Added boost header

test/external/boost/asio/detail/resolve_op.hpp

@@ -0,0 +1,133 @@
+//
+// detail/resolve_op.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2011 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_DETAIL_RESOLVE_OP_HPP
+#define BOOST_ASIO_DETAIL_RESOLVE_OP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/utility/addressof.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/ip/basic_resolver_iterator.hpp>
+#include <boost/asio/ip/basic_resolver_query.hpp>
+#include <boost/asio/detail/bind_handler.hpp>
+#include <boost/asio/detail/fenced_block.hpp>
+#include <boost/asio/detail/handler_alloc_helpers.hpp>
+#include <boost/asio/detail/handler_invoke_helpers.hpp>
+#include <boost/asio/detail/operation.hpp>
+#include <boost/asio/detail/socket_ops.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace detail {
+
+template <typename Protocol, typename Handler>
+class resolve_op : public operation
+{
+public:
+  BOOST_ASIO_DEFINE_HANDLER_PTR(resolve_op);
+
+  typedef boost::asio::ip::basic_resolver_query<Protocol> query_type;
+  typedef boost::asio::ip::basic_resolver_iterator<Protocol> iterator_type;
+
+  resolve_op(socket_ops::weak_cancel_token_type cancel_token,
+      const query_type& query, io_service_impl& ios, Handler& handler)
+    : operation(&resolve_op::do_complete),
+      cancel_token_(cancel_token),
+      query_(query),
+      io_service_impl_(ios),
+      handler_(BOOST_ASIO_MOVE_CAST(Handler)(handler)),
+      addrinfo_(0)
+  {
+  }
+
+  ~resolve_op()
+  {
+    if (addrinfo_)
+      socket_ops::freeaddrinfo(addrinfo_);
+  }
+
+  static void do_complete(io_service_impl* owner, operation* base,
+      const boost::system::error_code& /*ec*/,
+      std::size_t /*bytes_transferred*/)
+  {
+    // Take ownership of the operation object.
+    resolve_op* o(static_cast<resolve_op*>(base));
+    ptr p = { boost::addressof(o->handler_), o, o };
+
+    if (owner && owner != &o->io_service_impl_)
+    {
+      // The operation is being run on the worker io_service. Time to perform
+      // the resolver operation.
+    
+      // Perform the blocking host resolution operation.
+      socket_ops::background_getaddrinfo(o->cancel_token_,
+          o->query_.host_name().c_str(), o->query_.service_name().c_str(),
+          o->query_.hints(), &o->addrinfo_, o->ec_);
+
+      // Pass operation back to main io_service for completion.
+      o->io_service_impl_.post_deferred_completion(o);
+      p.v = p.p = 0;
+    }
+    else
+    {
+      // The operation has been returned to the main io_service. The completion
+      // handler is ready to be delivered.
+
+      BOOST_ASIO_HANDLER_COMPLETION((o));
+
+      // Make a copy of the handler so that the memory can be deallocated
+      // before the upcall is made. Even if we're not about to make an upcall,
+      // a sub-object of the handler may be the true owner of the memory
+      // associated with the handler. Consequently, a local copy of the handler
+      // is required to ensure that any owning sub-object remains valid until
+      // after we have deallocated the memory here.
+      detail::binder2<Handler, boost::system::error_code, iterator_type>
+        handler(o->handler_, o->ec_, iterator_type());
+      p.h = boost::addressof(handler.handler_);
+      if (o->addrinfo_)
+      {
+        handler.arg2_ = iterator_type::create(o->addrinfo_,
+            o->query_.host_name(), o->query_.service_name());
+      }
+      p.reset();
+
+      if (owner)
+      {
+        fenced_block b(fenced_block::half);
+        BOOST_ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_, "..."));
+        boost_asio_handler_invoke_helpers::invoke(handler, handler.handler_);
+        BOOST_ASIO_HANDLER_INVOCATION_END;
+      }
+    }
+  }
+
+private:
+  socket_ops::weak_cancel_token_type cancel_token_;
+  query_type query_;
+  io_service_impl& io_service_impl_;
+  Handler handler_;
+  boost::system::error_code ec_;
+  boost::asio::detail::addrinfo_type* addrinfo_;
+};
+
+} // namespace detail
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_DETAIL_RESOLVE_OP_HPP