Example usage for io.netty.buffer Unpooled wrappedBuffer

Introduction

In this page you can find the example usage for io.netty.buffer Unpooled wrappedBuffer.

Prototype

public static ByteBuf wrappedBuffer(ByteBuffer... buffers)

Source Link

Document

Creates a new big-endian composite buffer which wraps the slices of the specified NIO buffers without copying them.

Usage

From source file:alluxio.grpc.WriteRequestMarshaller.java

License:Apache License

@Override
protected ByteBuf[] serialize(WriteRequest message) throws IOException {
    if (message.hasCommand()) {
        byte[] command = new byte[message.getSerializedSize()];
        CodedOutputStream stream = CodedOutputStream.newInstance(command);
        message.writeTo(stream);/*from   ww w  .  ja  v  a  2  s.c o m*/
        return new ByteBuf[] { Unpooled.wrappedBuffer(command) };
    }
    DataBuffer chunkBuffer = pollBuffer(message);
    if (chunkBuffer == null) {
        if (!message.hasChunk() || !message.getChunk().hasData()) {
            // nothing to serialize
            return new ByteBuf[0];
        }
        // attempts to fallback to read chunk from message
        chunkBuffer = new NettyDataBuffer(
                Unpooled.wrappedBuffer(message.getChunk().getData().asReadOnlyByteBuffer()));
    }
    int headerSize = message.getSerializedSize() - chunkBuffer.readableBytes();
    byte[] header = new byte[headerSize];
    CodedOutputStream stream = CodedOutputStream.newInstance(header);
    stream.writeTag(WriteRequest.CHUNK_FIELD_NUMBER, WireFormat.WIRETYPE_LENGTH_DELIMITED);
    stream.writeUInt32NoTag(message.getChunk().getSerializedSize());
    stream.writeTag(Chunk.DATA_FIELD_NUMBER, WireFormat.WIRETYPE_LENGTH_DELIMITED);
    stream.writeUInt32NoTag(chunkBuffer.readableBytes());
    return new ByteBuf[] { Unpooled.wrappedBuffer(header), (ByteBuf) chunkBuffer.getNettyOutput() };
}

From source file:alluxio.network.protocol.databuffer.DataByteBuffer.java

License:Apache License

@Override
public Object getNettyOutput() {
    return Unpooled.wrappedBuffer(mBuffer);
}

From source file:alluxio.network.protocol.databuffer.NioDataBuffer.java

License:Apache License

@Override
public void readBytes(OutputStream outputStream, int length) throws IOException {
    Unpooled.wrappedBuffer(mBuffer).readBytes(outputStream, length).release();
}

From source file:alluxio.worker.block.io.LocalFileBlockWriterTest.java

License:Apache License

@Test
public void appendByteBuf() throws Exception {
    ByteBuf buffer = Unpooled.wrappedBuffer(BufferUtils.getIncreasingByteBuffer(TEST_BLOCK_SIZE));
    buffer.markReaderIndex();//  www  .j a  v a 2  s  .c o m
    Assert.assertEquals(TEST_BLOCK_SIZE, mWriter.append(buffer));
    buffer.resetReaderIndex();
    Assert.assertEquals(TEST_BLOCK_SIZE, mWriter.append(buffer));
    mWriter.close();
    Assert.assertEquals(2 * TEST_BLOCK_SIZE, new File(mTestFilePath).length());
    ByteBuffer result = ByteBuffer.wrap(Files.readAllBytes(Paths.get(mTestFilePath)));
    result.position(0).limit(TEST_BLOCK_SIZE);
    BufferUtils.equalIncreasingByteBuffer(0, TEST_BLOCK_SIZE, result.slice());
    result.position(TEST_BLOCK_SIZE).limit(TEST_BLOCK_SIZE * 2);
    BufferUtils.equalIncreasingByteBuffer(0, TEST_BLOCK_SIZE, result.slice());
}

From source file:appeng.fmp.CableBusPart.java

License:Open Source License

@Override
public void readDesc(final MCDataInput packet) {
    final int len = packet.readInt();
    final byte[] data = packet.readByteArray(len);

    try {// ww  w .ja v  a  2s .c  o m
        if (len > 0) {
            final ByteBuf byteBuffer = Unpooled.wrappedBuffer(data);
            this.getCableBus().readFromStream(byteBuffer);
        }
    } catch (final IOException e) {
        AELog.error(e);
    }
}

