Example usage for io.netty.buffer ByteBuf readInt

Introduction

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

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.eightkdata.mongowp.server.decoder.QueryMessageDecoder.java

License:Open Source License

@Override
public QueryMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage) throws MongoException {

    try {/*from   ww w .ja  v a  2  s  . co  m*/
        MyBsonContext bsonContext = new MyBsonContext(buffer);

        int flags = buffer.readInt();
        String fullCollectionName = stringReader.readCString(buffer, true);
        final int numberToSkip = buffer.readInt();
        final int numberToReturn = buffer.readInt();

        //TODO: improve the way database and cache are pooled
        QueryMessage.Builder queryBuilder = new Builder(requestBaseMessage, bsonContext,
                getDatabase(fullCollectionName).intern(), getCollection(fullCollectionName).intern(),
                getQueryOptions(flags));

        analyzeDoc(buffer, queryBuilder);

        BsonDocument returnFieldsSelector = null;
        if (buffer.readableBytes() > 0) {
            returnFieldsSelector = docReader.readDocument(HEAP, buffer);
        }

        assert buffer.readableBytes() == 0;

        queryBuilder.setReturnFieldsSelector(returnFieldsSelector).setNumberToReturn(numberToReturn)
                .setNumberToSkip(numberToSkip);

        return queryBuilder.build();
    } catch (BsonDocumentReaderException ex) {
        throw new InvalidBsonException(ex);
    }
}

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From source file:com.eightkdata.mongowp.server.decoder.UpdateMessageDecoder.java

License:Open Source License

@Override
public UpdateMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidNamespaceException, InvalidBsonException {
    try {//ww  w  .  j ava 2  s  . c om
        buffer.skipBytes(4);
        String fullCollectionName = stringReader.readCString(buffer, true);
        int flags = buffer.readInt();
        BsonDocument selector = docReader.readDocument(HEAP, buffer);
        BsonDocument update = docReader.readDocument(HEAP, buffer);

        //TODO: improve the way database and cache are pooled
        return new UpdateMessage(requestBaseMessage, EmptyBsonContext.getInstance(),
                getDatabase(fullCollectionName).intern(), getCollection(fullCollectionName).intern(), selector,
                update, EnumInt32FlagsUtil.isActive(Flag.UPSERT, flags),
                EnumInt32FlagsUtil.isActive(Flag.MULTI_UPDATE, flags));
    } catch (NettyBsonReaderException ex) {
        throw new InvalidBsonException(ex);
    }
}

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From source file:com.eightkdata.mongowp.server.wp.RequestMessageByteHandler.java

License:Open Source License

@Override
protected void decodeLittleEndian(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf,
        List<Object> objects) throws Exception {
    if (byteBuf instanceof EmptyByteBuf) {
        //TODO: This is a workaround. Check how to prevent calling decode on channel inactive
        return;/*from ww  w. j  a va 2  s .com*/
    }

    // Header
    final RequestBaseMessage requestBaseMessage = BaseMessageDecoder.decode(channelHandlerContext, byteBuf);
    byteBuf.skipBytes(Ints.BYTES); // Ignore responseTo field in header
    int requestOpCodeInt = byteBuf.readInt();
    RequestOpCode requestOpCode = RequestOpCode.getByOpcode(requestOpCodeInt);
    if (null == requestOpCode) {
        LOGGER.warn(INVALID_OPCODE_MESSAGE + requestOpCodeInt);
        throw new IllegalOperationException(requestOpCodeInt);
    }

    // Body
    MessageDecoder<?> messageDecoder = decoderLocator.getByOpCode(requestOpCode);
    if (null == messageDecoder) {
        LOGGER.error(OPERATION_NOT_IMPLEMENTED + requestOpCode);
        throw new UnsupportedOperationException(OPERATION_NOT_IMPLEMENTED + requestOpCode);
    }

    objects.add(messageDecoder.decode(byteBuf, requestBaseMessage));
}

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From source file:com.eightkdata.nettybson.mongodriver.MongoBSONDocument.java

License:Open Source License

/**
 * Generates an instance reading from the ByteBuf. Advances the readerIndex of the buffer until the end of the bson
 * @param buffer//from   ww  w.j  ava2 s .  c o m
 */
public MongoBSONDocument(ByteBuf buffer) {
    buffer.markReaderIndex();
    int documentLength = buffer.readInt();
    buffer.resetReaderIndex();
    byte[] bsonBytes = new byte[documentLength];
    buffer.readBytes(bsonBytes);

    BSONDecoder bsonDecoder = new BasicBSONDecoder();
    bson = bsonDecoder.readObject(bsonBytes);
}

