Example usage for java.nio ByteBuffer putLong

List of usage examples for java.nio ByteBuffer putLong

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Introduction

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

Prototype

public abstract ByteBuffer putLong(long value);

Source Link

Document

Writes the given long to the current position and increases the position by 8.

Usage

From source file:org.springframework.amqp.rabbit.junit.BrokerRunning.java

/**
 * Generate the connection id for the connection used by the rule's
 * connection factory.//www  .j a  v a2s . c om
 * @return the id.
 */
public String generateId() {
    UUID uuid = UUID.randomUUID();
    ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits()).putLong(uuid.getLeastSignificantBits());
    return "SpringBrokerRunning." + Base64Utils.encodeToUrlSafeString(bb.array()).replaceAll("=", "");
}

From source file:net.dv8tion.jda.core.audio.AudioWebSocket.java

private void setupKeepAlive(final int keepAliveInterval) {
    if (keepAliveHandle != null)
        LOG.fatal("Setting up a KeepAlive runnable while the previous one seems to still be active!!");

    Runnable keepAliveRunnable = () -> {
        if (socket.isOpen() && socket.isOpen() && !udpSocket.isClosed()) {
            send(new JSONObject().put("op", 3).put("d", System.currentTimeMillis()).toString());

            long seq = 0;
            try {
                ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES + 1);
                buffer.put((byte) 0xC9);
                buffer.putLong(seq);
                DatagramPacket keepAlivePacket = new DatagramPacket(buffer.array(), buffer.array().length,
                        address);//  w w w .  j a  v  a  2  s  .  c  o m
                udpSocket.send(keepAlivePacket);

            } catch (NoRouteToHostException e) {
                LOG.warn("Closing AudioConnection due to inability to ping audio packets.");
                LOG.warn("Cannot send audio packet because JDA navigate the route to Discord.\n"
                        + "Are you sure you have internet connection? It is likely that you've lost connection.");
                AudioWebSocket.this.close(ConnectionStatus.ERROR_LOST_CONNECTION);
            } catch (IOException e) {
                LOG.log(e);
            }
        }
    };

    try {
        keepAliveHandle = keepAlivePool.scheduleAtFixedRate(keepAliveRunnable, 0, keepAliveInterval,
                TimeUnit.MILLISECONDS);
    } catch (RejectedExecutionException ignored) {
    } //ignored because this is probably caused due to a race condition
      // related to the threadpool shutdown.
}

From source file:com.linkedin.pinot.core.startree.MmapLinkedListStarTreeTable.java

@Override
protected ByteBuffer toByteBuffer(StarTreeTableRow row) {
    ByteBuffer buffer = getNextBuffer();

    for (int i = 0; i < dimensionTypes.size(); i++) {
        buffer.putInt(row.getDimensions().get(i));
    }//from  w ww .j av  a  2  s  . c o m

    for (int i = 0; i < metricTypes.size(); i++) {
        switch (metricTypes.get(i)) {
        case SHORT:
            buffer.putShort(row.getMetrics().get(i).shortValue());
            break;
        case INT:
            buffer.putInt(row.getMetrics().get(i).intValue());
            break;
        case LONG:
            buffer.putLong(row.getMetrics().get(i).longValue());
            break;
        case FLOAT:
            buffer.putFloat(row.getMetrics().get(i).floatValue());
            break;
        case DOUBLE:
            buffer.putDouble(row.getMetrics().get(i).doubleValue());
            break;
        default:
            throw new IllegalArgumentException("Unsupported metric type " + metricTypes.get(i));
        }
    }

    return buffer;
}

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  w w.j a v a 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:org.opendaylight.lispflowmapping.lisp.serializer.MapNotifySerializer.java

public ByteBuffer serialize(MapNotify mapNotify) {
    int size = Length.HEADER_SIZE;
    if (mapNotify.getAuthenticationData() != null) {
        size += mapNotify.getAuthenticationData().length;
    }/*from w  w  w  . java2 s . c o m*/
    if (mapNotify.isXtrSiteIdPresent() != null && mapNotify.isXtrSiteIdPresent()) {
        size += org.opendaylight.lispflowmapping.lisp.serializer.MapRegisterSerializer.Length.XTRID_SIZE
                + org.opendaylight.lispflowmapping.lisp.serializer.MapRegisterSerializer.Length.SITEID_SIZE;
    }
    for (MappingRecordItem mappingRecord : mapNotify.getMappingRecordItem()) {
        size += MappingRecordSerializer.getInstance().getSerializationSize(mappingRecord.getMappingRecord());
    }

