Java example source code file (RenegotiateTest.java)

This example Java source code file (RenegotiateTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

atomicreference, channelhandlercontext, channelinboundhandleradapter, channelinitializer, countdownlatch, exception, object, override, renegotiatetest, selfsignedcertificate, serverbootstrap, sslcontext, sslhandshakecompletionevent, threading, threads, throwable

The RenegotiateTest.java Java example source code

/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.ssl;

import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.local.LocalAddress;
import io.netty.channel.local.LocalChannel;
import io.netty.channel.local.LocalEventLoopGroup;
import io.netty.channel.local.LocalServerChannel;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.handler.ssl.util.SelfSignedCertificate;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.FutureListener;
import org.junit.Test;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;

public abstract class RenegotiateTest {

    @Test(timeout = 5000)
    public void testRenegotiateServer() throws Throwable {
        final AtomicReference<Throwable> error = new AtomicReference();
        final CountDownLatch latch = new CountDownLatch(2);
        SelfSignedCertificate cert = new SelfSignedCertificate();
        EventLoopGroup group = new LocalEventLoopGroup();
        try {
            final SslContext context = SslContextBuilder.forServer(cert.key(), cert.cert())
                    .sslProvider(serverSslProvider()).build();
            ServerBootstrap sb = new ServerBootstrap();
            sb.group(group).channel(LocalServerChannel.class)
                    .childHandler(new ChannelInitializer<Channel>() {
                        @Override
                        protected void initChannel(Channel ch) throws Exception {
                            ch.pipeline().addLast(context.newHandler(ch.alloc()));
                            ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                                private boolean renegotiate;

                                @Override
                                public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                                    ReferenceCountUtil.release(msg);
                                }

                                @Override
                                public void userEventTriggered(
                                        final ChannelHandlerContext ctx, Object evt) throws Exception {
                                    if (!renegotiate && evt instanceof SslHandshakeCompletionEvent) {
                                        SslHandshakeCompletionEvent event = (SslHandshakeCompletionEvent) evt;

                                        if (event.isSuccess()) {
                                            final SslHandler handler = ctx.pipeline().get(SslHandler.class);

                                            renegotiate = true;
                                            handler.renegotiate().addListener(new FutureListener<Channel>() {
                                                @Override
                                                public void operationComplete(Future<Channel> future) throws Exception {
                                                    if (!future.isSuccess()) {
                                                        error.compareAndSet(null, future.cause());
                                                        latch.countDown();
                                                        ctx.close();
                                                    }
                                                }
                                            });
                                        } else {
                                            error.compareAndSet(null, event.cause());
                                            latch.countDown();

                                            ctx.close();
                                        }
                                    }
                                }
                            });
                        }
                    });
            Channel channel = sb.bind(new LocalAddress("test")).syncUninterruptibly().channel();

            final SslContext clientContext = SslContextBuilder.forClient()
                    .trustManager(InsecureTrustManagerFactory.INSTANCE).sslProvider(SslProvider.JDK).build();

            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(group).channel(LocalChannel.class)
                    .handler(new ChannelInitializer<Channel>() {
                        @Override
                        protected void initChannel(Channel ch) throws Exception {
                            ch.pipeline().addLast(clientContext.newHandler(ch.alloc()));
                            ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                                @Override
                                public void userEventTriggered(
                                        ChannelHandlerContext ctx, Object evt) throws Exception {
                                    if (evt instanceof SslHandshakeCompletionEvent) {
                                        SslHandshakeCompletionEvent event = (SslHandshakeCompletionEvent) evt;
                                        if (!event.isSuccess()) {
                                            error.compareAndSet(null, event.cause());
                                            ctx.close();
                                        }
                                        latch.countDown();
                                    }
                                }
                            });
                        }
                    });

            Channel clientChannel = bootstrap.connect(channel.localAddress()).syncUninterruptibly().channel();
            latch.await();
            clientChannel.close().syncUninterruptibly();
            channel.close().syncUninterruptibly();
            Throwable cause = error.get();
            if (cause != null) {
                throw cause;
            }
        } finally  {
            group.shutdownGracefully();
        }
    }

    protected abstract SslProvider serverSslProvider();
}