Examples with Inet4Address java.net.Inet4Address used on opensource projects

Example 81 with Inet4Address

use of java.net.Inet4Address in project trex-stateless-gui by cisco-system-traffic-generator.

the class PacketUpdater method updateSrcAddress.

/**
     * Update source IP address
     */
private Packet updateSrcAddress(Packet packet) {
    try {
        if (importedProperties.isSourceEnabled()) {
            Inet4Address modifiedAddress = (Inet4Address) Inet4Address.getByAddress(convertIPToByte(importedProperties.getSrcAddress()));
            Packet.Builder builder = packet.getBuilder();
            if (packet.get(IpV4Packet.class).getHeader().getSrcAddr().getHostAddress().equals(defaultSrcAddress)) {
                builder.get(IpV4Packet.Builder.class).srcAddr(modifiedAddress);
            } else {
                builder.get(IpV4Packet.Builder.class).dstAddr(modifiedAddress);
            }
            packet = builder.build();
        }
    } catch (Exception ex) {
        LOG.error("Error updating source IP", ex);
    }
    return packet;
}

Example 82 with Inet4Address

use of java.net.Inet4Address in project ddf by codice.

the class InetAddressUtil method getFirstNonLoopbackAddress.

/**
     * @param preferIpv4
     * @param preferIPv6
     * @return
     * @throws SocketException
     */
public static InetAddress getFirstNonLoopbackAddress(boolean preferIpv4, boolean preferIPv6) throws SocketException {
    Enumeration en = NetworkInterface.getNetworkInterfaces();
    while (en.hasMoreElements()) {
        NetworkInterface i = (NetworkInterface) en.nextElement();
        Enumeration en2 = i.getInetAddresses();
        while (en2.hasMoreElements()) {
            InetAddress addr = (InetAddress) en2.nextElement();
            if (!addr.isLoopbackAddress()) {
                if (addr instanceof Inet4Address) {
                    if (preferIPv6) {
                        continue;
                    }
                    return addr;
                }
                if (addr instanceof Inet6Address) {
                    if (preferIpv4) {
                        continue;
                    }
                    return addr;
                }
            }
        }
    }
    return null;
}

Example 83 with Inet4Address

use of java.net.Inet4Address in project android_frameworks_base by crdroidandroid.

the class CommonTimeUtils method transactSetSockaddr.

public int transactSetSockaddr(int method_code, InetSocketAddress addr) {
    android.os.Parcel data = android.os.Parcel.obtain();
    android.os.Parcel reply = android.os.Parcel.obtain();
    int ret_val = ERROR;
    try {
        data.writeInterfaceToken(mInterfaceDesc);
        if (null == addr) {
            data.writeInt(0);
        } else {
            data.writeInt(1);
            final InetAddress a = addr.getAddress();
            final byte[] b = a.getAddress();
            final int p = addr.getPort();
            if (a instanceof Inet4Address) {
                int v4addr = (((int) b[0] & 0xFF) << 24) | (((int) b[1] & 0xFF) << 16) | (((int) b[2] & 0xFF) << 8) | ((int) b[3] & 0xFF);
                data.writeInt(AF_INET);
                data.writeInt(v4addr);
                data.writeInt(p);
            } else if (a instanceof Inet6Address) {
                int i;
                Inet6Address v6 = (Inet6Address) a;
                data.writeInt(AF_INET6);
                for (i = 0; i < 4; ++i) {
                    int aword = (((int) b[(i * 4) + 0] & 0xFF) << 24) | (((int) b[(i * 4) + 1] & 0xFF) << 16) | (((int) b[(i * 4) + 2] & 0xFF) << 8) | ((int) b[(i * 4) + 3] & 0xFF);
                    data.writeInt(aword);
                }
                data.writeInt(p);
                // flow info
                data.writeInt(0);
                data.writeInt(v6.getScopeId());
            } else {
                return ERROR_BAD_VALUE;
            }
        }
        mRemote.transact(method_code, data, reply, 0);
        ret_val = reply.readInt();
    } catch (RemoteException e) {
        ret_val = ERROR_DEAD_OBJECT;
    } finally {
        reply.recycle();
        data.recycle();
    }
    return ret_val;
}

Example 84 with Inet4Address

use of java.net.Inet4Address in project android_frameworks_base by crdroidandroid.