    ByteBuffer replyBuffer = ByteBuffer.allocate(size);
    replyBuffer.put((byte) (MessageType.MapNotify.getIntValue() << 4));
    replyBuffer.position(replyBuffer.position() + Length.RES);
    replyBuffer.put(ByteUtil.boolToBit(BooleanUtils.isTrue(mapNotify.isMergeEnabled()), Flags.MERGE_ENABLED));
    if (mapNotify.getMappingRecordItem() != null) {
        replyBuffer.put((byte) mapNotify.getMappingRecordItem().size());
    } else {
        replyBuffer.put((byte) 0);
    }
    replyBuffer.putLong(NumberUtil.asLong(mapNotify.getNonce()));
    replyBuffer.putShort(NumberUtil.asShort(mapNotify.getKeyId()));
    if (mapNotify.getAuthenticationData() != null) {
        replyBuffer.putShort((short) mapNotify.getAuthenticationData().length);
        replyBuffer.put(mapNotify.getAuthenticationData());
    } else {
        replyBuffer.putShort((short) 0);
    }

    if (mapNotify.getMappingRecordItem() != null) {
        for (MappingRecordItem mappingRecord : mapNotify.getMappingRecordItem()) {
            MappingRecordSerializer.getInstance().serialize(replyBuffer, mappingRecord.getMappingRecord());
        }
    }

    if (mapNotify.isXtrSiteIdPresent() != null && mapNotify.isXtrSiteIdPresent()) {
        replyBuffer.put(mapNotify.getXtrId().getValue());
        replyBuffer.put(mapNotify.getSiteId().getValue());
    }
    replyBuffer.clear();
    return replyBuffer;
}

From source file:org.opendaylight.lispflowmapping.implementation.serializer.MapReplySerializer.java

public ByteBuffer serialize(MapReply mapReply) {
    int size = Length.HEADER_SIZE;
    for (EidToLocatorRecord eidToLocatorRecord : mapReply.getEidToLocatorRecord()) {
        size += EidToLocatorRecordSerializer.getInstance().getSerializationSize(eidToLocatorRecord);
    }/* www  . j  av  a2s.  c  o  m*/

    ByteBuffer replyBuffer = ByteBuffer.allocate(size);

    replyBuffer.put((byte) ((LispMessageEnum.MapReply.getValue() << 4) | //
            (BooleanUtils.isTrue(mapReply.isProbe()) ? Flags.PROBE : 0x00) | //
            (BooleanUtils.isTrue(mapReply.isEchoNonceEnabled()) ? Flags.ECHO_NONCE_ENABLED : 0x00)));

    replyBuffer.position(replyBuffer.position() + Length.RES);
    if (mapReply.getEidToLocatorRecord() != null) {
        replyBuffer.put((byte) mapReply.getEidToLocatorRecord().size());
    } else {
        replyBuffer.put((byte) 0);

    }
    replyBuffer.putLong(NumberUtil.asLong(mapReply.getNonce()));
    if (mapReply.getEidToLocatorRecord() != null) {
        for (EidToLocatorRecord eidToLocatorRecord : mapReply.getEidToLocatorRecord()) {
            EidToLocatorRecordSerializer.getInstance().serialize(replyBuffer, eidToLocatorRecord);
        }
    }
    return replyBuffer;
}

From source file:org.opendaylight.lispflowmapping.lisp.serializer.MapReplySerializer.java

public ByteBuffer serialize(MapReply mapReply) {
    int size = Length.HEADER_SIZE;
    for (MappingRecordItem eidToLocatorRecord : mapReply.getMappingRecordItem()) {
        size += MappingRecordSerializer.getInstance()
                .getSerializationSize(eidToLocatorRecord.getMappingRecord());
    }/*from   www. ja va2s.c  om*/

    ByteBuffer replyBuffer = ByteBuffer.allocate(size);

    replyBuffer.put((byte) ((MessageType.MapReply.getIntValue() << 4) | //
            (BooleanUtils.isTrue(mapReply.isProbe()) ? Flags.PROBE : 0x00) | //
            (BooleanUtils.isTrue(mapReply.isEchoNonceEnabled()) ? Flags.ECHO_NONCE_ENABLED : 0x00)));

    replyBuffer.position(replyBuffer.position() + Length.RES);
    if (mapReply.getMappingRecordItem() != null) {
        replyBuffer.put((byte) mapReply.getMappingRecordItem().size());
    } else {
        replyBuffer.put((byte) 0);

    }
    replyBuffer.putLong(NumberUtil.asLong(mapReply.getNonce()));
    if (mapReply.getMappingRecordItem() != null) {
        for (MappingRecordItem eidToLocatorRecord : mapReply.getMappingRecordItem()) {
            MappingRecordSerializer.getInstance().serialize(replyBuffer, eidToLocatorRecord.getMappingRecord());
        }
    }
    return replyBuffer;
}

From source file:com.btoddb.fastpersitentqueue.FpqIT.java

@Test
public void testThreading() throws Exception {
    final int numEntries = 1000;
    final int numPushers = 4;
    final int numPoppers = 4;
    final int entrySize = 1000;
    fpq1.setMaxTransactionSize(2000);// ww w  . j av a  2s  .  c  o m
    final int popBatchSize = 100;
    fpq1.setMaxMemorySegmentSizeInBytes(10000000);
    fpq1.setMaxJournalFileSize(10000000);
    fpq1.setMaxJournalDurationInMs(30000);
    fpq1.setFlushPeriodInMs(1000);
    fpq1.setNumberOfFlushWorkers(4);

    final Random pushRand = new Random(1000L);
    final Random popRand = new Random(1000000L);
    final AtomicInteger pusherFinishCount = new AtomicInteger();
    final AtomicInteger numPops = new AtomicInteger();
    final AtomicLong counter = new AtomicLong();
    final AtomicLong pushSum = new AtomicLong();
    final AtomicLong popSum = new AtomicLong();

    fpq1.init();

