Example usage for java.net InetAddress getByAddress

Introduction

In this page you can find the example usage for java.net InetAddress getByAddress.

Prototype

public static InetAddress getByAddress(byte[] addr) throws UnknownHostException 

Source Link

Document

Returns an InetAddress object given the raw IP address .

Usage

From source file:sdn_competition.PcapReader_Main.java

/**
* inetAddress(byte[] buf): converts an array of four bytes to an InetAddress
*///from w  w  w  .  java  2 s. c  o  m
private static InetAddress inetAddress(byte[] buf) {
    InetAddress addr = null;
    try {
        addr = InetAddress.getByAddress(buf);
    } catch (UnknownHostException uhe) {
    }
    return addr;
}

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From source file:slash.navigation.mapview.browser.BrowserMapView.java

protected void checkLocalhostResolution() {
    try {//www .j  av a 2  s .  c  o m
        InetAddress localhost = InetAddress.getByName("localhost");
        log.info("localhost is resolved to: " + localhost);
        String localhostName = localhost.getHostAddress();
        log.info("IP of localhost is: " + localhostName);
        if (!localhostName.equals("127.0.0.1"))
            throw new Exception("localhost does not resolve to 127.0.0.1");

        InetAddress ip = InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 });
        log.info("127.0.0.1 is resolved to: " + ip);
        String ipName = localhost.getHostName();
        log.info("Name of 127.0.0.1 is: " + ipName);
        if (!ipName.equals("localhost"))
            throw new Exception("127.0.0.1 does not resolve to localhost");
    } catch (Exception e) {
        final String message = "Probably faulty network setup: " + getLocalizedMessage(e)
                + ".\nPlease check your network settings.";
        log.severe(message);
        invokeLater(new Runnable() {
            public void run() {
                showMessageDialog(getComponent(), message, "Error", ERROR_MESSAGE);
            }
        });
    }
}

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From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match.java

private void readIpv4Src(ByteBuffer data, int nxmLen, boolean hasMask) {
    if (hasMask) {
        if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4))
            return;
        else {//from  w  w w  . ja  v a2  s .c o  m
            byte[] sbytes = new byte[4];
            data.get(sbytes);
            try {
                this.nwSrc = InetAddress.getByAddress(sbytes);
            } catch (UnknownHostException e) {
                return;
            }
            byte[] mbytes = new byte[4];
            data.get(mbytes);
            try {
                this.networkSourceMask = InetAddress.getByAddress(mbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
            this.match_len += 12;
            int prefixlen = getNetworkMaskPrefixLength(mbytes);
            this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0 Match
            this.wildcards |= ((32 - prefixlen) << 8); // Sync with 0F 1.0 Match

        }
    } else {
        if ((nxmLen != 4) || (data.remaining() < 4))
            return;
        else {
            byte[] sbytes = new byte[4];
            data.get(sbytes);
            try {
                this.nwSrc = InetAddress.getByAddress(sbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
            this.match_len += 8;
            this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0 Match
        }
    }
}

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From source file:org.commoncrawl.io.NIOHttpConnection.java

public void open() throws IOException {

    if (_state != State.IDLE)
        throw new IOException("Invalid State");

    _openTime = System.currentTimeMillis();

    if (_url.getHost().length() == 0 || _method.length() == 0 || _httpVersionString.length() == 0)
        throw new IOException("Invalid Base HTTP Parameters Specified");

    setState(State.AWAITING_RESOLUTION, null);

    InetSocketAddress socketAddress = getProxyServer();

    if (socketAddress == null) {
        InetAddress addressToConnectTo = null;

        // get host name ...
        String hostName = _url.getHost();

        // figure out if it url is an explicit IP Address ...
        byte[] ipAddress = IPAddressUtils.textToNumericFormatV4(hostName);

