Example usage for io.netty.channel ChannelPipeline addLast

List of usage examples for io.netty.channel ChannelPipeline addLast

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Introduction

In this page you can find the example usage for io.netty.channel ChannelPipeline addLast.

Prototype

ChannelPipeline addLast(ChannelHandler... handlers);

Source Link

Document

Inserts ChannelHandler s at the last position of this pipeline.

Usage

From source file:com.lambdaworks.redis.server.RandomResponseServer.java

License:Apache License

public void initialize(int port) throws InterruptedException {

    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override//  www  .j  av  a  2  s . c  om
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    // p.addLast(new LoggingHandler(LogLevel.INFO));
                    p.addLast(new RandomServerHandler());
                }
            });

    // Start the server.
    ChannelFuture f = b.bind(port).sync();

    channel = f.channel();
}

From source file:com.liferay.sync.engine.lan.server.file.LanFileServerInitializer.java

License:Open Source License

@Override
public void initChannel(SocketChannel socketChannel) {
    ChannelPipeline channelPipeline = socketChannel.pipeline();

    if (_domainNameMapping != null) {
        channelPipeline.addLast(new SniHandler(_domainNameMapping));
    }/*from  w ww  .  j  a v a 2  s . c  om*/

    channelPipeline.addLast(new HttpServerCodec());
    channelPipeline.addLast(new HttpObjectAggregator(65536));
    channelPipeline.addLast(_syncTrafficShapingHandler);
    channelPipeline.addLast(new ChunkedWriteHandler());
    channelPipeline.addLast(new LanFileServerHandler(_syncTrafficShapingHandler));
}

From source file:com.lin.studytest.netty.server.EchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w w w .j av a2  s. c o m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                //             .option(ChannelOption.SO_BACKLOG, 100)
                //             .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        p.addLast(new EchoServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.linecorp.armeria.client.endpoint.dns.TestDnsServer.java

License:Apache License

TestDnsServer(Map<DnsQuestion, DnsResponse> responses) {
    this.responses = ImmutableMap.copyOf(responses);

    final Bootstrap b = new Bootstrap();
    b.channel(TransportType.datagramChannelType(CommonPools.workerGroup()));
    b.group(CommonPools.workerGroup());//from   w w w.j  a va 2  s . c o m
    b.handler(new ChannelInitializer() {
        @Override
        protected void initChannel(Channel ch) throws Exception {
            final ChannelPipeline p = ch.pipeline();
            p.addLast(new DatagramDnsQueryDecoder());
            p.addLast(new DatagramDnsResponseEncoder());
            p.addLast(new DnsServerHandler());
        }
    });

    channel = b.bind(NetUtil.LOCALHOST, 0).syncUninterruptibly().channel();
}

From source file:com.linecorp.armeria.client.http.HttpClientPipelineConfigurator.java

License:Apache License

@Override
public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress,
        ChannelPromise promise) throws Exception {

    // Remember the requested remote address for later use.
    this.remoteAddress = (InetSocketAddress) remoteAddress;

    // Configure the pipeline.
    final Channel ch = ctx.channel();

    final ChannelPipeline p = ch.pipeline();
    p.addLast(new FlushConsolidationHandler());
    p.addLast(ReadSuppressingHandler.INSTANCE);

    try {/*  ww  w.  j a  va  2s.  c  om*/
        if (sslCtx != null) {
            configureAsHttps(ch);
        } else {
            configureAsHttp(ch);
        }
    } catch (Throwable t) {
        promise.tryFailure(t);
        ctx.close();
    } finally {
        if (p.context(this) != null) {
            p.remove(this);
        }
    }

    ctx.connect(remoteAddress, localAddress, promise);
}

From source file:com.linecorp.armeria.client.http.HttpClientPipelineConfigurator.java

