/* * 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 io.netty.example.spdy.client; import io.netty.bootstrap.Bootstrap; import io.netty.channel.Channel; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.MultithreadEventLoopGroup; import io.netty.channel.nio.NioHandler; import io.netty.channel.socket.nio.NioSocketChannel; import io.netty.handler.codec.http.DefaultFullHttpRequest; import io.netty.handler.codec.http.HttpHeaderNames; import io.netty.handler.codec.http.HttpHeaderValues; import io.netty.handler.codec.http.HttpMethod; import io.netty.handler.codec.http.HttpRequest; import io.netty.handler.codec.http.HttpVersion; 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.ApplicationProtocolNames; import io.netty.handler.ssl.SslContext; import io.netty.handler.ssl.SslContextBuilder; import io.netty.handler.ssl.util.InsecureTrustManagerFactory; /** * An SPDY client that allows you to send HTTP GET to a SPDY server. *
* This class must be run with the JVM parameter: {@code java -Xbootclasspath/p:
* You may also use the {@code run-example.sh} script to start the client from the command line:
*
* ./run-example.sh spdy-client
*
*/
public final class SpdyClient {
static final String HOST = System.getProperty("host", "127.0.0.1");
static final int PORT = Integer.parseInt(System.getProperty("port", "8443"));
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx = SslContextBuilder.forClient()
.trustManager(InsecureTrustManagerFactory.INSTANCE)
.applicationProtocolConfig(new ApplicationProtocolConfig(
Protocol.NPN,
// NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
SelectorFailureBehavior.NO_ADVERTISE,
// ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
SelectedListenerFailureBehavior.ACCEPT,
ApplicationProtocolNames.SPDY_3_1,
ApplicationProtocolNames.HTTP_1_1))
.build();
HttpResponseClientHandler httpResponseHandler = new HttpResponseClientHandler();
EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
try {
Bootstrap b = new Bootstrap();
b.group(workerGroup);
b.channel(NioSocketChannel.class);
b.option(ChannelOption.SO_KEEPALIVE, true);
b.remoteAddress(HOST, PORT);
b.handler(new SpdyClientInitializer(sslCtx, httpResponseHandler));
// Start the client.
Channel channel = b.connect().syncUninterruptibly().channel();
System.out.println("Connected to " + HOST + ':' + PORT);
// Create a GET request.
HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "");
request.headers().set(HttpHeaderNames.HOST, HOST);
request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
// Send the GET request.
channel.writeAndFlush(request).sync();
// Waits for the complete HTTP response
httpResponseHandler.queue().take().sync();
System.out.println("Finished SPDY HTTP GET");
// Wait until the connection is closed.
channel.close().syncUninterruptibly();
} finally {
workerGroup.shutdownGracefully();
}
}
}