update boost

This commit is contained in:
2023-11-24 12:56:13 -06:00
parent cfc99971af
commit 19d727037a
9260 changed files with 849256 additions and 299957 deletions

View File

@@ -2,7 +2,7 @@
// impl/read_at.hpp
// ~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff 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)
@@ -16,11 +16,10 @@
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <algorithm>
#include <boost/asio/associated_allocator.hpp>
#include <boost/asio/associated_executor.hpp>
#include <boost/asio/associator.hpp>
#include <boost/asio/buffer.hpp>
#include <boost/asio/completion_condition.hpp>
#include <boost/asio/detail/array_fwd.hpp>
#include <boost/asio/detail/base_from_cancellation_state.hpp>
#include <boost/asio/detail/base_from_completion_cond.hpp>
#include <boost/asio/detail/bind_handler.hpp>
#include <boost/asio/detail/consuming_buffers.hpp>
@@ -28,6 +27,7 @@
#include <boost/asio/detail/handler_alloc_helpers.hpp>
#include <boost/asio/detail/handler_cont_helpers.hpp>
#include <boost/asio/detail/handler_invoke_helpers.hpp>
#include <boost/asio/detail/handler_tracking.hpp>
#include <boost/asio/detail/handler_type_requirements.hpp>
#include <boost/asio/detail/non_const_lvalue.hpp>
#include <boost/asio/detail/throw_error.hpp>
@@ -61,7 +61,7 @@ namespace detail
else
break;
}
return tmp.total_consumed();;
return tmp.total_consumed();
}
} // namespace detail
@@ -176,14 +176,16 @@ namespace detail
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
class read_at_op
: detail::base_from_completion_cond<CompletionCondition>
: public base_from_cancellation_state<ReadHandler>,
base_from_completion_cond<CompletionCondition>
{
public:
read_at_op(AsyncRandomAccessReadDevice& device,
uint64_t offset, const MutableBufferSequence& buffers,
CompletionCondition& completion_condition, ReadHandler& handler)
: detail::base_from_completion_cond<
CompletionCondition>(completion_condition),
: base_from_cancellation_state<ReadHandler>(
handler, enable_partial_cancellation()),
base_from_completion_cond<CompletionCondition>(completion_condition),
device_(device),
offset_(offset),
buffers_(buffers),
@@ -194,7 +196,8 @@ namespace detail
#if defined(BOOST_ASIO_HAS_MOVE)
read_at_op(const read_at_op& other)
: detail::base_from_completion_cond<CompletionCondition>(other),
: base_from_cancellation_state<ReadHandler>(other),
base_from_completion_cond<CompletionCondition>(other),
device_(other.device_),
offset_(other.offset_),
buffers_(other.buffers_),
@@ -204,8 +207,11 @@ namespace detail
}
read_at_op(read_at_op&& other)
: detail::base_from_completion_cond<CompletionCondition>(
BOOST_ASIO_MOVE_CAST(detail::base_from_completion_cond<
: base_from_cancellation_state<ReadHandler>(
BOOST_ASIO_MOVE_CAST(base_from_cancellation_state<
ReadHandler>)(other)),
base_from_completion_cond<CompletionCondition>(
BOOST_ASIO_MOVE_CAST(base_from_completion_cond<
CompletionCondition>)(other)),
device_(other.device_),
offset_(other.offset_),
@@ -216,7 +222,7 @@ namespace detail
}
#endif // defined(BOOST_ASIO_HAS_MOVE)
void operator()(const boost::system::error_code& ec,
void operator()(boost::system::error_code ec,
std::size_t bytes_transferred, int start = 0)
{
std::size_t max_size;
@@ -224,19 +230,31 @@ namespace detail
{
case 1:
max_size = this->check_for_completion(ec, buffers_.total_consumed());
do
for (;;)
{
device_.async_read_some_at(
offset_ + buffers_.total_consumed(), buffers_.prepare(max_size),
BOOST_ASIO_MOVE_CAST(read_at_op)(*this));
{
BOOST_ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_read_at"));
device_.async_read_some_at(
offset_ + buffers_.total_consumed(), buffers_.prepare(max_size),
BOOST_ASIO_MOVE_CAST(read_at_op)(*this));
}
return; default:
buffers_.consume(bytes_transferred);
if ((!ec && bytes_transferred == 0) || buffers_.empty())
break;
max_size = this->check_for_completion(ec, buffers_.total_consumed());
} while (max_size > 0);
if (max_size == 0)
break;
if (this->cancelled() != cancellation_type::none)
{
ec = boost::asio::error::operation_aborted;
break;
}
}
handler_(ec, buffers_.total_consumed());
BOOST_ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(
static_cast<const boost::system::error_code&>(ec),
static_cast<const std::size_t&>(buffers_.total_consumed()));
}
}
@@ -254,23 +272,33 @@ namespace detail
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
inline void* asio_handler_allocate(std::size_t size,
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>* this_handler)
{
#if defined(BOOST_ASIO_NO_DEPRECATED)
boost_asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(BOOST_ASIO_NO_DEPRECATED)
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename AsyncRandomAccessReadDevice,
@@ -288,29 +316,37 @@ namespace detail
template <typename Function, typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
inline void asio_handler_invoke(Function& function,
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
inline void start_read_at_buffer_sequence_op(AsyncRandomAccessReadDevice& d,
inline void start_read_at_op(AsyncRandomAccessReadDevice& d,
uint64_t offset, const MutableBufferSequence& buffers,
