Example usage for io.netty.channel ChannelInitializer ChannelInitializer

List of usage examples for io.netty.channel ChannelInitializer ChannelInitializer

Introduction

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

Prototype

ChannelInitializer

Source Link

Usage

From source file:code.google.nfs.rpc.netty4.client.Netty4ClientFactory.java

License:Apache License

protected Client createClient(String targetIP, int targetPort, int connectTimeout, String key)
        throws Exception {
    final Netty4ClientHandler handler = new Netty4ClientHandler(this, key);

    EventLoopGroup group = new NioEventLoopGroup(1);
    Bootstrap b = new Bootstrap();
    b.group(group).channel(NioSocketChannel.class)
            .option(ChannelOption.TCP_NODELAY,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.nodelay", "true")))
            .option(ChannelOption.SO_REUSEADDR,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.reuseaddress", "true")))
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout < 1000 ? 1000 : connectTimeout)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override//w  w w . ja  va 2s .c o  m
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("decoder", new Netty4ProtocolDecoder());
                    ch.pipeline().addLast("encoder", new Netty4ProtocolEncoder());
                    ch.pipeline().addLast("handler", handler);
                }
            });

    ChannelFuture future = b.connect(targetIP, targetPort);

    future.awaitUninterruptibly(connectTimeout);
    if (!future.isDone()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " timeout!");
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " timeout!");
    }
    if (future.isCancelled()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
    }
    if (!future.isSuccess()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
    }
    Netty4Client client = new Netty4Client(future, key, connectTimeout);
    handler.setClient(client);
    return client;
}

From source file:code.google.nfs.rpc.netty4.server.Netty4Server.java

License:Apache License

public void start(int listenPort, final ExecutorService ignore) throws Exception {
    if (!startFlag.compareAndSet(false, true)) {
        return;//  w  w w .j av  a 2s .  c  o  m
    }
    bossGroup = new NioEventLoopGroup();
    ioGroup = new NioEventLoopGroup();
    businessGroup = new DefaultEventExecutorGroup(businessThreads);

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, ioGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.TCP_NODELAY,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.nodelay", "true")))
            .childOption(ChannelOption.SO_REUSEADDR,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.reuseaddress", "true")))
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("decoder", new Netty4ProtocolDecoder());
                    ch.pipeline().addLast("encoder", new Netty4ProtocolEncoder());
                    ch.pipeline().addLast(businessGroup, "handler", new Netty4ServerHandler());
                }
            });

    b.bind(listenPort).sync();
    LOGGER.warn("Server started,listen at: " + listenPort + ", businessThreads is " + businessThreads);
}

From source file:com.addthis.meshy.Meshy.java

License:Apache License

protected Meshy() {
    if (HOSTNAME != null) {
        uuid = HOSTNAME + "-" + Long.toHexString(System.currentTimeMillis() & 0xffffff);
    } else {/*from  w w w  .  j av  a  2  s .c  o m*/
        uuid = Long.toHexString(UUID.randomUUID().getMostSignificantBits());
    }
    workerGroup = new NioEventLoopGroup();
    clientBootstrap = new Bootstrap().option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_KEEPALIVE, true)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 30000)
            .option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATERMARK)
            .option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATERMARK).channel(NioSocketChannel.class)
            .group(workerGroup).handler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ChannelState(Meshy.this, ch));
                }
            });
    updateLastEventTime();
}

