]>
Commit | Line | Data |
---|---|---|
a8085782 AS |
1 | #include <stdio.h> |
2 | #include <assert.h> | |
3 | #include <linux/bpf.h> | |
4 | #include "libbpf.h" | |
5 | #include "bpf_load.h" | |
9899694a | 6 | #include "sock_example.h" |
a8085782 AS |
7 | #include <unistd.h> |
8 | #include <arpa/inet.h> | |
9 | ||
10 | int main(int ac, char **argv) | |
11 | { | |
12 | char filename[256]; | |
13 | FILE *f; | |
14 | int i, sock; | |
15 | ||
16 | snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); | |
17 | ||
18 | if (load_bpf_file(filename)) { | |
19 | printf("%s", bpf_log_buf); | |
20 | return 1; | |
21 | } | |
22 | ||
23 | sock = open_raw_sock("lo"); | |
24 | ||
25 | assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd, | |
26 | sizeof(prog_fd[0])) == 0); | |
27 | ||
28 | f = popen("ping -c5 localhost", "r"); | |
29 | (void) f; | |
30 | ||
31 | for (i = 0; i < 5; i++) { | |
32 | long long tcp_cnt, udp_cnt, icmp_cnt; | |
33 | int key; | |
34 | ||
35 | key = IPPROTO_TCP; | |
d40fc181 | 36 | assert(bpf_map_lookup_elem(map_fd[0], &key, &tcp_cnt) == 0); |
a8085782 AS |
37 | |
38 | key = IPPROTO_UDP; | |
d40fc181 | 39 | assert(bpf_map_lookup_elem(map_fd[0], &key, &udp_cnt) == 0); |
a8085782 AS |
40 | |
41 | key = IPPROTO_ICMP; | |
d40fc181 | 42 | assert(bpf_map_lookup_elem(map_fd[0], &key, &icmp_cnt) == 0); |
a8085782 | 43 | |
614cd3bd | 44 | printf("TCP %lld UDP %lld ICMP %lld bytes\n", |
a8085782 AS |
45 | tcp_cnt, udp_cnt, icmp_cnt); |
46 | sleep(1); | |
47 | } | |
48 | ||
49 | return 0; | |
50 | } |