pimd/pim_main.c

   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 along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include <zebra.h>
  21
  22 #include "log.h"
  23 #include "privs.h"
  24 #include "version.h"
  25 #include <getopt.h>
  26 #include "command.h"
  27 #include "thread.h"
  28 #include <signal.h>
  29
  30 #include "memory.h"
  31 #include "vrf.h"
  32 #include "filter.h"
  33 #include "vty.h"
  34 #include "sigevent.h"
  35 #include "version.h"
  36 #include "prefix.h"
  37 #include "plist.h"
  38 #include "vrf.h"
  39 #include "libfrr.h"
  40 #include "routemap.h"
  41 #include "routing_nb.h"
  42
  43 #include "pimd.h"
  44 #include "pim_instance.h"
  45 #include "pim_signals.h"
  46 #include "pim_zebra.h"
  47 #include "pim_msdp.h"
  48 #include "pim_iface.h"
  49 #include "pim_bfd.h"
  50 #include "pim_mlag.h"
  51 #include "pim_errors.h"
  52 #include "pim_nb.h"
  53
  54 extern struct host host;
  55
  56 struct option longopts[] = {{0}};
  57
  58 /* pimd privileges */
  59 zebra_capabilities_t _caps_p[] = {
  60         ZCAP_NET_ADMIN, ZCAP_SYS_ADMIN, ZCAP_NET_RAW, ZCAP_BIND,
  61 };
  62
  63 /* pimd privileges to run with */
  64 struct zebra_privs_t pimd_privs = {
  65 #if defined(FRR_USER) && defined(FRR_GROUP)
  66         .user = FRR_USER,
  67         .group = FRR_GROUP,
  68 #endif
  69 #ifdef VTY_GROUP
  70         .vty_group = VTY_GROUP,
  71 #endif
  72         .caps_p = _caps_p,
  73         .cap_num_p = array_size(_caps_p),
  74         .cap_num_i = 0};
  75
  76 static const struct frr_yang_module_info *const pimd_yang_modules[] = {
  77         &frr_filter_info,
  78         &frr_interface_info,
  79         &frr_route_map_info,
  80         &frr_vrf_info,
  81         &frr_routing_info,
  82         &frr_pim_info,
  83         &frr_pim_rp_info,
  84         &frr_igmp_info,
  85 };
  86
  87 FRR_DAEMON_INFO(pimd, PIM, .vty_port = PIMD_VTY_PORT,
  88
  89                 .proghelp = "Implementation of the PIM routing protocol.",
  90
  91                 .signals = pimd_signals,
  92                 .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  93
  94                 .privs = &pimd_privs, .yang_modules = pimd_yang_modules,
  95                 .n_yang_modules = array_size(pimd_yang_modules),
  96 );
  97
  98
  99 int main(int argc, char **argv, char **envp)
 100 {
 101         frr_preinit(&pimd_di, argc, argv);
 102         frr_opt_add("", longopts, "");
 103
 104         /* this while just reads the options */
 105         while (1) {
 106                 int opt;
 107
 108                 opt = frr_getopt(argc, argv, NULL);
 109
 110                 if (opt == EOF)
 111                         break;
 112
 113                 switch (opt) {
 114                 case 0:
 115                         break;
 116                 default:
 117                         frr_help_exit(1);
 118                         break;
 119                 }
 120         }
 121
 122         pim_router_init();
 123
 124         /*
 125          * Initializations
 126          */
 127         pim_error_init();
 128         pim_vrf_init();
 129         access_list_init();
 130         prefix_list_init();
 131         prefix_list_add_hook(pim_prefix_list_update);
 132         prefix_list_delete_hook(pim_prefix_list_update);
 133
 134         pim_route_map_init();
 135         pim_init();
 136
 137         /*
 138          * Initialize zclient "update" and "lookup" sockets
 139          */
 140         if_zapi_callbacks(pim_ifp_create, pim_ifp_up,
 141                           pim_ifp_down, pim_ifp_destroy);
 142         pim_zebra_init();
 143         pim_bfd_init();
 144         pim_mlag_init();
 145
 146         hook_register(routing_conf_event,
 147                       routing_control_plane_protocols_name_validate);
 148
 149         routing_control_plane_protocols_register_vrf_dependency();
 150
 151         frr_config_fork();
 152
 153 #ifdef PIM_DEBUG_BYDEFAULT
 154         zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 155         PIM_DO_DEBUG_PIM_EVENTS;
 156         PIM_DO_DEBUG_PIM_PACKETS;
 157         PIM_DO_DEBUG_PIM_TRACE;
 158         PIM_DO_DEBUG_IGMP_EVENTS;
 159         PIM_DO_DEBUG_IGMP_PACKETS;
 160         PIM_DO_DEBUG_IGMP_TRACE;
 161         PIM_DO_DEBUG_ZEBRA;
 162 #endif
 163
 164 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 165         zlog_notice(
 166                 "PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 167 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 168         zlog_notice(
 169                 "PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 170 #endif
 171 #endif
 172
 173 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 174         zlog_notice(
 175                 "PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 176 #endif
 177
 178         frr_run(router->master);
 179
 180         /* never reached */
 181         return 0;
 182 }