Example usage for java.nio ByteBuffer getLong

List of usage examples for java.nio ByteBuffer getLong

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Introduction

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

Prototype

public abstract long getLong();

Source Link

Document

Returns the long at the current position and increases the position by 8.

Usage

From source file:eu.europa.esig.dss.DSSUtils.java

public static long toLong(final byte[] bytes) {
    // Long.valueOf(new String(bytes)).longValue();
    ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.put(bytes, 0, Long.SIZE / 8);
    // TODO: (Bob: 2014 Jan 22) To be checked if it is not platform dependent?
    buffer.flip();//need flip
    return buffer.getLong();
}

From source file:org.cloudata.core.commitlog.pipe.RunState.java

@Override
public boolean writeFileDone(Context ctx) throws IOException {
    ctx.status.scheduled = false;/*from   w  w  w. j av a2s.com*/
    ctx.status.writingDone = true;
    ByteBuffer ret = ByteBuffer.allocate(9);

    if (ctx.signalReceiver.read(ret) < 0) {
        throw new IOException("Internal pipe disconnection");
    }

    ret.flip();
    ctx.bulk.clear();

    byte result = ret.get();
    long time = ret.getLong();

    ctx.writeDoneTime = System.currentTimeMillis();

    CommitLogServer.metrics.setWrite(ctx.bulk.totalNumWritten, (ctx.writeDoneTime - time));

    if (ctx.writeDoneTime - time > 100) {
        LOG.info("TIME REPORT [too long time to be signaled] takes " + (ctx.writeDoneTime - time) + "ms");
    }

    if (result == AsyncFileWriter.NACK) {
        writeFileFail(ctx);
    }

    if (ctx.isLastPipe) {
        ctx.ack.clear();
        ctx.ack.put(AsyncFileWriter.ACK);
        ctx.ack.putLong(System.currentTimeMillis());
        ctx.ack.flip();
        writeToPrev(ctx);
    } else if (ctx.status.ackReceived) {
        writeToPrev(ctx);
    }

    return true;
}

From source file:org.apache.htrace.impl.PackedBufferManager.java

private void readAndValidateResponseFrame(SelectionKey sockKey, ByteBuffer buf, long expectedSeq,
        int expectedMethodId) throws IOException {
    buf.clear();//www.  j  ava  2s  .c  o  m
    buf.limit(PackedBuffer.HRPC_RESP_FRAME_LENGTH);
    doRecv(sockKey, buf);
    buf.flip();
    buf.order(ByteOrder.LITTLE_ENDIAN);
    long seq = buf.getLong();
    if (seq != expectedSeq) {
        throw new IOException("Expected sequence number " + expectedSeq + ", but got sequence number " + seq);
    }
    int methodId = buf.getInt();
    if (expectedMethodId != methodId) {
        throw new IOException("Expected method id " + expectedMethodId + ", but got " + methodId);
    }
    int errorLength = buf.getInt();
    buf.getInt();
    if ((errorLength < 0) || (errorLength > PackedBuffer.MAX_HRPC_ERROR_LENGTH)) {
        throw new IOException("Got server error with invalid length " + errorLength);
    } else if (errorLength > 0) {
        buf.clear();
        buf.limit(errorLength);
        doRecv(sockKey, buf);
        buf.flip();
        CharBuffer charBuf = StandardCharsets.UTF_8.decode(buf);
        String serverErrorStr = charBuf.toString();
        throw new IOException("Got server error " + serverErrorStr);
    }
}

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

public MapReply deserialize(ByteBuffer replyBuffer) {
    MapReplyBuilder builder = new MapReplyBuilder();
    byte typeAndFlags = replyBuffer.get();
    builder.setProbe(ByteUtil.extractBit(typeAndFlags, Flags.PROBE));
    builder.setEchoNonceEnabled(ByteUtil.extractBit(typeAndFlags, Flags.ECHO_NONCE_ENABLED));
    builder.setSecurityEnabled(ByteUtil.extractBit(typeAndFlags, Flags.SECURITY_ENABLED));
    replyBuffer.getShort();/*from w ww  .ja  v a  2 s  . c  o m*/
    int recordCount = ByteUtil.getUnsignedByte(replyBuffer);
    builder.setNonce(replyBuffer.getLong());
    builder.setEidToLocatorRecord(new ArrayList<EidToLocatorRecord>());
    for (int i = 0; i < recordCount; i++) {
        builder.getEidToLocatorRecord().add(new EidToLocatorRecordBuilder(
                EidToLocatorRecordSerializer.getInstance().deserialize(replyBuffer)).build());
    }

