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

Example 21 with Inet4Address

use of java.net.Inet4Address in project platform_frameworks_base by android.

the class DhcpPacket method toDhcpResults.

/**
     *  Construct a DhcpResults object from a DHCP reply packet.
     */
public DhcpResults toDhcpResults() {
    Inet4Address ipAddress = mYourIp;
    if (ipAddress.equals(Inet4Address.ANY)) {
        ipAddress = mClientIp;
        if (ipAddress.equals(Inet4Address.ANY)) {
            return null;
        }
    }
    int prefixLength;
    if (mSubnetMask != null) {
        try {
            prefixLength = NetworkUtils.netmaskToPrefixLength(mSubnetMask);
        } catch (IllegalArgumentException e) {
            // Non-contiguous netmask.
            return null;
        }
    } else {
        prefixLength = NetworkUtils.getImplicitNetmask(ipAddress);
    }
    DhcpResults results = new DhcpResults();
    try {
        results.ipAddress = new LinkAddress(ipAddress, prefixLength);
    } catch (IllegalArgumentException e) {
        return null;
    }
    if (mGateways.size() > 0) {
        results.gateway = mGateways.get(0);
    }
    results.dnsServers.addAll(mDnsServers);
    results.domains = mDomainName;
    results.serverAddress = mServerIdentifier;
    results.vendorInfo = mVendorInfo;
    results.leaseDuration = (mLeaseTime != null) ? mLeaseTime : INFINITE_LEASE;
    results.mtu = (mMtu != null && MIN_MTU <= mMtu && mMtu <= MAX_MTU) ? mMtu : 0;
    return results;
}

Example 22 with Inet4Address

use of java.net.Inet4Address in project platform_frameworks_base by android.

the class DhcpOfferPacket method toString.

public String toString() {
    String s = super.toString();
    String dnsServers = ", DNS servers: ";
    if (mDnsServers != null) {
        for (Inet4Address dnsServer : mDnsServers) {
            dnsServers += dnsServer + " ";
        }
    }
    return s + " OFFER, ip " + mYourIp + ", mask " + mSubnetMask + dnsServers + ", gateways " + mGateways + " lease time " + mLeaseTime + ", domain " + mDomainName;
}

Example 23 with Inet4Address

use of java.net.Inet4Address in project platform_frameworks_base by android.

the class DhcpPacket method addTlv.

/**
     * Adds an optional parameter containing a list of IP addresses.
     */
protected static void addTlv(ByteBuffer buf, byte type, List<Inet4Address> addrs) {
    if (addrs == null || addrs.size() == 0)
        return;
    int optionLen = 4 * addrs.size();
    if (optionLen > MAX_OPTION_LEN) {
        throw new IllegalArgumentException("DHCP option too long: " + optionLen + " vs. " + MAX_OPTION_LEN);
    }
    buf.put(type);
    buf.put((byte) (optionLen));
    for (Inet4Address addr : addrs) {
        buf.put(addr.getAddress());
    }
}

Example 24 with Inet4Address

use of java.net.Inet4Address in project platform_frameworks_base by android.

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 25 with Inet4Address

use of java.net.Inet4Address in project hazelcast by hazelcast.

the class AddressHelper method getPossibleSocketAddresses.

public static Collection<InetSocketAddress> getPossibleSocketAddresses(int port, String scopedAddress, int portTryCount) {
    InetAddress inetAddress = null;
    try {
        inetAddress = InetAddress.getByName(scopedAddress);
    } catch (UnknownHostException ignored) {
        Logger.getLogger(AddressHelper.class).finest("Address not available", ignored);
    }
    int possiblePort = port;
    if (possiblePort == -1) {
        possiblePort = INITIAL_FIRST_PORT;
    }
    final Collection<InetSocketAddress> socketAddresses = new LinkedList<InetSocketAddress>();
    if (inetAddress == null) {
        for (int i = 0; i < portTryCount; i++) {
            socketAddresses.add(new InetSocketAddress(scopedAddress, possiblePort + i));
        }
    } else if (inetAddress instanceof Inet4Address) {
        for (int i = 0; i < portTryCount; i++) {
            socketAddresses.add(new InetSocketAddress(inetAddress, possiblePort + i));
        }
    } else if (inetAddress instanceof Inet6Address) {
        final Collection<Inet6Address> addresses = getPossibleInetAddressesFor((Inet6Address) inetAddress);
        for (Inet6Address inet6Address : addresses) {
            for (int i = 0; i < portTryCount; i++) {
                socketAddresses.add(new InetSocketAddress(inet6Address, possiblePort + i));
            }
        }
    }
    return socketAddresses;
}