InterfaceAddressList.cxx

// cosmos
#include <cosmos/error/ApiError.hxx>
#include <cosmos/net/InterfaceAddressList.hxx>
 
namespace cosmos {
 
// this is only an interface wrapper around the system structure, no
// additional data must be added so that pointers can be casted from ifaddrs
// to InterfaceAddress.
static_assert(sizeof(InterfaceAddress) == sizeof(struct ifaddrs));
 
void InterfaceAddressList::fetch() {
        clear();
        if (::getifaddrs(&m_addrs) != 0) {
                cosmos_throw (ApiError("getifaddrs()"));
        }
}
 
void InterfaceAddressList::clear() {
        if (m_addrs) {
                ::freeifaddrs(m_addrs);
                m_addrs = nullptr;
        }
}
 
} // end ns