        // if this IS an IP address (vs a hostname that needs to be resolved...)
        if (ipAddress != null) {
            // set address to connect to ...
            addressToConnectTo = InetAddress.getByAddress(ipAddress);
        }/*  w w  w .  j  a  v  a 2s  .c  om*/
        // now if address to connect to is still null...
        if (addressToConnectTo == null) {
            // see if someone overloaded resolved address ...
            addressToConnectTo = getResolvedAddress();
        }

        // now if address to connect to is not null, convert it to a socket
        // address
        if (addressToConnectTo != null) {
            // TODO: FIX THIS FOR HTTPS
            socketAddress = new InetSocketAddress(addressToConnectTo,
                    (_url.getPort() == -1) ? 80 : _url.getPort());
        }
    }
    // now, if socket address is NOT null, directly connect to the specified
    // address, bypassing dns lookup
    if (socketAddress != null) {
        startConnect(socketAddress);
    }
    // otherwise delegate to resolver (to figure out ip address)
    else {
        LOG.info("Sending Host:" + _url.getHost() + " to resolver");
        _resolver.resolve(this, _url.getHost(), false, true, _dnsTimeout);
    }
}

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From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match.java

private void readIpv4Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
    if (hasMask) {
        if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4))
            return;
        else {/*  w  w  w  .  j  av a  2  s . c  om*/
            byte[] dbytes = new byte[4];
            data.get(dbytes);
            try {
                this.nwDst = InetAddress.getByAddress(dbytes);
            } catch (UnknownHostException e) {
                return;
            }
            byte[] mbytes = new byte[4];
            data.get(mbytes);
            try {
                this.networkDestinationMask = InetAddress.getByAddress(mbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
            this.match_len += 12;
            int prefixlen = getNetworkMaskPrefixLength(mbytes);
            this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0 Match
            this.wildcards |= ((32 - prefixlen) << 14); // Sync with 0F 1.0 Match
        }
    } else {
        if ((nxmLen != 4) || (data.remaining() < 4))
            return;
        else {
            byte[] dbytes = new byte[4];
            data.get(dbytes);
            try {
                this.nwDst = InetAddress.getByAddress(dbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
            this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0 Match
            this.match_len += 8;
        }
    }
}

---

From source file:edu.umass.cs.gigapaxos.paxospackets.RequestPacket.java

public RequestPacket(ByteBuffer bbuf) throws UnsupportedEncodingException, UnknownHostException {
    super(bbuf);// ww w . j  av  a2s . co  m
    int exactLength = bbuf.position();

    this.requestID = bbuf.getLong();
    this.stop = bbuf.get() == (byte) 1;
    exactLength += (8 + 1);

    // addresses
    byte[] ca = new byte[4];
    bbuf.get(ca);
    int cport = (int) bbuf.getShort();
    cport = cport >= 0 ? cport : cport + 2 * (Short.MAX_VALUE + 1);
    this.clientAddress = cport != 0 ? new InetSocketAddress(InetAddress.getByAddress(ca), cport) : null;
    byte[] la = new byte[4];
    bbuf.get(la);
    int lport = (int) bbuf.getShort();
    lport = lport >= 0 ? lport : lport + 2 * (Short.MAX_VALUE + 1);
    this.listenAddress = lport != 0 ? new InetSocketAddress(InetAddress.getByAddress(la), lport) : null;
    exactLength += (4 + 2 + 4 + 2);

    // other non-final fields
    this.entryReplica = bbuf.getInt();
    this.entryTime = bbuf.getLong();
    this.shouldReturnRequestValue = bbuf.get() == (byte) 1;
    this.forwardCount = bbuf.getInt();
    exactLength += (4 + 8 + 1 + 4);

    // digest related fields
    this.broadcasted = bbuf.get() == (byte) 1;
    int digestLength = bbuf.getInt();
    if (digestLength > 0)
        bbuf.get(this.digest = new byte[digestLength]);

    // highly variable length fields

    // requestValue
    int reqValLen = bbuf.getInt();
    byte[] reqValBytes = new byte[reqValLen];
    bbuf.get(reqValBytes);
    this.requestValue = reqValBytes.length > 0 ? new String(reqValBytes, CHARSET) : null;
    exactLength += (4 + reqValBytes.length);

