8 #include <sys/resource.h>
15 int main(int ac, char **argv)
17 struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
22 snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
23 setrlimit(RLIMIT_MEMLOCK, &r);
25 if (load_bpf_file(filename)) {
26 printf("%s", bpf_log_buf);
30 sock = open_raw_sock("lo");
32 assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
33 sizeof(prog_fd[0])) == 0);
35 f = popen("ping -c5 localhost", "r");
38 for (i = 0; i < 5; i++) {
39 int key = 0, next_key;
42 while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) {
43 bpf_lookup_elem(map_fd[0], &next_key, &value);
44 printf("ip %s bytes %lld packets %lld\n",
45 inet_ntoa((struct in_addr){htonl(next_key)}),
46 value.bytes, value.packets);