package com.fastbee.mqtt.server;
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import com.fastbee.server.Server;
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import com.fastbee.common.constant.FastBeeConstant;
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import com.fastbee.mqtt.handler.adapter.MqttMessageAdapter;
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import com.fastbee.server.config.NettyConfig;
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import io.netty.bootstrap.AbstractBootstrap;
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import io.netty.bootstrap.ServerBootstrap;
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import io.netty.channel.ChannelInitializer;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.nio.NioServerSocketChannel;
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import io.netty.channel.socket.nio.NioSocketChannel;
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import io.netty.handler.codec.mqtt.MqttDecoder;
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import io.netty.handler.codec.mqtt.MqttEncoder;
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import io.netty.handler.logging.LogLevel;
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import io.netty.handler.logging.LoggingHandler;
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import io.netty.handler.timeout.IdleStateHandler;
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import io.netty.util.concurrent.DefaultThreadFactory;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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@Component
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@Slf4j
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public class MqttServer extends Server {
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@Autowired
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private MqttMessageAdapter messageAdapter;
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@Override
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protected AbstractBootstrap initialize() {
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bossGroup = new NioEventLoopGroup(1, new DefaultThreadFactory(config.name, Thread.MAX_PRIORITY));
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workerGroup = new NioEventLoopGroup(config.workerCore, new DefaultThreadFactory(config.name, Thread.MAX_PRIORITY));
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if (config.businessCore > 0) {
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businessService = new ThreadPoolExecutor(config.businessCore, config.businessCore, 1L,
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TimeUnit.SECONDS, new LinkedBlockingQueue<>(), new DefaultThreadFactory(config.name, true, Thread.NORM_PRIORITY));
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}
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return new ServerBootstrap()
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.group(bossGroup, workerGroup)
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.channel(NioServerSocketChannel.class)
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.handler(new LoggingHandler(LogLevel.DEBUG))
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.option(ChannelOption.SO_BACKLOG, 511)
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.childOption(ChannelOption.SO_KEEPALIVE, Boolean.TRUE)
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.childHandler(new ChannelInitializer<NioSocketChannel>() {
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@Override
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protected void initChannel(NioSocketChannel channel) {
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//客户端心跳检测机制
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channel.pipeline()
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.addFirst(FastBeeConstant.SERVER.IDLE
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, new IdleStateHandler(config.readerIdleTime, config.writerIdleTime, config.allIdleTime, TimeUnit.SECONDS))
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.addLast(FastBeeConstant.SERVER.DECODER, new MqttDecoder(1024 * 1024 * 2))
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.addLast(FastBeeConstant.SERVER.ENCODER, MqttEncoder.INSTANCE)
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.addLast(messageAdapter);
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}
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});
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}
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}
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