forked from premiere/premiere-libtorrent
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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Copyright (c) 2013-2016, Arvid Norberg
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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_RESOLVER_INTERFACE_HPP_INCLUDE
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#define TORRENT_RESOLVER_INTERFACE_HPP_INCLUDE
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#include <vector>
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/address.hpp"
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#include <boost/function.hpp>
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#include "libtorrent/aux_/disable_warnings_pop.hpp"
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namespace libtorrent
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{
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struct TORRENT_EXTRA_EXPORT resolver_interface
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{
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typedef boost::function<void(error_code const&, std::vector<address> const&)>
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callback_t;
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enum flags_t
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{
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// this flag will make async_resolve() always use the cache if we have an
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// entry, regardless of how old it is. This is usefull when completing the
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// lookup quickly is more important than accuracy
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prefer_cache = 1,
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// set this flag for lookups that are not critical during shutdown. i.e.
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// for looking up tracker names _except_ when stopping a tracker.
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abort_on_shutdown = 2
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};
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virtual void async_resolve(std::string const& host, int flags
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, callback_t const& h) = 0;
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virtual void abort() = 0;
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protected:
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~resolver_interface() {}
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};
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}
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#endif
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