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:SecureChatServerHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) {
    // Once session is secured, send a greeting and register the channel to the global channel
    // list so the channel received the messages from others.
    ctx.pipeline().get(SslHandler.class).handshakeFuture()
            .addListener(new GenericFutureListener<Future<Channel>>() {
                @Override/* www .  ja  va2  s.c  om*/
                public void operationComplete(Future<Channel> future) throws Exception {
                    ctx.writeAndFlush("Welcome to " + InetAddress.getLocalHost().getHostName()
                            + " secure chat service!\n");
                    ctx.writeAndFlush("Your session is protected by "
                            + ctx.pipeline().get(SslHandler.class).engine().getSession().getCipherSuite()
                            + " cipher suite.\n");

                    channels.add(ctx.channel());
                }
            });
}

From source file:at.yawk.dbus.protocol.auth.AuthClient.java

@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
    for (ChannelHandler handler : handlers) {
        ctx.pipeline().addBefore(ctx.executor(), ctx.name(), null, handler);
    }//  ww w. j  a v  a  2  s  . c  o m
    super.handlerAdded(ctx);
}

From source file:at.yawk.dbus.protocol.auth.AuthClient.java

@Override
public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
    for (ChannelHandler handler : handlers) {
        ctx.pipeline().remove(handler);
    }//from ww  w . j ava  2s.c o m
    super.handlerRemoved(ctx);
}

From source file:at.yawk.dbus.protocol.codec.DbusMainProtocol.java

@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
    add(ctx, new ByteCollector());

    add(ctx, new MessageHeaderCodec());

    add(ctx, new BodyDecoder());
    add(ctx, new BodyEncoder());

    add(ctx, new IncomingMessageAdapter(consumer));

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

From source file:at.yawk.dbus.protocol.codec.DbusMainProtocol.java

private void add(ChannelHandlerContext ctx, ChannelHandler handler) {
    ctx.pipeline().addBefore(ctx.executor(), ctx.name(), null, handler);
}

From source file:books.netty.ssl.SecureChatServerHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) {
    // Once session is secured, send a greeting and register the channel to
    // the global channel
    // list so the channel received the messages from others.
    ctx.pipeline().get(SslHandler.class).handshakeFuture()
            .addListener(new GenericFutureListener<Future<Channel>>() {
                @Override/*from   w ww. j  a v a 2s.  c om*/
                public void operationComplete(Future<Channel> future) throws Exception {
                    ctx.writeAndFlush("Welcome to " + InetAddress.getLocalHost().getHostName()
                            + " secure chat service!\n");
                    ctx.writeAndFlush("Your session is protected by "
                            + ctx.pipeline().get(SslHandler.class).engine().getSession().getCipherSuite()
                            + " cipher suite.\n");

                    channels.add(ctx.channel());
                }
            });
}

From source file:ca.lambtoncollege.netty.chat.SecureChatServerHandler.java

License:Apache License

@Override
public void channelActive(final ChannelHandlerContext ctx) {
    // Once session is secured, send a greeting and register the channel to the global channel
    // list so the channel received the messages from others.
    ctx.pipeline().get(SslHandler.class).handshakeFuture()
            .addListener(new GenericFutureListener<Future<Channel>>() {
                @Override/*from ww w.ja  v a 2s  .com*/
                public void operationComplete(Future<Channel> future) throws Exception {
                    ctx.writeAndFlush("Welcome to " + InetAddress.getLocalHost().getHostName()
                            + " secure chat service!\n");
                    ctx.writeAndFlush("Your session is protected by "
                            + ctx.pipeline().get(SslHandler.class).engine().getSession().getCipherSuite()
                            + " cipher suite.\n");
                    channels.add(ctx.channel());
                }
            });
}

