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 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#include "pim_ssmpingd.h" 39 40const char *const PIM_ALL_SYSTEMS = MCAST_ALL_SYSTEMS; 41const char *const PIM_ALL_ROUTERS = MCAST_ALL_ROUTERS; 42const char *const PIM_ALL_PIM_ROUTERS = MCAST_ALL_PIM_ROUTERS; 43const char *const PIM_ALL_IGMP_ROUTERS = MCAST_ALL_IGMP_ROUTERS; 44 45struct thread_master *master = 0; 46uint32_t qpim_debugs = 0; 47int qpim_mroute_socket_fd = -1; 48int64_t qpim_mroute_socket_creation = 0; /* timestamp of creation */ 49struct thread *qpim_mroute_socket_reader = 0; 50int qpim_mroute_oif_highest_vif_index = -1; 51struct list *qpim_channel_oil_list = 0; 52int qpim_t_periodic = PIM_DEFAULT_T_PERIODIC; /* Period between Join/Prune Messages */ 53struct list *qpim_upstream_list = 0; 54struct zclient *qpim_zclient_update = 0; 55struct zclient *qpim_zclient_lookup = 0; 56struct pim_assert_metric qpim_infinite_assert_metric; 57long qpim_rpf_cache_refresh_delay_msec = 10000; 58struct thread *qpim_rpf_cache_refresher = 0; 59int64_t qpim_rpf_cache_refresh_requests = 0; 60int64_t qpim_rpf_cache_refresh_events = 0; 61int64_t qpim_rpf_cache_refresh_last = 0; 62struct in_addr qpim_inaddr_any; 63struct list *qpim_ssmpingd_list = 0; 64struct in_addr qpim_ssmpingd_group_addr; 65int64_t qpim_scan_oil_events = 0; 66int64_t qpim_scan_oil_last = 0; 67int64_t qpim_mroute_add_events = 0; 68int64_t qpim_mroute_add_last = 0; 69int64_t qpim_mroute_del_events = 0; 70int64_t qpim_mroute_del_last = 0; 71 72static void pim_free() 73{ 74 pim_ssmpingd_destroy(); 75 76 if (qpim_channel_oil_list) 77 list_free(qpim_channel_oil_list); 78 79 if (qpim_upstream_list) 80 list_free(qpim_upstream_list); 81} 82 83void pim_init() 84{ 85 pim_rand_init(); 86 87 if (!inet_aton(PIM_ALL_PIM_ROUTERS, &qpim_all_pim_routers_addr)) { 88 zlog_err("%s %s: could not solve %s to group address: errno=%d: %s", 89 __FILE__, __PRETTY_FUNCTION__, 90 PIM_ALL_PIM_ROUTERS, errno, safe_strerror(errno)); 91 zassert(0); 92 return; 93 } 94 95 qpim_channel_oil_list = list_new(); 96 if (!qpim_channel_oil_list) { 97 zlog_err("%s %s: failure: channel_oil_list=list_new()", 98 __FILE__, __PRETTY_FUNCTION__); 99 return; 100 } 101 qpim_channel_oil_list->del = (void (*)(void *)) pim_channel_oil_free; 102 103 qpim_upstream_list = list_new(); 104 if (!qpim_upstream_list) { 105 zlog_err("%s %s: failure: upstream_list=list_new()", 106 __FILE__, __PRETTY_FUNCTION__); 107 pim_free(); 108 return; 109 } 110 qpim_upstream_list->del = (void (*)(void *)) pim_upstream_free; 111 112 qpim_mroute_socket_fd = -1; /* mark mroute as disabled */ 113 qpim_mroute_oif_highest_vif_index = -1; 114 115 zassert(!qpim_debugs); 116 zassert(!PIM_MROUTE_IS_ENABLED); 117 118 qpim_inaddr_any.s_addr = PIM_NET_INADDR_ANY; 119 120 /* 121 RFC 4601: 4.6.3. Assert Metrics 122 123 assert_metric 124 infinite_assert_metric() { 125 return {1,infinity,infinity,0} 126 } 127 */ 128 qpim_infinite_assert_metric.rpt_bit_flag = 1; 129 qpim_infinite_assert_metric.metric_preference = PIM_ASSERT_METRIC_PREFERENCE_MAX; 130 qpim_infinite_assert_metric.route_metric = PIM_ASSERT_ROUTE_METRIC_MAX; 131 qpim_infinite_assert_metric.ip_address = qpim_inaddr_any; 132 133 pim_if_init(); 134 pim_cmd_init(); 135 pim_ssmpingd_init(); 136} 137 138void pim_terminate() 139{ 140 pim_free(); 141} 142