text: /*
   * nghttp2 - HTTP/2.0 C Library
   *
   * Copyright (c) 2012 Tatsuhiro Tsujikawa
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  #ifndef SHRPX_HTTP_DOWNSTREAM_CONNECTION_H
  #define SHRPX_HTTP_DOWNSTREAM_CONNECTION_H
  
  #include "shrpx.h"
  
  #include <event.h>
  #include <event2/bufferevent.h>
  
  #include "http-parser/http_parser.h"
  
  #include "shrpx_downstream_connection.h"
  #include "shrpx_io_control.h"
  
  namespace shrpx {
  
  class HttpDownstreamConnection : public DownstreamConnection {
  public:
    HttpDownstreamConnection(ClientHandler *client_handler);
    virtual ~HttpDownstreamConnection();
    virtual int attach_downstream(Downstream *downstream);
    virtual void detach_downstream(Downstream *downstream);
  
    virtual int push_request_headers();
    virtual int push_upload_data_chunk(const uint8_t *data, size_t datalen);
    virtual int end_upload_data();
  
    virtual void pause_read(IOCtrlReason reason);
    virtual int resume_read(IOCtrlReason reason);
    virtual void force_resume_read();
  
    virtual bool get_output_buffer_full();
  
    virtual int on_read();
    virtual int on_write();
  
    virtual void on_upstream_change(Upstream *upstream);
    virtual int on_priority_change(int32_t pri)
    {
      return 0;
    }
  
    bufferevent* get_bev();
  private:
    bufferevent *bev_;
    IOControl ioctrl_;
    http_parser response_htp_;
  };
  
  } // namespace shrpx
  
  #endif // SHRPX_HTTP_DOWNSTREAM_CONNECTION_H
  