Imported existing code

libraries/include/boost/asio/impl/io_service.ipp

@@ -0,0 +1,226 @@
+//
+// io_service.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_IO_SERVICE_IPP
+#define BOOST_ASIO_IO_SERVICE_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/detail/push_options.hpp>
+#include <limits>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/detail/dev_poll_reactor.hpp>
+#include <boost/asio/detail/epoll_reactor.hpp>
+#include <boost/asio/detail/kqueue_reactor.hpp>
+#include <boost/asio/detail/select_reactor.hpp>
+#include <boost/asio/detail/service_registry.hpp>
+#include <boost/asio/detail/task_io_service.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+#include <boost/asio/detail/win_iocp_io_service.hpp>
+
+namespace boost {
+namespace asio {
+
+inline io_service::io_service()
+  : service_registry_(new boost::asio::detail::service_registry(*this)),
+    impl_(service_registry_->use_service<impl_type>())
+{
+  impl_.init((std::numeric_limits<std::size_t>::max)());
+}
+
+inline io_service::io_service(std::size_t concurrency_hint)
+  : service_registry_(new boost::asio::detail::service_registry(*this)),
+    impl_(service_registry_->use_service<impl_type>())
+{
+  impl_.init(concurrency_hint);
+}
+
+inline io_service::~io_service()
+{
+  delete service_registry_;
+}
+
+inline std::size_t io_service::run()
+{
+  boost::system::error_code ec;
+  std::size_t s = impl_.run(ec);
+  boost::asio::detail::throw_error(ec);
+  return s;
+}
+
+inline std::size_t io_service::run(boost::system::error_code& ec)
+{
+  return impl_.run(ec);
+}
+
+inline std::size_t io_service::run_one()
+{
+  boost::system::error_code ec;
+  std::size_t s = impl_.run_one(ec);
+  boost::asio::detail::throw_error(ec);
+  return s;
+}
+
+inline std::size_t io_service::run_one(boost::system::error_code& ec)
+{
+  return impl_.run_one(ec);
+}
+
+inline std::size_t io_service::poll()
+{
+  boost::system::error_code ec;
+  std::size_t s = impl_.poll(ec);
+  boost::asio::detail::throw_error(ec);
+  return s;
+}
+
+inline std::size_t io_service::poll(boost::system::error_code& ec)
+{
+  return impl_.poll(ec);
+}
+
+inline std::size_t io_service::poll_one()
+{
+  boost::system::error_code ec;
+  std::size_t s = impl_.poll_one(ec);
+  boost::asio::detail::throw_error(ec);
+  return s;
+}
+
+inline std::size_t io_service::poll_one(boost::system::error_code& ec)
+{
+  return impl_.poll_one(ec);
+}
+
+inline void io_service::stop()
+{
+  impl_.stop();
+}
+
+inline void io_service::reset()
+{
+  impl_.reset();
+}
+
+template <typename Handler>
+inline void io_service::dispatch(Handler handler)
+{
+  impl_.dispatch(handler);
+}
+
+template <typename Handler>
+inline void io_service::post(Handler handler)
+{
+  impl_.post(handler);
+}
+
+template <typename Handler>
+#if defined(GENERATING_DOCUMENTATION)
+unspecified
+#else
+inline detail::wrapped_handler<io_service&, Handler>
+#endif
+io_service::wrap(Handler handler)
+{
+  return detail::wrapped_handler<io_service&, Handler>(*this, handler);
+}
+
+inline io_service::work::work(boost::asio::io_service& io_service)
+  : io_service_(io_service)
+{
+  io_service_.impl_.work_started();
+}
+
+inline io_service::work::work(const work& other)
+  : io_service_(other.io_service_)
+{
+  io_service_.impl_.work_started();
+}
+
+inline io_service::work::~work()
+{
+  io_service_.impl_.work_finished();
+}
+
+inline boost::asio::io_service& io_service::work::io_service()
+{
+  return io_service_;
+}
+
+inline boost::asio::io_service& io_service::work::get_io_service()
+{
+  return io_service_;
+}
+
+inline io_service::service::service(boost::asio::io_service& owner)
+  : owner_(owner),
+    type_info_(0),
+    next_(0)
+{
+}
+
+inline io_service::service::~service()
+{
+}
+
+inline boost::asio::io_service& io_service::service::io_service()
+{
+  return owner_;
+}
+
+inline boost::asio::io_service& io_service::service::get_io_service()
+{
+  return owner_;
+}
+
+template <typename Service>
+inline Service& use_service(io_service& ios)
+{
+  // Check that Service meets the necessary type requirements.
+  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
+  (void)static_cast<const io_service::id*>(&Service::id);
+
+  return ios.service_registry_->template use_service<Service>();
+}
+
+template <typename Service>
+void add_service(io_service& ios, Service* svc)
+{
+  // Check that Service meets the necessary type requirements.
+  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
+  (void)static_cast<const io_service::id*>(&Service::id);
+
+  if (&ios != &svc->io_service())
+    boost::throw_exception(invalid_service_owner());
+  if (!ios.service_registry_->template add_service<Service>(svc))
+    boost::throw_exception(service_already_exists());
+}
+
+template <typename Service>
+bool has_service(io_service& ios)
+{
+  // Check that Service meets the necessary type requirements.
