Example usage for io.netty.buffer ByteBuf readableBytes

List of usage examples for io.netty.buffer ByteBuf readableBytes

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readableBytes.

Prototype

public abstract int readableBytes();

Source Link

Document

Returns the number of readable bytes which is equal to (this.writerIndex - this.readerIndex) .

Usage

From source file:com.friz.lobby.network.codec.LoginDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (!buf.isReadable())
        return;//from   ww  w .j a v  a  2s .com

    int type = buf.readUnsignedByte();
    int size = buf.readUnsignedShort();

    if (!buf.isReadable(size))
        return;

    int major = buf.readInt();
    int minor = buf.readInt();

    int rsaSize = buf.readUnsignedShort();
    byte[] rsa = new byte[rsaSize];
    buf.readBytes(rsa);

    ByteBuf rsaBuf = Unpooled.wrappedBuffer(
            new BigInteger(rsa).modPow(Constants.LOGIN_EXPONENT, Constants.LOGIN_MODULUS).toByteArray());
    int rsaMagic = rsaBuf.readUnsignedByte();

    int[] key = new int[4];
    for (int i = 0; i < key.length; i++)
        key[i] = rsaBuf.readInt();

    int block = rsaBuf.readUnsignedByte();

    if (block == 1 || block == 3) {
        int code = rsaBuf.readUnsignedMedium();
        rsaBuf.readerIndex(rsaBuf.readerIndex() + 1);
        System.out.println(new GoogleAuthenticator().authorize("OE2ZSYF6T7N2R5CG", code));
    } else if (block == 0) {
        int trusted = rsaBuf.readInt();
    } else if (block == 2) {
        rsaBuf.readerIndex(rsaBuf.readerIndex() + 4);
    }

    String password = BufferUtils.getString(rsaBuf);

    long serverKey = rsaBuf.readLong();
    long clientKey = rsaBuf.readLong();

    byte[] xtea = new byte[buf.readableBytes()];
    buf.readBytes(xtea);
    ByteBuf xteaBuf = Unpooled.wrappedBuffer(new XTEA(xtea).decrypt(key).toByteArray());

    String username = "";
    boolean asString = xteaBuf.readBoolean();
    if (asString)
        username = BufferUtils.getString(xteaBuf);
    else
        username = BufferUtils.getBase37(xteaBuf);

    int game = xteaBuf.readUnsignedByte();
    int lang = xteaBuf.readUnsignedByte();
    int display = xteaBuf.readUnsignedByte();
    int width = xteaBuf.readUnsignedShort();
    int height = xteaBuf.readUnsignedShort();

    int multisample = xteaBuf.readByte();

    byte[] uid = new byte[24];
    for (int i = 0; i < uid.length; i++)
        uid[i] = xteaBuf.readByte();

    String token = BufferUtils.getString(xteaBuf);

