Method getLocalPort

src/SFML/Network/TcpSocket.cpp:734–757

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unsigned short TcpSocket::getLocalPort() const
{
    if (getNativeHandle() != priv::SocketImpl::invalidSocket())
    {
        // Retrieve information about the local end of the socket
        sockaddr_in6                 addressV6{};
        priv::SocketImpl::AddrLength size = sizeof(addressV6);
        if (getsockname(getNativeHandle(), reinterpret_cast<sockaddr*>(&addressV6), &size) != -1)
        {
            if (addressV6.sin6_family == PF_INET6)
                return ntohs(addressV6.sin6_port);

            if (addressV6.sin6_family == PF_INET)
            {
                sockaddr_in addressV4{};
                std::memcpy(&addressV4, &addressV6, sizeof(addressV4));
                return ntohs(addressV4.sin_port);
            }
        }
    }

    // We failed to retrieve the port
    return 0;
}


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