From source file:cc.agentx.client.net.nio.Socks5Handler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksRequest request) throws Exception {
    switch (request.protocolVersion()) {
    case SOCKS4a:
        log.warn("\tBad Handshake! (protocol version not supported: 4)");
        ctx.write(new SocksInitResponse(SocksAuthScheme.UNKNOWN));
        if (ctx.channel().isActive()) {
            ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
        }/*  w w w  .  j  a v a  2s .com*/
        break;
    case SOCKS5:
        switch (request.requestType()) {
        case INIT:
            ctx.pipeline().addFirst(new SocksCmdRequestDecoder());
            ctx.write(new SocksInitResponse(SocksAuthScheme.NO_AUTH));
            break;
        case AUTH:
            ctx.pipeline().addFirst(new SocksCmdRequestDecoder());
            ctx.write(new SocksAuthResponse(SocksAuthStatus.SUCCESS));
            break;
        case CMD:
            if (((SocksCmdRequest) request).cmdType() == SocksCmdType.CONNECT) {
                ctx.pipeline().addLast(new XConnectHandler());
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(request);
            } else {
                ctx.close();
                log.warn("\tBad Handshake! (command not support: {})", ((SocksCmdRequest) request).cmdType());
            }
            break;
        case UNKNOWN:
            log.warn("\tBad Handshake! (unknown request type)");
        }
        break;
    case UNKNOWN:
        log.warn("\tBad Handshake! (protocol version not support: {}", request.protocolVersion());
        ctx.close();
        break;
    }
}

From source file:cc.agentx.client.net.nio.XConnectHandler.java

License:Apache License

@Override
public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    boolean proxyMode = isAgentXNeeded(request.host());
    log.info("\tClient -> Proxy           \tTarget {}:{} [{}]", request.host(), request.port(),
            proxyMode ? "AGENTX" : "DIRECT");
    Promise<Channel> promise = ctx.executor().newPromise();
    promise.addListener(new FutureListener<Channel>() {
        @Override// w  w w .  j a  v  a 2 s.c o m
        public void operationComplete(final Future<Channel> future) throws Exception {
            final Channel outboundChannel = future.getNow();
            if (future.isSuccess()) {
                ctx.channel().writeAndFlush(new SocksCmdResponse(SocksCmdStatus.SUCCESS, request.addressType()))
                        .addListener(channelFuture -> {
                            ByteBuf byteBuf = Unpooled.buffer();
                            request.encodeAsByteBuf(byteBuf);
                            if (byteBuf.hasArray()) {
                                byte[] xRequestBytes = new byte[byteBuf.readableBytes()];
                                byteBuf.getBytes(0, xRequestBytes);

                                if (proxyMode) {
                                    // handshaking to remote proxy
                                    xRequestBytes = requestWrapper.wrap(xRequestBytes);
                                    outboundChannel.writeAndFlush(Unpooled.wrappedBuffer(
                                            exposeRequest ? xRequestBytes : wrapper.wrap(xRequestBytes)));
                                }

                                // task handover
                                ReferenceCountUtil.retain(request); // auto-release? a trap?
                                ctx.pipeline().remove(XConnectHandler.this);
                                outboundChannel.pipeline().addLast(new XRelayHandler(ctx.channel(),
                                        proxyMode ? wrapper : rawWrapper, false));
                                ctx.pipeline().addLast(new XRelayHandler(outboundChannel,
                                        proxyMode ? wrapper : rawWrapper, true));
                            }
                        });
            } else {
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));

                if (ctx.channel().isActive()) {
                    ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
                }
            }
        }
    });

    String host = request.host();
    int port = request.port();
    if (host.equals(config.getConsoleDomain())) {
        host = "localhost";
        port = config.getConsolePort();
    } else if (proxyMode) {
        host = config.getServerHost();
        port = config.getServerPort();
    }

    // ping target
    bootstrap.group(ctx.channel().eventLoop()).channel(NioSocketChannel.class)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true)
            .handler(new XPingHandler(promise, System.currentTimeMillis())).connect(host, port)
            .addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        ctx.channel().writeAndFlush(
                                new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                        if (ctx.channel().isActive()) {
                            ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
                        }
                    }
                }
            });
}

From source file:cc.agentx.client.net.nio.XPingHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    log.info("\t          Proxy <- Target \tPong ~{}ms", System.currentTimeMillis() - initializeTimeMillis);
    ctx.pipeline().remove(this);
    promise.setSuccess(ctx.channel());/*from  w  w  w  . j a  v a2s.c om*/
}