From source file:at.yawk.accordion.compression.SnappyCompressor.java

License:Mozilla Public License

@Override
public ByteBuf encode(ByteBuf raw) {
    try {/*from   ww w.j  a va  2  s.  co  m*/
        return Unpooled.wrappedBuffer(Snappy.compress(toArray(raw)));
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:at.yawk.accordion.compression.SnappyCompressor.java

License:Mozilla Public License

@Override
public ByteBuf decode(ByteBuf compressed) {
    try {/*from  ww  w  . jav  a 2s . c  o  m*/
        return Unpooled.wrappedBuffer(Snappy.uncompress(toArray(compressed)));
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

From source file:at.yawk.accordion.minecraft.AccordionBukkit.java

License:Mozilla Public License

public static AccordionApi createApi(Plugin plugin) {
    try {//from www.j a  va 2  s.c om
        AccordionApi api = new AccordionApi().mcPort(Bukkit.getPort())
                // use plugin logger
                .logger(plugin.getLogger()).listenAddress(InetAddress.getByName(Bukkit.getIp()))
                // do not listen on bukkit
                .listen(false).tier(AccordionApi.DEFAULT_TIER_BUKKIT);
        // auto start on first tick (bukkit load complete)
        plugin.getServer().getScheduler().runTask(plugin, api::tryAutoStart);
        // peer discovery
        plugin.getServer().getMessenger().registerIncomingPluginChannel(plugin,
                AccordionApi.PEER_DISCOVERY_PLUGIN_CHANNEL, (channel, player, data) -> {
                    if (!api.isAutomaticDiscovery()) {
                        return;
                    }

                    // new nodes received
                    ByteBuf wrapped = Unpooled.wrappedBuffer(data);
                    api.getLocalNode().loadEncodedNodes(wrapped);
                });
        return api;
    } catch (UnknownHostException e) {
        throw new IllegalStateException("Invalid bukkit IP", e);
    }
}

From source file:at.yawk.dbus.protocol.DbusConnector.java

/**
 * Connect to the dbus server at the given {@link SocketAddress}.
 *///from w w w  .j a v a  2 s  .  c  o  m
public DbusChannel connect(SocketAddress address) throws Exception {
    Bootstrap localBootstrap = bootstrap.clone();
    if (address instanceof DomainSocketAddress) {
        localBootstrap.group(new EpollEventLoopGroup());
        localBootstrap.channel(EpollDomainSocketChannel.class);
    } else {
        localBootstrap.group(new NioEventLoopGroup());
        localBootstrap.channel(NioSocketChannel.class);
    }

    Channel channel = localBootstrap.connect(address).sync().channel();

    AuthClient authClient = new AuthClient();
    if (LoggingInboundAdapter.isEnabled()) {
        channel.pipeline().addLast(new LoggingInboundAdapter());
    }

    channel.pipeline().addLast("auth", authClient);
    channel.config().setAutoRead(true);
    log.trace("Pipeline is now {}", channel.pipeline());

    // I really don't get why dbus does this
    channel.write(Unpooled.wrappedBuffer(new byte[] { 0 }));

    if (authMechanism == null) {
        authMechanism = new ExternalAuthMechanism();
    }
    CompletionStage<?> completionPromise = authClient.startAuth(channel, authMechanism);

    SwappableMessageConsumer swappableConsumer = new SwappableMessageConsumer(initialConsumer);
    completionPromise.toCompletableFuture().thenRun(() -> {
        channel.pipeline().replace("auth", "main", new DbusMainProtocol(swappableConsumer));
        log.trace("Pipeline is now {}", channel.pipeline());
    }).get();

    DbusChannelImpl dbusChannel = new DbusChannelImpl(channel, swappableConsumer);

    dbusChannel.write(MessageFactory.methodCall("/", "org.freedesktop.DBus", "org.freedesktop.DBus", "Hello"));

    return dbusChannel;
}

From source file:at.yawk.votifier.VoteDecrypter.java

License:Mozilla Public License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    int readable = in.readableBytes();
    if (readable < MESSAGE_SIZE) {
        // the message must be exactly 256 bytes long
        return;//  www  .  j av a2 s .co  m
    }

    byte[] encrypted = new byte[MESSAGE_SIZE];
    in.readBytes(encrypted);
    Cipher cipher = Cipher.getInstance("RSA");
    cipher.init(Cipher.DECRYPT_MODE, key);
    byte[] decrypted = cipher.doFinal(encrypted);
    out.add(Unpooled.wrappedBuffer(decrypted));
}