http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3e6c61e/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_at.hpp ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_at.hpp b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_at.hpp new file mode 100644 index 0000000..0ce36bc --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_at.hpp @@ -0,0 +1,810 @@ +// +// impl/read_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 ASIO_IMPL_READ_AT_HPP +#define ASIO_IMPL_READ_AT_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <algorithm> +#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/error.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { + +template <typename SyncRandomAccessReadDevice, typename MutableBufferSequence, + typename CompletionCondition> +std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + CompletionCondition completion_condition, asio::error_code& ec) +{ + ec = asio::error_code(); + asio::detail::consuming_buffers< + mutable_buffer, MutableBufferSequence> 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.read_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 SyncRandomAccessReadDevice, typename MutableBufferSequence> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_at( + d, offset, buffers, transfer_all(), ec); + asio::detail::throw_error(ec, "read_at"); + return bytes_transferred; +} + +template <typename SyncRandomAccessReadDevice, typename MutableBufferSequence> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + asio::error_code& ec) +{ + return read_at(d, offset, buffers, transfer_all(), ec); +} + +template <typename SyncRandomAccessReadDevice, typename MutableBufferSequence, + typename CompletionCondition> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + CompletionCondition completion_condition) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_at( + d, offset, buffers, completion_condition, ec); + asio::detail::throw_error(ec, "read_at"); + return bytes_transferred; +} + +#if !defined(ASIO_NO_IOSTREAM) + +template <typename SyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition> +std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b, + CompletionCondition completion_condition, asio::error_code& ec) +{ + ec = asio::error_code(); + std::size_t total_transferred = 0; + std::size_t max_size = detail::adapt_completion_condition_result( + completion_condition(ec, total_transferred)); + std::size_t bytes_available = read_size_helper(b, max_size); + while (bytes_available > 0) + { + std::size_t bytes_transferred = d.read_some_at( + offset + total_transferred, b.prepare(bytes_available), ec); + b.commit(bytes_transferred); + total_transferred += bytes_transferred; + max_size = detail::adapt_completion_condition_result( + completion_condition(ec, total_transferred)); + bytes_available = read_size_helper(b, max_size); + } + return total_transferred; +} + +template <typename SyncRandomAccessReadDevice, typename Allocator> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_at( + d, offset, b, transfer_all(), ec); + asio::detail::throw_error(ec, "read_at"); + return bytes_transferred; +} + +template <typename SyncRandomAccessReadDevice, typename Allocator> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b, + asio::error_code& ec) +{ + return read_at(d, offset, b, transfer_all(), ec); +} + +template <typename SyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition> +inline std::size_t read_at(SyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b, + CompletionCondition completion_condition) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_at( + d, offset, b, completion_condition, ec); + asio::detail::throw_error(ec, "read_at"); + return bytes_transferred; +} + +#endif // !defined(ASIO_NO_IOSTREAM) + +namespace detail +{ + template <typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + class read_at_op + : detail::base_from_completion_cond<CompletionCondition> + { + public: + read_at_op(AsyncRandomAccessReadDevice& device, + uint64_t offset, const MutableBufferSequence& buffers, + CompletionCondition completion_condition, ReadHandler& handler) + : detail::base_from_completion_cond< + CompletionCondition>(completion_condition), + device_(device), + offset_(offset), + buffers_(buffers), + start_(0), + total_transferred_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_at_op(const read_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_) + { + } + + read_at_op(read_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_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::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_read_some_at(offset_ + total_transferred_, + buffers_, ASIO_MOVE_CAST(read_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: + AsyncRandomAccessReadDevice& device_; + uint64_t offset_; + asio::detail::consuming_buffers< + mutable_buffer, MutableBufferSequence> buffers_; + int start_; + std::size_t total_transferred_; + ReadHandler handler_; + }; + + template <typename AsyncRandomAccessReadDevice, + typename CompletionCondition, typename ReadHandler> + class read_at_op<AsyncRandomAccessReadDevice, + asio::mutable_buffers_1, CompletionCondition, ReadHandler> + : detail::base_from_completion_cond<CompletionCondition> + { + public: + read_at_op(AsyncRandomAccessReadDevice& device, + uint64_t offset, const asio::mutable_buffers_1& buffers, + CompletionCondition completion_condition, ReadHandler& handler) + : detail::base_from_completion_cond< + CompletionCondition>(completion_condition), + device_(device), + offset_(offset), + buffer_(buffers), + start_(0), + total_transferred_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_at_op(const read_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_) + { + } + + read_at_op(read_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_(ASIO_MOVE_CAST(ReadHandler)(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 n = 0; + switch (start_ = start) + { + case 1: + n = this->check_for_completion(ec, total_transferred_); + for (;;) + { + device_.async_read_some_at(offset_ + total_transferred_, + asio::buffer(buffer_ + total_transferred_, n), + ASIO_MOVE_CAST(read_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_ == asio::buffer_size(buffer_)) + break; + } + + handler_(ec, static_cast<const std::size_t&>(total_transferred_)); + } + } + + //private: + AsyncRandomAccessReadDevice& device_; + uint64_t offset_; + asio::mutable_buffer buffer_; + int start_; + std::size_t total_transferred_; + ReadHandler handler_; + }; + + template <typename AsyncRandomAccessReadDevice, typename Elem, + typename CompletionCondition, typename ReadHandler> + class read_at_op<AsyncRandomAccessReadDevice, boost::array<Elem, 2>, + CompletionCondition, ReadHandler> + : detail::base_from_completion_cond<CompletionCondition> + { + public: + read_at_op(AsyncRandomAccessReadDevice& device, + uint64_t offset, const boost::array<Elem, 2>& buffers, + CompletionCondition completion_condition, ReadHandler& handler) + : detail::base_from_completion_cond< + CompletionCondition>(completion_condition), + device_(device), + offset_(offset), + buffers_(buffers), + start_(0), + total_transferred_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_at_op(const read_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_) + { + } + + read_at_op(read_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_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + typename asio::detail::dependent_type<Elem, + boost::array<asio::mutable_buffer, 2> >::type bufs = {{ + asio::mutable_buffer(buffers_[0]), + asio::mutable_buffer(buffers_[1]) }}; + std::size_t buffer_size0 = asio::buffer_size(bufs[0]); + std::size_t buffer_size1 = 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] = asio::buffer(bufs[0] + total_transferred_, n); + bufs[1] = asio::buffer( + bufs[1] + (total_transferred_ < buffer_size0 + ? 