Example usage for io.netty.channel ChannelHandlerContext pipeline

Introduction

In this page you can find the example usage for io.netty.channel ChannelHandlerContext pipeline.

Prototype

ChannelPipeline pipeline();

Source Link

Document

Return the assigned ChannelPipeline

Usage

From source file:org.rzo.netty.ahessian.rpc.client.HessianProxyFactory.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    _channel = ctx.channel();//  w ww. j a va2  s .  c om
    if (_connectedListener != null)
        _executor.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    _connectedListener.run();
                } catch (Throwable ex) {
                    Constants.ahessianLogger.warn("", ex);
                }
            }
        });
    _lock.lock();
    try {
        if (!_sessionListenerAdded) {
            if (ctx.pipeline().get(ClientSessionFilter.class) != null) {
                ClientSessionFilter sessionHandler = (ClientSessionFilter) ctx.pipeline()
                        .get(ClientSessionFilter.class);
                sessionHandler.addSessionClosedListener(new Runnable() {
                    public void run() {
                        _lock.lock();
                        try {
                            invalidateProxies();
                            _openCalls.clear();

                            _pendingCalls.clear();
                        } finally {
                            _lock.unlock();
                        }
                        if (_closedSessionListener != null)
                            try {
                                _closedSessionListener.run();
                            } catch (Throwable ex) {
                                Constants.ahessianLogger.warn("", ex);
                            }
                    }
                });
                sessionHandler.addSessionNewListener(new Runnable() {
                    public void run() {
                        if (_newSessionListener != null)
                            try {
                                _newSessionListener.run();
                            } catch (Throwable ex) {
                                Constants.ahessianLogger.warn("", ex);
                            }
                    }
                });
                _sessionListenerAdded = true;
            }
        }
    } finally {
        _connected.signal();
        _lock.unlock();
        super.channelActive(ctx);
    }
}

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From source file:org.rzo.netty.ahessian.rpc.message.HessianRPCCallEncoder.java

License:Apache License

@Override
public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress,
        ChannelPromise promise) throws Exception {
    super.connect(ctx, remoteAddress, localAddress, promise);
    _hasSessionFilter = ctx.pipeline().context(ClientSessionFilter.class) != null;
    if (hOut == null) {
        OutputStream out = getOutputStream(ctx);
        hOut = new Hessian2Output(out);
        hOut.getSerializerFactory().addFactory(sFactory);
    } else//from   w ww.j av a2  s.  c o m
        hOut.reset();
}

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From source file:org.rzo.netty.ahessian.session.ServerSessionFilter.java

License:Apache License

public static ServerSessionFilter getServerSessionFilter(ChannelHandlerContext ctx) {
    return (ServerSessionFilter) ctx.pipeline().context(ServerSessionFilter.class).handler();
}

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From source file:org.rzo.netty.ahessian.stopable.StopHandler.java

License:Apache License

@Override
public void channelInactive(final ChannelHandlerContext ctx) throws Exception {
    ChannelPipeline p = ctx.pipeline();
    Iterator<Entry<String, ChannelHandler>> it = p.iterator();
    while (it.hasNext()) {
        Entry<String, ChannelHandler> e = it.next();
        if (e.getValue() instanceof StopableHandler) {
            StopableHandler h = (StopableHandler) e.getValue();
            if (h.isStopEnabled())
                h.stop();/*from   ww  w  .j  a v a2s.  c  o m*/
        }

    }
    if (_executor != null && !_executor.isShuttingDown() && !_executor.isTerminated())
        _executor.shutdownGracefully();
}

---

From source file:org.spongepowered.common.mixin.core.status.MixinPingResponseHandler.java

License:MIT License

/**
 * @author minecrell - January 18th, 2015
 * @reason Implements our Ping Status Response API for throwing
 * events and delegating to plugins.//from  ww  w.  j  a  v a 2 s. c o  m
 *
 * @param ctx The context
 * @param msg The message
 * @throws Exception For reasons unexplained
 */
@Override
@Overwrite
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf m = (ByteBuf) msg;
    this.buf.writeBytes(m);
    m.release();

    this.buf.markReaderIndex();
    boolean result = false;

    try {
        result = readLegacy(ctx, this.buf);
    } finally {
        this.buf.resetReaderIndex();
        if (!result) {
            ByteBuf buf = this.buf;
            this.buf = null;

            ctx.pipeline().remove("legacy_query");
            ctx.fireChannelRead(buf);
        }
    }
}

