Example usage for java.io DataInputStream readLong

Introduction

In this page you can find the example usage for java.io DataInputStream readLong.

Prototype

public final long readLong() throws IOException 

Source Link

Document

See the general contract of the readLong method of DataInput.

Usage

From source file:gridool.util.xfer.TransferUtils.java

public static void send(@Nonnull final FastByteArrayOutputStream data, @Nonnull final String fileName,
        @Nullable final String writeDirPath, @Nonnull final InetAddress dstAddr, final int dstPort,
        final boolean append, final boolean sync, @Nullable final TransferClientHandler handler)
        throws IOException {
    final SocketAddress dstSockAddr = new InetSocketAddress(dstAddr, dstPort);
    SocketChannel channel = null;
    Socket socket = null;/*from w  w w  .j  a  v  a2s .c  o m*/
    final OutputStream out;
    try {
        channel = SocketChannel.open();
        socket = channel.socket();
        socket.connect(dstSockAddr);
        out = socket.getOutputStream();
    } catch (IOException e) {
        LOG.error("failed to connect: " + dstSockAddr, e);
        IOUtils.closeQuietly(channel);
        NetUtils.closeQuietly(socket);
        throw e;
    }

    DataInputStream din = null;
    if (sync) {
        InputStream in = socket.getInputStream();
        din = new DataInputStream(in);
    }
    final DataOutputStream dos = new DataOutputStream(out);
    final StopWatch sw = new StopWatch();
    try {
        IOUtils.writeString(fileName, dos);
        IOUtils.writeString(writeDirPath, dos);
        long nbytes = data.size();
        dos.writeLong(nbytes);
        dos.writeBoolean(append);
        dos.writeBoolean(sync);
        if (handler == null) {
            dos.writeBoolean(false);
        } else {
            dos.writeBoolean(true);
            handler.writeAdditionalHeader(dos);
        }

        // send file using zero-copy send
        data.writeTo(out);

        if (LOG.isDebugEnabled()) {
            LOG.debug("Sent a file data '" + fileName + "' of " + nbytes + " bytes to " + dstSockAddr.toString()
                    + " in " + sw.toString());
        }

        if (sync) {// receive ack in sync mode
            long remoteRecieved = din.readLong();
            if (remoteRecieved != nbytes) {
                throw new IllegalStateException(
                        "Sent " + nbytes + " bytes, but remote node received " + remoteRecieved + " bytes");
            }
        }
    } catch (FileNotFoundException e) {
        LOG.error(PrintUtils.prettyPrintStackTrace(e, -1));
        throw e;
    } catch (IOException e) {
        LOG.error(PrintUtils.prettyPrintStackTrace(e, -1));
        throw e;
    } finally {
        IOUtils.closeQuietly(din, dos);
        IOUtils.closeQuietly(channel);
        NetUtils.closeQuietly(socket);
    }
}

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From source file:org.csc.phynixx.loggersystem.logrecord.XADataLogger.java

private long recoverMessageSequenceId(byte[] bytes) {
    byte[] headerData = bytes;
    DataInputStream io = new DataInputStream(new ByteArrayInputStream(headerData));
    try {//  w w  w  .j  av a2s. c om
        long messageSequenceId = io.readLong();
        return messageSequenceId;
    } catch (IOException e) {
        throw new DelegatedRuntimeException(e);
    }
}

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From source file:ch.scythe.hsr.api.TimeTableAPI.java

private Date getCacheTimestamp() throws RequestException {
    Date cacheTimestamp = null;// w  w w  .j  a  va 2 s.  c  om
    DataInputStream inputStream = null;
    try {
        inputStream = new DataInputStream(context.openFileInput(TIMETABLE_CACHE_TIMESTAMP));
        cacheTimestamp = new Date(inputStream.readLong());
    } catch (FileNotFoundException e) {
        throw new RequestException(e);
    } catch (IOException e) {
        throw new RequestException(e);
    } finally {
        safeCloseStream(inputStream);
    }
    return cacheTimestamp;
}

---

From source file:com.serenegiant.media.TLMediaEncoder.java

static TLMediaFrameHeader readHeader(final DataInputStream in, final TLMediaFrameHeader header)
        throws IOException {
    header.size = 0;//from   ww w  . ja  v a2  s  .  co m
    header.sequence = in.readInt();
    header.frameNumber = in.readInt(); // frame number
    header.presentationTimeUs = in.readLong();
    header.size = in.readInt();
    header.flags = in.readInt();
    in.skipBytes(40); // long x 5
    return header;
}

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From source file:org.apache.cassandra.db.ReadCommand.java

public ReadCommand deserialize(DataInputStream dis) throws IOException {
    String table = dis.readUTF();
    String key = dis.readUTF();/*from www . ja va 2s  .com*/
    String columnFamily_column = dis.readUTF();
    int start = dis.readInt();
    int count = dis.readInt();
    long sinceTimestamp = dis.readLong();
    boolean isDigest = dis.readBoolean();

    int size = dis.readInt();
    List<String> columns = new ArrayList<String>();
    for (int i = 0; i < size; ++i) {
        byte[] bytes = new byte[dis.readInt()];
        dis.readFully(bytes);
        columns.add(new String(bytes));
    }
    ReadCommand rm = null;
    if (columns.size() > 0) {
        rm = new ReadCommand(table, key, columnFamily_column, columns);
    } else if (sinceTimestamp > 0) {
        rm = new ReadCommand(table, key, columnFamily_column, sinceTimestamp);
    } else {
        rm = new ReadCommand(table, key, columnFamily_column, start, count);
    }
    rm.setDigestQuery(isDigest);
    return rm;
}

