blob: 868006eba7e05df11f03538c03329a6e69549c9d [file] [log] [blame]
* nl-list-sockets.c Pretty-print /proc/net/netlink
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
* Copyright (c) 2003-2009 Thomas Graf <>
#include <netlink/cli/utils.h>
#define PROC_NETLINK "/proc/net/netlink"
int main(int argc, char *argv[])
FILE *fd;
char buf[2048], p[64];
fd = fopen(PROC_NETLINK, "r");
if (fd == NULL) {
return -1;
printf("Address Family PID Groups rmem "
"wmem CB refcnt\n");
while (fgets(buf, sizeof(buf), fd)) {
unsigned long sk, cb;
int ret, proto, pid, rmem, wmem, refcnt;
uint32_t groups;
ret = sscanf(buf, "%lx %d %d %08x %d %d %lx %d\n",
&sk, &proto, &pid, &groups, &rmem, &wmem,
&cb, &refcnt);
if (ret != 8)
printf("0x%016lx %-16s %-6d %08x %-6d %-6d 0x%08lx %d\n",
sk, nl_nlfamily2str(proto, p, sizeof(p)), pid,
groups, rmem, wmem, cb, refcnt);
return 0;