Examples with LinkProperties android.net.LinkProperties used on opensource projects

Example 86 with LinkProperties

use of android.net.LinkProperties in project android_frameworks_base by DirtyUnicorns.

the class IpReachabilityMonitor method updateLinkProperties.

public void updateLinkProperties(LinkProperties lp) {
    if (!mInterfaceName.equals(lp.getInterfaceName())) {
        // TODO: figure out whether / how to cope with interface changes.
        Log.wtf(TAG, "requested LinkProperties interface '" + lp.getInterfaceName() + "' does not match: " + mInterfaceName);
        return;
    }
    synchronized (mLock) {
        mLinkProperties = new LinkProperties(lp);
        Map<InetAddress, Short> newIpWatchList = new HashMap<>();
        final List<RouteInfo> routes = mLinkProperties.getRoutes();
        for (RouteInfo route : routes) {
            if (route.hasGateway()) {
                InetAddress gw = route.getGateway();
                if (isOnLink(routes, gw)) {
                    newIpWatchList.put(gw, getNeighborStateLocked(gw));
                }
            }
        }
        for (InetAddress nameserver : lp.getDnsServers()) {
            if (isOnLink(routes, nameserver)) {
                newIpWatchList.put(nameserver, getNeighborStateLocked(nameserver));
            }
        }
        mIpWatchList = newIpWatchList;
        mIpWatchListVersion++;
    }
    if (DBG) {
        Log.d(TAG, "watch: " + describeWatchList());
    }
}

Example 87 with LinkProperties

use of android.net.LinkProperties in project android_frameworks_base by DirtyUnicorns.

the class IpReachabilityMonitor method handleNeighborLost.

private void handleNeighborLost(String msg) {
    InetAddress ip = null;
    final ProvisioningChange delta;
    synchronized (mLock) {
        LinkProperties whatIfLp = new LinkProperties(mLinkProperties);
        for (Map.Entry<InetAddress, Short> entry : mIpWatchList.entrySet()) {
            if (entry.getValue() != StructNdMsg.NUD_FAILED) {
                continue;
            }
            ip = entry.getKey();
            for (RouteInfo route : mLinkProperties.getRoutes()) {
                if (ip.equals(route.getGateway())) {
                    whatIfLp.removeRoute(route);
                }
            }
            if (avoidingBadLinks() || !(ip instanceof Inet6Address)) {
                // We should do this unconditionally, but alas we cannot: b/31827713.
                whatIfLp.removeDnsServer(ip);
            }
        }
        delta = LinkProperties.compareProvisioning(mLinkProperties, whatIfLp);
    }
    if (delta == ProvisioningChange.LOST_PROVISIONING) {
        final String logMsg = "FAILURE: LOST_PROVISIONING, " + msg;
        Log.w(TAG, logMsg);
        if (mCallback != null) {
            // TODO: remove |ip| when the callback signature no longer has
            // an InetAddress argument.
            mCallback.notifyLost(ip, logMsg);
        }
    }
    logNudFailed(delta);
}

Example 88 with LinkProperties

use of android.net.LinkProperties in project android_frameworks_base by DirtyUnicorns.

the class IpManager method handleLinkPropertiesUpdate.

// Returns false if we have lost provisioning, true otherwise.
private boolean handleLinkPropertiesUpdate(boolean sendCallbacks) {
    final LinkProperties newLp = assembleLinkProperties();
    if (linkPropertiesUnchanged(newLp)) {
        return true;
    }
    final ProvisioningChange delta = setLinkProperties(newLp);
    if (sendCallbacks) {
        dispatchCallback(delta, newLp);
    }
    return (delta != ProvisioningChange.LOST_PROVISIONING);
}

Example 89 with LinkProperties

use of android.net.LinkProperties in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method updateLinkProperties.

private void updateLinkProperties(NetworkAgentInfo networkAgent, LinkProperties oldLp) {
    LinkProperties newLp = networkAgent.linkProperties;
    int netId = networkAgent.network.netId;
    // we do anything else, make sure its LinkProperties are accurate.
    if (networkAgent.clatd != null) {
        networkAgent.clatd.fixupLinkProperties(oldLp);
    }
    updateInterfaces(newLp, oldLp, netId);
    updateMtu(newLp, oldLp);
    // TODO - figure out what to do for clat
    //        for (LinkProperties lp : newLp.getStackedLinks()) {
    //            updateMtu(lp, null);
    //        }
    updateTcpBufferSizes(networkAgent);
    updateRoutes(newLp, oldLp, netId);
    updateDnses(newLp, oldLp, netId);
    updateClat(newLp, oldLp, networkAgent);
    if (isDefaultNetwork(networkAgent)) {
        handleApplyDefaultProxy(newLp.getHttpProxy());
    } else {
        updateProxy(newLp, oldLp, networkAgent);
    }
    // TODO - move this check to cover the whole function
    if (!Objects.equals(newLp, oldLp)) {
        notifyIfacesChangedForNetworkStats();
        notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_IP_CHANGED);
    }
    mKeepaliveTracker.handleCheckKeepalivesStillValid(networkAgent);
}

Example 90 with LinkProperties

use of android.net.LinkProperties in project android_frameworks_base by DirtyUnicorns.

the class ConnectivityService method requestRouteToHostAddress.

/**
     * Ensure that a network route exists to deliver traffic to the specified
     * host via the specified network interface.
     * @param networkType the type of the network over which traffic to the
     * specified host is to be routed
     * @param hostAddress the IP address of the host to which the route is
     * desired
     * @return {@code true} on success, {@code false} on failure
     */
@Override
public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) {
    enforceChangePermission();
    if (mProtectedNetworks.contains(networkType)) {
        enforceConnectivityInternalPermission();
    }
    InetAddress addr;
    try {
        addr = InetAddress.getByAddress(hostAddress);
    } catch (UnknownHostException e) {
        if (DBG)
            log("requestRouteToHostAddress got " + e.toString());
        return false;
    }
    if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
        if (DBG)
            log("requestRouteToHostAddress on invalid network: " + networkType);
        return false;
    }
    NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
    if (nai == null) {
        if (mLegacyTypeTracker.isTypeSupported(networkType) == false) {
            if (DBG)
                log("requestRouteToHostAddress on unsupported network: " + networkType);
        } else {
            if (DBG)
                log("requestRouteToHostAddress on down network: " + networkType);
        }
        return false;
    }
    DetailedState netState;
    synchronized (nai) {
        netState = nai.networkInfo.getDetailedState();
    }
    if (netState != DetailedState.CONNECTED && netState != DetailedState.CAPTIVE_PORTAL_CHECK) {
        if (VDBG) {
            log("requestRouteToHostAddress on down network " + "(" + networkType + ") - dropped" + " netState=" + netState);
        }
        return false;
    }
    final int uid = Binder.getCallingUid();
    final long token = Binder.clearCallingIdentity();
    try {
        LinkProperties lp;
        int netId;
        synchronized (nai) {
            lp = nai.linkProperties;
            netId = nai.network.netId;
        }
        boolean ok = addLegacyRouteToHost(lp, addr, netId, uid);
        if (DBG)
            log("requestRouteToHostAddress ok=" + ok);
        return ok;
    } finally {
        Binder.restoreCallingIdentity(token);
    }
}