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:com.scurrilous.circe.checksum.ChecksumTest.java

License:Apache License

@Test
public void testCrc32cValue() {
    final byte[] bytes = "Some String".getBytes();
    int checksum = Crc32cIntChecksum.computeChecksum(Unpooled.wrappedBuffer(bytes));

    assertEquals(608512271, checksum);/*from   ww w.j a  v a  2s  .com*/
}

From source file:com.scurrilous.circe.checksum.ChecksumTest.java

License:Apache License

@Test
public void testCrc32cValueResume() {
    final byte[] bytes = "Some String".getBytes();
    int checksum = Crc32cIntChecksum.resumeChecksum(0, Unpooled.wrappedBuffer(bytes));

    assertEquals(608512271, checksum);//  w ww  . j  a va 2 s. c o  m
}

From source file:com.scurrilous.circe.checksum.ChecksumTest.java

License:Apache License

@Test
public void testCrc32cLongValue() {
    final byte[] bytes = "Some String".getBytes();
    long checksum = Crc32cIntChecksum.computeChecksum(Unpooled.wrappedBuffer(bytes));

    assertEquals(608512271L, checksum);/*  w w w  .  j ava 2 s .c  o m*/
}

From source file:com.scurrilous.circe.checksum.ChecksumTest.java

License:Apache License

@Test
public void testCrc32cLongValueResume() {
    final byte[] bytes = "Some String".getBytes();
    long checksum = Crc32cIntChecksum.resumeChecksum(0, Unpooled.wrappedBuffer(bytes));

    assertEquals(608512271L, checksum);/* w  w  w. j  a v  a 2  s. co m*/
}

From source file:com.scurrilous.circe.checksum.ChecksumTest.java

License:Apache License

@Test
public void testCrc32cLongValueIncremental() {
    final byte[] bytes = "Some String".getBytes();

    long checksum = Crc32cLongChecksum.computeChecksum(Unpooled.wrappedBuffer(bytes));
    assertEquals(608512271, checksum);/* w  ww  .  jav  a  2 s . c om*/

    checksum = Crc32cLongChecksum.computeChecksum(Unpooled.wrappedBuffer(bytes, 0, 1));
    for (int i = 1; i < bytes.length; i++) {
        checksum = Crc32cLongChecksum.resumeChecksum(checksum, Unpooled.wrappedBuffer(bytes, i, 1));
    }
    assertEquals(608512271, checksum);

    ByteBuf buffer = Unpooled.wrappedBuffer(bytes, 0, 4);
    checksum = Crc32cLongChecksum.computeChecksum(buffer);
    checksum = Crc32cLongChecksum.resumeChecksum(checksum, Unpooled.wrappedBuffer(bytes, 4, bytes.length - 4));

    assertEquals(608512271, checksum);
}

From source file:com.seagate.kinetic.common.lib.Crc32cTagCalc.java

License:Open Source License

@Override
public ByteString calculateTag(byte[] value) {

    try {//from  w  ww .  jav  a 2 s.  c o m

        // netty io bytebuf
        ByteBuf bb = Unpooled.wrappedBuffer(value);

        // calculate crc32c checksum
        int cval = Snappy.calculateChecksum(bb);

        logger.info("****** cval = " + cval);

        // convert to byte[]
        byte[] checkSum = ByteBuffer.allocate(4).putInt(cval).array();

        // convert to bytestring and return
        return ByteString.copyFrom(checkSum);

    } finally {
        ;
    }
}

From source file:com.shiyq.netty.http.helloworld.HttpHelloWorldServerHandler.java

@Override
public void channelRead(ChannelHandlerContext ctx, Object 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 {/*  w  w  w.  ja  v a 2s. c o  m*/
            response.headers().set(CONNECTION, KEEP_ALIVE);
            ctx.write(response);
        }
    }
}

From source file:com.sixmac.imspeak.app.WebSocketClient.java

License:Apache License

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

    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();
                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.spotify.ffwd.debug.NettyDebugServer.java

License:Apache License

private void sendInspectPacket(Object event) throws Exception {
    final byte[] buf = (mapper.writeValueAsString(event) + LINE_ENDING).getBytes(UTF8);
    final ChannelFuture cf = connected.iterator().next().writeAndFlush(Unpooled.wrappedBuffer(buf));
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMTPUtils.java

License:Apache License

/**
 * Create a string from binary data, keeping printable ascii and hex encoding everything else.
 *
 * @param data The data/*ww  w .  ja va2s  .  c om*/
 * @return A string representation of the data
 */
public static String toString(final byte[] data) {
    if (data == null) {
        return null;
    }
    return toString(Unpooled.wrappedBuffer(data));
}