SslServer.java

/*
 * Copyright 2012 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 de.jpaw.bonaparte.netty.testServer;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

import java.net.InetSocketAddress;

import com.martiansoftware.jsap.FlaggedOption;
import com.martiansoftware.jsap.JSAP;
import com.martiansoftware.jsap.JSAPResult;
import com.martiansoftware.jsap.Parameter;
import com.martiansoftware.jsap.SimpleJSAP;
import com.martiansoftware.jsap.Switch;

import de.jpaw.bonaparte.netty.BonaparteNettySslPipelineFactory;

/**
 * Implements a simple server for testing purposes, every request will return a response with some values copied from the request, plus some data obtained from the server.
 */
public class SslServer {

    private final int port;
    private final boolean useSsl;
    private final boolean requirePeerAuthentication;

    public SslServer(int port, boolean useSsl, boolean requirePeerAuthentication) {
        this.port = port;
        this.useSsl = useSsl;
        this.requirePeerAuthentication = requirePeerAuthentication;
    }

    public void run() throws Exception {
        // Configure the server.
        ServerBootstrap b = new ServerBootstrap();
        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            b.group(bossGroup, workerGroup)
            .channel(NioServerSocketChannel.class)
            .option(ChannelOption.SO_BACKLOG, 100)
            .localAddress(new InetSocketAddress(port))
            .childOption(ChannelOption.TCP_NODELAY, true)
            .handler(new LoggingHandler(LogLevel.INFO))
            .childHandler(new BonaparteNettySslPipelineFactory(1000, new TestServerHandler(), useSsl, false, requirePeerAuthentication, null));

            // Start the server.
            ChannelFuture f = b.bind().sync();

            // Wait until the server socket is closed.
            f.channel().closeFuture().sync();
        } finally {
            // Shut down all event loops to terminate all threads.
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }

    public static void main(String[] args) throws Exception {
        int port = 8077;
        boolean useSsl = false;
        boolean requirePeerAuthentication = false;

        // TODO: add more options for SSL to configure CRT etc.
        SimpleJSAP commandLineOptions = new SimpleJSAP("NettyServer", "Runs a simple SSL or non-SSL netty server", new Parameter[] {
                new FlaggedOption("port", JSAP.INTEGER_PARSER, "8077", JSAP.NOT_REQUIRED, 'p', "port", "listener port"),
                new Switch("ssl", 's', "ssl", "enforces SSL connection"),
                new Switch("peer", 'p', "peer", "enforces peer certification authentication (in SSL mode)") });
        JSAPResult cmd = commandLineOptions.parse(args);
        if (commandLineOptions.messagePrinted()) {
            System.err.println("(use option --help for usage)");
            System.exit(1);
        }

        port = cmd.getInt("port");
        useSsl = cmd.getBoolean("ssl");
        requirePeerAuthentication = cmd.getBoolean("peer");

        if (args.length > 0) {
            port = Integer.parseInt(args[0]);
        }
        System.out.println("Starting an SSL test server on port " + port);
        new SslServer(port, useSsl, requirePeerAuthentication).run();
    }
}