52 lines
1.7 KiB
Java
52 lines
1.7 KiB
Java
package com.zhgd.netty.udp;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.channel.Channel;
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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.EventLoopGroup;
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import io.netty.channel.nio.NioEventLoopGroup;
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import io.netty.channel.socket.nio.NioDatagramChannel;
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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.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import javax.annotation.PostConstruct;
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@Component
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@Slf4j
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public class UDPServerApp {
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@Autowired
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private UDPServerHandler udpServerHandler;
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@Value("${udp.port:}")
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private Integer port;
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@PostConstruct
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public void startUdpApp() {
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if (port == null) {
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return;
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}
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log.info("启动udp中……");
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Bootstrap bootstrap = new Bootstrap();
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EventLoopGroup workGroup = new NioEventLoopGroup();
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bootstrap.group(workGroup).channel(NioDatagramChannel.class)
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.option(ChannelOption.SO_BROADCAST, true)
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.handler(new ChannelInitializer<NioDatagramChannel>() {
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@Override
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protected void initChannel(NioDatagramChannel ch) throws Exception {
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ch.pipeline().addLast(udpServerHandler);
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}
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});
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try {
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Channel channel = bootstrap.bind(port).sync().channel();
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//channel.closeFuture().sync().await();
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log.info("启动udp成功，端口：{}", port);
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} catch (Exception e) {
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log.error("udp启动err:", e);
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}
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}
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}
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