Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

List of usage examples for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

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Introduction

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

Prototype

public NioEventLoopGroup()

Source Link

Document

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:com.hxr.javatone.concurrency.netty.official.factorial.FactorialServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from w  w  w  .  j  av  a2  s  .  c  o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new FactorialServerInitializer());

        b.bind(port).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.filetransfer.FileServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*  w w w  . ja  v a  2s.  co m*/
        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 StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(8192), new StringDecoder(CharsetUtil.UTF_8),
                                new FileHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.localecho.LocalEcho.java

License:Apache License

public void run() throws Exception {
    // Address to bind on / connect to.
    final LocalAddress addr = new LocalAddress(port);

    EventLoopGroup serverGroup = new DefaultEventLoopGroup();
    EventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
    try {//ww w  .jav a 2 s .c  o m
        // Note that we can use any event loop to ensure certain local channels
        // are handled by the same event loop thread which drives a certain socket channel
        // to reduce the communication latency between socket channels and local channels.
        ServerBootstrap sb = new ServerBootstrap();
        sb.group(serverGroup).channel(LocalServerChannel.class)
                .handler(new ChannelInitializer<LocalServerChannel>() {
                    @Override
                    public void initChannel(LocalServerChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));
                    }
                }).childHandler(new ChannelInitializer<LocalChannel>() {
                    @Override
                    public void initChannel(LocalChannel ch) throws Exception {
                        ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoServerHandler());
                    }
                });

        Bootstrap cb = new Bootstrap();
        cb.group(clientGroup).channel(LocalChannel.class).handler(new ChannelInitializer<LocalChannel>() {
            @Override
            public void initChannel(LocalChannel ch) throws Exception {
                ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoClientHandler());
            }
        });

        // Start the server.
        sb.bind(addr).sync();

        // Start the client.
        Channel ch = cb.connect(addr).sync().channel();

        // Read commands from the stdin.
        System.out.println("Enter text (quit to end)");
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null || "quit".equalsIgnoreCase(line)) {
                break;
            }

            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line);
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.awaitUninterruptibly();
        }
    } finally {
        serverGroup.shutdownGracefully();
        clientGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.objectecho.ObjectEchoClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*w  ww  .  j  a v a 2s . com*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new ObjectEncoder(),
                        new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                        new ObjectEchoClientHandler(firstMessageSize));
            }
        });

        // Start the connection attempt.
        b.connect(host, port).sync().channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.objectecho.ObjectEchoServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from w  ww  . j  a  v  a  2s  .  c o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ObjectEncoder(),
                                new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                                new ObjectEchoServerHandler());
                    }
                });

        // Bind and start to accept incoming connections.
        b.bind(port).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.qotm.QuoteOfTheMomentClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {/*w w  w  .jav  a2  s  . c  o  m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentClientHandler());

        Channel ch = b.bind(0).sync().channel();

        // Broadcast the QOTM request to port 8080.
        ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                new InetSocketAddress("255.255.255.255", port))).sync();

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
        // response is received.  If the channel is not closed within 5 seconds,
        // print an error message and quit.
        if (!ch.closeFuture().await(5000)) {
            System.err.println("QOTM request timed out.");
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.qotm.QuoteOfTheMomentServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {// w  w w.  j a v  a  2s .com
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentServerHandler());

        b.bind(port).sync().channel().closeFuture().await();
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.securechat.SecureChatClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {//from   w ww.j  a v  a 2  s . c o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new SecureChatClientInitializer());

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

        // Read commands from the stdin.
        ChannelFuture lastWriteFuture = null;
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        for (;;) {
            String line = in.readLine();
            if (line == null) {
                break;
            }

            // Sends the received line to the server.
            lastWriteFuture = ch.writeAndFlush(line + "\r\n");

            // If user typed the 'bye' command, wait until the server closes
            // the connection.
            if ("bye".equals(line.toLowerCase())) {
                ch.closeFuture().sync();
                break;
            }
        }

        // Wait until all messages are flushed before closing the channel.
        if (lastWriteFuture != null) {
            lastWriteFuture.sync();
        }
    } finally {
        // The connection is closed automatically on shutdown.
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.securechat.SecureChatServer.java

License:Apache License

public void run() throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w  w w. j ava  2s.c o m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new SecureChatServerInitializer());

        b.bind(port).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.telnet.TelnetServer.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from w ww .j  av  a  2  s . c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new TelnetServerInitializer());

        b.bind(port).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}