nexmon – Rev 1

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#include "../src/utils.h"

int main(int argc, char *argv[])
{
        struct nl_sock *sock;
        struct nl_msg *msg;
        void *hdr;
        int err;

        sock = nlt_alloc_socket();
        nlt_connect(sock, NETLINK_GENERIC);

        msg = nlmsg_alloc();
        if (msg == NULL)
                fatal(NLE_NOMEM, "Unable to allocate netlink message");

        hdr = genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, GENL_ID_CTRL,
                          0, 0, CTRL_CMD_GETFAMILY, 1);
        if (hdr == NULL)
                fatal(ENOMEM, "Unable to write genl header");

        if ((err = nla_put_u32(msg, CTRL_ATTR_FAMILY_ID, GENL_ID_CTRL)) < 0)
                fatal(err, "Unable to add attribute: %s", nl_geterror(err));

        if ((err = nl_send_auto_complete(sock, msg)) < 0)
                fatal(err, "Unable to send message: %s", nl_geterror(err));

        if ((err = nl_recvmsgs_default(sock)) < 0)
                fatal(err, "Unable to receive message: %s", nl_geterror(err));

        nlmsg_free(msg);
        nl_close(sock);
        nl_socket_free(sock);

        return 0;
}