C++ (Cpp) ipv6_count_cidr_bits Examples

Example #1

File: test-packets.c Project: David-B55/ovs

static void
test_ipv6_masking(void)
{
    struct in6_addr dest;
    struct in6_addr mask;

    mask = ipv6_create_mask(0);
    dest = ipv6_addr_bitand(&in6addr_exact, &mask);
    assert(ipv6_count_cidr_bits(&dest) == 0);

    mask = ipv6_create_mask(1);
    dest = ipv6_addr_bitand(&in6addr_exact, &mask);
    assert(ipv6_count_cidr_bits(&dest) == 1);

    mask = ipv6_create_mask(13);
    dest = ipv6_addr_bitand(&in6addr_exact, &mask);
    assert(ipv6_count_cidr_bits(&dest) == 13);

    mask = ipv6_create_mask(127);
    dest = ipv6_addr_bitand(&in6addr_exact, &mask);
    assert(ipv6_count_cidr_bits(&dest) == 127);

    mask = ipv6_create_mask(128);
    dest = ipv6_addr_bitand(&in6addr_exact, &mask);
    assert(ipv6_count_cidr_bits(&dest) == 128);
}

Example #2

File: test-packets.c Project: David-B55/ovs

static void
test_ipv6_cidr(void)
{
    struct in6_addr dest;

    struct in6_addr src   = {{{ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, \
                                0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }}};

    dest = ipv6_create_mask(0);
    assert(ipv6_mask_is_any(&dest));
    assert(ipv6_count_cidr_bits(&dest) == 0);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(128);
    assert(ipv6_mask_is_exact(&dest));
    assert(ipv6_count_cidr_bits(&dest) == 128);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(1);
    assert(ipv6_count_cidr_bits(&dest) == 1);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(13);
    assert(ipv6_count_cidr_bits(&dest) == 13);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(64);
    assert(ipv6_count_cidr_bits(&dest) == 64);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(95);
    assert(ipv6_count_cidr_bits(&dest) == 95);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(96);
    assert(ipv6_count_cidr_bits(&dest) == 96);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(97);
    assert(ipv6_count_cidr_bits(&dest) == 97);
    assert(ipv6_is_cidr(&dest));

    dest = ipv6_create_mask(127);
    assert(ipv6_count_cidr_bits(&dest) == 127);
    assert(ipv6_is_cidr(&dest));

    src.s6_addr[8] = 0xf0;
    assert(ipv6_is_cidr(&src));
    assert(ipv6_count_cidr_bits(&src) == 68);

    src.s6_addr[15] = 0x01;
    assert(!ipv6_is_cidr(&src));
    src.s6_addr[15] = 0x00;
    assert(ipv6_is_cidr(&src));

    src.s6_addr[8] = 0x0f;
    assert(!ipv6_is_cidr(&src));
}

Example #3

File: packets.c Project: mashoujiang/openvswitch_1.4.6_v4v6

void
print_ipv6_masked(struct ds *s, const struct in6_addr *addr,
                  const struct in6_addr *mask)
{
    print_ipv6_addr(s, addr);
    if (mask && !ipv6_mask_is_exact(mask)) {
        if (ipv6_is_cidr(mask)) {
            int cidr_bits = ipv6_count_cidr_bits(mask);
            ds_put_format(s, "/%d", cidr_bits);
        } else {
            ds_put_char(s, '/');
            print_ipv6_addr(s, mask);
        }
    }
}

Example #4

File: lex.c Project: l8huang/ovs

static void
lex_token_format_masked_integer(const struct lex_token *token, struct ds *s)
{
    enum lex_format format = lex_token_get_format(token);

    lex_token_format_value(&token->value, format, s);
    ds_put_char(s, '/');

    const union mf_subvalue *mask = &token->mask;
    if (format == LEX_F_IPV4 && ip_is_cidr(mask->ipv4)) {
        ds_put_format(s, "%d", ip_count_cidr_bits(mask->ipv4));
    } else if (token->format == LEX_F_IPV6 && ipv6_is_cidr(&mask->ipv6)) {
        ds_put_format(s, "%d", ipv6_count_cidr_bits(&mask->ipv6));
    } else {
        lex_token_format_value(&token->mask, format, s);
    }
}