Example usage for java.nio ByteBuffer putInt

List of usage examples for java.nio ByteBuffer putInt

  1. HOME
  2. Java
  3. java
  4. java.nio.*
  5. ByteBuffer
  6. 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:com.github.ambry.commons.BlobId.java

@Override
public byte[] toBytes() {
    ByteBuffer idBuf = ByteBuffer.allocate(sizeInBytes());
    idBuf.putShort(version);//from ww  w . j a v  a 2s . co m
    idBuf.put(partitionId.getBytes());
    idBuf.putInt(uuid.getBytes().length);
    idBuf.put(uuid.getBytes());
    return idBuf.array();
}

From source file:org.apache.bookkeeper.replication.BookieLedgerIndexTest.java

/**
 * Verify indexing with multiple ensemble reformation
 *///from   w w w.  ja v a2 s  . co  m
@Test(timeout = 60000)
public void testEnsembleReformation() throws Exception {
    try {
        LedgerHandle lh1 = createAndAddEntriesToLedger();
        LedgerHandle lh2 = createAndAddEntriesToLedger();

        startNewBookie();
        shutdownBookie(bs.size() - 2);

        // add few more entries after ensemble reformation
        for (int i = 0; i < 10; i++) {
            ByteBuffer entry = ByteBuffer.allocate(4);
            entry.putInt(rng.nextInt(Integer.MAX_VALUE));
            entry.position(0);

            entries.add(entry.array());
            lh1.addEntry(entry.array());
            lh2.addEntry(entry.array());
        }

        BookieLedgerIndexer bookieLedgerIndex = new BookieLedgerIndexer(ledgerManager);

        Map<String, Set<Long>> bookieToLedgerIndex = bookieLedgerIndex.getBookieToLedgerIndex();
        assertEquals("Missed few bookies in the bookie-ledger mapping!", 4, bookieToLedgerIndex.size());
        Collection<Set<Long>> bk2ledgerEntry = bookieToLedgerIndex.values();
        for (Set<Long> ledgers : bk2ledgerEntry) {
            assertEquals("Missed few ledgers in the bookie-ledger mapping!", 2, ledgers.size());
            for (Long ledgerNode : ledgers) {
                assertTrue("Unknown ledger-bookie mapping", ledgerList.contains(ledgerNode));
            }
        }
    } catch (BKException e) {
        LOG.error("Test failed", e);
        fail("Test failed due to BookKeeper exception");
    } catch (InterruptedException e) {
        LOG.error("Test failed", e);
        fail("Test failed due to interruption");
    }
}

From source file:com.sm.store.utils.FileStore.java

private boolean checkSignature(FileChannel channel) throws IOException {
    ByteBuffer intBytes = ByteBuffer.allocate(OFFSET);
    if (channel.size() == 0) {
        intBytes.putInt(MAGIC);
        intBytes.flip();/*from   w  w w  .ja v a2 s  .  co m*/
        channel.write(intBytes);
        return true;
    } else {
        channel.read(intBytes);
        intBytes.rewind();
        if (intBytes.getInt() != MAGIC)
            throw new StoreException("Header mismatch expect " + MAGIC + " read " + intBytes.getInt());
    }
    return true;
}

From source file:org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6FlowMod.java

/**
 * This method forms the Vendor extension IPv6 Flow Mod message.It uses the
 * fields in V6FlowMod class, and writes the data according to vendor 
 * extension format. The fields include flow properties (cookie, timeout,
 * priority, etc), flow match, and action list. It also takes care of 
 * required padding.// w  ww .  j  ava  2 s . c  om
 */

@Override
public void writeTo(ByteBuffer data) {
    super.writeTo(data);
    data.putInt(getIPv6ExtensionFlowModAddSubType());
    data.putLong(this.cookie);
    data.putShort(command); /* should be OFPFC_ADD, OFPFC_DELETE_STRICT, etc*/
    data.putShort(this.idleTimeout);
    data.putShort(this.hardTimeout);
    data.putShort(this.priority);
    data.putInt(OFPacketOut.BUFFER_ID_NONE);
    data.putShort(outPort); /* output_port */
    data.putShort(flags); /* flags */
    match_len = this.match.getIPv6MatchLen();
    data.putShort(match_len);
    byte[] pad = new byte[6];
    data.put(pad);
    this.match.writeTo(data);

    pad_size = (short) (((match_len + 7) / 8) * 8 - match_len);

    /*
     * action list should be preceded by a padding of 0 to 7 bytes based upon
     * above formula.
     */

    byte[] pad2 = new byte[pad_size];
    data.put(pad2);
    if (actions != null) {
        for (OFAction action : actions) {
            actions_len += action.getLength();
            action.writeTo(data);
        }
    }
    logger.trace("{}", this);
}