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From source file:com.farincorporated.frameutils.client.packet.FrameFieldPacket.java

@Override
public void fromBytes(ByteBuf buf) {
    this.type = ByteBufUtils.readUTF8String(buf);
    this.x = buf.readInt();
    this.y = buf.readInt();
    this.z = buf.readInt();
}

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From source file:com.feihong.newzxclient.tcp.IntLengthDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
    // Wait until the length prefix is available.
    if (in.readableBytes() < 4) {
        //String strError = String.format("Read length data error, in.readableBytes(): %d, length: %d", in.readableBytes(), 4);
        //writeLog(strError);
        return;/* w w w .  j  a va  2  s.c om*/
    }

    in.markReaderIndex();

    // Wait until the whole data is available.
    int dataLength = in.readInt();
    if (in.readableBytes() < dataLength) {
        //String strError = String.format("Read length data error, in.readableBytes(): %d, length: %d", in.readableBytes(), dataLength + 4);
        //writeLog(strError);

        in.resetReaderIndex();
        return;
    }

    // Convert the received data into a new BigInteger.
    byte[] decoded = new byte[dataLength];
    in.readBytes(decoded);

    try {
        Msg.CommonMessage commonMessage = Msg.CommonMessage.parseFrom(decoded);
        out.add(commonMessage);
    } catch (InvalidProtocolBufferException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:com.fireball1725.firecore.common.network.messages.PacketButtonClick.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    this.buttonID = buf.readInt();
    this.blockX = buf.readInt();
    this.blockY = buf.readInt();
    this.blockZ = buf.readInt();
    this.playerUUID = UUID.fromString(ByteBufUtils.readUTF8String(buf));
}

---

From source file:com.fireball1725.firelib.guimaker.util.NetworkHelper.java

License:Open Source License

public static BlockPos readBlockPos(ByteBuf byteBuf) {
    return new BlockPos(byteBuf.readInt(), byteBuf.readInt(), byteBuf.readInt());
}

---

From source file:com.flowpowered.engine.network.codec.ChunkDataCodec.java

License:MIT License

@Override
public ChunkDataMessage decode(ByteBuf buffer) throws IOException {
    final byte info = buffer.readByte();
    final boolean unload = (info & ISUNLOAD) == ISUNLOAD;
    final int x = buffer.readInt();
    final int y = buffer.readInt();
    final int z = buffer.readInt();
    if (unload) {
        return new ChunkDataMessage(x, y, z);
    } else {//from  w ww  .j  a va 2s. c o  m
        int uncompressedSize = INTIAL_DATA_SIZE;
        final byte[] uncompressedData = new byte[uncompressedSize];
        final byte[] compressedData = new byte[buffer.readInt()];
        buffer.readBytes(compressedData);
        Inflater inflater = new Inflater();
        inflater.setInput(compressedData);
        try {
            inflater.inflate(uncompressedData);
        } catch (DataFormatException e) {
            throw new IOException("Error while reading chunk (" + x + "," + y + "," + z + ")!", e);
        }
        inflater.end();

        final int[] blocks = new int[Chunk.BLOCKS.VOLUME];

        int index = 0;
        for (int i = 0; i < blocks.length; ++i) {
            blocks[i] = uncompressedData[index++] | (uncompressedData[index++] << 8)
                    | (uncompressedData[index++] << 16) | (uncompressedData[index++] << 24);
        }

        if (index != uncompressedData.length) {
            throw new IllegalStateException(
                    "Incorrect parse size - actual:" + index + " expected: " + uncompressedData.length);
        }

        return new ChunkDataMessage(x, y, z, blocks);
    }
}

---

From source file:com.flowpowered.engine.network.codec.InputSnapshotCodec.java

License:MIT License

@Override
public InputSnapshotMessage decode(ByteBuf buf) throws IOException {
    List<KeyboardEvent> keyEvents = new LinkedList<>();
    int amount = buf.readInt();
    for (int i = 0; i < amount; i++) {
        keyEvents.add(new KeyboardEvent(buf.readByte(), buf.readBoolean()));
    }//w  ww .  jav  a  2  s  .c o m
    amount = buf.readInt();
    List<MouseEvent> mouseEvents = new LinkedList<>();
    for (int i = 0; i < amount; i++) {
        mouseEvents.add(new MouseEvent(buf.readInt(), buf.readInt(), buf.readInt(), buf.readInt(),
                buf.readInt(), buf.readInt(), buf.readBoolean()));
    }

    return new InputSnapshotMessage(buf.readFloat(), buf.readBoolean(), keyEvents, mouseEvents);
}

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