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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SHARP - main code
* Copyright (C) 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_group.h"
#include "link_state.h"
#include "sharp_zebra.h"
#include "sharp_vty.h"
#include "sharp_globals.h"
#include "sharp_nht.h"
DEFINE_MGROUP(SHARPD, "sharpd");
zebra_capabilities_t _caps_p[] = {
};
struct zebra_privs_t sharp_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}};
struct sharp_global sg;
static void sharp_global_init(void)
{
memset(&sg, 0, sizeof(sg));
sg.nhs = list_new();
sg.nhs->del = (void (*)(void *))sharp_nh_tracker_free;
sg.ted = NULL;
sg.srv6_locators = list_new();
}
static void sharp_srv6_locators_list_delete(void *item)
{
struct sharp_srv6_locator *loc = item;
list_delete(&loc->chunks);
}
static void sharp_global_destroy(void)
{
list_delete(&sg.nhs);
sg.srv6_locators->del = sharp_srv6_locators_list_delete;
list_delete(&sg.srv6_locators);
}
/* Master of threads. */
struct event_loop *master;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received");
}
/* SIGINT / SIGTERM handler. */
static FRR_NORETURN void sigint(void)
{
zlog_notice("Terminating on signal");
vrf_terminate();
sharp_zebra_terminate();
sharp_global_destroy();
frr_fini();
exit(0);
}
/* SIGUSR1 handler. */
static void sigusr1(void)
{
zlog_rotate();
}
struct frr_signal_t sharp_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 sharpd_yang_modules[] = {
&frr_filter_info,
&frr_interface_info,
&frr_route_map_info,
&frr_vrf_info,
};
/* clang-format off */
FRR_DAEMON_INFO(sharpd, SHARP,
.vty_port = SHARP_VTY_PORT,
.proghelp = "Implementation of a Sharp of routes daemon.",
.signals = sharp_signals,
.n_signals = array_size(sharp_signals),
.privs = &sharp_privs,
.yang_modules = sharpd_yang_modules,
.n_yang_modules = array_size(sharpd_yang_modules),
);
/* clang-format on */
static void sharp_start_configuration(void)
{
zlog_debug("Configuration has started to be read");
}
static void sharp_end_configuration(void)
{
zlog_debug("Configuration has finished being read");
}
int main(int argc, char **argv, char **envp)
{
frr_preinit(&sharpd_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();
cmd_init_config_callbacks(sharp_start_configuration,
sharp_end_configuration);
sharp_global_init();
sharp_nhgroup_init();
vrf_init(NULL, NULL, NULL, NULL);
sharp_zebra_init();
/* Get configuration file. */
sharp_vty_init();
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
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