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

Example 1 with ChannelInitializer

use of io.netty.channel.ChannelInitializer in project vert.x by eclipse.

the class HostnameResolutionTest method testAsyncResolveConnectIsNotifiedOnChannelEventLoop.

@Test
public void testAsyncResolveConnectIsNotifiedOnChannelEventLoop() throws Exception {
    CountDownLatch listenLatch = new CountDownLatch(1);
    NetServer s = vertx.createNetServer().connectHandler(so -> {
    });
    s.listen(1234, "localhost", onSuccess(v -> listenLatch.countDown()));
    awaitLatch(listenLatch);
    AtomicReference<Thread> channelThread = new AtomicReference<>();
    CountDownLatch connectLatch = new CountDownLatch(1);
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.channel(NioSocketChannel.class);
    bootstrap.group(vertx.nettyEventLoopGroup());
    bootstrap.resolver(((VertxInternal) vertx).nettyAddressResolverGroup());
    bootstrap.handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            channelThread.set(Thread.currentThread());
            connectLatch.countDown();
        }
    });
    ChannelFuture channelFut = bootstrap.connect("localhost", 1234);
    awaitLatch(connectLatch);
    channelFut.addListener(v -> {
        assertTrue(v.isSuccess());
        assertEquals(channelThread.get(), Thread.currentThread());
        testComplete();
    });
    await();
}

Example 2 with ChannelInitializer

use of io.netty.channel.ChannelInitializer in project vert.x by eclipse.

the class HttpServerImpl method listen.

public synchronized HttpServer listen(int port, String host, Handler<AsyncResult<HttpServer>> listenHandler) {
    if (requestStream.handler() == null && wsStream.handler() == null) {
        throw new IllegalStateException("Set request or websocket handler first");
    }
    if (listening) {
        throw new IllegalStateException("Already listening");
    }
    listenContext = vertx.getOrCreateContext();
    listening = true;
    serverOrigin = (options.isSsl() ? "https" : "http") + "://" + host + ":" + port;
    List<HttpVersion> applicationProtocols = options.getAlpnVersions();
    if (listenContext.isWorkerContext()) {
        applicationProtocols = applicationProtocols.stream().filter(v -> v != HttpVersion.HTTP_2).collect(Collectors.toList());
    }
    sslHelper.setApplicationProtocols(applicationProtocols);
    synchronized (vertx.sharedHttpServers()) {
        // Will be updated on bind for a wildcard port
        this.actualPort = port;
        id = new ServerID(port, host);
        HttpServerImpl shared = vertx.sharedHttpServers().get(id);
        if (shared == null || port == 0) {
            serverChannelGroup = new DefaultChannelGroup("vertx-acceptor-channels", GlobalEventExecutor.INSTANCE);
            ServerBootstrap bootstrap = new ServerBootstrap();
            bootstrap.group(vertx.getAcceptorEventLoopGroup(), availableWorkers);
            bootstrap.channel(NioServerSocketChannel.class);
            applyConnectionOptions(bootstrap);
            sslHelper.validate(vertx);
            bootstrap.childHandler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    if (requestStream.isPaused() || wsStream.isPaused()) {
                        ch.close();
                        return;
                    }
                    ChannelPipeline pipeline = ch.pipeline();
                    if (sslHelper.isSSL()) {
                        pipeline.addLast("ssl", sslHelper.createSslHandler(vertx));
                        if (options.isUseAlpn()) {
                            pipeline.addLast("alpn", new ApplicationProtocolNegotiationHandler("http/1.1") {

                                @Override
                                protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
                                    if (protocol.equals("http/1.1")) {
                                        configureHttp1(pipeline);
                                    } else {
                                        handleHttp2(ch);
                                    }
                                }
                            });
                        } else {
                            configureHttp1(pipeline);
                        }
                    } else {
                        if (DISABLE_HC2) {
                            configureHttp1(pipeline);
                        } else {
                            pipeline.addLast(new Http1xOrHttp2Handler());
                        }
                    }
                }
            });
            addHandlers(this, listenContext);
            try {
                bindFuture = AsyncResolveConnectHelper.doBind(vertx, port, host, bootstrap);
                bindFuture.addListener(res -> {
                    if (res.failed()) {
                        vertx.sharedHttpServers().remove(id);
                    } else {
                        Channel serverChannel = res.result();
                        HttpServerImpl.this.actualPort = ((InetSocketAddress) serverChannel.localAddress()).getPort();
                        serverChannelGroup.add(serverChannel);
                        metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
                    }
                });
            } catch (final Throwable t) {
                // Make sure we send the exception back through the handler (if any)
                if (listenHandler != null) {
                    vertx.runOnContext(v -> listenHandler.handle(Future.failedFuture(t)));
                } else {
                    // No handler - log so user can see failure
                    log.error(t);
                }
                listening = false;
                return this;
            }
            vertx.sharedHttpServers().put(id, this);
            actualServer = this;
        } else {
            // Server already exists with that host/port - we will use that
            actualServer = shared;
            this.actualPort = shared.actualPort;
            addHandlers(actualServer, listenContext);
            metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
        }
        actualServer.bindFuture.addListener(future -> {
            if (listenHandler != null) {
                final AsyncResult<HttpServer> res;
                if (future.succeeded()) {
                    res = Future.succeededFuture(HttpServerImpl.this);
                } else {
                    res = Future.failedFuture(future.cause());
                    listening = false;
                }
                listenContext.runOnContext((v) -> listenHandler.handle(res));
            } else if (future.failed()) {
                listening = false;
                log.error(future.cause());
            }
        });
    }
    return this;
}