From source file:com.addthis.meshy.MeshyServer.java

License:Apache License

public MeshyServer(final int port, final File rootDir, @Nullable String[] netif, final MeshyServerGroup group)
        throws IOException {
    super();/*from  w  w  w .  j av a2  s  .co m*/
    this.group = group;
    this.rootDir = rootDir;
    this.filesystems = loadFileSystems(rootDir);
    this.serverPeers = new AtomicInteger(0);
    bossGroup = new NioEventLoopGroup(1);
    ServerBootstrap bootstrap = new ServerBootstrap()
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.SO_BACKLOG, 1024).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 30000)
            .option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATERMARK)
            .childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATERMARK)
            .channel(NioServerSocketChannel.class).group(bossGroup, workerGroup)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ChannelState(MeshyServer.this, ch));
                }
            });
    /* bind to one or more interfaces, if supplied, otherwise all */
    if ((netif == null) || (netif.length == 0)) {
        ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap.bind(new InetSocketAddress(port))
                .syncUninterruptibly().channel();
        serverLocal = serverChannel.localAddress();
    } else {
        InetSocketAddress primaryServerLocal = null;
        for (String net : netif) {
            NetworkInterface nicif = NetworkInterface.getByName(net);
            if (nicif == null) {
                log.warn("missing speficied NIC: {}", net);
                continue;
            }
            for (InterfaceAddress addr : nicif.getInterfaceAddresses()) {
                InetAddress inAddr = addr.getAddress();
                if (inAddr.getAddress().length != 4) {
                    log.trace("skip non-ipV4 address: {}", inAddr);
                    continue;
                }
                ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap
                        .bind(new InetSocketAddress(inAddr, port)).syncUninterruptibly().channel();
                if (primaryServerLocal != null) {
                    log.info("server [{}-*] binding to extra address: {}", super.getUUID(), primaryServerLocal);
                }
                primaryServerLocal = serverChannel.localAddress();
            }
        }
        if (primaryServerLocal == null) {
            throw new IllegalArgumentException("no valid interface / port specified");
        }
        serverLocal = primaryServerLocal;
    }
    this.serverNetIf = NetworkInterface.getByInetAddress(serverLocal.getAddress());
    this.serverPort = serverLocal.getPort();
    if (serverNetIf != null) {
        serverUuid = super.getUUID() + "-" + serverPort + "-" + serverNetIf.getName();
    } else {
        serverUuid = super.getUUID() + "-" + serverPort;
    }
    log.info("server [{}] on {} @ {}", getUUID(), serverLocal, rootDir);
    closeFuture = new DefaultPromise<>(GlobalEventExecutor.INSTANCE);
    workerGroup.terminationFuture().addListener((Future<Object> workerFuture) -> {
        bossGroup.terminationFuture().addListener((Future<Object> bossFuture) -> {
            if (!workerFuture.isSuccess()) {
                closeFuture.tryFailure(workerFuture.cause());
            } else if (!bossFuture.isSuccess()) {
                closeFuture.tryFailure(bossFuture.cause());
            } else {
                closeFuture.trySuccess(null);
            }
        });
    });
    addMessageFileSystemPaths();
    group.join(this);
    if (autoMesh) {
        startAutoMesh(serverPort, autoMeshTimeout);
    }
}

From source file:com.ahanda.techops.noty.clientTest.Client.java

License:Apache License

public static void main(String[] args) throws Exception {
    if (args.length == 1) {
        System.setProperty("PINT.conf", args[0]);
    }/*from  w  w  w .j  a v a2s.  com*/

    if (System.getProperty("PINT.conf") == null)
        throw new IllegalArgumentException();

    JsonNode config = null;
    Config cf = Config.getInstance();
    cf.setupConfig();

    String scheme = "http";
    String host = cf.getHttpHost();
    int port = cf.getHttpPort();

    if (port == -1) {
        port = 8080;
    }

    if (!"http".equalsIgnoreCase(scheme)) {
        l.warn("Only HTTP is supported.");
        return;
    }

    // Configure SSL context if necessary.
    final boolean ssl = "https".equalsIgnoreCase(scheme);
    final SslContext sslCtx;
    if (ssl) {
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                p.addLast(new HttpClientCodec());
                // p.addLast( "decoder", new HttpResponseDecoder());
                // p.addLast( "encoder", new HttpRequestEncoder());

                // Remove the following line if you don't want automatic content decompression.
                // p.addLast(new HttpContentDecompressor());

                // Uncomment the following line if you don't want to handle HttpContents.
                p.addLast(new HttpObjectAggregator(10485760));

                p.addLast(new ClientHandler());
            }
        });

        // Make the connection attempt.
        Channel ch = b.connect(host, port).sync().channel();

        ClientHandler client = new ClientHandler();
        client.login(ch, ClientHandler.credential);
        // ClientHandler.pubEvent( ch, ClientHandler.event );

        // Wait for the server to close the connection.
        ch.closeFuture().sync();
        l.info("Closing Client side Connection !!!");
    } finally {
        // Shut down executor threads to exit.
        group.shutdownGracefully();
    }
}

From source file:com.alexkasko.netty.ftp.FtpServerTest.java

License:Apache License

@Test
public void test() throws IOException, InterruptedException {
    final DefaultCommandExecutionTemplate defaultCommandExecutionTemplate = new DefaultCommandExecutionTemplate(
            new ConsoleReceiver());
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {

                @Override/*from w  w w .j  a  va2 s  .  c  o  m*/
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipe = ch.pipeline();
                    pipe.addLast("decoder", new CrlfStringDecoder());
                    pipe.addLast("handler", new FtpServerHandler(defaultCommandExecutionTemplate));
                }

            });
    b.localAddress(2121).bind();
    FTPClient client = new FTPClient();
    //        https://issues.apache.org/jira/browse/NET-493

    client.setBufferSize(0);
    client.connect("127.0.0.1", 2121);
    assertEquals(230, client.user("anonymous"));

    // active
    assertTrue(client.setFileType(FTP.BINARY_FILE_TYPE));
    assertEquals("/", client.printWorkingDirectory());
    assertTrue(client.changeWorkingDirectory("/foo"));
    assertEquals("/foo", client.printWorkingDirectory());
    assertTrue(client.listFiles("/foo").length == 0);
    assertTrue(client.storeFile("bar", new ByteArrayInputStream("content".getBytes())));
    assertTrue(client.rename("bar", "baz"));
    //  assertTrue(client.deleteFile("baz"));

