Examples with Channel io.netty.channel.Channel used on opensource projects

Example 51 with Channel

use of io.netty.channel.Channel in project netty by netty.

the class SSLEngineTest method mySetupMutualAuth.

private void mySetupMutualAuth(File servertTrustCrtFile, File serverKeyFile, final File serverCrtFile, String serverKeyPassword, File clientTrustCrtFile, File clientKeyFile, File clientCrtFile, String clientKeyPassword) throws InterruptedException, SSLException {
    serverSslCtx = SslContextBuilder.forServer(serverCrtFile, serverKeyFile, serverKeyPassword).sslProvider(sslServerProvider()).trustManager(servertTrustCrtFile).ciphers(null, IdentityCipherSuiteFilter.INSTANCE).sessionCacheSize(0).sessionTimeout(0).build();
    clientSslCtx = SslContextBuilder.forClient().sslProvider(sslClientProvider()).trustManager(clientTrustCrtFile).keyManager(clientCrtFile, clientKeyFile, clientKeyPassword).ciphers(null, IdentityCipherSuiteFilter.INSTANCE).sessionCacheSize(0).sessionTimeout(0).build();
    serverConnectedChannel = null;
    sb = new ServerBootstrap();
    cb = new Bootstrap();
    sb.group(new NioEventLoopGroup(), new NioEventLoopGroup());
    sb.channel(NioServerSocketChannel.class);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            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 ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        serverException = cause.getCause();
                        serverLatch.countDown();
                    } else {
                        serverException = cause;
                        ctx.fireExceptionCaught(cause);
                    }
                }

                @Override
                public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
                    if (evt == SslHandshakeCompletionEvent.SUCCESS) {
                        try {
                            InputStream in = new FileInputStream(serverCrtFile);
                            try {
                                final byte[] cert = SslContext.X509_CERT_FACTORY.generateCertificate(in).getEncoded();
                                // Verify session
                                SSLSession session = ctx.pipeline().get(SslHandler.class).engine().getSession();
                                assertEquals(1, session.getPeerCertificates().length);
                                assertArrayEquals(cert, session.getPeerCertificates()[0].getEncoded());
                                assertEquals(1, session.getPeerCertificateChain().length);
                                assertArrayEquals(cert, session.getPeerCertificateChain()[0].getEncoded());
                                assertEquals(1, session.getLocalCertificates().length);
                                assertArrayEquals(cert, session.getLocalCertificates()[0].getEncoded());
                                assertEquals(PRINCIPAL_NAME, session.getLocalPrincipal().getName());
                                assertEquals(PRINCIPAL_NAME, session.getPeerPrincipal().getName());
                            } finally {
                                in.close();
                            }
                        } catch (Throwable cause) {
                            serverException = cause;
                        }
                    }
                }
            });
            serverConnectedChannel = ch;
        }
    });
    cb.group(new NioEventLoopGroup());
    cb.channel(NioSocketChannel.class);
    cb.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(clientSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    cause.printStackTrace();
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        clientException = cause.getCause();
                        clientLatch.countDown();
                    } else {
                        ctx.fireExceptionCaught(cause);
                    }
                }
            });
        }
    });
    serverChannel = sb.bind(new InetSocketAddress(0)).sync().channel();
    int port = ((InetSocketAddress) serverChannel.localAddress()).getPort();
    ChannelFuture ccf = cb.connect(new InetSocketAddress(NetUtil.LOCALHOST, port));
    assertTrue(ccf.awaitUninterruptibly().isSuccess());
    clientChannel = ccf.channel();
}

Example 52 with Channel

use of io.netty.channel.Channel in project netty by netty.

the class SSLEngineTest method setupHandlers.

