1/*
2 * nl-list-sockets.c	Pretty-print /proc/net/netlink
3 *
4 *	This library is free software; you can redistribute it and/or
5 *	modify it under the terms of the GNU Lesser General Public
6 *	License as published by the Free Software Foundation version 2.1
7 *	of the License.
8 *
9 * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
10 */
11
12#include <netlink/cli/utils.h>
13
14#define PROC_NETLINK "/proc/net/netlink"
15
16int main(int argc, char *argv[])
17{
18	FILE *fd;
19	char buf[2048], p[64];
20
21	fd = fopen(PROC_NETLINK, "r");
22	if (fd == NULL) {
23		perror("fopen");
24		return -1;
25	}
26
27	printf("Address            Family           PID    Groups   rmem   "
28	       "wmem   CB         refcnt\n");
29
30	while (fgets(buf, sizeof(buf), fd)) {
31		unsigned long sk, cb;
32		int ret, proto, pid, rmem, wmem, refcnt;
33		uint32_t groups;
34
35		ret = sscanf(buf, "%lx %d %d %08x %d %d %lx %d\n",
36			     &sk, &proto, &pid, &groups, &rmem, &wmem,
37			     &cb, &refcnt);
38		if (ret != 8)
39			continue;
40
41		printf("0x%016lx %-16s %-6d %08x %-6d %-6d 0x%08lx %d\n",
42			sk, nl_nlfamily2str(proto, p, sizeof(p)), pid,
43			groups, rmem, wmem, cb, refcnt);
44	}
45
46	fclose(fd);
47
48	return 0;
49}
50