    int prefSize = xteaBuf.readUnsignedByte();
    int prefVersion = xteaBuf.readUnsignedByte();
    int aPref = xteaBuf.readUnsignedByte();
    int antiAliasing = xteaBuf.readUnsignedByte();
    int aPref1 = xteaBuf.readUnsignedByte();
    int bloom = xteaBuf.readUnsignedByte();
    int brightness = xteaBuf.readUnsignedByte();
    int buildArea = xteaBuf.readUnsignedByte();
    int aPref2 = xteaBuf.readUnsignedByte();
    int flickeringEffects = xteaBuf.readUnsignedByte();
    int fog = xteaBuf.readUnsignedByte();
    int groundBlending = xteaBuf.readUnsignedByte();
    int groundDecoration = xteaBuf.readUnsignedByte();
    int idleAnimations = xteaBuf.readUnsignedByte();
    int lighting = xteaBuf.readUnsignedByte();
    int sceneryShadows = xteaBuf.readUnsignedByte();
    int aPref3 = xteaBuf.readUnsignedByte();
    int nullPref = xteaBuf.readUnsignedByte();
    int orthoMode = xteaBuf.readUnsignedByte();
    int particles = xteaBuf.readUnsignedByte();
    int removeRoofs = xteaBuf.readUnsignedByte();
    int maxScreenSize = xteaBuf.readUnsignedByte();
    int skyboxes = xteaBuf.readUnsignedByte();
    int mobShadows = xteaBuf.readUnsignedByte();
    int textures = xteaBuf.readUnsignedByte();
    int desiredToolkit = xteaBuf.readUnsignedByte();
    int nullPref1 = xteaBuf.readUnsignedByte();
    int water = xteaBuf.readUnsignedByte();
    int screenSize = xteaBuf.readUnsignedByte();
    int customCursors = xteaBuf.readUnsignedByte();
    int graphics = xteaBuf.readUnsignedByte();
    int cpu = xteaBuf.readUnsignedByte();
    int aPref4 = xteaBuf.readUnsignedByte();
    int safeMode = xteaBuf.readUnsignedByte();
    int aPref5 = xteaBuf.readUnsignedByte();
    int aPref6 = xteaBuf.readUnsignedByte();
    int aPref7 = xteaBuf.readUnsignedByte();
    int soundEffectsVolume = xteaBuf.readUnsignedByte();
    int areaSoundsVolume = xteaBuf.readUnsignedByte();
    int voiceOverVolume = xteaBuf.readUnsignedByte();
    int musicVolume = xteaBuf.readUnsignedByte();
    int themeMusicVolume = xteaBuf.readUnsignedByte();
    int steroSound = xteaBuf.readUnsignedByte();

    int infoVersion = xteaBuf.readUnsignedByte();
    int osType = xteaBuf.readUnsignedByte();
    boolean arch64 = xteaBuf.readBoolean();
    int versionType = xteaBuf.readUnsignedByte();
    int vendorType = xteaBuf.readUnsignedByte();
    int jMajor = xteaBuf.readUnsignedByte();
    int jMinor = xteaBuf.readUnsignedByte();
    int jPatch = xteaBuf.readUnsignedByte();
    boolean falseBool = xteaBuf.readBoolean();
    int heapSize = xteaBuf.readUnsignedShort();
    int pocessorCount = xteaBuf.readUnsignedByte();
    int cpuPhyscialMemory = xteaBuf.readUnsignedMedium();
    int cpuClock = xteaBuf.readUnsignedShort();
    String gpuName = BufferUtils.getJagString(xteaBuf);
    String aString = BufferUtils.getJagString(xteaBuf);
    String dxVersion = BufferUtils.getJagString(xteaBuf);
    String aString1 = BufferUtils.getJagString(xteaBuf);
    int gpuDriverMonth = xteaBuf.readUnsignedByte();
    int gpuDriverYear = xteaBuf.readUnsignedShort();
    String cpuType = BufferUtils.getJagString(xteaBuf);
    String cpuName = BufferUtils.getJagString(xteaBuf);
    int cpuThreads = xteaBuf.readUnsignedByte();
    int anInt = xteaBuf.readUnsignedByte();
    int anInt1 = xteaBuf.readInt();
    int anInt2 = xteaBuf.readInt();
    int anInt3 = xteaBuf.readInt();
    int anInt4 = xteaBuf.readInt();
    String aString2 = BufferUtils.getJagString(xteaBuf);

    int anInt5 = xteaBuf.readInt();
    String aString3 = BufferUtils.getString(xteaBuf);
    int affiliate = xteaBuf.readInt();
    int anInt6 = xteaBuf.readInt();
    String aString4 = BufferUtils.getString(xteaBuf);
    int anInt7 = xteaBuf.readUnsignedByte();

    int[] checksums = new int[(xteaBuf.readableBytes() / 4) + 1];
    for (int i = 0; i < checksums.length; i++) {
        if (i == 32)
            checksums[i] = -1;
        else
            checksums[i] = xteaBuf.readInt();
    }

    final List<Module> modules = new ArrayList<>();
    modules.add(new ClientVersionModule(major, minor));
    modules.add(new ClientTypeModule(game, lang, display, width, height));
    out.add(new LoginRequestEvent(modules));
}

