pimd/pim_str.c

   1 /*
   2   PIM for Quagga
   3   Copyright (C) 2008  Everton da Silva Marques
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful, but
  11   WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 <<<<<<< HEAD
  20
  21 =======
  22 >>>>>>> origin/master
  23 */
  24
  25 #include <zebra.h>
  26
  27 #include <stdio.h>
  28 #include <errno.h>
  29 #include <string.h>
  30
  31 #include "log.h"
  32
  33 #include "pim_str.h"
  34
  35 void pim_addr_dump (const char *onfail, struct prefix *p, char *buf, int buf_size)
  36 {
  37   int save_errno = errno;
  38
  39   if (!inet_ntop(p->family, &p->u.prefix, buf, buf_size)) {
  40     zlog_warn("pim_addr_dump: inet_ntop(buf_size=%d): errno=%d: %s",
  41               buf_size, errno, safe_strerror(errno));
  42     if (onfail)
  43       snprintf(buf, buf_size, "%s", onfail);
  44   }
  45
  46   errno = save_errno;
  47 }
  48
  49 void pim_inet4_dump(const char *onfail, struct in_addr addr, char *buf, int buf_size)
  50 {
  51   int save_errno = errno;
  52
  53   if (addr.s_addr == INADDR_ANY)
  54     strcpy(buf, "*");
  55   else
  56     {
  57       if (!inet_ntop(AF_INET, &addr, buf, buf_size)) {
  58         zlog_warn("pim_inet4_dump: inet_ntop(AF_INET,buf_size=%d): errno=%d: %s",
  59                   buf_size, errno, safe_strerror(errno));
  60       if (onfail)
  61         snprintf(buf, buf_size, "%s", onfail);
  62     }
  63   }
  64
  65   errno = save_errno;
  66 }
  67
  68 char *
  69 pim_str_sg_dump (const struct prefix_sg *sg)
  70 {
  71   char src_str[INET_ADDRSTRLEN];
  72   char grp_str[INET_ADDRSTRLEN];
  73   static char sg_str[PIM_SG_LEN];
  74
  75   pim_inet4_dump ("<src?>", sg->src, src_str, sizeof(src_str));
  76   pim_inet4_dump ("<grp?>", sg->grp, grp_str, sizeof(grp_str));
  77   snprintf (sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str);
  78
  79   return sg_str;
  80 }
  81
  82 char *
  83 pim_str_sg_set (const struct prefix_sg *sg, char *sg_str)
  84 {
  85   char src_str[INET_ADDRSTRLEN];
  86   char grp_str[INET_ADDRSTRLEN];
  87
  88   pim_inet4_dump ("<src?>", sg->src, src_str, sizeof(src_str));
  89   pim_inet4_dump ("<grp?>", sg->grp, grp_str, sizeof(grp_str));
  90   snprintf (sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str);
  91
  92   return sg_str;
  93 }