before R is released.

        if (dc.getLinkProperties() != null

                && !TextUtils.isEmpty(dc.getLinkProperties().getInterfaceName())) {

            checkDuplicateInterface(dc.getLinkProperties().getInterfaceName());

        }

        logd(mTag + " created for data connection " + dc.getName());

    }



    // This is a temp code to catch the multiple IMS network agents issue.

    // TODO: Remove after b/151487565 is fixed.

    private void checkRedundantIms() {

        if (sNetworkAgents.stream()

                .filter(n -> n.mNetworkCapabilities.hasCapability(

                        NetworkCapabilities.NET_CAPABILITY_IMS))

                .count() > 1) {

            sRedundantTimes++;

            if (sRedundantTimes == 5) { // When it occurs 5 times.

                String message = "Multiple IMS network agents detected.";

    // This is a temp code to catch the duplicate network interface issue.

    // TODO: Remove before R is released.

    private void checkDuplicateInterface(String interfaceName) {

        if (sInterfaceNames.contains(interfaceName)) {

            String message = "Duplicate interface " + interfaceName + " is detected.";

            log(message);

            // Using fixed UUID to avoid duplicate bugreport notification

            AnomalyReporter.reportAnomaly(

                        UUID.fromString("a5cf4881-75ae-4129-a25d-71bc4293f493"),

                    UUID.fromString("02f3d3f6-4613-4415-b6cb-8d92c8a938a6"),

                    message);

        }

        }

        sInterfaceNames.add(interfaceName);

    }



    /**
@@ -292,8 +288,11 @@ public class DcNetworkAgent extends NetworkAgent { 
        }

        if ((oldState == NetworkInfo.State.SUSPENDED || oldState == NetworkInfo.State.CONNECTED)

                && state == NetworkInfo.State.DISCONNECTED) {

            if (dc.getLinkProperties() != null

                    && !TextUtils.isEmpty(dc.getLinkProperties().getInterfaceName())) {

                sInterfaceNames.remove(dc.getLinkProperties().getInterfaceName());

            }

            logd("Unregister from connectivity service");

            sNetworkAgents.remove(this);

            unregister();

        }

        mNetworkInfo = new NetworkInfo(networkInfo);