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/* RIPd main routine.
* Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org>
*
* 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 "command.h"
#include "memory.h"
#include "memory_vty.h"
#include "prefix.h"
#include "filter.h"
#include "keychain.h"
#include "log.h"
#include "privs.h"
#include "sigevent.h"
#include "zclient.h"
#include "vrf.h"
#include "libfrr.h"
#include "ripd/ripd.h"
/* ripd options. */
static struct option longopts[] =
{
{ "retain", no_argument, NULL, 'r'},
{ 0 }
};
/* ripd privileges */
zebra_capabilities_t _caps_p [] =
{
ZCAP_NET_RAW,
ZCAP_BIND
};
struct zebra_privs_t ripd_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
};
/* Route retain mode flag. */
int retain_mode = 0;
/* Master of threads. */
struct thread_master *master;
static struct frr_daemon_info ripd_di;
/* SIGHUP handler. */
static void
sighup (void)
{
zlog_info ("SIGHUP received");
rip_clean ();
rip_reset ();
zlog_info ("ripd restarting!");
/* Reload config file. */
vty_read_config (ripd_di.config_file, config_default);
/* Try to return to normal operation. */
}
/* SIGINT handler. */
static void
sigint (void)
{
zlog_notice ("Terminating on signal");
if (! retain_mode)
rip_clean ();
exit (0);
}
/* SIGUSR1 handler. */
static void
sigusr1 (void)
{
zlog_rotate();
}
static struct quagga_signal_t ripd_signals[] =
{
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
FRR_DAEMON_INFO(ripd, RIP,
.vty_port = RIP_VTY_PORT,
.proghelp = "Implementation of the RIP routing protocol.",
.signals = ripd_signals,
.n_signals = array_size(ripd_signals),
.privs = &ripd_privs,
)
/* Main routine of ripd. */
int
main (int argc, char **argv)
{
frr_preinit (&ripd_di, argc, argv);
frr_opt_add ("r", longopts,
" -r, --retain When program terminates, retain added route by ripd.\n");
/* Command line option parse. */
while (1)
{
int opt;
opt = frr_getopt (argc, argv, NULL);
if (opt == EOF)
break;
switch (opt)
{
case 0:
break;
case 'r':
retain_mode = 1;
break;
default:
frr_help_exit (1);
break;
}
}
/* Prepare master thread. */
master = frr_init ();
/* Library initialization. */
keychain_init ();
vrf_init ();
/* RIP related initialization. */
rip_init ();
rip_if_init ();
rip_zclient_init(master);
rip_peer_init ();
frr_config_fork ();
frr_run (master);
/* Not reached. */
return (0);
}
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