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Commit ad5d93e8 authored by Xiao Ma's avatar Xiao Ma
Browse files

Downgrade Log message level from WTF to WARN for null BSSID case. 

Rarely ScanResultInfo might be null when starting provisioning,
for example, switch between different APs frequently. So when L2
roaming happens the current tracked bssid is null, which throws
WTF log message. Downgrade the Log level to WARN in R before WiFi
framework fixes the null BSSID issue temporarily.

Bug: 160217503
Test: atest NetworkStackTests NetworkStackIntegrationTests

Change-Id: Iec342a2c3c52c64b044c5bc56f565fa31997cd53
parent 6f67521f

apishim/common/com/android/networkstack/apishim/common/ShimUtils.java

+7 −0
Original line number Diff line number Diff line
@@ -49,4 +49,11 @@ public final class ShimUtils { 
    public static boolean isAtLeastR() {

        return isReleaseOrDevelopmentApiAbove(Build.VERSION_CODES.Q);

    }



    /**

     * Check whether the device supports in-development or final S networking APIs.

     */

    public static boolean isAtLeastS() {

        return isReleaseOrDevelopmentApiAbove(Build.VERSION_CODES.R);

    }

}

src/android/net/ip/IpClient.java

+9 −1
Original line number Diff line number Diff line
@@ -1602,8 +1602,16 @@ public class IpClient extends StateMachine { 
        mL2Key = info.l2Key;

        mCluster = info.cluster;



        // Sometimes the wifi code passes in a null BSSID. Don't use Log.wtf in R because

        // it's a known bug that will not be fixed in R.

        if (info.bssid == null || mCurrentBssid == null) {

            Log.wtf(mTag, "bssid in the parcelable or current tracked bssid should be non-null");

            final String msg = "bssid in the parcelable: " + info.bssid + " or "

                    + "current tracked bssid: " + mCurrentBssid + " is null";

            if (ShimUtils.isAtLeastS()) {

                Log.wtf(mTag, msg);

            } else {

                Log.w(mTag, msg);

            }

            return;

        }

tests/integration/src/android/net/ip/IpClientIntegrationTest.java

+8 −1
Original line number Diff line number Diff line
@@ -2103,7 +2103,8 @@ public class IpClientIntegrationTest { 
    private void doDhcpRoamingTest(final boolean hasMismatchedIpAddress, final String displayName,

            final String ssid, final String bssid, final boolean expectRoaming) throws Exception {

        long currentTime = System.currentTimeMillis();

        final ScanResultInfo scanResultInfo = makeScanResultInfo(ssid, bssid);

        final ScanResultInfo scanResultInfo = (ssid == null || bssid == null)

                ? null : makeScanResultInfo(ssid, bssid);



        doAnswer(invocation -> {

            // we don't rely on the Init-Reboot state to renew previous cached IP lease.
@@ -2177,6 +2178,12 @@ public class IpClientIntegrationTest { 
                TEST_DHCP_ROAM_SSID, TEST_DHCP_ROAM_BSSID, false /* expectRoaming */);

    }



    @Test

    public void testDhcpRoaming_nullScanResultInfo() throws Exception {

        doDhcpRoamingTest(false /* hasMismatchedIpAddress */, "\"0001docomo\"" /* display name */,

                null /* SSID */, null /* BSSID */, false /* expectRoaming */);

    }



    @Test

    public void testDhcpRoaming_invalidSsid() throws Exception {

        doDhcpRoamingTest(false /* hasMismatchedIpAddress */, "\"0001docomo\"" /* display name */,