Example usage for io.netty.channel ChannelPipeline addLast

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.linecorp.armeria.client.HttpConfigurator.java

License:Apache License

private void configureAsHttps(Channel ch) {
    ChannelPipeline pipeline = ch.pipeline();
    SslHandler sslHandler = sslCtx.newHandler(ch.alloc());
    pipeline.addLast(sslHandler);
    pipeline.addLast(new ChannelInboundHandlerAdapter() {
        @Override//from w  ww . j a v a2  s .c o m
        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(pipeline, 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(pipeline, newHttp1Codec());
                protocol = H1;
            }
            finishSuccessfully(pipeline, protocol);
            pipeline.remove(this);
        }

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

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

License:Apache License

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

    final boolean attemptUpgrade;
    switch (httpPreference) {
    case HTTP1_REQUIRED:
        attemptUpgrade = false;/*from  w  ww .  j a  v  a 2s. 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) {
        if (options.useHttp2Preface()) {
            pipeline.addLast(new DowngradeHandler());
            pipeline.addLast(newHttp2ConnectionHandler(ch));
        } else {
            Http1ClientCodec http1Codec = newHttp1Codec();
            Http2ClientUpgradeCodec http2ClientUpgradeCodec = new Http2ClientUpgradeCodec(
                    newHttp2ConnectionHandler(ch));
            HttpClientUpgradeHandler http2UpgradeHandler = new HttpClientUpgradeHandler(http1Codec,
                    http2ClientUpgradeCodec, options.maxFrameLength());

            pipeline.addLast(http1Codec);
            pipeline.addLast(new WorkaroundHandler());
            pipeline.addLast(http2UpgradeHandler);
            pipeline.addLast(new UpgradeRequestHandler());
        }
    } 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.server.http.HttpServerPipelineConfigurator.java

License:Apache License

@Override
protected void initChannel(Channel ch) throws Exception {
    final ChannelPipeline p = ch.pipeline();
    p.addLast(new FlushConsolidationHandler());
    p.addLast(ReadSuppressingHandler.INSTANCE);

    if (port.protocol().isTls()) {
        p.addLast(new SniHandler(sslContexts));
        configureHttps(p);//w w  w  .  j ava  2 s .  c o  m
    } else {
        configureHttp(p);
    }
}

From source file:com.linecorp.armeria.server.http.HttpServerPipelineConfigurator.java

License:Apache License

private void configureHttp(ChannelPipeline p) {
    p.addLast(new Http2PrefaceOrHttpHandler());
    configureRequestCountingHandlers(p);
    p.addLast(new HttpServerHandler(config, SessionProtocol.H1C));
}

From source file:com.linecorp.armeria.server.http.HttpServerPipelineConfigurator.java

License:Apache License

private void configureRequestCountingHandlers(ChannelPipeline p) {
    if (config.idleTimeoutMillis() > 0) {
        p.addFirst(new HttpServerIdleTimeoutHandler(config.idleTimeoutMillis()));
    }/*  www.  j av a  2  s . com*/
    gracefulShutdownHandler.ifPresent(h -> {
        h.reset();
        p.addLast(h);
    });
}

From source file:com.linecorp.armeria.server.http.HttpServerPipelineConfigurator.java

License:Apache License

private void configureHttps(ChannelPipeline p) {
    p.addLast(new Http2OrHttpHandler());
}

From source file:com.linecorp.armeria.server.HttpServerPipelineConfigurator.java

License:Apache License

@Override
protected void initChannel(Channel ch) throws Exception {
    final ChannelPipeline p = ch.pipeline();
    p.addLast(new FlushConsolidationHandler());
    p.addLast(ReadSuppressingHandler.INSTANCE);
    configurePipeline(p, port.protocols(), null);
}

From source file:com.linecorp.armeria.server.HttpServerPipelineConfigurator.java

License:Apache License

private void configurePipeline(ChannelPipeline p, Set<SessionProtocol> protocols,
        @Nullable ProxiedAddresses proxiedAddresses) {
    if (protocols.size() == 1) {
        switch (Iterables.getFirst(protocols, null)) {
        case HTTP:
            configureHttp(p, proxiedAddresses);
            break;
        case HTTPS:
            configureHttps(p, proxiedAddresses);
            break;
        default://from w  ww .  j  a  v a  2 s.  c o  m
            // Should never reach here.
            throw new Error();
        }
        return;
    }

    // More than one protocol were specified. Detect the protocol.
    p.addLast(new ProtocolDetectionHandler(protocols, proxiedAddresses));
}

From source file:com.linecorp.armeria.server.HttpServerPipelineConfigurator.java

License:Apache License

private void configureHttp(ChannelPipeline p, @Nullable ProxiedAddresses proxiedAddresses) {
    p.addLast(TrafficLoggingHandler.SERVER);
    p.addLast(new Http2PrefaceOrHttpHandler());
    configureIdleTimeoutHandler(p);/*  www. j a  v  a  2s .co m*/
    p.addLast(new HttpServerHandler(config, gracefulShutdownSupport, SessionProtocol.H1C, proxiedAddresses));
}

From source file:com.linecorp.armeria.server.HttpServerPipelineConfigurator.java

License:Apache License

private void configureHttps(ChannelPipeline p, @Nullable ProxiedAddresses proxiedAddresses) {
    assert sslContexts != null;
    p.addLast(new SniHandler(sslContexts));
    p.addLast(TrafficLoggingHandler.SERVER);
    p.addLast(new Http2OrHttpHandler(proxiedAddresses));
}