Example usage for io.netty.buffer ByteBuf skipBytes

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

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Introduction

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

Prototype

public abstract ByteBuf skipBytes(int length);

Source Link

Document

Increases the current readerIndex by the specified length in this buffer.

Usage

From source file:com.eightkdata.mongowp.mongoserver.decoder.KillCursorsMessageDecoder.java

License:Open Source License

@Override
public @Nonnegative KillCursorsMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidMessageException {
    buffer.skipBytes(4);
    int numberOfCursors = buffer.readInt();
    long[] cursorIds = new long[numberOfCursors];
    for (int index = 0; index < numberOfCursors; index++) {
        cursorIds[index] = buffer.readLong();
    }//from w  w  w. j  a va 2 s.co  m

    return new KillCursorsMessage(requestBaseMessage, numberOfCursors, cursorIds);
}

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

License:Open Source License

@Override
public @Nonnegative UpdateMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidMessageException {
    buffer.skipBytes(4);
    String fullCollectionName = ByteBufUtil.readCString(buffer);
    int flags = buffer.readInt();
    BSONDocument selector = new MongoBSONDocument(buffer);
    BSONDocument update = new MongoBSONDocument(buffer);

    return new UpdateMessage(requestBaseMessage, flags, fullCollectionName, selector, update);
}

From source file:com.eightkdata.mongowp.mongoserver.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 www .ja  va 2 s.  co  m
    }

    // Header
    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 InvalidMessageException(INVALID_OPCODE_MESSAGE + requestOpCodeInt);
    }

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

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

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

License:Open Source License

@Override
@Nonnegative//from   ww w  .  j a  v  a2s.c om
public DeleteMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidNamespaceException, InvalidBsonException {
    try {
        MyBsonContext context = new MyBsonContext(buffer);

        buffer.skipBytes(4);
        String fullCollectionName = stringReader.readCString(buffer, true);
        int flags = buffer.readInt();

        BsonDocument document = docReader.readDocument(HEAP, buffer);

        //TODO: improve the way database and cache are pooled
        String database = getDatabase(fullCollectionName).intern();
        String collection = getCollection(fullCollectionName).intern();

        return new DeleteMessage(requestBaseMessage, context, database, collection, document,
                EnumInt32FlagsUtil.isActive(Flag.SINGLE_REMOVE, flags));
    } catch (NettyBsonReaderException ex) {
        throw new InvalidBsonException(ex);
    }
}

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

License:Open Source License

@Override
public GetMoreMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidNamespaceException, InvalidBsonException {
    try {//w  w w.j a  v a2  s  . com
        buffer.skipBytes(4);
        String fullCollectionName = stringReader.readCString(buffer, true);
        int numberToReturn = buffer.readInt();
        long cursorId = buffer.readLong();

        //TODO: improve the way database and cache are pooled
        return new GetMoreMessage(requestBaseMessage, getDatabase(fullCollectionName).intern(),
                getCollection(fullCollectionName).intern(), numberToReturn, cursorId);
    } catch (NettyBsonReaderException ex) {
        throw new InvalidBsonException(ex);
    }
}

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

License:Open Source License

@Override
public KillCursorsMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidNamespaceException {
    buffer.skipBytes(4);
    int numberOfCursors = buffer.readInt();
    long[] cursorIds = new long[numberOfCursors];
    for (int index = 0; index < numberOfCursors; index++) {
        cursorIds[index] = buffer.readLong();
    }/*from w w  w  .jav a2 s  . co m*/

    return new KillCursorsMessage(requestBaseMessage, numberOfCursors, cursorIds);
}

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 {/*  w w w.j a  v  a  2s. 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);
    }
}

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;//  www. j ava 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));
}

From source file:com.facebook.nifty.core.NettyThriftDecoder.java

License:Apache License

protected TTransport getTransport(Channel channel, ByteBuf cb) {
    ThriftTransportType type = (cb.getUnsignedByte(0) < 0x80) ? ThriftTransportType.FRAMED
            : ThriftTransportType.UNFRAMED;
    if (type == ThriftTransportType.FRAMED) {
        cb.skipBytes(4);
    }//ww w.java  2 s  .c o  m
    return new TNiftyTransport(channel, new ThriftMessage(cb, type));
}

From source file:com.github.pgasync.impl.netty.ByteBufMessageDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() == 0) {
        return;/*from  w ww  . j  a v a2  s.co  m*/
    }

    byte id = in.readByte();
    int length = in.readInt();

    Decoder<?> decoder = DECODERS.get(id);
    try {
        if (decoder != null) {
            ByteBuffer buffer = in.nioBuffer();
            out.add(decoder.read(buffer));
            in.skipBytes(buffer.position());
        } else {
            in.skipBytes(length - 4);
        }
    } catch (Throwable t) {
        // broad catch as otherwise the exception is silently dropped
        ctx.fireExceptionCaught(t);
    }
}