nexmon – Blame information for rev 1

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1 office 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  
16 int 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 }