Example usage for io.netty.channel ChannelFuture channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

From source file:blazingcache.network.netty.NettyChannelAcceptor.java

License:Apache License

public void start() throws Exception {
    if (ssl) {/*w w  w.  j  a  v a  2 s.  c o  m*/
        if (sslCertFile == null) {
            LOGGER.log(Level.SEVERE, "start SSL with self-signed auto-generated certificate");
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            try {
                sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).ciphers(sslCiphers)
                        .build();
            } finally {
                ssc.delete();
            }
        } else {
            LOGGER.log(Level.SEVERE, "start SSL with certificate " + sslCertFile.getAbsolutePath()
                    + " chain file " + sslCertChainFile.getAbsolutePath());
            if (sslCiphers != null) {
                LOGGER.log(Level.SEVERE, "required sslCiphers " + sslCiphers);
            }
            sslCtx = SslContextBuilder.forServer(sslCertChainFile, sslCertFile, sslCertPassword)
                    .ciphers(sslCiphers).build();
        }

    }
    if (callbackThreads == 0) {
        callbackExecutor = Executors.newCachedThreadPool();
    } else {
        callbackExecutor = Executors.newFixedThreadPool(callbackThreads, new ThreadFactory() {
            private final AtomicLong count = new AtomicLong();

            @Override
            public Thread newThread(Runnable r) {
                return new Thread(r, "blazingcache-callbacks-" + count.incrementAndGet());
            }
        });
    }
    bossGroup = new NioEventLoopGroup(workerThreads);
    workerGroup = new NioEventLoopGroup(workerThreads);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    NettyChannel session = new NettyChannel("unnamed", ch, callbackExecutor, null);
                    if (acceptor != null) {
                        acceptor.createConnection(session);
                    }

                    //                        ch.pipeline().addLast(new LoggingHandler());
                    // Add SSL handler first to encrypt and decrypt everything.
                    if (ssl) {
                        ch.pipeline().addLast(sslCtx.newHandler(ch.alloc()));
                    }

                    ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4));
                    ch.pipeline().addLast("lengthbaseddecoder",
                            new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                    //
                    ch.pipeline().addLast("messageencoder", new DataMessageEncoder());
                    ch.pipeline().addLast("messagedecoder", new DataMessageDecoder());
                    ch.pipeline().addLast(new InboundMessageHandler(session));
                }
            }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

    ChannelFuture f = b.bind(host, port).sync(); // (7)
    this.channel = f.channel();

}

---

From source file:blazingcache.network.netty.NettyConnector.java

License:Apache License

public NettyChannel connect() throws Exception {
    if (ssl) {//from w  w w.jav  a 2  s.  c o m
        this.sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    }
    group = new NioEventLoopGroup();

    Bootstrap b = new Bootstrap();
    b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    channel = new NettyChannel(host + ":" + port, ch, callbackExecutor, NettyConnector.this);
                    channel.setMessagesReceiver(receiver);
                    if (ssl) {
                        ch.pipeline().addLast(sslCtx.newHandler(ch.alloc(), host, port));
                    }
                    if (socketTimeout > 0) {
                        ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(socketTimeout));
                    }
                    ch.pipeline().addLast("lengthprepender", new LengthFieldPrepender(4));
                    ch.pipeline().addLast("lengthbaseddecoder",
                            new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
                    //
                    ch.pipeline().addLast("messageencoder", new DataMessageEncoder());
                    ch.pipeline().addLast("messagedecoder", new DataMessageDecoder());
                    ch.pipeline().addLast(new InboundMessageHandler(channel));
                }
            });

    ChannelFuture f = b.connect(host, port).sync();
    socketchannel = f.channel();
    return channel;

}

---

From source file:book.netty.n1basicC3.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/*from   w  w  w.ja  va 2 s .  com*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

From source file:book.netty.n2defualtC4P2.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/*  w w w.  j  ava  2  s  . co m*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {

                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

From source file:book.netty.n3correctC4P3.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO//from   www.  j a  v a  2 s.c o m
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new LineBasedFrameDecoder(1024));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

From source file:book.netty.n4delimiterC5P1.EchoClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/* www.jav a 2 s .  c om*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                        ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

From source file:book.netty.n4delimiterC5P1.EchoServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO//from w w w. j a v a 2s.c o m
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                        ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

        // ???
        ChannelFuture f = b.bind(port).sync();

        // ???
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:book.netty.n5fixedLenC5P2.EchoServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO/* ww  w. java  2 s. c o m*/
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new FixedLengthFrameDecoder(20));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

        // ???
        ChannelFuture f = b.bind(port).sync();

        // ???
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:books.netty.basic.TimeClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO//w  w w. j  a v a2  s .c o m
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) {
                        ch.pipeline().addLast(new TimeClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

From source file:books.netty.codec.marshalling.SubReqClient.java

License:Apache License

public void connect(int port, String host) throws Exception {
    // ?NIO/*from   ww  w  .  ja  v  a  2 s.c  om*/
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) {
                        ch.pipeline().addLast(MarshallingCodeCFactory.buildMarshallingDecoder());
                        ch.pipeline().addLast(MarshallingCodeCFactory.buildMarshallingEncoder());
                        ch.pipeline().addLast(new SubReqClientHandler());
                    }
                });

        // ??
        ChannelFuture f = b.connect(host, port).sync();

        // 
        f.channel().closeFuture().sync();
    } finally {
        // NIO
        group.shutdownGracefully();
    }
}

---

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