---

From source file:org.spout.api.protocol.dynamicid.DynamicMessageDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, Message message, List<Object> out) throws Exception {
    Message unwrapped = message;/*from ww  w .  j  a  v  a  2  s .  c om*/
    Session session = ctx.pipeline().get(CommonHandler.class).getSession();
    if (session != null) {
        Protocol protocol = session.getProtocol();
        while (unwrapped instanceof DynamicWrapperMessage) {
            unwrapped = ((DynamicWrapperMessage) unwrapped).unwrap(protocol);
        }
    }
    if (unwrapped != null) {
        out.add(unwrapped);
    }
}

---

From source file:org.spout.api.protocol.dynamicid.DynamicMessageEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, Message o, List<Object> out) throws Exception {
    Session session = ctx.pipeline().get(CommonHandler.class).getSession();
    if (session != null) {
        Protocol protocol = session.getProtocol();
        MessageCodec<?> codec = protocol.getCodecLookupService().find(o.getClass());
        if (codec != null && codec.isDynamic()) {
            o = protocol.getWrappedMessage(o);
        }//from   ww  w  .j av a  2  s  . c o  m
    }
    out.add(o);
}

---

From source file:org.teiid.transport.SSLAwareChannelHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) throws Exception {
    ChannelListener listener = this.listenerFactory.createChannelListener(new ObjectChannelImpl(ctx.channel()));
    this.listeners.put(ctx.channel(), listener);
    maxChannels = Math.max(maxChannels, this.listeners.size());
    SslHandler sslHandler = ctx.pipeline().get(SslHandler.class);
    if (sslHandler != null) {
        sslHandler.handshakeFuture().addListener(new GenericFutureListener<DefaultPromise<Channel>>() {
            @Override//w  w w. j a v a  2 s.c o m
            public void operationComplete(DefaultPromise<Channel> future) throws Exception {
                onConnection(ctx.channel());

            }
        });
    } else {
        onConnection(ctx.channel());
    }
}

---

From source file:org.thingsplode.synapse.endpoint.handlers.FileRequestHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FileRequest req) throws Exception {

    Optional<String> uri = getSanitizedPath(req.getHeader().getUri().getPath());
    if (!uri.isPresent()) {
        HttpResponseHandler.sendError(ctx, HttpResponseStatus.FORBIDDEN, "Path is not available.");
        return;/*from  ww  w. j  a v a  2s.  co m*/
    }

    if (!this.redirects.isEmpty()) {
        for (Entry<Pattern, String> e : this.redirects.entrySet()) {
            if (e.getKey().matcher(uri.get()).matches()) {
                HttpResponseHandler.sendRedirect(ctx, createRedirectUrl(req.getHeader(), e.getValue()),
                        req.getHeader());
                break;
            }
        }
    }

    if (uri.get().endsWith("/")) {
        HttpResponseHandler.sendRedirect(ctx, uri.get() + "index.html", req.getHeader());
        return;
    }

    File file = null;
    if (webroot != null) {
        file = new File(webroot, uri.get());
    }
    //if ((!file.exists()) && "/index.html".equals(msg.getHeader().getUri().getPath())) {
    //    file = new File(sanitizeUri("/index.html"));
    //}

    RandomAccessFile raf = null;
    if (file == null || !file.exists() || file.isHidden() || file.isDirectory()) {
        raf = Loader.extractResource(uri.get());
        if (raf == null) {
            HttpResponseHandler.sendError(ctx, HttpResponseStatus.NOT_FOUND, "File not found.");
            return;
        }
    }

    if (file == null && raf == null) {
        HttpResponseHandler.sendError(ctx, HttpResponseStatus.NOT_FOUND, "File not found.");
        return;
    }

    if (raf == null && !file.isFile()) {
        HttpResponseHandler.sendError(ctx, HttpResponseStatus.FORBIDDEN, "Is not a file.");
        return;
    }

