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diff --git a/3rdparty/asio/include/asio/impl/connect.hpp b/3rdparty/asio/include/asio/impl/connect.hpp
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+//
+// impl/connect.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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_IMPL_CONNECT_HPP
+#define ASIO_IMPL_CONNECT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <algorithm>
+#include "asio/associator.hpp"
+#include "asio/detail/base_from_cancellation_state.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/handler_tracking.hpp"
+#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/post.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+namespace detail
+{
+ struct default_connect_condition
+ {
+ template <typename Endpoint>
+ bool operator()(const asio::error_code&, const Endpoint&)
+ {
+ return true;
+ }
+ };
+
+ template <typename Protocol, typename Iterator>
+ inline typename Protocol::endpoint deref_connect_result(
+ Iterator iter, asio::error_code& ec)
+ {
+ return ec ? typename Protocol::endpoint() : *iter;
+ }
+
+ template <typename T, typename Iterator>
+ struct legacy_connect_condition_helper : T
+ {
+ typedef char (*fallback_func_type)(...);
+ operator fallback_func_type() const;
+ };
+
+ template <typename R, typename Arg1, typename Arg2, typename Iterator>
+ struct legacy_connect_condition_helper<R (*)(Arg1, Arg2), Iterator>
+ {
+ R operator()(Arg1, Arg2) const;
+ char operator()(...) const;
+ };
+
+ template <typename T, typename Iterator>
+ struct is_legacy_connect_condition
+ {
+ static char asio_connect_condition_check(char);
+ static char (&asio_connect_condition_check(Iterator))[2];
+
+ static const bool value =
+ sizeof(asio_connect_condition_check(
+ (*static_cast<legacy_connect_condition_helper<T, Iterator>*>(0))(
+ *static_cast<const asio::error_code*>(0),
+ *static_cast<const Iterator*>(0)))) != 1;
+ };
+
+ template <typename ConnectCondition, typename Iterator>
+ inline Iterator call_connect_condition(ConnectCondition& connect_condition,
+ const asio::error_code& ec, Iterator next, Iterator end,
+ typename enable_if<is_legacy_connect_condition<
+ ConnectCondition, Iterator>::value>::type* = 0)
+ {
+ if (next != end)
+ return connect_condition(ec, next);
+ return end;
+ }
+
+ template <typename ConnectCondition, typename Iterator>
+ inline Iterator call_connect_condition(ConnectCondition& connect_condition,
+ const asio::error_code& ec, Iterator next, Iterator end,
+ typename enable_if<!is_legacy_connect_condition<
+ ConnectCondition, Iterator>::value>::type* = 0)
+ {
+ for (;next != end; ++next)
+ if (connect_condition(ec, *next))
+ return next;
+ return end;
+ }
+}
+
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ asio::error_code ec;
+ typename Protocol::endpoint result = connect(s, endpoints, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints, asio::error_code& ec,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ return detail::deref_connect_result<Protocol>(
+ connect(s, endpoints.begin(), endpoints.end(),
+ detail::default_connect_condition(), ec), ec);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ asio::error_code ec;
+ Iterator result = connect(s, begin, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor, typename Iterator>
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
+ Iterator begin, asio::error_code& ec,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ return connect(s, begin, Iterator(), detail::default_connect_condition(), ec);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
+ Iterator begin, Iterator end)
+{
+ asio::error_code ec;
+ Iterator result = connect(s, begin, end, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor, typename Iterator>
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
+ Iterator begin, Iterator end, asio::error_code& ec)
+{
+ return connect(s, begin, end, detail::default_connect_condition(), ec);
+}
+
+template <typename Protocol, typename Executor,
+ typename EndpointSequence, typename ConnectCondition>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints, ConnectCondition connect_condition,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ asio::error_code ec;
+ typename Protocol::endpoint result = connect(
+ s, endpoints, connect_condition, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor,
+ typename EndpointSequence, typename ConnectCondition>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints, ConnectCondition connect_condition,
+ asio::error_code& ec,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ return detail::deref_connect_result<Protocol>(
+ connect(s, endpoints.begin(), endpoints.end(),
+ connect_condition, ec), ec);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol, Executor>& s,
+ Iterator begin, ConnectCondition connect_condition,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ asio::error_code ec;
+ Iterator result = connect(s, begin, connect_condition, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition>
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
+ Iterator begin, ConnectCondition connect_condition,
+ asio::error_code& ec,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ return connect(s, begin, Iterator(), connect_condition, ec);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ Iterator end, ConnectCondition connect_condition)
+{
+ asio::error_code ec;
+ Iterator result = connect(s, begin, end, connect_condition, ec);
+ asio::detail::throw_error(ec, "connect");
+ return result;
+}
+
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ Iterator end, ConnectCondition connect_condition,
+ asio::error_code& ec)
+{
+ ec = asio::error_code();
+
+ for (Iterator iter = begin; iter != end; ++iter)
+ {
+ iter = (detail::call_connect_condition(connect_condition, ec, iter, end));
+ if (iter != end)
+ {
+ s.close(ec);
+ s.connect(*iter, ec);
+ if (!ec)
+ return iter;
+ }
+ else
+ break;
+ }
+
+ if (!ec)
+ ec = asio::error::not_found;
+
+ return end;
+}
+
+namespace detail
+{
+ // Enable the empty base class optimisation for the connect condition.
