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

Example 16 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ResurrectionRemix.

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 17 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ResurrectionRemix.

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 18 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ResurrectionRemix.

the class LinkPropertiesTest method testIsReachable.

@SmallTest
// Failing.
@Suppress
public void testIsReachable() {
    final LinkProperties v4lp = new LinkProperties();
    assertFalse(v4lp.isReachable(DNS1));
    assertFalse(v4lp.isReachable(DNS2));
    // Add an on-link route, making the on-link DNS server reachable,
    // but there is still no IPv4 address.
    assertTrue(v4lp.addRoute(new RouteInfo(new IpPrefix(NetworkUtils.numericToInetAddress("75.208.0.0"), 16))));
    assertFalse(v4lp.isReachable(DNS1));
    assertFalse(v4lp.isReachable(DNS2));
    // Adding an IPv4 address (right now, any IPv4 address) means we use
    // the routes to compute likely reachability.
    assertTrue(v4lp.addLinkAddress(new LinkAddress(ADDRV4, 16)));
    assertTrue(v4lp.isReachable(DNS1));
    assertFalse(v4lp.isReachable(DNS2));
    // Adding a default route makes the off-link DNS server reachable.
    assertTrue(v4lp.addRoute(new RouteInfo(GATEWAY1)));
    assertTrue(v4lp.isReachable(DNS1));
    assertTrue(v4lp.isReachable(DNS2));
    final LinkProperties v6lp = new LinkProperties();
    final InetAddress kLinkLocalDns = NetworkUtils.numericToInetAddress("fe80::6:1");
    final InetAddress kLinkLocalDnsWithScope = NetworkUtils.numericToInetAddress("fe80::6:2%43");
    final InetAddress kOnLinkDns = NetworkUtils.numericToInetAddress("2001:db8:85a3::53");
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertFalse(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertFalse(v6lp.isReachable(kOnLinkDns));
    assertFalse(v6lp.isReachable(DNS6));
    // Add a link-local route, making the link-local DNS servers reachable. Because
    // we assume the presence of an IPv6 link-local address, link-local DNS servers
    // are considered reachable, but only those with a non-zero scope identifier.
    assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(NetworkUtils.numericToInetAddress("fe80::"), 64))));
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertFalse(v6lp.isReachable(kOnLinkDns));
    assertFalse(v6lp.isReachable(DNS6));
    // Add a link-local address--nothing changes.
    assertTrue(v6lp.addLinkAddress(LINKADDRV6LINKLOCAL));
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertFalse(v6lp.isReachable(kOnLinkDns));
    assertFalse(v6lp.isReachable(DNS6));
    // Add a global route on link, but no global address yet. DNS servers reachable
    // via a route that doesn't require a gateway: give them the benefit of the
    // doubt and hope the link-local source address suffices for communication.
    assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(NetworkUtils.numericToInetAddress("2001:db8:85a3::"), 64))));
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertTrue(v6lp.isReachable(kOnLinkDns));
    assertFalse(v6lp.isReachable(DNS6));
    // Add a global address; the on-link global address DNS server is (still)
    // presumed reachable.
    assertTrue(v6lp.addLinkAddress(new LinkAddress(ADDRV6, 64)));
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertTrue(v6lp.isReachable(kOnLinkDns));
    assertFalse(v6lp.isReachable(DNS6));
    // Adding a default route makes the off-link DNS server reachable.
    assertTrue(v6lp.addRoute(new RouteInfo(GATEWAY62)));
    assertFalse(v6lp.isReachable(kLinkLocalDns));
    assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
    assertTrue(v6lp.isReachable(kOnLinkDns));
    assertTrue(v6lp.isReachable(DNS6));
    // Check isReachable on stacked links. This requires that the source IP address be assigned
    // on the interface returned by the route lookup.
    LinkProperties stacked = new LinkProperties();
    // Can't add a stacked link without an interface name.
    stacked.setInterfaceName("v4-test0");
    v6lp.addStackedLink(stacked);
    InetAddress stackedAddress = Address("192.0.0.4");
    LinkAddress stackedLinkAddress = new LinkAddress(stackedAddress, 32);
    assertFalse(v6lp.isReachable(stackedAddress));
    stacked.addLinkAddress(stackedLinkAddress);
    assertFalse(v6lp.isReachable(stackedAddress));
    stacked.addRoute(new RouteInfo(stackedLinkAddress));
    assertTrue(stacked.isReachable(stackedAddress));
    assertTrue(v6lp.isReachable(stackedAddress));
    assertFalse(v6lp.isReachable(DNS1));
    stacked.addRoute(new RouteInfo((IpPrefix) null, stackedAddress));
    assertTrue(v6lp.isReachable(DNS1));
}

Example 19 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ResurrectionRemix.

the class LinkPropertiesTest method testIsProvisioned.

