Example usage for io.netty.channel ChannelFutureListener CLOSE

Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener CLOSE.

Prototype

ChannelFutureListener CLOSE

To view the source code for io.netty.channel ChannelFutureListener CLOSE.

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Document

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture .

Usage

From source file:com.mapple.http.HttpHelloWorldServerHandler.java

License:Apache License

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

        if (HttpUtil.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }//from www . j  a v  a2 s.  c  o  m

        QueryStringDecoder decoder = new QueryStringDecoder(req.uri());
        List<String> close = decoder.parameters().get("close");
        int pos = -1;
        if (close != null && close.size() > 0) {
            pos = Integer.valueOf(close.get(0));
        }

        StringBuilder body = new StringBuilder();
        ConcurrentSet<Channel> proxyList = ForwardLoginHandler.INSTANCE.proxyList();
        int i = 0;
        AttributeKey<ForwardLogin> Session = AttributeKey.valueOf("Session");
        Iterator<Channel> it = proxyList.iterator();
        while (it.hasNext()) {
            Channel ch = it.next();
            ForwardLogin p = ch.attr(Session).get();
            body.append(i + 1);
            body.append("  ");
            body.append(p.getUserName());
            body.append("  ");
            body.append(
                    p.getProvince() + (p.getCity() == null ? "" : p.getCity()) + "[" + p.getProvince2() + "]");
            body.append("  ");
            body.append(p.getRemoteAddr() + ":" + p.getRemotePort());
            body.append("  ");
            body.append(p.getCarrier());
            body.append("  ");
            if (ch instanceof SocketChannel) {
                body.append("TCP");
            } else {
                body.append("UDT");
            }
            if (i++ == pos) {
                body.append("  [CLOSED]");
                ch.writeAndFlush(new ForwardForceClose());
            }
            body.append("\n");
        }
        String data = body.toString();
        if (data.isEmpty()) {
            data = "?";
        }

        //            boolean keepAlive = HttpUtil.isKeepAlive(req);
        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK,
                Unpooled.wrappedBuffer(data.getBytes(CharsetUtil.UTF_8)));
        response.headers().set(CONTENT_TYPE, "text/plain; charset=utf-8");
        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());

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

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From source file:com.mastfrog.acteur.Acteur.java

License:Open Source License

/**
 * Set a ChannelFutureListener which will be called after headers are
 * written and flushed to the socket; prefer
 * <code>setResponseWriter()</code> to this method unless you are not using
 * chunked encoding and want to stream your response (in which case, be sure
 * to setChunked(false) or you will have encoding errors).
 *
 * @param listener/* w  w  w  .j  a  va 2s.c om*/
 */
public final void setResponseBodyWriter(final ChannelFutureListener listener) {
    if (listener == ChannelFutureListener.CLOSE || listener == ChannelFutureListener.CLOSE_ON_FAILURE) {
        getResponse().setBodyWriter(listener);
        return;
    }
    final Page p = Page.get();
    final Application app = p.getApplication();
    class WL implements ChannelFutureListener, Callable<Void> {

        private ChannelFuture future;
        private Callable<Void> wrapper = app.getRequestScope().wrap(this);

        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            this.future = future;
            wrapper.call();
        }

        @Override
        public Void call() throws Exception {
            listener.operationComplete(future);
            return null;
        }

        @Override
        public String toString() {
            return "Scope wrapper for " + listener;
        }
    }
    getResponse().setBodyWriter(new WL());
}

---

From source file:com.mastfrog.acteur.Application.java

License:Open Source License

protected void send404(RequestID id, Event<?> event, Channel channel) {
    HttpResponse response = createNotFoundResponse(event);
    onBeforeRespond(id, event, response.getStatus());
    ChannelFutureListener closer = !ResponseImpl.isKeepAlive(event) ? ChannelFutureListener.CLOSE : null;
    ChannelFuture fut = channel.writeAndFlush(response);
    if (closer != null) {
        fut.addListener(closer);//from  w ww .  j ava 2  s  .  c  o m
    }
}

---

From source file:com.mastfrog.acteur.auth.AuthenticateBasicActeur.java

License:Open Source License

@Benchmark(value = "failedAuthentication", publish = Kind.CALL_COUNT)
private void unauthorized(Realm realm, HttpEvent evt, AuthenticationDecorator decorator, Page page,
        Response response) {/*from   w w w.ja  v  a  2s .  c o m*/
    decorator.onAuthenticationFailed(null, page, response);
    add(Headers.WWW_AUTHENTICATE, realm);
    setState(new RespondWith(HttpResponseStatus.UNAUTHORIZED));
    setResponseBodyWriter(ChannelFutureListener.CLOSE);
}

---

From source file:com.mastfrog.acteur.CheckIfNoneMatchHeader.java

@Inject
CheckIfNoneMatchHeader(HttpEvent event, Page page) throws Exception {
    Checks.notNull("event", event);
    Checks.notNull("page", page);
    String etag = event.getHeader(Headers.IF_NONE_MATCH);
    String pageEtag = page.getResponseHeaders().getETag();
    if (etag != null && pageEtag != null) {
        if (etag.equals(pageEtag)) {
            setState(new RespondWith(HttpResponseStatus.NOT_MODIFIED));
            // XXX workaround for peculiar problem with FileResource =
            // not modified responses are leaving a hanging connection
            setResponseBodyWriter(ChannelFutureListener.CLOSE);
            return;
        }//  w  w w.j  a  va 2s  . c o  m
    }
    setState(new ConsumedState());
}

