Example usage for io.netty.channel ChannelHandlerContext pipeline

List of usage examples for io.netty.channel ChannelHandlerContext pipeline

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Introduction

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

Prototype

ChannelPipeline pipeline();

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Return the assigned ChannelPipeline

Usage

From source file:com.quavo.osrs.network.protocol.codec.connection.ConnectionEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, ConnectionResponse msg, ByteBuf out) throws Exception {
    ChannelPipeline pipeline = ctx.pipeline();

    switch (msg.getType()) {
    case HANDSHAKE_CONNECTION:
        pipeline.addAfter("decoder", "handshake.encoder", new HandshakeEncoder());
        pipeline.replace("decoder", "handshake.decoder", new HandshakeDecoder());
        break;//from www . java 2s .  c  o m
    case LOGIN_CONNECTION:
        out.writeByte(ClientMessage.SUCCESSFUL_CONNECTION.getId());
        pipeline.addAfter("decoder", "login.encoder", new LoginEncoder());
        pipeline.replace("decoder", "login.decoder", new LoginDecoder());
        break;
    }

    pipeline.remove(this);
}

From source file:com.quavo.osrs.network.protocol.codec.handshake.HandshakeEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, HandshakeResponse msg, ByteBuf out) throws Exception {
    ChannelPipeline pipeline = ctx.pipeline();
    ClientMessage message = msg.getMessage();

    out.writeByte(message.getId());/*from  w  w  w . ja va  2 s.c  om*/
    if (message == ClientMessage.SUCCESSFUL_CONNECTION) {
        pipeline.addAfter("handshake.decoder", "xor.encrypt", new XOREncryptionEncoder());
        pipeline.addAfter("xor.encrypt", "update.encoder", new UpdateEncoder());
        pipeline.replace("handshake.decoder", "update.decoder", new UpdateDecoder());
    }

    pipeline.remove(this);
}

From source file:com.quavo.osrs.network.protocol.codec.login.LoginEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, LoginResponse msg, ByteBuf out) throws Exception {
    ClientMessage message = msg.getMessage();
    ChannelPipeline pipeline = ctx.pipeline();

    if (message != ClientMessage.SUCCESSFUL) {
        // dont write the id for successful.
        out.writeByte(message.getId());/*from w  w  w  .java2  s .co  m*/
    } else {
        pipeline.addAfter("login.decoder", "world.encoder", new WorldLoginEncoder());
        pipeline.replace("login.decoder", "world.decoder", new WorldLoginDecoder(msg.getType()));
    }

    pipeline.remove(this);
}

From source file:com.quavo.osrs.network.protocol.codec.login.world.WorldLoginEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, WorldLoginResponse msg, ByteBuf out) throws Exception {
    ClientMessage message = msg.getMessage();

    out.writeByte(message.getId());/*from  w ww.j  a  v a2  s .c  om*/
    if (message == ClientMessage.SUCCESSFUL) {
        out.writeByte(0);
        out.writeByte(0);
        out.writeByte(0);
        out.writeByte(0);
        out.writeByte(0);
        out.writeByte(2);// rights
        out.writeByte(0);
        out.writeShort(1);// index
        out.writeByte(1);
    }

    ctx.pipeline().remove(this);
}

From source file:com.quavo.osrs.network.protocol.codec.update.encrypt.XOREncryptionEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, XOREncryptionResponse msg, ByteBuf out) throws Exception {
    if (msg.getKey() != 0) {
        for (int i = 0; i < out.writerIndex(); i++) {
            out.setByte(i, out.getByte(i) ^ msg.getKey());
        }//from ww w  .  ja v  a  2  s  . c  o  m
    }

    ctx.pipeline().remove(this);
}

From source file:com.relayrides.pushy.apns.ApnsClient.java

License:Open Source License

protected ApnsClient(final SslContext sslContext, final EventLoopGroup eventLoopGroup) {
    this.bootstrap = new Bootstrap();

    if (eventLoopGroup != null) {
        this.bootstrap.group(eventLoopGroup);
        this.shouldShutDownEventLoopGroup = false;
    } else {//w  w  w.  j av a2  s  .c  om
        this.bootstrap.group(new NioEventLoopGroup(1));
        this.shouldShutDownEventLoopGroup = true;
    }

    this.bootstrap.channel(SocketChannelClassUtil.getSocketChannelClass(this.bootstrap.config().group()));
    this.bootstrap.option(ChannelOption.TCP_NODELAY, true);
    this.bootstrap.handler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(final SocketChannel channel) throws Exception {
            final ChannelPipeline pipeline = channel.pipeline();

