Example usage for java.nio ByteBuffer putInt

Introduction

In this page you can find the example usage for java.nio ByteBuffer putInt.

Prototype

public abstract ByteBuffer putInt(int value);

Source Link

Document

Writes the given int to the current position and increases the position by 4.

Usage

From source file:org.jmangos.sniffer.handler.PKTLogHandler.java

@Override
public void init() {
    final String date = String.format("%X", System.currentTimeMillis());
    final ByteBuffer buffer = ByteBuffer.allocate(66);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    buffer.put("PKT".getBytes());
    buffer.put((byte) 1);
    buffer.put((byte) 3);
    buffer.put((byte) 12);
    buffer.putInt(this.build);
    buffer.put("xxXX".getBytes());
    buffer.put(this.keyReader.getKey());
    buffer.putInt((int) (System.currentTimeMillis() / 1000L));
    buffer.putInt(0);//from   w  ww . jav a  2 s .  c om
    buffer.putInt(0);
    try {
        this.fous = new DataOutputStream(new FileOutputStream(new File(this.build + "_" + date + ".pkt")));
        this.fous.write(buffer.array());
        setInit(true);
    } catch (final FileNotFoundException e) {
        e.printStackTrace();
    } catch (final IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.bigdata.dastor.db.RowMutation.java

public void delete(QueryPath path, long timestamp) {
    assert path.columnFamilyName != null;
    String cfName = path.columnFamilyName;

    int localDeleteTime = (int) (System.currentTimeMillis() / 1000);

    ColumnFamily columnFamily = modifications_.get(cfName);
    if (columnFamily == null)
        columnFamily = ColumnFamily.create(table_, cfName);

    if (path.superColumnName == null && path.columnName == null) {
        columnFamily.delete(localDeleteTime, timestamp);
    } else if (path.columnName == null) {
        SuperColumn sc = new SuperColumn(path.superColumnName,
                DatabaseDescriptor.getSubComparator(table_, cfName));
        sc.markForDeleteAt(localDeleteTime, timestamp);
        columnFamily.addColumn(sc);//www  .j a va2  s  . com
    } else {
        ByteBuffer bytes = ByteBuffer.allocate(4);
        bytes.putInt(localDeleteTime);
        columnFamily.addColumn(path, bytes.array(), timestamp, true);
    }

    modifications_.put(cfName, columnFamily);
}

---

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

public ByteBuffer toBytes(ByteBuffer bbuf) throws UnsupportedEncodingException {
    super.toBytes(bbuf);
    assert (bbuf.position() == SIZEOF_PAXOSPACKET_FIXED + this.getPaxosID().getBytes(CHARSET).length);
    bbuf.putInt(this.acceptor).putInt(this.ballot.ballotNumber).putInt(this.ballot.coordinatorID)
            .putInt(this.slotNumber).putInt(this.maxCheckpointedSlot).putLong(this.requestID)
            .put(this.isUndigestRequest() ? (byte) 1 : (byte) 0);
    return bbuf;//from   ww  w .  jav  a 2  s  .  c o  m
}

---

From source file:xbird.storage.io.RemoteVarSegments.java

private void sendRequest(final ByteChannel channel, final long... idxs) throws IOException {
    byte[] bFilePath = StringUtils.getBytes(_filePath);
    final int size = idxs.length;
    int buflen = bFilePath.length + 16 + (Primitives.LONG_BYTES * size);//+ 4 + 4 + 4 + 4 + 8n;
    if (buflen > RemotePagingService.MAX_COMMAND_BUFLEN) {
        throw new IllegalStateException("command size exceeds limit in MAX_COMMAND_BUFLEN("
                + RemotePagingService.MAX_COMMAND_BUFLEN + "): " + buflen + " bytes");
    }/*from   w  ww  .j  a  va 2  s  . c o  m*/
    ByteBuffer oprBuf = ByteBuffer.allocate(buflen);
    oprBuf.putInt(buflen - 4);
    oprBuf.putInt(RemotePagingService.COMMAND_TRACK_READ);
    oprBuf.putInt(bFilePath.length); // #1
    oprBuf.put(bFilePath); // #2
    oprBuf.putInt(size); // #3
    for (int i = 0; i < size; i++) {
        oprBuf.putLong(idxs[i]); // #4
    }
    oprBuf.flip();
    NIOUtils.writeFully(channel, oprBuf);
}

