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 
zebra_ipmr_route_stats(ZAPI_HANDLER_ARGS)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 }
73