protected void setupHandlers(SslContext serverCtx, SslContext clientCtx) throws InterruptedException, SSLException, CertificateException {
    serverSslCtx = serverCtx;
    clientSslCtx = clientCtx;
    serverConnectedChannel = null;
    sb = new ServerBootstrap();
    cb = new Bootstrap();
    sb.group(new NioEventLoopGroup(), new NioEventLoopGroup());
    sb.channel(NioServerSocketChannel.class);
    sb.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(serverSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(serverReceiver, serverLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @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 {
            ch.config().setAllocator(new TestByteBufAllocator(ch.config().getAllocator(), type));
            ChannelPipeline p = ch.pipeline();
            p.addLast(clientSslCtx.newHandler(ch.alloc()));
            p.addLast(new MessageDelegatorChannelHandler(clientReceiver, clientLatch));
            p.addLast(new ChannelInboundHandlerAdapter() {

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
                    if (cause.getCause() instanceof SSLHandshakeException) {
                        clientException = cause.getCause();
                        clientLatch.countDown();
                    } else {
                        ctx.fireExceptionCaught(cause);
                    }
                }
            });
        }
    });
    serverChannel = sb.bind(new InetSocketAddress(0)).syncUninterruptibly().channel();
    ChannelFuture ccf = cb.connect(serverChannel.localAddress());
    assertTrue(ccf.syncUninterruptibly().isSuccess());
    clientChannel = ccf.channel();
}

Example 53 with Channel

use of io.netty.channel.Channel in project netty by netty.

the class SniHandlerTest method testSniWithApnHandler.

@Test
public void testSniWithApnHandler() throws Exception {
    SslContext nettyContext = makeSslContext(provider, true);
    SslContext sniContext = makeSslContext(provider, true);
    final SslContext clientContext = makeSslClientContext(provider, true);
    try {
        final CountDownLatch serverApnDoneLatch = new CountDownLatch(1);
        final CountDownLatch clientApnDoneLatch = new CountDownLatch(1);
        final DomainNameMapping<SslContext> mapping = new DomainNameMappingBuilder<SslContext>(nettyContext).add("*.netty.io", nettyContext).add("sni.fake.site", sniContext).build();
        final SniHandler handler = new SniHandler(mapping);
        EventLoopGroup group = new NioEventLoopGroup(2);
        Channel serverChannel = null;
        Channel clientChannel = null;
        try {
            ServerBootstrap sb = new ServerBootstrap();
            sb.group(group);
            sb.channel(NioServerSocketChannel.class);
            sb.childHandler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    // Server side SNI.
                    p.addLast(handler);
                    // Catch the notification event that APN has completed successfully.
                    p.addLast(new ApplicationProtocolNegotiationHandler("foo") {

                        @Override
                        protected void configurePipeline(ChannelHandlerContext ctx, String protocol) {
                            serverApnDoneLatch.countDown();
                        }
                    });
                }
            });
            Bootstrap cb = new Bootstrap();
            cb.group(group);
            cb.channel(NioSocketChannel.class);
            cb.handler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    ch.pipeline().addLast(new SslHandler(clientContext.newEngine(ch.alloc(), "sni.fake.site", -1)));
                    // Catch the notification event that APN has completed successfully.
                    ch.pipeline().addLast(new ApplicationProtocolNegotiationHandler("foo") {

                        @Override
                        protected void configurePipeline(ChannelHandlerContext ctx, String protocol) {
                            clientApnDoneLatch.countDown();
                        }
                    });
                }
            });
            serverChannel = sb.bind(new InetSocketAddress(0)).sync().channel();
            ChannelFuture ccf = cb.connect(serverChannel.localAddress());
            assertTrue(ccf.awaitUninterruptibly().isSuccess());
            clientChannel = ccf.channel();
            assertTrue(serverApnDoneLatch.await(5, TimeUnit.SECONDS));
            assertTrue(clientApnDoneLatch.await(5, TimeUnit.SECONDS));
            assertThat(handler.hostname(), is("sni.fake.site"));
            assertThat(handler.sslContext(), is(sniContext));
        } finally {
            if (serverChannel != null) {
                serverChannel.close().sync();
            }
            if (clientChannel != null) {
                clientChannel.close().sync();
            }
            group.shutdownGracefully(0, 0, TimeUnit.MICROSECONDS);
        }
    } finally {
        releaseAll(clientContext, nettyContext, sniContext);
    }
}

Example 54 with Channel

use of io.netty.channel.Channel in project okhttp by square.

the class NettyHttpClient method enqueue.