const MutableBufferIterator&, CompletionCondition& completion_condition,
ReadHandler& handler)
@@ -321,13 +357,26 @@ namespace detail
boost::system::error_code(), 0, 1);
}
struct initiate_async_read_at_buffer_sequence
template <typename AsyncRandomAccessReadDevice>
class initiate_async_read_at
{
template <typename ReadHandler, typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename CompletionCondition>
public:
typedef typename AsyncRandomAccessReadDevice::executor_type executor_type;
explicit initiate_async_read_at(AsyncRandomAccessReadDevice& device)
: device_(device)
{
}
executor_type get_executor() const BOOST_ASIO_NOEXCEPT
{
return device_.get_executor();
}
template <typename ReadHandler, typename MutableBufferSequence,
typename CompletionCondition>
void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
AsyncRandomAccessReadDevice* d, uint64_t offset,
const MutableBufferSequence& buffers,
uint64_t offset, const MutableBufferSequence& buffers,
BOOST_ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
{
// If you get an error on the following line it means that your handler
@@ -336,84 +385,93 @@ namespace detail
non_const_lvalue<ReadHandler> handler2(handler);
non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
start_read_at_buffer_sequence_op(*d, offset, buffers,
start_read_at_op(device_, offset, buffers,
boost::asio::buffer_sequence_begin(buffers),
completion_cond2.value, handler2.value);
}
private:
AsyncRandomAccessReadDevice& device_;
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler, typename Allocator>
struct associated_allocator<
template <template <typename, typename> class Associator,
typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
typename MutableBufferIterator, typename CompletionCondition,
typename ReadHandler, typename DefaultCandidate>
struct associator<Associator,
detail::read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>,
Allocator>
MutableBufferIterator, CompletionCondition, ReadHandler>,
DefaultCandidate>
: Associator<ReadHandler, DefaultCandidate>
{
typedef typename associated_allocator<ReadHandler, Allocator>::type type;
static type get(
const detail::read_at_op<AsyncRandomAccessReadDevice,
MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>& h,
const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
static typename Associator<ReadHandler, DefaultCandidate>::type
get(const detail::read_at_op<AsyncRandomAccessReadDevice,
MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>& h) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
};
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler, typename Executor>
struct associated_executor<
detail::read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>,
Executor>
{
typedef typename associated_executor<ReadHandler, Executor>::type type;
static type get(
const detail::read_at_op<AsyncRandomAccessReadDevice,
MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>& h,
const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
static BOOST_ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<ReadHandler, DefaultCandidate>::type)
get(const detail::read_at_op<AsyncRandomAccessReadDevice,
MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>& h,
const DefaultCandidate& c) BOOST_ASIO_NOEXCEPT
BOOST_ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c)))
{
return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
typename CompletionCondition, typename ReadHandler>
inline BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
template <typename AsyncRandomAccessReadDevice,
typename MutableBufferSequence, typename CompletionCondition,
BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
std::size_t)) ReadToken>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(ReadToken,
void (boost::system::error_code, std::size_t))
async_read_at(AsyncRandomAccessReadDevice& d,
uint64_t offset, const MutableBufferSequence& buffers,
CompletionCondition completion_condition,
BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
BOOST_ASIO_MOVE_ARG(ReadToken) token)
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
declval<detail::initiate_async_read_at<AsyncRandomAccessReadDevice> >(),
token, offset, buffers,
BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition))))
{
return async_initiate<ReadHandler,
return async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
detail::initiate_async_read_at_buffer_sequence(), handler, &d, offset,
buffers, BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
detail::initiate_async_read_at<AsyncRandomAccessReadDevice>(d),
token, offset, buffers,
BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
typename ReadHandler>
inline BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
std::size_t)) ReadToken>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(ReadToken,
void (boost::system::error_code, std::size_t))
async_read_at(AsyncRandomAccessReadDevice& d,
uint64_t offset, const MutableBufferSequence& buffers,
BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
BOOST_ASIO_MOVE_ARG(ReadToken) token)
