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