init commit

riku

2022-06-17 3a5c011d9509d3bc0367921f463676c81ff2e374

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package cn.flightfeather.supervision.infrastructure.service.Impl;
 
import cn.flightfeather.supervision.infrastructure.service.AbstractNettyServer;
import cn.flightfeather.supervision.infrastructure.service.NettyConfig;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import javax.annotation.PreDestroy;
import java.util.Map;
import java.util.Set;
 
@Service("tcpServer")
public class NettyTCPServer extends AbstractNettyServer {
 
    private static final Logger LOG = LoggerFactory.getLogger(NettyTCPServer.class);
 
    private ServerBootstrap serverBootstrap;
 
    @Autowired
    public NettyTCPServer(NettyConfig nettyConfig,
                          ChannelInitializer<? extends Channel> channelInitializer) {
        super(nettyConfig, channelInitializer);
    }
 
    @Override
    public void startServer() throws Exception {
        try {
            serverBootstrap = new ServerBootstrap();
            Map<ChannelOption<?>, Object> channelOptions = nettyConfig.getChannelOptions();
            if (null != channelOptions) {
                Set<ChannelOption<?>> keySet = channelOptions.keySet();
                // 获取configuration配置到channelOption
                for (ChannelOption option : keySet) {
                    serverBootstrap.option(option, channelOptions.get(option));
                }
            }
            // reactor多线程模型，配置bossGroup和workGroup
            // bossGroup和workGroup使用spring容器管理
            serverBootstrap.group(getBossGroup(), getWorkerGroup())
                    .channel(NioServerSocketChannel.class)
                    .childHandler(getChannelInitializer());
            // 绑定端口，启动并监听
            Channel serverChannel = serverBootstrap.bind(nettyConfig.getSocketAddress()).sync()
                    .channel();
            ALL_CHANNELS.add(serverChannel);
        } catch (Exception e) {
            LOG.error("TCP Server start error {}, going to shut down", e);
            super.stopServer();
            throw e;
        }
    }
 
    @Override
    @PreDestroy
    public void stopServer() throws Exception {
        super.stopServer();
    }
 
    @Override
    public TransmissionProtocol getTransmissionProtocol() {
        return TRANSMISSION_PROTOCOL.TCP;
    }
 
    // 配置自己的initializer
    @Override
    public void setChannelInitializer(ChannelInitializer<? extends Channel> initializer) {
        this.channelInitializer = initializer;
        serverBootstrap.childHandler(initializer);
    }
 
    @Override
    public String toString() {
        return "NettyTCPServer [socketAddress=" + nettyConfig.getSocketAddress()
                + ", portNumber=" + nettyConfig.getPortNumber() + "]";
    }
 
}