+  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
+  (void)static_cast<const io_service::id*>(&Service::id);
+
+  return ios.service_registry_->template has_service<Service>();
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IO_SERVICE_IPP

libraries/include/boost/asio/impl/read.ipp

@@ -0,0 +1,349 @@
+//
+// read.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_READ_IPP
+#define BOOST_ASIO_READ_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/detail/push_options.hpp>
+#include <algorithm>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/completion_condition.hpp>
+#include <boost/asio/error.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 SyncReadStream, typename MutableBufferSequence,
+    typename CompletionCondition>
+std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+  ec = boost::system::error_code();
+  boost::asio::detail::consuming_buffers<
+    mutable_buffer, MutableBufferSequence> 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.read_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 SyncReadStream, typename MutableBufferSequence>
+inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read(s, buffers, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename MutableBufferSequence,
+    typename CompletionCondition>
+inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read(s, buffers, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename Allocator,
+    typename CompletionCondition>
+std::size_t read(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+  ec = boost::system::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 = std::min<std::size_t>(512,
+      std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  while (bytes_available > 0)
+  {
+    std::size_t bytes_transferred = s.read_some(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 = std::min<std::size_t>(512,
+        std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  }
+  return total_transferred;
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read(s, b, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename Allocator,
+    typename CompletionCondition>
+inline std::size_t read(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read(s, b, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename MutableBufferSequence,
+      typename CompletionCondition, typename ReadHandler>
+  class read_handler
+  {
+  public:
+    typedef boost::asio::detail::consuming_buffers<
+      mutable_buffer, MutableBufferSequence> buffers_type;
+
+    read_handler(AsyncReadStream& stream, const buffers_type& buffers,
+        CompletionCondition completion_condition, ReadHandler 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_read_some(buffers_, *this);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    buffers_type buffers_;
+    std::size_t total_transferred_;
+    CompletionCondition completion_condition_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename MutableBufferSequence,
+      typename CompletionCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_handler<AsyncReadStream, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return boost_asio_handler_alloc_helpers::allocate(
+        size, &this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename MutableBufferSequence,
+      typename CompletionCondition, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_handler<AsyncReadStream, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename MutableBufferSequence, typename CompletionCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_handler<AsyncReadStream, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename MutableBufferSequence,
+    typename CompletionCondition, typename ReadHandler>
+inline void async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition, ReadHandler handler)
+{
+  boost::asio::detail::consuming_buffers<
+    mutable_buffer, MutableBufferSequence> 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_read_some(tmp,
+      detail::read_handler<AsyncReadStream, MutableBufferSequence,
+        CompletionCondition, ReadHandler>(
+          s, tmp, completion_condition, handler));
+}
+
+template <typename AsyncReadStream, typename MutableBufferSequence,
+    typename ReadHandler>
+inline void async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
+    ReadHandler handler)
+{
+  async_read(s, buffers, transfer_all(), handler);
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename Allocator,
+      typename CompletionCondition, typename ReadHandler>
+  class read_streambuf_handler
+  {
+  public:
+    read_streambuf_handler(AsyncReadStream& stream,
+        basic_streambuf<Allocator>& streambuf,
+        CompletionCondition completion_condition, ReadHandler handler)
+      : stream_(stream),
+        streambuf_(streambuf),
+        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;
+      streambuf_.commit(bytes_transferred);
+      std::size_t max_size = detail::adapt_completion_condition_result(
+            completion_condition_(ec, total_transferred_));
+      std::size_t bytes_available = std::min<std::size_t>(512,
+          std::min<std::size_t>(max_size,
+            streambuf_.max_size() - streambuf_.size()));
+      if (bytes_available == 0)
+      {
+        handler_(ec, total_transferred_);
+      }
+      else
+      {
+        stream_.async_read_some(streambuf_.prepare(bytes_available), *this);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    std::size_t total_transferred_;
+    CompletionCondition completion_condition_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename Allocator,
+      typename CompletionCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_streambuf_handler<AsyncReadStream, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return boost_asio_handler_alloc_helpers::allocate(
+        size, &this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename Allocator,
+      typename CompletionCondition, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_streambuf_handler<AsyncReadStream, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename Allocator, typename CompletionCondition, typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_streambuf_handler<AsyncReadStream, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename Allocator,
+    typename CompletionCondition, typename ReadHandler>
+inline void async_read(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, ReadHandler handler)
+{
+  boost::system::error_code ec;
+  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 = std::min<std::size_t>(512,
+      std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  if (bytes_available == 0)
+  {
+    s.get_io_service().post(detail::bind_handler(
+          handler, ec, total_transferred));
+    return;
+  }
+
+  s.async_read_some(b.prepare(bytes_available),
+      detail::read_streambuf_handler<AsyncReadStream, Allocator,
+        CompletionCondition, ReadHandler>(
+          s, b, completion_condition, handler));
+}
+
+template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+inline void async_read(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, ReadHandler handler)
+{
+  async_read(s, b, transfer_all(), handler);
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_READ_IPP

libraries/include/boost/asio/impl/read_at.ipp

@@ -0,0 +1,367 @@
+//
+// read_at.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_READ_AT_IPP
+#define BOOST_ASIO_READ_AT_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/detail/push_options.hpp>
+#include <algorithm>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/completion_condition.hpp>
+#include <boost/asio/error.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 SyncRandomAccessReadDevice, typename MutableBufferSequence,
+    typename CompletionCondition>
+std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+  ec = boost::system::error_code();
+  boost::asio::detail::consuming_buffers<
+    mutable_buffer, MutableBufferSequence> 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 = d.read_some_at(
+        offset + total_transferred, 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 SyncRandomAccessReadDevice, typename MutableBufferSequence>
+inline std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, const MutableBufferSequence& buffers)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_at(
+      d, offset, buffers, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessReadDevice, typename MutableBufferSequence,
+    typename CompletionCondition>
+inline std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_at(
+      d, offset, buffers, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessReadDevice, typename Allocator,
+    typename CompletionCondition>
+std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+  std::size_t total_transferred = 0;
+  for (;;)
+  {
+    std::size_t bytes_available =
+      std::min<std::size_t>(512, b.max_size() - b.size());
+    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;
