Files
xahaud/include/beast/core/impl/handler_ptr.ipp
Vinnie Falco 8b60ef9db4 Squashed 'src/beast/' changes from 06f74f0..9f10b11
9f10b11 Set version to 1.0.0-b28
195f974 Fix HTTP split parse edge case:
264fd41 Restyle async result constructions
572a0eb Split out and rename test stream classes
95b6646 Tidy up some WebSocket javadocs
f6938d3 Set version to 1.0.0-b27
a6120cd Update copyright dates
c7bfe7d Add documentation building instructions
f6c91ce Tidy up tests and docs:
f03985f Move basic_streambuf to streambuf.hpp (API Change):
b8639a7 Invoke callback on pings and pongs (API Change):

git-subtree-dir: src/beast
git-subtree-split: 9f10b11eff58aeb793b673c8a8cb6e2bee3db621
2017-02-24 12:42:36 -05:00

130 lines
2.7 KiB
C++

//
// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BEAST_IMPL_HANDLER_PTR_HPP
#define BEAST_IMPL_HANDLER_PTR_HPP
#include <beast/core/handler_helpers.hpp>
#include <boost/asio/detail/handler_alloc_helpers.hpp>
#include <boost/assert.hpp>
#include <memory>
namespace beast {
template<class T, class Handler>
template<class DeducedHandler, class... Args>
inline
handler_ptr<T, Handler>::P::
P(DeducedHandler&& h, Args&&... args)
: n(1)
, handler(std::forward<DeducedHandler>(h))
{
t = reinterpret_cast<T*>(
beast_asio_helpers::
allocate(sizeof(T), handler));
try
{
t = new(t) T{handler,
std::forward<Args>(args)...};
}
catch(...)
{
beast_asio_helpers::
deallocate(t, sizeof(T), handler);
throw;
}
}
template<class T, class Handler>
handler_ptr<T, Handler>::
~handler_ptr()
{
if(! p_)
return;
if(--p_->n)
return;
if(p_->t)
{
p_->t->~T();
beast_asio_helpers::
deallocate(p_->t, sizeof(T), p_->handler);
}
delete p_;
}
template<class T, class Handler>
handler_ptr<T, Handler>::
handler_ptr(handler_ptr&& other)
: p_(other.p_)
{
other.p_ = nullptr;
}
template<class T, class Handler>
handler_ptr<T, Handler>::
handler_ptr(handler_ptr const& other)
: p_(other.p_)
{
if(p_)
++p_->n;
}
template<class T, class Handler>
template<class... Args>
handler_ptr<T, Handler>::
handler_ptr(Handler&& handler, Args&&... args)
: p_(new P{std::move(handler),
std::forward<Args>(args)...})
{
static_assert(! std::is_array<T>::value,
"T must not be an array type");
}
template<class T, class Handler>
template<class... Args>
handler_ptr<T, Handler>::
handler_ptr(Handler const& handler, Args&&... args)
: p_(new P{handler, std::forward<Args>(args)...})
{
static_assert(! std::is_array<T>::value,
"T must not be an array type");
}
template<class T, class Handler>
auto
handler_ptr<T, Handler>::
release_handler() ->
handler_type
{
BOOST_ASSERT(p_);
BOOST_ASSERT(p_->t);
p_->t->~T();
beast_asio_helpers::
deallocate(p_->t, sizeof(T), p_->handler);
p_->t = nullptr;
return std::move(p_->handler);
}
template<class T, class Handler>
template<class... Args>
void
handler_ptr<T, Handler>::
invoke(Args&&... args)
{
BOOST_ASSERT(p_);
BOOST_ASSERT(p_->t);
p_->t->~T();
beast_asio_helpers::
deallocate(p_->t, sizeof(T), p_->handler);
p_->t = nullptr;
p_->handler(std::forward<Args>(args)...);
}
} // beast
#endif