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From source file:pcap.application.PcapApplicationTest.java

/**
 * Test PcapApplication with little endian on entrency.
 * @throws java.lang.Exception/*from  w  ww .  j a  va 2s  .  c  o m*/
 */
@Test
public void testPcapApplicationLittleEndian() throws Exception {
    System.out.println("Test resulting pcap file with little endian");
    String pcapName = "testPcap" + PCAP_EX;
    String resultingPcapName = "test" + PCAP_EX;

    File pcap = createTempPCapLittleEndian(pcapName);

    final File resultingPcap = tempFolder.newFile(resultingPcapName);

    String[] myArgs = { OPTION_F, pcap.getAbsolutePath(), resultingPcap.getAbsolutePath() };

    PcapCommandLineParser parser = new PcapCommandLineParser(myArgs);

    ApplicationHandler handler = new ApplicationHandler(parser.getOutFile());
    PCapImportTask importTask = PCapHelper.createImportTask(parser.getInFile(), handler);
    importTask.init();

    while (!importTask.isFinished()) {
        importTask.processNext();
    }

    long[] expBin = { 0xa1b2c3d400020004L, 0x0000000000000000L, 0x0000ffff00000001L, 0x42c23479000871cdL,
            0x000000080000004bL, 0x1234ffff0000121aL };

    DataInputStream inputStream = new DataInputStream(new FileInputStream(resultingPcap));
    int count = inputStream.available() / 8;
    long[] b = new long[count];

    for (int i = 0; i < count; i++) {
        b[i] = inputStream.readLong();
    }

    assertTrue(Arrays.equals(b, expBin));

}

---

From source file:pcap.application.PcapApplicationTest.java

/**
 * Test PcapApplication with big endian on entrency.
 * @throws Exception //from  w  w w .  j  ava 2 s  .co m
 */
@Test
public void testPcapApplicationBigEndian() throws Exception {
    System.out.println("Test resulting pcap file with big endian");
    String pcapName = "testPcap" + PCAP_EX;
    String resultingPcapName = "test" + PCAP_EX;

    File pcap = createTempPCapBigEndian(pcapName);

    final File resultingPcap = tempFolder.newFile(resultingPcapName);

    String[] myArgs = { OPTION_F, pcap.getAbsolutePath(), resultingPcap.getAbsolutePath() };

    PcapCommandLineParser parser = new PcapCommandLineParser(myArgs);

    ApplicationHandler handler = new ApplicationHandler(parser.getOutFile());
    PCapImportTask importTask = PCapHelper.createImportTask(parser.getInFile(), handler);
    importTask.init();

    while (!importTask.isFinished()) {
        importTask.processNext();
    }

    long[] expBin = { 0xa1b2c3d400020004L, 0x0000000000000000L, 0x0000ffff00000001L, 0x42c23479000871cdL,
            0x000000080000004bL, 0x1234ffff0000121aL };

    DataInputStream inputStream = new DataInputStream(new FileInputStream(resultingPcap));
    int count = inputStream.available() / 8;
    long[] b = new long[count];

    for (int i = 0; i < count; i++) {
        b[i] = inputStream.readLong();
        System.out.println(Long.toHexString(b[i]));
    }

    assertTrue(Arrays.equals(b, expBin));

}

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From source file:com.quigley.zabbixj.agent.active.ActiveThread.java

private JSONObject getResponse(byte[] responseBytes) throws Exception {
    byte[] sizeBuffer = new byte[8];
    int index = 0;
    for (int i = 12; i > 4; i--) {
        sizeBuffer[index++] = responseBytes[i];
    }/*ww w.  j a  v  a 2s  .  com*/
    ByteArrayInputStream bais = new ByteArrayInputStream(sizeBuffer);
    DataInputStream dis = new DataInputStream(bais);
    long size = dis.readLong();
    dis.close();
    bais.close();

    byte[] jsonBuffer = new byte[responseBytes.length - 13];
    if (jsonBuffer.length != size) {
        throw new ZabbixException("Reported and actual buffer sizes differ!");
    }

    index = 0;
    for (int i = 13; i < responseBytes.length; i++) {
        jsonBuffer[index++] = responseBytes[i];
    }

    JSONObject response = new JSONObject(new String(jsonBuffer));

    return response;
}

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From source file:org.structr.core.graph.SyncCommand.java

private static Object readObject(final DataInputStream inputStream, final byte type) throws IOException {

    switch (type) {

    case 0:/*from   w  w  w.  j  a  va  2  s .co m*/
    case 1:
        return inputStream.readByte();

    case 2:
    case 3:
        return inputStream.readShort();

    case 4:
    case 5:
        return inputStream.readInt();

    case 6:
    case 7:
        return inputStream.readLong();

    case 8:
    case 9:
        return inputStream.readFloat();

    case 10:
    case 11:
        return inputStream.readDouble();

    case 12:
    case 13:
        return inputStream.readChar();

    case 14:
    case 15:
        return new String(deserializeData(inputStream), "UTF-8");

    // this doesn't work with very long strings
    //return inputStream.readUTF();

    case 16:
    case 17:
        return inputStream.readBoolean();
    }

    return null;
}

---

From source file:com.facebook.infrastructure.db.Column.java

public void skip(DataInputStream dis) throws IOException {
    /* read the column name */
    dis.readUTF();//from   www  . java 2 s  .  c om
    /* boolean indicating if the column is deleted */
    dis.readBoolean();
    /* timestamp associated with the column */
    dis.readLong();
    /* size of the column */
    int size = dis.readInt();
    dis.skip(size);
}

---

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