netty.mmb.http2.Server.Http2Server.java Source code

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Here is the source code for netty.mmb.http2.Server.Http2Server.java

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/*
 * Copyright 2014 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 netty.mmb.http2.Server;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
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.codec.http2.Http2OrHttpChooser.SelectedProtocol;
import io.netty.handler.codec.http2.Http2SecurityUtil;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.netty.handler.ssl.ApplicationProtocolConfig;
import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;
import io.netty.handler.ssl.OpenSsl;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslProvider;
import io.netty.handler.ssl.SupportedCipherSuiteFilter;
import io.netty.handler.ssl.util.SelfSignedCertificate;

/**
 * HTTP/2HiI'm mumubin,client
 */
public final class Http2Server {
    //    SSL
    static final boolean SSL = System.getProperty("ssl") != null;
    //SSL84438080
    static final int PORT = Integer.parseInt(System.getProperty("port", SSL ? "8443" : "8080"));

    public static void main(String[] args) throws Exception {
        // SSL
        final SslContext sslCtx;
        if (SSL) {
            SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContext.newServerContext(provider, ssc.certificate(), ssc.privateKey(), null,
                    Http2SecurityUtil.CIPHERS,
                    /* NOTE: the following filter may not include all ciphers required by the HTTP/2 specification
                     * Please refer to the HTTP/2 specification for cipher requirements. */
                    SupportedCipherSuiteFilter.INSTANCE,
                    new ApplicationProtocolConfig(Protocol.ALPN, SelectorFailureBehavior.CHOOSE_MY_LAST_PROTOCOL,
                            SelectedListenerFailureBehavior.CHOOSE_MY_LAST_PROTOCOL,
                            SelectedProtocol.HTTP_2.protocolName(), SelectedProtocol.HTTP_1_1.protocolName()),
                    0, 0);
        } else {
            sslCtx = null;
        }
        // EventLoopGroup
        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap();
            //            
            b.option(ChannelOption.SO_BACKLOG, 1024);
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    //                    log
                    .handler(new LoggingHandler(LogLevel.INFO))
                    //                    Http2Server
                    .childHandler(new Http2ServerInitializer(sslCtx));

            //            
            Channel ch = b.bind(PORT).sync().channel();

            System.err.println("Open your HTTP/2-enabled web browser and navigate to " + (SSL ? "https" : "http")
                    + "://127.0.0.1:" + PORT + '/');

            ch.closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }
}