Package io.netty.channel

Examples of io.netty.channel.ChannelHandlerAdapter

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    static void setHandshaker(ChannelHandlerContext ctx, WebSocketServerHandshaker handshaker) {
        ctx.attr(HANDSHAKER_ATTR_KEY).set(handshaker);
    }

    static ChannelHandler forbiddenHttpRequestResponder() {
        return new ChannelHandlerAdapter() {
            @Override
            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                if (msg instanceof FullHttpRequest) {
                    FullHttpResponse response =
                            new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.FORBIDDEN);
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    static void setHandshaker(ChannelHandlerContext ctx, WebSocketServerHandshaker handshaker) {
        ctx.attr(HANDSHAKER_ATTR_KEY).set(handshaker);
    }

    static ChannelHandler forbiddenHttpRequestResponder() {
        return new ChannelHandlerAdapter() {
            @Override
            public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                if (msg instanceof FullHttpRequest) {
                    FullHttpResponse response =
                            new DefaultFullHttpResponse(HTTP_1_1, HttpResponseStatus.FORBIDDEN);
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        // Wait for the server to create the stream.
        assertTrue(requestLatch.await(5, TimeUnit.SECONDS));

        // Add a handler that will immediately throw an exception.
        clientChannel.pipeline().addFirst(new ChannelHandlerAdapter() {
            @Override
            public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
                throw Http2Exception.protocolError("Fake Exception");
            }
        });
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        // Wait for the server to create the stream.
        assertTrue(requestLatch.await(5, TimeUnit.SECONDS));

        // Add a handler that will immediately throw an exception.
        clientChannel.pipeline().addFirst(new ChannelHandlerAdapter() {
            @Override
            public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
                throw new RuntimeException("Fake Exception");
            }
        });
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        try {
            for (int i = 0; i < 100; i++) {
                Bootstrap udpBootstrap = new Bootstrap();
                udpBootstrap.group(group).channel(NioDatagramChannel.class)
                        .option(ChannelOption.SO_BROADCAST, true)
                        .handler(new ChannelHandlerAdapter() {
                            @Override
                            public void channelRead(ChannelHandlerContext ctx, Object msg) {
                                // Discard
                                ReferenceCountUtil.release(msg);
                            }
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            final Queue<ChannelFuture> futures = new LinkedBlockingQueue<ChannelFuture>();

            ServerBootstrap sb = new ServerBootstrap();
            sb.group(group).channel(NioServerSocketChannel.class);
            sb.childOption(ChannelOption.SO_SNDBUF, 1024);
            sb.childHandler(new ChannelHandlerAdapter() {
                @Override
                public void channelActive(ChannelHandlerContext ctx) throws Exception {
                    // Write a large enough data so that it is split into two loops.
                    futures.add(ctx.write(
                            ctx.alloc().buffer().writeZero(1048576)).addListener(ChannelFutureListener.CLOSE));
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    public void testFlushAfterGatheredFlush() throws Exception {
        NioEventLoopGroup group = new NioEventLoopGroup(1);
        try {
            ServerBootstrap sb = new ServerBootstrap();
            sb.group(group).channel(NioServerSocketChannel.class);
            sb.childHandler(new ChannelHandlerAdapter() {
                @Override
                public void channelActive(final ChannelHandlerContext ctx) throws Exception {
                    // Trigger a gathering write by writing two buffers.
                    ctx.write(Unpooled.wrappedBuffer(new byte[] { 'a' }));
                    ChannelFuture f = ctx.write(Unpooled.wrappedBuffer(new byte[] { 'b' }));
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        final ChannelGroup allChannels = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);

        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup);
        b.childHandler(new ChannelHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) {
                allChannels.add(ctx.channel());
            }
        });
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            @Override
            protected void initChannel(Channel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(serverSslCtx.newHandler(ch.alloc()));
                p.addLast(new MessageDelegatorChannelHandler(serverReceiver, serverLatch));
                p.addLast(new ChannelHandlerAdapter() {
                    @Override
                    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                        if (cause.getCause() instanceof SSLHandshakeException) {
                            serverException = cause.getCause();
                            serverLatch.countDown();
                        } else {
                            ctx.fireExceptionCaught(cause);
                        }
                    }
                });
                serverConnectedChannel = ch;
            }
        });

        cb.group(new NioEventLoopGroup());
        cb.channel(NioSocketChannel.class);
        cb.handler(new ChannelInitializer<Channel>() {
            @Override
            protected void initChannel(Channel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(clientSslCtx.newHandler(ch.alloc()));
                p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
                p.addLast(new ChannelHandlerAdapter() {
                    @Override
                    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                        if (cause.getCause() instanceof SSLHandshakeException) {
                            clientException = cause.getCause();
                            clientLatch.countDown();
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                SSLEngine engine = serverSslCtx.newEngine(ch.alloc());
                engine.setUseClientMode(false);
                engine.setNeedClientAuth(true);
                p.addLast(new SslHandler(engine));
                p.addLast(new MessageDelegatorChannelHandler(serverReceiver, serverLatch));
                p.addLast(new ChannelHandlerAdapter() {
                    @Override
                    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                        if (cause.getCause() instanceof SSLHandshakeException) {
                            serverException = cause.getCause();
                            serverLatch.countDown();
                        } else {
                            ctx.fireExceptionCaught(cause);
                        }
                    }
                });
                serverConnectedChannel = ch;
            }
        });

        cb.group(new NioEventLoopGroup());
        cb.channel(NioSocketChannel.class);
        cb.handler(new ChannelInitializer<Channel>() {
            @Override
            protected void initChannel(Channel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(clientSslCtx.newHandler(ch.alloc()));
                p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
                p.addLast(new ChannelHandlerAdapter() {
                    @Override
                    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                        if (cause.getCause() instanceof SSLHandshakeException) {
                            clientException = cause.getCause();
                            clientLatch.countDown();
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Related Classes of io.netty.channel.ChannelHandlerAdapter

  • io.netty.channel.group.DefaultChannnelGroupTest
  • io.netty.channel.local.LocalTransportThreadModelTest
  • io.netty.channel.local.LocalTransportThreadModelTest3
  • io.netty.channel.nio.NioDatagramChannelTest
  • io.netty.channel.nio.NioSocketChannelTest
  • io.netty.channel.oio.OioEventLoopTest
  • io.netty.handler.codec.http.websocketx.WebSocketServerProtocolHandler
  • io.netty.handler.codec.http2.Http2ConnectionRoundtripTest
  • io.netty.handler.codec.ReplayingDecoderTest
  • io.netty.handler.ssl.JdkSslEngineTest
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