Example usage for io.netty.buffer ByteBuf array

Introduction

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

Prototype

public abstract byte[] array();

Source Link

Document

Returns the backing byte array of this buffer.

Usage

From source file:com.yahoo.pulsar.common.compression.Crc32cChecksumTest.java

License:Apache License

@Test
public void testCrc32cSoftware() {
    ByteBuf payload = Unpooled.wrappedBuffer(inputBytes);

    // compute checksum using sw algo
    int sw = SOFTWARE_CRC32C_HASH.calculate(payload.array(), payload.arrayOffset() + payload.readerIndex(),
            payload.readableBytes());/* w  w  w .j a  v  a2  s.  c  o  m*/
    assertEquals(sw, expectedChecksum);
}

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From source file:com.yahoo.pulsar.common.util.XXHashChecksum.java

License:Apache License

public static long computeChecksum(ByteBuf payload) {
    if (payload.hasArray()) {
        return checksum.hash(payload.array(), payload.arrayOffset() + payload.readerIndex(),
                payload.readableBytes(), 0L);
    } else {//from  w  w  w .  ja  va 2 s .  c  om
        ByteBuffer payloadNio = payload.nioBuffer(payload.readerIndex(), payload.readableBytes());
        return checksum.hash(payloadNio, 0, payload.readableBytes(), 0L);
    }
}

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From source file:de.dfki.kiara.http.HttpHandler.java

License:Open Source License

@Override
protected void channelRead0(final ChannelHandlerContext ctx, Object msg) throws Exception {
    logger.debug("Handler: {} / Channel: {}", this, ctx.channel());
    if (mode == Mode.SERVER) {
        if (msg instanceof FullHttpRequest) {
            final FullHttpRequest request = (FullHttpRequest) msg;

            HttpRequestMessage transportMessage = new HttpRequestMessage(this, request);
            transportMessage.setPayload(request.content().nioBuffer());

            if (logger.isDebugEnabled()) {
                logger.debug("RECEIVED REQUEST WITH CONTENT {}",
                        Util.bufferToString(transportMessage.getPayload()));
            }/*from www.j  av a 2 s  .c  o m*/

            synchronized (listeners) {
                if (!listeners.isEmpty()) {
                    for (TransportMessageListener listener : listeners) {
                        listener.onMessage(transportMessage);
                    }
                }
            }

            boolean keepAlive = HttpHeaders.isKeepAlive(request);
        }
    } else {
        // CLIENT
        if (msg instanceof HttpResponse) {
            HttpResponse response = (HttpResponse) msg;
            headers = response.headers();
            //if (!response.headers().isEmpty()) {
            //    contentType = response.headers().get("Content-Type");
            //}
        }
        if (msg instanceof HttpContent) {
            HttpContent content = (HttpContent) msg;
            ByteBuf buf = content.content();
            if (buf.isReadable()) {
                if (buf.hasArray()) {
                    bout.write(buf.array(), buf.readerIndex(), buf.readableBytes());
                } else {
                    byte[] bytes = new byte[buf.readableBytes()];
                    buf.getBytes(buf.readerIndex(), bytes);
                    bout.write(bytes);
                }
            }
            if (content instanceof LastHttpContent) {
                //ctx.close();
                bout.flush();
                HttpResponseMessage response = new HttpResponseMessage(this, headers);
                response.setPayload(ByteBuffer.wrap(bout.toByteArray(), 0, bout.size()));
                onResponse(response);
                bout.reset();
            }
        }
    }
}

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From source file:de.dfki.kiara.netty.ByteBufferDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
    final byte[] array;
    final int offset;
    final int length = msg.readableBytes();
    if (msg.hasArray()) {
        array = msg.array();
        offset = msg.arrayOffset() + msg.readerIndex();
    } else {/*from   w  w w . j av  a  2 s. c o m*/
        array = new byte[length];
        msg.getBytes(msg.readerIndex(), array, 0, length);
        offset = 0;
    }

    out.add(ByteBuffer.wrap(array, offset, length));
}

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From source file:de.sanandrew.mods.turretmod.network.PacketSyncTileEntity.java

License:Creative Commons License

public PacketSyncTileEntity(TileClientSync tile) {
    this.pos = tile.getTile().getPos();

    ByteBuf buf = Unpooled.buffer();
    tile.toBytes(buf);/*from   w w  w .  j  ava  2s . co m*/
    this.tileBytes = buf.array();
}

---

From source file:de.saxsys.synchronizefx.netty.base.CommandToBinaryByteBuf.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final ByteBuf msg, final List<Object> out)
        throws Exception {
    byte[] data;/*ww w.  ja v  a2s.c  om*/
    if (msg.hasArray()) {
        data = msg.array();
    } else {
        data = new byte[msg.readableBytes()];
        msg.readBytes(data);
    }

    out.add(serializer.deserialize(data));
}

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From source file:discord4j.gateway.payload.JacksonPayloadReader.java

License:Open Source License

@Override
public Mono<GatewayPayload<?>> read(ByteBuf payload) {
    return Mono.create(sink -> {
        try {//w  w  w .  j  av a  2 s  . c om
            GatewayPayload<?> value = mapper.readValue(payload.array(), new TypeReference<GatewayPayload<?>>() {
            });
            sink.success(value);
        } catch (IOException | IllegalArgumentException e) {
            if (lenient) {
                // if eof input - just ignore
                if (payload.readableBytes() > 0) {
                    log.warn("Error while decoding JSON ({} bytes): {}", payload.readableBytes(),
                            payload.toString(StandardCharsets.UTF_8), e);
                }
                sink.success();
            } else {
                sink.error(Exceptions.propagate(e));
            }
        }
    });
}

