linklayer_endpoint.hpp

#ifndef LINKLAYER_ENDPOINT_HPP_DMNJI8U6
#define LINKLAYER_ENDPOINT_HPP_DMNJI8U6
 
#include <boost/asio/detail/socket_ops.hpp>
#include <boost/asio/detail/socket_types.hpp>
#include <netpacket/packet.h>
 
namespace vanetza
{
namespace asio
{
 
template<typename Protocol>
class linklayer_endpoint
{
    public:
    typedef boost::asio::detail::socket_addr_type sockaddr_type;
    typedef sockaddr_ll sockaddr_ll_type;
 
    linklayer_endpoint() : m_data() {
        Protocol protocol;
        m_data.link.sll_family = protocol.family();
        m_data.link.sll_protocol = boost::asio::detail::socket_ops::host_to_network_short(protocol.protocol());
        m_data.link.sll_ifindex = protocol.interface_index();
    }
 
    linklayer_endpoint(const Protocol& protocol) : m_data() {
        m_data.link.sll_family = protocol.family();
        m_data.link.sll_protocol = boost::asio::detail::socket_ops::host_to_network_short(protocol.protocol());
        m_data.link.sll_ifindex = protocol.interface_index();
    }
 
    const sockaddr_type* data() const
    {
        return &m_data.base;
    }
 
    std::size_t size() const
    {
        return sizeof(sockaddr_ll_type);
    }
 
    Protocol protocol() const { return Protocol(); }
 
    private:
    union data_union {
        sockaddr_type base;
        sockaddr_ll_type link;
    } m_data;
};
 
} // namespace asio
} // namespace vanetza
 
#endif /* LINKLAYER_ENDPOINT_HPP_DMNJI8U6 */