Release 4.11 samples/bpf/sockex2_user.c

#include <stdio.h>
#include <assert.h>
#include <linux/bpf.h>
#include "libbpf.h"
#include "bpf_load.h"
#include "sock_example.h"
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/resource.h>


struct pair {
	
__u64 packets;
	
__u64 bytes;
};



int main(int ac, char **argv)
{
	struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
	char filename[256];
	FILE *f;
	int i, sock;

	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
	setrlimit(RLIMIT_MEMLOCK, &r);

	if (load_bpf_file(filename)) {
		printf("%s", bpf_log_buf);
		return 1;
	}

	sock = open_raw_sock("lo");

	assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
			  sizeof(prog_fd[0])) == 0);

	f = popen("ping -c5 localhost", "r");
	(void) f;

	for (i = 0; i < 5; i++) {
		int key = 0, next_key;
		struct pair value;

		while (bpf_map_get_next_key(map_fd[0], &key, &next_key) == 0) {
			bpf_map_lookup_elem(map_fd[0], &next_key, &value);
			printf("ip %s bytes %lld packets %lld\n",
			       inet_ntoa((struct in_addr){htonl(next_key)}),
			       value.bytes, value.packets);
			key = next_key;
		}
		sleep(1);
	}
	return 0;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexei Starovoitov
206
91.15%
2
50.00%
William Tu
18
7.96%
1
25.00%
Joe Stringer
2
0.88%
1
25.00%
Total
226
100.00%
4
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Alexei Starovoitov
238
90.15%
2
40.00%
William Tu
21
7.95%
1
20.00%
Joe Stringer
5
1.89%
2
40.00%
Total
264
100.00%
5
100.00%
Directory: samples/bpf

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