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/*
* OSPFd main routine.
* Copyright (C) 1998, 99 Kunihiro Ishiguro, Toshiaki Takada
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#include <lib/version.h>
#include "getopt.h"
#include "thread.h"
#include "prefix.h"
#include "linklist.h"
#include "if.h"
#include "vector.h"
#include "vty.h"
#include "command.h"
#include "filter.h"
#include "plist.h"
#include "stream.h"
#include "log.h"
#include "memory.h"
#include "memory_vty.h"
#include "privs.h"
#include "sigevent.h"
#include "zclient.h"
#include "vrf.h"
#include "libfrr.h"
#include "ospfd/ospfd.h"
#include "ospfd/ospf_interface.h"
#include "ospfd/ospf_asbr.h"
#include "ospfd/ospf_lsa.h"
#include "ospfd/ospf_lsdb.h"
#include "ospfd/ospf_neighbor.h"
#include "ospfd/ospf_dump.h"
#include "ospfd/ospf_zebra.h"
#include "ospfd/ospf_vty.h"
#include "ospfd/ospf_bfd.h"
/* ospfd privileges */
zebra_capabilities_t _caps_p [] =
{
ZCAP_NET_RAW,
ZCAP_BIND,
ZCAP_NET_ADMIN,
};
struct zebra_privs_t ospfd_privs =
{
#if defined(FRR_USER) && defined(FRR_GROUP)
.user = FRR_USER,
.group = FRR_GROUP,
#endif
#if defined(VTY_GROUP)
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = array_size(_caps_p),
.cap_num_i = 0
};
/* OSPFd options. */
struct option longopts[] =
{
{ "instance", required_argument, NULL, 'n'},
{ "apiserver", no_argument, NULL, 'a'},
{ 0 }
};
/* OSPFd program name */
/* Master of threads. */
struct thread_master *master;
#ifdef SUPPORT_OSPF_API
extern int ospf_apiserver_enable;
#endif /* SUPPORT_OSPF_API */
/* Help information display. */
static void __attribute__ ((noreturn))
usage (char *progname, int status)
{
if (status != 0)
fprintf (stderr, "Try `%s --help' for more information.\n", progname);
else
{
printf ("Usage : %s [OPTION...]\n\
\n\
Report bugs to %s\n", progname, FRR_BUG_ADDRESS);
}
exit (status);
}
/* SIGHUP handler. */
static void
sighup (void)
{
zlog (NULL, LOG_INFO, "SIGHUP received");
}
/* SIGINT / SIGTERM handler. */
static void
sigint (void)
{
zlog_notice ("Terminating on signal");
ospf_terminate ();
}
/* SIGUSR1 handler. */
static void
sigusr1 (void)
{
zlog_rotate (NULL);
}
struct quagga_signal_t ospf_signals[] =
{
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
FRR_DAEMON_INFO(ospfd, OSPF,
.vty_port = OSPF_VTY_PORT,
.proghelp = "Implementation of the OSPFv2 routing protocol.",
.signals = ospf_signals,
.n_signals = array_size(ospf_signals),
.privs = &ospfd_privs,
)
/* OSPFd main routine. */
int
main (int argc, char **argv)
{
u_short instance = 0;
#ifdef SUPPORT_OSPF_API
/* OSPF apiserver is disabled by default. */
ospf_apiserver_enable = 0;
#endif /* SUPPORT_OSPF_API */
frr_preinit (&ospfd_di, argc, argv);
frr_opt_add ("n:a", longopts,
" -n, --instance Set the instance id\n"
" -a. --apiserver Enable OSPF apiserver\n");
while (1)
{
int opt;
opt = frr_getopt (argc, argv, NULL);
if (opt == EOF)
break;
switch (opt)
{
case 'n':
ospfd_di.instance = instance = atoi(optarg);
if (instance < 1)
exit(0);
break;
case 0:
break;
#ifdef SUPPORT_OSPF_API
case 'a':
ospf_apiserver_enable = 1;
break;
#endif /* SUPPORT_OSPF_API */
default:
frr_help_exit (1);
break;
}
}
/* Invoked by a priviledged user? -- endo. */
if (geteuid () != 0)
{
errno = EPERM;
perror (ospfd_di.progname);
exit (1);
}
/* OSPF master init. */
ospf_master_init (frr_init ());
/* Initializations. */
master = om->master;
/* Library inits. */
debug_init ();
vrf_init ();
access_list_init ();
prefix_list_init ();
/* OSPFd inits. */
ospf_if_init ();
ospf_zebra_init(master, instance);
/* OSPF vty inits. */
ospf_vty_init ();
ospf_vty_show_init ();
ospf_vty_clear_init ();
/* OSPF BFD init */
ospf_bfd_init();
ospf_route_map_init ();
#ifdef HAVE_SNMP
ospf_snmp_init ();
#endif /* HAVE_SNMP */
ospf_opaque_init ();
/* Need to initialize the default ospf structure, so the interface mode
commands can be duly processed if they are received before 'router ospf',
when quagga(ospfd) is restarted */
if (!ospf_get_instance(instance))
{
zlog_err("OSPF instance init failed: %s", strerror(errno));
exit (1);
}
frr_config_fork();
frr_run (master);
/* Not reached. */
return (0);
}
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