Example usage for io.netty.buffer ByteBuf readInt

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

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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.mongoserver.decoder.GetMoreMessageDecoder.java

License:Open Source License

@Override
public @Nonnegative GetMoreMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidMessageException {
    buffer.skipBytes(4);/*w w w .j a va2s  .com*/
    String fullCollectionName = ByteBufUtil.readCString(buffer);
    int numberToReturn = buffer.readInt();
    long cursorId = buffer.readLong();

    return new GetMoreMessage(requestBaseMessage, fullCollectionName, numberToReturn, cursorId);
}

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

License:Open Source License

@Override
public @Nonnegative InsertMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidMessageException {
    int flags = buffer.readInt();
    String fullCollectionName = ByteBufUtil.readCString(buffer);
    List<BSONDocument> documents = new ArrayList<BSONDocument>();
    while (buffer.readableBytes() > 0) {
        documents.add(new MongoBSONDocument(buffer));
    }// w ww  .  j ava  2 s  .  c o  m

    return new InsertMessage(requestBaseMessage, flags, fullCollectionName, documents);
}

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);/*from  w w  w  .  j av  a 2 s  .co m*/
    int numberOfCursors = buffer.readInt();
    long[] cursorIds = new long[numberOfCursors];
    for (int index = 0; index < numberOfCursors; index++) {
        cursorIds[index] = buffer.readLong();
    }

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

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

License:Open Source License

@Override
public @Nonnegative QueryMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidMessageException {
    int flags = buffer.readInt();
    String fullCollectionName = ByteBufUtil.readCString(buffer);
    int numberToSkip = buffer.readInt();
    int numberToReturn = buffer.readInt();
    BSONDocument document = new MongoBSONDocument(buffer);
    BSONDocument returnFieldsSelector = buffer.readableBytes() > 0 ? new MongoBSONDocument(buffer) : null;

    return new QueryMessage(requestBaseMessage, flags, fullCollectionName, numberToSkip, numberToReturn,
            document, returnFieldsSelector);
}

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);// w  ww .ja v  a  2  s .c om
    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   w  ww  .j a va 2s  .c o  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 w  w w .j  a  va  2  s . 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 ww.j av  a 2  s.c o m*/
        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.InsertMessageDecoder.java

License:Open Source License

@Override
@SuppressFBWarnings(value = {//from   w  ww .  j a  va2  s .  co  m
        "RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT" }, justification = "Findbugs thinks ByteBuf#readerIndex(...) has no"
                + "side effect")
public InsertMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage)
        throws InvalidNamespaceException, InvalidBsonException {
    try {
        MyBsonContext context = new MyBsonContext(buffer);

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

        ByteBuf docBuf = buffer.slice(buffer.readerIndex(), buffer.readableBytes());
        docBuf.retain();

        buffer.readerIndex(buffer.writerIndex());

        ByteBufIterableDocumentProvider documents = new ByteBufIterableDocumentProvider(docBuf, docReader);

        //TODO: improve the way database and cache are pooled
        return new InsertMessage(requestBaseMessage, context, getDatabase(fullCollectionName).intern(),
                getCollection(fullCollectionName).intern(),
                EnumInt32FlagsUtil.isActive(Flag.CONTINUE_ON_ERROR, flags), documents);
    } 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);/*from   ww  w .j a va  2 s.  c  o  m*/
    int numberOfCursors = buffer.readInt();
    long[] cursorIds = new long[numberOfCursors];
    for (int index = 0; index < numberOfCursors; index++) {
        cursorIds[index] = buffer.readLong();
    }

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