text: /*
   * nghttp2 - HTTP/2 C Library
   *
   * Copyright (c) 2014 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 NGHTTP2_OPTION_H
  #define NGHTTP2_OPTION_H
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif /* HAVE_CONFIG_H */
  
  #include "nghttp2.h"
  
  /**
   * Configuration options
   */
  typedef enum {
      /**
       * This option prevents the library from sending WINDOW_UPDATE for a
       * connection automatically.  If this option is set to nonzero, the
       * library won't send WINDOW_UPDATE for DATA until application calls
       * nghttp2_session_consume() to indicate the amount of consumed
       * DATA.  By default, this option is set to zero.
       */
      NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE = 1,
      /**
       * This option sets the SETTINGS_MAX_CONCURRENT_STREAMS value of
       * remote endpoint as if it is received in SETTINGS frame. Without
       * specifying this option, before the local endpoint receives
       * SETTINGS_MAX_CONCURRENT_STREAMS in SETTINGS frame from remote
       * endpoint, SETTINGS_MAX_CONCURRENT_STREAMS is unlimited. This may
       * cause problem if local endpoint submits lots of requests
       * initially and sending them at once to the remote peer may lead to
       * the rejection of some requests. Specifying this option to the
       * sensible value, say 100, may avoid this kind of issue. This value
       * will be overwritten if the local endpoint receives
       * SETTINGS_MAX_CONCURRENT_STREAMS from the remote endpoint.
       */
      NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS = 1 << 1,
      NGHTTP2_OPT_NO_RECV_CLIENT_MAGIC = 1 << 2,
      NGHTTP2_OPT_NO_HTTP_MESSAGING = 1 << 3,
      NGHTTP2_OPT_MAX_RESERVED_REMOTE_STREAMS = 1 << 4,
      NGHTTP2_OPT_USER_RECV_EXT_TYPES = 1 << 5,
      NGHTTP2_OPT_NO_AUTO_PING_ACK = 1 << 6,
      NGHTTP2_OPT_BUILTIN_RECV_EXT_TYPES = 1 << 7,
      NGHTTP2_OPT_MAX_SEND_HEADER_BLOCK_LENGTH = 1 << 8,
      NGHTTP2_OPT_MAX_DEFLATE_DYNAMIC_TABLE_SIZE = 1 << 9,
      NGHTTP2_OPT_NO_CLOSED_STREAMS = 1 << 10,
  } nghttp2_option_flag;
  
  /**
   * Struct to store option values for nghttp2_session.
   */
  struct nghttp2_option {
      /**
       * NGHTTP2_OPT_MAX_SEND_HEADER_BLOCK_LENGTH
       */
      size_t max_send_header_block_length;
      /**
       * NGHTTP2_OPT_MAX_DEFLATE_DYNAMIC_TABLE_SIZE
       */
      size_t max_deflate_dynamic_table_size;
      /**
       * Bitwise OR of nghttp2_option_flag to determine that which fields
       * are specified.
       */
      uint32_t opt_set_mask;
      /**
       * NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS
       */
      uint32_t peer_max_concurrent_streams;
      /**
       * NGHTTP2_OPT_MAX_RESERVED_REMOTE_STREAMS
       */
      uint32_t max_reserved_remote_streams;
      /**
       * NGHTTP2_OPT_BUILTIN_RECV_EXT_TYPES
       */
      uint32_t builtin_recv_ext_types;
      /**
       * NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE
       */
      int no_auto_window_update;
      /**
       * NGHTTP2_OPT_NO_RECV_CLIENT_MAGIC
       */
      int no_recv_client_magic;
      /**
       * NGHTTP2_OPT_NO_HTTP_MESSAGING
       */
      int no_http_messaging;
      /**
       * NGHTTP2_OPT_NO_AUTO_PING_ACK
       */
      int no_auto_ping_ack;
      /**
       * NGHTTP2_OPT_NO_CLOSED_STREAMS
       */
      int no_closed_streams;
      /**
       * NGHTTP2_OPT_USER_RECV_EXT_TYPES
       */
      uint8_t user_recv_ext_types[32];
  };
  
  #endif /* NGHTTP2_OPTION_H */
  