            final ProxyHandlerFactory proxyHandlerFactory = ApnsClient.this.proxyHandlerFactory;

            if (proxyHandlerFactory != null) {
                pipeline.addFirst(proxyHandlerFactory.createProxyHandler());
            }

            if (ApnsClient.this.writeTimeoutMillis > 0) {
                pipeline.addLast(
                        new WriteTimeoutHandler(ApnsClient.this.writeTimeoutMillis, TimeUnit.MILLISECONDS));
            }

            pipeline.addLast(sslContext.newHandler(channel.alloc()));
            pipeline.addLast(new ApplicationProtocolNegotiationHandler("") {
                @Override
                protected void configurePipeline(final ChannelHandlerContext context, final String protocol) {
                    if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
                        final ApnsClientHandler apnsClientHandler = new ApnsClientHandler.ApnsClientHandlerBuilder()
                                .server(false).apnsClient(ApnsClient.this)
                                .authority(
                                        ((InetSocketAddress) context.channel().remoteAddress()).getHostName())
                                .encoderEnforceMaxConcurrentStreams(true).build();

                        synchronized (ApnsClient.this.bootstrap) {
                            if (ApnsClient.this.gracefulShutdownTimeoutMillis != null) {
                                apnsClientHandler.gracefulShutdownTimeoutMillis(
                                        ApnsClient.this.gracefulShutdownTimeoutMillis);
                            }
                        }

                        context.pipeline().addLast(
                                new IdleStateHandler(0, 0, PING_IDLE_TIME_MILLIS, TimeUnit.MILLISECONDS));
                        context.pipeline().addLast(apnsClientHandler);

                        final ChannelPromise connectionReadyPromise = ApnsClient.this.connectionReadyPromise;

                        if (connectionReadyPromise != null) {
                            connectionReadyPromise.trySuccess();
                        }
                    } else {
                        throw new IllegalArgumentException("Unexpected protocol: " + protocol);
                    }
                }
            });
        }
    });
}

From source file:com.replaymod.sponge.recording.spongecommon.SpongeConnectionEventListener.java

License:MIT License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    ctx.pipeline().remove(this).addBefore("packet_handler", "connection_events", this);
    super.channelActive(ctx);
}

From source file:com.rs3e.network.protocol.codec.handshake.HandshakeDecoder.java

License:Open Source License

@Override
public void inboundBufferUpdated(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    if (!in.readable())
        return;/*from  w w w  .  ja  v  a 2  s . c  o m*/
    ctx.pipeline().remove(HandshakeDecoder.class);

    int incomingOpcode = in.readByte() & 0xFF;
    HandshakeState handshakeState = HandshakeState.forId(incomingOpcode);

    if (handshakeState == null) {
        return;
    }
    switch (handshakeState) {
    case HANDSHAKE_UPDATE:
        ctx.pipeline().addFirst(new UpdateEncoder(), new UpdateStatusEncoder(), new XorEncoder(),
                new UpdateDecoder());
        break;
    case HANDSHAKE_WORLD_LIST:
        ctx.pipeline().addFirst(new WorldListEncoder(), new WorldListDecoder());
        break;
    case HANDSHAKE_LOGIN:
        ctx.pipeline().addFirst(new LoginEncoder(), new LoginDecoder());
        ctx.write(new LoginResponse(0));
        break;
    default:
        break;
    }

    ctx.nextInboundMessageBuffer().add(new HandshakeMessage(handshakeState));
    ctx.fireInboundBufferUpdated();

    if (in.readable()) {
        ChannelHandlerContext head = ctx.pipeline().firstContext();
        head.nextInboundByteBuffer().writeBytes(in.readBytes(in.readableBytes()));
        head.fireInboundBufferUpdated();
    }
}

From source file:com.sangupta.swift.netty.http.HttpStaticFileServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext context, FullHttpRequest request) throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        NettyUtils.sendError(context, HttpResponseStatus.BAD_REQUEST);
        return;//w  w w.  java 2  s .c om
    }

    if (request.getMethod() != HttpMethod.GET) {
        NettyUtils.sendError(context, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;
    }

