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Diffstat (limited to 'lib/asio/impl/write_at.hpp')
| -rw-r--r-- | lib/asio/impl/write_at.hpp | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/lib/asio/impl/write_at.hpp b/lib/asio/impl/write_at.hpp deleted file mode 100644 index cc6f336..0000000 --- a/lib/asio/impl/write_at.hpp +++ /dev/null @@ -1,572 +0,0 @@ -// -// impl/write_at.hpp -// ~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2018 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_AT_HPP -#define ASIO_IMPL_WRITE_AT_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/associated_allocator.hpp" -#include "asio/associated_executor.hpp" -#include "asio/buffer.hpp" -#include "asio/completion_condition.hpp" -#include "asio/detail/array_fwd.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_type_requirements.hpp" -#include "asio/detail/throw_error.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { - -namespace detail -{ - template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename ConstBufferIterator, typename CompletionCondition> - std::size_t write_at_buffer_sequence(SyncRandomAccessWriteDevice& d, - uint64_t offset, 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(d.write_some_at(offset + tmp.total_consumed(), - tmp.prepare(max_size), ec)); - } - else - break; - } - return tmp.total_consumed();; - } -} // namespace detail - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition> -std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, asio::error_code& ec) -{ - return detail::write_at_buffer_sequence(d, offset, buffers, - asio::buffer_sequence_begin(buffers), completion_condition, ec); -} - -template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence> -inline std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers) -{ - asio::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, buffers, transfer_all(), ec); - 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, - asio::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) -{ - asio::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, buffers, completion_condition, ec); - asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -#if !defined(ASIO_NO_EXTENSIONS) -#if !defined(ASIO_NO_IOSTREAM) - -template <typename SyncRandomAccessWriteDevice, typename Allocator, - typename CompletionCondition> -std::size_t write_at(SyncRandomAccessWriteDevice& d, - uint64_t offset, asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition, asio::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, asio::basic_streambuf<Allocator>& b) -{ - asio::error_code ec; - std::size_t bytes_transferred = write_at(d, offset, b, transfer_all(), ec); - 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, asio::basic_streambuf<Allocator>& b, - asio::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, asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition) -{ - asio::error_code ec; - std::size_t bytes_transferred = write_at( - d, offset, b, completion_condition, ec); - asio::detail::throw_error(ec, "write_at"); - return bytes_transferred; -} - -#endif // !defined(ASIO_NO_IOSTREAM) -#endif // !defined(ASIO_NO_EXTENSIONS) - -namespace detail -{ - template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - 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), - handler_(ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(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_), - 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_), - 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) - { - std::size_t max_size; - switch (start_ = start) - { - case 1: - max_size = this->check_for_completion(ec, buffers_.total_consumed()); - do - { - device_.async_write_some_at( - offset_ + buffers_.total_consumed(), buffers_.prepare(max_size), - ASIO_MOVE_CAST(write_at_op)(*this)); - return; default: - buffers_.consume(bytes_transferred); - if ((!ec && bytes_transferred == 0) || buffers_.empty()) - break; - max_size = this->check_for_completion(ec, buffers_.total_consumed()); - } while (max_size > 0); - - handler_(ec, buffers_.total_consumed()); - } - } - - //private: - AsyncRandomAccessWriteDevice& device_; - uint64_t offset_; - asio::detail::consuming_buffers<const_buffer, - ConstBufferSequence, ConstBufferIterator> buffers_; - int start_; - WriteHandler handler_; - }; - - template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline void* asio_handler_allocate(std::size_t size, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>* this_handler) - { - return asio_handler_alloc_helpers::allocate( - size, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline void asio_handler_deallocate(void* pointer, std::size_t size, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>* this_handler) - { - asio_handler_alloc_helpers::deallocate( - pointer, size, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline bool asio_handler_is_continuation( - write_at_op<AsyncRandomAccessWriteDevice, 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 AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline void asio_handler_invoke(Function& function, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>* this_handler) - { - asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename Function, typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline void asio_handler_invoke(const Function& function, - write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>* this_handler) - { - asio_handler_invoke_helpers::invoke( - function, this_handler->handler_); - } - - template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler> - inline void start_write_at_buffer_sequence_op(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - const ConstBufferIterator&, CompletionCondition completion_condition, - WriteHandler& handler) - { - detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>( - d, offset, buffers, completion_condition, handler)( - asio::error_code(), 0, 1); - } -} // namespace detail - -#if !defined(GENERATING_DOCUMENTATION) - -template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler, typename Allocator> -struct