Exemplo n.º 1
1
  private static HttpResponse addEtag(
      HttpRequest nettyRequest, HttpResponse httpResponse, File file) {
    if (Play.mode == Play.Mode.DEV) {
      httpResponse.setHeader(CACHE_CONTROL, "no-cache");
    } else {
      String maxAge = Play.configuration.getProperty("http.cacheControl", "3600");
      if (maxAge.equals("0")) {
        httpResponse.setHeader(CACHE_CONTROL, "no-cache");
      } else {
        httpResponse.setHeader(CACHE_CONTROL, "max-age=" + maxAge);
      }
    }
    boolean useEtag = Play.configuration.getProperty("http.useETag", "true").equals("true");
    long last = file.lastModified();
    final String etag = "\"" + last + "-" + file.hashCode() + "\"";
    if (!isModified(etag, last, nettyRequest)) {
      if (nettyRequest.getMethod().equals(HttpMethod.GET)) {
        httpResponse.setStatus(HttpResponseStatus.NOT_MODIFIED);
      }
      if (useEtag) {
        httpResponse.setHeader(ETAG, etag);
      }

    } else {
      httpResponse.setHeader(LAST_MODIFIED, Utils.getHttpDateFormatter().format(new Date(last)));
      if (useEtag) {
        httpResponse.setHeader(ETAG, etag);
      }
    }
    return httpResponse;
  }
Exemplo n.º 2
0
  public static void serve404(
      NotFound e, ChannelHandlerContext ctx, Request request, HttpRequest nettyRequest) {
    Logger.trace("serve404: begin");
    HttpResponse nettyResponse =
        new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND);
    nettyResponse.setHeader(SERVER, signature);

    nettyResponse.setHeader(CONTENT_TYPE, "text/html");
    Map<String, Object> binding = getBindingForErrors(e, false);

    String format = Request.current().format;
    if (format == null) {
      format = "txt";
    }
    nettyResponse.setHeader(
        CONTENT_TYPE, (MimeTypes.getContentType("404." + format, "text/plain")));

    String errorHtml = TemplateLoader.load("errors/404." + format).render(binding);
    try {
      ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8"));
      nettyResponse.setContent(buf);
      ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
      writeFuture.addListener(ChannelFutureListener.CLOSE);
    } catch (UnsupportedEncodingException fex) {
      Logger.error(fex, "(utf-8 ?)");
    }
    Logger.trace("serve404: end");
  }
Exemplo n.º 3
0
  protected static void addToResponse(Response response, HttpResponse nettyResponse) {
    Map<String, Http.Header> headers = response.headers;
    for (Map.Entry<String, Http.Header> entry : headers.entrySet()) {
      Http.Header hd = entry.getValue();
      for (String value : hd.values) {
        nettyResponse.setHeader(entry.getKey(), value);
      }
    }
    Map<String, Http.Cookie> cookies = response.cookies;

    for (Http.Cookie cookie : cookies.values()) {
      CookieEncoder encoder = new CookieEncoder(true);
      Cookie c = new DefaultCookie(cookie.name, cookie.value);
      c.setSecure(cookie.secure);
      c.setPath(cookie.path);
      if (cookie.domain != null) {
        c.setDomain(cookie.domain);
      }
      if (cookie.maxAge != null) {
        c.setMaxAge(cookie.maxAge);
      }
      c.setHttpOnly(cookie.httpOnly);
      encoder.addCookie(c);
      nettyResponse.addHeader(SET_COOKIE, encoder.encode());
    }

    if (!response.headers.containsKey(CACHE_CONTROL)) {
      nettyResponse.setHeader(CACHE_CONTROL, "no-cache");
    }
  }
    private void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) {
      HttpResponse response = new DefaultHttpResponse(HTTP_1_1, status);
      response.setHeader(CONTENT_TYPE, "text/plain; charset=UTF-8");
      response.setContent(ChannelBuffers.copiedBuffer(message, CharsetUtil.UTF_8));

      // Close the connection as soon as the error message is sent.
      ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
    }
  private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
    response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
    response.setContent(
        ChannelBuffers.copiedBuffer(
            "Failure: " + status.toString() + "\r\n", Charset.forName("UTF-8")));