+    if (b.size() == b.max_size()
+        || completion_condition(ec, total_transferred))
+      return total_transferred;
+  }
+}
+
+template <typename SyncRandomAccessReadDevice, typename Allocator>
+inline std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_at(
+      d, offset, b, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessReadDevice, typename Allocator,
+    typename CompletionCondition>
+inline std::size_t read_at(SyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_at(
+      d, offset, b, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+namespace detail
+{
+  template <typename AsyncRandomAccessReadDevice,
+      typename MutableBufferSequence, typename CompletionCondition,
+      typename ReadHandler>
+  class read_at_handler
+  {
+  public:
+    typedef boost::asio::detail::consuming_buffers<
+      mutable_buffer, MutableBufferSequence> buffers_type;
+
+    read_at_handler(AsyncRandomAccessReadDevice& stream,
+        boost::uint64_t offset, const buffers_type& buffers,
+        CompletionCondition completion_condition, ReadHandler handler)
+      : stream_(stream),
+        offset_(offset),
+        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_read_some_at(
+            offset_ + total_transferred_, buffers_, *this);
+      }
+    }
+
+  //private:
+    AsyncRandomAccessReadDevice& stream_;
+    boost::uint64_t offset_;
+    buffers_type buffers_;
+    std::size_t total_transferred_;
+    CompletionCondition completion_condition_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncRandomAccessReadDevice,
+      typename MutableBufferSequence, typename CompletionCondition,
+      typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_at_handler<AsyncRandomAccessReadDevice, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return boost_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_handler<AsyncRandomAccessReadDevice, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncRandomAccessReadDevice,
+      typename MutableBufferSequence, typename CompletionCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_at_handler<AsyncRandomAccessReadDevice, MutableBufferSequence,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
+    typename CompletionCondition, typename ReadHandler>
+inline void async_read_at(AsyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, const MutableBufferSequence& buffers,
+    CompletionCondition completion_condition, ReadHandler handler)
+{
+  boost::asio::detail::consuming_buffers<
+    mutable_buffer, MutableBufferSequence> 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())
+  {
+    d.get_io_service().post(detail::bind_handler(
+          handler, ec, total_transferred));
+    return;
+  }
+
+  d.async_read_some_at(offset, tmp,
+      detail::read_at_handler<AsyncRandomAccessReadDevice,
+        MutableBufferSequence, CompletionCondition, ReadHandler>(
+          d, offset, tmp, completion_condition, handler));
+}
+
+template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
+    typename ReadHandler>
+inline void async_read_at(AsyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, const MutableBufferSequence& buffers,
+    ReadHandler handler)
+{
+  async_read_at(d, offset, buffers, transfer_all(), handler);
+}
+
+namespace detail
+{
+  template <typename AsyncRandomAccessReadDevice, typename Allocator,
+      typename CompletionCondition, typename ReadHandler>
+  class read_at_streambuf_handler
+  {
+  public:
+    read_at_streambuf_handler(AsyncRandomAccessReadDevice& stream,
+        boost::uint64_t offset, basic_streambuf<Allocator>& streambuf,
+        CompletionCondition completion_condition, ReadHandler handler)
+      : stream_(stream),
+        offset_(offset),
+        streambuf_(streambuf),
+        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;
+      streambuf_.commit(bytes_transferred);
+      std::size_t max_size = detail::adapt_completion_condition_result(
+            completion_condition_(ec, total_transferred_));
+      std::size_t bytes_available = std::min<std::size_t>(512,
+          std::min<std::size_t>(max_size,
+            streambuf_.max_size() - streambuf_.size()));
+      if (bytes_available == 0)
+      {
+        handler_(ec, total_transferred_);
+      }
+      else
+      {
+        stream_.async_read_some_at(offset_ + total_transferred_,
+            streambuf_.prepare(bytes_available), *this);
+      }
+    }
+
+  //private:
+    AsyncRandomAccessReadDevice& stream_;
+    boost::uint64_t offset_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    std::size_t total_transferred_;
+    CompletionCondition completion_condition_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncRandomAccessReadDevice, typename Allocator,
+      typename CompletionCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_at_streambuf_handler<AsyncRandomAccessReadDevice, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return boost_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_handler<AsyncRandomAccessReadDevice, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &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_handler<AsyncRandomAccessReadDevice, Allocator,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncRandomAccessReadDevice, typename Allocator,
+    typename CompletionCondition, typename ReadHandler>
+inline void async_read_at(AsyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, ReadHandler handler)
+{
+  boost::system::error_code ec;
+  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 = std::min<std::size_t>(512,
+      std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  if (bytes_available == 0)
+  {
+    d.get_io_service().post(detail::bind_handler(
+          handler, ec, total_transferred));
+    return;
+  }
+
+  d.async_read_some_at(offset, b.prepare(bytes_available),
+      detail::read_at_streambuf_handler<AsyncRandomAccessReadDevice, Allocator,
+        CompletionCondition, ReadHandler>(
+          d, offset, b, completion_condition, handler));
+}
+
+template <typename AsyncRandomAccessReadDevice, typename Allocator,
+    typename ReadHandler>
+inline void async_read_at(AsyncRandomAccessReadDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    ReadHandler handler)
+{
+  async_read_at(d, offset, b, transfer_all(), handler);
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_READ_AT_IPP

libraries/include/boost/asio/impl/read_until.ipp

@@ -0,0 +1,989 @@
+//
+// read_until.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_READ_UNTIL_IPP
+#define BOOST_ASIO_READ_UNTIL_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/detail/push_options.hpp>
+#include <algorithm>
+#include <limits>
+#include <string>
+#include <utility>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/buffer.hpp>
+#include <boost/asio/buffers_iterator.hpp>
+#include <boost/asio/detail/bind_handler.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 SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, char delim)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_until(s, b, delim, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename Allocator>
+std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, char delim,
+    boost::system::error_code& ec)
+{
+  std::size_t next_search_start = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename boost::asio::basic_streambuf<
+      Allocator>::const_buffers_type const_buffers_type;
+    typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+    const_buffers_type buffers = b.data();
+    iterator begin = iterator::begin(buffers);
+    iterator start = begin + next_search_start;
+    iterator end = iterator::end(buffers);
+
+    // Look for a match.
+    iterator iter = std::find(start, end, delim);
+    if (iter != end)
+    {
+      // Found a match. We're done.
+      ec = boost::system::error_code();
+      return iter - begin + 1;
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      next_search_start = 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_available =
+      std::min<std::size_t>(512, b.max_size() - b.size());
+    b.commit(s.read_some(b.prepare(bytes_available), ec));
+    if (ec)
+      return 0;
+  }
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, const std::string& delim)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_until(s, b, delim, ec);
+  boost::asio::detail::throw_error(ec);
+  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,
+    boost::asio::basic_streambuf<Allocator>& b, const std::string& delim,
+    boost::system::error_code& ec)
+{
+  std::size_t next_search_start = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename boost::asio::basic_streambuf<
+      Allocator>::const_buffers_type const_buffers_type;
+    typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+    const_buffers_type buffers = b.data();
+    iterator begin = iterator::begin(buffers);
+    iterator start = begin + next_search_start;
+    iterator end = iterator::end(buffers);
+
+    // Look for a match.
