85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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Copyright (c) 2016, Steven Siloti
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_IP_NOTIFIER_HPP_INCLUDED
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#define TORRENT_IP_NOTIFIER_HPP_INCLUDED
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#include <functional>
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#include <array>
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/io_service.hpp"
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#if defined TORRENT_BUILD_SIMULATOR
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// TODO: simulator support
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#elif TORRENT_USE_NETLINK
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#include "libtorrent/netlink.hpp"
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#elif defined TORRENT_WINDOWS
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#include <boost/asio/windows/object_handle.hpp>
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#include "libtorrent/aux_/disable_warnings_pop.hpp"
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#endif
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namespace libtorrent
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{
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struct ip_change_notifier
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{
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explicit ip_change_notifier(io_service& ios);
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~ip_change_notifier();
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ip_change_notifier(ip_change_notifier const&) = delete;
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ip_change_notifier& operator=(ip_change_notifier const&) = delete;
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// cb will be invoked when a change is detected in the
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// system's IP addresses
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void async_wait(std::function<void(error_code const&)> cb);
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void cancel();
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private:
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void on_notify(error_code const& error
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, std::size_t bytes_transferred
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, std::function<void(error_code const&)> cb);
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#if defined TORRENT_BUILD_SIMULATOR
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// TODO: simulator support
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#elif TORRENT_USE_NETLINK
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netlink::socket m_socket;
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std::array<char, 4096> m_buf;
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#elif defined TORRENT_WINDOWS
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OVERLAPPED m_ovl = {};
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boost::asio::windows::object_handle m_hnd;
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#endif
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};
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}
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#endif
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