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-rw-r--r--zebra/main.c443
1 files changed, 215 insertions, 228 deletions
diff --git a/zebra/main.c b/zebra/main.c
index 84d71c33b9..792eb20f6a 100644
--- a/zebra/main.c
+++ b/zebra/main.c
@@ -52,9 +52,8 @@
#define ZEBRA_PTM_SUPPORT
/* Zebra instance */
-struct zebra_t zebrad =
-{
- .rtm_table_default = 0,
+struct zebra_t zebrad = {
+ .rtm_table_default = 0,
};
/* process id. */
@@ -78,284 +77,272 @@ u_int32_t nl_rcvbufsize = 4194304;
#endif /* HAVE_NETLINK */
/* Command line options. */
-struct option longopts[] =
-{
- { "batch", no_argument, NULL, 'b'},
- { "allow_delete", no_argument, NULL, 'a'},
- { "keep_kernel", no_argument, NULL, 'k'},
- { "socket", required_argument, NULL, 'z'},
- { "ecmp", required_argument, NULL, 'e'},
- { "label_socket", no_argument, NULL, 'l'},
- { "retain", no_argument, NULL, 'r'},
+struct option longopts[] = {{"batch", no_argument, NULL, 'b'},
+ {"allow_delete", no_argument, NULL, 'a'},
+ {"keep_kernel", no_argument, NULL, 'k'},
+ {"socket", required_argument, NULL, 'z'},
+ {"ecmp", required_argument, NULL, 'e'},
+ {"label_socket", no_argument, NULL, 'l'},
+ {"retain", no_argument, NULL, 'r'},
#ifdef HAVE_NETLINK
- { "nl-bufsize", required_argument, NULL, 's'},
+ {"nl-bufsize", required_argument, NULL, 's'},
#endif /* HAVE_NETLINK */
- { 0 }
-};
+ {0}};
-zebra_capabilities_t _caps_p [] =
-{
- ZCAP_NET_ADMIN,
- ZCAP_SYS_ADMIN,
- ZCAP_NET_RAW,
+zebra_capabilities_t _caps_p[] = {
+ ZCAP_NET_ADMIN, ZCAP_SYS_ADMIN, ZCAP_NET_RAW,
};
/* zebra privileges to run with */
-struct zebra_privs_t zserv_privs =
-{
+struct zebra_privs_t zserv_privs = {
#if defined(FRR_USER) && defined(FRR_GROUP)
- .user = FRR_USER,
- .group = FRR_GROUP,
+ .user = FRR_USER,
+ .group = FRR_GROUP,
#endif
#ifdef VTY_GROUP
- .vty_group = VTY_GROUP,
+ .vty_group = VTY_GROUP,
#endif
- .caps_p = _caps_p,
- .cap_num_p = array_size(_caps_p),
- .cap_num_i = 0
-};
+ .caps_p = _caps_p,
+ .cap_num_p = array_size(_caps_p),
+ .cap_num_i = 0};
unsigned int multipath_num = MULTIPATH_NUM;
/* SIGHUP handler. */
-static void
-sighup (void)
+static void sighup(void)
{
- zlog_info ("SIGHUP received");
+ zlog_info("SIGHUP received");
- /* Reload of config file. */
- ;
+ /* Reload of config file. */
+ ;
}
/* SIGINT handler. */
-static void
-sigint (void)
+static void sigint(void)
{
- struct vrf *vrf;
- struct zebra_vrf *zvrf;
- struct zebra_ns *zns;
+ struct vrf *vrf;
+ struct zebra_vrf *zvrf;
+ struct zebra_ns *zns;
- zlog_notice ("Terminating on signal");
+ zlog_notice("Terminating on signal");
#ifdef HAVE_IRDP
- irdp_finish();
+ irdp_finish();
#endif
- zebra_ptm_finish();
- list_delete_all_node (zebrad.client_list);
-
- if (retain_mode)
- RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name)
- {
- zvrf = vrf->info;
- if (zvrf)
- SET_FLAG (zvrf->flags, ZEBRA_VRF_RETAIN);
- }
- vrf_terminate ();
-
- zns = zebra_ns_lookup (NS_DEFAULT);
- zebra_ns_disable (0, (void **)&zns);
-
- access_list_reset ();
- prefix_list_reset ();
- route_map_finish ();
- cmd_terminate ();
- vty_terminate ();
- zprivs_terminate (&zserv_privs);
- list_delete (zebrad.client_list);
- work_queue_free (zebrad.ribq);
- if (zebrad.lsp_process_q)
- work_queue_free (zebrad.lsp_process_q);
- meta_queue_free (zebrad.mq);
- thread_master_free (zebrad.master);
- closezlog ();
-
- exit (0);
