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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/asio/impl/write_at.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/asio/impl/write_at.hpp | 827 |
1 files changed, 0 insertions, 827 deletions
diff --git a/src/third_party/boost-1.56.0/boost/asio/impl/write_at.hpp b/src/third_party/boost-1.56.0/boost/asio/impl/write_at.hpp deleted file mode 100644 index 0d0dc4bd472..00000000000 --- a/src/third_party/boost-1.56.0/boost/asio/impl/write_at.hpp +++ /dev/null @@ -1,827 +0,0 @@ -// -// impl/write_at.hpp -// ~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2014 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 BOOST_ASIO_IMPL_WRITE_AT_HPP -#define BOOST_ASIO_IMPL_WRITE_AT_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include <boost/asio/buffer.hpp> -#include <boost/asio/completion_condition.hpp> -#include <boost/asio/detail/array_fwd.hpp> -#include <boost/asio/detail/base_from_completion_cond.hpp> -#include <boost/asio/detail/bind_handler.hpp> -#include <boost/asio/detail/consuming_buffers.hpp> -#include <boost/asio/detail/dependent_type.hpp> -#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_type_requirements.hpp> -#include <boost/asio/detail/throw_error.hpp> - -#include <boost/asio/detail/push_options.hpp> - -namespace boost { -namespace asio { - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition> -std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, boost::system::error_code& ec) -{ - ec = boost::system::error_code(); - boost::asio::detail::consuming_buffers< - const_buffer, ConstBufferSequence> tmp(buffers); - std::size_t total_transferred = 0; - tmp.prepare(detail::adapt_completion_condition_result( - completion_condition(ec, total_transferred))); - while (tmp.begin() != tmp.end()) - { - std::size_t bytes_transferred = d.write_some_at( - offset + total_transferred, tmp, ec); - tmp.consume(bytes_transferred); - total_transferred += bytes_transferred; - tmp.prepare(detail::adapt_completion_condition_result( - completion_condition(ec, total_transferred))); - } - return total_transferred; -} - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers) -{ - boost::system::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, buffers, transfer_all(), ec); - boost::asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - boost::system::error_code& ec) -{ - return write_at(d, offset, buffers, transfer_all(), ec); -} - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition) -{ - boost::system::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, buffers, completion_condition, ec); - boost::asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -#if !defined(BOOST_ASIO_NO_IOSTREAM) - -template <typename SyncRandomAccessWriteDevice, typename Allocator, - typename CompletionCondition> -std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition, boost::system::error_code& ec) -{ - std::size_t bytes_transferred = write_at( - d, offset, b.data(), completion_condition, ec); - b.consume(bytes_transferred); - return bytes_transferred; -} - -template <typename SyncRandomAccessWriteDevice, typename Allocator> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b) -{ - boost::system::error_code ec; - std::size_t bytes_transferred = write_at(d, offset, b, transfer_all(), ec); - boost::asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -template <typename SyncRandomAccessWriteDevice, typename Allocator> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - boost::system::error_code& ec) -{ - return write_at(d, offset, b, transfer_all(), ec); -} - -template <typename SyncRandomAccessWriteDevice, typename Allocator, - typename CompletionCondition> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition) -{ - boost::system::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, b, completion_condition, ec); - boost::asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -#endif // !defined(BOOST_ASIO_NO_IOSTREAM) - -namespace detail -{ - template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> - class write_at_op - : detail::base_from_completion_cond<CompletionCondition> - { - public: - write_at_op(AsyncRandomAccessWriteDevice& device, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, WriteHandler& handler) - : detail::base_from_completion_cond< - CompletionCondition>(completion_condition), - device_(device), - offset_(offset), - buffers_(buffers), - start_(0), - total_transferred_(0), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_op(const write_at_op& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(other.handler_) - { - } - - write_at_op(write_at_op&& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - std::size_t bytes_transferred, int start = 0) - { - switch (start_ = start) - { - case 1: - buffers_.prepare(this->check_for_completion(ec, total_transferred_)); - for (;;) - { - device_.async_write_some_at( - offset_ + total_transferred_, buffers_, - BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - total_transferred_ += bytes_transferred; - buffers_.consume(bytes_transferred); - buffers_.prepare(this->check_for_completion(ec, total_transferred_)); - if ((!ec && bytes_transferred == 0) - || buffers_.begin() == buffers_.end()) - break; - } - - handler_(ec, static_cast<const std::size_t&>(total_transferred_)); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - boost::asio::detail::consuming_buffers< - const_buffer, ConstBufferSequence> buffers_; - int start_; - std::size_t