associated_allocator< - detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>, - Allocator> -{ - typedef typename associated_allocator<WriteHandler, Allocator>::type type; - - static type get( - const detail::write_at_op<AsyncRandomAccessWriteDevice, - ConstBufferSequence, ConstBufferIterator, - CompletionCondition, WriteHandler>& h, - const Allocator& a = Allocator()) ASIO_NOEXCEPT - { - return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a); - } -}; - -template <typename AsyncRandomAccessWriteDevice, - typename ConstBufferSequence, typename ConstBufferIterator, - typename CompletionCondition, typename WriteHandler, typename Executor> -struct associated_executor< - detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence, - ConstBufferIterator, CompletionCondition, WriteHandler>, - Executor> -{ - typedef typename associated_executor<WriteHandler, Executor>::type type; - - static type get( - const detail::write_at_op<AsyncRandomAccessWriteDevice, - ConstBufferSequence, ConstBufferIterator, - CompletionCondition, WriteHandler>& h, - const Executor& ex = Executor()) ASIO_NOEXCEPT - { - return associated_executor<WriteHandler, Executor>::get(h.handler_, ex); - } -}; - -#endif // !defined(GENERATING_DOCUMENTATION) - -template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename CompletionCondition, typename WriteHandler> -inline ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, - 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. - ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - async_completion<WriteHandler, - void (asio::error_code, std::size_t)> init(handler); - - detail::start_write_at_buffer_sequence_op(d, offset, buffers, - asio::buffer_sequence_begin(buffers), completion_condition, - init.completion_handler); - - return init.result.get(); -} - -template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, - typename WriteHandler> -inline ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, const ConstBufferSequence& buffers, - 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. - ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - async_completion<WriteHandler, - void (asio::error_code, std::size_t)> init(handler); - - detail::start_write_at_buffer_sequence_op(d, offset, buffers, - asio::buffer_sequence_begin(buffers), transfer_all(), - init.completion_handler); - - return init.result.get(); -} - -#if !defined(ASIO_NO_EXTENSIONS) -#if !defined(ASIO_NO_IOSTREAM) - -namespace detail -{ - template <typename Allocator, typename WriteHandler> - class write_at_streambuf_op - { - public: - write_at_streambuf_op( - asio::basic_streambuf<Allocator>& streambuf, - WriteHandler& handler) - : streambuf_(streambuf), - handler_(ASIO_MOVE_CAST(WriteHandler)(handler)) - { - } - -#if defined(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_(ASIO_MOVE_CAST(WriteHandler)(other.handler_)) - { - } -#endif // defined(ASIO_HAS_MOVE) - - void operator()(const asio::error_code& ec, - const std::size_t bytes_transferred) - { - streambuf_.consume(bytes_transferred); - handler_(ec, bytes_transferred); - } - - //private: - 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 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) - { - 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 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) - { - 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) - { - 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( - asio::basic_streambuf<Allocator>& b, WriteHandler handler) - { - return write_at_streambuf_op<Allocator, WriteHandler>(b, handler); - } -} // namespace detail - -#if !defined(GENERATING_DOCUMENTATION) - -template <typename Allocator, typename WriteHandler, typename Allocator1> -struct associated_allocator< - detail::write_at_streambuf_op<Allocator, WriteHandler>, - Allocator1> -{ - typedef typename associated_allocator<WriteHandler, Allocator1>::type type; - - static type get( - const detail::write_at_streambuf_op<Allocator, WriteHandler>& h, - const Allocator1& a = Allocator1()) ASIO_NOEXCEPT - { - return associated_allocator<WriteHandler, Allocator1>::get(h.handler_, a); - } -}; - -template <typename Executor, typename WriteHandler, typename Executor1> -struct associated_executor< - detail::write_at_streambuf_op<Executor, WriteHandler>, - Executor1> -{ - typedef typename associated_executor<WriteHandler, Executor1>::type type; - - static type get( - const detail::write_at_streambuf_op<Executor, WriteHandler>& h, - const Executor1& ex = Executor1()) ASIO_NOEXCEPT - { - return associated_executor<WriteHandler, Executor1>::get(h.handler_, ex); - } -}; - -#endif // !defined(GENERATING_DOCUMENTATION) - -template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename CompletionCondition, typename WriteHandler> -inline ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition, - 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. - ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - async_completion<WriteHandler, - void (asio::error_code, std::size_t)> init(handler); - - async_write_at(d, offset, b.data(), completion_condition, - detail::write_at_streambuf_op<Allocator, ASIO_HANDLER_TYPE( - WriteHandler, void (asio::error_code, std::size_t))>( - b, init.completion_handler)); - - return init.result.get(); -} - -template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename WriteHandler> -inline ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) -async_write_at(AsyncRandomAccessWriteDevice& d, - uint64_t offset, asio::basic_streambuf<Allocator>& b, - 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. - ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - async_completion<WriteHandler, - void (asio::error_code, std::size_t)> init(handler); - - async_write_at(d, offset, b.data(), transfer_all(), - detail::write_at_streambuf_op<Allocator, ASIO_HANDLER_TYPE( - WriteHandler, void (asio::error_code, std::size_t))>( - b, init.completion_handler)); - - return init.result.get(); -} - -#endif // !defined(ASIO_NO_IOSTREAM) -#endif // !defined(ASIO_NO_EXTENSIONS) - -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_IMPL_WRITE_AT_HPP |