@Override
public void enqueue(HttpUrl url) throws Exception {
    HttpChannel httpChannel = null;
    synchronized (this) {
        if (!freeChannels.isEmpty()) {
            httpChannel = freeChannels.pop();
        } else if (totalChannels < concurrencyLevel) {
            // Create a new channel. (outside of the synchronized block).
            totalChannels++;
        } else {
            // Enqueue this for later, to be picked up when another request completes.
            backlog.add(url);
            return;
        }
    }
    if (httpChannel == null) {
        Channel channel = bootstrap.connect(url.host(), url.port()).sync().channel();
        httpChannel = (HttpChannel) channel.pipeline().last();
    }
    httpChannel.sendRequest(url);
}

Example 55 with Channel

use of io.netty.channel.Channel in project rest.li by linkedin.

the class HttpNettyClient method shutdown.

@Override
public void shutdown(final Callback<None> callback) {
    LOG.info("Shutdown requested");
    if (_state.compareAndSet(State.RUNNING, State.SHUTTING_DOWN)) {
        LOG.info("Shutting down");
        final long deadline = System.currentTimeMillis() + _shutdownTimeout;
        TimeoutCallback<None> closeChannels = new TimeoutCallback<None>(_scheduler, _shutdownTimeout, TimeUnit.MILLISECONDS, new Callback<None>() {

            private void finishShutdown() {
                _state.set(State.REQUESTS_STOPPING);
                // Timeout any waiters which haven't received a Channel yet
                for (Callback<Channel> callback : _channelPoolManager.cancelWaiters()) {
                    callback.onError(new TimeoutException("Operation did not complete before shutdown"));
                }
                // Timeout any requests still pending response
                for (Channel c : _allChannels) {
                    TransportCallback<RestResponse> callback = c.attr(RAPResponseHandler.CALLBACK_ATTR_KEY).getAndRemove();
                    if (callback != null) {
                        errorResponse(callback, new TimeoutException("Operation did not complete before shutdown"));
                    }
                }
                // Close all active and idle Channels
                final TimeoutRunnable afterClose = new TimeoutRunnable(_scheduler, deadline - System.currentTimeMillis(), TimeUnit.MILLISECONDS, new Runnable() {

                    @Override
                    public void run() {
                        _state.set(State.SHUTDOWN);
                        LOG.info("Shutdown complete");
                        callback.onSuccess(None.none());
                    }
                }, "Timed out waiting for channels to close, continuing shutdown");
                _allChannels.close().addListener(new ChannelGroupFutureListener() {

                    @Override
                    public void operationComplete(ChannelGroupFuture channelGroupFuture) throws Exception {
                        if (!channelGroupFuture.isSuccess()) {
                            LOG.warn("Failed to close some connections, ignoring");
                        }
                        afterClose.run();
                    }
                });
            }

            @Override
            public void onSuccess(None none) {
                LOG.info("All connection pools shut down, closing all channels");
                finishShutdown();
            }

            @Override
            public void onError(Throwable e) {
                LOG.warn("Error shutting down HTTP connection pools, ignoring and continuing shutdown", e);
                finishShutdown();
            }
        }, "Connection pool shutdown timeout exceeded (" + _shutdownTimeout + "ms)");
        _channelPoolManager.shutdown(closeChannels);
        _jmxManager.onProviderShutdown(_channelPoolManager);
    } else {
        callback.onError(new IllegalStateException("Shutdown has already been requested."));
    }
}