Examples with Inet6Address java.net.Inet6Address used on opensource projects

Example 81 with Inet6Address

use of java.net.Inet6Address in project BiglyBT by BiglySoftware.

the class DNSUtilsImpl method getAllIPV6ByName.

public List<Inet6Address> getAllIPV6ByName(String host) throws UnknownHostException {
    List<Inet6Address> result = new ArrayList<>();
    try {
        DirContext context = getInitialDirContext().ctx;
        Attributes attrs = context.getAttributes(host, new String[] { "AAAA" });
        if (attrs != null) {
            Attribute attr = attrs.get("aaaa");
            if (attr != null) {
                NamingEnumeration values = attr.getAll();
                while (values.hasMore()) {
                    Object value = values.next();
                    if (value instanceof String) {
                        try {
                            result.add((Inet6Address) InetAddress.getByName((String) value));
                        } catch (Throwable e) {
                        }
                    }
                }
            }
        }
    } catch (Throwable e) {
    }
    if (result.size() > 0) {
        return (result);
    }
    throw (new UnknownHostException(host));
}

Example 82 with Inet6Address

use of java.net.Inet6Address in project stdlib by petergeneric.

the class ServiceManagerHostnameRestServiceImpl method allocateHostname.

@Override
public HostnameResponseDTO allocateHostname(final HostnameRequestDTO request) {
    // Validate the IP address
    final InetAddress ip;
    try {
        ip = InetAddress.getByName(request.ip);
    } catch (Exception e) {
        throw new IllegalArgumentException("Invalid/malformed IP address: " + request.ip);
    }
    // Optionally allocate a hostname
    final String hostname;
    if (request.hostname != null)
        hostname = request.hostname;
    else
        hostname = generateHostname(request.prefix);
    // Generate an SSL cert
    final LetsEncryptCertificateEntity cert = letsEncrypt.issue(hostname);
    // Set up the hostname
    if (ip instanceof Inet6Address)
        dns.createDNSRecord(hostname, RecordType.AAAA, request.ip);
    else
        dns.createDNSRecord(hostname, RecordType.A, request.ip);
    return serialise(cert);
}

Example 83 with Inet6Address

use of java.net.Inet6Address in project scalecube by scalecube.

the class Addressing method getNetworkInterfaceIpAddress.

/**
 * @return {@link InetAddress} by network interface name and a flag indicating whether returned IP address will be
 *         IPv4 or IPv6.
 */
private static InetAddress getNetworkInterfaceIpAddress(String listenInterface, boolean preferIPv6) {
    try {
        NetworkInterface ni = NetworkInterface.getByName(listenInterface);
        if (ni == null) {
            throw new IllegalArgumentException("Configured network interface: " + listenInterface + " could not be found");
        }
        if (!ni.isUp()) {
            throw new IllegalArgumentException("Configured network interface: " + listenInterface + " is not active");
        }
        Enumeration<InetAddress> addrs = ni.getInetAddresses();
        if (!addrs.hasMoreElements()) {
            throw new IllegalArgumentException("Configured network interface: " + listenInterface + " was found, but had no addresses");
        }
        // try to return the first address of the preferred type, otherwise return the first address
        InetAddress result = null;
        while (addrs.hasMoreElements()) {
            InetAddress addr = addrs.nextElement();
            if (preferIPv6 && addr instanceof Inet6Address) {
                return addr;
            }
            if (!preferIPv6 && addr instanceof Inet4Address) {
                return addr;
            }
            if (result == null) {
                result = addr;
            }
        }
        return result;
    } catch (SocketException e) {
        throw new IllegalArgumentException("Configured network interface: " + listenInterface + " caused an exception", e);
    }
}

Example 84 with Inet6Address

use of java.net.Inet6Address in project java-docs-samples by GoogleCloudPlatform.

the class CloudSqlServlet method doGet.