+ template <typename ConnectCondition>
+ class base_from_connect_condition
+ {
+ protected:
+ explicit base_from_connect_condition(
+ const ConnectCondition& connect_condition)
+ : connect_condition_(connect_condition)
+ {
+ }
+
+ template <typename Iterator>
+ void check_condition(const asio::error_code& ec,
+ Iterator& iter, Iterator& end)
+ {
+ iter = detail::call_connect_condition(connect_condition_, ec, iter, end);
+ }
+
+ private:
+ ConnectCondition connect_condition_;
+ };
+
+ // The default_connect_condition implementation is essentially a no-op. This
+ // template specialisation lets us eliminate all costs associated with it.
+ template <>
+ class base_from_connect_condition<default_connect_condition>
+ {
+ protected:
+ explicit base_from_connect_condition(const default_connect_condition&)
+ {
+ }
+
+ template <typename Iterator>
+ void check_condition(const asio::error_code&, Iterator&, Iterator&)
+ {
+ }
+ };
+
+ template <typename Protocol, typename Executor, typename EndpointSequence,
+ typename ConnectCondition, typename RangeConnectHandler>
+ class range_connect_op
+ : public base_from_cancellation_state<RangeConnectHandler>,
+ base_from_connect_condition<ConnectCondition>
+ {
+ public:
+ range_connect_op(basic_socket<Protocol, Executor>& sock,
+ const EndpointSequence& endpoints,
+ const ConnectCondition& connect_condition,
+ RangeConnectHandler& handler)
+ : base_from_cancellation_state<RangeConnectHandler>(
+ handler, enable_partial_cancellation()),
+ base_from_connect_condition<ConnectCondition>(connect_condition),
+ socket_(sock),
+ endpoints_(endpoints),
+ index_(0),
+ start_(0),
+ handler_(ASIO_MOVE_CAST(RangeConnectHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ range_connect_op(const range_connect_op& other)
+ : base_from_cancellation_state<RangeConnectHandler>(other),
+ base_from_connect_condition<ConnectCondition>(other),
+ socket_(other.socket_),
+ endpoints_(other.endpoints_),
+ index_(other.index_),
+ start_(other.start_),
+ handler_(other.handler_)
+ {
+ }
+
+ range_connect_op(range_connect_op&& other)
+ : base_from_cancellation_state<RangeConnectHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ RangeConnectHandler>)(other)),
+ base_from_connect_condition<ConnectCondition>(other),
+ socket_(other.socket_),
+ endpoints_(other.endpoints_),
+ index_(other.index_),
+ start_(other.start_),
+ handler_(ASIO_MOVE_CAST(RangeConnectHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec, int start = 0)
+ {
+ this->process(ec, start,
+ const_cast<const EndpointSequence&>(endpoints_).begin(),
+ const_cast<const EndpointSequence&>(endpoints_).end());
+ }
+
+ //private:
+ template <typename Iterator>
+ void process(asio::error_code ec,
+ int start, Iterator begin, Iterator end)
+ {
+ Iterator iter = begin;
+ std::advance(iter, index_);
+
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ this->check_condition(ec, iter, end);
+ index_ = std::distance(begin, iter);
+
+ if (iter != end)
+ {
+ socket_.close(ec);
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_connect"));
+ socket_.async_connect(*iter,
+ ASIO_MOVE_CAST(range_connect_op)(*this));
+ return;
+ }
+
+ if (start)
+ {
+ ec = asio::error::not_found;
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_connect"));
+ asio::post(socket_.get_executor(),
+ detail::bind_handler(
+ ASIO_MOVE_CAST(range_connect_op)(*this), ec));
+ return;
+ }
+
+ /* fall-through */ default:
+
+ if (iter == end)
+ break;
+
+ if (!socket_.is_open())
+ {
+ ec = asio::error::operation_aborted;
+ break;
+ }
+
+ if (!ec)
+ break;
+
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = asio::error::operation_aborted;
+ break;
+ }
+
+ ++iter;
+ ++index_;
+ }
+
+ ASIO_MOVE_OR_LVALUE(RangeConnectHandler)(handler_)(
+ static_cast<const asio::error_code&>(ec),
+ static_cast<const typename Protocol::endpoint&>(
+ ec || iter == end ? typename Protocol::endpoint() : *iter));