    ExecutorService execSrvc = Executors.newFixedThreadPool(numPushers + numPoppers);

    Set<Future> futures = new HashSet<Future>();

    // start pushing
    for (int i = 0; i < numPushers; i++) {
        Future future = execSrvc.submit(new Runnable() {
            @Override
            public void run() {
                for (int i = 0; i < numEntries; i++) {
                    try {
                        long x = counter.getAndIncrement();
                        pushSum.addAndGet(x);
                        ByteBuffer bb = ByteBuffer.wrap(new byte[entrySize]);
                        bb.putLong(x);

                        fpq1.beginTransaction();
                        fpq1.push(bb.array());
                        fpq1.commit();
                        if ((x + 1) % 500 == 0) {
                            System.out.println("pushed ID = " + x);
                        }
                        Thread.sleep(pushRand.nextInt(5));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
                pusherFinishCount.incrementAndGet();
            }
        });
        futures.add(future);
    }

    // start popping
    for (int i = 0; i < numPoppers; i++) {
        Future future = execSrvc.submit(new Runnable() {
            @Override
            public void run() {
                while (pusherFinishCount.get() < numPushers || !fpq1.isEmpty()) {
                    try {
                        fpq1.beginTransaction();
                        try {
                            Collection<FpqEntry> entries = fpq1.pop(popBatchSize);
                            if (null == entries) {
                                Thread.sleep(100);
                                continue;
                            }

                            for (FpqEntry entry : entries) {
                                ByteBuffer bb = ByteBuffer.wrap(entry.getData());
                                popSum.addAndGet(bb.getLong());
                                if (entry.getId() % 500 == 0) {
                                    System.out.println("popped ID = " + entry.getId());
                                }
                            }
                            numPops.addAndGet(entries.size());
                            fpq1.commit();
                            entries.clear();
                        } finally {
                            if (fpq1.isTransactionActive()) {
                                fpq1.rollback();
                            }
                        }
                        Thread.sleep(popRand.nextInt(10));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        futures.add(future);
    }

    boolean finished = false;
    while (!finished) {
        try {
            for (Future f : futures) {
                f.get();
            }
            finished = true;
        } catch (InterruptedException e) {
            // ignore
            Thread.interrupted();
        }
    }

    assertThat(numPops.get(), is(numEntries * numPushers));
    assertThat(fpq1.getNumberOfEntries(), is(0L));
    assertThat(pushSum.get(), is(popSum.get()));
    assertThat(fpq1.getMemoryMgr().getNumberOfActiveSegments(), is(1));
    assertThat(fpq1.getMemoryMgr().getSegments(), hasSize(1));
    assertThat(fpq1.getJournalMgr().getJournalFiles().entrySet(), hasSize(1));
    assertThat(FileUtils.listFiles(fpq1.getPagingDirectory(), TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE),
            is(empty()));
    assertThat(
            FileUtils.listFiles(fpq1.getJournalDirectory(), TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE),
            hasSize(1));
}

From source file:org.apache.bookkeeper.bookie.BookieJournalTest.java

/**
 * Generate fence entry//from   w w w  .j a v a 2s .c  om
 */
private ByteBuffer generateFenceEntry(long ledgerId) {
    ByteBuffer bb = ByteBuffer.allocate(8 + 8);
    bb.putLong(ledgerId);
    bb.putLong(Bookie.METAENTRY_ID_FENCE_KEY);
    bb.flip();
    return bb;
}

From source file:edu.umn.cs.spatialHadoop.nasa.HDFRasterLayer.java

@Override
public void write(DataOutput out) throws IOException {
    super.write(out);
    out.writeLong(timestamp);/*from www  .  j  a  va  2 s.  c  o m*/
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    GZIPOutputStream gzos = new GZIPOutputStream(baos);
    ByteBuffer bbuffer = ByteBuffer.allocate(getHeight() * 2 * 8 + 8);
    bbuffer.putInt(getWidth());
    bbuffer.putInt(getHeight());
    gzos.write(bbuffer.array(), 0, bbuffer.position());
    for (int x = 0; x < getWidth(); x++) {
        bbuffer.clear();
        for (int y = 0; y < getHeight(); y++) {
            bbuffer.putLong(sum[x][y]);
            bbuffer.putLong(count[x][y]);
        }
        gzos.write(bbuffer.array(), 0, bbuffer.position());
    }
    gzos.close();

    byte[] serializedData = baos.toByteArray();
    out.writeInt(serializedData.length);
    out.write(serializedData);
}