summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/src/boost/asio/impl/buffered_read_stream.hpp')
-rw-r--r--3rdParty/Boost/src/boost/asio/impl/buffered_read_stream.hpp360
1 files changed, 360 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/impl/buffered_read_stream.hpp b/3rdParty/Boost/src/boost/asio/impl/buffered_read_stream.hpp
new file mode 100644
index 0000000..00bc204
--- /dev/null
+++ b/3rdParty/Boost/src/boost/asio/impl/buffered_read_stream.hpp
@@ -0,0 +1,360 @@
+//
+// impl/buffered_read_stream.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_ASIO_IMPL_BUFFERED_READ_STREAM_HPP
+#define BOOST_ASIO_IMPL_BUFFERED_READ_STREAM_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/handler_alloc_helpers.hpp>
+#include <boost/asio/detail/handler_cont_helpers.hpp>
+#include <boost/asio/detail/handler_invoke_helpers.hpp>
+#include <boost/asio/detail/handler_type_requirements.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+
+template <typename Stream>
+std::size_t buffered_read_stream<Stream>::fill()
+{
+ detail::buffer_resize_guard<detail::buffered_stream_storage>
+ resize_guard(storage_);
+ std::size_t previous_size = storage_.size();
+ storage_.resize(storage_.capacity());
+ storage_.resize(previous_size + next_layer_.read_some(buffer(
+ storage_.data() + previous_size,
+ storage_.size() - previous_size)));
+ resize_guard.commit();
+ return storage_.size() - previous_size;
+}
+
+template <typename Stream>
+std::size_t buffered_read_stream<Stream>::fill(boost::system::error_code& ec)
+{
+ detail::buffer_resize_guard<detail::buffered_stream_storage>
+ resize_guard(storage_);
+ std::size_t previous_size = storage_.size();
+ storage_.resize(storage_.capacity());
+ storage_.resize(previous_size + next_layer_.read_some(buffer(
+ storage_.data() + previous_size,
+ storage_.size() - previous_size),
+ ec));
+ resize_guard.commit();
+ return storage_.size() - previous_size;
+}
+
+namespace detail
+{
+ template <typename ReadHandler>
+ class buffered_fill_handler
+ {
+ public:
+ buffered_fill_handler(detail::buffered_stream_storage& storage,
+ std::size_t previous_size, ReadHandler& handler)
+ : storage_(storage),
+ previous_size_(previous_size),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ buffered_fill_handler(const buffered_fill_handler& other)
+ : storage_(other.storage_),
+ previous_size_(other.previous_size_),
+ handler_(other.handler_)
+ {
+ }
+
+ buffered_fill_handler(buffered_fill_handler&& other)
+ : storage_(other.storage_),
+ previous_size_(other.previous_size_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::error_code& ec,
+ const std::size_t bytes_transferred)
+ {
+ storage_.resize(previous_size_ + bytes_transferred);
+ handler_(ec, bytes_transferred);
+ }
+
+ //private:
+ detail::buffered_stream_storage& storage_;
+ std::size_t previous_size_;
+ ReadHandler handler_;
+ };
+
+ template <typename ReadHandler>
+ inline void* asio_handler_allocate(std::size_t size,
+ buffered_fill_handler<ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ buffered_fill_handler<ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+ }
+
+ template <typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ buffered_fill_handler<ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ buffered_fill_handler<ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ buffered_fill_handler<ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+} // namespace detail
+
+template <typename Stream>
+template <typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+buffered_read_stream<Stream>::async_fill(
+ BOOST_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.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ detail::async_result_init<
+ ReadHandler, void (boost::system::error_code, std::size_t)> init(
+ BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
+
+ std::size_t previous_size = storage_.size();
+ storage_.resize(storage_.capacity());
+ next_layer_.async_read_some(
+ buffer(
+ storage_.data() + previous_size,
+ storage_.size() - previous_size),
+ detail::buffered_fill_handler<BOOST_ASIO_HANDLER_TYPE(
+ ReadHandler, void (boost::system::error_code, std::size_t))>(
+ storage_, previous_size, init.handler));
+
+ return init.result.get();
+}
+
+template <typename Stream>
+template <typename MutableBufferSequence>
+std::size_t buffered_read_stream<Stream>::read_some(
+ const MutableBufferSequence& buffers)
+{