0 : total_transferred_ - buffer_size0), + n - asio::buffer_size(bufs[0])); + device_.async_read_some_at(offset_ + total_transferred_, + bufs, ASIO_MOVE_CAST(read_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: + AsyncRandomAccessReadDevice& device_; + uint64_t offset_; + boost::array<Elem, 2> buffers_; + int start_; + std::size_t total_transferred_; + ReadHandler handler_; + }; + +#if defined(ASIO_HAS_STD_ARRAY) + + template <typename AsyncRandomAccessReadDevice, typename Elem, + typename CompletionCondition, typename ReadHandler> + class read_at_op<AsyncRandomAccessReadDevice, std::array<Elem, 2>, + CompletionCondition, ReadHandler> + : detail::base_from_completion_cond<CompletionCondition> + { + public: + read_at_op(AsyncRandomAccessReadDevice& device, + uint64_t offset, const std::array<Elem, 2>& buffers, + CompletionCondition completion_condition, ReadHandler& handler) + : detail::base_from_completion_cond< + CompletionCondition>(completion_condition), + device_(device), + offset_(offset), + buffers_(buffers), + start_(0), + total_transferred_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_at_op(const read_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_) + { + } + + read_at_op(read_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_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + typename asio::detail::dependent_type<Elem, + std::array<asio::mutable_buffer, 2> >::type bufs = {{ + asio::mutable_buffer(buffers_[0]), + asio::mutable_buffer(buffers_[1]) }}; + std::size_t buffer_size0 = asio::buffer_size(bufs[0]); + std::size_t buffer_size1 = 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] = asio::buffer(bufs[0] + total_transferred_, n); + bufs[1] = asio::buffer( + bufs[1] + (total_transferred_ < buffer_size0 + ? 0 : total_transferred_ - buffer_size0), + n - asio::buffer_size(bufs[0])); + device_.async_read_some_at(offset_ + total_transferred_, + bufs, ASIO_MOVE_CAST(read_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: + AsyncRandomAccessReadDevice& device_; + uint64_t offset_; + std::array<Elem, 2> buffers_; + int start_; + std::size_t total_transferred_; + ReadHandler handler_; + }; + +#endif // defined(ASIO_HAS_STD_ARRAY) + + template <typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline bool asio_handler_is_continuation( + read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename AsyncRandomAccessReadDevice, + typename MutableBufferSequence, typename CompletionCondition, + typename ReadHandler> + inline read_at_op<AsyncRandomAccessReadDevice, + MutableBufferSequence, CompletionCondition, ReadHandler> + make_read_at_op(AsyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + CompletionCondition completion_condition, ReadHandler handler) + { + return read_at_op<AsyncRandomAccessReadDevice, + MutableBufferSequence, CompletionCondition, ReadHandler>( + d, offset, buffers, completion_condition, handler); + } +} // namespace detail + +template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence, + typename CompletionCondition, typename ReadHandler> +inline ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_at(AsyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + CompletionCondition completion_condition, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + CompletionCondition, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + d, offset, buffers, completion_condition, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence, + typename ReadHandler> +inline ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_at(AsyncRandomAccessReadDevice& d, + uint64_t offset, const MutableBufferSequence& buffers, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence, + detail::transfer_all_t, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + d, offset, buffers, transfer_all(), init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +#if !defined(ASIO_NO_IOSTREAM) + +namespace detail +{ + template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition, typename ReadHandler> + class read_at_streambuf_op + : detail::base_from_completion_cond<CompletionCondition> + { + public: + read_at_streambuf_op(AsyncRandomAccessReadDevice& device, + uint64_t offset, basic_streambuf<Allocator>& streambuf, + CompletionCondition completion_condition, ReadHandler& handler) + : detail::base_from_completion_cond< + CompletionCondition>(completion_condition), + device_(device), + offset_(offset), + streambuf_(streambuf), + start_(0), + total_transferred_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_at_streambuf_op(const read_at_streambuf_op& other) + : detail::base_from_completion_cond<CompletionCondition>(other), + device_(other.device_), + offset_(other.offset_), + streambuf_(other.streambuf_), + start_(other.start_), + total_transferred_(other.total_transferred_), + handler_(other.handler_) + { + } + + read_at_streambuf_op(read_at_streambuf_op&& other) + : detail::base_from_completion_cond<CompletionCondition>(other), + device_(other.device_), + offset_(other.offset_), + streambuf_(other.streambuf_), + start_(other.start_), + total_transferred_(other.total_transferred_), + handler_(ASIO_MOVE_CAST(ReadHandler)(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, bytes_available; + switch (start_ = start) + { + case 1: + max_size = this->check_for_completion(ec, total_transferred_); + bytes_available = read_size_helper(streambuf_, max_size); + for (;;) + { + device_.async_read_some_at(offset_ + total_transferred_, + streambuf_.prepare(bytes_available), + ASIO_MOVE_CAST(read_at_streambuf_op)(*this)); + return; default: + total_transferred_ += bytes_transferred; + streambuf_.commit(bytes_transferred); + max_size = this->check_for_completion(ec, total_transferred_); + bytes_available = read_size_helper(streambuf_, max_size); + if ((!ec && bytes_transferred == 0) || bytes_available == 0) + break; + } + + handler_(ec, static_cast<const std::size_t&>(total_transferred_)); + } + } + + //private: + AsyncRandomAccessReadDevice& device_; + uint64_t offset_; + asio::basic_streambuf<Allocator>& streambuf_; + int start_; + std::size_t total_transferred_; + ReadHandler handler_; + }; + + template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition, typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition, typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition, typename ReadHandler> + inline bool asio_handler_is_continuation( + read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncRandomAccessReadDevice, + typename Allocator, typename CompletionCondition, typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncRandomAccessReadDevice, + typename Allocator, typename CompletionCondition, typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } +} // namespace detail + +template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename CompletionCondition, typename ReadHandler> +inline ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_at(AsyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b, + CompletionCondition completion_condition, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + CompletionCondition, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + d, offset, b, completion_condition, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +template <typename AsyncRandomAccessReadDevice, typename Allocator, + typename ReadHandler> +inline ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_at(AsyncRandomAccessReadDevice& d, + uint64_t offset, asio::basic_streambuf<Allocator>& b, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator, + detail::transfer_all_t, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + d, offset, b, transfer_all(), init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +#endif // !defined(ASIO_NO_IOSTREAM) + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // ASIO_IMPL_READ_AT_HPP
http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3e6c61e/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_until.hpp ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_until.hpp b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_until.hpp new file mode 100644 index 0000000..88f3b50 --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/read_until.hpp @@ -0,0 +1,1147 @@ +// +// impl/read_until.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 ASIO_IMPL_READ_UNTIL_HPP +#define ASIO_IMPL_READ_UNTIL_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <algorithm> +#include <string> +#include <vector> +#include <utility> +#include "asio/buffer.hpp" +#include "asio/buffers_iterator.hpp" +#include "asio/detail/bind_handler.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/limits.hpp" +#include "asio/detail/throw_error.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { + +template <typename SyncReadStream, typename Allocator> +inline std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, char delim) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_until(s, b, delim, ec); + asio::detail::throw_error(ec, "read_until"); + return bytes_transferred; +} + +template <typename SyncReadStream, typename Allocator> +std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, char delim, + asio::error_code& ec) +{ + std::size_t search_position = 0; + for (;;) + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = b.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position; + iterator end = iterator::end(buffers); + + // Look for a match. + iterator iter = std::find(start_pos, end, delim); + if (iter != end) + { + // Found a match. We're done. + ec = asio::error_code(); + return iter - begin + 1; + } + else + { + // No match. Next search can start with the new data. + search_position = end - begin; + } + + // Check if buffer is full. + if (b.size() == b.max_size()) + { + ec = error::not_found; + return 0; + } + + // Need more data. + std::size_t bytes_to_read = read_size_helper(b, 65536); + b.commit(s.read_some(b.prepare(bytes_to_read), ec)); + if (ec) + return 0; + } +} + +template <typename SyncReadStream, typename Allocator> +inline std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const std::string& delim) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_until(s, b, delim, ec); + asio::detail::throw_error(ec, "read_until"); + return bytes_transferred; +} + +namespace detail +{ + // Algorithm that finds a subsequence of equal values in a sequence. Returns + // (iterator,true) if a full match was found, in which case the iterator + // points to the beginning of the match. Returns (iterator,false) if a + // partial match was found at the end of the first sequence, in which case + // the iterator points to the beginning of the partial match. Returns + // (last1,false) if no full or partial match was found. + template <typename Iterator1, typename Iterator2> + std::pair<Iterator1, bool> partial_search( + Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2) + { + for (Iterator1 iter1 = first1; iter1 != last1; ++iter1) + { + Iterator1 test_iter1 = iter1; + Iterator2 test_iter2 = first2; + for (;; ++test_iter1, ++test_iter2) + { + if (test_iter2 == last2) + return std::make_pair(iter1, true); + if (test_iter1 == last1) + { + if (test_iter2 != first2) + return std::make_pair(iter1, false); + else + break; + } + if (*test_iter1 != *test_iter2) + break; + } + } + return std::make_pair(last1, false); + } +} // namespace detail + +template <typename SyncReadStream, typename Allocator> +std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const std::string& delim, + asio::error_code& ec) +{ + std::size_t search_position = 0; + for (;;) + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = b.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position; + iterator end = iterator::end(buffers); + + // Look for a match. + std::pair<iterator, bool> result = detail::partial_search( + start_pos, end, delim.begin(), delim.end()); + if (result.first != end) + { + if (result.second) + { + // Full match. We're done. + ec = asio::error_code(); + return result.first - begin + delim.length(); + } + else + { + // Partial match. Next search needs to start from beginning of match. + search_position = result.first - begin; + } + } + else + { + // No match. Next search can start with the new data. + search_position = end - begin; + } + + // Check if buffer is full. + if (b.size() == b.max_size()) + { + ec = error::not_found; + return 0; + } + + // Need more data. + std::size_t bytes_to_read = read_size_helper(b, 65536); + b.commit(s.read_some(b.prepare(bytes_to_read), ec)); + if (ec) + return 0; + } +} + +#if defined(ASIO_HAS_BOOST_REGEX) + +template <typename SyncReadStream, typename Allocator> +inline std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const boost::regex& expr) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_until(s, b, expr, ec); + asio::detail::throw_error(ec, "read_until"); + return bytes_transferred; +} + +template <typename SyncReadStream, typename Allocator> +std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const boost::regex& expr, + asio::error_code& ec) +{ + std::size_t search_position = 0; + for (;;) + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = b.