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    final String createTableSql = "CREATE TABLE IF NOT EXISTS visits ( visit_id INT NOT NULL " + "AUTO_INCREMENT, user_ip VARCHAR(46) NOT NULL, timestamp DATETIME NOT NULL, " + "PRIMARY KEY (visit_id) )";
    final String createVisitSql = "INSERT INTO visits (user_ip, timestamp) VALUES (?, ?)";
    final String selectSql = "SELECT user_ip, timestamp FROM visits ORDER BY timestamp DESC " + "LIMIT 10";
    String path = req.getRequestURI();
    if (path.startsWith("/favicon.ico")) {
        // ignore the request for favicon.ico
        return;
    }
    PrintWriter out = resp.getWriter();
    resp.setContentType("text/plain");
    // store only the first two octets of a users ip address
    String userIp = req.getRemoteAddr();
    InetAddress address = InetAddress.getByName(userIp);
    if (address instanceof Inet6Address) {
        // nest indexOf calls to find the second occurrence of a character in a string
        // an alternative is to use Apache Commons Lang: StringUtils.ordinalIndexOf()
        userIp = userIp.substring(0, userIp.indexOf(":", userIp.indexOf(":") + 1)) + ":*:*:*:*:*:*";
    } else if (address instanceof Inet4Address) {
        userIp = userIp.substring(0, userIp.indexOf(".", userIp.indexOf(".") + 1)) + ".*.*";
    }
    Stopwatch stopwatch = Stopwatch.createStarted();
    try (PreparedStatement statementCreateVisit = conn.prepareStatement(createVisitSql)) {
        conn.createStatement().executeUpdate(createTableSql);
        statementCreateVisit.setString(1, userIp);
        statementCreateVisit.setTimestamp(2, new Timestamp(new Date().getTime()));
        statementCreateVisit.executeUpdate();
        try (ResultSet rs = conn.prepareStatement(selectSql).executeQuery()) {
            stopwatch.stop();
            out.print("Last 10 visits:\n");
            while (rs.next()) {
                String savedIp = rs.getString("user_ip");
                String timeStamp = rs.getString("timestamp");
                out.print("Time: " + timeStamp + " Addr: " + savedIp + "\n");
            }
            out.println("Elapsed: " + stopwatch.elapsed(TimeUnit.MILLISECONDS));
        }
    } catch (SQLException e) {
        throw new ServletException("SQL error", e);
    }
}

Example 85 with Inet6Address

use of java.net.Inet6Address in project java-docs-samples by GoogleCloudPlatform.

the class DiskServlet method doGet.

@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    // store only the first two octets of a users ip address
    String userIp = req.getRemoteAddr();
    InetAddress address = InetAddress.getByName(userIp);
    if (address instanceof Inet6Address) {
        // nest indexOf calls to find the second occurrence of a character in a string
        // an alternative is to use Apache Commons Lang: StringUtils.ordinalIndexOf()
        userIp = userIp.substring(0, userIp.indexOf(":", userIp.indexOf(":") + 1)) + ":*:*:*:*:*:*";
    } else if (address instanceof Inet4Address) {
        userIp = userIp.substring(0, userIp.indexOf(".", userIp.indexOf(".") + 1)) + ".*.*";
    }
    Path tmpFile = Paths.get("/tmp/seen.txt");
    Files.write(tmpFile, (userIp + "\n").getBytes(), StandardOpenOption.CREATE, StandardOpenOption.APPEND);
    StringBuffer sb = new StringBuffer();
    List<String> strings = Files.readAllLines(tmpFile, StandardCharsets.US_ASCII);
    for (String s : strings) {
        sb.append(s + "\n");
    }
    String instanceId = System.getenv().containsKey("GAE_INSTANCE") ? System.getenv("GAE_INSTANCE") : "1";
    PrintWriter out = resp.getWriter();
    resp.setContentType("text/plain");
    out.print("Instance: " + instanceId + "\nSeen:\n" + sb.toString());
}