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1   /*
2    * Copyright 2014 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.example.spdy.client;
17  
18  import io.netty.channel.ChannelInitializer;
19  import io.netty.channel.ChannelPipeline;
20  import io.netty.channel.socket.SocketChannel;
21  import io.netty.handler.codec.spdy.SpdyFrameCodec;
22  import io.netty.handler.codec.spdy.SpdyHttpDecoder;
23  import io.netty.handler.codec.spdy.SpdyHttpEncoder;
24  import io.netty.handler.codec.spdy.SpdySessionHandler;
25  import io.netty.handler.ssl.SslContext;
26  
27  import static io.netty.handler.codec.spdy.SpdyVersion.*;
28  import static io.netty.util.internal.logging.InternalLogLevel.*;
29  
30  public class SpdyClientInitializer extends ChannelInitializer<SocketChannel> {
31  
32      private static final int MAX_SPDY_CONTENT_LENGTH = 1024 * 1024; // 1 MB
33  
34      private final SslContext sslCtx;
35      private final HttpResponseClientHandler httpResponseHandler;
36  
37      public SpdyClientInitializer(SslContext sslCtx, HttpResponseClientHandler httpResponseHandler) {
38          this.sslCtx = sslCtx;
39          this.httpResponseHandler = httpResponseHandler;
40      }
41  
42      @Override
43      public void initChannel(SocketChannel ch) {
44          ChannelPipeline pipeline = ch.pipeline();
45          pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
46          pipeline.addLast("spdyFrameCodec", new SpdyFrameCodec(SPDY_3_1));
47          pipeline.addLast("spdyFrameLogger", new SpdyFrameLogger(INFO));
48          pipeline.addLast("spdySessionHandler", new SpdySessionHandler(SPDY_3_1, false));
49          pipeline.addLast("spdyHttpEncoder", new SpdyHttpEncoder(SPDY_3_1));
50          pipeline.addLast("spdyHttpDecoder", new SpdyHttpDecoder(SPDY_3_1, MAX_SPDY_CONTENT_LENGTH));
51          pipeline.addLast("spdyStreamIdHandler", new SpdyClientStreamIdHandler());
52          pipeline.addLast("httpHandler", httpResponseHandler);
53      }
54  }