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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/asio/impl/write.ipp
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+//
+// write.ipp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2008 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_WRITE_IPP
+#define BOOST_ASIO_WRITE_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/completion_condition.hpp>
+#include <boost/asio/detail/bind_handler.hpp>
+#include <boost/asio/detail/consuming_buffers.hpp>
+#include <boost/asio/detail/handler_alloc_helpers.hpp>
+#include <boost/asio/detail/handler_invoke_helpers.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+
+namespace boost {
+namespace asio {
+
+template <typename SyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition>
+std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
+ CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+ ec = boost::system::error_code();
+ boost::asio::detail::consuming_buffers<
+ const_buffer, ConstBufferSequence> tmp(buffers);
+ std::size_t total_transferred = 0;
+ tmp.set_max_size(detail::adapt_completion_condition_result(
+ completion_condition(ec, total_transferred)));
+ while (tmp.begin() != tmp.end())
+ {
+ std::size_t bytes_transferred = s.write_some(tmp, ec);
+ tmp.consume(bytes_transferred);
+ total_transferred += bytes_transferred;
+ tmp.set_max_size(detail::adapt_completion_condition_result(
+ completion_condition(ec, total_transferred)));
+ }
+ return total_transferred;
+}
+
+template <typename SyncWriteStream, typename ConstBufferSequence>
+inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = write(s, buffers, transfer_all(), ec);
+ boost::asio::detail::throw_error(ec);
+ return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition>
+inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
+ CompletionCondition completion_condition)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = write(s, buffers, completion_condition, ec);
+ boost::asio::detail::throw_error(ec);
+ return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename Allocator,
+ typename CompletionCondition>
+std::size_t write(SyncWriteStream& s,
+ boost::asio::basic_streambuf<Allocator>& b,
+ CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+ std::size_t bytes_transferred = write(s, b.data(), completion_condition, ec);
+ b.consume(bytes_transferred);
+ return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename Allocator>
+inline std::size_t write(SyncWriteStream& s,
+ boost::asio::basic_streambuf<Allocator>& b)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = write(s, b, transfer_all(), ec);
+ boost::asio::detail::throw_error(ec);
+ return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename Allocator,
+ typename CompletionCondition>
+inline std::size_t write(SyncWriteStream& s,
+ boost::asio::basic_streambuf<Allocator>& b,
+ CompletionCondition completion_condition)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = write(s, b, completion_condition, ec);
+ boost::asio::detail::throw_error(ec);
+ return bytes_transferred;
+}
+
+namespace detail
+{
+ template <typename AsyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition, typename WriteHandler>
+ class write_handler
+ {
+ public:
+ typedef boost::asio::detail::consuming_buffers<
+ const_buffer, ConstBufferSequence> buffers_type;
+
+ write_handler(AsyncWriteStream& stream, const buffers_type& buffers,
+ CompletionCondition completion_condition, WriteHandler handler)
+ : stream_(stream),
+ buffers_(buffers),
+ total_transferred_(0),
+ completion_condition_(completion_condition),
+ handler_(handler)
+ {
+ }
+
+ void operator()(const boost::system::error_code& ec,
+ std::size_t bytes_transferred)
+ {
+ total_transferred_ += bytes_transferred;
+ buffers_.consume(bytes_transferred);
+ buffers_.set_max_size(detail::adapt_completion_condition_result(
+ completion_condition_(ec, total_transferred_)));
+ if (buffers_.begin() == buffers_.end())
+ {
+ handler_(ec, total_transferred_);
+ }
+ else
+ {
+ stream_.async_write_some(buffers_, *this);
+ }
+ }
+
+ //private:
+ AsyncWriteStream& stream_;
+ buffers_type buffers_;
+ std::size_t total_transferred_;
+ CompletionCondition completion_condition_;
+ WriteHandler handler_;
+ };
+
