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2024-04-03 09:00:16 +08:00
//
// impl/write.hpp
// ~~~~~~~~~~~~~~
//
// 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)
//
#ifndef ASIO_IMPL_WRITE_HPP
#define ASIO_IMPL_WRITE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/associator.hpp"
#include "asio/buffer.hpp"
#include "asio/detail/array_fwd.hpp"
#include "asio/detail/base_from_cancellation_state.hpp"
#include "asio/detail/base_from_completion_cond.hpp"
#include "asio/detail/bind_handler.hpp"
#include "asio/detail/consuming_buffers.hpp"
#include "asio/detail/dependent_type.hpp"
#include "asio/detail/handler_alloc_helpers.hpp"
#include "asio/detail/handler_cont_helpers.hpp"
#include "asio/detail/handler_invoke_helpers.hpp"
#include "asio/detail/handler_tracking.hpp"
#include "asio/detail/handler_type_requirements.hpp"
#include "asio/detail/non_const_lvalue.hpp"
#include "asio/detail/throw_error.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail
{
template <typename SyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition>
std::size_t write(SyncWriteStream& s,
const ConstBufferSequence& buffers, const ConstBufferIterator&,
CompletionCondition completion_condition, asio::error_code& ec)
{
ec = asio::error_code();
asio::detail::consuming_buffers<const_buffer,
ConstBufferSequence, ConstBufferIterator> tmp(buffers);
while (!tmp.empty())
{
if (std::size_t max_size = detail::adapt_completion_condition_result(
completion_condition(ec, tmp.total_consumed())))
tmp.consume(s.write_some(tmp.prepare(max_size), ec));
else
break;
}
return tmp.total_consumed();
}
} // namespace detail
template <typename SyncWriteStream, typename ConstBufferSequence,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
CompletionCondition completion_condition, asio::error_code& ec,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
{
return detail::write(s, buffers,
asio::buffer_sequence_begin(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}
template <typename SyncWriteStream, typename ConstBufferSequence>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s, buffers, transfer_all(), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
template <typename SyncWriteStream, typename ConstBufferSequence>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
asio::error_code& ec,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
{
return write(s, buffers, transfer_all(), ec);
}
template <typename SyncWriteStream, typename ConstBufferSequence,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
CompletionCondition completion_condition,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s, buffers,
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
template <typename SyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition>
std::size_t write(SyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition, asio::error_code& ec,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
{
typename decay<DynamicBuffer_v1>::type b(
ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
std::size_t bytes_transferred = write(s, b.data(),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
b.consume(bytes_transferred);
return bytes_transferred;
}
template <typename SyncWriteStream, typename DynamicBuffer_v1>
inline std::size_t write(SyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s,
ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all(), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
template <typename SyncWriteStream, typename DynamicBuffer_v1>
inline std::size_t write(SyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
asio::error_code& ec,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
{
return write(s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all(), ec);
}
template <typename SyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s,
ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
#if !defined(ASIO_NO_EXTENSIONS)
#if !defined(ASIO_NO_IOSTREAM)
template <typename SyncWriteStream, typename Allocator,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition, asio::error_code& ec)
{
return write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}
template <typename SyncWriteStream, typename Allocator>
inline std::size_t write(SyncWriteStream& s,
asio::basic_streambuf<Allocator>& b)
{
return write(s, basic_streambuf_ref<Allocator>(b));
}
template <typename SyncWriteStream, typename Allocator>
inline std::size_t write(SyncWriteStream& s,
asio::basic_streambuf<Allocator>& b,
asio::error_code& ec)
{
return write(s, basic_streambuf_ref<Allocator>(b), ec);
}
template <typename SyncWriteStream, typename Allocator,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition)
{
return write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
#endif // !defined(ASIO_NO_IOSTREAM)
#endif // !defined(ASIO_NO_EXTENSIONS)
#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
template <typename SyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
CompletionCondition completion_condition, asio::error_code& ec,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
