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:edu.upennlib.redirect.RedirectHandler.java

License:Apache License

private void badRequest(String message, ChannelHandlerContext ctx) {
    ByteBuf content = Unpooled.wrappedBuffer(message.getBytes(UTF8));
    DefaultFullHttpResponse resp = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
            HttpResponseStatus.BAD_REQUEST, content);
    HttpHeaders.setContentLength(resp, content.readableBytes());
    ctx.writeAndFlush(resp).addListener(ChannelFutureListener.CLOSE);
}

From source file:errorcode.DaumStatusServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    FullHttpResponse response = null;/*from  w  ww . j a  v a2s.c  o  m*/

    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());

        if (is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }
        boolean keepAlive = isKeepAlive(req);
        if (queryDecoder.path().startsWith("/503.html")) {
            response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(E503));
            response.setStatus(SERVICE_UNAVAILABLE);
        } else {
            response = new DefaultFullHttpResponse(HTTP_1_1, OK, Unpooled.wrappedBuffer(E404));
            response.setStatus(NOT_FOUND);
        }

        response.headers().set(CONTENT_TYPE, "text/html");
        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);
        }
    }
}

From source file:esens.wp6.ibmJmsBackend.log4http.HttpLogServerHandler.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 w w  . j  av a 2s  . c o  m*/
        boolean keepAlive = HttpHeaderUtil.isKeepAlive(req);
        System.out.println(req.uri());

        //get number of lines to show from the request uri.

        String lines = "-n 500"; //pull last 500 lines as default
        if (req.uri().equals("/")) {
            //all lines
        } else {
            try {
                lines = "-n " + Integer.parseInt(req.uri().substring(1));
            } catch (NumberFormatException ex) {

            }
        }
        //LOGGER.debug("# of lines to tail \"" + lines + "\"");
        /**
         * *********** DOES NOT WORK ON WINDOWS because uses tail command
         */
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        try {
            final Process exec = Runtime.getRuntime().exec("tail " + lines + " logs/ibm-jms-backend.log");

            BufferedReader br = new BufferedReader(new InputStreamReader(exec.getInputStream()));

            String line = null;

            while ((line = br.readLine()) != null) {
                pw.println(line);
            }
        } catch (Exception ex) {
            LOGGER.error("Couldn't run tail, are you using Windows (smirk)");
            pw.println("Couldn't run tail, are you using Windows (smirk)");
            LOGGER.error(ex.getMessage(), ex);
            ex.printStackTrace(pw);
        }

        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK,
                Unpooled.wrappedBuffer(sw.toString().getBytes()));
        response.headers().set(CONTENT_TYPE, "text/plain");
        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

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

From source file:eu.heronnet.module.kad.net.ClientImpl.java

License:Open Source License

private void broadcastOnInterface(InterfaceAddress interfaceAddress, Messages.Request request) {
    InetAddress broadcast = interfaceAddress.getBroadcast();
    if (broadcast != null) {
        ByteString messageId = request.getMessageId();
        udpBoostrap.handler(new ResponseHandler(messageId.toByteArray()));
        udpBoostrap.bind(0).addListener(new ChannelFutureListener() {
            @Override//from   w ww .j av a 2 s.com
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    final Channel channel = future.channel();

                    final ByteBuf requestBuffer = Unpooled.wrappedBuffer(request.toByteArray());
                    final DatagramPacket datagramPacket = new DatagramPacket(requestBuffer,
                            new InetSocketAddress(broadcast, selfNodeProvider.getSelf().getPort()));
                    channel.writeAndFlush(datagramPacket);
                    channel.close();
                    logger.debug("completed operation: {}", future.toString());
                } else {
                    logger.error("Error in channel bootstrap: {}", future.cause().getMessage());
                }
            }
        });
    }
}

From source file:eu.jangos.realm.network.packet.client.auth.CMSG_AUTH_SESSION.java

License:Apache License

@Override
public void decode(ByteBuf buf) throws Exception {
    if (buf.readableBytes() < this.size) {
        throw new Exception();
    }/*  ww w  . j a va  2s . c om*/

    buf.readShort();
    this.build = buf.readInt();
    this.unknown = buf.readInt();

    StringBuilder b = new StringBuilder();

    byte c;

    while ((c = buf.readByte()) != 0) {
        b.append((char) c);
    }

    this.account = b.toString();
    this.seed = buf.readBytes(4).array();
    this.digest = buf.readBytes(20).array();

    int sizeAddons = buf.readInt();

    byte[] compressedAddons = buf.readBytes(buf.readableBytes()).array();

    Inflater decompressor = new Inflater();
    decompressor.setInput(compressedAddons);

    ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedAddons.length);

    final byte[] buffer = new byte[1024];
    while (!decompressor.finished()) {
        try {
            final int count = decompressor.inflate(buffer);
            bos.write(buffer, 0, count);
        } catch (final DataFormatException e) {
        }
    }
    try {
        bos.close();
    } catch (final IOException e) {
    }

    final byte[] decompressedAddons = bos.toByteArray();

    if (sizeAddons != decompressedAddons.length) {
        System.out.println("Something went wrong");
        return;
    }

    ByteBuf addonBuffer = Unpooled.wrappedBuffer(decompressedAddons).order(ByteOrder.LITTLE_ENDIAN);

    this.listAddon = new ArrayList<>();

    while (addonBuffer.isReadable()) {
        String name;
        byte unk6;
        int crc, unk7;

        b = new StringBuilder();
        while ((c = addonBuffer.readByte()) != 0) {
            b.append((char) c);
        }

        name = b.toString();

        crc = addonBuffer.readInt();
        unk7 = addonBuffer.readInt();
        unk6 = addonBuffer.readByte();

        AddonInfo info = new AddonInfo(name, unk6, crc, unk7);
        this.listAddon.add(info);
    }

}

From source file:eu.netide.backend.ZeroMQBaseConnector.java

License:Open Source License

@Override
public void run() {
    ZMQ.Socket socket = context.socket(ZMQ.DEALER);
    socket.setIdentity(BackendLayer.MODULE_NAME.getBytes());
    socket.connect("tcp://" + getAddress() + ":" + getPort());
    log.info("Trying to connect to core on address tcp://" + getAddress() + ":" + getPort());

    ZMQ.Socket controlSocket = context.socket(ZMQ.PULL);
    controlSocket.bind(CONTROL_ADDRESS);

    ZMQ.Poller poller = new ZMQ.Poller(2);
    poller.register(socket, ZMQ.Poller.POLLIN);
    poller.register(controlSocket, ZMQ.Poller.POLLIN);

    while (!Thread.currentThread().isInterrupted()) {
        poller.poll(10);/*from w  ww. jav  a 2 s  .  c  o  m*/
        if (poller.pollin(0)) {
            ZMsg message = ZMsg.recvMsg(socket);
            byte[] data = message.getLast().getData();
            if (coreListener != null) {
                Message msg = NetIPConverter.parseConcreteMessage(data);
                if (msg instanceof HelloMessage) {

                    coreListener.onHelloCoreMessage(((HelloMessage) msg).getSupportedProtocols(),
                            ((HelloMessage) msg).getHeader().getModuleId());
                } else if (msg instanceof OpenFlowMessage) {

                    byte[] payload = msg.getPayload();
                    coreListener.onOpenFlowCoreMessage(msg.getHeader().getDatapathId(),
                            Unpooled.wrappedBuffer(payload), msg.getHeader().getModuleId(),
                            msg.getHeader().getTransactionId());
                } else if (msg instanceof ModuleAcknowledgeMessage) {
                    int moduleId = ((ModuleAcknowledgeMessage) msg).getHeader().getModuleId();
                    String moduleName = ((ModuleAcknowledgeMessage) msg).getModuleName();
                    log.info("Module Announcement received. ModuleName: " + moduleName + " ModuleId: "
                            + moduleId);
                    moduleListener.onModuleAckMessage(moduleName, moduleId);
                } else {
                    // LOG.info("Core Unrecognized Message received class
                    // {}, header: {}", msg.getClass(),
                    // msg.getHeader().getMessageType());
                }
            }
        }
        if (poller.pollin(1)) {
            ZMsg message = ZMsg.recvMsg(controlSocket);
            if (message.getFirst().toString().equals(STOP_COMMAND)) {
                log.info("Received STOP command. Exiting...");
                break;
            } else {
                message.send(socket);
            }
        }
    }
    socket.close();
    controlSocket.close();
}

From source file:eu.netide.shim.ZeroMQBaseConnector.java

License:Open Source License

@Override
public void run() {
    ZMQ.Socket socket = context.socket(ZMQ.DEALER);
    socket.setIdentity("shim".getBytes());
    socket.connect("tcp://" + getAddress() + ":" + getPort());
    log.info("Trying to connect to core on address tcp://" + getAddress() + ":" + getPort());

    ZMQ.Socket controlSocket = context.socket(ZMQ.PULL);
    controlSocket.bind(CONTROL_ADDRESS);