total_transferred_; - WriteHandler handler_; - }; - - template <typename AsyncRandomAccessWriteDevice, - typename CompletionCondition, typename WriteHandler> - class write_at_op<AsyncRandomAccessWriteDevice, - boost::asio::mutable_buffers_1, CompletionCondition, WriteHandler> - : detail::base_from_completion_cond<CompletionCondition> - { - public: - write_at_op(AsyncRandomAccessWriteDevice& device, - uint64_t offset, const boost::asio::mutable_buffers_1& buffers, - CompletionCondition completion_condition, - WriteHandler& handler) - : detail::base_from_completion_cond< - CompletionCondition>(completion_condition), - device_(device), - offset_(offset), - buffer_(buffers), - start_(0), - total_transferred_(0), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_op(const write_at_op& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffer_(other.buffer_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(other.handler_) - { - } - - write_at_op(write_at_op&& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffer_(other.buffer_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - std::size_t bytes_transferred, int start = 0) - { - std::size_t n = 0; - switch (start_ = start) - { - case 1: - n = this->check_for_completion(ec, total_transferred_); - for (;;) - { - device_.async_write_some_at(offset_ + total_transferred_, - boost::asio::buffer(buffer_ + total_transferred_, n), - BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - total_transferred_ += bytes_transferred; - if ((!ec && bytes_transferred == 0) - || (n = this->check_for_completion(ec, total_transferred_)) == 0 - || total_transferred_ == boost::asio::buffer_size(buffer_)) - break; - } - - handler_(ec, static_cast<const std::size_t&>(total_transferred_)); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - boost::asio::mutable_buffer buffer_; - int start_; - std::size_t total_transferred_; - WriteHandler handler_; - }; - - template <typename AsyncRandomAccessWriteDevice, - typename CompletionCondition, typename WriteHandler> - class write_at_op<AsyncRandomAccessWriteDevice, boost::asio::const_buffers_1, - CompletionCondition, WriteHandler> - : detail::base_from_completion_cond<CompletionCondition> - { - public: - write_at_op(AsyncRandomAccessWriteDevice& device, - uint64_t offset, const boost::asio::const_buffers_1& buffers, - CompletionCondition completion_condition, - WriteHandler& handler) - : detail::base_from_completion_cond< - CompletionCondition>(completion_condition), - device_(device), - offset_(offset), - buffer_(buffers), - start_(0), - total_transferred_(0), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_op(const write_at_op& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffer_(other.buffer_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(other.handler_) - { - } - - write_at_op(write_at_op&& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffer_(other.buffer_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - std::size_t bytes_transferred, int start = 0) - { - std::size_t n = 0; - switch (start_ = start) - { - case 1: - n = this->check_for_completion(ec, total_transferred_); - for (;;) - { - device_.async_write_some_at(offset_ + total_transferred_, - boost::asio::buffer(buffer_ + total_transferred_, n), - BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - total_transferred_ += bytes_transferred; - if ((!ec && bytes_transferred == 0) - || (n = this->check_for_completion(ec, total_transferred_)) == 0 - || total_transferred_ == boost::asio::buffer_size(buffer_)) - break; - } - - handler_(ec, static_cast<const std::size_t&>(total_transferred_)); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - boost::asio::const_buffer buffer_; - int start_; - std::size_t total_transferred_; - WriteHandler handler_; - }; - - template <typename AsyncRandomAccessWriteDevice, typename Elem, - typename CompletionCondition, typename WriteHandler> - class write_at_op<AsyncRandomAccessWriteDevice, boost::array<Elem, 2>, - CompletionCondition, WriteHandler> - : detail::base_from_completion_cond<CompletionCondition> - { - public: - write_at_op(AsyncRandomAccessWriteDevice& device, - uint64_t offset, const boost::array<Elem, 2>& buffers, - CompletionCondition completion_condition, WriteHandler& handler) - : detail::base_from_completion_cond< - CompletionCondition>(completion_condition), - device_(device), - offset_(offset), - buffers_(buffers), - start_(0), - total_transferred_(0), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_op(const write_at_op& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(other.handler_) - { - } - - write_at_op(write_at_op&& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - std::size_t bytes_transferred, int start = 0) - { - typename boost::asio::detail::dependent_type<Elem, - boost::array<boost::asio::const_buffer, 2> >::type bufs = {{ - boost::asio::const_buffer(buffers_[0]), - boost::asio::const_buffer(buffers_[1]) }}; - std::size_t buffer_size0 = boost::asio::buffer_size(bufs[0]); - std::size_t buffer_size1 = boost::asio::buffer_size(bufs[1]); - std::size_t n = 0; - switch (start_ = start) - { - case 1: - n = this->check_for_completion(ec, total_transferred_); - for (;;) - { - bufs[0] = boost::asio::buffer(bufs[0] + total_transferred_, n); - bufs[1] = boost::asio::buffer( - bufs[1] + (total_transferred_ < buffer_size0 - ? 