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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* VRRP entry point.
* Copyright (C) 2018-2019 Cumulus Networks, Inc.
* Quentin Young
*/
#include <zebra.h>
#include <getopt.h>
#include <lib/version.h>
#include "lib/command.h"
#include "lib/filter.h"
#include "lib/if.h"
#include "lib/libfrr.h"
#include "lib/log.h"
#include "lib/memory.h"
#include "lib/nexthop.h"
#include "lib/privs.h"
#include "lib/sigevent.h"
#include "lib/frrevent.h"
#include "lib/vrf.h"
#include "lib/vty.h"
#include "vrrp.h"
#include "vrrp_debug.h"
#include "vrrp_vty.h"
#include "vrrp_zebra.h"
DEFINE_MGROUP(VRRPD, "vrrpd");
char backup_config_file[256];
zebra_capabilities_t _caps_p[] = {
ZCAP_NET_RAW,
};
struct zebra_privs_t vrrp_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};
struct option longopts[] = { {0} };
/* Master of threads. */
struct event_loop *master;
static struct frr_daemon_info vrrpd_di;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received");
vty_read_config(NULL, vrrpd_di.config_file, config_default);
}
/* SIGINT / SIGTERM handler. */
static void __attribute__((noreturn)) sigint(void)
{
zlog_notice("Terminating on signal");
vrrp_fini();
frr_fini();
exit(0);
}
/* SIGUSR1 handler. */
static void sigusr1(void)
{
zlog_rotate();
}
struct frr_signal_t vrrp_signals[] = {
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
static const struct frr_yang_module_info *const vrrp_yang_modules[] = {
&frr_filter_info,
&frr_vrf_info,
&frr_interface_info,
&frr_vrrpd_info,
};
/* clang-format off */
FRR_DAEMON_INFO(vrrpd, VRRP,
.vty_port = VRRP_VTY_PORT,
.proghelp = "Virtual Router Redundancy Protocol",
.signals = vrrp_signals,
.n_signals = array_size(vrrp_signals),
.privs = &vrrp_privs,
.yang_modules = vrrp_yang_modules,
.n_yang_modules = array_size(vrrp_yang_modules),
);
/* clang-format on */
int main(int argc, char **argv, char **envp)
{
frr_preinit(&vrrpd_di, argc, argv);
frr_opt_add("", longopts, "");
while (1) {
int opt;
opt = frr_getopt(argc, argv, NULL);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
default:
frr_help_exit(1);
}
}
master = frr_init();
access_list_init();
vrrp_debug_init();
vrrp_zebra_init();
vrrp_vty_init();
vrrp_init();
snprintf(backup_config_file, sizeof(backup_config_file),
"%s/vrrpd.conf", frr_sysconfdir);
vrrpd_di.backup_config_file = backup_config_file;
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
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