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:fr.kissy.zergling_push.infrastructure.FlatBufferMessageHandler.java

License:Apache License

private BinaryWebSocketFrame createPlayerConnectedMessage(Channel channel) {
    FlatBufferBuilder fbb = new FlatBufferBuilder();
    int idOffset = fbb.createString(channel.id().asShortText());
    int nameOffset = fbb.createString(channel.id().asShortText());
    int offset = PlayerConnected.createPlayerConnected(fbb, idOffset, nameOffset, STARTING_X, STARTING_Y,
            STARTING_ROTATION, (float) Player.VELOCITY_FACTOR, (float) Player.ANGULAR_VELOCITY_FACTOR,
            (float) Player.DECELERATION_FACTOR, Laser.VELOCITY_FACTOR);
    PlayerConnected.finishPlayerConnectedBuffer(fbb, offset);
    ByteBuf byteBuf = Unpooled.wrappedBuffer(fbb.dataBuffer());
    return new BinaryWebSocketFrame(byteBuf);
}

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From source file:godfinger.util.NettyHttpUtil.java

License:Apache License

public static FullHttpResponse fullHttpResponse(HttpResponseStatus status, String contentType,
        String stringContent) {//  ww  w. j a va  2  s .  c o m
    ByteBuf content = Unpooled.wrappedBuffer(stringContent.getBytes());
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status, content);
    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, contentType);
    response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
    return response;
}

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From source file:holon.internal.http.netty.NettyOutput.java

License:Open Source License

@Override
public void write(FileChannel channel) throws IOException {
    int size = (int) channel.size();
    ByteBuffer bb = ByteBuffer.allocateDirect(size);
    while (bb.position() < bb.capacity()) {
        channel.read(bb);/*from   w  ww.  jav  a2 s  .  c  o m*/
    }
    bb.position(0);
    buffer = Unpooled.wrappedBuffer(bb);
}

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From source file:httprestfulserver.HttpRESTfulServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        byte[] CONTENT = "Hello World".getBytes();
        HttpRequest req = (HttpRequest) msg;

        if (HttpHeaders.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }/*from   w  ww. ja  va  2 s . c om*/
        boolean keepAlive = HttpHeaders.isKeepAlive(req);
        HttpMethod method = req.getMethod();
        CONTENT = method.name().getBytes();
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, Values.KEEP_ALIVE);
            ctx.write(response);
        }
    }
}

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From source file:impl.underdark.transport.bluetooth.discovery.ble.ManufacturerData.java

License:Open Source License

public static ManufacturerData parse(byte[] data) {
    if (data == null || data.length < (1 + 6 + 4))
        return null;

    ByteBuf buf = Unpooled.wrappedBuffer(data);
    byte version = buf.readByte();
    if (version != 1)
        return null;

    int appId = buf.readInt();
    byte[] address = new byte[deviceAddressLen];
    buf.readBytes(address);/*from  w  w w.j  av  a 2s. c  om*/
    int channelsMask = buf.readInt();

    List<Integer> channels = new ArrayList<>();

    for (int channel = 0; channelsMask != 0; ++channel) {
        if (channelsMask % 2 != 0)
            channels.add(channel);

        channelsMask >>= 1;
    }

    return new ManufacturerData(appId, address, channels);
}

---

From source file:impl.underdark.transport.bluetooth.discovery.ble.ManufacturerData.java

License:Open Source License

public byte[] build() {
    ByteBuf data = Unpooled.wrappedBuffer(new byte[27]);
    data.clear();/* ww  w. j a  va 2 s .com*/
    data.writeByte(1); // Version
    data.writeInt(appId);
    data.writeBytes(address);

    int channelsMask = 0;

    for (int channel : channels) {
        if (channel < 0 || channel > BtUtils.channelNumberMax)
            continue;

        // http://www.vipan.com/htdocs/bitwisehelp.html

        int channelBit = ipow(2, channel);

        channelsMask |= channelBit;
    }

    data.writeInt(channelsMask);

    return data.array();
}

---

From source file:io.aos.netty5.http.helloworld.HttpHelloWorldServerHandler.java

License:Apache License

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

        if (HttpHeaderUtil.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }//  w ww .  j  a  v  a2  s. com
        boolean keepAlive = HttpHeaderUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(CONTENT));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, Values.KEEP_ALIVE);
            ctx.write(response);
        }
    }
}

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From source file:io.aos.netty5.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   w w w.  ja  v a  2  s  .co  m
        } 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) {
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } 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),
                        new WebSocketClientCompressionHandler(), 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();
    }
}

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From source file:io.aos.netty5.memcache.binary.MemcacheClientHandler.java

License:Apache License

/**
 * Transforms basic string requests to binary memcache requests
 *///from w  w w  .  j  a  va 2 s  . c  o m
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
    String command = (String) msg;
    if (command.startsWith("get ")) {
        String key = command.substring("get ".length());

        BinaryMemcacheRequest req = new DefaultBinaryMemcacheRequest(key);
        req.setOpcode(BinaryMemcacheOpcodes.GET);
        req.setKeyLength((short) key.length());
        req.setTotalBodyLength(key.length());

        ctx.write(req, promise);
    } else if (command.startsWith("set ")) {
        String[] parts = command.split(" ", 3);
        if (parts.length < 3) {
            throw new IllegalArgumentException("Malformed Command: " + command);
        }
        String key = parts[1];
        String value = parts[2];

        ByteBuf content = Unpooled.wrappedBuffer(value.getBytes(CharsetUtil.UTF_8));
        ByteBuf extras = ctx.alloc().buffer(8);

        BinaryMemcacheRequest req = new DefaultFullBinaryMemcacheRequest(key, extras, content);
        req.setOpcode(BinaryMemcacheOpcodes.SET);
        req.setKeyLength((short) key.length());
        req.setExtrasLength((byte) 8);
        req.setTotalBodyLength(key.length() + 8 + value.length());

        ctx.write(req, promise);
    } else {
        throw new IllegalStateException("Unknown Message: " + msg);
    }
}

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From source file:io.apigee.trireme.container.netty.UpgradedSocketHandler.java

License:Open Source License

public int write(ByteBuffer buf, final IOCompletionHandler<Integer> handler) {
    final int len = buf.remaining();
    ByteBuf nettyBuf = Unpooled.wrappedBuffer(buf);
    ChannelFuture future = channel.writeAndFlush(nettyBuf);

    if (log.isDebugEnabled()) {
        log.debug("Writing {} bytes to the upgraded socket", len);
    }//  w  w  w . j  a v  a2s. co  m

    future.addListener(new GenericFutureListener<Future<Void>>() {
        @Override
        public void operationComplete(Future<Void> voidFuture) {
            if (log.isDebugEnabled()) {
                log.debug("Upgraded socket write complete");
            }
            handler.ioComplete(0, len);
        }
    });
    return len;
}

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