From source file:com.friz.lobby.network.codec.SocialDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    if (!buf.isReadable())
        return;//w  ww .  j a va 2  s . c  om

    int type = buf.readUnsignedByte();
    int size = buf.readUnsignedShort();

    if (!buf.isReadable(size))
        return;

    byte[] xtea = new byte[size];
    buf.readBytes(xtea);
    ByteBuf xteaBuf = Unpooled.wrappedBuffer(new XTEA(xtea).decrypt(key).toByteArray());

    int game = xteaBuf.readUnsignedByte();
    int lang = xteaBuf.readUnsignedByte();
    int display = xteaBuf.readUnsignedByte();
    int width = xteaBuf.readUnsignedShort();
    int height = xteaBuf.readUnsignedShort();

    int multisample = xteaBuf.readByte();

    byte[] uid = new byte[24];
    for (int i = 0; i < uid.length; i++)
        uid[i] = xteaBuf.readByte();

    String gameToken = BufferUtils.getString(xteaBuf);

    int prefSize = xteaBuf.readUnsignedByte();
    int prefVersion = xteaBuf.readUnsignedByte();
    int aPref = xteaBuf.readUnsignedByte();
    int antiAliasing = xteaBuf.readUnsignedByte();
    int aPref1 = xteaBuf.readUnsignedByte();
    int bloom = xteaBuf.readUnsignedByte();
    int brightness = xteaBuf.readUnsignedByte();
    int buildArea = xteaBuf.readUnsignedByte();
    int aPref2 = xteaBuf.readUnsignedByte();
    int flickeringEffects = xteaBuf.readUnsignedByte();
    int fog = xteaBuf.readUnsignedByte();
    int groundBlending = xteaBuf.readUnsignedByte();
    int groundDecoration = xteaBuf.readUnsignedByte();
    int idleAnimations = xteaBuf.readUnsignedByte();
    int lighting = xteaBuf.readUnsignedByte();
    int sceneryShadows = xteaBuf.readUnsignedByte();
    int aPref3 = xteaBuf.readUnsignedByte();
    int nullPref = xteaBuf.readUnsignedByte();
    int orthoMode = xteaBuf.readUnsignedByte();
    int particles = xteaBuf.readUnsignedByte();
    int removeRoofs = xteaBuf.readUnsignedByte();
    int maxScreenSize = xteaBuf.readUnsignedByte();
    int skyboxes = xteaBuf.readUnsignedByte();
    int mobShadows = xteaBuf.readUnsignedByte();
    int textures = xteaBuf.readUnsignedByte();
    int desiredToolkit = xteaBuf.readUnsignedByte();
    int nullPref1 = xteaBuf.readUnsignedByte();
    int water = xteaBuf.readUnsignedByte();
    int screenSize = xteaBuf.readUnsignedByte();
    int customCursors = xteaBuf.readUnsignedByte();
    int graphics = xteaBuf.readUnsignedByte();
    int cpu = xteaBuf.readUnsignedByte();
    int aPref4 = xteaBuf.readUnsignedByte();
    int safeMode = xteaBuf.readUnsignedByte();
    int aPref5 = xteaBuf.readUnsignedByte();
    int aPref6 = xteaBuf.readUnsignedByte();
    int aPref7 = xteaBuf.readUnsignedByte();
    int soundEffectsVolume = xteaBuf.readUnsignedByte();
    int areaSoundsVolume = xteaBuf.readUnsignedByte();
    int voiceOverVolume = xteaBuf.readUnsignedByte();
    int musicVolume = xteaBuf.readUnsignedByte();
    int themeMusicVolume = xteaBuf.readUnsignedByte();
    int steroSound = xteaBuf.readUnsignedByte();
    xteaBuf.readMedium();
    xteaBuf.readMedium();