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position; + iterator end = iterator::end(buffers); + + // Look for a match. + boost::match_results<iterator, + typename std::vector<boost::sub_match<iterator> >::allocator_type> + match_results; + if (regex_search(start_pos, end, match_results, expr, + boost::match_default | boost::match_partial)) + { + if (match_results[0].matched) + { + // Full match. We're done. + ec = asio::error_code(); + return match_results[0].second - begin; + } + else + { + // Partial match. Next search needs to start from beginning of match. + search_position = match_results[0].first - begin; + } + } + else + { + // No match. Next search can start with the new data. + search_position = end - begin; + } + + // Check if buffer is full. + if (b.size() == b.max_size()) + { + ec = error::not_found; + return 0; + } + + // Need more data. + std::size_t bytes_to_read = read_size_helper(b, 65536); + b.commit(s.read_some(b.prepare(bytes_to_read), ec)); + if (ec) + return 0; + } +} + +#endif // defined(ASIO_HAS_BOOST_REGEX) + +template <typename SyncReadStream, typename Allocator, typename MatchCondition> +std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, + MatchCondition match_condition, asio::error_code& ec, + typename enable_if<is_match_condition<MatchCondition>::value>::type*) +{ + std::size_t search_position = 0; + for (;;) + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = b.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position; + iterator end = iterator::end(buffers); + + // Look for a match. + std::pair<iterator, bool> result = match_condition(start_pos, end); + if (result.second) + { + // Full match. We're done. + ec = asio::error_code(); + return result.first - begin; + } + else if (result.first != end) + { + // Partial match. Next search needs to start from beginning of match. + search_position = result.first - begin; + } + else + { + // No match. Next search can start with the new data. + search_position = end - begin; + } + + // Check if buffer is full. + if (b.size() == b.max_size()) + { + ec = error::not_found; + return 0; + } + + // Need more data. + std::size_t bytes_to_read = read_size_helper(b, 65536); + b.commit(s.read_some(b.prepare(bytes_to_read), ec)); + if (ec) + return 0; + } +} + +template <typename SyncReadStream, typename Allocator, typename MatchCondition> +inline std::size_t read_until(SyncReadStream& s, + asio::basic_streambuf<Allocator>& b, MatchCondition match_condition, + typename enable_if<is_match_condition<MatchCondition>::value>::type*) +{ + asio::error_code ec; + std::size_t bytes_transferred = read_until(s, b, match_condition, ec); + asio::detail::throw_error(ec, "read_until"); + return bytes_transferred; +} + +namespace detail +{ + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + class read_until_delim_op + { + public: + read_until_delim_op(AsyncReadStream& stream, + asio::basic_streambuf<Allocator>& streambuf, + char delim, ReadHandler& handler) + : stream_(stream), + streambuf_(streambuf), + delim_(delim), + start_(0), + search_position_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_until_delim_op(const read_until_delim_op& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + delim_(other.delim_), + start_(other.start_), + search_position_(other.search_position_), + handler_(other.handler_) + { + } + + read_until_delim_op(read_until_delim_op&& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + delim_(other.delim_), + start_(other.start_), + search_position_(other.search_position_), + handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); + std::size_t bytes_to_read; + switch (start_ = start) + { + case 1: + for (;;) + { + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = streambuf_.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position_; + iterator end = iterator::end(buffers); + + // Look for a match. + iterator iter = std::find(start_pos, end, delim_); + if (iter != end) + { + // Found a match. We're done. + search_position_ = iter - begin + 1; + bytes_to_read = 0; + } + + // No match yet. Check if buffer is full. + else if (streambuf_.size() == streambuf_.max_size()) + { + search_position_ = not_found; + bytes_to_read = 0; + } + + // Need to read some more data. + else + { + // Next search can start with the new data. + search_position_ = end - begin; + bytes_to_read = read_size_helper(streambuf_, 65536); + } + } + + // Check if we're done. + if (!start && bytes_to_read == 0) + break; + + // Start a new asynchronous read operation to obtain more data. + stream_.async_read_some(streambuf_.prepare(bytes_to_read), + ASIO_MOVE_CAST(read_until_delim_op)(*this)); + return; default: + streambuf_.commit(bytes_transferred); + if (ec || bytes_transferred == 0) + break; + } + + const asio::error_code result_ec = + (search_position_ == not_found) + ? error::not_found : ec; + + const std::size_t result_n = + (ec || search_position_ == not_found) + ? 0 : search_position_; + + handler_(result_ec, result_n); + } + } + + //private: + AsyncReadStream& stream_; + asio::basic_streambuf<Allocator>& streambuf_; + char delim_; + int start_; + std::size_t search_position_; + ReadHandler handler_; + }; + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_until_delim_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_until_delim_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline bool asio_handler_is_continuation( + read_until_delim_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_until_delim_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_until_delim_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } +} // namespace detail + +template <typename AsyncReadStream, typename Allocator, typename ReadHandler> +ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_until(AsyncReadStream& s, + asio::basic_streambuf<Allocator>& b, char delim, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_until_delim_op<AsyncReadStream, + Allocator, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + s, b, delim, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +namespace detail +{ + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + class read_until_delim_string_op + { + public: + read_until_delim_string_op(AsyncReadStream& stream, + asio::basic_streambuf<Allocator>& streambuf, + const std::string& delim, ReadHandler& handler) + : stream_(stream), + streambuf_(streambuf), + delim_(delim), + start_(0), + search_position_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_until_delim_string_op(const read_until_delim_string_op& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + delim_(other.delim_), + start_(other.start_), + search_position_(other.search_position_), + handler_(other.handler_) + { + } + + read_until_delim_string_op(read_until_delim_string_op&& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + delim_(ASIO_MOVE_CAST(std::string)(other.delim_)), + start_(other.start_), + search_position_(other.search_position_), + handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); + std::size_t bytes_to_read; + switch (start_ = start) + { + case 1: + for (;;) + { + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = streambuf_.