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From source file:divconq.ctp.stream.FileSourceStream.java

License:Open Source License

public void readLocalFile() {
    FileSystemFile fs = (FileSystemFile) this.current;

    if (this.in == null) {
        this.insize = fs.getSize();

        // As a source we are responsible for progress tracking
        OperationContext.get().setAmountCompleted(0);

        try {/*from  w ww. ja v  a2 s  .  com*/
            this.in = FileChannel.open(fs.localPath(), StandardOpenOption.READ);
        } catch (IOException x) {
            OperationContext.get().getTaskRun().kill("Unable to read source file " + x);
            return;
        }
    }

    while (true) {
        // TODO sizing?
        ByteBuf data = Hub.instance.getBufferAllocator().heapBuffer(32768);

        ByteBuffer buffer = ByteBuffer.wrap(data.array(), data.arrayOffset(), data.capacity());

        int pos = -1;

        try {
            pos = (int) this.in.read(buffer);
        } catch (IOException x1) {
            OperationContext.get().getTaskRun().kill("Problem reading source file: " + x1);
            data.release();
            return;
        }

        FileDescriptor fref = FileDescriptor.fromFileStore(this.current);
        fref.setPath(this.current.path().subpath(this.source.path()));

        System.out.println("writing: " + fref.getPath() + " from: " + this.inprog);

        if (pos == -1) {
            try {
                this.in.close();
            } catch (IOException x) {
                OperationContext.get().getTaskRun().kill("Problem closing source file: " + x);
                data.release();
                return;
            }

            OperationContext.get().setAmountCompleted(100);

            fref.setEof(true);

            this.current = null;
            this.in = null;
            this.insize = 0;
            this.inprog = 0;
        } else {
            this.inprog += pos;

            data.writerIndex(pos);
            OperationContext.get().setAmountCompleted((int) (this.inprog * 100 / this.insize));
        }

        if (this.downstream.handle(fref, data) != ReturnOption.CONTINUE)
            break;

        if (this.current == null) {
            // we need the next file
            OperationContext.get().getTaskRun().resume();

            // wait on the implied request
            break;
        }
    }
}

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From source file:divconq.ctp.stream.GzipStream.java

License:Open Source License

@Override
public ReturnOption handle(FileDescriptor file, ByteBuf data) {
    if (file == FileDescriptor.FINAL)
        return this.downstream.handle(file, data);

    // we don't know what to do with a folder at this stage - gzip is for file content only
    // folder scanning is upstream in the FileSourceStream and partners
    if (file.isFolder())
        return ReturnOption.CONTINUE;

    // init if not set for this round of processing 
    if (this.deflater == null) {
        this.deflater = new Deflater(this.compressionLevel, true);
        this.crc.reset();
        this.writeHeader = true;
    }//from   w  ww .j  a v a2 s  .c o  m

    ByteBuf in = data;
    ByteBuf out = null;

    if (in != null) {
        byte[] inAry = in.array();

        // always allow for a header (10) plus footer (8) plus extra (12)
        // in addition to content
        int sizeEstimate = (int) Math.ceil(in.readableBytes() * 1.001) + 30;
        out = Hub.instance.getBufferAllocator().heapBuffer(sizeEstimate);

        if (this.writeHeader) {
            this.writeHeader = false;
            out.writeBytes(gzipHeader);
        }

        this.crc.update(inAry, in.arrayOffset(), in.writerIndex());

        this.deflater.setInput(inAry, in.arrayOffset(), in.writerIndex());

        while (!this.deflater.needsInput())
            deflate(out);
    } else
        out = Hub.instance.getBufferAllocator().heapBuffer(30);

    FileDescriptor blk = new FileDescriptor();

    if (StringUtil.isEmpty(this.lastpath)) {
        if (StringUtil.isNotEmpty(this.nameHint))
            this.lastpath = "/" + this.nameHint;
        else if (file.getPath() != null)
            this.lastpath = "/" + GzipUtils.getCompressedFilename(file.path().getFileName());
        else
            this.lastpath = "/" + FileUtil.randomFilename("gz");
    }

    blk.setPath(this.lastpath);

    file.setModTime(System.currentTimeMillis());

    if (file.isEof()) {
        this.deflater.finish();

        while (!this.deflater.finished())
            deflate(out);

        int crcValue = (int) this.crc.getValue();

        out.writeByte(crcValue);
        out.writeByte(crcValue >>> 8);
        out.writeByte(crcValue >>> 16);
        out.writeByte(crcValue >>> 24);

        int uncBytes = this.deflater.getTotalIn();

        out.writeByte(uncBytes);
        out.writeByte(uncBytes >>> 8);
        out.writeByte(uncBytes >>> 16);
        out.writeByte(uncBytes >>> 24);

        this.deflater.end();
        this.deflater = null; // cause a reset for next time we use stream

        blk.setEof(true);
    }

    if (in != null)
        in.release();

    return this.downstream.handle(blk, out);
}

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From source file:divconq.ctp.stream.GzipStream.java

License:Open Source License

protected void deflate(ByteBuf out) {
    int numBytes = 0;

    do {/*from w  w  w . j  a  v a  2s  . c  o m*/
        byte[] o = out.array();

        numBytes = this.deflater.deflate(o, out.arrayOffset() + out.writerIndex(), out.writableBytes(),
                Deflater.SYNC_FLUSH);

        out.writerIndex(out.writerIndex() + numBytes);
    } while (numBytes > 0);
}

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