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#include <netlink/msg.h>
#include <netlink/attr.h>
enum {
MY_ATTR_FOO = 1,
MY_ATTR_BAR,
__MY_ATTR_MAX,
};
#define MY_ATTR_MAX (__MY_ATTR_MAX - 1)
static struct nla_policy my_policy[MY_ATTR_MAX+1] = {
[MY_ATTR_FOO] = { .type = NLA_U32 },
[MY_ATTR_BAR] = { .type = NLA_STRING,
.maxlen = 16 },
};
void parse_msg(struct nlmsghdr *nlh)
{
struct nlattr *attrs[MY_ATTR_MAX+1];
if (nlmsg_parse(nlh, 0, attrs, MY_ATTR_MAX, my_policy) < 0)
/* error */
if (attrs[MY_ATTR_FOO]) {
/* MY_ATTR_FOO is present in message */
printf("value: %u\n", nla_get_u32(attrs[MY_ATTR_FOO]));
}
}
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