9 int main(int ac, char **argv)
15 snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
17 if (load_bpf_file(filename)) {
18 printf("%s", bpf_log_buf);
22 sock = open_raw_sock("lo");
24 assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
25 sizeof(prog_fd[0])) == 0);
27 f = popen("ping -c5 localhost", "r");
30 for (i = 0; i < 5; i++) {
31 int key = 0, next_key;
34 while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) {
35 bpf_lookup_elem(map_fd[0], &next_key, &value);
36 printf("ip %s count %lld\n",
37 inet_ntoa((struct in_addr){htonl(next_key)}),