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
declval<detail::initiate_async_read_at<AsyncRandomAccessReadDevice> >(),
token, offset, buffers, transfer_all())))
{
return async_initiate<ReadHandler,
return async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
detail::initiate_async_read_at_buffer_sequence(),
handler, &d, offset, buffers, transfer_all());
detail::initiate_async_read_at<AsyncRandomAccessReadDevice>(d),
token, offset, buffers, transfer_all());
}
#if !defined(BOOST_ASIO_NO_EXTENSIONS)
@@ -424,14 +482,16 @@ namespace detail
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename CompletionCondition, typename ReadHandler>
class read_at_streambuf_op
: detail::base_from_completion_cond<CompletionCondition>
: public base_from_cancellation_state<ReadHandler>,
base_from_completion_cond<CompletionCondition>
{
public:
read_at_streambuf_op(AsyncRandomAccessReadDevice& device,
uint64_t offset, basic_streambuf<Allocator>& streambuf,
CompletionCondition& completion_condition, ReadHandler& handler)
: detail::base_from_completion_cond<
CompletionCondition>(completion_condition),
: base_from_cancellation_state<ReadHandler>(
handler, enable_partial_cancellation()),
base_from_completion_cond<CompletionCondition>(completion_condition),
device_(device),
offset_(offset),
streambuf_(streambuf),
@@ -443,7 +503,8 @@ namespace detail
#if defined(BOOST_ASIO_HAS_MOVE)
read_at_streambuf_op(const read_at_streambuf_op& other)
: detail::base_from_completion_cond<CompletionCondition>(other),
: base_from_cancellation_state<ReadHandler>(other),
base_from_completion_cond<CompletionCondition>(other),
device_(other.device_),
offset_(other.offset_),
streambuf_(other.streambuf_),
@@ -454,8 +515,11 @@ namespace detail
}
read_at_streambuf_op(read_at_streambuf_op&& other)
: detail::base_from_completion_cond<CompletionCondition>(
BOOST_ASIO_MOVE_CAST(detail::base_from_completion_cond<
: base_from_cancellation_state<ReadHandler>(
BOOST_ASIO_MOVE_CAST(base_from_cancellation_state<
ReadHandler>)(other)),
base_from_completion_cond<CompletionCondition>(
BOOST_ASIO_MOVE_CAST(base_from_completion_cond<
CompletionCondition>)(other)),
device_(other.device_),
offset_(other.offset_),
@@ -467,7 +531,7 @@ namespace detail
}
#endif // defined(BOOST_ASIO_HAS_MOVE)
void operator()(const boost::system::error_code& ec,
void operator()(boost::system::error_code ec,
std::size_t bytes_transferred, int start = 0)
{
std::size_t max_size, bytes_available;
@@ -478,9 +542,12 @@ namespace detail
bytes_available = read_size_helper(streambuf_, max_size);
for (;;)
{
device_.async_read_some_at(offset_ + total_transferred_,
streambuf_.prepare(bytes_available),
BOOST_ASIO_MOVE_CAST(read_at_streambuf_op)(*this));
{
BOOST_ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_read_at"));
device_.async_read_some_at(offset_ + total_transferred_,
streambuf_.prepare(bytes_available),
BOOST_ASIO_MOVE_CAST(read_at_streambuf_op)(*this));
}
return; default:
total_transferred_ += bytes_transferred;
streambuf_.commit(bytes_transferred);
@@ -488,9 +555,16 @@ namespace detail
bytes_available = read_size_helper(streambuf_, max_size);
if ((!ec && bytes_transferred == 0) || bytes_available == 0)
break;
if (this->cancelled() != cancellation_type::none)
{
ec = boost::asio::error::operation_aborted;
break;
}
}
handler_(ec, static_cast<const std::size_t&>(total_transferred_));
BOOST_ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(
static_cast<const boost::system::error_code&>(ec),
static_cast<const std::size_t&>(total_transferred_));
}
}
@@ -505,22 +579,32 @@ namespace detail
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename CompletionCondition, typename ReadHandler>
inline void* asio_handler_allocate(std::size_t size,
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
CompletionCondition, ReadHandler>* this_handler)
{
#if defined(BOOST_ASIO_NO_DEPRECATED)
boost_asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(BOOST_ASIO_NO_DEPRECATED)
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename CompletionCondition, typename ReadHandler>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename AsyncRandomAccessReadDevice, typename Allocator,
@@ -536,31 +620,53 @@ namespace detail
template <typename Function, typename AsyncRandomAccessReadDevice,
typename Allocator, typename CompletionCondition, typename ReadHandler>
inline void asio_handler_invoke(Function& function,
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncRandomAccessReadDevice,
typename Allocator, typename CompletionCondition, typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
CompletionCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
}
struct initiate_async_read_at_streambuf
template <typename AsyncRandomAccessReadDevice>
class initiate_async_read_at_streambuf
{
template <typename ReadHandler, typename AsyncRandomAccessReadDevice,
public:
typedef typename AsyncRandomAccessReadDevice::executor_type executor_type;
explicit initiate_async_read_at_streambuf(
AsyncRandomAccessReadDevice& device)
: device_(device)
{
}
executor_type get_executor() const BOOST_ASIO_NOEXCEPT
{