Example 3 with ChannelInitializer

use of io.netty.channel.ChannelInitializer in project intellij-community by JetBrains.

the class BuildManager method startListening.

private int startListening() throws Exception {
    EventLoopGroup group;
    BuiltInServer mainServer = StartupUtil.getServer();
    boolean isOwnEventLoopGroup = !Registry.is("compiler.shared.event.group", true) || mainServer == null || mainServer.getEventLoopGroup() instanceof OioEventLoopGroup;
    if (isOwnEventLoopGroup) {
        group = new NioEventLoopGroup(1, ConcurrencyUtil.newNamedThreadFactory("External compiler"));
    } else {
        group = mainServer.getEventLoopGroup();
    }
    final ServerBootstrap bootstrap = serverBootstrap(group);
    bootstrap.childHandler(new ChannelInitializer() {

        @Override
        protected void initChannel(@NotNull Channel channel) throws Exception {
            channel.pipeline().addLast(myChannelRegistrar, new ProtobufVarint32FrameDecoder(), new ProtobufDecoder(CmdlineRemoteProto.Message.getDefaultInstance()), new ProtobufVarint32LengthFieldPrepender(), new ProtobufEncoder(), myMessageDispatcher);
        }
    });
    Channel serverChannel = bootstrap.bind(InetAddress.getLoopbackAddress(), 0).syncUninterruptibly().channel();
    myChannelRegistrar.setServerChannel(serverChannel, isOwnEventLoopGroup);
    return ((InetSocketAddress) serverChannel.localAddress()).getPort();
}

Example 4 with ChannelInitializer

use of io.netty.channel.ChannelInitializer in project intellij-community by JetBrains.

the class SubServer method bind.

public boolean bind(int port) {
    if (port == server.getPort() || port == -1) {
        return true;
    }
    if (channelRegistrar == null) {
        Disposer.register(server, this);
        channelRegistrar = new ChannelRegistrar();
    }
    ServerBootstrap bootstrap = serverBootstrap(server.getEventLoopGroup());
    Map<String, Object> xmlRpcHandlers = user.createXmlRpcHandlers();
    if (xmlRpcHandlers == null) {
        BuiltInServer.configureChildHandler(bootstrap, channelRegistrar, null);
    } else {
        final XmlRpcDelegatingHttpRequestHandler handler = new XmlRpcDelegatingHttpRequestHandler(xmlRpcHandlers);
        bootstrap.childHandler(new ChannelInitializer() {

            @Override
            protected void initChannel(Channel channel) throws Exception {
                channel.pipeline().addLast(channelRegistrar);
                NettyUtil.addHttpServerCodec(channel.pipeline());
                channel.pipeline().addLast(handler);
            }
        });
    }
    try {
        bootstrap.localAddress(user.isAvailableExternally() ? new InetSocketAddress(port) : NetKt.loopbackSocketAddress(port));
        channelRegistrar.setServerChannel(bootstrap.bind().syncUninterruptibly().channel(), false);
        return true;
    } catch (Exception e) {
        try {
            NettyUtil.log(e, Logger.getInstance(BuiltInServer.class));
        } finally {
            user.cannotBind(e, port);
        }
        return false;
    }
}

Example 5 with ChannelInitializer

use of io.netty.channel.ChannelInitializer in project camel by apache.

the class NettyUDPByteArrayProviderTest method createNettyUdpReceiver.

public void createNettyUdpReceiver() {
    group = new NioEventLoopGroup();
    bootstrap = new Bootstrap();
    bootstrap.group(group).channel(NioDatagramChannel.class).handler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel channel) throws Exception {
            channel.pipeline().addLast(new UdpHandler());
            channel.pipeline().addLast(new ByteArrayDecoder());
            channel.pipeline().addLast(new ContentHandler());
        }
    }).localAddress(new InetSocketAddress(getPort()));
}