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

Example 26 with IpPrefix

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

the class IPv6TetheringInterfaceServices method updateUpstreamIPv6LinkProperties.

// IPv6TetheringCoordinator sends updates with carefully curated IPv6-only
// LinkProperties. These have extraneous data filtered out and only the
// necessary prefixes included (per its prefix distribution policy).
//
// TODO: Evaluate using a data structure than is more directly suited to
// communicating only the relevant information.
public void updateUpstreamIPv6LinkProperties(LinkProperties v6only) {
    if (mRaDaemon == null)
        return;
    // Avoid unnecessary work on spurious updates.
    if (Objects.equals(mLastIPv6LinkProperties, v6only)) {
        return;
    }
    RaParams params = null;
    if (v6only != null) {
        params = new RaParams();
        params.mtu = v6only.getMtu();
        params.hasDefaultRoute = v6only.hasIPv6DefaultRoute();
        for (LinkAddress linkAddr : v6only.getLinkAddresses()) {
            if (linkAddr.getPrefixLength() != RFC7421_IP_PREFIX_LENGTH)
                continue;
            final IpPrefix prefix = new IpPrefix(linkAddr.getAddress(), linkAddr.getPrefixLength());
            params.prefixes.add(prefix);
            final Inet6Address dnsServer = getLocalDnsIpFor(prefix);
            if (dnsServer != null) {
                params.dnses.add(dnsServer);
            }
        }
    }
    // If v6only is null, we pass in null to setRaParams(), which handles
    // deprecation of any existing RA data.
    setRaParams(params);
    mLastIPv6LinkProperties = v6only;
}

Example 27 with IpPrefix

use of android.net.IpPrefix in project android_frameworks_base by AOSPA.

the class StaticIpConfigurationTest method testToLinkProperties.

@SmallTest
public void testToLinkProperties() {
    LinkProperties expected = new LinkProperties();
    expected.setInterfaceName(IFACE);
    StaticIpConfiguration s = new StaticIpConfiguration();
    assertEquals(expected, s.toLinkProperties(IFACE));
    final RouteInfo connectedRoute = new RouteInfo(new IpPrefix(ADDRSTR), null, IFACE);
    s.ipAddress = ADDR;
    expected.addLinkAddress(ADDR);
    expected.addRoute(connectedRoute);
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.gateway = GATEWAY;
    RouteInfo defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), GATEWAY, IFACE);
    expected.addRoute(defaultRoute);
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.gateway = OFFLINKGATEWAY;
    expected.removeRoute(defaultRoute);
    defaultRoute = new RouteInfo(new IpPrefix("0.0.0.0/0"), OFFLINKGATEWAY, IFACE);
    expected.addRoute(defaultRoute);
    RouteInfo gatewayRoute = new RouteInfo(new IpPrefix("192.0.2.129/32"), null, IFACE);
    expected.addRoute(gatewayRoute);
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.dnsServers.add(DNS1);
    expected.addDnsServer(DNS1);
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.dnsServers.add(DNS2);
    s.dnsServers.add(DNS3);
    expected.addDnsServer(DNS2);
    expected.addDnsServer(DNS3);
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.domains = "google.com";
    expected.setDomains("google.com");
    assertEquals(expected, s.toLinkProperties(IFACE));
    s.gateway = null;
    expected.removeRoute(defaultRoute);
    expected.removeRoute(gatewayRoute);
    assertEquals(expected, s.toLinkProperties(IFACE));
    // Without knowing the IP address, we don't have a directly-connected route, so we can't
    // tell if the gateway is off-link or not and we don't add a host route. This isn't a real
    // configuration, but we should at least not crash.
    s.gateway = OFFLINKGATEWAY;
    s.ipAddress = null;
    expected.removeLinkAddress(ADDR);
    expected.removeRoute(connectedRoute);
    expected.addRoute(defaultRoute);
    assertEquals(expected, s.toLinkProperties(IFACE));
}

Example 28 with IpPrefix

use of android.net.IpPrefix in project android_frameworks_base by AOSPA.

the class IpPrefixTest method testContains.

@SmallTest
public void testContains() {
    IpPrefix p = new IpPrefix("2001:db8:f00::ace:d00d/127");
    assertTrue(p.contains(Address("2001:db8:f00::ace:d00c")));
    assertTrue(p.contains(Address("2001:db8:f00::ace:d00d")));
    assertFalse(p.contains(Address("2001:db8:f00::ace:d00e")));
    assertFalse(p.contains(Address("2001:db8:f00::bad:d00d")));
    assertFalse(p.contains(Address("2001:4868:4860::8888")));
    assertFalse(p.contains(null));
    assertFalse(p.contains(Address("8.8.8.8")));
    p = new IpPrefix("192.0.2.0/23");
    assertTrue(p.contains(Address("192.0.2.43")));
    assertTrue(p.contains(Address("192.0.3.21")));
    assertFalse(p.contains(Address("192.0.0.21")));
    assertFalse(p.contains(Address("8.8.8.8")));
    assertFalse(p.contains(Address("2001:4868:4860::8888")));
    IpPrefix ipv6Default = new IpPrefix("::/0");
    assertTrue(ipv6Default.contains(Address("2001:db8::f00")));
    assertFalse(ipv6Default.contains(Address("192.0.2.1")));
    IpPrefix ipv4Default = new IpPrefix("0.0.0.0/0");
    assertTrue(ipv4Default.contains(Address("255.255.255.255")));
    assertTrue(ipv4Default.contains(Address("192.0.2.1")));
    assertFalse(ipv4Default.contains(Address("2001:db8::f00")));
}

Example 29 with IpPrefix

use of android.net.IpPrefix in project android_frameworks_base by AOSPA.

the class IpPrefixTest method testHashCode.

@SmallTest
public void testHashCode() {
    IpPrefix p;
    int oldCode = -1;
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
        if (random.nextBoolean()) {
            // IPv4.
            byte[] b = new byte[4];
            random.nextBytes(b);
            p = new IpPrefix(b, random.nextInt(33));
            assertNotEqual(oldCode, p.hashCode());
            oldCode = p.hashCode();
        } else {
            // IPv6.
            byte[] b = new byte[16];
            random.nextBytes(b);
            p = new IpPrefix(b, random.nextInt(129));
            assertNotEqual(oldCode, p.hashCode());
            oldCode = p.hashCode();
        }
    }
}

Example 30 with IpPrefix

use of android.net.IpPrefix in project android_frameworks_base by AOSPA.

the class IpPrefixTest method testParceling.

public void testParceling() {
    IpPrefix p;
    p = new IpPrefix("2001:4860:db8::/64");
    assertParcelingIsLossless(p);
    p = new IpPrefix("192.0.2.0/25");
    assertParcelingIsLossless(p);
}