/*
    * 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:
    *
    *   https://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.channel.ChannelInitializer;
  import io.netty.channel.ChannelPipeline;
  import io.netty.channel.socket.SocketChannel;
  import io.netty.handler.codec.spdy.SpdyFrameCodec;
  import io.netty.handler.codec.spdy.SpdyHttpDecoder;
  import io.netty.handler.codec.spdy.SpdyHttpEncoder;
  import io.netty.handler.codec.spdy.SpdySessionHandler;
  import io.netty.handler.ssl.SslContext;
  
  import static io.netty.handler.codec.spdy.SpdyVersion.*;
  import static io.netty.util.internal.logging.InternalLogLevel.*;
  
  public class SpdyClientInitializer extends ChannelInitializer<SocketChannel> {
  
      private static final int MAX_SPDY_CONTENT_LENGTH = 1024 * 1024; // 1 MB
  
      private final SslContext sslCtx;
      private final HttpResponseClientHandler httpResponseHandler;
  
      public SpdyClientInitializer(SslContext sslCtx, HttpResponseClientHandler httpResponseHandler) {
          this.sslCtx = sslCtx;
          this.httpResponseHandler = httpResponseHandler;
      }
  
      @Override
      public void initChannel(SocketChannel ch) {
          ChannelPipeline pipeline = ch.pipeline();
          pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
          pipeline.addLast("spdyFrameCodec", new SpdyFrameCodec(SPDY_3_1));
          pipeline.addLast("spdyFrameLogger", new SpdyFrameLogger(INFO));
          pipeline.addLast("spdySessionHandler", new SpdySessionHandler(SPDY_3_1, false));
          pipeline.addLast("spdyHttpEncoder", new SpdyHttpEncoder(SPDY_3_1));
          pipeline.addLast("spdyHttpDecoder", new SpdyHttpDecoder(SPDY_3_1, MAX_SPDY_CONTENT_LENGTH));
          pipeline.addLast("spdyStreamIdHandler", new SpdyClientStreamIdHandler());
          pipeline.addLast("httpHandler", httpResponseHandler);
      }
  }