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 (at) 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 } 50
