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

Example 36 with Bootstrap

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

the class TimeClient method connect.

public void connect(int port, String host) throws InterruptedException {
    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
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new TimeClientHandler());
            }
        });
        ChannelFuture f = b.connect(host, port);
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }
}

Example 37 with Bootstrap

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

the class EchoClient method connect.

public void connect(String host, int port) throws InterruptedException {
    EventLoopGroup group = new NioEventLoopGroup();
    Bootstrap b = new Bootstrap();
    try {
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true).handler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected 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 {
        group.shutdownGracefully().sync();
    }
}

Example 38 with Bootstrap

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

the class SubReqClient method connect.

public void connect(int port, String host) throws Exception {
    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
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new ObjectDecoder(1024, ClassResolvers.cacheDisabled(this.getClass().getClassLoader())));
                ch.pipeline().addLast(new ObjectEncoder());
                ch.pipeline().addLast(new SubReqClientHandler());
            }
        });
        ChannelFuture f = b.connect(host, port).sync();
        f.channel().closeFuture().sync();
    } finally {
        group.shutdownGracefully().sync();
    }
}

Example 39 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project rskj by rsksmart.

the class PeerClient method connectAsync.

public ChannelFuture connectAsync(String host, int port, String remoteId, boolean discoveryMode) {
    ethereumListener.trace("Connecting to: " + host + ":" + port);
    EthereumChannelInitializer ethereumChannelInitializer = ethereumChannelInitializerFactory.newInstance(remoteId);
    ethereumChannelInitializer.setPeerDiscoveryMode(discoveryMode);
    Bootstrap b = new Bootstrap();
    b.group(workerGroup);
    b.channel(NioSocketChannel.class);
    b.option(ChannelOption.SO_KEEPALIVE, true);
    b.option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, DefaultMessageSizeEstimator.DEFAULT);
    b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, config.peerConnectionTimeout());
    b.remoteAddress(host, port);
    b.handler(ethereumChannelInitializer);
    // Start the client.
    return b.connect();
}

Example 40 with Bootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.Bootstrap in project swift by luastar.

the class RpcClient method send.

public RpcResponse send(RpcRequest request) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        // 创建并初始化 Netty 客户端 Bootstrap 对象
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(group);
        bootstrap.channel(NioSocketChannel.class);
        bootstrap.handler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel channel) throws Exception {
                ChannelPipeline pipeline = channel.pipeline();
                // 编码 RPC 请求
                pipeline.addLast(new RpcEncoder(RpcRequest.class, rpcSerialize));
                pipeline.addLast(new LengthFieldBasedFrameDecoder(65536, 0, 4, 0, 0));
                // 解码 RPC 响应
                pipeline.addLast(new RpcDecoder(RpcResponse.class, rpcSerialize));
                // 处理 RPC 响应
                pipeline.addLast(RpcClient.this);
            }
        });
        bootstrap.option(ChannelOption.TCP_NODELAY, true);
        // 连接 RPC 服务器
        ChannelFuture future = bootstrap.connect(host, port).sync();
        // 写入 RPC 请求数据并关闭连接
        Channel channel = future.channel();
        channel.writeAndFlush(request).sync();
        channel.closeFuture().sync();
        // 返回 RPC 响应对象
        return response;
    } finally {
        group.shutdownGracefully();
    }
}