Update bind_handler test to use standard executor form

This commit is contained in:
Christopher Kohlhoff
2020-06-25 08:22:24 +10:00
committed by Richard Hodges
parent ca95101a88
commit 107b01ad24
4 changed files with 124 additions and 2 deletions

View File

@@ -14,6 +14,7 @@
#include <boost/beast/core/buffer_traits.hpp>
#include <boost/beast/core/detail/service_base.hpp>
#include <boost/beast/core/detail/is_invocable.hpp>
#include <boost/asio/any_io_executor.hpp>
#include <boost/asio/dispatch.hpp>
#include <boost/asio/post.hpp>
#include <mutex>
@@ -74,7 +75,11 @@ class stream::read_op : public stream::read_op_base
Handler h_;
boost::weak_ptr<state> wp_;
Buffers b_;
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::any_io_executor wg2_;
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::executor_work_guard<ex2_type> wg2_;
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
lambda(lambda&&) = default;
lambda(lambda const&) = default;
@@ -87,8 +92,15 @@ class stream::read_op : public stream::read_op_base
: h_(std::forward<Handler_>(h))
, wp_(s)
, b_(b)
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg2_(net::prefer(
net::get_associated_executor(
h_, s->ioc.get_executor()),
net::execution::outstanding_work.tracked))
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg2_(net::get_associated_executor(
h_, s->ioc.get_executor()))
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
{
}
@@ -124,15 +136,26 @@ class stream::read_op : public stream::read_op_base
}
}
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::dispatch(wg2_,
beast::bind_front_handler(std::move(h_),
ec, bytes_transferred));
wg2_ = net::any_io_executor(); // probably unnecessary
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::dispatch(wg2_.get_executor(),
beast::bind_front_handler(std::move(h_),
ec, bytes_transferred));
wg2_.reset();
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
}
};
lambda fn_;
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::any_io_executor wg1_;
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::executor_work_guard<ex1_type> wg1_;
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
public:
template<class Handler_>
@@ -141,16 +164,26 @@ public:
boost::shared_ptr<state> const& s,
Buffers const& b)
: fn_(std::forward<Handler_>(h), s, b)
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg1_(net::prefer(s->ioc.get_executor(),
net::execution::outstanding_work.tracked))
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg1_(s->ioc.get_executor())
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
{
}
void
operator()(error_code ec) override
{
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::post(wg1_, beast::bind_front_handler(std::move(fn_), ec));
wg1_ = net::any_io_executor(); // probably unnecessary
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::post(wg1_.get_executor(),
beast::bind_front_handler(std::move(fn_), ec));
wg1_.reset();
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
}
};

View File

@@ -359,7 +359,11 @@ teardown(
stream
connect(stream& to)
{
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
stream from{net::query(to.get_executor(), net::execution::context)};
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
stream from{to.get_executor().context()};
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
from.connect(to);
return from;
}

View File

@@ -63,14 +63,26 @@ class saved_handler::impl final : public base
};
ebo_pair v_;
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
std::decay_t<decltype(net::prefer(
std::declval<net::associated_executor_t<Handler>>(),
net::execution::outstanding_work.tracked))> wg2_;
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::executor_work_guard<
net::associated_executor_t<Handler>> wg2_;
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
public:
template<class Handler_>
impl(alloc_type const& a, Handler_&& h)
: v_(a, std::forward<Handler_>(h))
#if defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg2_(net::prefer(
net::get_associated_executor(v_.h),
net::execution::outstanding_work.tracked))
#else // defined(BOOST_ASIO_NO_TS_EXECUTORS)
, wg2_(net::get_associated_executor(v_.h))
#endif // defined(BOOST_ASIO_NO_TS_EXECUTORS)
{
}

View File

@@ -80,7 +80,18 @@ public:
class test_executor
{
bind_handler_test& s_;
net::io_context::executor_type ex_;
net::any_io_executor ex_;
// Storing the blocking property as a member is not strictly necessary,
// as we could simply forward the calls
// require(ex_, blocking.possibly)
// and
// require(ex_, blocking.never)
// to the underlying executor, and then
// query(ex_, blocking)
// when required. This forwarding approach is used here for the
// outstanding_work property.
net::execution::blocking_t blocking_;
public:
test_executor(
@@ -91,6 +102,7 @@ public:
net::io_context& ioc)
: s_(s)
, ex_(ioc.get_executor())
, blocking_(net::execution::blocking.possibly)
{
}
@@ -106,7 +118,67 @@ public:
return ex_ != other.ex_;
}
net::io_context&
net::execution_context& query(net::execution::context_t c) const noexcept
{
return net::query(ex_, c);
}
net::execution::blocking_t query(net::execution::blocking_t) const noexcept
{
return blocking_;
}
net::execution::outstanding_work_t query(net::execution::outstanding_work_t w) const noexcept
{
return net::query(ex_, w);
}
test_executor require(net::execution::blocking_t::possibly_t b) const
{
test_executor new_ex(*this);
new_ex.blocking_ = b;
return new_ex;
}
test_executor require(net::execution::blocking_t::never_t b) const
{
test_executor new_ex(*this);
new_ex.blocking_ = b;
return new_ex;
}
test_executor prefer(net::execution::outstanding_work_t::untracked_t w) const
{
test_executor new_ex(*this);
new_ex.ex_ = net::prefer(ex_, w);
return new_ex;
}
test_executor prefer(net::execution::outstanding_work_t::tracked_t w) const
{
test_executor new_ex(*this);
new_ex.ex_ = net::prefer(ex_, w);
return new_ex;
}
template<class F>
void execute(F&& f) const
{
if (blocking_ == net::execution::blocking.possibly)
{
s_.on_invoke();
net::execution::execute(ex_, std::forward<F>(f));
}
else
{
// shouldn't be called since the enclosing
// networking wrapper only uses dispatch
BEAST_FAIL();
}
}
#if !defined(BOOST_ASIO_NO_TS_EXECUTORS)
net::execution_context&
context() const noexcept
{
return ex_.context();
@@ -144,6 +216,7 @@ public:
// networking wrapper only uses dispatch
BEAST_FAIL();
}
#endif // !defined(BOOST_ASIO_NO_TS_EXECUTORS)
};
class test_cb