---

From source file:xbird.util.nio.RemoteMemoryMappedFile.java

private void sendRequest(final ByteChannel channel, final long startOffset, final long endOffset,
        final int aryLength) throws IOException {
    byte[] bFilePath = StringUtils.getBytes(_filePath);
    int buflen = bFilePath.length + 29;//+ 4 + 4 + 4 + 8 + 8 + 1;
    if (buflen > RemotePagingService.MAX_COMMAND_BUFLEN) {
        throw new IllegalStateException("command size exceeds limit in MAX_COMMAND_BUFLEN("
                + RemotePagingService.MAX_COMMAND_BUFLEN + "): " + buflen + " bytes");
    }/* w w w  .  j a v  a 2 s  .  c o  m*/
    ByteBuffer oprBuf = ByteBuffer.allocate(buflen);
    oprBuf.putInt(buflen - 4);
    oprBuf.putInt(RemotePagingService.COMMAND_READ);
    oprBuf.putInt(bFilePath.length); // #1
    oprBuf.put(bFilePath); // #2
    oprBuf.putLong(startOffset); // #3
    oprBuf.putLong(endOffset); // #4
    oprBuf.put((byte) (_bigEndian ? 1 : 0)); // # 5 is big endian?
    oprBuf.flip();
    NIOUtils.writeFully(channel, oprBuf);
}

---

From source file:org.hobbit.core.components.AbstractCommandReceivingComponent.java

/**
 * Sends the given command to the command queue with the given data appended
 * and using the given properties.//  w  w w. j  a v a2  s  .co  m
 *
 * @param command
 *            the command that should be sent
 * @param data
 *            data that should be appended to the command
 * @param props
 *            properties that should be used for the message
 * @throws IOException
 *             if a communication problem occurs
 */
protected void sendToCmdQueue(byte command, byte data[], BasicProperties props) throws IOException {
    byte sessionIdBytes[] = getHobbitSessionId().getBytes(Charsets.UTF_8);
    // + 5 because 4 bytes for the session ID length and 1 byte for the
    // command
    int dataLength = sessionIdBytes.length + 5;
    boolean attachData = (data != null) && (data.length > 0);
    if (attachData) {
        dataLength += data.length;
    }
    ByteBuffer buffer = ByteBuffer.allocate(dataLength);
    buffer.putInt(sessionIdBytes.length);
    buffer.put(sessionIdBytes);
    buffer.put(command);
    if (attachData) {
        buffer.put(data);
    }
    cmdChannel.basicPublish(Constants.HOBBIT_COMMAND_EXCHANGE_NAME, "", props, buffer.array());
}

---

From source file:io.druid.indexer.IndexGeneratorJobTest.java

private void writeDataToLocalSequenceFile(File outputFile, List<String> data) throws IOException {
    Configuration conf = new Configuration();
    LocalFileSystem fs = FileSystem.getLocal(conf);
    Writer fileWriter = SequenceFile.createWriter(fs, conf, new Path(outputFile.getAbsolutePath()),
            BytesWritable.class, BytesWritable.class, SequenceFile.CompressionType.NONE,
            (CompressionCodec) null);// ww w  .ja v a  2s  .c om

    int keyCount = 10;
    for (String line : data) {
        ByteBuffer buf = ByteBuffer.allocate(4);
        buf.putInt(keyCount);
        BytesWritable key = new BytesWritable(buf.array());
        BytesWritable value = new BytesWritable(line.getBytes(Charsets.UTF_8));
        fileWriter.append(key, value);
        keyCount += 1;
    }

    fileWriter.close();
}

---

From source file:org.cryptomator.crypto.aes256.Aes256CryptorTest.java

License:asdf

@Test
public void testPartialDecryption()
        throws IOException, DecryptFailedException, WrongPasswordException, UnsupportedKeyLengthException {
    // our test plaintext data:
    final byte[] plaintextData = new byte[65536 * Integer.BYTES];
    final ByteBuffer bbIn = ByteBuffer.wrap(plaintextData);
    for (int i = 0; i < 65536; i++) {
        bbIn.putInt(i);
    }//from   w w  w. j a v  a  2s  . c o m
    final InputStream plaintextIn = new ByteArrayInputStream(plaintextData);