    // Close the connection as soon as the error message is sent.
    ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
  }
Exemplo n.º 6
0
 @Override
 public void messageReceived(ChannelHandlerContext context, MessageEvent e) throws Exception {
   if (e.getMessage() instanceof HttpRequest) {
     HttpRequest message = (HttpRequest) e.getMessage();
     HttpResponse response;
     if (new QueryStringDecoder(message.getUri()).getPath().equals(START_TIME_PATH)) {
       response = new DefaultHttpResponse(HTTP_1_1, OK);
       response.setHeader("Access-Control-Allow-Origin", "*");
       response.setContent(
           ChannelBuffers.copiedBuffer(getApplicationStartTime(), CharsetUtil.US_ASCII));
     } else {
       response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND);
     }
     context.getChannel().write(response).addListener(ChannelFutureListener.CLOSE);
   }
 }
Exemplo n.º 7
0
  protected static void writeResponse(
      ChannelHandlerContext ctx,
      Response response,
      HttpResponse nettyResponse,
      HttpRequest nettyRequest) {
    Logger.trace("writeResponse: begin");
    byte[] content = null;

    final boolean keepAlive = isKeepAlive(nettyRequest);
    if (nettyRequest.getMethod().equals(HttpMethod.HEAD)) {
      content = new byte[0];
    } else {
      content = response.out.toByteArray();
    }

    ChannelBuffer buf = ChannelBuffers.copiedBuffer(content);
    nettyResponse.setContent(buf);

    if (keepAlive) {
      // Add 'Content-Length' header only for a keep-alive connection.
      Logger.trace("writeResponse: content length [" + response.out.size() + "]");
      setContentLength(nettyResponse, response.out.size());
    }

    ChannelFuture f = ctx.getChannel().write(nettyResponse);

    // Decide whether to close the connection or not.
    if (!keepAlive) {
      // Close the connection when the whole content is written out.
      f.addListener(ChannelFutureListener.CLOSE);
    }
    Logger.trace("writeResponse: end");
  }
Exemplo n.º 8
0
  private void sendHttpResponse(Channel channel, HttpRequest request, HttpResponse response) {
    if (!channel.isOpen()) {
      return;
    }

    // response的内容已在各Listener中填充
    response.headers().set(Names.CONTENT_LENGTH, response.getContent().readableBytes());
    response.headers().set(Names.SERVER, "NAVI/1.1.4(UNIX)");

    if (!HttpHeaders.isKeepAlive(request)
        || response.getStatus() != HttpResponseStatus.OK
        || ServerConfigure.isChannelClose()) {
      response.headers().set(Names.CONNECTION, "close");
      channel.setAttachment(WRITING);
      ChannelFuture f = channel.write(response);
      f.addListener(ChannelFutureListener.CLOSE);
      f.addListener(
          new ChannelFutureListener() {

            public void operationComplete(ChannelFuture f) throws Exception {
              if (!f.isSuccess()) {
                log.error(f.getCause().getMessage(), f.getCause());
              }
            }
          });
    } else {
      if (request.getProtocolVersion() == HttpVersion.HTTP_1_0) {
        response.headers().add(Names.CONNECTION, "Keep-Alive");
      }
      channel.setAttachment(WRITING);
      ChannelFuture f = channel.write(response);
      f.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
      f.addListener(
          new ChannelFutureListener() {

            public void operationComplete(ChannelFuture f) throws Exception {
              if (!f.isSuccess()) {
                log.error(f.getCause().getMessage(), f.getCause());
              }
            }
          });
    }
  }
Exemplo n.º 9
0
    @Override
    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
      if (!readingChunks) {
        HttpResponse response = (HttpResponse) e.getMessage();

