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Add make_strand

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Vinnie Falco
2019-02-18 13:38:40 -08:00
parent bc436da9c5
commit ac24e58fb3
7 changed files with 115 additions and 1 deletions
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1
CHANGELOG.md
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@ -3,6 +3,7 @@ Version 216:
* Refactor websocket::stream operations
* Add websocket::stream timeouts
* Use suggested timeouts in Websocket examples
* Add make_strand
--------------------------------------------------------------------------------

3
doc/qbk/quickref.xml
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@ -65,12 +65,12 @@
<member><link linkend="beast.ref.boost__beast__beast_close_socket">beast_close_socket</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__bind_front_handler">bind_front_handler</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__bind_handler">bind_handler</link></member>
<member><link linkend="beast.ref.boost__beast__buffer_size">buffer_size</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__close_socket">close_socket</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__connect">connect</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__generic_category">generic_category</link></member>
<member><link linkend="beast.ref.boost__beast__get_lowest_layer">get_lowest_layer</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__iequals">iequals</link></member>
<member><link linkend="beast.ref.boost__beast__make_strand">make_strand</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__to_static_string">to_static_string</link></member>
</simplelist>
</entry>
@ -123,6 +123,7 @@
<simplelist type="vert" columns="1">
<member><link linkend="beast.ref.boost__beast__basic_flat_buffer">basic_flat_buffer</link></member>
<member><link linkend="beast.ref.boost__beast__basic_multi_buffer">basic_multi_buffer</link></member>
<member><link linkend="beast.ref.boost__beast__buffer_size">buffer_size</link>&nbsp;<emphasis role="green">&#128946;</emphasis></member>
<member><link linkend="beast.ref.boost__beast__buffered_read_stream">buffered_read_stream</link></member>
<member><link linkend="beast.ref.boost__beast__buffers_adaptor">buffers_adaptor</link></member>
<member><link linkend="beast.ref.boost__beast__buffers_cat_view">buffers_cat_view</link></member>

1
include/boost/beast/core.hpp
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@ -35,6 +35,7 @@
#include <boost/beast/core/flat_stream.hpp>
#include <boost/beast/core/handler_ptr.hpp>
#include <boost/beast/core/make_printable.hpp>
#include <boost/beast/core/make_strand.hpp>
#include <boost/beast/core/multi_buffer.hpp>
#include <boost/beast/core/ostream.hpp>
#include <boost/beast/core/read_size.hpp>

60
include/boost/beast/core/make_strand.hpp Normal file
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@ -0,0 +1,60 @@
//
// Copyright (c) 2019 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)
//
// Official repository: https://github.com/boostorg/beast
//
#ifndef BOOST_BEAST_MAKE_STRAND_HPP
#define BOOST_BEAST_MAKE_STRAND_HPP
#include <boost/beast/core/detail/config.hpp>
#include <boost/beast/core/stream_traits.hpp>
#include <boost/asio/is_executor.hpp>
#include <boost/asio/strand.hpp>
#include <type_traits>
namespace boost {
namespace beast {
/** Return a strand usable with the specified execution context.
*/
#if BOOST_BEAST_DOXYGEN
template<class ExecutionContext>
__see_below__
#else
template<class ExecutionContext
,class = typename std::enable_if<
has_get_executor<ExecutionContext>::value &&
std::is_convertible<
ExecutionContext&,
net::execution_context&>::value>::type
>
net::strand<executor_type<ExecutionContext>>
#endif
make_strand(ExecutionContext& context)
{
return net::strand<executor_type<
ExecutionContext>>{context.get_executor()};
}
/** Return a strand usable with the specified executor.
*/
template<class Executor
#if ! BOOST_BEAST_DOXYGEN
, class = typename
net::is_executor<Executor>::type
#endif
>
net::strand<Executor>
make_strand(Executor const& ex)
{
return net::strand<Executor>{ex};
}
} // beast
} // boost
#endif

1
test/beast/core/CMakeLists.txt
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@ -55,6 +55,7 @@ add_executable (tests-beast-core
flat_stream.cpp
handler_ptr.cpp
make_printable.cpp
make_strand.cpp
multi_buffer.cpp
ostream.cpp
read_size.cpp

1
test/beast/core/Jamfile
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@ -43,6 +43,7 @@ local SOURCES =
flat_stream.cpp
handler_ptr.cpp
make_printable.cpp
make_strand.cpp
multi_buffer.cpp
ostream.cpp
read_size.cpp

49
test/beast/core/make_strand.cpp Normal file
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@ -0,0 +1,49 @@
//
// Copyright (c) 2016-2017 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)
//
// Official repository: https://github.com/boostorg/beast
//
// Test that header file is self-contained.
#include <boost/beast/core/make_strand.hpp>
#include <boost/beast/_experimental/unit_test/suite.hpp>
#include <boost/asio/executor.hpp>
#include <boost/asio/io_context.hpp>
namespace boost {
namespace beast {
class make_strand_test : public beast::unit_test::suite
{
public:
void
testFunction()
{
net::io_context ioc;
make_strand(ioc);
make_strand(ioc.get_executor());
make_strand(make_strand(ioc));
net::executor ex(ioc.get_executor());
make_strand(ex);
// this *should-not* compile
//make_strand(ex.context());
}
void
run() override
{
testFunction();
pass();
}
};
BEAST_DEFINE_TESTSUITE(beast,core,make_strand);
} // beast
} // boost