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

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

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

        return;
    }

    if (!file.isFile()) {
        NettyUtils.sendError(context, HttpResponseStatus.FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(HttpHeaders.Names.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        Date ifModifiedSinceDate = NettyUtils.parseDateHeader(ifModifiedSince);

        if (ifModifiedSinceDate != null) {
            // 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) {
                NettyUtils.sendNotModified(context);
                return;
            }
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        NettyUtils.sendError(context, HttpResponseStatus.NOT_FOUND);
        return;
    }

    final long fileLength = file.length();

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpHeaders.setContentLength(response, fileLength);
    NettyUtils.setContentTypeHeader(response, file);
    NettyUtils.setDateAndCacheHeaders(response, file, 3600); // cache for an hour

    // check for keep alive
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

    // Write the initial line and the header.
    context.write(response);

    // Write the content.
    ChannelFuture sendFileFuture;
    if (context.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = context.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                context.newProgressivePromise());
    } else {
        sendFileFuture = context.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                context.newProgressivePromise());
    }

    //      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.");
    //         }
    //         
    //      });

    // Write the end marker
    ChannelFuture lastContentFuture = context.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // 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:com.sangupta.swift.netty.spdy.SpdyStaticFileServerHandler.java

License:Apache License

@Override
protected void channelRead0(final ChannelHandlerContext context, final FullHttpRequest request)
        throws Exception {
    if (!request.getDecoderResult().isSuccess()) {
        NettyUtils.sendError(context, HttpResponseStatus.BAD_REQUEST);
        return;//  w ww .j a  va  2 s.  c  o m
    }

    // check for server name
    if (this.checkServerName) {
        String host = request.headers().get(HttpHeaders.Names.HOST);
        if (!host.startsWith(this.swiftServer.getServerName())) {
            NettyUtils.sendError(context, HttpResponseStatus.BAD_REQUEST);
            return;
        }
    }

    // check method
    if (request.getMethod() != HttpMethod.GET) {
        NettyUtils.sendError(context, HttpResponseStatus.METHOD_NOT_ALLOWED);
        return;
    }

    // check for SPDY support
    final boolean spdyRequest = request.headers().contains(NettyUtils.SPDY_STREAM_ID);

    // check for URI path to be proper
    final String uri = request.getUri();
    final String path = NettyUtils.sanitizeUri(uri);
    if (path == null) {
        NettyUtils.sendError(context, HttpResponseStatus.FORBIDDEN);
        return;
    }

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

    if (file.isDirectory()) {
        if (uri.endsWith("/")) {
            NettyUtils.sendListing(context, file, request.headers().get(NettyUtils.SPDY_STREAM_ID));
            return;
        }

        // redirect to the listing page
        NettyUtils.sendRedirect(context, uri + '/');
        return;
    }

    if (!file.isFile()) {
        NettyUtils.sendError(context, HttpResponseStatus.FORBIDDEN);
        return;
    }

    // Cache Validation
    String ifModifiedSince = request.headers().get(HttpHeaders.Names.IF_MODIFIED_SINCE);
    if (ifModifiedSince != null && !ifModifiedSince.isEmpty()) {
        Date ifModifiedSinceDate = NettyUtils.parseDateHeader(ifModifiedSince);

        if (ifModifiedSinceDate != null) {
            // 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) {
                NettyUtils.sendNotModified(context);
                return;
            }
        }
    }

    RandomAccessFile raf;
    try {
        raf = new RandomAccessFile(file, "r");
    } catch (FileNotFoundException ignore) {
        NettyUtils.sendError(context, HttpResponseStatus.NOT_FOUND);
        return;
    }

    final long fileLength = file.length();

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    HttpHeaders.setContentLength(response, fileLength);
    NettyUtils.setContentTypeHeader(response, file);
    NettyUtils.setDateAndCacheHeaders(response, file, 3600); // cache for an hour

    // check for keep alive
    if (HttpHeaders.isKeepAlive(request)) {
        response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    } else {
        context.write(response).addListener(ChannelFutureListener.CLOSE);
    }

    // Write the initial line and the header.
    context.write(response);

    // Write the content.
    ChannelFuture sendFileFuture;
    if (context.pipeline().get(SslHandler.class) == null) {
        sendFileFuture = context.write(new DefaultFileRegion(raf.getChannel(), 0, fileLength),
                context.newProgressivePromise());
    } else {
        sendFileFuture = context.write(new HttpChunkedInput(new ChunkedFile(raf, 0, fileLength, 8192)),
                context.newProgressivePromise());
    }

    //      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.");
    //         }
    //         
    //      });

    // Write the end marker
    ChannelFuture lastContentFuture = context.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT);

    // 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);
    }
}