    String contentType = MIME_TYPES_MAP.getContentType(file.getPath());
    try {
        if (raf == null) {
            raf = new RandomAccessFile(file, "r");
        }
    } catch (FileNotFoundException ex) {
        HttpResponseHandler.sendError(ctx, HttpResponseStatus.NOT_FOUND, ex.getMessage());
        return;
    }
    //don't send apps
    //if ("application/octet-stream".equals(contentType)) {
    //    file = new File(sanitizeUri("/index.html"));
    //}

    // Cache Validation
    if (file.exists()) {
        Optional<String> ifModifiedSinceOpt = req.getHeader()
                .getProperty(HttpHeaderNames.IF_MODIFIED_SINCE.toString());
        if (ifModifiedSinceOpt.isPresent() && !Util.isEmpty(ifModifiedSinceOpt.get())) {
            SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
            Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSinceOpt.get());

            // Only compare up to the second because the datetime format we send to the client
            // does not have milliseconds
            long ifModifiedSinceDateSeconds = ifModifiedSinceDate.getTime() / 1000;
            long fileLastModifiedSeconds = file.lastModified() / 1000;
            if (ifModifiedSinceDateSeconds == fileLastModifiedSeconds) {
                sendNotModified(ctx);
                return;
            }
        }
    }

    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpUtil.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (isKeepAlive(req.getHeader())) {
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderNames.CONNECTION);
    }
    // Write the initial line and the header.
    ctx.write(response);
    // Write the content.
    ChannelFuture sendFileFuture;
    ChannelFuture lastContentFuture;
    if (ctx.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = ctx.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                ctx.newProgressivePromise());
        // Write the end marker.
        lastContentFuture = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);
    } else {
        sendFileFuture = ctx.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                ctx.newProgressivePromise());
        // HttpChunkedInput will write the end marker (LastHttpContent) for us.
        lastContentFuture = sendFileFuture;
    }

}

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From source file:org.thingsplode.synapse.endpoint.handlers.HttpRequestHandler.java

License:Apache License

private void upgradeToWebsocket(ChannelHandlerContext ctx, FullHttpRequest httpRequest) {

    String wsUrl = "ws://" + httpRequest.headers().get(HttpHeaderNames.HOST) + "/" + endpointId;
    //todo: configure frame size
    WebSocketServerHandshakerFactory wsHandshakeFactory = new WebSocketServerHandshakerFactory(wsUrl, null,
            false);// w ww.  j a  v  a2s.c o  m
    WebSocketServerHandshaker handshaker = wsHandshakeFactory.newHandshaker(httpRequest);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), httpRequest)
                .addListener((ChannelFutureListener) new ChannelFutureListener() {
                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (future.isSuccess()) {
                            logger.debug("Switching to websocket. Replacing the "
                                    + Endpoint.HTTP_RESPONSE_HANDLER + " with " + Endpoint.WS_RESPONSE_HANDLER);
                            ctx.pipeline().replace(Endpoint.HTTP_REQUEST_HANDLER, Endpoint.WS_REQUEST_HANDLER,
                                    new WebsocketRequestHandler(handshaker));
                            ctx.pipeline().replace(Endpoint.HTTP_RESPONSE_HANDLER, Endpoint.WS_RESPONSE_HANDLER,
                                    new WebsocketResponseHandler());
                            ctx.pipeline().addAfter(Endpoint.WS_RESPONSE_HANDLER, Endpoint.WS_COMMAND_HANDLER,
                                    new Command2WsEncoder());
                            if (ctx.pipeline().get(Endpoint.RESPONSE_INTROSPECTOR) != null) {
                                ctx.pipeline().addAfter(Endpoint.RESPONSE_INTROSPECTOR,
                                        Endpoint.WS_REQUEST_INTROSPECTOR, new WebsocketIntrospector());
                            }
                        } else {
                            String msg = "Dispatching upgrade acknowledgement was not successfull due to ";
                            if (future.cause() != null) {
                                logger.error(msg + future.cause().getClass().getSimpleName() + " with message: "
                                        + future.cause().getMessage(), future.cause());
                            } else {
                                logger.error(msg + " unknown reasons.");
                            }
                        }
                    }
                });
    }
}

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