        StringBuilder sb = new StringBuilder();
        if (LOG.isDebugEnabled()) {
          sb.append("STATUS: ")
              .append(response.getStatus())
              .append(", VERSION: ")
              .append(response.getProtocolVersion())
              .append(", HEADER: ");
        }
        if (!response.getHeaderNames().isEmpty()) {
          for (String name : response.getHeaderNames()) {
            for (String value : response.getHeaders(name)) {
              if (LOG.isDebugEnabled()) {
                sb.append(name + " = " + value);
              }
              if (this.length == -1 && name.equals("Content-Length")) {
                this.length = Long.valueOf(value);
              }
            }
          }
        }
        if (LOG.isDebugEnabled()) {
          LOG.debug(sb.toString());
        }

        if (response.getStatus() == HttpResponseStatus.NO_CONTENT) {
          LOG.info("There are no data corresponding to the request");
          return;
        }

        this.raf = new RandomAccessFile(file, "rw");
        this.fc = raf.getChannel();

        if (response.isChunked()) {
          readingChunks = true;
        } else {
          ChannelBuffer content = response.getContent();
          if (content.readable()) {
            fc.write(content.toByteBuffer());
          }
        }
      } else {
        HttpChunk chunk = (HttpChunk) e.getMessage();
        if (chunk.isLast()) {
          readingChunks = false;
          long fileLength = fc.position();
          fc.close();
          raf.close();
          if (fileLength == length) {
            LOG.info("Data fetch is done (total received bytes: " + fileLength + ")");
          } else {
            LOG.info(
                "Data fetch is done, but cannot get all data "
                    + "(received/total: "
                    + fileLength
                    + "/"
                    + length
                    + ")");
          }
        } else {
          fc.write(chunk.getContent().toByteBuffer());
        }
      }
    }
Exemplo n.º 10
0
  public void serveStatic(
      RenderStatic renderStatic,
      ChannelHandlerContext ctx,
      Request request,
      Response response,
      HttpRequest nettyRequest,
      MessageEvent e) {
    Logger.trace("serveStatic: begin");
    HttpResponse nettyResponse =
        new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status));
    if (exposePlayServer) {
      nettyResponse.setHeader(SERVER, signature);
    }
    try {
      VirtualFile file = Play.getVirtualFile(renderStatic.file);
      if (file != null && file.exists() && file.isDirectory()) {
        file = file.child("index.html");
        if (file != null) {
          renderStatic.file = file.relativePath();
        }
      }
      if ((file == null || !file.exists())) {
        serve404(
            new NotFound("The file " + renderStatic.file + " does not exist"),
            ctx,
            request,
            nettyRequest);
      } else {
        boolean raw = false;
        for (PlayPlugin plugin : Play.plugins) {
          if (plugin.serveStatic(file, Request.current(), Response.current())) {
            raw = true;
            break;
          }
        }
        if (raw) {
          copyResponse(ctx, request, response, nettyRequest);
        } else {
          final File localFile = file.getRealFile();
          final boolean keepAlive = isKeepAlive(nettyRequest);
          nettyResponse = addEtag(nettyRequest, nettyResponse, localFile);

          if (nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {

            Channel ch = e.getChannel();

            // Write the initial line and the header.
            ChannelFuture writeFuture = ch.write(nettyResponse);
            if (!keepAlive) {
              // Write the content.
              writeFuture.addListener(ChannelFutureListener.CLOSE);
            }
          } else {

            final RandomAccessFile raf = new RandomAccessFile(localFile, "r");
            try {
              long fileLength = raf.length();

              Logger.trace("keep alive " + keepAlive);
              Logger.trace(
                  "content type " + (MimeTypes.getContentType(localFile.getName(), "text/plain")));

              if (keepAlive && !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
                // Add 'Content-Length' header only for a keep-alive connection.
                Logger.trace("file length " + fileLength);
                setContentLength(nettyResponse, fileLength);
              }

              nettyResponse.setHeader(
                  CONTENT_TYPE, (MimeTypes.getContentType(localFile.getName(), "text/plain")));

              Channel ch = e.getChannel();

              // Write the initial line and the header.
              ChannelFuture writeFuture = ch.write(nettyResponse);

