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Commit 7e8c455f authored by Remi NGUYEN VAN's avatar Remi NGUYEN VAN Committed by Automerger Merge Worker
Browse files

Merge "Get link state with same lock as LinkProperties" into rvc-dev am: 2ad382e0 

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/11970037

Change-Id: I37667b450d77beca0856ffc0beb18ba72b022208
parents 2a6dd04e 2ad382e0

src/android/net/ip/IpClientLinkObserver.java

+32 −16
Original line number Diff line number Diff line
@@ -155,8 +155,12 @@ public class IpClientLinkObserver implements NetworkObserver { 
            // now empty. Note that from the moment that the interface is removed, any further

            // interface-specific messages (e.g., RTM_DELADDR) will not reach us, because the netd

            // code that parses them will not be able to resolve the ifindex to an interface name.

            final boolean linkState;

            synchronized (this) {

                clearLinkProperties();

            mCallback.update(getInterfaceLinkState());

                linkState = getInterfaceLinkStateLocked();

            }

            mCallback.update(linkState);

        }

    }
@@ -164,7 +168,9 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onInterfaceLinkStateChanged(String iface, boolean state) {

        if (mInterfaceName.equals(iface)) {

            maybeLog("interfaceLinkStateChanged", iface + (state ? " up" : " down"));

            setInterfaceLinkState(state);

            synchronized (this) {

                setInterfaceLinkStateLocked(state);

            }

        }

    }
@@ -172,12 +178,14 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onInterfaceAddressUpdated(LinkAddress address, String iface) {

        if (mInterfaceName.equals(iface)) {

            maybeLog("addressUpdated", iface, address);

            boolean changed;

            final boolean changed;

            final boolean linkState;

            synchronized (this) {

                changed = mLinkProperties.addLinkAddress(address);

                linkState = getInterfaceLinkStateLocked();

            }

            if (changed) {

                mCallback.update(getInterfaceLinkState());

                mCallback.update(linkState);

            }

        }

    }
@@ -186,12 +194,14 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onInterfaceAddressRemoved(LinkAddress address, String iface) {

        if (mInterfaceName.equals(iface)) {

            maybeLog("addressRemoved", iface, address);

            boolean changed;

            final boolean changed;

            final boolean linkState;

            synchronized (this) {

                changed = mLinkProperties.removeLinkAddress(address);

                linkState = getInterfaceLinkStateLocked();

            }

            if (changed) {

                mCallback.update(getInterfaceLinkState());

                mCallback.update(linkState);

            }

        }

    }
@@ -200,12 +210,14 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onRouteUpdated(RouteInfo route) {

        if (mInterfaceName.equals(route.getInterface())) {

            maybeLog("routeUpdated", route);

            boolean changed;

            final boolean changed;

            final boolean linkState;

            synchronized (this) {

                changed = mLinkProperties.addRoute(route);

                linkState = getInterfaceLinkStateLocked();

            }

            if (changed) {

                mCallback.update(getInterfaceLinkState());

                mCallback.update(linkState);

            }

        }

    }
@@ -214,12 +226,14 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onRouteRemoved(RouteInfo route) {

        if (mInterfaceName.equals(route.getInterface())) {

            maybeLog("routeRemoved", route);

            boolean changed;

            final boolean changed;

            final boolean linkState;

            synchronized (this) {

                changed = mLinkProperties.removeRoute(route);

                linkState = getInterfaceLinkStateLocked();

            }

            if (changed) {

                mCallback.update(getInterfaceLinkState());

                mCallback.update(linkState);

            }

        }

    }
@@ -228,12 +242,14 @@ public class IpClientLinkObserver implements NetworkObserver { 
    public void onInterfaceDnsServerInfo(String iface, long lifetime, String[] addresses) {

        if (mInterfaceName.equals(iface)) {

            maybeLog("interfaceDnsServerInfo", Arrays.toString(addresses));

            boolean changed = mDnsServerRepository.addServers(lifetime, addresses);

            final boolean changed = mDnsServerRepository.addServers(lifetime, addresses);

            final boolean linkState;

            if (changed) {

                synchronized (this) {

                    mDnsServerRepository.setDnsServersOn(mLinkProperties);

                    linkState = getInterfaceLinkStateLocked();

                }

                mCallback.update(getInterfaceLinkState());

                mCallback.update(linkState);

            }

        }

    }
@@ -258,11 +274,11 @@ public class IpClientLinkObserver implements NetworkObserver { 
        mLinkProperties.setInterfaceName(mInterfaceName);

    }



    private synchronized boolean getInterfaceLinkState() {

    private boolean getInterfaceLinkStateLocked() {

        return mInterfaceLinkState;

    }



    private synchronized void setInterfaceLinkState(boolean state) {

    private void setInterfaceLinkStateLocked(boolean state) {

        mInterfaceLinkState = state;

    }
@@ -378,7 +394,7 @@ public class IpClientLinkObserver implements NetworkObserver { 
                cancelPref64Alarm();

            }



            mCallback.update(getInterfaceLinkState());

            mCallback.update(getInterfaceLinkStateLocked());

        }



        private void processPref64Option(StructNdOptPref64 opt, final long now) {