return device_.get_executor();
}
template <typename ReadHandler,
typename Allocator, typename CompletionCondition>
void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
AsyncRandomAccessReadDevice* d, uint64_t offset,
basic_streambuf<Allocator>* b,
uint64_t offset, basic_streambuf<Allocator>* b,
BOOST_ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
{
// If you get an error on the following line it means that your handler
@@ -571,79 +677,92 @@ namespace detail
non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
CompletionCondition, typename decay<ReadHandler>::type>(
*d, offset, *b, completion_cond2.value, handler2.value)(
device_, offset, *b, completion_cond2.value, handler2.value)(
boost::system::error_code(), 0, 1);
}
private:
AsyncRandomAccessReadDevice& device_;
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename CompletionCondition, typename ReadHandler, typename Allocator1>
struct associated_allocator<
detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Allocator, CompletionCondition, ReadHandler>,
Allocator1>
{
typedef typename associated_allocator<ReadHandler, Allocator1>::type type;
static type get(
const detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Allocator, CompletionCondition, ReadHandler>& h,
const Allocator1& a = Allocator1()) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator1>::get(h.handler_, a);
}
};
template <typename AsyncRandomAccessReadDevice, typename Executor,
typename CompletionCondition, typename ReadHandler, typename Executor1>
struct associated_executor<
template <template <typename, typename> class Associator,
typename AsyncRandomAccessReadDevice, typename Executor,
typename CompletionCondition, typename ReadHandler,
typename DefaultCandidate>
struct associator<Associator,
detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Executor, CompletionCondition, ReadHandler>,
Executor1>
DefaultCandidate>
: Associator<ReadHandler, DefaultCandidate>
{
typedef typename associated_executor<ReadHandler, Executor1>::type type;
static type get(
const detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Executor, CompletionCondition, ReadHandler>& h,
const Executor1& ex = Executor1()) BOOST_ASIO_NOEXCEPT
static typename Associator<ReadHandler, DefaultCandidate>::type
get(const detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Executor, CompletionCondition, ReadHandler>& h) BOOST_ASIO_NOEXCEPT
{
return associated_executor<ReadHandler, Executor1>::get(h.handler_, ex);
return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
static BOOST_ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<ReadHandler, DefaultCandidate>::type)
get(const detail::read_at_streambuf_op<AsyncRandomAccessReadDevice,
Executor, CompletionCondition, ReadHandler>& h,
const DefaultCandidate& c) BOOST_ASIO_NOEXCEPT
BOOST_ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c)))
{
return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename CompletionCondition, typename ReadHandler>
inline BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
template <typename AsyncRandomAccessReadDevice,
typename Allocator, typename CompletionCondition,
BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
std::size_t)) ReadToken>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(ReadToken,
void (boost::system::error_code, std::size_t))
async_read_at(AsyncRandomAccessReadDevice& d,
uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition,
BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
BOOST_ASIO_MOVE_ARG(ReadToken) token)
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
declval<detail::initiate_async_read_at_streambuf<
AsyncRandomAccessReadDevice> >(),
token, offset, &b,
BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition))))
{
return async_initiate<ReadHandler,
return async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
detail::initiate_async_read_at_streambuf(), handler, &d, offset,
&b, BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
detail::initiate_async_read_at_streambuf<AsyncRandomAccessReadDevice>(d),
token, offset, &b,
BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
template <typename AsyncRandomAccessReadDevice, typename Allocator,
typename ReadHandler>
inline BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
std::size_t)) ReadToken>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(ReadToken,
void (boost::system::error_code, std::size_t))
async_read_at(AsyncRandomAccessReadDevice& d,
uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
BOOST_ASIO_MOVE_ARG(ReadToken) token)
BOOST_ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
declval<detail::initiate_async_read_at_streambuf<
AsyncRandomAccessReadDevice> >(),
token, offset, &b, transfer_all())))
{
return async_initiate<ReadHandler,
return async_initiate<ReadToken,
void (boost::system::error_code, std::size_t)>(
detail::initiate_async_read_at_streambuf(),
handler, &d, offset, &b, transfer_all());
detail::initiate_async_read_at_streambuf<AsyncRandomAccessReadDevice>(d),
token, offset, &b, transfer_all());
}
#endif // !defined(BOOST_ASIO_NO_IOSTREAM)