+    std::pair<iterator, bool> result = boost::asio::detail::partial_search(
+        start, end, delim.begin(), delim.end());
+    if (result.first != end)
+    {
+      if (result.second)
+      {
+        // Full match. We're done.
+        ec = boost::system::error_code();
+        return result.first - begin + delim.length();
+      }
+      else
+      {
+        // Partial match. Next search needs to start from beginning of match.
+        next_search_start = result.first - begin;
+      }
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      next_search_start = 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_available =
+      std::min<std::size_t>(512, b.max_size() - b.size());
+    b.commit(s.read_some(b.prepare(bytes_available), ec));
+    if (ec)
+      return 0;
+  }
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, const boost::regex& expr)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_until(s, b, expr, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename Allocator>
+std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
+    boost::system::error_code& ec)
+{
+  std::size_t next_search_start = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename boost::asio::basic_streambuf<
+      Allocator>::const_buffers_type const_buffers_type;
+    typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+    const_buffers_type buffers = b.data();
+    iterator begin = iterator::begin(buffers);
+    iterator start = begin + next_search_start;
+    iterator end = iterator::end(buffers);
+
+    // Look for a match.
+    boost::match_results<iterator> match_results;
+    if (boost::regex_search(start, end, match_results, expr,
+          boost::match_default | boost::match_partial))
+    {
+      if (match_results[0].matched)
+      {
+        // Full match. We're done.
+        ec = boost::system::error_code();
+        return match_results[0].second - begin;
+      }
+      else
+      {
+        // Partial match. Next search needs to start from beginning of match.
+        next_search_start = match_results[0].first - begin;
+      }
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      next_search_start = 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_available =
+      std::min<std::size_t>(512, b.max_size() - b.size());
+    b.commit(s.read_some(b.prepare(bytes_available), ec));
+    if (ec)
+      return 0;
+  }
+}
+
+template <typename SyncReadStream, typename Allocator, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b,
+    MatchCondition match_condition, boost::system::error_code& ec,
+    typename boost::enable_if<is_match_condition<MatchCondition> >::type*)
+{
+  std::size_t next_search_start = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename boost::asio::basic_streambuf<
+      Allocator>::const_buffers_type const_buffers_type;
+    typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+    const_buffers_type buffers = b.data();
+    iterator begin = iterator::begin(buffers);
+    iterator start = begin + next_search_start;
+    iterator end = iterator::end(buffers);
+
+    // Look for a match.
+    std::pair<iterator, bool> result = match_condition(start, end);
+    if (result.second)
+    {
+      // Full match. We're done.
+      ec = boost::system::error_code();
+      return result.first - begin;
+    }
+    else if (result.first != end)
+    {
+      // Partial match. Next search needs to start from beginning of match.
+      next_search_start = result.first - begin;
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      next_search_start = 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_available =
+      std::min<std::size_t>(512, b.max_size() - b.size());
+    b.commit(s.read_some(b.prepare(bytes_available), ec));
+    if (ec)
+      return 0;
+  }
+}
+
+template <typename SyncReadStream, typename Allocator, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, MatchCondition match_condition,
+    typename boost::enable_if<is_match_condition<MatchCondition> >::type*)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = read_until(s, b, match_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  class read_until_delim_handler
+  {
+  public:
+    read_until_delim_handler(AsyncReadStream& stream,
+        boost::asio::basic_streambuf<Allocator>& streambuf, char delim,
+        std::size_t next_search_start, ReadHandler handler)
+      : stream_(stream),
+        streambuf_(streambuf),
+        delim_(delim),
+        next_search_start_(next_search_start),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const boost::system::error_code& ec,
+        std::size_t bytes_transferred)
+    {
+      // Check for errors.
+      if (ec)
+      {
+        std::size_t bytes = 0;
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Commit received data to streambuf's get area.
+      streambuf_.commit(bytes_transferred);
+
+      // Determine the range of the data to be searched.
+      typedef typename boost::asio::basic_streambuf<
+        Allocator>::const_buffers_type const_buffers_type;
+      typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+      const_buffers_type buffers = streambuf_.data();
+      iterator begin = iterator::begin(buffers);
+      iterator start = begin + next_search_start_;
+      iterator end = iterator::end(buffers);
+
+      // Look for a match.
+      iterator iter = std::find(start, end, delim_);
+      if (iter != end)
+      {
+        // Found a match. We're done.
+        std::size_t bytes = iter - begin + 1;
+        handler_(ec, bytes);
+        return;
+      }
+
+      // No match. Check if buffer is full.
+      if (streambuf_.size() == streambuf_.max_size())
+      {
+        std::size_t bytes = 0;
+        boost::system::error_code ec(error::not_found);
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Next search can start with the new data.
+      next_search_start_ = end - begin;
+
+      // Start a new asynchronous read operation to obtain more data.
+      std::size_t bytes_available =
+        std::min<std::size_t>(512, streambuf_.max_size() - streambuf_.size());
+      stream_.async_read_some(streambuf_.prepare(bytes_available), *this);
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    char delim_;
+    std::size_t next_search_start_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_delim_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    return boost_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_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream, typename Allocator,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_delim_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+void async_read_until(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, char delim, ReadHandler handler)
+{
+  // Determine the range of the data to be searched.
+  typedef typename boost::asio::basic_streambuf<
+    Allocator>::const_buffers_type const_buffers_type;
+  typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+  const_buffers_type buffers = b.data();
+  iterator begin = iterator::begin(buffers);
+  iterator end = iterator::end(buffers);
+
+  // Look for a match.
+  iterator iter = std::find(begin, end, delim);
+  if (iter != end)
+  {
+    // Found a match. We're done.