+ }
+ }
+
+ basic_socket<Protocol, Executor>& socket_;
+ EndpointSequence endpoints_;
+ std::size_t index_;
+ int start_;
+ RangeConnectHandler handler_;
+ };
+
+ template <typename Protocol, typename Executor, typename EndpointSequence,
+ typename ConnectCondition, typename RangeConnectHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ range_connect_op<Protocol, Executor, EndpointSequence,
+ ConnectCondition, RangeConnectHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor, typename EndpointSequence,
+ typename ConnectCondition, typename RangeConnectHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ range_connect_op<Protocol, Executor, EndpointSequence,
+ ConnectCondition, RangeConnectHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor, typename EndpointSequence,
+ typename ConnectCondition, typename RangeConnectHandler>
+ inline bool asio_handler_is_continuation(
+ range_connect_op<Protocol, Executor, EndpointSequence,
+ ConnectCondition, RangeConnectHandler>* this_handler)
+ {
+ return asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename Executor, typename Protocol,
+ typename EndpointSequence, typename ConnectCondition,
+ typename RangeConnectHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ range_connect_op<Protocol, Executor, EndpointSequence,
+ ConnectCondition, RangeConnectHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename Executor, typename Protocol,
+ typename EndpointSequence, typename ConnectCondition,
+ typename RangeConnectHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ range_connect_op<Protocol, Executor, EndpointSequence,
+ ConnectCondition, RangeConnectHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor>
+ class initiate_async_range_connect
+ {
+ public:
+ typedef Executor executor_type;
+
+ explicit initiate_async_range_connect(basic_socket<Protocol, Executor>& s)
+ : socket_(s)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return socket_.get_executor();
+ }
+
+ template <typename RangeConnectHandler,
+ typename EndpointSequence, typename ConnectCondition>
+ void operator()(ASIO_MOVE_ARG(RangeConnectHandler) handler,
+ const EndpointSequence& endpoints,
+ const ConnectCondition& connect_condition) const
+ {
+ // If you get an error on the following line it means that your
+ // handler does not meet the documented type requirements for an
+ // RangeConnectHandler.
+ ASIO_RANGE_CONNECT_HANDLER_CHECK(RangeConnectHandler,
+ handler, typename Protocol::endpoint) type_check;
+
+ non_const_lvalue<RangeConnectHandler> handler2(handler);
+ range_connect_op<Protocol, Executor, EndpointSequence, ConnectCondition,
+ typename decay<RangeConnectHandler>::type>(socket_, endpoints,
+ connect_condition, handler2.value)(asio::error_code(), 1);
+ }
+
+ private:
+ basic_socket<Protocol, Executor>& socket_;
+ };
+
+ template <typename Protocol, typename Executor, typename Iterator,
+ typename ConnectCondition, typename IteratorConnectHandler>
+ class iterator_connect_op
+ : public base_from_cancellation_state<IteratorConnectHandler>,
+ base_from_connect_condition<ConnectCondition>
+ {
+ public:
+ iterator_connect_op(basic_socket<Protocol, Executor>& sock,
+ const Iterator& begin, const Iterator& end,
+ const ConnectCondition& connect_condition,
+ IteratorConnectHandler& handler)
+ : base_from_cancellation_state<IteratorConnectHandler>(
+ handler, enable_partial_cancellation()),
+ base_from_connect_condition<ConnectCondition>(connect_condition),
+ socket_(sock),
+ iter_(begin),
+ end_(end),
+ start_(0),
+ handler_(ASIO_MOVE_CAST(IteratorConnectHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ iterator_connect_op(const iterator_connect_op& other)
+ : base_from_cancellation_state<IteratorConnectHandler>(other),
+ base_from_connect_condition<ConnectCondition>(other),
+ socket_(other.socket_),
+ iter_(other.iter_),
+ end_(other.end_),
