staticd/static_main.c

   1 /*
   2  * STATICd - main code
   3  * Copyright (C) 2018 Cumulus Networks, Inc.
   4  *               Donald Sharp
   5  *
   6  * FRR 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
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * FRR is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for 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
  34 #include "static_vrf.h"
  35 #include "static_vty.h"
  36 #include "static_routes.h"
  37 #include "static_zebra.h"
  38
  39 bool mpls_enabled;
  40
  41 zebra_capabilities_t _caps_p[] = {
  42 };
  43
  44 struct zebra_privs_t static_privs = {
  45 #if defined(FRR_USER) && defined(FRR_GROUP)
  46         .user = FRR_USER,
  47         .group = FRR_GROUP,
  48 #endif
  49 #if defined(VTY_GROUP)
  50         .vty_group = VTY_GROUP,
  51 #endif
  52         .caps_p = _caps_p,
  53         .cap_num_p = array_size(_caps_p),
  54         .cap_num_i = 0};
  55
  56 struct option longopts[] = { { 0 } };
  57
  58 /* Master of threads. */
  59 struct thread_master *master;
  60
  61 /* SIGHUP handler. */
  62 static void sighup(void)
  63 {
  64         zlog_info("SIGHUP received");
  65 }
  66
  67 /* SIGINT / SIGTERM handler. */
  68 static void sigint(void)
  69 {
  70         zlog_notice("Terminating on signal");
  71
  72         exit(0);
  73 }
  74
  75 /* SIGUSR1 handler. */
  76 static void sigusr1(void)
  77 {
  78         zlog_rotate();
  79 }
  80
  81 struct quagga_signal_t static_signals[] = {
  82         {
  83                 .signal = SIGHUP,
  84                 .handler = &sighup,
  85         },
  86         {
  87                 .signal = SIGUSR1,
  88                 .handler = &sigusr1,
  89         },
  90         {
  91                 .signal = SIGINT,
  92                 .handler = &sigint,
  93         },
  94         {
  95                 .signal = SIGTERM,
  96                 .handler = &sigint,
  97         },
  98 };
  99
 100 #define STATIC_VTY_PORT 2616
 101
 102 FRR_DAEMON_INFO(staticd, STATIC, .vty_port = STATIC_VTY_PORT,
 103
 104                 .proghelp = "Implementation of STATIC.",
 105
 106                 .signals = static_signals,
 107                 .n_signals = array_size(static_signals),
 108
 109                 .privs = &static_privs, )
 110
 111 int main(int argc, char **argv, char **envp)
 112 {
 113         frr_preinit(&staticd_di, argc, argv);
 114         frr_opt_add("", longopts, "");
 115
 116         while (1) {
 117                 int opt;
 118
 119                 opt = frr_getopt(argc, argv, NULL);
 120
 121                 if (opt == EOF)
 122                         break;
 123
 124                 switch (opt) {
 125                 case 0:
 126                         break;
 127                 default:
 128                         frr_help_exit(1);
 129                         break;
 130                 }
 131         }
 132
 133         master = frr_init();
 134
 135         static_vrf_init();
 136
 137         static_zebra_init();
 138         static_vty_init();
 139
 140         frr_config_fork();
 141         frr_run(master);
 142
 143         /* Not reached. */
 144         return 0;
 145 }