Alexei Starovoitov | fbe3310 | 2014-12-01 15:06:39 -0800 | [diff] [blame] | 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 | |
Alexei Starovoitov | 614cd3b | 2015-03-13 11:57:43 -0700 | [diff] [blame^] | 9 | struct pair { |
| 10 | __u64 packets; |
| 11 | __u64 bytes; |
| 12 | }; |
| 13 | |
Alexei Starovoitov | fbe3310 | 2014-12-01 15:06:39 -0800 | [diff] [blame] | 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; |
Alexei Starovoitov | 614cd3b | 2015-03-13 11:57:43 -0700 | [diff] [blame^] | 37 | struct pair value; |
Alexei Starovoitov | fbe3310 | 2014-12-01 15:06:39 -0800 | [diff] [blame] | 38 | |
| 39 | while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) { |
| 40 | bpf_lookup_elem(map_fd[0], &next_key, &value); |
Alexei Starovoitov | 614cd3b | 2015-03-13 11:57:43 -0700 | [diff] [blame^] | 41 | printf("ip %s bytes %lld packets %lld\n", |
Alexei Starovoitov | fbe3310 | 2014-12-01 15:06:39 -0800 | [diff] [blame] | 42 | inet_ntoa((struct in_addr){htonl(next_key)}), |
Alexei Starovoitov | 614cd3b | 2015-03-13 11:57:43 -0700 | [diff] [blame^] | 43 | value.bytes, value.packets); |
Alexei Starovoitov | fbe3310 | 2014-12-01 15:06:39 -0800 | [diff] [blame] | 44 | key = next_key; |
| 45 | } |
| 46 | sleep(1); |
| 47 | } |
| 48 | return 0; |
| 49 | } |