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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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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"
#include "ripd/rip_errors.h"
/* ripd options. */
#if CONFDATE > 20190521
CPP_NOTICE("-r / --retain has reached deprecation EOL, remove")
#endif
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};
/* 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(NULL, ripd_di.config_file, config_default);
/* Try to return to normal operation. */
}
/* SIGINT handler. */
static void sigint(void)
{
zlog_notice("Terminating on signal");
rip_clean();
rip_zclient_stop();
frr_fini();
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,
},
};
static const struct frr_yang_module_info *ripd_yang_modules[] = {
&frr_interface_info,
};
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, .yang_modules = ripd_yang_modules,
.n_yang_modules = array_size(ripd_yang_modules), )
#if CONFDATE > 20190521
CPP_NOTICE("-r / --retain has reached deprecation EOL, remove")
#endif
#define DEPRECATED_OPTIONS "r"
/* Main routine of ripd. */
int main(int argc, char **argv)
{
frr_preinit(&ripd_di, argc, argv);
frr_opt_add("" DEPRECATED_OPTIONS, longopts, "");
/* Command line option parse. */
while (1) {
int opt;
opt = frr_getopt(argc, argv, NULL);
if (opt && opt < 128 && strchr(DEPRECATED_OPTIONS, opt)) {
fprintf(stderr,
"The -%c option no longer exists.\nPlease refer to the manual.\n",
opt);
continue;
}
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
default:
frr_help_exit(1);
break;
}
}
/* Prepare master thread. */
master = frr_init();
/* Library initialization. */
rip_error_init();
keychain_init();
vrf_init(NULL, NULL, NULL, NULL, NULL);
/* 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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