blob: e8afe779d80559a64d37ca38ceff9d947f7d314b [file] [log] [blame]
Everton Marques871dbcf2009-08-11 15:43:05 -03001/*
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
20 $QuaggaId: $Format:%an, %ai, %h$ $
21*/
22
23#include <zebra.h>
24
25#include "log.h"
26#include "memory.h"
27
28#include "pimd.h"
29#include "pim_cmd.h"
30#include "pim_iface.h"
31#include "pim_zebra.h"
32#include "pim_str.h"
33#include "pim_oil.h"
34#include "pim_pim.h"
35#include "pim_upstream.h"
36#include "pim_rand.h"
37#include "pim_rpf.h"
38
39const char *const PIM_ALL_SYSTEMS = MCAST_ALL_SYSTEMS;
40const char *const PIM_ALL_ROUTERS = MCAST_ALL_ROUTERS;
41const char *const PIM_ALL_PIM_ROUTERS = MCAST_ALL_PIM_ROUTERS;
42const char *const PIM_ALL_IGMP_ROUTERS = MCAST_ALL_IGMP_ROUTERS;
43
44struct thread_master *master = 0;
45uint32_t qpim_debugs = 0;
46int qpim_mroute_socket_fd = -1;
47int64_t qpim_mroute_socket_creation = 0; /* timestamp of creation */
48struct thread *qpim_mroute_socket_reader = 0;
49int qpim_mroute_oif_highest_vif_index = -1;
50struct list *qpim_channel_oil_list = 0;
51int qpim_t_periodic = PIM_DEFAULT_T_PERIODIC; /* Period between Join/Prune Messages */
52struct list *qpim_upstream_list = 0;
53struct zclient *qpim_zclient_lookup = 0;
54struct pim_assert_metric qpim_infinite_assert_metric;
55long qpim_rpf_cache_refresh_delay_msec = 10000;
56struct thread *qpim_rpf_cache_refresher = 0;
Everton Marques613938d2009-08-13 15:39:31 -030057int64_t qpim_rpf_cache_refresh_requests = 0;
58int64_t qpim_rpf_cache_refresh_events = 0;
Everton Marques871dbcf2009-08-11 15:43:05 -030059struct in_addr qpim_inaddr_any;
60
61static void pim_free()
62{
63 if (qpim_channel_oil_list)
64 list_free(qpim_channel_oil_list);
65
66 if (qpim_upstream_list)
67 list_free(qpim_upstream_list);
68}
69
70void pim_init()
71{
72 pim_rand_init();
73
74 if (!inet_aton(PIM_ALL_PIM_ROUTERS, &qpim_all_pim_routers_addr)) {
75 zlog_err("%s %s: could not solve %s to group address: errno=%d: %s",
76 __FILE__, __PRETTY_FUNCTION__,
Everton Marquese96f0af2009-08-11 15:48:02 -030077 PIM_ALL_PIM_ROUTERS, errno, safe_strerror(errno));
Everton Marques871dbcf2009-08-11 15:43:05 -030078 zassert(0);
79 return;
80 }
81
82 qpim_channel_oil_list = list_new();
83 if (!qpim_channel_oil_list) {
84 zlog_err("%s %s: failure: channel_oil_list=list_new()",
85 __FILE__, __PRETTY_FUNCTION__);
86 return;
87 }
88 qpim_channel_oil_list->del = (void (*)(void *)) pim_channel_oil_free;
89
90 qpim_upstream_list = list_new();
91 if (!qpim_upstream_list) {
92 zlog_err("%s %s: failure: upstream_list=list_new()",
93 __FILE__, __PRETTY_FUNCTION__);
94 pim_free();
95 return;
96 }
97 qpim_upstream_list->del = (void (*)(void *)) pim_upstream_free;
98
99 qpim_mroute_socket_fd = -1; /* mark mroute as disabled */
100 qpim_mroute_oif_highest_vif_index = -1;
101
102 zassert(!qpim_debugs);
103 zassert(!PIM_MROUTE_IS_ENABLED);
104
105 qpim_inaddr_any.s_addr = PIM_NET_INADDR_ANY;
106
107 /*
108 RFC 4601: 4.6.3. Assert Metrics
109
110 assert_metric
111 infinite_assert_metric() {
112 return {1,infinity,infinity,0}
113 }
114 */
115 qpim_infinite_assert_metric.rpt_bit_flag = 1;
116 qpim_infinite_assert_metric.metric_preference = PIM_ASSERT_METRIC_PREFERENCE_MAX;
117 qpim_infinite_assert_metric.route_metric = PIM_ASSERT_ROUTE_METRIC_MAX;
118 qpim_infinite_assert_metric.ip_address = qpim_inaddr_any;
119
120 pim_if_init();
121 pim_cmd_init();
122}
123
124void pim_terminate()
125{
126 pim_free();
127}