mTLS: Netty单向/双向TLS Demo完整代码

NettyHelper.java: 主要用是创建EventLoopGroup和判断是否支持Epoll。

package org.example.netty;import io.netty.channel.EventLoopGroup;import io.netty.channel.epoll.Epoll;import io.netty.channel.epoll.EpollEventLoopGroup;import io.netty.channel.epoll.EpollSocketChannel;import io.netty.channel.nio.NioEventLoopGroup;import io.netty.channel.socket.SocketChannel;import io.netty.channel.socket.nio.NioSocketChannel;import io.netty.handler.codec.http2.Http2SecurityUtil;import io.netty.handler.ssl.*;import io.netty.handler.ssl.util.InsecureTrustManagerFactory;import io.netty.handler.ssl.util.SelfSignedCertificate;import io.netty.util.concurrent.DefaultThreadFactory;import javax.net.ssl.SSLException;import java.security.cert.CertificateException;import java.util.concurrent.ThreadFactory;public class NettyHelper {    static final String NETTY_EPOLL_ENABLE_KEY = "netty.epoll.enable";    static final String OS_NAME_KEY = "os.name";    static final String OS_LINUX_PREFIX = "linux";    public static EventLoopGroup eventLoopGroup(int threads, String threadFactoryName) {        ThreadFactory threadFactory = new DefaultThreadFactory(threadFactoryName, true);        return shouldEpoll() ? new EpollEventLoopGroup(threads, threadFactory) :                new NioEventLoopGroup(threads, threadFactory);    }    public static boolean shouldEpoll() {        if (Boolean.parseBoolean(System.getProperty(NETTY_EPOLL_ENABLE_KEY, "false"))) {            String osName = System.getProperty(OS_NAME_KEY);            return osName.toLowerCase().contains(OS_LINUX_PREFIX) && Epoll.isAvailable();        }        return false;    }    public static Class