              // Write the content.
              if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)) {
                writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
              } else {
                raf.close();
              }

              if (!keepAlive) {
                // Close the connection when the whole content is written out.
                writeFuture.addListener(ChannelFutureListener.CLOSE);
              }
            } catch (Throwable exx) {
              try {
                raf.close();
              } catch (Throwable ex) {
                /* Left empty */
              }
              try {
                ctx.getChannel().close();
              } catch (Throwable ex) {
                /* Left empty */
              }
            }
          }
        }
      }
    } catch (Throwable ez) {
      Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url);
      try {
        HttpResponse errorResponse =
            new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
        ChannelBuffer buf =
            ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
        errorResponse.setContent(buf);
        ChannelFuture future = ctx.getChannel().write(errorResponse);
        future.addListener(ChannelFutureListener.CLOSE);
      } catch (Exception ex) {
        Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url);
      }
    }
    Logger.trace("serveStatic: end");
  }
Exemplo n.º 11
0
  // TODO: add request and response as parameter
  public static void serve500(Exception e, ChannelHandlerContext ctx, HttpRequest nettyRequest) {
    Logger.trace("serve500: begin");
    HttpResponse nettyResponse =
        new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
    if (exposePlayServer) {
      nettyResponse.setHeader(SERVER, signature);
    }

    Request request = Request.current();
    Response response = Response.current();

    try {
      if (!(e instanceof PlayException)) {
        e = new play.exceptions.UnexpectedException(e);
      }

      // Flush some cookies
      try {

        Map<String, Http.Cookie> cookies = response.cookies;
        for (Http.Cookie cookie : cookies.values()) {
          CookieEncoder encoder = new CookieEncoder(true);
          Cookie c = new DefaultCookie(cookie.name, cookie.value);
          c.setSecure(cookie.secure);
          c.setPath(cookie.path);
          if (cookie.domain != null) {
            c.setDomain(cookie.domain);
          }
          if (cookie.maxAge != null) {
            c.setMaxAge(cookie.maxAge);
          }
          c.setHttpOnly(cookie.httpOnly);
          encoder.addCookie(c);
          nettyResponse.addHeader(SET_COOKIE, encoder.encode());
        }

      } catch (Exception exx) {
        Logger.error(e, "Trying to flush cookies");
        // humm ?
      }
      Map<String, Object> binding = getBindingForErrors(e, true);

      String format = request.format;
      if (format == null) {
        format = "txt";
      }

      nettyResponse.setHeader(
          "Content-Type", (MimeTypes.getContentType("500." + format, "text/plain")));
      try {
        String errorHtml = TemplateLoader.load("errors/500." + format).render(binding);

        ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8"));
        nettyResponse.setContent(buf);
        ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
        writeFuture.addListener(ChannelFutureListener.CLOSE);
        Logger.error(
            e, "Internal Server Error (500) for request %s", request.method + " " + request.url);
      } catch (Throwable ex) {
        Logger.error(
            e, "Internal Server Error (500) for request %s", request.method + " " + request.url);
        Logger.error(ex, "Error during the 500 response generation");
        try {
          ChannelBuffer buf =
              ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
          nettyResponse.setContent(buf);
          ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
          writeFuture.addListener(ChannelFutureListener.CLOSE);
        } catch (UnsupportedEncodingException fex) {
          Logger.error(fex, "(utf-8 ?)");
        }
      }
    } catch (Throwable exxx) {
      try {
        ChannelBuffer buf =
            ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8"));
        nettyResponse.setContent(buf);
        ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
        writeFuture.addListener(ChannelFutureListener.CLOSE);
      } catch (Exception fex) {
        Logger.error(fex, "(utf-8 ?)");
      }
      if (exxx instanceof RuntimeException) {
        throw (RuntimeException) exxx;
      }
      throw new RuntimeException(exxx);
    }
    Logger.trace("serve500: end");
  }
Exemplo n.º 12
0
  public void copyResponse(
      ChannelHandlerContext ctx, Request request, Response response, HttpRequest nettyRequest)
      throws Exception {
    Logger.trace("copyResponse: begin");
    // response.out.flush();

    // Decide whether to close the connection or not.

