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:me.bigteddy98.movingmotd.ClientSideConnection.java

License:Open Source License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    this.networkManager.incomingChannel = ctx.channel();
    this.networkManager.clientsidePipeline = ctx.pipeline();

    Bootstrap bootstrab = new Bootstrap();
    bootstrab.group(networkManager.incomingChannel.eventLoop());
    bootstrab.channel(ctx.channel().getClass());
    bootstrab.handler(new ServerSideConnectionInitialization(networkManager));
    bootstrab.option(ChannelOption.AUTO_READ, false);
    ChannelFuture f = bootstrab.connect(this.toHostname, this.toPort);
    f.addListener(new ChannelFutureListener() {
        @Override//from  w  w  w  .  ja  va 2s  . c  o  m
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                networkManager.incomingChannel.read();
            } else {
                networkManager.incomingChannel.close();
            }
        }
    });
    this.outgoingChannel = f.channel();
}

---

From source file:me.bigteddy98.movingmotd.ServerSideConnection.java

License:Open Source License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    ctx.read();//  www.  j  ava 2s. c om
    ctx.write(Unpooled.EMPTY_BUFFER);
    this.networkManager.serversidePipeline = ctx.pipeline();
}

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From source file:me.ferrybig.javacoding.teamspeakconnector.internal.handler.HandshakeListener.java

License:Open Source License

@Override
protected void messageReceived(ChannelHandlerContext ctx, String msg) throws Exception {
    if (headerReceived) {
        if (!TS_HEADER_2.equals(msg)) {
            throw new DecoderException(
                    "Line 2 of magic header mismatch, expected: " + TS_HEADER_2 + "; got:" + msg);
        }//from  www  .j a  va  2s .c  om
        ctx.pipeline().remove(ReadTimeoutHandler.class);
        TeamspeakConnection con = new TeamspeakConnection(new TeamspeakIO(ctx.channel()));
        con.start();
        if (!prom.trySuccess(con)) {
            ctx.channel().close();
        }
        ctx.pipeline().remove(this);
    } else {
        headerReceived = true;
        if (TS_HEADER_1.equals(msg)) {
            return;
        }
        throw new DecoderException(
                "Line 1 of magic header mismatch, expected: " + TS_HEADER_1 + "; got:" + msg);
    }
}

---

From source file:me.jesonlee.jjfsserver.httpserver.HttpStaticFileServerHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        sendError(ctx, BAD_REQUEST);/*  w  ww .j  av a  2 s . c o m*/
        return;
    }

    if (request.getMethod() != GET) {
        sendError(ctx, METHOD_NOT_ALLOWED);
        return;
    }

    final String uri = request.getUri();
    final String path = PathUtil.sanitizeUri(uri);
    if (path == null) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    File file = new File(path);
    if (file.isHidden() || !file.exists()) {
        sendError(ctx, NOT_FOUND);
        return;
    }

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            sendListing(ctx, file);
        } else {
            sendRedirect(ctx, uri + '/');
        }
        return;
    }

    if (!file.isFile()) {
        sendError(ctx, FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US);
        Date ifModifiedSinceDate = dateFormatter.parse(ifModifiedSince);

        // 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;
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        sendError(ctx, NOT_FOUND);
        return;
    }
    long fileLength = raf.length();

    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
    HttpHeaders.setContentLength(response, fileLength);
    setContentTypeHeader(response, file);
    setDateAndCacheHeaders(response, file);
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // 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;
    }

    sendFileFuture.addListener(new ChannelProgressiveFutureListener() {
        @Override
        public void operationProgressed(ChannelProgressiveFuture future, long progress, long total) {
            if (total < 0) { // total unknown
                System.err.println(future.channel() + " Transfer progress: " + progress);
            } else {
                System.err.println(future.channel() + " Transfer progress: " + progress + " / " + total);
            }
        }

        @Override
        public void operationComplete(ChannelProgressiveFuture future) {
            System.err.println(future.channel() + " Transfer complete.");
        }
    });

    // Decide whether to close the connection or not.
    if (!HttpHeaders.isKeepAlive(request)) {
        // Close the connection when the whole content is written out.
        lastContentFuture.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:me.netty.http.handler.Http2OrHttpHandler.java

