premiere-libtorrent/include/libtorrent/union_endpoint.hpp

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/*
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Copyright (c) 2010-2018, Arvid Norberg
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All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TORRENT_UNION_ENDPOINT_HPP_INCLUDED
#define TORRENT_UNION_ENDPOINT_HPP_INCLUDED
#include "libtorrent/socket.hpp"
#include "libtorrent/address.hpp"
namespace libtorrent {
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struct union_address
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{
union_address() { *this = address(); }
explicit union_address(address const& a) { *this = a; }
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union_address& operator=(address const& a)
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{
#if TORRENT_USE_IPV6
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v4 = a.is_v4();
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if (v4)
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addr.v4 = a.to_v4().to_bytes();
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else
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addr.v6 = a.to_v6().to_bytes();
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#else
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addr.v4 = a.to_v4().to_bytes();
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#endif
return *this;
}
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bool operator==(union_address const& rh) const
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{
#if TORRENT_USE_IPV6
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if (v4 != rh.v4) return false;
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if (v4)
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return addr.v4 == rh.addr.v4;
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else
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return addr.v6 == rh.addr.v6;
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#else
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return addr.v4 == rh.addr.v4;
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#endif
}
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bool operator!=(union_address const& rh) const
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{
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return !(*this == rh);
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}
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operator address() const
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{
#if TORRENT_USE_IPV6
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if (v4) return address(address_v4(addr.v4));
else return address(address_v6(addr.v6));
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#else
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return address(address_v4(addr.v4));
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#endif
}
union addr_t
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{
address_v4::bytes_type v4;
#if TORRENT_USE_IPV6
address_v6::bytes_type v6;
#endif
} addr;
#if TORRENT_USE_IPV6
bool v4:1;
#endif
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};
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struct union_endpoint
{
explicit union_endpoint(tcp::endpoint const& ep) { *this = ep; }
explicit union_endpoint(udp::endpoint const& ep) { *this = ep; }
union_endpoint() { *this = tcp::endpoint(); }
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union_endpoint& operator=(udp::endpoint const& ep)
{
addr = ep.address();
port = ep.port();
return *this;
}
operator udp::endpoint() const { return udp::endpoint(addr, port); }
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union_endpoint& operator=(tcp::endpoint const& ep)
{
addr = ep.address();
port = ep.port();
return *this;
}
libtorrent::address address() const { return addr; }
operator tcp::endpoint() const { return tcp::endpoint(addr, port); }
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union_address addr;
std::uint16_t port;
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};
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}
#endif