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Commit 1575e5d3 authored by xshu's avatar xshu
Browse files

[MAC rand] Repurpose existing field 

Repurposing an old field to suit the new design of throttling MAC
address changes based on DHCP lease duration.

Bug: 141950243
Test: unit tests
Change-Id: Ide71816895eb088f728105d1f675a6823490423f
parent a55998b5

wifi/java/android/net/wifi/WifiConfiguration.java

+9 −8
Original line number Diff line number Diff line
@@ -1038,10 +1038,10 @@ public class WifiConfiguration implements Parcelable { 


    /**

     * @hide

     * The wall clock time of when |mRandomizedMacAddress| last changed.

     * Used to determine when we should re-randomize in aggressive mode.

     * The wall clock time of when |mRandomizedMacAddress| should be re-randomized in aggressive

     * randomization mode.

     */

    public long randomizedMacLastModifiedTimeMs = 0;

    public long randomizedMacExpirationTimeMs = 0;



    /**

     * @hide
@@ -1902,8 +1902,9 @@ public class WifiConfiguration implements Parcelable { 
        }

        sbuf.append(" macRandomizationSetting: ").append(macRandomizationSetting).append("\n");

        sbuf.append(" mRandomizedMacAddress: ").append(mRandomizedMacAddress).append("\n");

        sbuf.append(" randomizedMacLastModifiedTimeMs: ").append(randomizedMacLastModifiedTimeMs)

                .append("\n");

        sbuf.append(" randomizedMacExpirationTimeMs: ")

                .append(randomizedMacExpirationTimeMs == 0 ? "<none>"

                        : TimeUtils.logTimeOfDay(randomizedMacExpirationTimeMs)).append("\n");

        sbuf.append(" KeyMgmt:");

        for (int k = 0; k < this.allowedKeyManagement.size(); k++) {

            if (this.allowedKeyManagement.get(k)) {
@@ -2429,7 +2430,7 @@ public class WifiConfiguration implements Parcelable { 
            recentFailure.setAssociationStatus(source.recentFailure.getAssociationStatus());

            mRandomizedMacAddress = source.mRandomizedMacAddress;

            macRandomizationSetting = source.macRandomizationSetting;

            randomizedMacLastModifiedTimeMs = source.randomizedMacLastModifiedTimeMs;

            randomizedMacExpirationTimeMs = source.randomizedMacExpirationTimeMs;

            requirePMF = source.requirePMF;

            updateIdentifier = source.updateIdentifier;

        }
@@ -2504,7 +2505,7 @@ public class WifiConfiguration implements Parcelable { 
        dest.writeParcelable(mRandomizedMacAddress, flags);

        dest.writeInt(macRandomizationSetting);

        dest.writeInt(osu ? 1 : 0);

        dest.writeLong(randomizedMacLastModifiedTimeMs);

        dest.writeLong(randomizedMacExpirationTimeMs);

    }



    /** Implement the Parcelable interface {@hide} */
@@ -2579,7 +2580,7 @@ public class WifiConfiguration implements Parcelable { 
                config.mRandomizedMacAddress = in.readParcelable(null);

                config.macRandomizationSetting = in.readInt();

                config.osu = in.readInt() != 0;

                config.randomizedMacLastModifiedTimeMs = in.readLong();

                config.randomizedMacExpirationTimeMs = in.readLong();

                return config;

            }