Example usage for io.netty.buffer Unpooled wrappedBuffer

List of usage examples for io.netty.buffer Unpooled wrappedBuffer

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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:com.springapp.mvc.netty.example.http.websocketx.client.WebSocketClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    URI uri = new URI(URL);
    String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
    final String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
    final int port;
    if (uri.getPort() == -1) {
        if ("http".equalsIgnoreCase(scheme)) {
            port = 80;/*from  ww w  .  j a  v a 2 s.c om*/
        } else if ("https".equalsIgnoreCase(scheme)) {
            port = 443;
        } else {
            port = -1;
        }
    } else {
        port = uri.getPort();
    }

    if (!"ws".equalsIgnoreCase(scheme) && !"wss".equalsIgnoreCase(scheme)) {
        System.err.println("Only WS(S) is supported.");
        return;
    }

    final boolean ssl = "wss".equalsIgnoreCase(scheme);
    final SslContext sslCtx;
    if (ssl) {
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
        // If you change it to V00, ping is not supported and remember to change
        // HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
        final WebSocketClientHandler handler = new WebSocketClientHandler(WebSocketClientHandshakerFactory
                .newHandshaker(uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders()));

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) {
                ChannelPipeline p = ch.pipeline();
                if (sslCtx != null) {
                    p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
                }
                p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler);
            }
        });

        Channel ch = b.connect(uri.getHost(), port).sync().channel();
        handler.handshakeFuture().sync();

        BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
        while (true) {
            String msg = console.readLine();
            if (msg == null) {
                break;
            } else if ("bye".equals(msg.toLowerCase())) {
                ch.writeAndFlush(new CloseWebSocketFrame());
                ch.closeFuture().sync();
                break;
            } else if ("ping".equals(msg.toLowerCase())) {
                WebSocketFrame frame = new PingWebSocketFrame(
                        Unpooled.wrappedBuffer(new byte[] { 8, 1, 8, 1 }));
                ch.writeAndFlush(frame);
            } else {
                WebSocketFrame frame = new TextWebSocketFrame(msg);
                ch.writeAndFlush(frame);
            }
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.streamsets.pipeline.lib.parser.net.netflow.TestNetflowDecoder.java

License:Apache License

@Test
public void testSinglePacket() throws Exception {
    EmbeddedChannel ch = new EmbeddedChannel(makeNetflowDecoder());

    byte[] bytes = get10V5MessagesBytes();
    ch.writeInbound(Unpooled.wrappedBuffer(bytes));

    List<Record> records = collect10NetflowV5MessagesFromChannel(ch, bytes.length);

    ch.finish();/*from  ww w.j  a  v a  2s  .c  om*/

    NetflowTestUtil.assertRecordsForTenPackets(records);
}

From source file:com.streamsets.pipeline.lib.parser.net.netflow.TestNetflowDecoder.java

License:Apache License

@Test
public void testMultiplePackets() throws Exception {
    EmbeddedChannel ch = new EmbeddedChannel(makeNetflowDecoder());

    byte[] bytes = get10V5MessagesBytes();

    long bytesWritten = 0;
    List<List<Byte>> slices = NetTestUtils.getRandomByteSlices(bytes);
    for (int s = 0; s < slices.size(); s++) {
        List<Byte> slice = slices.get(s);
        byte[] sliceBytes = Bytes.toArray(slice);
        ch.writeInbound(Unpooled.wrappedBuffer(sliceBytes));
        bytesWritten += sliceBytes.length;
    }/*from  w w  w . j  a  v a  2s  . co m*/

    assertThat(bytesWritten, equalTo((long) bytes.length));

    List<Record> records = collect10NetflowV5MessagesFromChannel(ch, bytes.length);

    ch.finish();

    NetflowTestUtil.assertRecordsForTenPackets(records);
}

From source file:com.streamsets.pipeline.lib.parser.net.netflow.TestNetflowDecoder.java

License:Apache License

private void writeBytesToChannel(EmbeddedChannel ch, byte[] bytes, boolean randomlySlice) {
    if (randomlySlice) {
        long bytesWritten = 0;
        List<List<Byte>> slices = NetTestUtils.getRandomByteSlices(bytes);
        for (int s = 0; s < slices.size(); s++) {
            List<Byte> slice = slices.get(s);
            byte[] sliceBytes = Bytes.toArray(slice);
            ch.writeInbound(Unpooled.wrappedBuffer(sliceBytes));
            bytesWritten += sliceBytes.length;
        }// w w w .j av a2  s  . c  o m

        assertThat(bytesWritten, equalTo((long) bytes.length));
    } else {
        ch.writeInbound(Unpooled.wrappedBuffer(bytes));
    }
}

