82 lines
3.2 KiB
Java
82 lines
3.2 KiB
Java
package com.ktg.print.server;
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import com.ktg.print.protocol.PrintMessageProto;
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import io.netty.bootstrap.ServerBootstrap;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelInitializer;
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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.SocketChannel;
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import io.netty.channel.socket.nio.NioServerSocketChannel;
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import io.netty.handler.codec.protobuf.ProtobufDecoder;
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import io.netty.handler.codec.protobuf.ProtobufEncoder;
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import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
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import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;
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import org.springframework.beans.factory.DisposableBean;
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import org.springframework.stereotype.Component;
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import javax.annotation.PostConstruct;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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@Component
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public class PrintServer implements DisposableBean {
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EventLoopGroup bossGroup = null;
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EventLoopGroup workerGroup = null;
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int port = 9016;
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@PostConstruct
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public void nettyServerInit() {
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ExecutorService executorService = Executors.newSingleThreadExecutor();
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executorService.submit(new service());
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}
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@Override
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public void destroy() throws Exception {
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if (bossGroup!=null) {
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bossGroup.shutdownGracefully();
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}
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if (workerGroup!=null) {
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workerGroup.shutdownGracefully();
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}
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}
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public class service implements Runnable {
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@Override
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public void run() {
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bossGroup = new NioEventLoopGroup(1);
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workerGroup = new NioEventLoopGroup();
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try {
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ServerBootstrap serverBootstrap = new ServerBootstrap();
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serverBootstrap.group(bossGroup, workerGroup)
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.channel(NioServerSocketChannel.class)
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.childHandler(new ChannelInitializer<SocketChannel>() {
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@Override
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public void initChannel(SocketChannel ch) {
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ch.pipeline().addLast(new ProtobufVarint32FrameDecoder());
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ch.pipeline().addLast(new ProtobufDecoder(PrintMessageProto.Printer.getDefaultInstance()));
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ch.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());
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ch.pipeline().addLast(new ProtobufEncoder());
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ch.pipeline().addLast(new PrintClientInfoMessageHandler());
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ch.pipeline().addLast(new PrintServerDefaultHandler());
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}
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});
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ChannelFuture channelFuture = serverBootstrap.bind(port).sync();
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System.out.println("==========Netty服务端启动成功========");
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channelFuture.channel().closeFuture().sync();
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} catch (InterruptedException e) {
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e.printStackTrace();
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if (bossGroup!=null) {
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bossGroup.shutdownGracefully();
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}
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if (workerGroup!=null) {
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workerGroup.shutdownGracefully();
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}
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}
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}
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}
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}
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