    return builder.build();
}

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

public MapReply deserialize(ByteBuffer replyBuffer) {
    MapReplyBuilder builder = new MapReplyBuilder();
    byte typeAndFlags = replyBuffer.get();
    builder.setProbe(ByteUtil.extractBit(typeAndFlags, Flags.PROBE));
    builder.setEchoNonceEnabled(ByteUtil.extractBit(typeAndFlags, Flags.ECHO_NONCE_ENABLED));
    builder.setSecurityEnabled(ByteUtil.extractBit(typeAndFlags, Flags.SECURITY_ENABLED));
    replyBuffer.getShort();//  w  w  w  . j  a va2  s  . co m
    int recordCount = ByteUtil.getUnsignedByte(replyBuffer);
    builder.setNonce(replyBuffer.getLong());
    builder.setMappingRecordItem(new ArrayList<MappingRecordItem>());
    for (int i = 0; i < recordCount; i++) {
        builder.getMappingRecordItem().add(new MappingRecordItemBuilder()
                .setMappingRecord(MappingRecordSerializer.getInstance().deserialize(replyBuffer)).build());
    }

    return builder.build();
}

From source file:org.cosmo.common.util.Util.java

public static long shortsToLong2(short[] shorts) {
    ByteBuffer b = ByteBuffer.allocate(8);
    b.putShort(shorts[0]);//from  w w w  .ja  v  a 2s  . co  m
    b.putShort(shorts[1]);
    b.putShort(shorts[2]);
    b.putShort(shorts[3]);
    b.rewind();
    return b.getLong();
}

From source file:com.srotya.monitoring.kafka.util.KafkaConsumerOffsetUtil.java

private long readOffsetMessageValue(ByteBuffer buffer) {
    buffer.getShort(); // read and ignore version
    long offset = buffer.getLong();
    return offset;
}

From source file:com.hortonworks.registries.schemaregistry.serdes.avro.AvroSnapshotDeserializer.java

protected SchemaIdVersion retrieveSchemaIdVersion(InputStream payloadInputStream) throws SerDesException {
    // it can be enhanced to have respective protocol handlers for different versions
    // first byte is protocol version/id.
    // protocol format:
    // 1 byte  : protocol version
    // 8 bytes : schema metadata Id
    // 4 bytes : schema version
    ByteBuffer byteBuffer = ByteBuffer.allocate(13);
    try {/*  w  w w.  j  av a  2 s  .c o  m*/
        payloadInputStream.read(byteBuffer.array());
    } catch (IOException e) {
        throw new SerDesException(e);
    }

    byte protocolId = byteBuffer.get();
    if (protocolId != AvroSchemaProvider.CURRENT_PROTOCOL_VERSION) {
        throw new SerDesException(
                "Unknown protocol id [" + protocolId + "] received while deserializing the payload");
    }
    long schemaMetadataId = byteBuffer.getLong();
    int schemaVersion = byteBuffer.getInt();

    return new SchemaIdVersion(schemaMetadataId, schemaVersion);
}

From source file:com.sm.connector.server.ServerStore.java

protected Pair<byte[], byte[]> next(int current, ByteBuffer buf) throws IOException {
    buf.clear();// ww  w.ja va  2 s  .  c o m
    long pos = OFFSET + (long) current * RECORD_SIZE;
    indexChannel.read(buf, pos);
    buf.rewind();
    byte status = buf.get();
    if (isDeleted(status)) {
        return null;
    } else {
        long keyLen = buf.getLong();
        byte[] keys = readChannel(keyLen, keyChannel);
        long data = buf.getLong();
        long block2version = buf.getLong();
        CacheBlock block = new CacheBlock(current, data, block2version, status);
        if (block.getDataOffset() <= 0 || block.getDataLen() <= 0
                || block.getBlockSize() < block.getDataLen()) {
            throw new StoreException("data reading error");
        } else {
            //Key key = toKey(keys);
            byte[] datas = readChannel(block.getDataOffset2Len(), dataChannel);
            return new Pair(keys, datas);
        }
    }
}

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

/**
 * @param bbuf/*from  ww w.  j  av a 2 s  . co m*/
 * @throws UnsupportedEncodingException
 * @throws UnknownHostException
 */
public AcceptReplyPacket(ByteBuffer bbuf) throws UnsupportedEncodingException, UnknownHostException {
    super(bbuf);
    int paxosIDLength = this.getPaxosID().getBytes(CHARSET).length;
    assert (bbuf.position() == SIZEOF_PAXOSPACKET_FIXED + paxosIDLength);
    this.acceptor = bbuf.getInt();
    this.ballot = new Ballot(bbuf.getInt(), bbuf.getInt());
    this.slotNumber = bbuf.getInt();
    this.maxCheckpointedSlot = bbuf.getInt();
    this.requestID = bbuf.getLong();
    if (bbuf.get() == (byte) 1)
        this.setDigestRequest();
    assert (bbuf.position() == SIZEOF_PAXOSPACKET_FIXED + paxosIDLength + SIZEOF_ACCEPTREPLY) : bbuf.position()
            + " != [" + SIZEOF_PAXOSPACKET_FIXED + " + " + paxosIDLength + " + " + SIZEOF_ACCEPTREPLY + "]";
}