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position_; + iterator end = iterator::end(buffers); + + // Look for a match. + std::pair<iterator, bool> result = detail::partial_search( + start_pos, end, delim_.begin(), delim_.end()); + if (result.first != end && result.second) + { + // Full match. We're done. + search_position_ = result.first - begin + delim_.length(); + bytes_to_read = 0; + } + + // No match yet. Check if buffer is full. + else if (streambuf_.size() == streambuf_.max_size()) + { + search_position_ = not_found; + bytes_to_read = 0; + } + + // Need to read some more data. + else + { + if (result.first != end) + { + // Partial match. Next search needs to start from beginning of + // match. + search_position_ = result.first - begin; + } + else + { + // Next search can start with the new data. + search_position_ = end - begin; + } + + bytes_to_read = read_size_helper(streambuf_, 65536); + } + } + + // Check if we're done. + if (!start && bytes_to_read == 0) + break; + + // Start a new asynchronous read operation to obtain more data. + stream_.async_read_some(streambuf_.prepare(bytes_to_read), + ASIO_MOVE_CAST(read_until_delim_string_op)(*this)); + return; default: + streambuf_.commit(bytes_transferred); + if (ec || bytes_transferred == 0) + break; + } + + const asio::error_code result_ec = + (search_position_ == not_found) + ? error::not_found : ec; + + const std::size_t result_n = + (ec || search_position_ == not_found) + ? 0 : search_position_; + + handler_(result_ec, result_n); + } + } + + //private: + AsyncReadStream& stream_; + asio::basic_streambuf<Allocator>& streambuf_; + std::string delim_; + int start_; + std::size_t search_position_; + ReadHandler handler_; + }; + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_until_delim_string_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_until_delim_string_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, typename ReadHandler> + inline bool asio_handler_is_continuation( + read_until_delim_string_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, + typename Allocator, typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_until_delim_string_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, + typename Allocator, typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_until_delim_string_op<AsyncReadStream, + Allocator, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } +} // namespace detail + +template <typename AsyncReadStream, typename Allocator, typename ReadHandler> +ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_until(AsyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const std::string& delim, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_until_delim_string_op<AsyncReadStream, + Allocator, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + s, b, delim, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +#if defined(ASIO_HAS_BOOST_REGEX) + +namespace detail +{ + template <typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + class read_until_expr_op + { + public: + read_until_expr_op(AsyncReadStream& stream, + asio::basic_streambuf<Allocator>& streambuf, + const boost::regex& expr, ReadHandler& handler) + : stream_(stream), + streambuf_(streambuf), + expr_(expr), + start_(0), + search_position_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_until_expr_op(const read_until_expr_op& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + expr_(other.expr_), + start_(other.start_), + search_position_(other.search_position_), + handler_(other.handler_) + { + } + + read_until_expr_op(read_until_expr_op&& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + expr_(other.expr_), + start_(other.start_), + search_position_(other.search_position_), + handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); + std::size_t bytes_to_read; + switch (start_ = start) + { + case 1: + for (;;) + { + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = streambuf_.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position_; + iterator end = iterator::end(buffers); + + // Look for a match. + boost::match_results<iterator, + typename std::vector<boost::sub_match<iterator> >::allocator_type> + match_results; + bool match = regex_search(start_pos, end, match_results, expr_, + boost::match_default | boost::match_partial); + if (match && match_results[0].matched) + { + // Full match. We're done. + search_position_ = match_results[0].second - begin; + bytes_to_read = 0; + } + + // No match yet. Check if buffer is full. + else if (streambuf_.size() == streambuf_.max_size()) + { + search_position_ = not_found; + bytes_to_read = 0; + } + + // Need to read some more data. + else + { + if (match) + { + // Partial match. Next search needs to start from beginning of + // match. + search_position_ = match_results[0].first - begin; + } + else + { + // Next search can start with the new data. + search_position_ = end - begin; + } + + bytes_to_read = read_size_helper(streambuf_, 65536); + } + } + + // Check if we're done. + if (!start && bytes_to_read == 0) + break; + + // Start a new asynchronous read operation to obtain more data. + stream_.async_read_some(streambuf_.prepare(bytes_to_read), + ASIO_MOVE_CAST(read_until_expr_op)(*this)); + return; default: + streambuf_.commit(bytes_transferred); + if (ec || bytes_transferred == 0) + break; + } + + const asio::error_code result_ec = + (search_position_ == not_found) + ? error::not_found : ec; + + const std::size_t result_n = + (ec || search_position_ == not_found) + ? 