@SmallTest
public void testIsProvisioned() {
    LinkProperties lp4 = new LinkProperties();
    assertFalse("v4only:empty", lp4.isProvisioned());
    lp4.addLinkAddress(LINKADDRV4);
    assertFalse("v4only:addr-only", lp4.isProvisioned());
    lp4.addDnsServer(DNS1);
    assertFalse("v4only:addr+dns", lp4.isProvisioned());
    lp4.addRoute(new RouteInfo(GATEWAY1));
    assertTrue("v4only:addr+dns+route", lp4.isProvisioned());
    assertTrue("v4only:addr+dns+route", lp4.isIPv4Provisioned());
    assertFalse("v4only:addr+dns+route", lp4.isIPv6Provisioned());
    LinkProperties lp6 = new LinkProperties();
    assertFalse("v6only:empty", lp6.isProvisioned());
    lp6.addLinkAddress(LINKADDRV6LINKLOCAL);
    assertFalse("v6only:fe80-only", lp6.isProvisioned());
    lp6.addDnsServer(DNS6);
    assertFalse("v6only:fe80+dns", lp6.isProvisioned());
    lp6.addRoute(new RouteInfo(GATEWAY61));
    assertFalse("v6only:fe80+dns+route", lp6.isProvisioned());
    lp6.addLinkAddress(LINKADDRV6);
    assertTrue("v6only:fe80+global+dns+route", lp6.isIPv6Provisioned());
    assertTrue("v6only:fe80+global+dns+route", lp6.isProvisioned());
    lp6.removeLinkAddress(LINKADDRV6LINKLOCAL);
    assertFalse("v6only:global+dns+route", lp6.isIPv4Provisioned());
    assertTrue("v6only:global+dns+route", lp6.isIPv6Provisioned());
    assertTrue("v6only:global+dns+route", lp6.isProvisioned());
    LinkProperties lp46 = new LinkProperties();
    lp46.addLinkAddress(LINKADDRV4);
    lp46.addLinkAddress(LINKADDRV6);
    lp46.addDnsServer(DNS1);
    lp46.addDnsServer(DNS6);
    assertFalse("dualstack:missing-routes", lp46.isProvisioned());
    lp46.addRoute(new RouteInfo(GATEWAY1));
    assertTrue("dualstack:v4-provisioned", lp46.isIPv4Provisioned());
    assertFalse("dualstack:v4-provisioned", lp46.isIPv6Provisioned());
    assertTrue("dualstack:v4-provisioned", lp46.isProvisioned());
    lp46.addRoute(new RouteInfo(GATEWAY61));
    assertTrue("dualstack:both-provisioned", lp46.isIPv4Provisioned());
    assertTrue("dualstack:both-provisioned", lp46.isIPv6Provisioned());
    assertTrue("dualstack:both-provisioned", lp46.isProvisioned());
    // A link with an IPv6 address and default route, but IPv4 DNS server.
    LinkProperties mixed = new LinkProperties();
    mixed.addLinkAddress(LINKADDRV6);
    mixed.addDnsServer(DNS1);
    mixed.addRoute(new RouteInfo(GATEWAY61));
    assertFalse("mixed:addr6+route6+dns4", mixed.isIPv4Provisioned());
    assertFalse("mixed:addr6+route6+dns4", mixed.isIPv6Provisioned());
    assertFalse("mixed:addr6+route6+dns4", mixed.isProvisioned());
}

Example 20 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ResurrectionRemix.

the class VpnConfig method addLegacyRoutes.

public void addLegacyRoutes(String routesStr) {
    if (routesStr.trim().equals("")) {
        return;
    }
    String[] routes = routesStr.trim().split(" ");
    for (String route : routes) {
        //each route is ip/prefix
        RouteInfo info = new RouteInfo(new IpPrefix(route), null);
        this.routes.add(info);
        updateAllowedFamilies(info.getDestination().getAddress());
    }
}