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowAndColumnRangeFilter.java

@Test
public void Test() throws Exception {
    String cf = "f";
    String table = "TestFuzzyAndColumnRangeFilterClient";
    HTable ht = TEST_UTIL.createTable(Bytes.toBytes(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i1 = 0; i1 < 2; i1++) {
        for (int i2 = 0; i2 < 5; i2++) {
            byte[] rk = new byte[10];

            ByteBuffer buf = ByteBuffer.wrap(rk);
            buf.clear();//from   w w w  . j a va  2s .  com
            buf.putShort((short) 2);
            buf.putInt(i1);
            buf.putInt(i2);

            for (int c = 0; c < 5; c++) {
                byte[] cq = new byte[4];
                Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                Put p = new Put(rk);
                p.setDurability(Durability.SKIP_WAL);
                p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                ht.put(p);
                LOG.info("Inserting: rk: " + Bytes.toStringBinary(rk) + " cq: " + Bytes.toStringBinary(cq));
            }
        }
    }

    TEST_UTIL.flush();

    // test passes
    runTest(ht, 0, 10);

    // test fails
    runTest(ht, 1, 8);
}

From source file:com.offbynull.portmapper.natpmp.TcpMappingNatPmpRequest.java

@Override
protected void dumpOpCodeSpecificInformation(ByteBuffer dst) {
    dst.putShort((short) 0);
    dst.putShort((short) internalPort);
    dst.putShort((short) suggestedExternalPort);
    dst.putInt((int) lifetime);
}

From source file:org.mule.util.queue.QueueControlDataFile.java

/**
 * Updates the control data//ww w. j av  a  2  s .  c  o m
 *
 * @param writeFile file that is used for writing
 * @param readFile  file that is used for reading
 */
public void writeControlData(File writeFile, File readFile) {
    try {
        queueFileProvider.getRandomAccessFile().seek(0);
        final String writeFilePath = writeFile.getAbsolutePath();
        final String readFilePath = readFile.getAbsolutePath();
        final ByteBuffer controlDataBuffer = ByteBuffer.allocate(
                writeFilePath.length() + INTEGER_SIZE_IN_BYTES + readFilePath.length() + INTEGER_SIZE_IN_BYTES);
        controlDataBuffer.putInt(writeFilePath.length());
        controlDataBuffer.put(writeFilePath.getBytes());
        controlDataBuffer.putInt(readFilePath.length());
        controlDataBuffer.put(readFilePath.getBytes());
        queueFileProvider.getRandomAccessFile().write(controlDataBuffer.array());
        this.currentReadFilePath = readFile;
        this.currentWriteFilePath = writeFile;
    } catch (IOException e) {
        throw new MuleRuntimeException(e);
    }
}

From source file:org.apache.asterix.experiment.builder.AbstractExperiment8Builder.java

protected String getPointLookUpAQL(int round) {
    ByteBuffer bb = ByteBuffer.allocate(8);
    bb.put((byte) 0);
    bb.put((byte) randGen.nextInt(N_PARTITIONS));
    bb.putShort((short) 0);
    bb.putInt(randGen.nextInt((int) (((1 + round) * dataInterval) / 1000)));
    bb.flip();// w w  w  . j  ava  2s  .c  om
    long key = bb.getLong();
    return pointQueryTemplate.replaceAll("\\$KEY\\$", Long.toString(key));
}

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

/**
 * (non-Javadoc)//from   w w w.java  2  s.c om
 * 
 * @see org.jmangos.sniffer.handler.PacketLogHandler#onDecodePacket(org.jmangos
 *      .sniffer.network.model.NetworkChannel,
 *      org.jmangos.sniffer.enums.Direction, java.lang.Integer,
 *      java.lang.Integer, byte[], int)
 */
@Override
public void onDecodePacket(final NetworkChannel channel, final Direction direction, final Integer size,
        final Integer opcode, final byte[] data, final int frame) {
    if (!isInit()) {
        init();
    }
    try {
        final ByteBuffer buffer = ByteBuffer.allocate(4 + 4 + 4 + 4 + 4 + data.length + 4);
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        buffer.put(direction.getValue());
        buffer.putInt(channel.hashCode());
        buffer.putInt(frame);
        buffer.putInt(0);
        buffer.putInt(data.length + 4);
        buffer.putInt(opcode);
        buffer.put(data);
        this.fous.write(buffer.array());
    } catch (final IOException e) {
        e.printStackTrace();
    }
}

From source file:net.jenet.CommandHeader.java

public void toBuffer(ByteBuffer buffer) {
    buffer.put(command);/*from   w w  w  .  j  a va2s . co m*/
    buffer.put(channelID);
    buffer.put(flags);
    buffer.put(reserved);
    buffer.putInt(commandLength);
    buffer.putInt(reliableSequenceNumber);
}