{
std::size_t bytes_transferred = write(s, buffers.data(0, buffers.size()),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
buffers.consume(bytes_transferred);
return bytes_transferred;
}
template <typename SyncWriteStream, typename DynamicBuffer_v2>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s,
ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
transfer_all(), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
template <typename SyncWriteStream, typename DynamicBuffer_v2>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
asio::error_code& ec,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
{
return write(s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
transfer_all(), ec);
}
template <typename SyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
CompletionCondition completion_condition,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
{
asio::error_code ec;
std::size_t bytes_transferred = write(s,
ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
asio::detail::throw_error(ec, "write");
return bytes_transferred;
}
namespace detail
{
template <typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler>
class write_op
: public base_from_cancellation_state<WriteHandler>,
base_from_completion_cond<CompletionCondition>
{
public:
write_op(AsyncWriteStream& stream, const ConstBufferSequence& buffers,
CompletionCondition& completion_condition, WriteHandler& handler)
: base_from_cancellation_state<WriteHandler>(
handler, enable_partial_cancellation()),
base_from_completion_cond<CompletionCondition>(completion_condition),
stream_(stream),
buffers_(buffers),
start_(0),
handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
{
}
#if defined(ASIO_HAS_MOVE)
write_op(const write_op& other)
: base_from_cancellation_state<WriteHandler>(other),
base_from_completion_cond<CompletionCondition>(other),
stream_(other.stream_),
buffers_(other.buffers_),
start_(other.start_),
handler_(other.handler_)
{
}
write_op(write_op&& other)
: base_from_cancellation_state<WriteHandler>(
ASIO_MOVE_CAST(base_from_cancellation_state<
WriteHandler>)(other)),
base_from_completion_cond<CompletionCondition>(
ASIO_MOVE_CAST(base_from_completion_cond<
CompletionCondition>)(other)),
stream_(other.stream_),
buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
start_(other.start_),
handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()(asio::error_code ec,
std::size_t bytes_transferred, int start = 0)
{
std::size_t max_size;
switch (start_ = start)
{
case 1:
max_size = this->check_for_completion(ec, buffers_.total_consumed());
for (;;)
{
{
ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_write"));
stream_.async_write_some(buffers_.prepare(max_size),
ASIO_MOVE_CAST(write_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());
if (max_size == 0)
break;
if (this->cancelled() != cancellation_type::none)
{
ec = error::operation_aborted;
break;
}
}
ASIO_MOVE_OR_LVALUE(WriteHandler)(handler_)(
static_cast<const asio::error_code&>(ec),
static_cast<const std::size_t&>(buffers_.total_consumed()));
}
}
//private:
typedef asio::detail::consuming_buffers<const_buffer,
ConstBufferSequence, ConstBufferIterator> buffers_type;
AsyncWriteStream& stream_;
buffers_type buffers_;
int start_;
WriteHandler handler_;
};
template <typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
CompletionCondition, WriteHandler>* this_handler)
{
#if defined(ASIO_NO_DEPRECATED)
asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler>
inline bool asio_handler_is_continuation(
write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
CompletionCondition, WriteHandler>* this_handler)
{
return this_handler->start_ == 0 ? true
: asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename AsyncWriteStream,
typename ConstBufferSequence, typename ConstBufferIterator,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncWriteStream,
typename ConstBufferSequence, typename ConstBufferIterator,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler>
inline void start_write_op(AsyncWriteStream& stream,
const ConstBufferSequence& buffers, const ConstBufferIterator&,
CompletionCondition& completion_condition, WriteHandler& handler)
{
detail::write_op<AsyncWriteStream, ConstBufferSequence,
ConstBufferIterator, CompletionCondition, WriteHandler>(
stream, buffers, completion_condition, handler)(
asio::error_code(), 0, 1);
}
template <typename AsyncWriteStream>
class initiate_async_write
{
public:
typedef typename AsyncWriteStream::executor_type executor_type;
explicit initiate_async_write(AsyncWriteStream& stream)
: stream_(stream)
{
}
executor_type get_executor() const ASIO_NOEXCEPT
{
return stream_.get_executor();
}
template <typename WriteHandler, typename ConstBufferSequence,
typename CompletionCondition>
void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
const ConstBufferSequence& buffers,
ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
{
// If you get an error on the following line it means that your handler
// does not meet the documented type requirements for a WriteHandler.
ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
non_const_lvalue<WriteHandler> handler2(handler);
non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
start_write_op(stream_, buffers,
asio::buffer_sequence_begin(buffers),
completion_cond2.value, handler2.value);
}
private:
AsyncWriteStream& stream_;
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <template <typename, typename> class Associator,
typename AsyncWriteStream, typename ConstBufferSequence,
typename ConstBufferIterator, typename CompletionCondition,
typename WriteHandler, typename DefaultCandidate>
struct associator<Associator,
detail::write_op<AsyncWriteStream, ConstBufferSequence,
ConstBufferIterator, CompletionCondition, WriteHandler>,
DefaultCandidate>
: Associator<WriteHandler, DefaultCandidate>
{
static typename Associator<WriteHandler, DefaultCandidate>::type
get(const detail::write_op<AsyncWriteStream, ConstBufferSequence,
ConstBufferIterator, CompletionCondition, WriteHandler>& h)
ASIO_NOEXCEPT
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_);
}
static ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<WriteHandler, DefaultCandidate>::type)
get(const detail::write_op<AsyncWriteStream, ConstBufferSequence,
ConstBufferIterator, CompletionCondition, WriteHandler>& h,
const DefaultCandidate& c) ASIO_NOEXCEPT
ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c)))
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncWriteStream,
typename ConstBufferSequence, typename CompletionCondition,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write<AsyncWriteStream> >(),
token, buffers,
ASIO_MOVE_CAST(CompletionCondition)(completion_condition))))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write<AsyncWriteStream>(s),
token, buffers,
ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
template <typename AsyncWriteStream, typename ConstBufferSequence,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_const_buffer_sequence<ConstBufferSequence>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write<AsyncWriteStream> >(),
token, buffers, transfer_all())))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write<AsyncWriteStream>(s),
token, buffers, transfer_all());
}
#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
namespace detail
{
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename WriteHandler>
class write_dynbuf_v1_op
{
public:
template <typename BufferSequence>
write_dynbuf_v1_op(AsyncWriteStream& stream,
ASIO_MOVE_ARG(BufferSequence) buffers,
CompletionCondition& completion_condition, WriteHandler& handler)
: stream_(stream),
buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
completion_condition_(
ASIO_MOVE_CAST(CompletionCondition)(completion_condition)),
handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
{
}
#if defined(ASIO_HAS_MOVE)
write_dynbuf_v1_op(const write_dynbuf_v1_op& other)
: stream_(other.stream_),
buffers_(other.buffers_),
completion_condition_(other.completion_condition_),
handler_(other.handler_)
{
}
write_dynbuf_v1_op(write_dynbuf_v1_op&& other)
: stream_(other.stream_),
buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
completion_condition_(
ASIO_MOVE_CAST(CompletionCondition)(
other.completion_condition_)),
handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()(const asio::error_code& ec,
std::size_t bytes_transferred, int start = 0)
{
switch (start)
{
case 1:
async_write(stream_, buffers_.data(),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
ASIO_MOVE_CAST(write_dynbuf_v1_op)(*this));
return; default:
buffers_.consume(bytes_transferred);
ASIO_MOVE_OR_LVALUE(WriteHandler)(handler_)(ec,
static_cast<const std::size_t&>(bytes_transferred));
}
}
//private:
AsyncWriteStream& stream_;
DynamicBuffer_v1 buffers_;
CompletionCondition completion_condition_;
WriteHandler handler_;
};
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>* this_handler)
{
#if defined(ASIO_NO_DEPRECATED)
asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename WriteHandler>
inline bool asio_handler_is_continuation(
write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename AsyncWriteStream,
typename DynamicBuffer_v1, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncWriteStream,
typename DynamicBuffer_v1, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream>
class initiate_async_write_dynbuf_v1
{
public:
typedef typename AsyncWriteStream::executor_type executor_type;
explicit initiate_async_write_dynbuf_v1(AsyncWriteStream& stream)
: stream_(stream)
{
}
executor_type get_executor() const ASIO_NOEXCEPT
{
return stream_.get_executor();
}
template <typename WriteHandler, typename DynamicBuffer_v1,
typename CompletionCondition>
void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
{
// If you get an error on the following line it means that your handler
// does not meet the documented type requirements for a WriteHandler.
ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
non_const_lvalue<WriteHandler> handler2(handler);
non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
write_dynbuf_v1_op<AsyncWriteStream,
typename decay<DynamicBuffer_v1>::type,
CompletionCondition, typename decay<WriteHandler>::type>(
stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
completion_cond2.value, handler2.value)(
asio::error_code(), 0, 1);
}
private:
AsyncWriteStream& stream_;
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <template <typename, typename> class Associator,
typename AsyncWriteStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename WriteHandler,
typename DefaultCandidate>
struct associator<Associator,
detail::write_dynbuf_v1_op<AsyncWriteStream,
DynamicBuffer_v1, CompletionCondition, WriteHandler>,
DefaultCandidate>
: Associator<WriteHandler, DefaultCandidate>
{
static typename Associator<WriteHandler, DefaultCandidate>::type
get(const detail::write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
CompletionCondition, WriteHandler>& h) ASIO_NOEXCEPT
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_);
}
static ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<WriteHandler, DefaultCandidate>::type)
get(const detail::write_dynbuf_v1_op<AsyncWriteStream,
DynamicBuffer_v1, CompletionCondition, WriteHandler>& h,
const DefaultCandidate& c) ASIO_NOEXCEPT
ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c)))
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncWriteStream, typename DynamicBuffer_v1,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write_dynbuf_v1<AsyncWriteStream> >(),
token, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all())))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write_dynbuf_v1<AsyncWriteStream>(s),
token, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all());
}
template <typename AsyncWriteStream,
typename DynamicBuffer_v1, typename CompletionCondition,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s,
ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
>::type,
typename constraint<
!is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write_dynbuf_v1<AsyncWriteStream> >(),
token, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition))))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write_dynbuf_v1<AsyncWriteStream>(s),
token, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
#if !defined(ASIO_NO_EXTENSIONS)
#if !defined(ASIO_NO_IOSTREAM)
template <typename AsyncWriteStream, typename Allocator,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s,
asio::basic_streambuf<Allocator>& b,
ASIO_MOVE_ARG(WriteToken) token)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(WriteToken)(token))))
{
return async_write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(WriteToken)(token));
}
template <typename AsyncWriteStream,
typename Allocator, typename CompletionCondition,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s,
asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(WriteToken) token)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
ASIO_MOVE_CAST(WriteToken)(token))))
{
return async_write(s, basic_streambuf_ref<Allocator>(b),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
ASIO_MOVE_CAST(WriteToken)(token));
}
#endif // !defined(ASIO_NO_IOSTREAM)
#endif // !defined(ASIO_NO_EXTENSIONS)
#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
namespace detail
{
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition, typename WriteHandler>
class write_dynbuf_v2_op
{
public:
template <typename BufferSequence>
write_dynbuf_v2_op(AsyncWriteStream& stream,
ASIO_MOVE_ARG(BufferSequence) buffers,
CompletionCondition& completion_condition, WriteHandler& handler)
: stream_(stream),
buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
completion_condition_(
ASIO_MOVE_CAST(CompletionCondition)(completion_condition)),
handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
{
}
#if defined(ASIO_HAS_MOVE)
write_dynbuf_v2_op(const write_dynbuf_v2_op& other)
: stream_(other.stream_),
buffers_(other.buffers_),
completion_condition_(other.completion_condition_),
handler_(other.handler_)
{
}
write_dynbuf_v2_op(write_dynbuf_v2_op&& other)
: stream_(other.stream_),
buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
completion_condition_(
ASIO_MOVE_CAST(CompletionCondition)(
other.completion_condition_)),
handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
void operator()(const asio::error_code& ec,
std::size_t bytes_transferred, int start = 0)
{
switch (start)
{
case 1:
async_write(stream_, buffers_.data(0, buffers_.size()),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
ASIO_MOVE_CAST(write_dynbuf_v2_op)(*this));
return; default:
buffers_.consume(bytes_transferred);
ASIO_MOVE_OR_LVALUE(WriteHandler)(handler_)(ec,
static_cast<const std::size_t&>(bytes_transferred));
}
}
//private:
AsyncWriteStream& stream_;