    // responseValue
    int respValLen = bbuf.getInt();
    byte[] respValBytes = new byte[respValLen];
    bbuf.get(respValBytes);
    this.responseValue = respValBytes.length > 0 ? new String(respValBytes, CHARSET) : null;
    exactLength += (4 + respValBytes.length);

    int numBatched = bbuf.getInt();
    if (numBatched == 0)
        return;
    // else
    // batched requests
    this.batched = new RequestPacket[numBatched];
    for (int i = 0; i < numBatched; i++) {
        int len = bbuf.getInt();
        byte[] element = new byte[len];
        bbuf.get(element);
        this.batched[i] = new RequestPacket(element);
    }
    assert (exactLength > 0);
}

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From source file:com.ebay.jetstream.messaging.transport.zookeeper.ZooKeeperTransport.java

private String createKey(String path, ZooKeeperDataWrapper wrapper) {
    byte[] orig = ((JetstreamMessage) wrapper.getOrginalData()).getMsgOrigination();
    try {/*www. j a v a  2  s. c  om*/
        String hostname = InetAddress.getByAddress(orig).getHostName();
        String key = hostname + "_" + path;
        return key;
    } catch (UnknownHostException e) {
        LOGGER.warn("UnknownHostException while creating the key :" + path, e);
    }
    return null;
}

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From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match.java

private void readIpv6Src(ByteBuffer data, int nxmLen, boolean hasMask) {
    if (hasMask) {
        if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16))
            return;
        else {/*from ww w  . j  ava2  s  .co  m*/
            byte[] sbytes = new byte[16];
            data.get(sbytes);
            try {
                this.nwSrc = InetAddress.getByAddress(sbytes);
            } catch (UnknownHostException e) {
                return;
            }
            byte[] mbytes = new byte[16];
            data.get(mbytes);
            try {
                this.networkSourceMask = InetAddress.getByAddress(mbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
            this.match_len += 36;
        }
    } else {
        if ((nxmLen != 16) || (data.remaining() < 16))
            return;
        else {
            byte[] sbytes = new byte[16];
            data.get(sbytes);
            try {
                this.nwSrc = InetAddress.getByAddress(sbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
            this.match_len += 20;
        }
    }
}

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From source file:io.divolte.server.recordmapping.DslRecordMapping.java

private static Optional<InetAddress> tryParseIpv4(final String ip) {
    final byte[] result = new byte[4];
    final String[] parts = StringUtils.split(ip, '.');
    if (parts.length != 4) {
        return Optional.empty();
    }//from w w  w. jav a 2s.  c  o m
    try {
        for (int c = 0; c < 4; c++) {
            final int x = Integer.parseInt(parts[c]);
            if (x < 0x00 || x > 0xff) {
                return Optional.empty();
            }
            result[c] = (byte) (x & 0xff);
        }
    } catch (NumberFormatException nfe) {
        return Optional.empty();
    }

    try {
        return Optional.of(InetAddress.getByAddress(result));
    } catch (UnknownHostException e) {
        return Optional.empty();
    }
}

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From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match.java

private void readIpv6Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
    if (hasMask) {
        if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16))
            return;
        else {//w w  w  .j a  v a2s.  c o  m
            byte[] dbytes = new byte[16];
            data.get(dbytes);
            try {
                this.nwDst = InetAddress.getByAddress(dbytes);
            } catch (UnknownHostException e) {
                return;
            }
            byte[] mbytes = new byte[16];
            data.get(mbytes);
            try {
                this.networkDestinationMask = InetAddress.getByAddress(mbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
            this.match_len += 36;
        }
    } else {
        if ((nxmLen != 16) || (data.remaining() < 16))
            return;
        else {
            byte[] dbytes = new byte[16];
            data.get(dbytes);
            try {
                this.nwDst = InetAddress.getByAddress(dbytes);
            } catch (UnknownHostException e) {
                return;
            }
            this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
            this.match_len += 20;
        }
    }
}

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