+ if (boost::asio::buffer_size(buffers) == 0)
+ return 0;
+
+ if (storage_.empty())
+ this->fill();
+
+ return this->copy(buffers);
+}
+
+template <typename Stream>
+template <typename MutableBufferSequence>
+std::size_t buffered_read_stream<Stream>::read_some(
+ const MutableBufferSequence& buffers, boost::system::error_code& ec)
+{
+ ec = boost::system::error_code();
+
+ if (boost::asio::buffer_size(buffers) == 0)
+ return 0;
+
+ if (storage_.empty() && !this->fill(ec))
+ return 0;
+
+ return this->copy(buffers);
+}
+
+namespace detail
+{
+ template <typename MutableBufferSequence, typename ReadHandler>
+ class buffered_read_some_handler
+ {
+ public:
+ buffered_read_some_handler(detail::buffered_stream_storage& storage,
+ const MutableBufferSequence& buffers, ReadHandler& handler)
+ : storage_(storage),
+ buffers_(buffers),
+ handler_(handler)
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ buffered_read_some_handler(const buffered_read_some_handler& other)
+ : storage_(other.storage_),
+ buffers_(other.buffers_),
+ handler_(other.handler_)
+ {
+ }
+
+ buffered_read_some_handler(buffered_read_some_handler&& other)
+ : storage_(other.storage_),
+ buffers_(other.buffers_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::error_code& ec, std::size_t)
+ {
+ if (ec || storage_.empty())
+ {
+ const std::size_t length = 0;
+ handler_(ec, length);
+ }
+ else
+ {
+ const std::size_t bytes_copied = boost::asio::buffer_copy(
+ buffers_, storage_.data(), storage_.size());
+ storage_.consume(bytes_copied);
+ handler_(ec, bytes_copied);
+ }
+ }
+
+ //private:
+ detail::buffered_stream_storage& storage_;
+ MutableBufferSequence buffers_;
+ ReadHandler handler_;
+ };
+
+ template <typename MutableBufferSequence, typename ReadHandler>
+ inline void* asio_handler_allocate(std::size_t size,
+ buffered_read_some_handler<
+ MutableBufferSequence, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename MutableBufferSequence, typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ buffered_read_some_handler<
+ MutableBufferSequence, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+ }
+
+ template <typename MutableBufferSequence, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ buffered_read_some_handler<
+ MutableBufferSequence, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename MutableBufferSequence,
+ typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ buffered_read_some_handler<
+ MutableBufferSequence, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename MutableBufferSequence,
+ typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ buffered_read_some_handler<
+ MutableBufferSequence, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+} // namespace detail
+
+template <typename Stream>
+template <typename MutableBufferSequence, typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+buffered_read_stream<Stream>::async_read_some(
+ const MutableBufferSequence& buffers,
+ BOOST_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.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ detail::async_result_init<
+ ReadHandler, void (boost::system::error_code, std::size_t)> init(
+ BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
+
+ if (boost::asio::buffer_size(buffers) == 0 || !storage_.empty())
+ {
+ next_layer_.async_read_some(boost::asio::mutable_buffers_1(0, 0),
+ detail::buffered_read_some_handler<
+ MutableBufferSequence, BOOST_ASIO_HANDLER_TYPE(
+ ReadHandler, void (boost::system::error_code, std::size_t))>(
+ storage_, buffers, init.handler));
+ }
+ else
+ {
+ this->async_fill(detail::buffered_read_some_handler<
+ MutableBufferSequence, BOOST_ASIO_HANDLER_TYPE(
+ ReadHandler, void (boost::system::error_code, std::size_t))>(
+ storage_, buffers, init.handler));
+ }
+
+ return init.result.get();
+}
+
+template <typename Stream>
+template <typename MutableBufferSequence>
+std::size_t buffered_read_stream<Stream>::peek(
+ const MutableBufferSequence& buffers)
+{
+ if (storage_.empty())
+ this->fill();
+ return this->peek_copy(buffers);
+}
+
+template <typename Stream>
+template <typename MutableBufferSequence>
+std::size_t buffered_read_stream<Stream>::peek(
+ const MutableBufferSequence& buffers, boost::system::error_code& ec)
+{
+ ec = boost::system::error_code();
+ if (storage_.empty() && !this->fill(ec))
+ return 0;
+ return this->peek_copy(buffers);
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IMPL_BUFFERED_READ_STREAM_HPP