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 int zebra_ipmr_route_stats(struct zserv *client, int fd, u_short length,
  36                            struct zebra_vrf *zvrf)
  37 {
  38         struct mcast_route_data mroute;
  39         struct stream *s;
  40         int suc;
  41
  42         memset(&mroute, 0, sizeof(mroute));
  43         stream_get(&mroute.sg.src, client->ibuf, 4);
  44         stream_get(&mroute.sg.grp, client->ibuf, 4);
  45         mroute.ifindex = stream_getl(client->ibuf);
  46
  47         if (IS_ZEBRA_DEBUG_KERNEL) {
  48                 char sbuf[40];
  49                 char gbuf[40];
  50
  51                 strcpy(sbuf, inet_ntoa(mroute.sg.src));
  52                 strcpy(gbuf, inet_ntoa(mroute.sg.grp));
  53
  54                 zlog_debug("Asking for (%s,%s) mroute information", sbuf, gbuf);
  55         }
  56
  57         suc = kernel_get_ipmr_sg_stats(zvrf, &mroute);
  58
  59         s = client->obuf;
  60
  61         stream_reset(s);
  62
  63         zserv_create_header(s, ZEBRA_IPMR_ROUTE_STATS, zvrf_id(zvrf));
  64         stream_put_in_addr(s, &mroute.sg.src);
  65         stream_put_in_addr(s, &mroute.sg.grp);
  66         stream_put(s, &mroute.lastused, sizeof(mroute.lastused));
  67         stream_putl(s, suc);
  68
  69         stream_putw_at(s, 0, stream_get_endp(s));
  70         zebra_server_send_message(client);
  71         return 0;
  72 }