+    boost::system::error_code ec;
+    std::size_t bytes = iter - begin + 1;
+    s.get_io_service().post(detail::bind_handler(handler, ec, bytes));
+    return;
+  }
+
+  // No match. Check if buffer is full.
+  if (b.size() == b.max_size())
+  {
+    boost::system::error_code ec(error::not_found);
+    s.get_io_service().post(detail::bind_handler(handler, ec, 0));
+    return;
+  }
+
+  // Start a new asynchronous read operation to obtain more data.
+  std::size_t bytes_available =
+    std::min<std::size_t>(512, b.max_size() - b.size());
+  s.async_read_some(b.prepare(bytes_available),
+      detail::read_until_delim_handler<AsyncReadStream, Allocator, ReadHandler>(
+        s, b, delim, end - begin, handler));
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  class read_until_delim_string_handler
+  {
+  public:
+    read_until_delim_string_handler(AsyncReadStream& stream,
+        boost::asio::basic_streambuf<Allocator>& streambuf,
+        const std::string& delim, std::size_t next_search_start,
+        ReadHandler handler)
+      : stream_(stream),
+        streambuf_(streambuf),
+        delim_(delim),
+        next_search_start_(next_search_start),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const boost::system::error_code& ec,
+        std::size_t bytes_transferred)
+    {
+      // Check for errors.
+      if (ec)
+      {
+        std::size_t bytes = 0;
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Commit received data to streambuf's get area.
+      streambuf_.commit(bytes_transferred);
+
+      // Determine the range of the data to be searched.
+      typedef typename boost::asio::basic_streambuf<
+        Allocator>::const_buffers_type const_buffers_type;
+      typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+      const_buffers_type buffers = streambuf_.data();
+      iterator begin = iterator::begin(buffers);
+      iterator start = begin + next_search_start_;
+      iterator end = iterator::end(buffers);
+
+      // Look for a match.
+      std::pair<iterator, bool> result = boost::asio::detail::partial_search(
+          start, end, delim_.begin(), delim_.end());
+      if (result.first != end)
+      {
+        if (result.second)
+        {
+          // Full match. We're done.
+          std::size_t bytes = result.first - begin + delim_.length();
+          handler_(ec, bytes);
+          return;
+        }
+        else
+        {
+          // Partial match. Next search needs to start from beginning of match.
+          next_search_start_ = result.first - begin;
+        }
+      }
+      else
+      {
+        // No match. Next search can start with the new data.
+        next_search_start_ = end - begin;
+      }
+
+      // Check if buffer is full.
+      if (streambuf_.size() == streambuf_.max_size())
+      {
+        std::size_t bytes = 0;
+        boost::system::error_code ec2(error::not_found);
+        handler_(ec2, bytes);
+        return;
+      }
+
+      // Start a new asynchronous read operation to obtain more data.
+      std::size_t bytes_available =
+        std::min<std::size_t>(512, streambuf_.max_size() - streambuf_.size());
+      stream_.async_read_some(streambuf_.prepare(bytes_available), *this);
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    std::string delim_;
+    std::size_t next_search_start_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_delim_string_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    return boost_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_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename Allocator, typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_delim_string_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+void async_read_until(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, const std::string& delim,
+    ReadHandler handler)
+{
+  // Determine the range of the data to be searched.
+  typedef typename boost::asio::basic_streambuf<
+    Allocator>::const_buffers_type const_buffers_type;
+  typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+  const_buffers_type buffers = b.data();
+  iterator begin = iterator::begin(buffers);
+  iterator end = iterator::end(buffers);
+
+  // Look for a match.
+  std::size_t next_search_start;
+  std::pair<iterator, bool> result = boost::asio::detail::partial_search(
+      begin, end, delim.begin(), delim.end());
+  if (result.first != end)
+  {
+    if (result.second)
+    {
+      // Full match. We're done.
+      boost::system::error_code ec;
+      std::size_t bytes = result.first - begin + delim.length();
+      s.get_io_service().post(detail::bind_handler(handler, ec, bytes));
+      return;
+    }
+    else
+    {
+      // Partial match. Next search needs to start from beginning of match.
+      next_search_start = result.first - begin;
+    }
+  }
+  else
+  {
+    // No match. Next search can start with the new data.
+    next_search_start = end - begin;
+  }
+
+  // Check if buffer is full.
+  if (b.size() == b.max_size())
+  {
+    boost::system::error_code ec(error::not_found);
+    s.get_io_service().post(detail::bind_handler(handler, ec, 0));
+    return;
+  }
+
+  // Start a new asynchronous read operation to obtain more data.
+  std::size_t bytes_available =
+    std::min<std::size_t>(512, b.max_size() - b.size());
+  s.async_read_some(b.prepare(bytes_available),
+      detail::read_until_delim_string_handler<
+        AsyncReadStream, Allocator, ReadHandler>(
+          s, b, delim, next_search_start, handler));
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  class read_until_expr_handler
+  {
+  public:
+    read_until_expr_handler(AsyncReadStream& stream,
+        boost::asio::basic_streambuf<Allocator>& streambuf,
+        const boost::regex& expr, std::size_t next_search_start,
+        ReadHandler handler)
+      : stream_(stream),
+        streambuf_(streambuf),
+        expr_(expr),
+        next_search_start_(next_search_start),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const boost::system::error_code& ec,
+        std::size_t bytes_transferred)
+    {
+      // Check for errors.
+      if (ec)
+      {
+        std::size_t bytes = 0;
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Commit received data to streambuf's get area.
+      streambuf_.commit(bytes_transferred);
+
+      // Determine the range of the data to be searched.
+      typedef typename boost::asio::basic_streambuf<
+        Allocator>::const_buffers_type const_buffers_type;
+      typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+      const_buffers_type buffers = streambuf_.data();
+      iterator begin = iterator::begin(buffers);
+      iterator start = begin + next_search_start_;
+      iterator end = iterator::end(buffers);
+
+      // Look for a match.
+      boost::match_results<iterator> match_results;
+      if (boost::regex_search(start, end, match_results, expr_,
+            boost::match_default | boost::match_partial))
+      {
+        if (match_results[0].matched)
+        {
+          // Full match. We're done.