License:Apache License

/**
 * @see <a href="https://http2.github.io/http2-spec/#discover-https">HTTP/2 specification</a>
 *///  w  w  w .jav  a 2  s .  c o  m
private void configureAsHttps(Channel ch) {
    final ChannelPipeline p = ch.pipeline();
    final SslHandler sslHandler = sslCtx.newHandler(ch.alloc());
    p.addLast(sslHandler);
    p.addLast(new ChannelInboundHandlerAdapter() {
        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
            if (!(evt instanceof SslHandshakeCompletionEvent)) {
                ctx.fireUserEventTriggered(evt);
                return;
            }

            final SslHandshakeCompletionEvent handshakeEvent = (SslHandshakeCompletionEvent) evt;
            if (!handshakeEvent.isSuccess()) {
                // The connection will be closed automatically by SslHandler.
                return;
            }

            final SessionProtocol protocol;
            if (isHttp2Protocol(sslHandler)) {
                if (httpPreference == HttpPreference.HTTP1_REQUIRED) {
                    finishWithNegotiationFailure(ctx, H1, H2, "unexpected protocol negotiation result");
                    return;
                }

                addBeforeSessionHandler(p, newHttp2ConnectionHandler(ch));
                protocol = H2;
            } else {
                if (httpPreference != HttpPreference.HTTP1_REQUIRED) {
                    SessionProtocolNegotiationCache.setUnsupported(ctx.channel().remoteAddress(), H2);
                }

                if (httpPreference == HttpPreference.HTTP2_REQUIRED) {
                    finishWithNegotiationFailure(ctx, H2, H1, "unexpected protocol negotiation result");
                    return;
                }

                addBeforeSessionHandler(p, newHttp1Codec());
                protocol = H1;
            }
            finishSuccessfully(p, protocol);
            p.remove(this);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            Exceptions.logIfUnexpected(logger, ctx.channel(), cause);
            ctx.close();
        }
    });
}

From source file:com.linecorp.armeria.client.http.HttpClientPipelineConfigurator.java

License:Apache License

private void configureAsHttp(Channel ch) {
    final ChannelPipeline pipeline = ch.pipeline();

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;/*  w w  w. jav  a2s  .  c  o  m*/
        break;
    case HTTP2_PREFERRED:
        attemptUpgrade = !SessionProtocolNegotiationCache.isUnsupported(remoteAddress, H2C);
        break;
    case HTTP2_REQUIRED:
        attemptUpgrade = true;
        break;
    default:
        // Should never reach here.
        throw new Error();
    }

    if (attemptUpgrade) {
        final Http2ClientConnectionHandler http2Handler = newHttp2ConnectionHandler(ch);
        if (options.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(http2Handler);
        } else {
            Http1ClientCodec http1Codec = newHttp1Codec();
            Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(http2Handler);
            HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, (int) Math.min(Integer.MAX_VALUE, UPGRADE_RESPONSE_MAX_LENGTH));

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler(http2Handler.responseDecoder()));
        }
    } else {
        pipeline.addLast(newHttp1Codec());

        // NB: We do not call finishSuccessfully() immediately here
        //     because it assumes HttpSessionHandler to be in the pipeline,
        //     which is only true after the connection attempt is successful.
        pipeline.addLast(new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                ctx.pipeline().remove(this);
                finishSuccessfully(pipeline, H1C);
                ctx.fireChannelActive();
            }
        });
    }
}

From source file:com.linecorp.armeria.client.HttpClientPipelineConfigurator.java

License:Apache License

@Override
public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress,
        ChannelPromise promise) throws Exception {

    // Remember the requested remote address for later use.
    final InetSocketAddress inetRemoteAddr = (InetSocketAddress) remoteAddress;
    this.remoteAddress = inetRemoteAddr;

    // Configure the pipeline.
    final Channel ch = ctx.channel();

    final ChannelPipeline p = ch.pipeline();
    p.addLast(new FlushConsolidationHandler());
    p.addLast(ReadSuppressingHandler.INSTANCE);

    try {//from w w  w .j a v a  2 s . c  o m
        if (sslCtx != null) {
            configureAsHttps(ch, inetRemoteAddr);
        } else {
            configureAsHttp(ch);
        }
    } catch (Throwable t) {
        promise.tryFailure(t);
        ctx.close();
    } finally {
        if (p.context(this) != null) {
            p.remove(this);
        }
    }