    int infoVersion = xteaBuf.readUnsignedByte();
    int osType = xteaBuf.readUnsignedByte();
    boolean arch64 = xteaBuf.readBoolean();
    int versionType = xteaBuf.readUnsignedByte();
    int vendorType = xteaBuf.readUnsignedByte();
    int jMajor = xteaBuf.readUnsignedByte();
    int jMinor = xteaBuf.readUnsignedByte();
    int jPatch = xteaBuf.readUnsignedByte();
    boolean falseBool = xteaBuf.readBoolean();
    int heapSize = xteaBuf.readUnsignedShort();
    int pocessorCount = xteaBuf.readUnsignedByte();
    int cpuPhyscialMemory = xteaBuf.readUnsignedMedium();
    int cpuClock = xteaBuf.readUnsignedShort();
    String gpuName = BufferUtils.getJagString(xteaBuf);
    String aString = BufferUtils.getJagString(xteaBuf);
    String dxVersion = BufferUtils.getJagString(xteaBuf);
    String aString1 = BufferUtils.getJagString(xteaBuf);
    int gpuDriverMonth = xteaBuf.readUnsignedByte();
    int gpuDriverYear = xteaBuf.readUnsignedShort();
    String cpuType = BufferUtils.getJagString(xteaBuf);
    String cpuName = BufferUtils.getJagString(xteaBuf);
    int cpuThreads = xteaBuf.readUnsignedByte();
    int anInt = xteaBuf.readUnsignedByte();
    int anInt1 = xteaBuf.readInt();
    int anInt2 = xteaBuf.readInt();
    int anInt3 = xteaBuf.readInt();
    int anInt4 = xteaBuf.readInt();
    String aString2 = BufferUtils.getJagString(xteaBuf);

    int anInt5 = xteaBuf.readInt();
    String seed = BufferUtils.getString(xteaBuf);
    int affiliate = xteaBuf.readInt();
    int anInt6 = xteaBuf.readInt();
    String updateToken = BufferUtils.getString(xteaBuf);
    int anInt7 = xteaBuf.readUnsignedByte();

    int[] checksums = new int[(xteaBuf.readableBytes() / 4) + 1];
    for (int i = 0; i < checksums.length; i++) {
        if (i == 32)
            checksums[i] = -1;
        else
            checksums[i] = xteaBuf.readInt();
    }

    System.out.println(seed);
}

From source file:com.friz.update.network.codec.UpdateEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, FileResponseEvent msg, ByteBuf buffer) throws Exception {
    ByteBuf container = msg.getContainer();
    int type = msg.getType();
    int file = msg.getFile();

    if (!msg.isPriority())
        file |= 0x80000000;/*from   w  ww.j a  v a  2  s  . c  o m*/

    buffer.writeByte(type);
    buffer.writeInt(file);

    int bytes = container.readableBytes();
    if (bytes > BYTES_AFTER_HEADER)
        bytes = BYTES_AFTER_HEADER;

    buffer.writeBytes(container.readBytes(bytes));

    for (;;) {
        bytes = container.readableBytes();
        if (bytes == 0)
            break;
        else if (bytes > BYTES_AFTER_HEADER)
            bytes = BYTES_AFTER_HEADER;

        buffer.writeByte(type);
        buffer.writeInt(file);
        buffer.writeBytes(container.readBytes(bytes));
    }
}

From source file:com.friz.update.network.UpdateSessionContext.java

License:Open Source License

/**
 * Processes the file requests.//from   w  ww  .  j a v  a 2  s  .co m
 * @throws IOException The exception thrown if an i/o error occurs.
 */
public void processFileQueue() {
    FileRequestEvent request;
    synchronized (fileQueue) {
        request = fileQueue.pop();
        if (fileQueue.isEmpty()) {
            idle = true;
        } else {
            service.addUpdateContext(this);
            idle = false;
        }
    }
    if (request != null) {
        int type = request.getType();
        int file = request.getFile();
        ByteBuf buf;
        try {
            if (type == 255 && file == 255) {
                buf = Unpooled.wrappedBuffer(server.getCache().getChecksum());
            } else {
                buf = Unpooled.wrappedBuffer(server.getCache().getStore().read(type, file));
                if (type != 255)
                    buf = buf.slice(0, buf.readableBytes() - 2);
            }
            channel.writeAndFlush(new FileResponseEvent(request.isPriority(), type, file, buf));
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:com.github.jrialland.ajpclient.impl.ForwardImpl.java

License:Apache License

@Override
public void handleSendBodyChunkMessage(final ByteBuf data) throws Exception {
    data.readBytes(response.getOutputStream(), data.readableBytes());
}