    // init cryptor:
    final Aes256Cryptor cryptor = new Aes256Cryptor(TEST_PRNG);

    // encrypt:
    final ByteBuffer encryptedData = ByteBuffer.allocate((int) (64 + plaintextData.length * 1.2));
    final SeekableByteChannel encryptedOut = new ByteBufferBackedSeekableChannel(encryptedData);
    cryptor.encryptFile(plaintextIn, encryptedOut);
    IOUtils.closeQuietly(plaintextIn);
    IOUtils.closeQuietly(encryptedOut);

    encryptedData.position(0);

    // decrypt:
    final SeekableByteChannel encryptedIn = new ByteBufferBackedSeekableChannel(encryptedData);
    final ByteArrayOutputStream plaintextOut = new ByteArrayOutputStream();
    final Long numDecryptedBytes = cryptor.decryptRange(encryptedIn, plaintextOut, 25000 * Integer.BYTES,
            30000 * Integer.BYTES);
    IOUtils.closeQuietly(encryptedIn);
    IOUtils.closeQuietly(plaintextOut);
    Assert.assertTrue(numDecryptedBytes > 0);

    // check decrypted data:
    final byte[] result = plaintextOut.toByteArray();
    final byte[] expected = Arrays.copyOfRange(plaintextData, 25000 * Integer.BYTES, 55000 * Integer.BYTES);
    Assert.assertArrayEquals(expected, result);
}

---

From source file:org.onlab.packet.DhcpTest.java

@Before
public void setUp() {
    hostNameOption.setCode((byte) 55);
    hostNameOption.setLength((byte) hostName.length());
    hostNameOption.setData(hostName.getBytes(Charsets.US_ASCII));

    // Packet length is the fixed DHCP header plus option length plus an
    // extra byte to indicate 'end of options'.
    ByteBuffer bb = ByteBuffer.allocate(DHCP.MIN_HEADER_LENGTH + 2 + hostNameOption.getLength() + 1);

    bb.put(opCode);//w w  w.j ava  2 s .  co m
    bb.put(hardwareType);
    bb.put(hardwareAddressLength);
    bb.put(hops);
    bb.putInt(transactionId);
    bb.putShort(seconds);
    bb.putShort(flags);
    bb.putInt(clientIpAddress);
    bb.putInt(yourIpAddress);
    bb.putInt(serverIpAddress);
    bb.putInt(gatewayIpAddress);
    bb.put(clientHardwareAddress);

    // need 16 bytes of zeros to pad out the client hardware address field
    bb.put(new byte[16 - hardwareAddressLength]);

    // Put server name and pad out to 64 bytes
    bb.put(serverName.getBytes(Charsets.US_ASCII));
    bb.put(new byte[64 - serverName.length()]);

    // Put boot file name and pad out to 128 bytes
    bb.put(bootFileName.getBytes(Charsets.US_ASCII));
    bb.put(new byte[128 - bootFileName.length()]);

    // Magic cookie
    bb.put("DHCP".getBytes(Charsets.US_ASCII));

    bb.put(hostNameOption.getCode());
    bb.put(hostNameOption.getLength());
    bb.put(hostNameOption.getData());

    // End of options marker
    bb.put((byte) (0xff & 255));

    byteHeader = bb.array();
}

---

From source file:de.micromata.genome.logging.spi.ifiles.IndexHeader.java

public void writLogEntryPosition(LogWriteEntry lwe, int position, OutputStream idxOut) throws IOException {
    ByteBuffer ibb = ByteBuffer.wrap(new byte[Integer.BYTES]);
    ByteBuffer lbb = ByteBuffer.wrap(new byte[Long.BYTES]);
    lbb.putLong(lwe.getTimestamp());/* w  ww .j a v  a2s .c  o  m*/
    idxOut.write(lbb.array());
    ibb.putInt(position);
    idxOut.write(ibb.array());
    idxOut.flush();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• »