Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/asio/impl/write_at.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/asio/impl/write_at.hpp | 414 |
1 files changed, 373 insertions, 41 deletions
diff --git a/3rdParty/Boost/src/boost/asio/impl/write_at.hpp b/3rdParty/Boost/src/boost/asio/impl/write_at.hpp index 39dc1af..acba02f 100644 --- a/3rdParty/Boost/src/boost/asio/impl/write_at.hpp +++ b/3rdParty/Boost/src/boost/asio/impl/write_at.hpp @@ -2,7 +2,7 @@ // impl/write_at.hpp // ~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2012 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) @@ -17,11 +17,14 @@ #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_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> @@ -60,10 +63,18 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d, boost::system::error_code ec; std::size_t bytes_transferred = write_at( d, offset, buffers, transfer_all(), ec); - boost::asio::detail::throw_error(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, + boost::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, @@ -73,7 +84,7 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d, boost::system::error_code ec; std::size_t bytes_transferred = write_at( d, offset, buffers, completion_condition, ec); - boost::asio::detail::throw_error(ec); + boost::asio::detail::throw_error(ec, "write_at"); return bytes_transferred; } @@ -97,10 +108,18 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d, { boost::system::error_code ec; std::size_t bytes_transferred = write_at(d, offset, b, transfer_all(), ec); - boost::asio::detail::throw_error(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, + boost::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, @@ -110,7 +129,7 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d, boost::system::error_code ec; std::size_t bytes_transferred = write_at( d, offset, b, completion_condition, ec); - boost::asio::detail::throw_error(ec); + boost::asio::detail::throw_error(ec, "write_at"); return bytes_transferred; } @@ -126,17 +145,39 @@ namespace detail public: write_at_op(AsyncRandomAccessWriteDevice& device, boost::uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, WriteHandler handler) + CompletionCondition completion_condition, WriteHandler& handler) : detail::base_from_completion_cond< CompletionCondition>(completion_condition), device_(device), offset_(offset), buffers_(buffers), total_transferred_(0), - handler_(handler) + 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_), + 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_), + 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) { @@ -147,7 +188,8 @@ namespace detail for (;;) { device_.async_write_some_at( - offset_ + total_transferred_, buffers_, *this); + offset_ + total_transferred_, buffers_, + BOOST_ASIO_MOVE_CAST(write_at_op)(*this)); return; default: total_transferred_ += bytes_transferred; buffers_.consume(bytes_transferred); @@ -180,17 +222,39 @@ namespace detail write_at_op(AsyncRandomAccessWriteDevice& device, boost::uint64_t offset, const boost::asio::mutable_buffers_1& buffers, CompletionCondition completion_condition, - WriteHandler handler) + WriteHandler& handler) : detail::base_from_completion_cond< CompletionCondition>(completion_condition), device_(device), offset_(offset), buffer_(buffers), total_transferred_(0), - handler_(handler) + 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_), + 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_), + 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) { @@ -202,7 +266,8 @@ namespace detail for (;;) { device_.async_write_some_at(offset_ + total_transferred_, - boost::asio::buffer(buffer_ + total_transferred_, n), *this); + 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) @@ -233,17 +298,39 @@ namespace detail write_at_op(AsyncRandomAccessWriteDevice& device, boost::uint64_t offset, const boost::asio::const_buffers_1& buffers, CompletionCondition completion_condition, - WriteHandler handler) + WriteHandler& handler) : detail::base_from_completion_cond< CompletionCondition>(completion_condition), device_(device), offset_(offset), buffer_(buffers), total_transferred_(0), - handler_(handler) + 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_), + 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_), + 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) { @@ -255,7 +342,8 @@ namespace detail for (;;) { device_.async_write_some_at(offset_ + total_transferred_, - boost::asio::buffer(buffer_ + total_transferred_, n), *this); + 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) @@ -276,6 +364,180 @@ namespace detail 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, + boost::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), + 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_), + 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_), + 