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Commit 03595d01 authored by Robert Greenwalt's avatar Robert Greenwalt
Browse files

Tell each VM to flush their DNS cache. 

bug:3095357
Change-Id: I93de24e3e5a7d8b94d55f4facfffc863a2b8c202
parent b52907f6

core/java/android/app/ActivityThread.java

+6 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ import java.io.FileOutputStream; 
import java.io.IOException;

import java.io.PrintWriter;

import java.lang.ref.WeakReference;

import java.net.InetAddress;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;
@@ -585,6 +586,11 @@ public final class ActivityThread { 
            TimeZone.setDefault(null);

        }



        public void clearDnsCache() {

            // a non-standard API to get this to libcore

            InetAddress.clearDnsCache();

        }



        public void processInBackground() {

            mH.removeMessages(H.GC_WHEN_IDLE);

            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));

core/java/android/app/ApplicationThreadNative.java

+14 −1
Original line number Diff line number Diff line
@@ -291,6 +291,12 @@ public abstract class ApplicationThreadNative extends Binder 
            return true;

        }



        case CLEAR_DNS_CACHE_TRANSACTION: {

            data.enforceInterface(IApplicationThread.descriptor);

            clearDnsCache();

            return true;

        }



        case PROCESS_IN_BACKGROUND_TRANSACTION: {

            data.enforceInterface(IApplicationThread.descriptor);

            processInBackground();
@@ -744,6 +750,14 @@ class ApplicationThreadProxy implements IApplicationThread { 
        data.recycle();

    }



    public void clearDnsCache() throws RemoteException {

        Parcel data = Parcel.obtain();

        data.writeInterfaceToken(IApplicationThread.descriptor);

        mRemote.transact(CLEAR_DNS_CACHE_TRANSACTION, data, null,

                IBinder.FLAG_ONEWAY);

        data.recycle();

    }



    public void processInBackground() throws RemoteException {

        Parcel data = Parcel.obtain();

        data.writeInterfaceToken(IApplicationThread.descriptor);
@@ -884,4 +898,3 @@ class ApplicationThreadProxy implements IApplicationThread { 
        data.recycle();

    }

}

core/java/android/app/IApplicationThread.java

+2 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ public interface IApplicationThread extends IInterface { 
    void requestThumbnail(IBinder token) throws RemoteException;

    void scheduleConfigurationChanged(Configuration config) throws RemoteException;

    void updateTimeZone() throws RemoteException;

    void clearDnsCache() throws RemoteException;

    void processInBackground() throws RemoteException;

    void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args)

            throws RemoteException;
@@ -146,4 +147,5 @@ public interface IApplicationThread extends IInterface { 
    int SCHEDULE_CRASH_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+34;

    int DUMP_HEAP_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+35;

    int DUMP_ACTIVITY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+36;

    int CLEAR_DNS_CACHE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+37;

}

core/java/android/content/Intent.java

+7 −0
Original line number Diff line number Diff line
@@ -1222,6 +1222,13 @@ public class Intent implements Parcelable, Cloneable { 
     */

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_TIMEZONE_CHANGED = "android.intent.action.TIMEZONE_CHANGED";

    /**

     * Clear DNS Cache Action: This is broadcast when networks have changed and old

     * DNS entries should be tossed.

     * @hide

     */

    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_CLEAR_DNS_CACHE = "android.intent.action.CLEAR_DNS_CACHE";

    /**

     * Alarm Changed Action: This is broadcast when the AlarmClock

     * application's alarm is set or unset.  It is used by the

core/res/AndroidManifest.xml

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ 
    <protected-broadcast android:name="android.nfc.action.TAG_DISCOVERED" />

    <protected-broadcast android:name="android.nfc.action.LLCP_LINK_STATE_CHANGED" />

    <protected-broadcast android:name="android.nfc.action.TRANSACTION_DETECTED" />

    <protected-broadcast android:name="android.intent.action.CLEAR_DNS_CACHE" />



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