McastSock.cpp

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// The Reactive C++ Toolbox.
// Copyright (C) 2013-2019 Swirly Cloud Limited
// Copyright (C) 2021 Reactive Markets Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#include "McastSock.hpp"
 
namespace toolbox {
inline namespace net {
 
IpMcastGroup::IpMcastGroup(const IpAddr& addr, unsigned ifindex) noexcept
{
    if (addr.is_v6()) {
        const auto& bytes = addr.to_v6().to_bytes();
        family = AF_INET6;
        memcpy(&ipv6.ipv6mr_multiaddr, bytes.data(), bytes.size());
        ipv6.ipv6mr_interface = ifindex;
    } else {
        assert(addr.is_v4());
        const auto& bytes = addr.to_v4().to_bytes();
        family = AF_INET;
        memcpy(&ipv4.imr_multiaddr, bytes.data(), bytes.size());
        ipv4.imr_ifindex = ifindex;
    }
}
 
} // namespace net
} // namespace toolbox