From source file:com.streamsets.pipeline.lib.udp.TestUDPMessageSerialization.java

License:Apache License

private static UDPMessage createUDPMessage(int size) {
    InetSocketAddress recipient = new InetSocketAddress("127.0.0.1", 2000);
    InetSocketAddress sender = new InetSocketAddress("127.0.0.1", 3000);
    byte[] arr = new byte[size];
    for (int i = 0; i < size; i++) {
        arr[i] = (byte) (i % 256);
    }//from  w  w  w  .  j a v  a  2  s. co m
    ByteBuf buffer = Unpooled.wrappedBuffer(arr);
    DatagramPacket datagram = new DatagramPacket(buffer, recipient, sender);
    return new UDPMessage(UDPConstants.NETFLOW, 1, datagram);
}

From source file:com.streamsets.pipeline.lib.udp.UDPMessageDeserializer.java

License:Apache License

public UDPMessage deserialize(byte[] buffer) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
    ObjectInputStream ois = new ObjectInputStream(bais);
    int version = ois.readInt();
    if (version == UDPConstants.UDP_MESSAGE_VERSION) {
        int type = ois.readInt();
        long received = ois.readLong();
        String address = ois.readUTF();
        int port = ois.readInt();
        InetSocketAddress sender = new InetSocketAddress(address, port);
        address = ois.readUTF();//from   w  w w  . jav  a2  s  .  co  m
        port = ois.readInt();
        InetSocketAddress receiver = new InetSocketAddress(address, port);
        int dataLen = ois.readInt();
        byte[] data = new byte[dataLen];
        ois.readFully(data);
        ois.close();
        ByteBuf byteBuf = Unpooled.wrappedBuffer(data);
        DatagramPacket datagram = new DatagramPacket(byteBuf, receiver, sender);
        return new UDPMessage(type, received, datagram);
    } else {
        throw new IOException(Utils.format("Unsupported version '{}'", version));
    }
}

From source file:com.streamsets.pipeline.lib.util.UDPTestUtil.java

License:Apache License

public static byte[] getUDPData(int type, byte[] data) throws IOException {
    InetSocketAddress recipient = new InetSocketAddress("127.0.0.1", 2000);
    InetSocketAddress sender = new InetSocketAddress("127.0.0.1", 3000);
    ByteBuf buffer = Unpooled.wrappedBuffer(data);
    DatagramPacket datagram = new DatagramPacket(buffer, recipient, sender);
    UDPMessage message = new UDPMessage(type, 1, datagram);
    UDPMessageSerializer serializer = new UDPMessageSerializer();
    return serializer.serialize(message);
}

From source file:com.streamsets.pipeline.stage.origin.udptokafka.TestKafkaUDPConsumer.java

License:Apache License

private static DatagramPacket createDatagramPackage(int size) {
    InetSocketAddress recipient = new InetSocketAddress("127.0.0.1", 2000);
    InetSocketAddress sender = new InetSocketAddress("127.0.0.1", 3000);
    byte[] arr = new byte[size];
    for (int i = 0; i < size; i++) {
        arr[i] = (byte) (i % 256);
    }/*from   ww  w. j av  a  2  s.  c  o m*/
    ByteBuf buffer = Unpooled.wrappedBuffer(arr);
    return new DatagramPacket(buffer, recipient, sender);
}

From source file:com.study.hc.net.netty.EchoServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    System.out.println("?" + ((ByteBuf) msg).toString(Charset.defaultCharset()));
    ctx.write(Unpooled.wrappedBuffer("98877".getBytes()));
    // ((ByteBuf) msg).release();
    ctx.fireChannelRead(msg);//from   w  w  w  .  j a  va  2  s  .co m
}

From source file:com.study.hc.net.netty.http.HttpHelloWorldServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, HttpObject msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;

        boolean keepAlive = HttpUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {//  ww  w .ja v a  2 s . c o m
            response.headers().set(CONNECTION, KEEP_ALIVE);
            ctx.write(response);
        }
    }
}