0 : total_transferred_ - buffer_size0), - n - boost::asio::buffer_size(bufs[0])); - device_.async_write_some_at(offset_ + total_transferred_, - bufs, BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - total_transferred_ += bytes_transferred; - if ((!ec && bytes_transferred == 0) - || (n = this->check_for_completion(ec, total_transferred_)) == 0 - || total_transferred_ == buffer_size0 + buffer_size1) - break; - } - - handler_(ec, static_cast<const std::size_t&>(total_transferred_)); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - boost::array<Elem, 2> buffers_; - int start_; - std::size_t total_transferred_; - WriteHandler handler_; - }; - -#if defined(BOOST_ASIO_HAS_STD_ARRAY) - - template <typename AsyncRandomAccessWriteDevice, typename Elem, - typename CompletionCondition, typename WriteHandler> - class write_at_op<AsyncRandomAccessWriteDevice, std::array<Elem, 2>, - CompletionCondition, WriteHandler> - : detail::base_from_completion_cond<CompletionCondition> - { - public: - write_at_op(AsyncRandomAccessWriteDevice& device, - uint64_t offset, const std::array<Elem, 2>& buffers, - CompletionCondition completion_condition, WriteHandler& handler) - : detail::base_from_completion_cond< - CompletionCondition>(completion_condition), - device_(device), - offset_(offset), - buffers_(buffers), - start_(0), - total_transferred_(0), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_op(const write_at_op& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(other.handler_) - { - } - - write_at_op(write_at_op&& other) - : detail::base_from_completion_cond<CompletionCondition>(other), - device_(other.device_), - offset_(other.offset_), - buffers_(other.buffers_), - start_(other.start_), - total_transferred_(other.total_transferred_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - std::size_t bytes_transferred, int start = 0) - { - typename boost::asio::detail::dependent_type<Elem, - std::array<boost::asio::const_buffer, 2> >::type bufs = {{ - boost::asio::const_buffer(buffers_[0]), - boost::asio::const_buffer(buffers_[1]) }}; - std::size_t buffer_size0 = boost::asio::buffer_size(bufs[0]); - std::size_t buffer_size1 = boost::asio::buffer_size(bufs[1]); - std::size_t n = 0; - switch (start_ = start) - { - case 1: - n = this->check_for_completion(ec, total_transferred_); - for (;;) - { - bufs[0] = boost::asio::buffer(bufs[0] + total_transferred_, n); - bufs[1] = boost::asio::buffer( - bufs[1] + (total_transferred_ < buffer_size0 - ? 0 : total_transferred_ - buffer_size0), - n - boost::asio::buffer_size(bufs[0])); - device_.async_write_some_at(offset_ + total_transferred_, - bufs, BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - total_transferred_ += bytes_transferred; - if ((!ec && bytes_transferred == 0) - || (n = this->check_for_completion(ec, total_transferred_)) == 0 - || total_transferred_ == buffer_size0 + buffer_size1) - break; - } - - handler_(ec, static_cast<const std::size_t&>(total_transferred_)); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - std::array<Elem, 2> buffers_; - int start_; - std::size_t total_transferred_; - WriteHandler handler_; - }; - -#endif // defined(BOOST_ASIO_HAS_STD_ARRAY) - - template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> - inline void* asio_handler_allocate(std::size_t size, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, WriteHandler>* this_handler) - { - return boost_asio_handler_alloc_helpers::allocate( - size, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> - inline void asio_handler_deallocate(void* pointer, std::size_t size, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, WriteHandler>* this_handler) - { - boost_asio_handler_alloc_helpers::deallocate( - pointer, size, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> - inline bool asio_handler_is_continuation( - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, WriteHandler>* this_handler) - { - return this_handler->start_ == 0 ? true - : boost_asio_handler_cont_helpers::is_continuation( - this_handler->handler_); - } - - template <typename Function, typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename CompletionCondition, - typename WriteHandler> - inline void asio_handler_invoke(Function& function, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, WriteHandler>* this_handler) - { - boost_asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename Function, typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename CompletionCondition, - typename WriteHandler> - inline void asio_handler_invoke(const Function& function, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, WriteHandler>* this_handler) - { - boost_asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> - inline write_at_op<AsyncRandomAccessWriteDevice, - ConstBufferSequence, CompletionCondition, WriteHandler> - make_write_at_op(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, WriteHandler handler) - { - return write_at_op<AsyncRandomAccessWriteDevice, - ConstBufferSequence, CompletionCondition, WriteHandler>( - d, offset, buffers, completion_condition, handler); - } -} // namespace detail - -template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> -inline BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (boost::system::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, - BOOST_ASIO_MOVE_ARG(WriteHandler) handler) -{ - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a WriteHandler. - BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - detail::async_result_init< - WriteHandler, void (boost::system::error_code, std::size_t)> init( - BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)); - - detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - CompletionCondition, BOOST_ASIO_HANDLER_TYPE( - WriteHandler, void (boost::system::error_code, std::size_t))>( - d, offset, buffers, completion_condition, init.handler)( - boost::system::error_code(), 0, 1); - - return init.result.get(); -} - -template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename WriteHandler> -inline BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (boost::system::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - BOOST_ASIO_MOVE_ARG(WriteHandler) handler) -{ - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a WriteHandler. - BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - detail::async_result_init< - WriteHandler, void (boost::system::error_code, std::size_t)> init( - BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)); - - detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - detail::transfer_all_t, BOOST_ASIO_HANDLER_TYPE( - WriteHandler, void (boost::system::error_code, std::size_t))>( - d, offset, buffers, transfer_all(), init.handler)( - boost::system::error_code(), 0, 1); - - return init.result.get(); -} - -#if !defined(BOOST_ASIO_NO_IOSTREAM) - -namespace detail -{ - template <typename Allocator, typename WriteHandler> - class write_at_streambuf_op - { - public: - write_at_streambuf_op( - boost::asio::basic_streambuf<Allocator>& streambuf, - WriteHandler& handler) - : streambuf_(streambuf), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) - write_at_streambuf_op(const write_at_streambuf_op& other) - : streambuf_(other.streambuf_), - handler_(other.handler_) - { - } - - write_at_streambuf_op(write_at_streambuf_op&& other) - : streambuf_(other.streambuf_), - handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(BOOST_ASIO_HAS_MOVE) - - void operator()(const boost::system::error_code& ec, - const std::size_t bytes_transferred) - { - streambuf_.consume(bytes_transferred); - handler_(ec, bytes_transferred); - } - - //private: - boost::asio::basic_streambuf<Allocator>& streambuf_; - WriteHandler handler_; - }; - - template <typename Allocator, typename WriteHandler> - inline void* asio_handler_allocate(std::size_t size, - write_at_streambuf_op<Allocator, WriteHandler>* this_handler) - { - return boost_asio_handler_alloc_helpers::allocate( - size, this_handler->handler_); - } - - template <typename Allocator, typename WriteHandler> - inline void asio_handler_deallocate(void* pointer, std::size_t size, - write_at_streambuf_op<Allocator, WriteHandler>* this_handler) - { - boost_asio_handler_alloc_helpers::deallocate( - pointer, size, this_handler->handler_); - } - - template <typename Allocator, typename WriteHandler> - inline bool asio_handler_is_continuation( - write_at_streambuf_op<Allocator, WriteHandler>* this_handler) - { - return boost_asio_handler_cont_helpers::is_continuation( - this_handler->handler_); - } - - template <typename Function, typename Allocator, typename WriteHandler> - inline void asio_handler_invoke(Function& function, - write_at_streambuf_op<Allocator, WriteHandler>* this_handler) - { - boost_asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename Function, typename Allocator, typename WriteHandler> - inline void asio_handler_invoke(const Function& function, - write_at_streambuf_op<Allocator, WriteHandler>* this_handler) - { - boost_asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename Allocator, typename WriteHandler> - inline write_at_streambuf_op<Allocator, WriteHandler> - make_write_at_streambuf_op( - boost::asio::basic_streambuf<Allocator>& b, WriteHandler handler) - { - return write_at_streambuf_op<Allocator, WriteHandler>(b, handler); - } -} // namespace detail - -template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename CompletionCondition, typename WriteHandler> -inline BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (boost::system::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition, - BOOST_ASIO_MOVE_ARG(WriteHandler) handler) -{ - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a WriteHandler. - BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - detail::async_result_init< - WriteHandler, void (boost::system::error_code, std::size_t)> init( - BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)); - - async_write_at(d, offset, b.data(), completion_condition, - detail::write_at_streambuf_op<Allocator, BOOST_ASIO_HANDLER_TYPE( - WriteHandler, void (boost::system::error_code, std::size_t))>( - b, init.handler)); - - return init.result.get(); -} - -template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename WriteHandler> -inline BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (boost::system::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - BOOST_ASIO_MOVE_ARG(WriteHandler) handler) -{ - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a WriteHandler. - BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - detail::async_result_init< - WriteHandler, void (boost::system::error_code, std::size_t)> init( - BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)); - - async_write_at(d, offset, b.data(), transfer_all(), - detail::write_at_streambuf_op<Allocator, BOOST_ASIO_HANDLER_TYPE( - WriteHandler, void (boost::system::error_code, std::size_t))>( - b, init.handler)); - - return init.result.get(); -} - -#endif // !defined(BOOST_ASIO_NO_IOSTREAM) - -} // namespace asio -} // namespace boost - -#include <boost/asio/detail/pop_options.hpp> - -#endif // BOOST_ASIO_IMPL_WRITE_AT_HPP |