0 : search_position_; + + handler_(result_ec, result_n); + } + } + + //private: + AsyncReadStream& stream_; + asio::basic_streambuf<Allocator>& streambuf_; + RegEx expr_; + int start_; + std::size_t search_position_; + ReadHandler handler_; + }; + + template <typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_until_expr_op<AsyncReadStream, + Allocator, RegEx, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_until_expr_op<AsyncReadStream, + Allocator, RegEx, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + inline bool asio_handler_is_continuation( + read_until_expr_op<AsyncReadStream, + Allocator, RegEx, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_until_expr_op<AsyncReadStream, + Allocator, RegEx, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename RegEx, typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_until_expr_op<AsyncReadStream, + Allocator, RegEx, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } +} // namespace detail + +template <typename AsyncReadStream, typename Allocator, typename ReadHandler> +ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_until(AsyncReadStream& s, + asio::basic_streambuf<Allocator>& b, const boost::regex& expr, + ASIO_MOVE_ARG(ReadHandler) handler) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_until_expr_op<AsyncReadStream, Allocator, + boost::regex, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + s, b, expr, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +#endif // defined(ASIO_HAS_BOOST_REGEX) + +namespace detail +{ + template <typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + class read_until_match_op + { + public: + read_until_match_op(AsyncReadStream& stream, + asio::basic_streambuf<Allocator>& streambuf, + MatchCondition match_condition, ReadHandler& handler) + : stream_(stream), + streambuf_(streambuf), + match_condition_(match_condition), + start_(0), + search_position_(0), + handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) + { + } + +#if defined(ASIO_HAS_MOVE) + read_until_match_op(const read_until_match_op& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + match_condition_(other.match_condition_), + start_(other.start_), + search_position_(other.search_position_), + handler_(other.handler_) + { + } + + read_until_match_op(read_until_match_op&& other) + : stream_(other.stream_), + streambuf_(other.streambuf_), + match_condition_(other.match_condition_), + start_(other.start_), + search_position_(other.search_position_), + handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) + { + } +#endif // defined(ASIO_HAS_MOVE) + + void operator()(const asio::error_code& ec, + std::size_t bytes_transferred, int start = 0) + { + const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); + std::size_t bytes_to_read; + switch (start_ = start) + { + case 1: + for (;;) + { + { + // Determine the range of the data to be searched. + typedef typename asio::basic_streambuf< + Allocator>::const_buffers_type const_buffers_type; + typedef asio::buffers_iterator<const_buffers_type> iterator; + const_buffers_type buffers = streambuf_.data(); + iterator begin = iterator::begin(buffers); + iterator start_pos = begin + search_position_; + iterator end = iterator::end(buffers); + + // Look for a match. + std::pair<iterator, bool> result = match_condition_(start_pos, end); + if (result.second) + { + // Full match. We're done. + search_position_ = result.first - begin; + bytes_to_read = 0; + } + + // No match yet. Check if buffer is full. + else if (streambuf_.size() == streambuf_.max_size()) + { + search_position_ = not_found; + bytes_to_read = 0; + } + + // Need to read some more data. + else + { + if (result.first != end) + { + // Partial match. Next search needs to start from beginning of + // match. + search_position_ = result.first - begin; + } + else + { + // Next search can start with the new data. + search_position_ = end - begin; + } + + bytes_to_read = read_size_helper(streambuf_, 65536); + } + } + + // Check if we're done. + if (!start && bytes_to_read == 0) + break; + + // Start a new asynchronous read operation to obtain more data. + stream_.async_read_some(streambuf_.prepare(bytes_to_read), + ASIO_MOVE_CAST(read_until_match_op)(*this)); + return; default: + streambuf_.commit(bytes_transferred); + if (ec || bytes_transferred == 0) + break; + } + + const asio::error_code result_ec = + (search_position_ == not_found) + ? error::not_found : ec; + + const std::size_t result_n = + (ec || search_position_ == not_found) + ? 0 : search_position_; + + handler_(result_ec, result_n); + } + } + + //private: + AsyncReadStream& stream_; + asio::basic_streambuf<Allocator>& streambuf_; + MatchCondition match_condition_; + int start_; + std::size_t search_position_; + ReadHandler handler_; + }; + + template <typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + inline void* asio_handler_allocate(std::size_t size, + read_until_match_op<AsyncReadStream, + Allocator, MatchCondition, ReadHandler>* this_handler) + { + return asio_handler_alloc_helpers::allocate( + size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + inline void asio_handler_deallocate(void* pointer, std::size_t size, + read_until_match_op<AsyncReadStream, + Allocator, MatchCondition, ReadHandler>* this_handler) + { + asio_handler_alloc_helpers::deallocate( + pointer, size, this_handler->handler_); + } + + template <typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + inline bool asio_handler_is_continuation( + read_until_match_op<AsyncReadStream, + Allocator, MatchCondition, ReadHandler>* this_handler) + { + return this_handler->start_ == 0 ? true + : asio_handler_cont_helpers::is_continuation( + this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + inline void asio_handler_invoke(Function& function, + read_until_match_op<AsyncReadStream, + Allocator, MatchCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } + + template <typename Function, typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> + inline void asio_handler_invoke(const Function& function, + read_until_match_op<AsyncReadStream, + Allocator, MatchCondition, ReadHandler>* this_handler) + { + asio_handler_invoke_helpers::invoke( + function, this_handler->handler_); + } +} // namespace detail + +template <typename AsyncReadStream, typename Allocator, + typename MatchCondition, typename ReadHandler> +ASIO_INITFN_RESULT_TYPE(ReadHandler, + void (asio::error_code, std::size_t)) +async_read_until(AsyncReadStream& s, + asio::basic_streambuf<Allocator>& b, + MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler, + typename enable_if<is_match_condition<MatchCondition>::value>::type*) +{ + // If you get an error on the following line it means that your handler does + // not meet the documented type requirements for a ReadHandler. + ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; + + detail::async_result_init< + ReadHandler, void (asio::error_code, std::size_t)> init( + ASIO_MOVE_CAST(ReadHandler)(handler)); + + detail::read_until_match_op<AsyncReadStream, Allocator, + MatchCondition, ASIO_HANDLER_TYPE(ReadHandler, + void (asio::error_code, std::size_t))>( + s, b, match_condition, init.handler)( + asio::error_code(), 0, 1); + + return init.result.get(); +} + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // ASIO_IMPL_READ_UNTIL_HPP http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3e6c61e/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.hpp ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.hpp b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.hpp new file mode 100644 index 0000000..bfdb08d --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.hpp @@ -0,0 +1,59 @@ +// +// impl/serial_port_base.