+          std::size_t bytes = match_results[0].second - begin;
+          handler_(ec, bytes);
+          return;
+        }
+        else
+        {
+          // Partial match. Next search needs to start from beginning of match.
+          next_search_start_ = match_results[0].first - begin;
+        }
+      }
+      else
+      {
+        // No match. Next search can start with the new data.
+        next_search_start_ = end - begin;
+      }
+
+      // Check if buffer is full.
+      if (streambuf_.size() == streambuf_.max_size())
+      {
+        std::size_t bytes = 0;
+        boost::system::error_code ec(error::not_found);
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Start a new asynchronous read operation to obtain more data.
+      std::size_t bytes_available =
+        std::min<std::size_t>(512, streambuf_.max_size() - streambuf_.size());
+      stream_.async_read_some(streambuf_.prepare(bytes_available), *this);
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    boost::regex expr_;
+    std::size_t next_search_start_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_expr_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    return boost_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_expr_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream, typename Allocator,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_expr_handler<AsyncReadStream,
+        Allocator, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
+void async_read_until(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
+    ReadHandler handler)
+{
+  // Determine the range of the data to be searched.
+  typedef typename boost::asio::basic_streambuf<
+    Allocator>::const_buffers_type const_buffers_type;
+  typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+  const_buffers_type buffers = b.data();
+  iterator begin = iterator::begin(buffers);
+  iterator end = iterator::end(buffers);
+
+  // Look for a match.
+  std::size_t next_search_start;
+  boost::match_results<iterator> match_results;
+  if (boost::regex_search(begin, end, match_results, expr,
+        boost::match_default | boost::match_partial))
+  {
+    if (match_results[0].matched)
+    {
+      // Full match. We're done.
+      boost::system::error_code ec;
+      std::size_t bytes = match_results[0].second - begin;
+      s.get_io_service().post(detail::bind_handler(handler, ec, bytes));
+      return;
+    }
+    else
+    {
+      // Partial match. Next search needs to start from beginning of match.
+      next_search_start = match_results[0].first - begin;
+    }
+  }
+  else
+  {
+    // No match. Next search can start with the new data.
+    next_search_start = end - begin;
+  }
+
+  // Check if buffer is full.
+  if (b.size() == b.max_size())
+  {
+    boost::system::error_code ec(error::not_found);
+    s.get_io_service().post(detail::bind_handler(handler, ec, 0));
+    return;
+  }
+
+  // Start a new asynchronous read operation to obtain more data.
+  std::size_t bytes_available =
+    std::min<std::size_t>(512, b.max_size() - b.size());
+  s.async_read_some(b.prepare(bytes_available),
+      detail::read_until_expr_handler<AsyncReadStream, Allocator, ReadHandler>(
+        s, b, expr, next_search_start, handler));
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename Allocator,
+      typename MatchCondition, typename ReadHandler>
+  class read_until_match_handler
+  {
+  public:
+    read_until_match_handler(AsyncReadStream& stream,
+        boost::asio::basic_streambuf<Allocator>& streambuf,
+        MatchCondition match_condition, std::size_t next_search_start,
+        ReadHandler handler)
+      : stream_(stream),
+        streambuf_(streambuf),
+        match_condition_(match_condition),
+        next_search_start_(next_search_start),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const boost::system::error_code& ec,
+        std::size_t bytes_transferred)
+    {
+      // Check for errors.
+      if (ec)
+      {
+        std::size_t bytes = 0;
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Commit received data to streambuf's get area.
+      streambuf_.commit(bytes_transferred);
+
+      // Determine the range of the data to be searched.
+      typedef typename boost::asio::basic_streambuf<
+        Allocator>::const_buffers_type const_buffers_type;
+      typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+      const_buffers_type buffers = streambuf_.data();
+      iterator begin = iterator::begin(buffers);
+      iterator start = begin + next_search_start_;
+      iterator end = iterator::end(buffers);
+
+      // Look for a match.
+      std::pair<iterator, bool> result = match_condition_(start, end);
+      if (result.second)
+      {
+        // Full match. We're done.
+        std::size_t bytes = result.first - begin;
+        handler_(ec, bytes);
+        return;
+      }
+      else if (result.first != end)
+      {
+        // Partial match. Next search needs to start from beginning of match.
+        next_search_start_ = result.first - begin;
+      }
+      else
+      {
+        // No match. Next search can start with the new data.
+        next_search_start_ = end - begin;
+      }
+
+      // Check if buffer is full.
+      if (streambuf_.size() == streambuf_.max_size())
+      {
+        std::size_t bytes = 0;
+        boost::system::error_code ec(error::not_found);
+        handler_(ec, bytes);
+        return;
+      }
+
+      // Start a new asynchronous read operation to obtain more data.
+      std::size_t bytes_available =
+        std::min<std::size_t>(512, streambuf_.max_size() - streambuf_.size());
+      stream_.async_read_some(streambuf_.prepare(bytes_available), *this);
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    boost::asio::basic_streambuf<Allocator>& streambuf_;
+    MatchCondition match_condition_;
+    std::size_t next_search_start_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename Allocator,
+      typename MatchCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_match_handler<AsyncReadStream,
+        Allocator, MatchCondition, ReadHandler>* this_handler)
+  {
+    return boost_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_handler<AsyncReadStream,
+        Allocator, MatchCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &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_handler<AsyncReadStream,
+        Allocator, MatchCondition, ReadHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncReadStream, typename Allocator,
+    typename MatchCondition, typename ReadHandler>
+void async_read_until(AsyncReadStream& s,
+    boost::asio::basic_streambuf<Allocator>& b,
+    MatchCondition match_condition, ReadHandler handler,
+    typename boost::enable_if<is_match_condition<MatchCondition> >::type*)
+{
+  // Determine the range of the data to be searched.
+  typedef typename boost::asio::basic_streambuf<
+    Allocator>::const_buffers_type const_buffers_type;
+  typedef boost::asio::buffers_iterator<const_buffers_type> iterator;
+  const_buffers_type buffers = b.data();
+  iterator begin = iterator::begin(buffers);
+  iterator end = iterator::end(buffers);
+
+  // Look for a match.
