zebra/zebra_mroute.c

   1 /* zebra_mroute code
   2  * Copyright (C) 2016 Cumulus Networks, Inc.
   3  * Donald Sharp
   4  *
   5  * This file is part of Quagga
   6  *
   7  * Quagga is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * Quagga is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <zebra.h>
  23
  24 #include "stream.h"
  25 #include "prefix.h"
  26 #include "vrf.h"
  27 #include "rib.h"
  28
  29 #include "zebra/zserv.h"
  30 #include "zebra/zebra_vrf.h"
  31 #include "zebra/zebra_mroute.h"
  32 #include "zebra/rt.h"
  33 #include "zebra/debug.h"
  34
  35 void zebra_ipmr_route_stats(ZAPI_HANDLER_ARGS)
  36 {
  37         struct mcast_route_data mroute;
  38         struct stream *s;
  39         int suc = -1;
  40
  41         memset(&mroute, 0, sizeof(mroute));
  42         STREAM_GET(&mroute.sg.src, msg, 4);
  43         STREAM_GET(&mroute.sg.grp, msg, 4);
  44         STREAM_GETL(msg, mroute.ifindex);
  45
  46         if (IS_ZEBRA_DEBUG_KERNEL) {
  47                 char sbuf[40];
  48                 char gbuf[40];
  49
  50                 strlcpy(sbuf, inet_ntoa(mroute.sg.src), sizeof(sbuf));
  51                 strlcpy(gbuf, inet_ntoa(mroute.sg.grp), sizeof(gbuf));
  52
  53                 zlog_debug("Asking for (%s,%s)[%s(%u)] mroute information",
  54                            sbuf, gbuf, zvrf->vrf->name, zvrf->vrf->vrf_id);
  55         }
  56
  57         suc = kernel_get_ipmr_sg_stats(zvrf, &mroute);
  58
  59 stream_failure:
  60         s = stream_new(ZEBRA_MAX_PACKET_SIZ);
  61
  62         stream_reset(s);
  63
  64         zclient_create_header(s, ZEBRA_IPMR_ROUTE_STATS, zvrf_id(zvrf));
  65         stream_put_in_addr(s, &mroute.sg.src);
  66         stream_put_in_addr(s, &mroute.sg.grp);
  67         stream_put(s, &mroute.lastused, sizeof(mroute.lastused));
  68         stream_putl(s, suc);
  69
  70         stream_putw_at(s, 0, stream_get_endp(s));
  71         zserv_send_message(client, s);
  72 }