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2008 Rep Invariant Systems, Inc. (i...@repinvariant.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_SERIAL_PORT_BASE_HPP +#define ASIO_IMPL_SERIAL_PORT_BASE_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/push_options.hpp" + +namespace asio { + +inline serial_port_base::baud_rate::baud_rate(unsigned int rate) + : value_(rate) +{ +} + +inline unsigned int serial_port_base::baud_rate::value() const +{ + return value_; +} + +inline serial_port_base::flow_control::type +serial_port_base::flow_control::value() const +{ + return value_; +} + +inline serial_port_base::parity::type serial_port_base::parity::value() const +{ + return value_; +} + +inline serial_port_base::stop_bits::type +serial_port_base::stop_bits::value() const +{ + return value_; +} + +inline unsigned int serial_port_base::character_size::value() const +{ + return value_; +} + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // ASIO_IMPL_SERIAL_PORT_BASE_HPP http://git-wip-us.apache.org/repos/asf/hadoop/blob/c3e6c61e/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.ipp ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.ipp b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.ipp new file mode 100644 index 0000000..60bed7f --- /dev/null +++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/native/libhdfspp/third_party/asio-1.10.2/include/asio/impl/serial_port_base.ipp @@ -0,0 +1,554 @@ +// +// impl/serial_port_base.ipp +// ~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2008 Rep Invariant Systems, Inc. (i...@repinvariant.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_SERIAL_PORT_BASE_IPP +#define ASIO_IMPL_SERIAL_PORT_BASE_IPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_HAS_SERIAL_PORT) + +#include <stdexcept> +#include "asio/error.hpp" +#include "asio/serial_port_base.hpp" +#include "asio/detail/throw_exception.hpp" + +#if defined(GENERATING_DOCUMENTATION) +# define ASIO_OPTION_STORAGE implementation_defined +#elif defined(ASIO_WINDOWS) || defined(__CYGWIN__) +# define ASIO_OPTION_STORAGE DCB +#else +# define ASIO_OPTION_STORAGE termios +#endif + +#include "asio/detail/push_options.hpp" + +namespace asio { + +asio::error_code serial_port_base::baud_rate::store( + ASIO_OPTION_STORAGE& storage, asio::error_code& ec) const +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + storage.BaudRate = value_; +#else + speed_t baud; + switch (value_) + { + // Do POSIX-specified rates first. + case 0: baud = B0; break; + case 50: baud = B50; break; + case 75: baud = B75; break; + case 110: baud = B110; break; + case 134: baud = B134; break; + case 150: baud = B150; break; + case 200: baud = B200; break; + case 300: baud = B300; break; + case 600: baud = B600; break; + case 1200: baud = B1200; break; + case 1800: baud = B1800; break; + case 2400: baud = B2400; break; + case 4800: baud = B4800; break; + case 9600: baud = B9600; break; + case 19200: baud = B19200; break; + case 38400: baud = B38400; break; + // And now the extended ones conditionally. +# ifdef B7200 + case 7200: baud = B7200; break; +# endif +# ifdef B14400 + case 14400: baud = B14400; break; +# endif +# ifdef B57600 + case 57600: baud = B57600; break; +# endif +# ifdef B115200 + case 115200: baud = B115200; break; +# endif +# ifdef B230400 + case 230400: baud = B230400; break; +# endif +# ifdef B460800 + case 460800: baud = B460800; break; +# endif +# ifdef B500000 + case 500000: baud = B500000; break; +# endif +# ifdef B576000 + case 576000: baud = B576000; break; +# endif +# ifdef B921600 + case 921600: baud = B921600; break; +# endif +# ifdef B1000000 + case 1000000: baud = B1000000; break; +# endif +# ifdef B1152000 + case 1152000: baud = B1152000; break; +# endif +# ifdef B2000000 + case 2000000: baud = B2000000; break; +# endif +# ifdef B3000000 + case 3000000: baud = B3000000; break; +# endif +# ifdef B3500000 + case 3500000: baud = B3500000; break; +# endif +# ifdef B4000000 + case 4000000: baud = B4000000; break; +# endif + default: + ec = asio::error::invalid_argument; + return ec; + } +# if defined(_BSD_SOURCE) + ::cfsetspeed(&storage, baud); +# else + ::cfsetispeed(&storage, baud); + ::cfsetospeed(&storage, baud); +# endif +#endif + ec = asio::error_code(); + return ec; +} + +asio::error_code serial_port_base::baud_rate::load( + const ASIO_OPTION_STORAGE& storage, asio::error_code& ec) +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + value_ = storage.BaudRate; +#else + speed_t baud = ::cfgetospeed(&storage); + switch (baud) + { + // First do those specified by POSIX. + case B0: value_ = 0; break; + case B50: value_ = 50; break; + case B75: value_ = 75; break; + case B110: value_ = 110; break; + case B134: value_ = 134; break; + case B150: value_ = 150; break; + case B200: value_ = 200; break; + case B300: value_ = 300; break; + case B600: value_ = 600; break; + case B1200: value_ = 1200; break; + case B1800: value_ = 1800; break; + case B2400: value_ = 2400; break; + case B4800: value_ = 4800; break; + case B9600: value_ = 9600; break; + case B19200: value_ = 19200; break; + case B38400: value_ = 38400; break; + // Now conditionally handle a bunch of extended rates. +# ifdef B7200 + case B7200: value_ = 7200; break; +# endif +# ifdef B14400 + case B14400: value_ = 14400; break; +# endif +# ifdef B57600 + case B57600: value_ = 57600; break; +# endif +# ifdef B115200 + case B115200: value_ = 115200; break; +# endif +# ifdef B230400 + case B230400: value_ = 230400; break; +# endif +# ifdef B460800 + case B460800: value_ = 460800; break; +# endif +# ifdef B500000 + case B500000: value_ = 500000; break; +# endif +# ifdef B576000 + case B576000: value_ = 576000; break; +# endif +# ifdef B921600 + case B921600: value_ = 921600; break; +# endif +# ifdef B1000000 + case B1000000: value_ = 1000000; break; +# endif +# ifdef B1152000 + case B1152000: value_ = 1152000; break; +# endif +# ifdef B2000000 + case B2000000: value_ = 2000000; break; +# endif +# ifdef B3000000 + case B3000000: value_ = 3000000; break; +# endif +# ifdef B3500000 + case B3500000: value_ = 3500000; break; +# endif +# ifdef B4000000 + case B4000000: value_ = 4000000; break; +# endif + default: + value_ = 0; + ec = asio::error::invalid_argument; + return ec; + } +#endif + ec = asio::error_code(); + return ec; +} + +serial_port_base::flow_control::flow_control( + serial_port_base::flow_control::type t) + : value_(t) +{ + if (t != none && t != software && t != hardware) + { + std::out_of_range ex("invalid