License:Apache License

@Override
protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
    if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
        ctx.pipeline().addLast(new Http2Codec(true, new HelloWorldHttp2Handler()));
        return;//from w  w w  . j  a v a2 s .co m
    }

    if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
        ctx.pipeline().addLast(new HttpServerCodec(), new HttpObjectAggregator(MAX_CONTENT_LENGTH),
                new Http1Handler());
        return;
    }

    throw new IllegalStateException("unknown protocol: " + protocol);
}

---

From source file:me.netty.http.Http2ServerInitializer.java

License:Apache License

/**
 * Configure the pipeline for a cleartext upgrade from HTTP to HTTP/2.0
 *///from  w  w w.  jav a  2 s.  c o  m
private void configureClearText(SocketChannel ch) {
    final ChannelPipeline p = ch.pipeline();
    final HttpServerCodec sourceCodec = new HttpServerCodec();

    p.addLast(sourceCodec);
    p.addLast(new HttpServerUpgradeHandler(sourceCodec, upgradeCodecFactory));
    p.addLast(new SimpleChannelInboundHandler<HttpMessage>() {
        @Override
        protected void channelRead0(ChannelHandlerContext ctx, HttpMessage msg) throws Exception {
            // If this handler is hit then no upgrade has been attempted and the client is just talking HTTP.
            ChannelPipeline pipeline = ctx.pipeline();
            ChannelHandlerContext thisCtx = pipeline.context(this);
            pipeline.addAfter(thisCtx.name(), null, new Http1Handler());
            pipeline.replace(this, null, new HttpObjectAggregator(maxHttpContentLength));
            ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
        }
    });

    p.addLast(new UserEventLogger());
}

---

From source file:mmo.server.RouteHandler.java

License:Open Source License

@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
    ctx.pipeline().addLast(dataToHttpEncoder);
    ctx.pipeline().addLast(PAGE_HANDLER_NAME, pageNotFoundHandler);
    ctx.pipeline().addLast(new ChannelHandlerAdapter() {
        @Override//from   w w  w  . j  a v  a2  s .c o  m
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            L.error("exception", cause);
        }
    });
    super.handlerAdded(ctx);
}

---

From source file:mmo.server.RouteHandler.java

License:Open Source License

private void installWebSocketHandler(ChannelHandlerContext ctx, String playerName, FullHttpRequest request) {
    L.debug("upgrading request {} to websocket", request.getUri());

    if (playerName == null || playerName.isEmpty()) {
        playerName = "anonymous";
    }/*from  www . j ava 2s .c o m*/

    // we replace all handlers, web socket will not be downgraded
    while (ctx.pipeline().last() != this) {
        ctx.pipeline().removeLast();
    }

    // add websocket handlers
    ctx.pipeline().addLast(new WebSocketServerProtocolHandler(request.getUri()),
            webSocketMessageHandlerProvider.get(), messageReceiverFactory.create(new Player(playerName)));

    // do handshake
    ctx.fireChannelRead(request);

    // route handler is not needed either
    ctx.pipeline().remove(this);
}

---

From source file:mmo.server.RouteHandler.java

License:Open Source License

private void installHandler(ChannelHandlerContext ctx, ChannelInboundHandler newHandler) {
    ctx.pipeline().replace(PAGE_HANDLER_NAME, PAGE_HANDLER_NAME, newHandler);
}

---

From source file:net.anyflow.menton.http.HttpRequestRouter.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest request) throws Exception {
    if (HttpHeaderValues.WEBSOCKET.toString().equalsIgnoreCase(request.headers().get(HttpHeaderNames.UPGRADE))
            && HttpHeaderValues.UPGRADE.toString()
                    .equalsIgnoreCase(request.headers().get(HttpHeaderNames.CONNECTION))) {

        if (ctx.pipeline().get(WebsocketFrameHandler.class) == null) {
            logger.error("No WebSocket Handler available.");

            ctx.channel()//w  w w  . ja v  a 2  s.  c  o  m
                    .writeAndFlush(
                            new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.FORBIDDEN))
                    .addListener(ChannelFutureListener.CLOSE);
            return;
        }

        ctx.fireChannelRead(request.retain());
        return;
    }

    if (HttpUtil.is100ContinueExpected(request)) {
        ctx.write(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE));
        return;
    }

    HttpResponse response = HttpResponse.createServerDefault(request.headers().get(HttpHeaderNames.COOKIE));

    String requestPath = new URI(request.uri()).getPath();

    if (isWebResourcePath(requestPath)) {
        handleWebResourceRequest(ctx, request, response, requestPath);
    } else {
        try {
            processRequest(ctx, request, response);
        } catch (URISyntaxException e) {
            response.setStatus(HttpResponseStatus.NOT_FOUND);
            logger.info("unexcepted URI : {}", request.uri());
        } catch (Exception e) {
            response.setStatus(HttpResponseStatus.INTERNAL_SERVER_ERROR);
            logger.error("Unknown exception was thrown in business logic handler.\r\n" + e.getMessage(), e);
        }
    }
}

---

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