Return to pimd.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / pimd

Annotation of embedaddon/quagga/pimd/pimd.c, revision 1.1.1.1

1.1       misho       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: #include "vrf.h"
                     28: 
                     29: #include "pimd.h"
                     30: #include "pim_cmd.h"
                     31: #include "pim_iface.h"
                     32: #include "pim_zebra.h"
                     33: #include "pim_str.h"
                     34: #include "pim_oil.h"
                     35: #include "pim_pim.h"
                     36: #include "pim_upstream.h"
                     37: #include "pim_rpf.h"
                     38: #include "pim_ssmpingd.h"
                     39: #include "pim_static.h"
                     40: 
                     41: const char *const PIM_ALL_SYSTEMS      = MCAST_ALL_SYSTEMS;
                     42: const char *const PIM_ALL_ROUTERS      = MCAST_ALL_ROUTERS;
                     43: const char *const PIM_ALL_PIM_ROUTERS  = MCAST_ALL_PIM_ROUTERS;
                     44: const char *const PIM_ALL_IGMP_ROUTERS = MCAST_ALL_IGMP_ROUTERS;
                     45: 
                     46: struct thread_master     *master = 0;
                     47: uint32_t                  qpim_debugs = 0;
                     48: int                       qpim_mroute_socket_fd = -1;
                     49: int64_t                   qpim_mroute_socket_creation = 0; /* timestamp of creation */
                     50: struct thread            *qpim_mroute_socket_reader = 0;
                     51: int                       qpim_mroute_oif_highest_vif_index = -1;
                     52: struct list              *qpim_channel_oil_list = 0;
                     53: int                       qpim_t_periodic = PIM_DEFAULT_T_PERIODIC; /* Period between Join/Prune Messages */
                     54: struct list              *qpim_upstream_list = 0;
                     55: struct zclient           *qpim_zclient_update = 0;
                     56: struct zclient           *qpim_zclient_lookup = 0;
                     57: struct pim_assert_metric  qpim_infinite_assert_metric;
                     58: long                      qpim_rpf_cache_refresh_delay_msec = 10000;
                     59: struct thread            *qpim_rpf_cache_refresher = 0;
                     60: int64_t                   qpim_rpf_cache_refresh_requests = 0;
                     61: int64_t                   qpim_rpf_cache_refresh_events = 0;
                     62: int64_t                   qpim_rpf_cache_refresh_last =  0;
                     63: struct in_addr            qpim_inaddr_any;
                     64: struct list              *qpim_ssmpingd_list = 0;
                     65: struct in_addr            qpim_ssmpingd_group_addr;
                     66: int64_t                   qpim_scan_oil_events = 0;
                     67: int64_t                   qpim_scan_oil_last = 0;
                     68: int64_t                   qpim_mroute_add_events = 0;
                     69: int64_t                   qpim_mroute_add_last = 0;
                     70: int64_t                   qpim_mroute_del_events = 0;
                     71: int64_t                   qpim_mroute_del_last = 0;
                     72: struct list              *qpim_static_route_list = 0;
                     73: 
                     74: static void pim_free()
                     75: {
                     76:   pim_ssmpingd_destroy();
                     77: 
                     78:   if (qpim_channel_oil_list)
                     79:     list_free(qpim_channel_oil_list);
                     80: 
                     81:   if (qpim_upstream_list)
                     82:     list_free(qpim_upstream_list);
                     83: 
                     84:   if (qpim_static_route_list)
                     85:      list_free(qpim_static_route_list);
                     86: }
                     87: 
                     88: void pim_init()
                     89: {
                     90:   srandom(time(NULL));
                     91: 
                     92:   if (!inet_aton(PIM_ALL_PIM_ROUTERS, &qpim_all_pim_routers_addr)) {
                     93:     zlog_err("%s %s: could not solve %s to group address: errno=%d: %s",
                     94:             __FILE__, __PRETTY_FUNCTION__,
                     95:             PIM_ALL_PIM_ROUTERS, errno, safe_strerror(errno));
                     96:     zassert(0);
                     97:     return;
                     98:   }
                     99: 
                    100:   qpim_channel_oil_list = list_new();
                    101:   if (!qpim_channel_oil_list) {
                    102:     zlog_err("%s %s: failure: channel_oil_list=list_new()",
                    103:             __FILE__, __PRETTY_FUNCTION__);
                    104:     return;
                    105:   }
                    106:   qpim_channel_oil_list->del = (void (*)(void *)) pim_channel_oil_free;
                    107: 
                    108:   qpim_upstream_list = list_new();
                    109:   if (!qpim_upstream_list) {
                    110:     zlog_err("%s %s: failure: upstream_list=list_new()",
                    111:             __FILE__, __PRETTY_FUNCTION__);
                    112:     pim_free();
                    113:     return;
                    114:   }
                    115:   qpim_upstream_list->del = (void (*)(void *)) pim_upstream_free;
                    116: 
                    117:   qpim_static_route_list = list_new();
                    118:   if (!qpim_static_route_list) {
                    119:     zlog_err("%s %s: failure: static_route_list=list_new()",
                    120:         __FILE__, __PRETTY_FUNCTION__);
                    121:     return;
                    122:   }
                    123:   qpim_static_route_list->del = (void (*)(void *)) pim_static_route_free;
                    124: 
                    125:   qpim_mroute_socket_fd = -1; /* mark mroute as disabled */
                    126:   qpim_mroute_oif_highest_vif_index = -1;
                    127: 
                    128:   zassert(!qpim_debugs);
                    129:   zassert(!PIM_MROUTE_IS_ENABLED);
                    130: 
                    131:   qpim_inaddr_any.s_addr = PIM_NET_INADDR_ANY;
                    132: 
                    133:   /*
                    134:     RFC 4601: 4.6.3.  Assert Metrics
                    135: 
                    136:     assert_metric
                    137:     infinite_assert_metric() {
                    138:     return {1,infinity,infinity,0}
                    139:     }
                    140:   */
                    141:   qpim_infinite_assert_metric.rpt_bit_flag      = 1;
                    142:   qpim_infinite_assert_metric.metric_preference = PIM_ASSERT_METRIC_PREFERENCE_MAX;
                    143:   qpim_infinite_assert_metric.route_metric      = PIM_ASSERT_ROUTE_METRIC_MAX;
                    144:   qpim_infinite_assert_metric.ip_address        = qpim_inaddr_any;
                    145: 
                    146:   pim_cmd_init();
                    147:   pim_ssmpingd_init();
                    148: }
                    149: 
                    150: void pim_terminate()
                    151: {
                    152:   vrf_terminate();
                    153:   pim_free();
                    154: }