---

From source file:com.mastfrog.acteur.ResponseImpl.java

License:Open Source License

public HttpResponse toResponse(Event<?> evt, Charset charset) {
    if (!canHaveBody(getResponseCode()) && (message != null || listener != null)) {
        if (listener != ChannelFutureListener.CLOSE) {
            System.err.println(evt + " attempts to attach a body to " + getResponseCode()
                    + " which cannot have one: " + message + " - " + listener);
        }//from   w w w.  j  a  v  a 2 s.  c  o m
    }
    String msg = getMessage();
    HttpResponse resp;
    if (msg != null) {
        ByteBuf buf = Unpooled.copiedBuffer(msg, charset);
        long size = buf.readableBytes();
        add(Headers.CONTENT_LENGTH, size);
        DefaultFullHttpResponse r = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, getResponseCode(), buf);
        resp = r;
    } else {
        resp = new HackHttpResponse(getResponseCode(), this.status == NOT_MODIFIED ? false : chunked);
    }
    for (Entry<?> e : headers) {
        // Remove things which cause problems for non-modified responses -
        // browsers will hold the connection open regardless
        if (this.status == NOT_MODIFIED) {
            if (e.decorator == Headers.CONTENT_LENGTH) {
                continue;
            } else if (HttpHeaders.Names.CONTENT_ENCODING.equals(e.decorator.name())) {
                continue;
            } else if ("Transfer-Encoding".equals(e.decorator.name())) {
                continue;
            }
        }
        e.write(resp);
    }
    return resp;
}

---

From source file:com.mastfrog.acteur.ResponseImpl.java

License:Open Source License

ChannelFuture sendMessage(Event<?> evt, ChannelFuture future, HttpMessage resp) {
    if (listener != null) {
        future = future.addListener(listener);
        return future;
    } else if (!isKeepAlive(evt)) {
        future = future.addListener(ChannelFutureListener.CLOSE);
    }//from   w w  w .ja v  a 2  s. c  o m
    return future;
}

---

From source file:com.mastfrog.tinymavenproxy.GetActeur.java

License:Open Source License

@Inject
GetActeur(HttpEvent req, Deferral def, Config config, FileFinder finder, Closables clos, Downloader dl,
        @Named(ACCESS_LOGGER) Logger accessLog, RequestID id) throws FileNotFoundException {
    if ("true".equals(req.getParameter("browse")) || "true".equals(req.getParameter("index"))) {
        reject();/*from  w w w.  j ava 2  s  .  c  o m*/
        return;
    }
    Path path = req.getPath();
    if (path.size() == 0) {
        reject();
        return;
    }
    if (path.toString().contains("..")) {
        setState(new RespondWith(Err.badRequest("Relative paths not allowed")));
        return;
    }
    File file = finder.find(path);
    if (file != null) {
        try (Log<?> log = accessLog.info("fetch")) {
            log.add("path", path).add("id", id).add("cached", true);
            add(Headers.LAST_MODIFIED, new DateTime(file.lastModified()));
            setState(new RespondWith(HttpResponseStatus.OK));
            add(Headers.CONTENT_TYPE, findMimeType(path));
            if (req.getMethod() != HEAD) {
                setResponseBodyWriter(new FileWriter(file, clos));
            }
        }
    } else {
        if (dl.isFailedPath(path)) {
            setState(new RespondWith(404));
            setResponseBodyWriter(ChannelFutureListener.CLOSE);
            return;
        }
        setChunked(true);
        final Resumer r = def.defer();
        ChannelFutureListener l = dl.download(path, id, new DownloadReceiverImpl(r));
        req.getChannel().closeFuture().addListener(l);
        next();
    }
}

---

From source file:com.miko.s4netty.handler.WorkerProviderHandler.java

License:Open Source License

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

        if (is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }//  w  w  w. j  a v  a  2s  .co  m

        boolean keepAlive = isKeepAlive(req);

        logger.debug("channelRead keepAlive= " + keepAlive);

        Gson gson = new Gson();
        List<CarDTO> carList = simpleCarService.getAll();

        Map<String, List<CarDTO>> byMake = simpleCarService.getAll().stream()
                .collect(Collectors.groupingBy(CarDTO::getMake));
        System.out.println("byMake = " + byMake);
        System.out.println("byMake Skoda= " + byMake.get("Skoda").iterator().next().getModel());

        JsonElement element = gson.toJsonTree(carList, new TypeToken<List<CarDTO>>() {
        }.getType());
        JsonArray jsonArray = element.getAsJsonArray();

        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK,
                Unpooled.wrappedBuffer(jsonArray.toString().getBytes()));
        response.headers().set(CONTENT_TYPE, "application/json");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

        //ignoring KeepAlive
        ctx.write(response).addListener(ChannelFutureListener.CLOSE);

    }
}

---

From source file:com.mpush.common.message.BaseMessage.java

License:Apache License

public void close() {
    send(ChannelFutureListener.CLOSE);
}

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