94 lines
3.3 KiB
Java
94 lines
3.3 KiB
Java
package com.cowr.common.plugin;
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import com.jfinal.log.Log;
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import com.jfinal.plugin.IPlugin;
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import io.netty.bootstrap.ServerBootstrap;
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import io.netty.channel.*;
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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.LineBasedFrameDecoder;
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import io.netty.handler.codec.string.StringDecoder;
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import io.netty.handler.codec.string.StringEncoder;
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import io.netty.handler.timeout.IdleStateHandler;
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import io.netty.util.CharsetUtil;
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import java.util.HashMap;
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import java.util.Map;
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public class NettyServerPlugin implements IPlugin {
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private static Log log = Log.getLog(NettyServerPlugin.class);
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private int port;
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private Map<Channel, Integer> map = new HashMap<>();
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private ServerBootstrap serverBootstrap;
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private EventLoopGroup workerGroup;
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private EventLoopGroup bossGroup;
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public NettyServerPlugin(int port) {
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this.port = port;
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}
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@Override
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public boolean start() {
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bossGroup = new NioEventLoopGroup();
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workerGroup = new NioEventLoopGroup();
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try {
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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) throws Exception {
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ch.pipeline().addLast(
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new IdleStateHandler(5, 5, 5),
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new StringEncoder(CharsetUtil.UTF_8),
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new LineBasedFrameDecoder(4096),
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new StringDecoder(CharsetUtil.UTF_8),
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new MsgHandler()
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);
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}
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})
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.option(ChannelOption.SO_BACKLOG, 128)
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.childOption(ChannelOption.SO_KEEPALIVE, true);
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// Bind and start to accept incoming connections.
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ChannelFuture f = serverBootstrap.bind(port);
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// f.addListener((ChannelFutureListener) future -> {
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// if (!future.isSuccess()) {
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// map.remove(f.channel());
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// }
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// });
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f.sync();
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f.channel().closeFuture().sync();
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return true;
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} catch (InterruptedException e) {
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log.error(e.getMessage(), e);
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return false;
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} finally {
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workerGroup.shutdownGracefully();
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bossGroup.shutdownGracefully();
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}
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}
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@Override
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public boolean stop() {
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if (serverBootstrap != null) {
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workerGroup.shutdownGracefully();
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bossGroup.shutdownGracefully();
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serverBootstrap = null;
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}
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return true;
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}
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private static class MsgHandler extends SimpleChannelInboundHandler<String> {
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@Override
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protected void channelRead0(ChannelHandlerContext channelHandlerContext, String s) throws Exception {
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}
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}
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}
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