diff options
Diffstat (limited to 'lib/asio/detail/resolve_endpoint_op.hpp')
-rw-r--r-- | lib/asio/detail/resolve_endpoint_op.hpp | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/lib/asio/detail/resolve_endpoint_op.hpp b/lib/asio/detail/resolve_endpoint_op.hpp deleted file mode 100644 index 8eee2f9..0000000 --- a/lib/asio/detail/resolve_endpoint_op.hpp +++ /dev/null @@ -1,122 +0,0 @@ -// -// detail/resolve_endpoint_op.hpp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) -// -// Distributed under the Boost Software License, Version 1.0. (See accompanying -// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -// - -#ifndef ASIO_DETAIL_RESOLVER_ENDPOINT_OP_HPP -#define ASIO_DETAIL_RESOLVER_ENDPOINT_OP_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" -#include "asio/error.hpp" -#include "asio/io_context.hpp" -#include "asio/ip/basic_resolver_results.hpp" -#include "asio/detail/bind_handler.hpp" -#include "asio/detail/fenced_block.hpp" -#include "asio/detail/handler_alloc_helpers.hpp" -#include "asio/detail/handler_invoke_helpers.hpp" -#include "asio/detail/memory.hpp" -#include "asio/detail/resolve_op.hpp" -#include "asio/detail/socket_ops.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -template <typename Protocol, typename Handler> -class resolve_endpoint_op : public resolve_op -{ -public: - ASIO_DEFINE_HANDLER_PTR(resolve_endpoint_op); - - typedef typename Protocol::endpoint endpoint_type; - typedef asio::ip::basic_resolver_results<Protocol> results_type; - - resolve_endpoint_op(socket_ops::weak_cancel_token_type cancel_token, - const endpoint_type& endpoint, io_context_impl& ioc, Handler& handler) - : resolve_op(&resolve_endpoint_op::do_complete), - cancel_token_(cancel_token), - endpoint_(endpoint), - io_context_impl_(ioc), - handler_(ASIO_MOVE_CAST(Handler)(handler)) - { - handler_work<Handler>::start(handler_); - } - - static void do_complete(void* owner, operation* base, - const asio::error_code& /*ec*/, - std::size_t /*bytes_transferred*/) - { - // Take ownership of the operation object. - resolve_endpoint_op* o(static_cast<resolve_endpoint_op*>(base)); - ptr p = { asio::detail::addressof(o->handler_), o, o }; - handler_work<Handler> w(o->handler_); - - if (owner && owner != &o->io_context_impl_) - { - // The operation is being run on the worker io_context. Time to perform - // the resolver operation. - - // Perform the blocking endpoint resolution operation. - char host_name[NI_MAXHOST]; - char service_name[NI_MAXSERV]; - socket_ops::background_getnameinfo(o->cancel_token_, o->endpoint_.data(), - o->endpoint_.size(), host_name, NI_MAXHOST, service_name, NI_MAXSERV, - o->endpoint_.protocol().type(), o->ec_); - o->results_ = results_type::create(o->endpoint_, host_name, service_name); - - // Pass operation back to main io_context for completion. - o->io_context_impl_.post_deferred_completion(o); - p.v = p.p = 0; - } - else - { - // The operation has been returned to the main io_context. The completion - // handler is ready to be delivered. - - 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, asio::error_code, results_type> - handler(o->handler_, o->ec_, o->results_); - p.h = asio::detail::addressof(handler.handler_); - p.reset(); - - if (owner) - { - fenced_block b(fenced_block::half); - ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_, "...")); - w.complete(handler, handler.handler_); - ASIO_HANDLER_INVOCATION_END; - } - } - } - -private: - socket_ops::weak_cancel_token_type cancel_token_; - endpoint_type endpoint_; - io_context_impl& io_context_impl_; - Handler handler_; - results_type results_; -}; - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_DETAIL_RESOLVER_ENDPOINT_OP_HPP |