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+//
+// impl/write.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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/completion_condition.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_buffer_sequence(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_buffer_sequence(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_buffer_sequence_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_buffer_sequence
+ {
+ public:
+ typedef typename AsyncWriteStream::executor_type executor_type;
+
+ explicit initiate_async_write_buffer_sequence(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_buffer_sequence_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,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ 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)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
+ CompletionCondition completion_condition,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ typename constraint<
+ is_const_buffer_sequence<ConstBufferSequence>::value
+ >::type)
+{
+ return async_initiate<WriteHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_write_buffer_sequence<AsyncWriteStream>(s),
+ handler, buffers,
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
+}
+
+template <typename AsyncWriteStream, typename ConstBufferSequence,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ typename constraint<
+ is_const_buffer_sequence<ConstBufferSequence>::value
+ >::type)
+{
+ return async_initiate<WriteHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_write_buffer_sequence<AsyncWriteStream>(s),
+ handler, 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,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ 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)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ 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 async_write(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ transfer_all(), ASIO_MOVE_CAST(WriteHandler)(handler));
+}
+
+template <typename AsyncWriteStream,
+ typename DynamicBuffer_v1, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ CompletionCondition completion_condition,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ 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 async_initiate<WriteHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_write_dynbuf_v1<AsyncWriteStream>(s),
+ handler, 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)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ ASIO_MOVE_ARG(WriteHandler) handler)
+{
+ return async_write(s, basic_streambuf_ref<Allocator>(b),
+ ASIO_MOVE_CAST(WriteHandler)(handler));
+}
+
+template <typename AsyncWriteStream,
+ typename Allocator, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ CompletionCondition completion_condition,
+ ASIO_MOVE_ARG(WriteHandler) handler)
+{
+ return async_write(s, basic_streambuf_ref<Allocator>(b),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
+ ASIO_MOVE_CAST(WriteHandler)(handler));
+}
+
+#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,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<WriteHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename WriteHandler,
+ typename CancellationSlot>
+struct associated_cancellation_slot<
+ detail::write_dynbuf_v2_op<AsyncWriteStream,
+ DynamicBuffer_v2, CompletionCondition, WriteHandler>,
+ CancellationSlot>
+ : detail::associated_cancellation_slot_forwarding_base<
+ WriteHandler, CancellationSlot>
+{
+ typedef typename associated_cancellation_slot<
+ WriteHandler, CancellationSlot>::type type;
+
+ static type get(
+ const detail::write_dynbuf_v2_op<AsyncWriteStream,
+ DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
+ const CancellationSlot& s = CancellationSlot()) ASIO_NOEXCEPT
+ {
+ return associated_cancellation_slot<WriteHandler,
+ CancellationSlot>::get(h.handler_, s);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_write(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ transfer_all(), ASIO_MOVE_CAST(WriteHandler)(handler));
+}
+
+template <typename AsyncWriteStream,
+ typename DynamicBuffer_v2, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) WriteHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
+ void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+ CompletionCondition completion_condition,
+ ASIO_MOVE_ARG(WriteHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<WriteHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_write_dynbuf_v2<AsyncWriteStream>(s),
+ handler, 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