+  std::size_t next_search_start;
+  std::pair<iterator, bool> result = match_condition(begin, end);
+  if (result.second)
+  {
+    // Full match. We're done.
+    boost::system::error_code ec;
+    std::size_t bytes = result.first - begin;
+    s.get_io_service().post(detail::bind_handler(handler, ec, bytes));
+    return;
+  }
+  else if (result.first != end)
+  {
+    // Partial match. Next search needs to start from beginning of match.
+    next_search_start = result.first - begin;
+  }
+  else
+  {
+    // No match. Next search can start with the new data.
+    next_search_start = end - begin;
+  }
+
+  // Check if buffer is full.
+  if (b.size() == b.max_size())
+  {
+    boost::system::error_code ec(error::not_found);
+    s.get_io_service().post(detail::bind_handler(handler, ec, 0));
+    return;
+  }
+
+  // Start a new asynchronous read operation to obtain more data.
+  std::size_t bytes_available =
+    std::min<std::size_t>(512, b.max_size() - b.size());
+  s.async_read_some(b.prepare(bytes_available),
+      detail::read_until_match_handler<
+        AsyncReadStream, Allocator, MatchCondition, ReadHandler>(
+          s, b, match_condition, next_search_start, handler));
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_READ_UNTIL_IPP

libraries/include/boost/asio/impl/serial_port_base.ipp

@@ -0,0 +1,543 @@
+//
+// serial_port_base.ipp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@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 BOOST_ASIO_SERIAL_PORT_BASE_IPP
+#define BOOST_ASIO_SERIAL_PORT_BASE_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+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 boost::system::error_code serial_port_base::baud_rate::store(
+    BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec) const
+{
+#if defined(BOOST_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:
+    baud = B0;
+    ec = boost::asio::error::invalid_argument;
+    return ec;
+  }
+# if defined(_BSD_SOURCE)
+  ::cfsetspeed(&storage, baud);
+# else
+  ::cfsetispeed(&storage, baud);
+  ::cfsetospeed(&storage, baud);
+# endif
+#endif
+  ec = boost::system::error_code();
+  return ec;
+}
+
+inline boost::system::error_code serial_port_base::baud_rate::load(
+    const BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec)
+{
+#if defined(BOOST_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 = boost::asio::error::invalid_argument;
+    return ec;
+  }
+#endif
+  ec = boost::system::error_code();
+  return ec;
+}
+
+inline serial_port_base::flow_control::flow_control(
+    serial_port_base::flow_control::type t)
+  : value_(t)
+{
+  if (t != none && t != software && t != hardware)
+    throw std::out_of_range("invalid flow_control value");
+}
+
+inline serial_port_base::flow_control::type
+serial_port_base::flow_control::value() const
+{
+  return value_;
+}
+
+inline boost::system::error_code serial_port_base::flow_control::store(
+    BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec) const
+{
+#if defined(BOOST_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;
+# endif
+    break;
+  case software:
+    storage.c_iflag |= IXOFF | IXON;
+# if defined(_BSD_SOURCE)
+    storage.c_cflag &= ~CRTSCTS;
+# endif
+    break;
+  case hardware:
+# if defined(_BSD_SOURCE)
+    storage.c_iflag &= ~(IXOFF | IXON);
+    storage.c_cflag |= CRTSCTS;
+    break;
+# else
+    ec = boost::asio::error::operation_not_supported;
+    return ec;
+# endif
+  default:
+    break;
+  }
+#endif
+  ec = boost::system::error_code();
+  return ec;
+}
+
+inline boost::system::error_code serial_port_base::flow_control::load(
+    const BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec)
+{
+#if defined(BOOST_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;
+  }
+# endif
+  else
+  {
+    value_ = none;
+  }
+#endif
+  ec = boost::system::error_code();
+  return ec;
+}
+
+inline serial_port_base::parity::parity(serial_port_base::parity::type t)
+  : value_(t)
+{
+  if (t != none && t != odd && t != even)
+    throw std::out_of_range("invalid parity value");
+}
+
+inline serial_port_base::parity::type serial_port_base::parity::value() const
+{
+  return value_;
+}
+
+inline boost::system::error_code serial_port_base::parity::store(
+    BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec) const
+{
+#if defined(BOOST_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 = boost::system::error_code();
+  return ec;
+}
+
+inline boost::system::error_code serial_port_base::parity::load(
+    const BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec)
+{
+#if defined(BOOST_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 = boost::system::error_code();
+  return ec;
+}
+
+inline serial_port_base::stop_bits::stop_bits(
+    serial_port_base::stop_bits::type t)
+  : value_(t)
+{
+  if (t != one && t != onepointfive && t != two)
+    throw std::out_of_range("invalid stop_bits value");
+}
+
+inline serial_port_base::stop_bits::type
+serial_port_base::stop_bits::value() const
+{
+  return value_;
+}
+
+inline boost::system::error_code serial_port_base::stop_bits::store(
+    BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec) const
+{
+#if defined(BOOST_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 = boost::asio::error::operation_not_supported;
+    return ec;
+  }
+#endif
+  ec = boost::system::error_code();
+  return ec;
+}
+
+inline boost::system::error_code serial_port_base::stop_bits::load(
+    const BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec)
+{
+#if defined(BOOST_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 = boost::system::error_code();
+  return ec;
+}
+
+inline serial_port_base::character_size::character_size(unsigned int t)
+  : value_(t)
+{
+  if (t < 5 || t > 8)
+    throw std::out_of_range("invalid character_size value");
+}
+
+inline unsigned int serial_port_base::character_size::value() const
+{
+  return value_;
+}
+
+inline boost::system::error_code serial_port_base::character_size::store(
+    BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec) const
+{
+#if defined(BOOST_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 = boost::system::error_code();
+  return ec;
+}
+
+inline boost::system::error_code serial_port_base::character_size::load(
+    const BOOST_ASIO_OPTION_STORAGE& storage, boost::system::error_code& ec)
+{
+#if defined(BOOST_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 = boost::system::error_code();
+  return ec;
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_SERIAL_PORT_BASE_IPP

libraries/include/boost/asio/impl/write.ipp

@@ -0,0 +1,296 @@
+//
+// 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

libraries/include/boost/asio/impl/write_at.ipp

@@ -0,0 +1,313 @@
+//
+// write_at.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_AT_IPP
+#define BOOST_ASIO_WRITE_AT_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 SyncRandomAccessWriteDevice, typename ConstBufferSequence,