    ctx.connect(remoteAddress, localAddress, promise);
}

From source file:com.linecorp.armeria.client.HttpClientPipelineConfigurator.java

License:Apache License

/**
 * See <a href="https://http2.github.io/http2-spec/#discover-https">HTTP/2 specification</a>.
 *//*  w  w  w.j a  v  a 2 s.  co  m*/
private void configureAsHttps(Channel ch, InetSocketAddress remoteAddr) {
    assert sslCtx != null;

    final ChannelPipeline p = ch.pipeline();
    final SslHandler sslHandler = sslCtx.newHandler(ch.alloc(), remoteAddr.getHostString(),
            remoteAddr.getPort());
    p.addLast(sslHandler);
    p.addLast(TrafficLoggingHandler.CLIENT);
    p.addLast(new ChannelInboundHandlerAdapter() {
        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
            if (!(evt instanceof SslHandshakeCompletionEvent)) {
                ctx.fireUserEventTriggered(evt);
                return;
            }

            final SslHandshakeCompletionEvent handshakeEvent = (SslHandshakeCompletionEvent) evt;
            if (!handshakeEvent.isSuccess()) {
                // The connection will be closed automatically by SslHandler.
                return;
            }

            final SessionProtocol protocol;
            if (isHttp2Protocol(sslHandler)) {
                if (httpPreference == HttpPreference.HTTP1_REQUIRED) {
                    finishWithNegotiationFailure(ctx, H1, H2, "unexpected protocol negotiation result");
                    return;
                }

                addBeforeSessionHandler(p, newHttp2ConnectionHandler(ch));
                protocol = H2;
            } else {
                if (httpPreference != HttpPreference.HTTP1_REQUIRED) {
                    SessionProtocolNegotiationCache.setUnsupported(ctx.channel().remoteAddress(), H2);
                }

                if (httpPreference == HttpPreference.HTTP2_REQUIRED) {
                    finishWithNegotiationFailure(ctx, H2, H1, "unexpected protocol negotiation result");
                    return;
                }

                addBeforeSessionHandler(p, newHttp1Codec(clientFactory.maxHttp1InitialLineLength(),
                        clientFactory.maxHttp1HeaderSize(), clientFactory.maxHttp1ChunkSize()));
                protocol = H1;
            }
            finishSuccessfully(p, protocol);
            p.remove(this);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            Exceptions.logIfUnexpected(logger, ctx.channel(), cause);
            ctx.close();
        }
    });
}

From source file:com.linecorp.armeria.client.HttpClientPipelineConfigurator.java

License:Apache License

private void configureAsHttp(Channel ch) {
    final ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(TrafficLoggingHandler.CLIENT);

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;/*w  w w.ja v  a 2s.c  om*/
        break;
    case HTTP2_PREFERRED:
        assert remoteAddress != null;
        attemptUpgrade = !SessionProtocolNegotiationCache.isUnsupported(remoteAddress, H2C);
        break;
    case HTTP2_REQUIRED:
        attemptUpgrade = true;
        break;
    default:
        // Should never reach here.
        throw new Error();
    }

    if (attemptUpgrade) {
        final Http2ClientConnectionHandler http2Handler = newHttp2ConnectionHandler(ch);
        if (clientFactory.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(http2Handler);
        } else {
            final Http1ClientCodec http1Codec = newHttp1Codec(clientFactory.maxHttp1InitialLineLength(),
                    clientFactory.maxHttp1HeaderSize(), clientFactory.maxHttp1ChunkSize());
            final Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(http2Handler);
            final HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, (int) Math.min(Integer.MAX_VALUE, UPGRADE_RESPONSE_MAX_LENGTH));

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler(http2Handler.responseDecoder()));
        }
    } else {
        pipeline.addLast(newHttp1Codec(clientFactory.maxHttp1InitialLineLength(),
                clientFactory.maxHttp1HeaderSize(), clientFactory.maxHttp1ChunkSize()));

        // NB: We do not call finishSuccessfully() immediately here
        //     because it assumes HttpSessionHandler to be in the pipeline,
        //     which is only true after the connection attempt is successful.
        pipeline.addLast(new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {
                ctx.pipeline().remove(this);
                finishSuccessfully(pipeline, H1C);
                ctx.fireChannelActive();
            }
        });
    }
}