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 "memory_vty.h"
  33 #include "filter.h"
  34 #include "vty.h"
  35 #include "sigevent.h"
  36 #include "version.h"
  37 #include "prefix.h"
  38 #include "plist.h"
  39 #include "vrf.h"
  40 #include "libfrr.h"
  41
  42 #include "pimd.h"
  43 #include "pim_version.h"
  44 #include "pim_signals.h"
  45 #include "pim_zebra.h"
  46 #include "pim_msdp.h"
  47 #include "pim_iface.h"
  48 #include "pim_bfd.h"
  49
  50 extern struct host host;
  51
  52 struct option longopts[] = {
  53   { 0 }
  54 };
  55
  56 /* pimd privileges */
  57 zebra_capabilities_t _caps_p [] =
  58 {
  59   ZCAP_NET_ADMIN,
  60   ZCAP_SYS_ADMIN,
  61   ZCAP_NET_RAW,
  62   ZCAP_BIND,
  63 };
  64
  65 /* pimd privileges to run with */
  66 struct zebra_privs_t pimd_privs =
  67 {
  68 #if defined(FRR_USER) && defined(FRR_GROUP)
  69   .user = FRR_USER,
  70   .group = FRR_GROUP,
  71 #endif
  72 #ifdef VTY_GROUP
  73   .vty_group = VTY_GROUP,
  74 #endif
  75   .caps_p = _caps_p,
  76   .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]),
  77   .cap_num_i = 0
  78 };
  79
  80 FRR_DAEMON_INFO(pimd, PIM,
  81         .vty_port = PIMD_VTY_PORT,
  82
  83         .proghelp = "Implementation of the PIM routing protocol.",
  84
  85         .signals = pimd_signals,
  86         .n_signals = 4 /* XXX array_size(pimd_signals) XXX*/,
  87
  88         .privs = &pimd_privs,
  89 )
  90
  91
  92 int main(int argc, char** argv, char** envp) {
  93   frr_preinit(&pimd_di, argc, argv);
  94   frr_opt_add("", longopts, "");
  95
  96   /* this while just reads the options */
  97   while (1) {
  98     int opt;
  99
 100     opt = frr_getopt(argc, argv, NULL);
 101
 102     if (opt == EOF)
 103       break;
 104
 105     switch (opt) {
 106     case 0:
 107       break;
 108     default:
 109       frr_help_exit (1);
 110       break;
 111     }
 112   }
 113
 114   master = frr_init();
 115
 116   /*
 117    * Initializations
 118    */
 119   pim_vrf_init ();
 120   access_list_init();
 121   prefix_list_init ();
 122   prefix_list_add_hook (pim_prefix_list_update);
 123   prefix_list_delete_hook (pim_prefix_list_update);
 124
 125   pim_route_map_init ();
 126   pim_init();
 127   pim_msdp_init (master);
 128
 129   /*
 130    * Initialize zclient "update" and "lookup" sockets
 131    */
 132   pim_zebra_init();
 133   pim_bfd_init ();
 134
 135   frr_config_fork();
 136
 137 #ifdef PIM_DEBUG_BYDEFAULT
 138   zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
 139   PIM_DO_DEBUG_PIM_EVENTS;
 140   PIM_DO_DEBUG_PIM_PACKETS;
 141   PIM_DO_DEBUG_PIM_TRACE;
 142   PIM_DO_DEBUG_IGMP_EVENTS;
 143   PIM_DO_DEBUG_IGMP_PACKETS;
 144   PIM_DO_DEBUG_IGMP_TRACE;
 145   PIM_DO_DEBUG_ZEBRA;
 146 #endif
 147
 148 #ifdef PIM_CHECK_RECV_IFINDEX_SANITY
 149   zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
 150 #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
 151   zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
 152 #endif
 153 #endif
 154
 155 #ifdef PIM_UNEXPECTED_KERNEL_UPCALL
 156   zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
 157 #endif
 158
 159   frr_run(master);
 160
 161   /* never reached */
 162   return 0;
 163 }