the class LinkAddressTest method testConstructors.

public void testConstructors() throws SocketException {
    LinkAddress address;
    // Valid addresses work as expected.
    address = new LinkAddress(V4_ADDRESS, 25);
    assertEquals(V4_ADDRESS, address.getAddress());
    assertEquals(25, address.getPrefixLength());
    assertEquals(0, address.getFlags());
    assertEquals(RT_SCOPE_UNIVERSE, address.getScope());
    address = new LinkAddress(V6_ADDRESS, 127);
    assertEquals(V6_ADDRESS, address.getAddress());
    assertEquals(127, address.getPrefixLength());
    assertEquals(0, address.getFlags());
    assertEquals(RT_SCOPE_UNIVERSE, address.getScope());
    // Nonsensical flags/scopes or combinations thereof are acceptable.
    address = new LinkAddress(V6 + "/64", IFA_F_DEPRECATED | IFA_F_PERMANENT, RT_SCOPE_LINK);
    assertEquals(V6_ADDRESS, address.getAddress());
    assertEquals(64, address.getPrefixLength());
    assertEquals(IFA_F_DEPRECATED | IFA_F_PERMANENT, address.getFlags());
    assertEquals(RT_SCOPE_LINK, address.getScope());
    address = new LinkAddress(V4 + "/23", 123, 456);
    assertEquals(V4_ADDRESS, address.getAddress());
    assertEquals(23, address.getPrefixLength());
    assertEquals(123, address.getFlags());
    assertEquals(456, address.getScope());
    // InterfaceAddress doesn't have a constructor. Fetch some from an interface.
    List<InterfaceAddress> addrs = NetworkInterface.getByName("lo").getInterfaceAddresses();
    // We expect to find 127.0.0.1/8 and ::1/128, in any order.
    LinkAddress ipv4Loopback, ipv6Loopback;
    assertEquals(2, addrs.size());
    if (addrs.get(0).getAddress() instanceof Inet4Address) {
        ipv4Loopback = new LinkAddress(addrs.get(0));
        ipv6Loopback = new LinkAddress(addrs.get(1));
    } else {
        ipv4Loopback = new LinkAddress(addrs.get(1));
        ipv6Loopback = new LinkAddress(addrs.get(0));
    }
    assertEquals(NetworkUtils.numericToInetAddress("127.0.0.1"), ipv4Loopback.getAddress());
    assertEquals(8, ipv4Loopback.getPrefixLength());
    assertEquals(NetworkUtils.numericToInetAddress("::1"), ipv6Loopback.getAddress());
    assertEquals(128, ipv6Loopback.getPrefixLength());
    // Null addresses are rejected.
    try {
        address = new LinkAddress(null, 24);
        fail("Null InetAddress should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress((String) null, IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("Null string should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress((InterfaceAddress) null);
        fail("Null string should cause NullPointerException");
    } catch (NullPointerException expected) {
    }
    // Invalid prefix lengths are rejected.
    try {
        address = new LinkAddress(V4_ADDRESS, -1);
        fail("Negative IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6_ADDRESS, -1);
        fail("Negative IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V4_ADDRESS, 33);
        fail("/33 IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V4 + "/33", IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/33 IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6_ADDRESS, 129, IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/129 IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6 + "/129", IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/129 IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    // Multicast addresses are rejected.
    try {
        address = new LinkAddress("224.0.0.2/32");
        fail("IPv4 multicast address should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress("ff02::1/128");
        fail("IPv6 multicast address should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
}

Example 85 with Inet4Address

use of java.net.Inet4Address in project android_frameworks_base by crdroidandroid.

the class DhcpResults method setIpAddress.

// Utils for jni population - false on success
// Not part of the superclass because they're only used by the JNI iterface to the DHCP daemon.
public boolean setIpAddress(String addrString, int prefixLength) {
    try {
        Inet4Address addr = (Inet4Address) NetworkUtils.numericToInetAddress(addrString);
        ipAddress = new LinkAddress(addr, prefixLength);
    } catch (IllegalArgumentException | ClassCastException e) {
        Log.e(TAG, "setIpAddress failed with addrString " + addrString + "/" + prefixLength);
        return true;
    }
    return false;
}