    // passive
    assertTrue(client.setFileType(FTP.BINARY_FILE_TYPE));
    client.enterLocalPassiveMode();
    assertEquals("/foo", client.printWorkingDirectory());
    assertTrue(client.changeWorkingDirectory("/foo"));
    assertEquals("/foo", client.printWorkingDirectory());

    //TODO make a virtual filesystem that would work with directory
    //assertTrue(client.listFiles("/foo").length==1);

    assertTrue(client.storeFile("bar", new ByteArrayInputStream("content".getBytes())));
    assertTrue(client.rename("bar", "baz"));
    // client.deleteFile("baz");

    assertEquals(221, client.quit());
    try {
        client.noop();
        fail("Should throw exception");
    } catch (IOException e) {
        //expected;
    }

}

From source file:com.alexkasko.netty.ftp.StartServer.java

License:Apache License

public static void main(String... args) throws Exception {
    final DefaultCommandExecutionTemplate defaultCommandExecutionTemplate = new DefaultCommandExecutionTemplate(
            new ConsoleReceiver());

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {

                @Override/*from  www  . j a va2  s  .c o m*/
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipe = ch.pipeline();
                    pipe.addLast("decoder", new CrlfStringDecoder());
                    pipe.addLast("handler", new FtpServerHandler(defaultCommandExecutionTemplate));
                }

            });
    b.localAddress(2121).bind().channel().closeFuture().sync();
}

From source file:com.alibaba.dubbo.qos.server.Server.java

License:Apache License

/**
 * start server, bind port/*from w w w.j ava  2  s  .c om*/
 */
public void start() throws Throwable {
    if (!hasStarted.compareAndSet(false, true)) {
        return;
    }
    boss = new NioEventLoopGroup(0, new DefaultThreadFactory("qos-boss", true));
    worker = new NioEventLoopGroup(0, new DefaultThreadFactory("qos-worker", true));
    ServerBootstrap serverBootstrap = new ServerBootstrap();
    serverBootstrap.group(boss, worker);
    serverBootstrap.channel(NioServerSocketChannel.class);
    serverBootstrap.childOption(ChannelOption.TCP_NODELAY, true);
    serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, true);
    serverBootstrap.childHandler(new ChannelInitializer<Channel>() {

        @Override
        protected void initChannel(Channel ch) throws Exception {
            ch.pipeline().addLast(new QosProcessHandler(welcome, acceptForeignIp));
        }
    });
    try {
        serverBootstrap.bind(port).sync();
        logger.info("qos-server bind localhost:" + port);
    } catch (Throwable throwable) {
        logger.error("qos-server can not bind localhost:" + port, throwable);
        throw throwable;
    }
}

From source file:com.alibaba.dubbo.remoting.transport.netty.NettyClient.java

License:Apache License

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    final NettyClientHandler nettyClientHandler = new NettyClientHandler(getUrl(), this);
    bootstrap = new Bootstrap();
    bootstrap.group(nioEventLoopGroup).option(ChannelOption.SO_KEEPALIVE, true)
            .option(ChannelOption.TCP_NODELAY, true)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            //.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getTimeout())
            .channel(NioSocketChannel.class);

    if (getTimeout() < 3000) {
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 3000);
    } else {//  ww w  . java 2 s  .  c o  m
        bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getTimeout());
    }

    bootstrap.handler(new ChannelInitializer() {

        protected void initChannel(Channel ch) throws Exception {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyClient.this);
            ch.pipeline()//.addLast("logging",new LoggingHandler(LogLevel.INFO))//for debug
                    .addLast("decoder", adapter.getDecoder())//
                    .addLast("encoder", adapter.getEncoder())//
                    .addLast("handler", nettyClientHandler);
        }
    });
}

From source file:com.alibaba.dubbo.remoting.transport.netty.NettyServer.java

License:Apache License

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    //netty4/*from   w ww. j a  v a  2  s .  c o m*/
    bootstrap = new ServerBootstrap();
    //1?
    bossGroup = new NioEventLoopGroup(1, new DefaultThreadFactory("NettyServerBoss", true));
    //       cpu*2 
    workerGroup = new NioEventLoopGroup(
            getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS),
            new DefaultThreadFactory("NettyServerWorker", true));

    final NettyServerHandler nettyServerHandler = new NettyServerHandler(getUrl(), this);
    channels = nettyServerHandler.getChannels();

    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.TCP_NODELAY, Boolean.TRUE)
            .childOption(ChannelOption.SO_REUSEADDR, Boolean.TRUE)
            //                
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.SO_KEEPALIVE, Boolean.TRUE)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(NioSocketChannel ch) throws Exception {
                    NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyServer.this);
                    ch.pipeline()//.addLast("logging",new LoggingHandler(LogLevel.INFO))//for debug
                            .addLast("decoder", adapter.getDecoder()).addLast("encoder", adapter.getEncoder())
                            .addLast("handler", nettyServerHandler);
                }
            });
    // bind
    ChannelFuture channelFuture = bootstrap.bind(getBindAddress());
    channelFuture.syncUninterruptibly();
    channel = channelFuture.channel();

}