com.feingto.iot.client.bootstrap.CustomClientBootstrap Maven / Gradle / Ivy

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package com.feingto.iot.client.bootstrap;

import com.feingto.iot.client.config.NettyProperties;
import com.feingto.iot.client.handler.CustomClientChannelHandler;
import com.feingto.iot.common.bootstrap.SimpleHandlerLoader;
import com.feingto.iot.common.model.mqtt.MqttConnectOptions;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.timeout.IdleStateHandler;
import io.netty.util.concurrent.DefaultThreadFactory;

import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * 自定义消息客户端启动器
 *
 * @author longfei
 */
public class CustomClientBootstrap extends BaseBootstrap {
    public CustomClientBootstrap(NettyProperties config) {
        super(config);
    }

    public Bootstrap init() {
        group = new NioEventLoopGroup(config.getWorkThread(), new DefaultThreadFactory("CLIENT_"));
        MqttConnectOptions options = config.getMqtt();
        return new Bootstrap()
                .group(group)
                .channel(NioSocketChannel.class)
                .option(ChannelOption.TCP_NODELAY, true)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, options.getTimeout())
                .handler(new ChannelInitializer() {
                    @Override
                    protected void initChannel(SocketChannel ch) {
                        if (options.getKeepAliveInterval() > 0) {
                            ch.pipeline()
                                    .addLast(new IdleStateHandler(0,
                                            options.getKeepAliveInterval(), 0, TimeUnit.SECONDS));
                        }
                        List handlers = SimpleHandlerLoader.getTcpHandlers();
                        handlers.add(new IdleStateHandler(0, 1, 0, TimeUnit.MINUTES));
                        handlers.add(new CustomClientChannelHandler());
                        handlers.forEach(handler -> ch.pipeline().addLast(handler));
                    }
                });
    }
}