ceph/src/boost/boost/beast/websocket/impl/ssl.ipp

   1 //
   2 // Copyright (c) 2016-2017 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_IMPL_SSL_IPP_INCLUDED
  11 #define BOOST_BEAST_WEBSOCKET_IMPL_SSL_IPP_INCLUDED
  12
  13 #include <utility>
  14
  15 namespace boost {
  16 namespace beast {
  17 namespace websocket {
  18
  19 /*
  20
  21 See
  22 http://stackoverflow.com/questions/32046034/what-is-the-proper-way-to-securely-disconnect-an-asio-ssl-socket/32054476#32054476
  23
  24 Behavior of ssl::stream regarding close_
  25
  26     If the remote host calls async_shutdown then the
  27     local host's async_read will complete with eof.
  28
  29     If both hosts call async_shutdown then the calls
  30     to async_shutdown will complete with eof.
  31
  32 */
  33
  34 template<class AsyncStream>
  35 void
  36 teardown(
  37     role_type,
  38     boost::asio::ssl::stream<AsyncStream>& stream,
  39     error_code& ec)
  40 {
  41     stream.shutdown(ec);
  42 }
  43
  44 template<
  45     class AsyncStream,
  46     class TeardownHandler>
  47 void
  48 async_teardown(
  49     role_type,
  50     boost::asio::ssl::stream<AsyncStream>& stream,
  51     TeardownHandler&& handler)
  52 {
  53     stream.async_shutdown(
  54         std::forward<TeardownHandler>(handler));
  55 }
  56
  57 } // websocket
  58 } // beast
  59 } // boost
  60
  61 #endif