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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PBR - main code
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*/
#include <zebra.h>
#include <lib/version.h>
#include "getopt.h"
#include "frrevent.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 "privs.h"
#include "sigevent.h"
#include "zclient.h"
#include "keychain.h"
#include "distribute.h"
#include "libfrr.h"
#include "routemap.h"
#include "nexthop.h"
#include "nexthop_group.h"
#include "pbr_nht.h"
#include "pbr_map.h"
#include "pbr_zebra.h"
#include "pbr_vty.h"
#include "pbr_debug.h"
#include "pbr_vrf.h"
zebra_capabilities_t _caps_p[] = {
ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN,
};
struct zebra_privs_t pbr_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;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received");
}
/* SIGINT / SIGTERM handler. */
static void sigint(void)
{
zlog_notice("Terminating on signal");
pbr_vrf_terminate();
pbr_zebra_destroy();
frr_fini();
exit(0);
}
/* SIGUSR1 handler. */
static void sigusr1(void)
{
zlog_rotate();
}
struct frr_signal_t pbr_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 pbrd_yang_modules[] = {
&frr_filter_info,
&frr_interface_info,
&frr_vrf_info,
};
/* clang-format off */
FRR_DAEMON_INFO(pbrd, PBR,
.vty_port = PBR_VTY_PORT,
.proghelp = "Implementation of PBR.",
.signals = pbr_signals,
.n_signals = array_size(pbr_signals),
.privs = &pbr_privs,
.yang_modules = pbrd_yang_modules,
.n_yang_modules = array_size(pbrd_yang_modules),
);
/* clang-format on */
int main(int argc, char **argv, char **envp)
{
frr_preinit(&pbrd_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();
pbr_debug_init();
nexthop_group_init(pbr_nhgroup_add_cb, pbr_nhgroup_modify_cb,
pbr_nhgroup_add_nexthop_cb,
pbr_nhgroup_del_nexthop_cb, pbr_nhgroup_delete_cb);
/*
* So we safely ignore these commands since
* we are getting them at this point in time
*/
access_list_init();
pbr_nht_init();
pbr_map_init();
hook_register_prio(if_real, 0, pbr_ifp_create);
hook_register_prio(if_up, 0, pbr_ifp_up);
hook_register_prio(if_down, 0, pbr_ifp_down);
hook_register_prio(if_unreal, 0, pbr_ifp_destroy);
pbr_zebra_init();
pbr_vrf_init();
pbr_vty_init();
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
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