+    typename CompletionCondition>
+std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, 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 = d.write_some_at(
+        offset + total_transferred, 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 SyncRandomAccessWriteDevice, typename ConstBufferSequence>
+inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, const ConstBufferSequence& buffers)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = write_at(
+      d, offset, buffers, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence,
+    typename CompletionCondition>
+inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, const ConstBufferSequence& buffers,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = write_at(
+      d, offset, buffers, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessWriteDevice, typename Allocator,
+    typename CompletionCondition>
+std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, boost::system::error_code& ec)
+{
+  std::size_t bytes_transferred = write_at(
+      d, offset, b.data(), completion_condition, ec);
+  b.consume(bytes_transferred);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessWriteDevice, typename Allocator>
+inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = write_at(d, offset, b, transfer_all(), ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+template <typename SyncRandomAccessWriteDevice, typename Allocator,
+    typename CompletionCondition>
+inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition)
+{
+  boost::system::error_code ec;
+  std::size_t bytes_transferred = write_at(
+      d, offset, b, completion_condition, ec);
+  boost::asio::detail::throw_error(ec);
+  return bytes_transferred;
+}
+
+namespace detail
+{
+  template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
+      typename CompletionCondition, typename WriteHandler>
+  class write_at_handler
+  {
+  public:
+    typedef boost::asio::detail::consuming_buffers<
+      const_buffer, ConstBufferSequence> buffers_type;
+
+    write_at_handler(AsyncRandomAccessWriteDevice& stream,
+        boost::uint64_t offset, const buffers_type& buffers,
+        CompletionCondition completion_condition, WriteHandler handler)
+      : stream_(stream),
+        buffers_(buffers),
+        offset_(offset),
+        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_at(
+            offset_ + total_transferred_, buffers_, *this);
+      }
+    }
+
+  //private:
+    AsyncRandomAccessWriteDevice& stream_;
+    buffers_type buffers_;
+    boost::uint64_t offset_;
+    std::size_t total_transferred_;
+    CompletionCondition completion_condition_;
+    WriteHandler handler_;
+  };
+
+  template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
+      typename CompletionCondition, typename WriteHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      write_at_handler<AsyncRandomAccessWriteDevice, ConstBufferSequence,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    return boost_asio_handler_alloc_helpers::allocate(
+        size, &this_handler->handler_);
+  }
+
+  template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
+      typename CompletionCondition, typename WriteHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      write_at_handler<AsyncRandomAccessWriteDevice, ConstBufferSequence,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncRandomAccessWriteDevice,
+      typename ConstBufferSequence, typename CompletionCondition,
+      typename WriteHandler>
+  inline void asio_handler_invoke(const Function& function,
+      write_at_handler<AsyncRandomAccessWriteDevice, ConstBufferSequence,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
+    typename CompletionCondition, typename WriteHandler>
+inline void async_write_at(AsyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, const ConstBufferSequence& buffers,
+    CompletionCondition completion_condition, WriteHandler handler)
+{
+  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())
+  {
+    d.get_io_service().post(detail::bind_handler(
+          handler, ec, total_transferred));
+    return;
+  }
+
+  d.async_write_some_at(offset, tmp,
+      detail::write_at_handler<AsyncRandomAccessWriteDevice,
+      ConstBufferSequence, CompletionCondition, WriteHandler>(
+          d, offset, tmp, completion_condition, handler));
+}
+
+template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
+    typename WriteHandler>
+inline void async_write_at(AsyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, const ConstBufferSequence& buffers,
+    WriteHandler handler)
+{
+  async_write_at(d, offset, buffers, transfer_all(), handler);
+}
+
+namespace detail
+{
+  template <typename AsyncRandomAccessWriteDevice, typename Allocator,
+      typename WriteHandler>
+  class write_at_streambuf_handler
+  {
+  public:
+    write_at_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 AsyncRandomAccessWriteDevice, typename Allocator,
+      typename WriteHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      write_at_streambuf_handler<AsyncRandomAccessWriteDevice,
+        Allocator, WriteHandler>* this_handler)
+  {
+    return boost_asio_handler_alloc_helpers::allocate(
+        size, &this_handler->handler_);
+  }
+
+  template <typename AsyncRandomAccessWriteDevice, typename Allocator,
+      typename WriteHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      write_at_streambuf_handler<AsyncRandomAccessWriteDevice,
+        Allocator, WriteHandler>* this_handler)
+  {
+    boost_asio_handler_alloc_helpers::deallocate(
+        pointer, size, &this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncRandomAccessWriteDevice,
+      typename Allocator, typename WriteHandler>
+  inline void asio_handler_invoke(const Function& function,
+      write_at_streambuf_handler<AsyncRandomAccessWriteDevice,
+        Allocator, WriteHandler>* this_handler)
+  {
+    boost_asio_handler_invoke_helpers::invoke(
+        function, &this_handler->handler_);
+  }
+} // namespace detail
+
+template <typename AsyncRandomAccessWriteDevice, typename Allocator,
+    typename CompletionCondition, typename WriteHandler>
+inline void async_write_at(AsyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    CompletionCondition completion_condition, WriteHandler handler)
+{
+  async_write_at(d, offset, b.data(), completion_condition,
+      detail::write_at_streambuf_handler<
+        AsyncRandomAccessWriteDevice, Allocator, WriteHandler>(b, handler));
+}
+
+template <typename AsyncRandomAccessWriteDevice, typename Allocator,
+    typename WriteHandler>
+inline void async_write_at(AsyncRandomAccessWriteDevice& d,
+    boost::uint64_t offset, boost::asio::basic_streambuf<Allocator>& b,
+    WriteHandler handler)
+{
+  async_write_at(d, offset, b, transfer_all(), handler);
+}
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_WRITE_AT_IPP