+ start_(other.start_),
+ handler_(other.handler_)
+ {
+ }
+
+ iterator_connect_op(iterator_connect_op&& other)
+ : base_from_cancellation_state<IteratorConnectHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ IteratorConnectHandler>)(other)),
+ base_from_connect_condition<ConnectCondition>(other),
+ socket_(other.socket_),
+ iter_(other.iter_),
+ end_(other.end_),
+ start_(other.start_),
+ handler_(ASIO_MOVE_CAST(IteratorConnectHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec, int start = 0)
+ {
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ this->check_condition(ec, iter_, end_);
+
+ if (iter_ != end_)
+ {
+ socket_.close(ec);
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_connect"));
+ socket_.async_connect(*iter_,
+ ASIO_MOVE_CAST(iterator_connect_op)(*this));
+ return;
+ }
+
+ if (start)
+ {
+ ec = asio::error::not_found;
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_connect"));
+ asio::post(socket_.get_executor(),
+ detail::bind_handler(
+ ASIO_MOVE_CAST(iterator_connect_op)(*this), ec));
+ return;
+ }
+
+ /* fall-through */ default:
+
+ if (iter_ == end_)
+ break;
+
+ if (!socket_.is_open())
+ {
+ ec = asio::error::operation_aborted;
+ break;
+ }
+
+ if (!ec)
+ break;
+
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = asio::error::operation_aborted;
+ break;
+ }
+
+ ++iter_;
+ }
+
+ ASIO_MOVE_OR_LVALUE(IteratorConnectHandler)(handler_)(
+ static_cast<const asio::error_code&>(ec),
+ static_cast<const Iterator&>(iter_));
+ }
+ }
+
+ //private:
+ basic_socket<Protocol, Executor>& socket_;
+ Iterator iter_;
+ Iterator end_;
+ int start_;
+ IteratorConnectHandler handler_;
+ };
+
+ template <typename Protocol, typename Executor, typename Iterator,
+ typename ConnectCondition, typename IteratorConnectHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ iterator_connect_op<Protocol, Executor, Iterator,
+ ConnectCondition, IteratorConnectHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor, typename Iterator,
+ typename ConnectCondition, typename IteratorConnectHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ iterator_connect_op<Protocol, Executor, Iterator,
+ ConnectCondition, IteratorConnectHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor, typename Iterator,
+ typename ConnectCondition, typename IteratorConnectHandler>
+ inline bool asio_handler_is_continuation(
+ iterator_connect_op<Protocol, Executor, Iterator,
+ ConnectCondition, IteratorConnectHandler>* this_handler)
+ {
+ return asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename Executor, typename Protocol,
+ typename Iterator, typename ConnectCondition,
+ typename IteratorConnectHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ iterator_connect_op<Protocol, Executor, Iterator,
+ ConnectCondition, IteratorConnectHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename Executor, typename Protocol,
+ typename Iterator, typename ConnectCondition,
+ typename IteratorConnectHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ iterator_connect_op<Protocol, Executor, Iterator,
+ ConnectCondition, IteratorConnectHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Protocol, typename Executor>
+ class initiate_async_iterator_connect
+ {
+ public:
+ typedef Executor executor_type;
+
+ explicit initiate_async_iterator_connect(
+ basic_socket<Protocol, Executor>& s)
+ : socket_(s)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return socket_.get_executor();
+ }
+
+ template <typename IteratorConnectHandler,
+ typename Iterator, typename ConnectCondition>
+ void operator()(ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+ Iterator begin, Iterator end,
+ const ConnectCondition& connect_condition) const
+ {
+ // If you get an error on the following line it means that your
+ // handler does not meet the documented type requirements for an
+ // IteratorConnectHandler.
+ ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+ IteratorConnectHandler, handler, Iterator) type_check;
+
+ non_const_lvalue<IteratorConnectHandler> handler2(handler);
+ iterator_connect_op<Protocol, Executor, Iterator, ConnectCondition,
+ typename decay<IteratorConnectHandler>::type>(socket_, begin, end,
+ connect_condition, handler2.value)(asio::error_code(), 1);
+ }
+
+ private:
+ basic_socket<Protocol, Executor>& socket_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename Protocol, typename Executor, typename EndpointSequence,
+ typename ConnectCondition, typename RangeConnectHandler,
+ typename DefaultCandidate>
+struct associator<Associator,
+ detail::range_connect_op<Protocol, Executor,
+ EndpointSequence, ConnectCondition, RangeConnectHandler>,
+ DefaultCandidate>
+ : Associator<RangeConnectHandler, DefaultCandidate>
+{
+ static typename Associator<RangeConnectHandler, DefaultCandidate>::type get(
+ const detail::range_connect_op<Protocol, Executor,
+ EndpointSequence, ConnectCondition, RangeConnectHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<RangeConnectHandler, DefaultCandidate>::get(
+ h.handler_, c);
+ }
+};
+
+template <template <typename, typename> class Associator,
+ typename Protocol, typename Executor, typename Iterator,
+ typename ConnectCondition, typename IteratorConnectHandler,
+ typename DefaultCandidate>
+struct associator<Associator,
+ detail::iterator_connect_op<Protocol, Executor,
+ Iterator, ConnectCondition, IteratorConnectHandler>,
+ DefaultCandidate>
+ : Associator<IteratorConnectHandler, DefaultCandidate>
+{
+ static typename Associator<IteratorConnectHandler, DefaultCandidate>::type
+ get(
+ const detail::iterator_connect_op<Protocol, Executor,
+ Iterator, ConnectCondition, IteratorConnectHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<IteratorConnectHandler, DefaultCandidate>::get(
+ h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename Protocol, typename Executor, typename EndpointSequence,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::endpoint)) RangeConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(RangeConnectHandler,
+ void (asio::error_code, typename Protocol::endpoint))
+async_connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints,
+ ASIO_MOVE_ARG(RangeConnectHandler) handler,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ return async_initiate<RangeConnectHandler,
+ void (asio::error_code, typename Protocol::endpoint)>(
+ detail::initiate_async_range_connect<Protocol, Executor>(s),
+ handler, endpoints, detail::default_connect_condition());
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol, typename Executor, typename Iterator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ Iterator)) IteratorConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(IteratorConnectHandler,
+ void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ return async_initiate<IteratorConnectHandler,
+ void (asio::error_code, Iterator)>(
+ detail::initiate_async_iterator_connect<Protocol, Executor>(s),
+ handler, begin, Iterator(), detail::default_connect_condition());
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol, typename Executor, typename Iterator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ Iterator)) IteratorConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(IteratorConnectHandler,
+ void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin, Iterator end,
+ ASIO_MOVE_ARG(IteratorConnectHandler) handler)
+{
+ return async_initiate<IteratorConnectHandler,
+ void (asio::error_code, Iterator)>(
+ detail::initiate_async_iterator_connect<Protocol, Executor>(s),
+ handler, begin, end, detail::default_connect_condition());
+}
+
+template <typename Protocol, typename Executor,
+ typename EndpointSequence, typename ConnectCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ typename Protocol::endpoint)) RangeConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(RangeConnectHandler,
+ void (asio::error_code, typename Protocol::endpoint))
+async_connect(basic_socket<Protocol, Executor>& s,
+ const EndpointSequence& endpoints, ConnectCondition connect_condition,
+ ASIO_MOVE_ARG(RangeConnectHandler) handler,
+ typename constraint<is_endpoint_sequence<
+ EndpointSequence>::value>::type)
+{
+ return async_initiate<RangeConnectHandler,
+ void (asio::error_code, typename Protocol::endpoint)>(
+ detail::initiate_async_range_connect<Protocol, Executor>(s),
+ handler, endpoints, connect_condition);
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ Iterator)) IteratorConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(IteratorConnectHandler,
+ void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ ConnectCondition connect_condition,
+ ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+ typename constraint<!is_endpoint_sequence<Iterator>::value>::type)
+{
+ return async_initiate<IteratorConnectHandler,
+ void (asio::error_code, Iterator)>(
+ detail::initiate_async_iterator_connect<Protocol, Executor>(s),
+ handler, begin, Iterator(), connect_condition);
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Protocol, typename Executor,
+ typename Iterator, typename ConnectCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ Iterator)) IteratorConnectHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(IteratorConnectHandler,
+ void (asio::error_code, Iterator))
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+ Iterator end, ConnectCondition connect_condition,
+ ASIO_MOVE_ARG(IteratorConnectHandler) handler)
+{
+ return async_initiate<IteratorConnectHandler,
+ void (asio::error_code, Iterator)>(
+ detail::initiate_async_iterator_connect<Protocol, Executor>(s),
+ handler, begin, end, connect_condition);
+}
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_CONNECT_HPP