ceph/src/boost/boost/beast/websocket/option.hpp

   1 //
   2 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // Official repository: https://github.com/boostorg/beast
   8 //
   9
  10 #ifndef BOOST_BEAST_WEBSOCKET_OPTION_HPP
  11 #define BOOST_BEAST_WEBSOCKET_OPTION_HPP
  12
  13 #include <boost/beast/core/detail/config.hpp>
  14
  15 namespace boost {
  16 namespace beast {
  17 namespace websocket {
  18
  19 /** permessage-deflate extension options.
  20
  21     These settings control the permessage-deflate extension,
  22     which allows messages to be compressed.
  23
  24     @note Objects of this type are used with
  25           @ref beast::websocket::stream::set_option.
  26 */
  27 struct permessage_deflate
  28 {
  29     /// `true` to offer the extension in the server role
  30     bool server_enable = false;
  31
  32     /// `true` to offer the extension in the client role
  33     bool client_enable = false;
  34
  35     /** Maximum server window bits to offer
  36
  37         @note Due to a bug in ZLib, this value must be greater than 8.
  38     */
  39     int server_max_window_bits = 15;
  40
  41     /** Maximum client window bits to offer
  42
  43         @note Due to a bug in ZLib, this value must be greater than 8.
  44     */
  45     int client_max_window_bits = 15;
  46
  47     /// `true` if server_no_context_takeover desired
  48     bool server_no_context_takeover = false;
  49
  50     /// `true` if client_no_context_takeover desired
  51     bool client_no_context_takeover = false;
  52
  53     /// Deflate compression level 0..9
  54     int compLevel = 8;
  55
  56     /// Deflate memory level, 1..9
  57     int memLevel = 4;
  58 };
  59
  60 } // websocket
  61 } // beast
  62 } // boost
  63
  64 #endif