diff options
Diffstat (limited to 'ripd/rip_main.c')
-rw-r--r-- | ripd/rip_main.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/ripd/rip_main.c b/ripd/rip_main.c new file mode 100644 index 0000000..ac358eb --- /dev/null +++ b/ripd/rip_main.c @@ -0,0 +1,177 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* RIPd main routine. + * Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org> + */ + +#include <zebra.h> + +#include <lib/version.h> +#include "getopt.h" +#include "frrevent.h" +#include "command.h" +#include "memory.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 "if_rmap.h" +#include "libfrr.h" +#include "routemap.h" +#include "bfd.h" + +#include "ripd/ripd.h" +#include "ripd/rip_bfd.h" +#include "ripd/rip_nb.h" +#include "ripd/rip_errors.h" + +/* ripd options. */ +static struct option longopts[] = {{0}}; + +/* ripd privileges */ +zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN}; + +uint32_t zebra_ecmp_count = MULTIPATH_NUM; + +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 = array_size(_caps_p), + .cap_num_i = 0}; + +/* Master of threads. */ +struct event_loop *master; + +static struct frr_daemon_info ripd_di; + +/* SIGHUP handler. */ +static void sighup(void) +{ + zlog_info("SIGHUP received"); + + /* Reload config file. */ + vty_read_config(NULL, ripd_di.config_file, config_default); +} + +/* SIGINT handler. */ +static void sigint(void) +{ + zlog_notice("Terminating on signal"); + + bfd_protocol_integration_set_shutdown(true); + rip_vrf_terminate(); + if_rmap_terminate(); + rip_zclient_stop(); + frr_fini(); + + exit(0); +} + +/* SIGUSR1 handler. */ +static void sigusr1(void) +{ + zlog_rotate(); +} + +static struct frr_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 *const ripd_yang_modules[] = { + &frr_filter_info, + &frr_interface_info, + &frr_ripd_info, + &frr_route_map_info, + &frr_vrf_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), +); + +#define DEPRECATED_OPTIONS "" + +/* 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); + } + } + + /* Prepare master thread. */ + master = frr_init(); + + /* Library initialization. */ + rip_error_init(); + keychain_init(); + rip_vrf_init(); + + /* RIP related initialization. */ + rip_init(); + rip_if_init(); + rip_cli_init(); + rip_zclient_init(master); + rip_bfd_init(master); + + frr_config_fork(); + frr_run(master); + + /* Not reached. */ + return 0; +} |