From source file:com.github.jrialland.ajpclient.impl.handlers.OutgoingFramesLogger.java

License:Apache License

@Override
public void write(final ChannelHandlerContext ctx, final Object msg, final ChannelPromise promise)
        throws Exception {

    if (msg == null) {
        getLog().debug(">>> (null)");
    } else if (msg instanceof ByteBuf) {

        final ByteBuf buf = (ByteBuf) msg;
        buf.markReaderIndex();/*from ww  w. j a  va 2s .  co m*/

        final byte[] data = new byte[buf.readableBytes()];
        buf.readBytes(data);
        getLog().debug(">>> " + bytesToHex(data));

        buf.resetReaderIndex();

    } else {
        getLog().debug(">>> " + msg.toString());
    }

    // pass to the next handler in the chain
    super.write(ctx, msg, promise);
}

From source file:com.github.lburgazzoli.quickfixj.transport.netty.codec.NettyMessageDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (m_msgLength == -1) {
        if (in.readableBytes() >= FIXCodecHelper.MSG_MIN_BYTES) {
            int ridx = in.readerIndex();
            int bssohidx = in.indexOf(ridx, ridx + 12, FIXCodecHelper.BYTE_SOH);
            int blsohidx = in.indexOf(ridx + 12, ridx + 20, FIXCodecHelper.BYTE_SOH);

            // check the existence of:
            // - BeginString 8=
            // - BodyLength  9=
            if (in.getByte(ridx) == FIXCodecHelper.BYTE_BEGIN_STRING
                    && in.getByte(ridx + 1) == FIXCodecHelper.BYTE_EQUALS
                    && in.getByte(bssohidx + 1) == FIXCodecHelper.BYTE_BODY_LENGTH
                    && in.getByte(bssohidx + 2) == FIXCodecHelper.BYTE_EQUALS) {

                int bodyLength = 0;
                for (int i = bssohidx + 3; i < blsohidx; i++) {
                    bodyLength *= 10;//from w  w  w. j  av  a2s .  c o  m
                    bodyLength += (in.getByte(i) - '0');
                }

                m_msgLength = 1 + bodyLength + (blsohidx - ridx) + FIXCodecHelper.MSG_CSUM_LEN;
            } else {
                throw new Error("Unexpected state (header)");
            }
        }
    }

    if (m_msgLength != -1 && in.readableBytes() >= m_msgLength) {
        if (in.readableBytes() >= m_msgLength) {
            byte[] rv = new byte[m_msgLength];
            in.readBytes(rv);

            //TODO: validate checksum
            out.add(rv);

            m_msgLength = -1;
        } else {
            throw new Error("Unexpected state (body)");
        }
    }
}

From source file:com.github.lburgazzoli.quickfixj.transport.netty.codec.NettyRegExMessageDecoder.java

License:Apache License

/**
 *
 * @param ctx//from w  w  w.  j a  v a  2 s.  c  o m
 * @param in
 * @param out
 * @return
 * @throws Exception
 */
@Override
public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() >= FIXCodecHelper.MSG_MIN_BYTES) {
        Object data = doDecodeBuffer(in);
        if (data != null) {
            out.add(data);
        }
    }
}

From source file:com.github.milenkovicm.kafka.CrcTest.java

License:Apache License

long calculateCrc(ByteBuf messageSet) {
    crc.reset();/*from w  w w  . j a  v a  2 s .c o m*/
    for (int i = 0; i < messageSet.readableBytes(); i++) {
        crc.update(messageSet.getByte(i));
    }
    return crc.getValue();
}

From source file:com.github.milenkovicm.kafka.CrcTest.java

License:Apache License

long calculateJCrc(ByteBuf messageSet) {
    jcrc.reset();//  ww  w  .jav a 2 s . c  o  m

    int readableBytes = messageSet.readableBytes();
    int bufferLength = buffer.length;
    int position = 0;

    while (position < readableBytes) {
        int length = readableBytes - position >= bufferLength ? bufferLength : readableBytes - position;
        messageSet.getBytes(position, buffer, 0, length);
        jcrc.update(buffer, 0, length);

        position += bufferLength;
    }
    return jcrc.getValue();
}