Example usage for io.netty.buffer ByteBufAllocator compositeBuffer

Introduction

In this page you can find the example usage for io.netty.buffer ByteBufAllocator compositeBuffer.

Prototype

CompositeByteBuf compositeBuffer();

Source Link

Document

Allocate a CompositeByteBuf .

Usage

From source file:com.linecorp.armeria.internal.grpc.ArmeriaMessageDeframer.java

License:Apache License

public ArmeriaMessageDeframer(Listener listener, int maxMessageSizeBytes, ByteBufAllocator alloc) {
    this.listener = requireNonNull(listener, "listener");
    this.maxMessageSizeBytes = maxMessageSizeBytes;
    this.alloc = requireNonNull(alloc, "alloc");

    unprocessed = alloc.compositeBuffer();
}

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From source file:com.uber.tchannel.codecs.CodecUtils.java

License:Open Source License

public static ByteBuf writeArgs(ByteBufAllocator allocator, ByteBuf header, List<ByteBuf> args) {
    int writableBytes = TFrame.MAX_FRAME_PAYLOAD_LENGTH - header.readableBytes();
    List<ByteBuf> bufs = new ArrayList<>(7);
    bufs.add(header);//from   www.ja  va  2 s.c o  m

    while (!args.isEmpty()) {
        ByteBuf arg = args.get(0);
        int len = writeArg(allocator, arg, writableBytes, bufs);
        writableBytes -= len;
        if (writableBytes <= TFrame.FRAME_SIZE_LENGTH) {
            break;
        }

        if (arg.readableBytes() == 0) {
            args.remove(0);
        }
    }

    CompositeByteBuf comp = allocator.compositeBuffer();
    comp.addComponents(bufs);
    comp.writerIndex(TFrame.MAX_FRAME_PAYLOAD_LENGTH - writableBytes);

    return comp;
}

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From source file:org.cloudfoundry.reactor.util.MultipartHttpOutbound.java

License:Apache License

public Mono<Void> done() {
    AsciiString boundary = generateMultipartBoundary();
    ByteBufAllocator allocator = this.outbound.delegate().alloc();

    CompositeByteBuf bodyBuf = allocator.compositeBuffer();
    this.partConsumers
            .forEach(partConsumer -> bodyBuf.addComponent(getPart(allocator, boundary, partConsumer)));
    bodyBuf.addComponent(getCloseDelimiter(allocator, boundary));

    return this.outbound.removeTransferEncodingChunked()
            .addHeader(CONTENT_TYPE, MULTIPART_FORM_DATA.concat(BOUNDARY_PREAMBLE).concat(boundary))
            .addHeader(CONTENT_LENGTH, String.valueOf(bodyBuf.capacity()))
            .sendOne(bodyBuf.writerIndex(bodyBuf.capacity()));
}

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From source file:org.cloudfoundry.reactor.util.MultipartHttpOutbound.java

License:Apache License

private static ByteBuf getPart(ByteBufAllocator allocator, AsciiString boundary,
        Consumer<PartHttpOutbound> partConsumer) {
    PartHttpOutbound part = new PartHttpOutbound();
    partConsumer.accept(part);/* w ww.  j a v  a 2 s . co m*/

    CompositeByteBuf body = allocator.compositeBuffer();
    body.addComponent(getDelimiter(allocator, boundary));
    body.addComponent(getHeaders(allocator, part.getHeaders()));
    body.addComponent(getData(allocator, part.getInputStream()));

    return body.writerIndex(body.capacity());
}

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From source file:ratpack.stream.bytebuf.ByteBufStreams.java

License:Apache License

/**
 * Reduces the stream to a single composite byte buf.
 *
 * @param publisher the stream/*ww  w  . j a v  a 2  s  .  c  om*/
 * @param alloc the buffer allocator
 * @return the reduced composite buffer
 */
public static Promise<CompositeByteBuf> compose(Publisher<? extends ByteBuf> publisher,
        ByteBufAllocator alloc) {
    return Promise.flatten(() -> {
        CompositeByteBuf seed = alloc.compositeBuffer();
        return Streams.reduce(publisher, seed, (c, b) -> c.addComponent(true, b)).onError(e -> {
            seed.release();
            throw Exceptions.toException(e);
        });
    });
}

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