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/*
* Copyright (C) 1999 Yasuhiro Ohara
*
* 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 <stdlib.h>
#include "getopt.h"
#include "thread.h"
#include "log.h"
#include "command.h"
#include "vty.h"
#include "memory.h"
#include "memory_vty.h"
#include "if.h"
#include "filter.h"
#include "prefix.h"
#include "plist.h"
#include "privs.h"
#include "sigevent.h"
#include "zclient.h"
#include "vrf.h"
#include "bfd.h"
#include "libfrr.h"
#include "ospf6d.h"
#include "ospf6_top.h"
#include "ospf6_message.h"
#include "ospf6_asbr.h"
#include "ospf6_lsa.h"
#include "ospf6_interface.h"
#include "ospf6_zebra.h"
/* Default configuration file name for ospf6d. */
#define OSPF6_DEFAULT_CONFIG "ospf6d.conf"
/* Default port values. */
#define OSPF6_VTY_PORT 2606
/* ospf6d privileges */
zebra_capabilities_t _caps_p [] =
{
ZCAP_NET_RAW,
ZCAP_BIND
};
struct zebra_privs_t ospf6d_privs =
{
#if defined(FRR_USER)
.user = FRR_USER,
#endif
#if defined FRR_GROUP
.group = FRR_GROUP,
#endif
#ifdef VTY_GROUP
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = 2,
.cap_num_i = 0
};
/* ospf6d options, we use GNU getopt library. */
struct option longopts[] =
{
{ 0 }
};
/* Master of threads. */
struct thread_master *master;
static void __attribute__ ((noreturn))
ospf6_exit (int status)
{
struct listnode *node;
struct interface *ifp;
if (ospf6)
ospf6_delete (ospf6);
bfd_gbl_exit();
for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp))
if (ifp->info != NULL)
ospf6_interface_delete(ifp->info);
ospf6_message_terminate ();
ospf6_asbr_terminate ();
ospf6_lsa_terminate ();
vrf_terminate ();
vty_terminate ();
cmd_terminate ();
if (zclient)
zclient_free (zclient);
if (master)
thread_master_free (master);
closezlog ();
exit (status);
}
/* SIGHUP handler. */
static void
sighup (void)
{
zlog_info ("SIGHUP received");
}
/* SIGINT handler. */
static void
sigint (void)
{
zlog_notice ("Terminating on signal SIGINT");
ospf6_exit (0);
}
/* SIGTERM handler. */
static void
sigterm (void)
{
zlog_notice ("Terminating on signal SIGTERM");
ospf6_clean();
ospf6_exit (0);
}
/* SIGUSR1 handler. */
static void
sigusr1 (void)
{
zlog_info ("SIGUSR1 received");
zlog_rotate();
}
struct quagga_signal_t ospf6_signals[] =
{
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigterm,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
};
FRR_DAEMON_INFO(ospf6d, OSPF6,
.vty_port = OSPF6_VTY_PORT,
.proghelp = "Implementation of the OSPFv3 routing protocol.",
.signals = ospf6_signals,
.n_signals = array_size(ospf6_signals),
.privs = &ospf6d_privs,
)
/* Main routine of ospf6d. Treatment of argument and starting ospf finite
state machine is handled here. */
int
main (int argc, char *argv[], char *envp[])
{
int opt;
frr_preinit (&ospf6d_di, argc, argv);
frr_opt_add ("", longopts, "");
/* Command line argument treatment. */
while (1)
{
opt = frr_getopt (argc, argv, NULL);
if (opt == EOF)
break;
switch (opt)
{
case 0:
break;
default:
frr_help_exit (1);
break;
}
}
if (geteuid () != 0)
{
errno = EPERM;
perror (ospf6d_di.progname);
exit (1);
}
/* thread master */
master = frr_init ();
vrf_init ();
access_list_init ();
prefix_list_init ();
/* initialize ospf6 */
ospf6_init ();
frr_config_fork ();
frr_run (master);
/* Not reached. */
ospf6_exit (0);
}
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