C++ (Cpp) net_get_unique_predictable_data Examples

Example #1

File: networkd-ipv4ll.c Project: lnykryn/systemd

int ipv4ll_configure(Link *link) {
        uint8_t seed[8];
        int r;

        assert(link);
        assert(link->network);
        assert(link->network->link_local & ADDRESS_FAMILY_IPV4);

        if (!link->ipv4ll) {
                r = sd_ipv4ll_new(&link->ipv4ll);
                if (r < 0)
                        return r;
        }

        if (link->udev_device) {
                r = net_get_unique_predictable_data(link->udev_device, seed);
                if (r >= 0) {
                        assert_cc(sizeof(unsigned) <= 8);

                        r = sd_ipv4ll_set_address_seed(link->ipv4ll, *(unsigned *)seed);
                        if (r < 0)
                                return r;
                }
        }

        r = sd_ipv4ll_attach_event(link->ipv4ll, NULL, 0);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_index(link->ipv4ll, link->ifindex);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_callback(link->ipv4ll, ipv4ll_handler, link);
        if (r < 0)
                return r;

        return 0;
}

Example #2

File: networkd-ipv4ll.c Project: pwaller/systemd

int ipv4ll_configure(Link *link) {
        uint8_t seed[8];
        int r;

        assert(link);
        assert(link->network);
        assert(link->network->ipv4ll);

        r = sd_ipv4ll_new(&link->ipv4ll);
        if (r < 0)
                return r;

        if (link->udev_device) {
                r = net_get_unique_predictable_data(link->udev_device, seed);
                if (r >= 0) {
                        r = sd_ipv4ll_set_address_seed(link->ipv4ll, seed);
                        if (r < 0)
                                return r;
                }
        }

        r = sd_ipv4ll_attach_event(link->ipv4ll, NULL, 0);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_index(link->ipv4ll, link->ifindex);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_callback(link->ipv4ll, ipv4ll_handler, link);
        if (r < 0)
                return r;

        return 0;
}

Example #3

File: networkd-ipv4ll.c Project: halfline/systemd

int ipv4ll_configure(Link *link) {
        uint64_t seed;
        int r;

        assert(link);
        assert(link->network);
        assert(link->network->link_local & ADDRESS_FAMILY_IPV4);

        if (!link->ipv4ll) {
                r = sd_ipv4ll_new(&link->ipv4ll);
                if (r < 0)
                        return r;
        }

        if (link->sd_device &&
            net_get_unique_predictable_data(link->sd_device, &seed) >= 0) {
                r = sd_ipv4ll_set_address_seed(link->ipv4ll, seed);
                if (r < 0)
                        return r;
        }

        r = sd_ipv4ll_attach_event(link->ipv4ll, NULL, 0);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_ifindex(link->ipv4ll, link->ifindex);
        if (r < 0)
                return r;

        r = sd_ipv4ll_set_callback(link->ipv4ll, ipv4ll_handler, link);
        if (r < 0)
                return r;

        return 0;
}