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) + { + 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_; + boost::uint64_t offset_; + boost::array<Elem, 2> buffers_; + 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, + boost::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), + 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_), + 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_), + 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) + { + 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_; + boost::uint64_t offset_; + std::array<Elem, 2> buffers_; + 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, @@ -299,6 +561,17 @@ namespace detail 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) @@ -306,17 +579,35 @@ namespace detail 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, + boost::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 void async_write_at(AsyncRandomAccessWriteDevice& d, boost::uint64_t offset, const ConstBufferSequence& buffers, - CompletionCondition completion_condition, WriteHandler handler) + CompletionCondition completion_condition, + BOOST_ASIO_MOVE_ARG(WriteHandler) handler) { - detail::write_at_op<AsyncRandomAccessWriteDevice, - ConstBufferSequence, CompletionCondition, WriteHandler>( - d, offset, buffers, completion_condition, 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::make_write_at_op( + d, offset, buffers, completion_condition, + BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))( boost::system::error_code(), 0, 1); } @@ -324,28 +615,48 @@ template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence, typename WriteHandler> inline void async_write_at(AsyncRandomAccessWriteDevice& d, boost::uint64_t offset, const ConstBufferSequence& buffers, - WriteHandler handler) + BOOST_ASIO_MOVE_ARG(WriteHandler) handler) { - async_write_at(d, offset, buffers, transfer_all(), 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::make_write_at_op( + d, offset, buffers, transfer_all(), + BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))( + boost::system::error_code(), 0, 1); } #if !defined(BOOST_NO_IOSTREAM) namespace detail { - template <typename AsyncRandomAccessWriteDevice, - typename Allocator, typename WriteHandler> + template <typename Allocator, typename WriteHandler> class write_at_streambuf_op { public: write_at_streambuf_op( boost::asio::basic_streambuf<Allocator>& streambuf, - WriteHandler handler) + WriteHandler& handler) : streambuf_(streambuf), - handler_(handler) + 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) { @@ -358,55 +669,76 @@ namespace detail WriteHandler handler_; }; - template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename WriteHandler> + template <typename Allocator, typename WriteHandler> inline void* asio_handler_allocate(std::size_t size, - write_at_streambuf_op<AsyncRandomAccessWriteDevice, - Allocator, WriteHandler>* this_handler) + write_at_streambuf_op<Allocator, WriteHandler>* this_handler) { return boost_asio_handler_alloc_helpers::allocate( size, this_handler->handler_); } - template <typename AsyncRandomAccessWriteDevice, typename Allocator, - typename WriteHandler> + template <typename Allocator, typename WriteHandler> inline void asio_handler_deallocate(void* pointer, std::size_t size, - write_at_streambuf_op<AsyncRandomAccessWriteDevice, - Allocator, WriteHandler>* this_handler) + write_at_streambuf_op<Allocator, WriteHandler>* this_handler) { boost_asio_handler_alloc_helpers::deallocate( pointer, size, this_handler->handler_); } - template <typename Function, typename AsyncRandomAccessWriteDevice, - typename Allocator, typename WriteHandler> + 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<AsyncRandomAccessWriteDevice, - Allocator, WriteHandler>* this_handler) + 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 void async_write_at(AsyncRandomAccessWriteDevice& d, boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - CompletionCondition completion_condition, WriteHandler handler) + 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; + async_write_at(d, offset, b.data(), completion_condition, - detail::write_at_streambuf_op< - AsyncRandomAccessWriteDevice, Allocator, WriteHandler>(b, handler)); + detail::make_write_at_streambuf_op( + b, BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))); } template <typename AsyncRandomAccessWriteDevice, typename Allocator, typename WriteHandler> inline void async_write_at(AsyncRandomAccessWriteDevice& d, boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b, - WriteHandler handler) + BOOST_ASIO_MOVE_ARG(WriteHandler) handler) { - async_write_at(d, offset, b, transfer_all(), 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; + + async_write_at(d, offset, b.data(), transfer_all(), + detail::make_write_at_streambuf_op( + b, BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))); } #endif // !defined(BOOST_NO_IOSTREAM) |