DynamicBuffer_v2 buffers_;
CompletionCondition completion_condition_;
WriteHandler handler_;
};
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_allocate_is_deprecated
asio_handler_allocate(std::size_t size,
write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>* this_handler)
{
#if defined(ASIO_NO_DEPRECATED)
asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
return asio_handler_allocate_is_no_longer_used();
#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition, typename WriteHandler>
inline asio_handler_deallocate_is_deprecated
asio_handler_deallocate(void* pointer, std::size_t size,
write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_deallocate_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition, typename WriteHandler>
inline bool asio_handler_is_continuation(
write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>* this_handler)
{
return asio_handler_cont_helpers::is_continuation(
this_handler->handler_);
}
template <typename Function, typename AsyncWriteStream,
typename DynamicBuffer_v2, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(Function& function,
write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncWriteStream,
typename DynamicBuffer_v2, typename CompletionCondition,
typename WriteHandler>
inline asio_handler_invoke_is_deprecated
asio_handler_invoke(const Function& function,
write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
#if defined(ASIO_NO_DEPRECATED)
return asio_handler_invoke_is_no_longer_used();
#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncWriteStream>
class initiate_async_write_dynbuf_v2
{
public:
typedef typename AsyncWriteStream::executor_type executor_type;
explicit initiate_async_write_dynbuf_v2(AsyncWriteStream& stream)
: stream_(stream)
{
}
executor_type get_executor() const ASIO_NOEXCEPT
{
return stream_.get_executor();
}
template <typename WriteHandler, typename DynamicBuffer_v2,
typename CompletionCondition>
void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
{
// If you get an error on the following line it means that your handler
// does not meet the documented type requirements for a WriteHandler.
ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
non_const_lvalue<WriteHandler> handler2(handler);
non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
write_dynbuf_v2_op<AsyncWriteStream,
typename decay<DynamicBuffer_v2>::type,
CompletionCondition, typename decay<WriteHandler>::type>(
stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
completion_cond2.value, handler2.value)(
asio::error_code(), 0, 1);
}
private:
AsyncWriteStream& stream_;
};
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
template <template <typename, typename> class Associator,
typename AsyncWriteStream, typename DynamicBuffer_v2,
typename CompletionCondition, typename WriteHandler,
typename DefaultCandidate>
struct associator<Associator,
detail::write_dynbuf_v2_op<AsyncWriteStream,
DynamicBuffer_v2, CompletionCondition, WriteHandler>,
DefaultCandidate>
: Associator<WriteHandler, DefaultCandidate>
{
static typename Associator<WriteHandler, DefaultCandidate>::type
get(const detail::write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
CompletionCondition, WriteHandler>& h) ASIO_NOEXCEPT
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_);
}
static ASIO_AUTO_RETURN_TYPE_PREFIX2(
typename Associator<WriteHandler, DefaultCandidate>::type)
get(const detail::write_dynbuf_v2_op<AsyncWriteStream,
DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
const DefaultCandidate& c) ASIO_NOEXCEPT
ASIO_AUTO_RETURN_TYPE_SUFFIX((
Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c)))
{
return Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncWriteStream, typename DynamicBuffer_v2,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write_dynbuf_v2<AsyncWriteStream> >(),
token, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
transfer_all())))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write_dynbuf_v2<AsyncWriteStream>(s),
token, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
transfer_all());
}
template <typename AsyncWriteStream,
typename DynamicBuffer_v2, typename CompletionCondition,
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
std::size_t)) WriteToken>
inline ASIO_INITFN_AUTO_RESULT_TYPE_PREFIX(WriteToken,
void (asio::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(WriteToken) token,
typename constraint<
is_dynamic_buffer_v2<DynamicBuffer_v2>::value
>::type)
ASIO_INITFN_AUTO_RESULT_TYPE_SUFFIX((
async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
declval<detail::initiate_async_write_dynbuf_v2<AsyncWriteStream> >(),
token, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition))))
{
return async_initiate<WriteToken,
void (asio::error_code, std::size_t)>(
detail::initiate_async_write_dynbuf_v2<AsyncWriteStream>(s),
token, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_IMPL_WRITE_HPP