Example usage for io.netty.buffer ByteBuf slice

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

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Introduction

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

Prototype

public abstract ByteBuf slice(int index, int length);

Source Link

Document

Returns a slice of this buffer's sub-region.

Usage

From source file:com.ebay.jetstream.messaging.transport.netty.serializer.StreamMessageDecoder.java

License:MIT License

@Override
protected ByteBuf extractFrame(ChannelHandlerContext ctx, ByteBuf buffer, int index, int length) {
    return buffer.slice(index, length);
}

From source file:com.eightkdata.mongowp.bson.netty.PooledNettyStringReader.java

License:Open Source License

@Override
public String readString(@Loose @ModifiesIndexes ByteBuf byteBuf, boolean likelyCacheable) {
    int stringLength = byteBuf.readInt();

    String str = stringPool.fromPool(likelyCacheable, byteBuf.slice(byteBuf.readerIndex(), stringLength - 1));

    byteBuf.skipBytes(stringLength);/*  ww  w .j  ava  2s  .c om*/

    return str;
}

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

License:Open Source License

@Override
@SuppressFBWarnings(value = {/*w w w  .  j  ava  2 s . c om*/
        "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.friz.audio.network.AudioSessionContext.java

License:Open Source License

/**
 * Processes the file requests.//from  w w  w.  j a v a2  s. c  o  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.addAudioContext(this);
            idle = false;
        }
    }
    if (request != null) {
        int type = request.getType();
        int file = request.getFile();
        int crc = request.getCrc();
        int version = request.getVersion();
        HttpVersion http = request.getHttp();

        ByteBuf buf = Unpooled.buffer();
        if (type == 255 && file == 255) {
            buf = Unpooled.wrappedBuffer(server.getCache().getChecksum());
        } else {
            if (server.getCache().getReferenceTable(type).getEntry(file).getCrc() != crc
                    || server.getCache().getReferenceTable(type).getEntry(file).getVersion() != version) {
                writeResponse(http, buf);
                return;
            }

            try {
                buf = Unpooled.wrappedBuffer(server.getCache().getStore().read(type, file));
                if (type != 255)
                    buf = buf.slice(0, buf.readableBytes() - 2);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        writeResponse(http, buf);
    }
}

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

License:Open Source License

/**
 * Processes the file requests.// w ww.j ava 2  s .  com
 * @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.growcontrol.common.netty.JsonObjectDecoder.java

License:Apache License

/**
 * Override this method if you want to filter the json objects/arrays that get passed through the pipeline.
 *///from   w w  w .j a  v a  2s.co  m
protected ByteBuf extractObject(final ChannelHandlerContext ctx, final ByteBuf buffer, final int index,
        final int length) {
    return buffer.slice(index, length).retain();
}

From source file:com.hazelcast.simulator.protocol.core.SimulatorMessageCodec.java

License:Open Source License

public static SimulatorAddress getSourceAddress(ByteBuf in) {
    return decodeSimulatorAddress(in.slice(OFFSET_SRC_ADDRESS, ADDRESS_SIZE));
}

From source file:com.heliosapm.streams.collector.groovy.ByteBufReaderSource.java

License:Apache License

/**
 * {@inheritDoc}//from  w w w  . j  av a2s  . c o m
 * @see org.codehaus.groovy.control.io.ReaderSource#getLine(int, org.codehaus.groovy.control.Janitor)
 */
@Override
public String getLine(int lineNumber, Janitor janitor) {
    int start = 0;
    int eol = 0;
    final ByteBuf b = prejectedBuffer.duplicate().resetReaderIndex();
    for (int i = 0; i < lineNumber; i++) {
        eol = findEndOfLine(b);
        if (eol == -1)
            return null;
        start = eol + 1;
    }
    return b.slice(start, eol).toString(UTF8);
}

From source file:com.ibm.crail.datanode.netty.rpc.RdmaMsgTx.java

License:Apache License

public void referenceTxPayload(ByteBuf src, int position, int length) {
    this.txPayload = src.slice(position, length).retain();
}

From source file:com.jamierf.jsonrpc.util.JsonObjectDecoder.java

License:Apache License

/**
 * Override this method if you want to filter the json objects/arrays that get passed through the pipeline.
 *///from   w  w  w  .  j a va 2 s .c  o  m
@SuppressWarnings("UnusedParameters")
protected ByteBuf extractObject(ChannelHandlerContext ctx, ByteBuf buffer, int index, int length) {
    return buffer.slice(index, length).retain();
}