+ zebra_ptm_finish();
+ list_delete_all_node(zebrad.client_list);
+
+ if (retain_mode)
+ RB_FOREACH(vrf, vrf_name_head, &vrfs_by_name)
+ {
+ zvrf = vrf->info;
+ if (zvrf)
+ SET_FLAG(zvrf->flags, ZEBRA_VRF_RETAIN);
+ }
+ vrf_terminate();
+
+ zns = zebra_ns_lookup(NS_DEFAULT);
+ zebra_ns_disable(0, (void **)&zns);
+
+ access_list_reset();
+ prefix_list_reset();
+ route_map_finish();
+ cmd_terminate();
+ vty_terminate();
+ zprivs_terminate(&zserv_privs);
+ list_delete(zebrad.client_list);
+ work_queue_free(zebrad.ribq);
+ if (zebrad.lsp_process_q)
+ work_queue_free(zebrad.lsp_process_q);
+ meta_queue_free(zebrad.mq);
+ thread_master_free(zebrad.master);
+ closezlog();
+
+ exit(0);
}
/* SIGUSR1 handler. */
-static void
-sigusr1 (void)
+static void sigusr1(void)
{
- zlog_rotate();
+ zlog_rotate();
}
-struct quagga_signal_t zebra_signals[] =
-{
- {
- .signal = SIGHUP,
- .handler = &sighup,
- },
- {
- .signal = SIGUSR1,
- .handler = &sigusr1,
- },
- {
- .signal = SIGINT,
- .handler = &sigint,
- },
- {
- .signal = SIGTERM,
- .handler = &sigint,
- },
+struct quagga_signal_t zebra_signals[] = {
+ {
+ .signal = SIGHUP,
+ .handler = &sighup,
+ },
+ {
+ .signal = SIGUSR1,
+ .handler = &sigusr1,
+ },
+ {
+ .signal = SIGINT,
+ .handler = &sigint,
+ },
+ {
+ .signal = SIGTERM,
+ .handler = &sigint,
+ },
};
-FRR_DAEMON_INFO(zebra, ZEBRA,
- .vty_port = ZEBRA_VTY_PORT,
- .flags = FRR_NO_ZCLIENT,
+FRR_DAEMON_INFO(
+ zebra, ZEBRA, .vty_port = ZEBRA_VTY_PORT, .flags = FRR_NO_ZCLIENT,
- .proghelp = "Daemon which manages kernel routing table management "
+ .proghelp =
+ "Daemon which manages kernel routing table management "
"and\nredistribution between different routing protocols.",
- .signals = zebra_signals,
- .n_signals = array_size(zebra_signals),
+ .signals = zebra_signals, .n_signals = array_size(zebra_signals),
- .privs = &zserv_privs,
-)
+ .privs = &zserv_privs, )
/* Main startup routine. */
-int
-main (int argc, char **argv)
+int main(int argc, char **argv)
{
- // int batch_mode = 0;
- char *zserv_path = NULL;
- /* Socket to external label manager */
- char *lblmgr_path = NULL;
+ // int batch_mode = 0;
+ char *zserv_path = NULL;
+ /* Socket to external label manager */
+ char *lblmgr_path = NULL;
- frr_preinit(&zebra_di, argc, argv);
+ frr_preinit(&zebra_di, argc, argv);
- frr_opt_add("bakz:e:l:r"
+ frr_opt_add(
+ "bakz:e:l:r"
#ifdef HAVE_NETLINK
- "s:"
+ "s:"
#endif
- , longopts,
- " -b, --batch Runs in batch mode\n"
- " -a, --allow_delete Allow other processes to delete zebra routes\n"
- " -z, --socket Set path of zebra socket\n"
- " -e, --ecmp Specify ECMP to use.\n"
- " -l, --label_socket Socket to external label manager\n"\
- " -k, --keep_kernel Don't delete old routes which installed by zebra.\n"
- " -r, --retain When program terminates, retain added route by zebra.\n"
+ ,
+ longopts,
+ " -b, --batch Runs in batch mode\n"
+ " -a, --allow_delete Allow other processes to delete zebra routes\n"
+ " -z, --socket Set path of zebra socket\n"
+ " -e, --ecmp Specify ECMP to use.\n"
+ " -l, --label_socket Socket to external label manager\n"
+ " -k, --keep_kernel Don't delete old routes which installed by zebra.\n"
+ " -r, --retain When program terminates, retain added route by zebra.\n"
#ifdef HAVE_NETLINK
- " -s, --nl-bufsize Set netlink receive buffer size\n"
+ " -s, --nl-bufsize Set netlink receive buffer size\n"
