Examples with ServerBootstrap org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap used on opensource projects

Example 46 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project java-in-action by xinghalo.

the class NettyOioServer method serve.

public void serve(int port) throws InterruptedException {
    final ByteBuf buf = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hi\r\b", Charset.forName("UTF-8")));
    // 创建Boss线程组
    EventLoopGroup bossGroup = new OioEventLoopGroup(1);
    // 创建Worker线程组，默认线程数量与CPU的核的数量有关系
    EventLoopGroup workerGroup = new OioEventLoopGroup();
    try {
        // 创建BootstrapServer
        ServerBootstrap b = new ServerBootstrap();
        // 配置boss和worker
        b.group(bossGroup, workerGroup).channel(// 使用阻塞的SocketChannel
        OioServerSocketChannel.class).localAddress(// 绑定端口号
        new InetSocketAddress(port)).handler(// 定义服务器启动的时候经过的状态
        new SimpleServerHandler()).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {
                // 定义worker接收到数据的时候都干嘛
                socketChannel.pipeline().addLast(new ChannelInboundHandlerAdapter() {

                    @Override
                    public void channelActive(ChannelHandlerContext ctx) throws Exception {
                        ctx.writeAndFlush(buf.duplicate()).addListener(ChannelFutureListener.CLOSE);
                    }
                });
            }
        });
        // 绑定服务器并接收连接
        ChannelFuture f = b.bind().sync();
        // 等待服务器关闭socket
        f.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        bossGroup.shutdownGracefully().sync();
        workerGroup.shutdownGracefully().sync();
    }
}

Example 47 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project java-in-action by xinghalo.

the class HelloServer method main.

public static void main(String[] args) throws InterruptedException {
    final ByteBuf buffer = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("I'm ok!\r\n", Charset.forName("UTF-8")));
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap bootstrap = new ServerBootstrap();
    try {
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast(new ChannelInboundHandlerAdapter() {

                    @Override
                    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                        System.out.println("Server 接收信息");
                        ByteBuf result = (ByteBuf) msg;
                        System.out.println(ctx.channel().remoteAddress() + " said:" + result.toString(Charset.forName("UTF-8")));
                        result.release();
                        ctx.writeAndFlush(buffer);
                    }
                });
            }
        });
        ChannelFuture f = bootstrap.bind(5555).sync();
        f.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully().sync();
        workerGroup.shutdownGracefully().sync();
    }
}

Example 48 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project java-in-action by xinghalo.

the class NettyNioServerHandlerTest method serve.

public void serve(int port) throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(new InetSocketAddress(port)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {
                ChannelPipeline pipeline = socketChannel.pipeline();
                pipeline.addLast("1", new InboundA());
                pipeline.addLast("2", new OutboundA());
                pipeline.addLast("3", new InboundB());
                pipeline.addLast("4", new OutboundB());
                pipeline.addLast("5", new OutboundC());
                pipeline.addLast("6", new InboundC());
            }
        });
        ChannelFuture f = b.bind().sync();
        f.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully().sync();
        workerGroup.shutdownGracefully().sync();
    }
}

Example 49 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project java-in-action by xinghalo.

the class FixedEchoServer method bind.

private void bind() throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    ServerBootstrap b = new ServerBootstrap();
    try {
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected 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(5555).sync();
        f.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully().sync();
        workerGroup.shutdownGracefully().sync();
    }
}

Example 50 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project BRFS by zhangnianli.

the class NettyHttpServer method start.

@Override
public void start() throws InterruptedException {
    ServerBootstrap serverStart = new ServerBootstrap();
    serverStart.group(bossGroup, workerGroup);
    serverStart.channel(NioServerSocketChannel.class);
    serverStart.childHandler(handlerInitializer);
    // 积压数量
    serverStart.option(ChannelOption.SO_BACKLOG, baklog);
    // 连接超时时间(毫秒)
    serverStart.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, conTimeout);
    // 保持连接
    serverStart.childOption(ChannelOption.SO_KEEPALIVE, true);
    InetSocketAddress address = (ip == null ? new InetSocketAddress(port) : new InetSocketAddress(ip, port));
    channelFuture = serverStart.bind(address).sync();
}