Line data    Source code

       1             : /*
       2             :  * STATICd - main code
       3             :  * Copyright (C) 2018 Cumulus Networks, Inc.
       4             :  *               Donald Sharp
       5             :  *
       6             :  * This program is free software; you can redistribute it and/or modify it
       7             :  * under the terms of the GNU General Public License as published by the Free
       8             :  * Software Foundation; either version 2 of the License, or (at your option)
       9             :  * any later version.
      10             :  *
      11             :  * This program is distributed in the hope that it will be useful, but WITHOUT
      12             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13             :  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
      14             :  * more details.
      15             :  *
      16             :  * You should have received a copy of the GNU General Public License along
      17             :  * with this program; see the file COPYING; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : #include <zebra.h>
      21             : 
      22             : #include <lib/version.h>
      23             : #include "getopt.h"
      24             : #include "thread.h"
      25             : #include "command.h"
      26             : #include "log.h"
      27             : #include "memory.h"
      28             : #include "privs.h"
      29             : #include "sigevent.h"
      30             : #include "libfrr.h"
      31             : #include "vrf.h"
      32             : #include "nexthop.h"
      33             : #include "filter.h"
      34             : #include "routing_nb.h"
      35             : 
      36             : #include "static_vrf.h"
      37             : #include "static_vty.h"
      38             : #include "static_routes.h"
      39             : #include "static_zebra.h"
      40             : #include "static_debug.h"
      41             : #include "static_nb.h"
      42             : 
      43             : char backup_config_file[256];
      44             : 
      45             : bool mpls_enabled;
      46             : 
      47             : zebra_capabilities_t _caps_p[] = {
      48             : };
      49             : 
      50             : struct zebra_privs_t static_privs = {
      51             : #if defined(FRR_USER) && defined(FRR_GROUP)
      52             :         .user = FRR_USER,
      53             :         .group = FRR_GROUP,
      54             : #endif
      55             : #if defined(VTY_GROUP)
      56             :         .vty_group = VTY_GROUP,
      57             : #endif
      58             :         .caps_p = _caps_p,
      59             :         .cap_num_p = array_size(_caps_p),
      60             :         .cap_num_i = 0};
      61             : 
      62             : struct option longopts[] = { { 0 } };
      63             : 
      64             : /* Master of threads. */
      65             : struct thread_master *master;
      66             : 
      67             : static struct frr_daemon_info staticd_di;
      68             : /* SIGHUP handler. */
      69           0 : static void sighup(void)
      70             : {
      71           0 :         zlog_info("SIGHUP received");
      72           0 :         vty_read_config(NULL, staticd_di.config_file, config_default);
      73           0 : }
      74             : 
      75             : /* SIGINT / SIGTERM handler. */
      76           3 : static void sigint(void)
      77             : {
      78           3 :         zlog_notice("Terminating on signal");
      79             : 
      80           3 :         static_vrf_terminate();
      81             : 
      82           3 :         static_zebra_stop();
      83           3 :         frr_fini();
      84             : 
      85           3 :         exit(0);
      86             : }
      87             : 
      88             : /* SIGUSR1 handler. */
      89           0 : static void sigusr1(void)
      90             : {
      91           0 :         zlog_rotate();
      92           0 : }
      93             : 
      94             : struct frr_signal_t static_signals[] = {
      95             :         {
      96             :                 .signal = SIGHUP,
      97             :                 .handler = &sighup,
      98             :         },
      99             :         {
     100             :                 .signal = SIGUSR1,
     101             :                 .handler = &sigusr1,
     102             :         },
     103             :         {
     104             :                 .signal = SIGINT,
     105             :                 .handler = &sigint,
     106             :         },
     107             :         {
     108             :                 .signal = SIGTERM,
     109             :                 .handler = &sigint,
     110             :         },
     111             : };
     112             : 
     113             : static const struct frr_yang_module_info *const staticd_yang_modules[] = {
     114             :         &frr_filter_info,
     115             :         &frr_interface_info,
     116             :         &frr_vrf_info,
     117             :         &frr_routing_info,
     118             :         &frr_staticd_info,
     119             : };
     120             : 
     121             : #define STATIC_VTY_PORT 2616
     122             : 
     123           3 : FRR_DAEMON_INFO(staticd, STATIC, .vty_port = STATIC_VTY_PORT,
     124             : 
     125             :                 .proghelp = "Implementation of STATIC.",
     126             : 
     127             :                 .signals = static_signals,
     128             :                 .n_signals = array_size(static_signals),
     129             : 
     130             :                 .privs = &static_privs, .yang_modules = staticd_yang_modules,
     131             :                 .n_yang_modules = array_size(staticd_yang_modules),
     132             : );
     133             : 
     134           3 : int main(int argc, char **argv, char **envp)
     135             : {
     136           3 :         frr_preinit(&staticd_di, argc, argv);
     137           3 :         frr_opt_add("", longopts, "");
     138             : 
     139           3 :         while (1) {
     140           3 :                 int opt;
     141             : 
     142           3 :                 opt = frr_getopt(argc, argv, NULL);
     143             : 
     144           3 :                 if (opt == EOF)
     145             :                         break;
     146             : 
     147           0 :                 switch (opt) {
     148             :                 case 0:
     149             :                         break;
     150           0 :                 default:
     151           0 :                         frr_help_exit(1);
     152             :                 }
     153             :         }
     154             : 
     155           3 :         master = frr_init();
     156             : 
     157           3 :         static_debug_init();
     158           3 :         static_vrf_init();
     159             : 
     160           3 :         static_zebra_init();
     161           3 :         static_vty_init();
     162             : 
     163           3 :         hook_register(routing_conf_event,
     164             :                       routing_control_plane_protocols_name_validate);
     165             : 
     166           3 :         routing_control_plane_protocols_register_vrf_dependency();
     167             : 
     168           3 :         snprintf(backup_config_file, sizeof(backup_config_file),
     169             :                  "%s/zebra.conf", frr_sysconfdir);
     170           3 :         staticd_di.backup_config_file = backup_config_file;
     171             : 
     172           3 :         frr_config_fork();
     173           3 :         frr_run(master);
     174             : 
     175             :         /* Not reached. */
     176           0 :         return 0;
     177             : }