receiver.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <arpa/inet.h>

#include <libmnl/libmnl.h>

int main(void)
{
        struct mnl_socket *nl;
        char buf[8192];
        struct nlmsghdr *nlh;
        struct nfgenmsg *nfh;
        int ret;

        nl = mnl_socket_open(NETLINK_USERSOCK);
        if (nl == NULL) {
                perror("mnl_socket_open");
                exit(EXIT_FAILURE);
        }

        if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
                perror("mnl_socket_bind");
                exit(EXIT_FAILURE);
        }

        printf("receiver at netlink port ID %u\n", mnl_socket_get_portid(nl));

        pause();
/*
        while (1) {
                ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
                if (ret == -1) {
                        perror("mnl_socket_recvfrom");
                        exit(EXIT_FAILURE);
                }

                printf("received data\n");
        }
*/
        mnl_socket_close(nl);

        return 0;
}