    HttpResponse nettyResponse =
        new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status));
    if (exposePlayServer) {
      nettyResponse.setHeader(SERVER, signature);
    }

    if (response.contentType != null) {
      nettyResponse.setHeader(
          CONTENT_TYPE,
          response.contentType
              + (response.contentType.startsWith("text/")
                      && !response.contentType.contains("charset")
                  ? "; charset=utf-8"
                  : ""));
    } else {
      nettyResponse.setHeader(CONTENT_TYPE, "text/plain; charset=utf-8");
    }

    addToResponse(response, nettyResponse);

    final Object obj = response.direct;
    File file = null;
    ChunkedInput stream = null;
    InputStream is = null;
    if (obj instanceof File) {
      file = (File) obj;
    } else if (obj instanceof InputStream) {
      is = (InputStream) obj;
    } else if (obj instanceof ChunkedInput) {
      stream = (ChunkedInput) obj;
    }

    final boolean keepAlive = isKeepAlive(nettyRequest);
    if (file != null && file.isFile()) {
      try {
        nettyResponse = addEtag(nettyRequest, nettyResponse, file);
        if (nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {

          Channel ch = ctx.getChannel();

          // Write the initial line and the header.
          ChannelFuture writeFuture = ch.write(nettyResponse);

          if (!keepAlive) {
            // Close the connection when the whole content is written out.
            writeFuture.addListener(ChannelFutureListener.CLOSE);
          }
        } else {
          nettyResponse.setHeader(
              CONTENT_TYPE, MimeTypes.getContentType(file.getName(), "text/plain"));
          final RandomAccessFile raf = new RandomAccessFile(file, "r");
          try {
            long fileLength = raf.length();

            if (keepAlive) {
              // Add 'Content-Length' header only for a keep-alive connection.
              Logger.trace("file length is [" + fileLength + "]");
              setContentLength(nettyResponse, fileLength);
            }

            Channel ch = ctx.getChannel();

            // Write the initial line and the header.
            ChannelFuture writeFuture = ch.write(nettyResponse);

            // Write the content.
            // If it is not a HEAD
            if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)) {
              writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
            } else {
              raf.close();
            }
            if (!keepAlive) {
              // Close the connection when the whole content is written out.
              writeFuture.addListener(ChannelFutureListener.CLOSE);
            }
          } catch (Throwable exx) {
            try {
              raf.close();
            } catch (Throwable ex) {
              /* Left empty */
            }
            try {
              ctx.getChannel().close();
            } catch (Throwable ex) {
              /* Left empty */
            }
          }
        }
      } catch (Exception e) {
        throw e;
      }
    } else if (is != null) {
      ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
      if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)
          && !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
        writeFuture = ctx.getChannel().write(new ChunkedStream(is));
      } else {
        is.close();
      }
      if (!keepAlive) {
        writeFuture.addListener(ChannelFutureListener.CLOSE);
      }
    } else if (stream != null) {
      ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse);
      if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)
          && !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) {
        writeFuture = ctx.getChannel().write(stream);
      } else {
        stream.close();
      }
      if (!keepAlive) {
        writeFuture.addListener(ChannelFutureListener.CLOSE);
      }
    } else {
      writeResponse(ctx, response, nettyResponse, nettyRequest);
    }
    Logger.trace("copyResponse: end");
  }
Exemplo n.º 13
0
  private void websocketHandshake(final ChannelHandlerContext ctx, HttpRequest req, MessageEvent e)
      throws Exception {

    // Create the WebSocket handshake response.
    HttpResponse res =
        new DefaultHttpResponse(
            HttpVersion.HTTP_1_1, new HttpResponseStatus(101, "Web Socket Protocol Handshake"));
    res.addHeader(HttpHeaders.Names.UPGRADE, HttpHeaders.Values.WEBSOCKET);
    res.addHeader(CONNECTION, HttpHeaders.Values.UPGRADE);

    // Fill in the headers and contents depending on handshake method.
    if (req.containsHeader(SEC_WEBSOCKET_KEY1) && req.containsHeader(SEC_WEBSOCKET_KEY2)) {
      // New handshake method with a challenge:
      res.addHeader(SEC_WEBSOCKET_ORIGIN, req.getHeader(ORIGIN));
      res.addHeader(
          SEC_WEBSOCKET_LOCATION, "ws://" + req.getHeader(HttpHeaders.Names.HOST) + req.getUri());
      String protocol = req.getHeader(SEC_WEBSOCKET_PROTOCOL);
      if (protocol != null) {
        res.addHeader(SEC_WEBSOCKET_PROTOCOL, protocol);
      }