flow_control value"); + asio::detail::throw_exception(ex); + } +} + +asio::error_code serial_port_base::flow_control::store( + ASIO_OPTION_STORAGE& storage, asio::error_code& ec) const +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + storage.fOutxCtsFlow = FALSE; + storage.fOutxDsrFlow = FALSE; + storage.fTXContinueOnXoff = TRUE; + storage.fDtrControl = DTR_CONTROL_ENABLE; + storage.fDsrSensitivity = FALSE; + storage.fOutX = FALSE; + storage.fInX = FALSE; + storage.fRtsControl = RTS_CONTROL_ENABLE; + switch (value_) + { + case none: + break; + case software: + storage.fOutX = TRUE; + storage.fInX = TRUE; + break; + case hardware: + storage.fOutxCtsFlow = TRUE; + storage.fRtsControl = RTS_CONTROL_HANDSHAKE; + break; + default: + break; + } +#else + switch (value_) + { + case none: + storage.c_iflag &= ~(IXOFF | IXON); +# if defined(_BSD_SOURCE) + storage.c_cflag &= ~CRTSCTS; +# elif defined(__QNXNTO__) + storage.c_cflag &= ~(IHFLOW | OHFLOW); +# endif + break; + case software: + storage.c_iflag |= IXOFF | IXON; +# if defined(_BSD_SOURCE) + storage.c_cflag &= ~CRTSCTS; +# elif defined(__QNXNTO__) + storage.c_cflag &= ~(IHFLOW | OHFLOW); +# endif + break; + case hardware: +# if defined(_BSD_SOURCE) + storage.c_iflag &= ~(IXOFF | IXON); + storage.c_cflag |= CRTSCTS; + break; +# elif defined(__QNXNTO__) + storage.c_iflag &= ~(IXOFF | IXON); + storage.c_cflag |= (IHFLOW | OHFLOW); + break; +# else + ec = asio::error::operation_not_supported; + return ec; +# endif + default: + break; + } +#endif + ec = asio::error_code(); + return ec; +} + +asio::error_code serial_port_base::flow_control::load( + const ASIO_OPTION_STORAGE& storage, asio::error_code& ec) +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + if (storage.fOutX && storage.fInX) + { + value_ = software; + } + else if (storage.fOutxCtsFlow && storage.fRtsControl == RTS_CONTROL_HANDSHAKE) + { + value_ = hardware; + } + else + { + value_ = none; + } +#else + if (storage.c_iflag & (IXOFF | IXON)) + { + value_ = software; + } +# if defined(_BSD_SOURCE) + else if (storage.c_cflag & CRTSCTS) + { + value_ = hardware; + } +# elif defined(__QNXNTO__) + else if (storage.c_cflag & IHFLOW && storage.c_cflag & OHFLOW) + { + value_ = hardware; + } +# endif + else + { + value_ = none; + } +#endif + ec = asio::error_code(); + return ec; +} + +serial_port_base::parity::parity(serial_port_base::parity::type t) + : value_(t) +{ + if (t != none && t != odd && t != even) + { + std::out_of_range ex("invalid parity value"); + asio::detail::throw_exception(ex); + } +} + +asio::error_code serial_port_base::parity::store( + ASIO_OPTION_STORAGE& storage, asio::error_code& ec) const +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + switch (value_) + { + case none: + storage.fParity = FALSE; + storage.Parity = NOPARITY; + break; + case odd: + storage.fParity = TRUE; + storage.Parity = ODDPARITY; + break; + case even: + storage.fParity = TRUE; + storage.Parity = EVENPARITY; + break; + default: + break; + } +#else + switch (value_) + { + case none: + storage.c_iflag |= IGNPAR; + storage.c_cflag &= ~(PARENB | PARODD); + break; + case even: + storage.c_iflag &= ~(IGNPAR | PARMRK); + storage.c_iflag |= INPCK; + storage.c_cflag |= PARENB; + storage.c_cflag &= ~PARODD; + break; + case odd: + storage.c_iflag &= ~(IGNPAR | PARMRK); + storage.c_iflag |= INPCK; + storage.c_cflag |= (PARENB | PARODD); + break; + default: + break; + } +#endif + ec = asio::error_code(); + return ec; +} + +asio::error_code serial_port_base::parity::load( + const ASIO_OPTION_STORAGE& storage, asio::error_code& ec) +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + if (storage.Parity == EVENPARITY) + { + value_ = even; + } + else if (storage.Parity == ODDPARITY) + { + value_ = odd; + } + else + { + value_ = none; + } +#else + if (storage.c_cflag & PARENB) + { + if (storage.c_cflag & PARODD) + { + value_ = odd; + } + else + { + value_ = even; + } + } + else + { + value_ = none; + } +#endif + ec = asio::error_code(); + return ec; +} + +serial_port_base::stop_bits::stop_bits( + serial_port_base::stop_bits::type t) + : value_(t) +{ + if (t != one && t != onepointfive && t != two) + { + std::out_of_range ex("invalid stop_bits value"); + asio::detail::throw_exception(ex); + } +} + +asio::error_code serial_port_base::stop_bits::store( + ASIO_OPTION_STORAGE& storage, asio::error_code& ec) const +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + switch (value_) + { + case one: + storage.StopBits = ONESTOPBIT; + break; + case onepointfive: + storage.StopBits = ONE5STOPBITS; + break; + case two: + storage.StopBits = TWOSTOPBITS; + break; + default: + break; + } +#else + switch (value_) + { + case one: + storage.c_cflag &= ~CSTOPB; + break; + case two: + storage.c_cflag |= CSTOPB; + break; + default: + ec = asio::error::operation_not_supported; + return ec; + } +#endif + ec = asio::error_code(); + return ec; +} + +asio::error_code serial_port_base::stop_bits::load( + const ASIO_OPTION_STORAGE& storage, asio::error_code& ec) +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + if (storage.StopBits == ONESTOPBIT) + { + value_ = one; + } + else if (storage.StopBits == ONE5STOPBITS) + { + value_ = onepointfive; + } + else if (storage.StopBits == TWOSTOPBITS) + { + value_ = two; + } + else + { + value_ = one; + } +#else + value_ = (storage.c_cflag & CSTOPB) ? two : one; +#endif + ec = asio::error_code(); + return ec; +} + +serial_port_base::character_size::character_size(unsigned int t) + : value_(t) +{ + if (t < 5 || t > 8) + { + std::out_of_range ex("invalid character_size value"); + asio::detail::throw_exception(ex); + } +} + +asio::error_code serial_port_base::character_size::store( + ASIO_OPTION_STORAGE& storage, asio::error_code& ec) const +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + storage.ByteSize = value_; +#else + storage.c_cflag &= ~CSIZE; + switch (value_) + { + case 5: storage.c_cflag |= CS5; break; + case 6: storage.c_cflag |= CS6; break; + case 7: storage.c_cflag |= CS7; break; + case 8: storage.c_cflag |= CS8; break; + default: break; + } +#endif + ec = asio::error_code(); + return ec; +} + +asio::error_code serial_port_base::character_size::load( + const ASIO_OPTION_STORAGE& storage, asio::error_code& ec) +{ +#if defined(ASIO_WINDOWS) || defined(__CYGWIN__) + value_ = storage.ByteSize; +#else + if ((storage.c_cflag & CSIZE) == CS5) { value_ = 5; } + else if ((storage.c_cflag & CSIZE) == CS6) { value_ = 6; } + else if ((storage.c_cflag & CSIZE) == CS7) { value_ = 7; } + else if ((storage.c_cflag & CSIZE) == CS8) { value_ = 8; } + else + { + // Hmmm, use 8 for now. + value_ = 8; + } +#endif + ec = asio::error_code(); + return ec; +} + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#undef ASIO_OPTION_STORAGE + +#endif // defined(ASIO_HAS_SERIAL_PORT) + +#endif // ASIO_IMPL_SERIAL_PORT_BASE_IPP
