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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/impl/buffered_write_stream.hpp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/impl/buffered_write_stream.hpp')
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diff --git a/lib/asio/impl/buffered_write_stream.hpp b/lib/asio/impl/buffered_write_stream.hpp
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-//
-// impl/buffered_write_stream.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_IMPL_BUFFERED_WRITE_STREAM_HPP
-#define ASIO_IMPL_BUFFERED_WRITE_STREAM_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/associated_allocator.hpp"
-#include "asio/associated_executor.hpp"
-#include "asio/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/push_options.hpp"
-
-namespace asio {
-
-template <typename Stream>
-std::size_t buffered_write_stream<Stream>::flush()
-{
- std::size_t bytes_written = write(next_layer_,
- buffer(storage_.data(), storage_.size()));
- storage_.consume(bytes_written);
- return bytes_written;
-}
-
-template <typename Stream>
-std::size_t buffered_write_stream<Stream>::flush(asio::error_code& ec)
-{
- std::size_t bytes_written = write(next_layer_,
- buffer(storage_.data(), storage_.size()),
- transfer_all(), ec);
- storage_.consume(bytes_written);
- return bytes_written;
-}
-
-namespace detail
-{
- template <typename WriteHandler>
- class buffered_flush_handler
- {
- public:
- buffered_flush_handler(detail::buffered_stream_storage& storage,
- WriteHandler& handler)
- : storage_(storage),
- handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
- {
- }
-
-#if defined(ASIO_HAS_MOVE)
- buffered_flush_handler(const buffered_flush_handler& other)
- : storage_(other.storage_),
- handler_(other.handler_)
- {
- }
-
- buffered_flush_handler(buffered_flush_handler&& other)
- : storage_(other.storage_),
- handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
- {
- }
-#endif // defined(ASIO_HAS_MOVE)
-
- void operator()(const asio::error_code& ec,
- const std::size_t bytes_written)
- {
- storage_.consume(bytes_written);
- handler_(ec, bytes_written);
- }
-
- //private:
- detail::buffered_stream_storage& storage_;
- WriteHandler handler_;
- };
-
- template <typename WriteHandler>
- inline void* asio_handler_allocate(std::size_t size,
- buffered_flush_handler<WriteHandler>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename WriteHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- buffered_flush_handler<WriteHandler>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename WriteHandler>
- inline bool asio_handler_is_continuation(
- buffered_flush_handler<WriteHandler>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename WriteHandler>
- inline void asio_handler_invoke(Function& function,
- buffered_flush_handler<WriteHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Function, typename WriteHandler>
- inline void asio_handler_invoke(const Function& function,
- buffered_flush_handler<WriteHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-} // namespace detail
-
-#if !defined(GENERATING_DOCUMENTATION)
-
-template <typename WriteHandler, typename Allocator>
-struct associated_allocator<
- detail::buffered_flush_handler<WriteHandler>, Allocator>
-{
- typedef typename associated_allocator<WriteHandler, Allocator>::type type;
-
- static type get(const detail::buffered_flush_handler<WriteHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
- }
-};
-
-template <typename WriteHandler, typename Executor>
-struct associated_executor<
- detail::buffered_flush_handler<WriteHandler>, Executor>
-{
- typedef typename associated_executor<WriteHandler, Executor>::type type;
-
- static type get(const detail::buffered_flush_handler<WriteHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
- }
-};
-
-#endif // !defined(GENERATING_DOCUMENTATION)
-
-template <typename Stream>
-template <typename WriteHandler>
-ASIO_INITFN_RESULT_TYPE(WriteHandler,
- void (asio::error_code, std::size_t))
-buffered_write_stream<Stream>::async_flush(
- ASIO_MOVE_ARG(WriteHandler) handler)
-{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WriteHandler.
- ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
- async_completion<WriteHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- async_write(next_layer_, buffer(storage_.data(), storage_.size()),
- detail::buffered_flush_handler<ASIO_HANDLER_TYPE(
- WriteHandler, void (asio::error_code, std::size_t))>(
- storage_, init.completion_handler));
-
- return init.result.get();
-}
-
-template <typename Stream>
-template <typename ConstBufferSequence>
-std::size_t buffered_write_stream<Stream>::write_some(
- const ConstBufferSequence& buffers)
-{
- using asio::buffer_size;
- if (buffer_size(buffers) == 0)
- return 0;
-
- if (storage_.size() == storage_.capacity())
- this->flush();
-
- return this->copy(buffers);
-}
-
-template <typename Stream>
-template <typename ConstBufferSequence>
-std::size_t buffered_write_stream<Stream>::write_some(
- const ConstBufferSequence& buffers, asio::error_code& ec)
-{
- ec = asio::error_code();
-
- using asio::buffer_size;
- if (buffer_size(buffers) == 0)
- return 0;
-
- if (storage_.size() == storage_.capacity() && !flush(ec))
- return 0;
-
- return this->copy(buffers);
-}
-
-namespace detail
-{
- template <typename ConstBufferSequence, typename WriteHandler>
- class buffered_write_some_handler
- {
- public:
- buffered_write_some_handler(detail::buffered_stream_storage& storage,
- const ConstBufferSequence& buffers, WriteHandler& handler)
- : storage_(storage),
- buffers_(buffers),
- handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
- {
- }
-
-#if defined(ASIO_HAS_MOVE)
- buffered_write_some_handler(const buffered_write_some_handler& other)
- : storage_(other.storage_),
- buffers_(other.buffers_),
- handler_(other.handler_)
- {
- }
-
- buffered_write_some_handler(buffered_write_some_handler&& other)
- : storage_(other.storage_),
- buffers_(other.buffers_),
- handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
- {
- }
-#endif // defined(ASIO_HAS_MOVE)
-
- void operator()(const asio::error_code& ec, std::size_t)
- {
- if (ec)
- {
- const std::size_t length = 0;
- handler_(ec, length);
- }
- else
- {
- using asio::buffer_size;
- std::size_t orig_size = storage_.size();
- std::size_t space_avail = storage_.capacity() - orig_size;
- std::size_t bytes_avail = buffer_size(buffers_);
- std::size_t length = bytes_avail < space_avail
- ? bytes_avail : space_avail;
- storage_.resize(orig_size + length);
- const std::size_t bytes_copied = asio::buffer_copy(
- storage_.data() + orig_size, buffers_, length);
- handler_(ec, bytes_copied);
- }
- }
-
- //private:
- detail::buffered_stream_storage& storage_;
- ConstBufferSequence buffers_;
- WriteHandler handler_;
- };
-
- template <typename ConstBufferSequence, typename WriteHandler>
- inline void* asio_handler_allocate(std::size_t size,
- buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename ConstBufferSequence, typename WriteHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename ConstBufferSequence, typename WriteHandler>
- inline bool asio_handler_is_continuation(
- buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>* this_handler)
- {
- return asio_handler_cont_helpers::is_continuation(
- this_handler->handler_);
- }
-
- template <typename Function, typename ConstBufferSequence,
- typename WriteHandler>
- inline void asio_handler_invoke(Function& function,
- buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-
- template <typename Function, typename ConstBufferSequence,
- typename WriteHandler>
- inline void asio_handler_invoke(const Function& function,
- buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
-} // namespace detail
-
-#if !defined(GENERATING_DOCUMENTATION)
-
-template <typename ConstBufferSequence,
- typename WriteHandler, typename Allocator>
-struct associated_allocator<
- detail::buffered_write_some_handler<ConstBufferSequence, WriteHandler>,
- Allocator>
-{
- typedef typename associated_allocator<WriteHandler, Allocator>::type type;
-
- static type get(
- const detail::buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
- }
-};
-
-template <typename ConstBufferSequence,
- typename WriteHandler, typename Executor>
-struct associated_executor<
- detail::buffered_write_some_handler<ConstBufferSequence, WriteHandler>,
- Executor>
-{
- typedef typename associated_executor<WriteHandler, Executor>::type type;
-
- static type get(
- const detail::buffered_write_some_handler<
- ConstBufferSequence, WriteHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
- {
- return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
- }
-};
-
-#endif // !defined(GENERATING_DOCUMENTATION)
-
-template <typename Stream>
-template <typename ConstBufferSequence, typename WriteHandler>
-ASIO_INITFN_RESULT_TYPE(WriteHandler,
- void (asio::error_code, std::size_t))
-buffered_write_stream<Stream>::async_write_some(
- const ConstBufferSequence& buffers,
- ASIO_MOVE_ARG(WriteHandler) handler)
-{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WriteHandler.
- ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
- async_completion<WriteHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- using asio::buffer_size;
- if (buffer_size(buffers) == 0
- || storage_.size() < storage_.capacity())
- {
- next_layer_.async_write_some(ASIO_CONST_BUFFER(0, 0),
- detail::buffered_write_some_handler<
- ConstBufferSequence, ASIO_HANDLER_TYPE(
- WriteHandler, void (asio::error_code, std::size_t))>(
- storage_, buffers, init.completion_handler));
- }
- else
- {
- this->async_flush(detail::buffered_write_some_handler<
- ConstBufferSequence, ASIO_HANDLER_TYPE(
- WriteHandler, void (asio::error_code, std::size_t))>(
- storage_, buffers, init.completion_handler));
- }
-
- return init.result.get();
-}
-
-template <typename Stream>
-template <typename ConstBufferSequence>
-std::size_t buffered_write_stream<Stream>::copy(
- const ConstBufferSequence& buffers)
-{
- using asio::buffer_size;
- std::size_t orig_size = storage_.size();
- std::size_t space_avail = storage_.capacity() - orig_size;
- std::size_t bytes_avail = buffer_size(buffers);
- std::size_t length = bytes_avail < space_avail ? bytes_avail : space_avail;
- storage_.resize(orig_size + length);
- return asio::buffer_copy(
- storage_.data() + orig_size, buffers, length);
-}
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_IMPL_BUFFERED_WRITE_STREAM_HPP