      // Calculate the answer of the challenge.
      String key1 = req.getHeader(SEC_WEBSOCKET_KEY1);
      String key2 = req.getHeader(SEC_WEBSOCKET_KEY2);
      int a =
          (int)
              (Long.parseLong(key1.replaceAll("[^0-9]", ""))
                  / key1.replaceAll("[^ ]", "").length());
      int b =
          (int)
              (Long.parseLong(key2.replaceAll("[^0-9]", ""))
                  / key2.replaceAll("[^ ]", "").length());
      long c = req.getContent().readLong();
      ChannelBuffer input = ChannelBuffers.buffer(16);
      input.writeInt(a);
      input.writeInt(b);
      input.writeLong(c);
      try {
        ChannelBuffer output =
            ChannelBuffers.wrappedBuffer(MessageDigest.getInstance("MD5").digest(input.array()));
        res.setContent(output);
      } catch (NoSuchAlgorithmException ex) {
        throw new UnexpectedException(ex);
      }
    } else {
      // Old handshake method with no challenge:
      res.addHeader(WEBSOCKET_ORIGIN, req.getHeader(ORIGIN));
      res.addHeader(
          WEBSOCKET_LOCATION, "ws://" + req.getHeader(HttpHeaders.Names.HOST) + req.getUri());
      String protocol = req.getHeader(WEBSOCKET_PROTOCOL);
      if (protocol != null) {
        res.addHeader(WEBSOCKET_PROTOCOL, protocol);
      }
    }

    // Keep the original request
    Http.Request request = parseRequest(ctx, req);

    // Route the websocket request
    request.method = "WS";
    Map<String, String> route = Router.route(request.method, request.path);
    if (!route.containsKey("action")) {
      // No route found to handle this websocket connection
      ctx.getChannel()
          .write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND));
      return;
    }

    // Upgrade the connection and send the handshake response.
    ChannelPipeline p = ctx.getChannel().getPipeline();
    p.remove("aggregator");
    p.replace("decoder", "wsdecoder", new WebSocketFrameDecoder());

    // Connect
    ctx.getChannel().write(res);

    p.replace("encoder", "wsencoder", new WebSocketFrameEncoder());
    req.setMethod(new HttpMethod("WEBSOCKET"));

    // Inbound
    Http.Inbound inbound =
        new Http.Inbound() {

          @Override
          public boolean isOpen() {
            return ctx.getChannel().isOpen();
          }
        };
    channels.put(ctx, inbound);

    // Outbound
    Http.Outbound outbound =
        new Http.Outbound() {

          final List<ChannelFuture> writeFutures =
              Collections.synchronizedList(new ArrayList<ChannelFuture>());
          Promise<Void> closeTask;

          synchronized void writeAndClose(ChannelFuture writeFuture) {
            if (!writeFuture.isDone()) {
              writeFutures.add(writeFuture);
              writeFuture.addListener(
                  new ChannelFutureListener() {

                    public void operationComplete(ChannelFuture cf) throws Exception {
                      writeFutures.remove(cf);
                      futureClose();
                    }
                  });
            }
          }

          void futureClose() {
            if (closeTask != null && writeFutures.isEmpty()) {
              closeTask.invoke(null);
            }
          }

          @Override
          public void send(String data) {
            if (!isOpen()) {
              throw new IllegalStateException("The outbound channel is closed");
            }
            writeAndClose(ctx.getChannel().write(new DefaultWebSocketFrame(data)));
          }

          @Override
          public void send(byte opcode, byte[] data, int offset, int length) {
            if (!isOpen()) {
              throw new IllegalStateException("The outbound channel is closed");
            }
            writeAndClose(
                ctx.getChannel()
                    .write(new DefaultWebSocketFrame(opcode, wrappedBuffer(data, offset, length))));
          }

          @Override
          public synchronized boolean isOpen() {
            return ctx.getChannel().isOpen() && closeTask == null;
          }

          @Override
          public synchronized void close() {
            closeTask = new Promise<Void>();
            closeTask.onRedeem(
                new Action<Promise<Void>>() {

                  public void invoke(Promise<Void> completed) {
                    writeFutures.clear();
                    ctx.getChannel().disconnect();
                    closeTask = null;
                  }
                });
            futureClose();
          }
        };

    Invoker.invoke(new WebSocketInvocation(route, request, inbound, outbound, ctx, e));
  }