106 lines
4.8 KiB
Java
106 lines
4.8 KiB
Java
/*
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* Copyright 2014 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.example.spdy.client;
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import io.netty.bootstrap.Bootstrap;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.MultithreadEventLoopGroup;
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import io.netty.channel.nio.NioHandler;
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import io.netty.channel.socket.nio.NioSocketChannel;
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import io.netty.handler.codec.http.DefaultFullHttpRequest;
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import io.netty.handler.codec.http.HttpHeaderNames;
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import io.netty.handler.codec.http.HttpHeaderValues;
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import io.netty.handler.codec.http.HttpMethod;
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import io.netty.handler.codec.http.HttpRequest;
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import io.netty.handler.codec.http.HttpVersion;
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import io.netty.handler.ssl.ApplicationProtocolConfig;
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import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol;
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import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior;
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import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior;
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import io.netty.handler.ssl.ApplicationProtocolNames;
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import io.netty.handler.ssl.SslContext;
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import io.netty.handler.ssl.SslContextBuilder;
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import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
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/**
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* An SPDY client that allows you to send HTTP GET to a SPDY server.
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* <p>
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* This class must be run with the JVM parameter: {@code java -Xbootclasspath/p:<path_to_npn_boot_jar> ...}. The
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* "path_to_npn_boot_jar" is the path on the file system for the NPN Boot Jar file which can be downloaded from Maven at
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* coordinates org.mortbay.jetty.npn:npn-boot. Different versions applies to different OpenJDK versions. See
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* <a href="http://www.eclipse.org/jetty/documentation/current/npn-chapter.html">Jetty docs</a> for more information.
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* <p>
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* You may also use the {@code run-example.sh} script to start the client from the command line:
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* <pre>
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* ./run-example.sh spdy-client
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* </pre>
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*/
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public final class SpdyClient {
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static final String HOST = System.getProperty("host", "127.0.0.1");
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static final int PORT = Integer.parseInt(System.getProperty("port", "8443"));
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public static void main(String[] args) throws Exception {
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// Configure SSL.
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final SslContext sslCtx = SslContextBuilder.forClient()
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.trustManager(InsecureTrustManagerFactory.INSTANCE)
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.applicationProtocolConfig(new ApplicationProtocolConfig(
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Protocol.NPN,
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// NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
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SelectorFailureBehavior.NO_ADVERTISE,
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// ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
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SelectedListenerFailureBehavior.ACCEPT,
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ApplicationProtocolNames.SPDY_3_1,
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ApplicationProtocolNames.HTTP_1_1))
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.build();
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HttpResponseClientHandler httpResponseHandler = new HttpResponseClientHandler();
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EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
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try {
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Bootstrap b = new Bootstrap();
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b.group(workerGroup);
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b.channel(NioSocketChannel.class);
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b.option(ChannelOption.SO_KEEPALIVE, true);
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b.remoteAddress(HOST, PORT);
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b.handler(new SpdyClientInitializer(sslCtx, httpResponseHandler));
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// Start the client.
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Channel channel = b.connect().syncUninterruptibly().channel();
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System.out.println("Connected to " + HOST + ':' + PORT);
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// Create a GET request.
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HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "");
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request.headers().set(HttpHeaderNames.HOST, HOST);
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request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
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// Send the GET request.
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channel.writeAndFlush(request).sync();
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// Waits for the complete HTTP response
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httpResponseHandler.queue().take().sync();
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System.out.println("Finished SPDY HTTP GET");
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// Wait until the connection is closed.
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channel.close().syncUninterruptibly();
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} finally {
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workerGroup.shutdownGracefully();
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}
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}
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}
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