Commit | Line | Data |
---|---|---|
fbe33108 AS |
1 | #include <stdio.h> |
2 | #include <assert.h> | |
3 | #include <linux/bpf.h> | |
4 | #include "libbpf.h" | |
5 | #include "bpf_load.h" | |
6 | #include <unistd.h> | |
7 | #include <arpa/inet.h> | |
eb88d585 | 8 | #include <sys/resource.h> |
fbe33108 | 9 | |
614cd3bd AS |
10 | struct pair { |
11 | __u64 packets; | |
12 | __u64 bytes; | |
13 | }; | |
14 | ||
fbe33108 AS |
15 | int main(int ac, char **argv) |
16 | { | |
eb88d585 | 17 | struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; |
fbe33108 AS |
18 | char filename[256]; |
19 | FILE *f; | |
20 | int i, sock; | |
21 | ||
22 | snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); | |
eb88d585 | 23 | setrlimit(RLIMIT_MEMLOCK, &r); |
fbe33108 AS |
24 | |
25 | if (load_bpf_file(filename)) { | |
26 | printf("%s", bpf_log_buf); | |
27 | return 1; | |
28 | } | |
29 | ||
30 | sock = open_raw_sock("lo"); | |
31 | ||
32 | assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd, | |
33 | sizeof(prog_fd[0])) == 0); | |
34 | ||
35 | f = popen("ping -c5 localhost", "r"); | |
36 | (void) f; | |
37 | ||
38 | for (i = 0; i < 5; i++) { | |
39 | int key = 0, next_key; | |
614cd3bd | 40 | struct pair value; |
fbe33108 AS |
41 | |
42 | while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) { | |
43 | bpf_lookup_elem(map_fd[0], &next_key, &value); | |
614cd3bd | 44 | printf("ip %s bytes %lld packets %lld\n", |
fbe33108 | 45 | inet_ntoa((struct in_addr){htonl(next_key)}), |
614cd3bd | 46 | value.bytes, value.packets); |
fbe33108 AS |
47 | key = next_key; |
48 | } | |
49 | sleep(1); | |
50 | } | |
51 | return 0; | |
52 | } |