    ZMQ.Poller poller = new ZMQ.Poller(2);
    poller.register(socket, ZMQ.Poller.POLLIN);
    poller.register(controlSocket, ZMQ.Poller.POLLIN);

    while (!Thread.currentThread().isInterrupted()) {
        poller.poll(10);//  w w  w. j av a2 s . co  m
        if (poller.pollin(0)) {
            ZMsg message = ZMsg.recvMsg(socket);
            byte[] data = message.getLast().getData();
            if (coreListener != null) {
                Message msg = NetIPConverter.parseConcreteMessage(data);
                log.debug("Core message: {}", msg);
                if (msg instanceof HelloMessage) {

                    coreListener.onHelloCoreMessage(((HelloMessage) msg).getSupportedProtocols(),
                            ((HelloMessage) msg).getHeader().getModuleId());
                } else if (msg instanceof OpenFlowMessage) {

                    byte[] payload = msg.getPayload();
                    coreListener.onOpenFlowCoreMessage(msg.getHeader().getDatapathId(),
                            Unpooled.wrappedBuffer(payload), msg.getHeader().getModuleId());
                } else {
                    // LOG.info("Core Unrecognized Message received class
                    // {}, header: {}", msg.getClass(),
                    // msg.getHeader().getMessageType());
                }
            }
        }
        if (poller.pollin(1)) {
            ZMsg message = ZMsg.recvMsg(controlSocket);
            if (message.getFirst().toString().equals(STOP_COMMAND)) {
                log.info("Received STOP command. Exiting...");
                break;
            } else {
                message.send(socket);
            }
        }
    }
    socket.close();
    controlSocket.close();
}

From source file:eu.smartenit.sbox.interfaces.sboxsdn.SboxSdnClient.java

License:Apache License

/**
 * The method that prepares the HTTP request header.
 * //from  w  w w. j a  va 2s.c o  m
 * @param uri
 *            The URI of the SDN controller REST API
 * @param content
 *            The content to be sent, as plain text
 */
public DefaultFullHttpRequest prepareHttpRequest(URI uri, String content) {
    logger.debug("Preparing the http request.");
    // Create the HTTP content bytes.
    /*
    ByteBuf buffer = ByteBufUtil.encodeString(ByteBufAllocator.DEFAULT,
    CharBuffer.wrap(content), CharsetUtil.UTF_8);
    */

    // Prepare the HTTP request.
    // Set the HTTP protocol version, method, uri and content.
    /*
    DefaultFullHttpRequest request = new DefaultFullHttpRequest(
    HttpVersion.HTTP_1_1, HttpMethod.POST, uri.getRawPath(), buffer);
    */
    DefaultFullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
            uri.getRawPath(), Unpooled.wrappedBuffer(content.getBytes()));

    // Set certain header parameters.
    request.headers().set(HttpHeaders.Names.HOST, uri.getHost());
    request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    request.headers().set(HttpHeaders.Names.ACCEPT, "application/json; q=0.9,*/*;q=0.8");
    request.headers().set(HttpHeaders.Names.CONTENT_TYPE, "application/json; charset=UTF-8");
    request.headers().set(HttpHeaders.Names.CONTENT_LENGTH, content.length());
    request.headers().set(HttpHeaders.Names.PRAGMA, HttpHeaders.Values.NO_CACHE);
    request.headers().set(HttpHeaders.Names.CACHE_CONTROL, HttpHeaders.Values.NO_CACHE);

    // Set some example cookies.
    request.headers().set(HttpHeaders.Names.COOKIE,
            ClientCookieEncoder.encode(new DefaultCookie("smartenit-cookie", "smartenit")));
    logger.debug("Prepared the following HTTP request to be sent: \n" + request.toString() + "\n"
            + request.content().toString(CharsetUtil.UTF_8));
    return request;
}

From source file:forestry.core.network.ForestryPacket.java

License:Open Source License

public FMLProxyPacket getPacket() {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    DataOutputStream data = new DataOutputStream(bytes);

    try {/*from  w  w w . jav a2s. com*/
        data.writeByte(getID());
        writeData(data);
    } catch (IOException e) {
        e.printStackTrace();
    }

    return new FMLProxyPacket(Unpooled.wrappedBuffer(bytes.toByteArray()), channel);
}

From source file:fr.kissy.zergling_push.infrastructure.FlatBufferMessageHandler.java

License:Apache License

private BinaryWebSocketFrame createTimeSyncResponse(TimeSyncRequest timeSyncRequest) {
    FlatBufferBuilder fbb = new FlatBufferBuilder();
    int offset = TimeSyncResponse.createTimeSyncResponse(fbb, timeSyncRequest.time(), MainLoop.serverTime,
            MainLoop.serverStartTime);//from  w  w  w. j a v a2s.c  o  m
    TimeSyncResponse.finishTimeSyncResponseBuffer(fbb, offset);
    ByteBuf byteBuf = Unpooled.wrappedBuffer(fbb.dataBuffer());
    return new BinaryWebSocketFrame(byteBuf);
}