+ template <typename AsyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition, typename WriteHandler>
+ inline void* asio_handler_allocate(std::size_t size,
+ write_handler<AsyncWriteStream, ConstBufferSequence,
+ CompletionCondition, WriteHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, &this_handler->handler_);
+ }
+
+ template <typename AsyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition, typename WriteHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ write_handler<AsyncWriteStream, ConstBufferSequence,
+ CompletionCondition, WriteHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, &this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncWriteStream,
+ typename ConstBufferSequence, typename CompletionCondition,
+ typename WriteHandler>
+ inline void asio_handler_invoke(const Function& function,
+ write_handler<AsyncWriteStream, ConstBufferSequence,
+ CompletionCondition, WriteHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, &this_handler->handler_);
+ }
+} // namespace detail
+
+template <typename AsyncWriteStream, typename ConstBufferSequence,
+ typename CompletionCondition, typename WriteHandler>
+inline void async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
+ CompletionCondition completion_condition, WriteHandler handler)
+{
+ boost::asio::detail::consuming_buffers<
+ const_buffer, ConstBufferSequence> tmp(buffers);
+
+ boost::system::error_code ec;
+ std::size_t total_transferred = 0;
+ tmp.set_max_size(detail::adapt_completion_condition_result(
+ completion_condition(ec, total_transferred)));
+ if (tmp.begin() == tmp.end())
+ {
+ s.get_io_service().post(detail::bind_handler(
+ handler, ec, total_transferred));
+ return;
+ }
+
+ s.async_write_some(tmp,
+ detail::write_handler<AsyncWriteStream, ConstBufferSequence,
+ CompletionCondition, WriteHandler>(
+ s, tmp, completion_condition, handler));
+}
+
+template <typename AsyncWriteStream, typename ConstBufferSequence,
+ typename WriteHandler>
+inline void async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
+ WriteHandler handler)
+{
+ async_write(s, buffers, transfer_all(), handler);
+}
+
+namespace detail
+{
+ template <typename AsyncWriteStream, typename Allocator,
+ typename WriteHandler>
+ class write_streambuf_handler
+ {
+ public:
+ write_streambuf_handler(boost::asio::basic_streambuf<Allocator>& streambuf,
+ WriteHandler handler)
+ : streambuf_(streambuf),
+ handler_(handler)
+ {
+ }
+
+ void operator()(const boost::system::error_code& ec,
+ std::size_t bytes_transferred)
+ {
+ streambuf_.consume(bytes_transferred);
+ handler_(ec, bytes_transferred);
+ }
+
+ //private:
+ boost::asio::basic_streambuf<Allocator>& streambuf_;
+ WriteHandler handler_;
+ };
+
+ template <typename AsyncWriteStream, typename Allocator,
+ typename WriteHandler>
+ inline void* asio_handler_allocate(std::size_t size,
+ write_streambuf_handler<AsyncWriteStream,
+ Allocator, WriteHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, &this_handler->handler_);
+ }
+
+ template <typename AsyncWriteStream, typename Allocator,
+ typename WriteHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ write_streambuf_handler<AsyncWriteStream,
+ Allocator, WriteHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, &this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncWriteStream, typename Allocator,
+ typename WriteHandler>
+ inline void asio_handler_invoke(const Function& function,
+ write_streambuf_handler<AsyncWriteStream,
+ Allocator, WriteHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, &this_handler->handler_);
+ }
+} // namespace detail
+
+template <typename AsyncWriteStream, typename Allocator,
+ typename CompletionCondition, typename WriteHandler>
+inline void async_write(AsyncWriteStream& s,
+ boost::asio::basic_streambuf<Allocator>& b,
+ CompletionCondition completion_condition, WriteHandler handler)
+{
+ async_write(s, b.data(), completion_condition,
+ detail::write_streambuf_handler<
+ AsyncWriteStream, Allocator, WriteHandler>(b, handler));
+}
+
+template <typename AsyncWriteStream, typename Allocator, typename WriteHandler>
+inline void async_write(AsyncWriteStream& s,
+ boost::asio::basic_streambuf<Allocator>& b, WriteHandler handler)
+{
+ async_write(s, b, transfer_all(), handler);
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_WRITE_IPP