6 #include "sock_example.h"
9 #include <sys/resource.h>
16 int main(int ac, char **argv)
18 struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
23 snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
24 setrlimit(RLIMIT_MEMLOCK, &r);
26 if (load_bpf_file(filename)) {
27 printf("%s", bpf_log_buf);
31 sock = open_raw_sock("lo");
33 assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
34 sizeof(prog_fd[0])) == 0);
36 f = popen("ping -c5 localhost", "r");
39 for (i = 0; i < 5; i++) {
40 int key = 0, next_key;
43 while (bpf_map_get_next_key(map_fd[0], &key, &next_key) == 0) {
44 bpf_map_lookup_elem(map_fd[0], &next_key, &value);
45 printf("ip %s bytes %lld packets %lld\n",
46 inet_ntoa((struct in_addr){htonl(next_key)}),
47 value.bytes, value.packets);