#endif /* HAVE_NETLINK */
- );
-
- while (1)
- {
- int opt = frr_getopt(argc, argv, NULL);
-
- if (opt == EOF)
- break;
-
- switch (opt)
- {
- case 0:
- break;
- case 'b':
- // batch_mode = 1;
- break;
- case 'a':
- allow_delete = 1;
- break;
- case 'k':
- keep_kernel_mode = 1;
- break;
- case 'e':
- multipath_num = atoi (optarg);
- if (multipath_num > MULTIPATH_NUM || multipath_num <= 0)
- {
- zlog_err ("Multipath Number specified must be less than %d and greater than 0", MULTIPATH_NUM);
- return 1;
- }
- break;
- case 'z':
- zserv_path = optarg;
- break;
- case 'l':
- lblmgr_path = optarg;
- break;
- case 'r':
- retain_mode = 1;
- break;
+ );
+
+ while (1) {
+ int opt = frr_getopt(argc, argv, NULL);
+
+ if (opt == EOF)
+ break;
+
+ switch (opt) {
+ case 0:
+ break;
+ case 'b':
+ // batch_mode = 1;
+ break;
+ case 'a':
+ allow_delete = 1;
+ break;
+ case 'k':
+ keep_kernel_mode = 1;
+ break;
+ case 'e':
+ multipath_num = atoi(optarg);
+ if (multipath_num > MULTIPATH_NUM
+ || multipath_num <= 0) {
+ zlog_err(
+ "Multipath Number specified must be less than %d and greater than 0",
+ MULTIPATH_NUM);
+ return 1;
+ }
+ break;
+ case 'z':
+ zserv_path = optarg;
+ break;
+ case 'l':
+ lblmgr_path = optarg;
+ break;
+ case 'r':
+ retain_mode = 1;
+ break;
#ifdef HAVE_NETLINK
- case 's':
- nl_rcvbufsize = atoi (optarg);
- break;
+ case 's':
+ nl_rcvbufsize = atoi(optarg);
+ break;
#endif /* HAVE_NETLINK */
- default:
- frr_help_exit (1);
- break;
+ default:
+ frr_help_exit(1);
+ break;
+ }
}
- }
-
- vty_config_lockless ();
- zebrad.master = frr_init();
-
- /* Zebra related initialize. */
- zebra_init ();
- rib_init ();
- zebra_if_init ();
- zebra_debug_init ();
- router_id_cmd_init ();
- zebra_vty_init ();
- access_list_init ();
- prefix_list_init ();
-#if defined (HAVE_RTADV)
- rtadv_cmd_init ();
+
+ vty_config_lockless();
+ zebrad.master = frr_init();
+
+ /* Zebra related initialize. */
+ zebra_init();
+ rib_init();
+ zebra_if_init();
+ zebra_debug_init();
+ router_id_cmd_init();
+ zebra_vty_init();
+ access_list_init();
+ prefix_list_init();
+#if defined(HAVE_RTADV)
+ rtadv_cmd_init();
#endif
#ifdef HAVE_IRDP
- irdp_init();
+ irdp_init();
#endif
- /* PTM socket */
+/* PTM socket */
#ifdef ZEBRA_PTM_SUPPORT
- zebra_ptm_init();
+ zebra_ptm_init();
#endif
- zebra_mpls_init ();
- zebra_mpls_vty_init ();
- zebra_pw_vty_init ();
-
- /* For debug purpose. */
- /* SET_FLAG (zebra_debug_event, ZEBRA_DEBUG_EVENT); */
-
- /* Initialize NS( and implicitly the VRF module), and make kernel routing socket. */
- zebra_ns_init ();
-
- /* Process the configuration file. Among other configuration
- * directives we can meet those installing static routes. Such
- * requests will not be executed immediately, but queued in
- * zebra->ribq structure until we enter the main execution loop.
- * The notifications from kernel will show originating PID equal
- * to that after daemon() completes (if ever called).
- */
- frr_config_fork();
-
- /* Clean up rib -- before fork (?) */
- /* rib_weed_tables (); */
-
- /* After we have successfully acquired the pidfile, we can be sure
- * about being the only copy of zebra process, which is submitting
- * changes to the FIB.
- * Clean up zebra-originated routes. The requests will be sent to OS
- * immediately, so originating PID in notifications from kernel
- * will be equal to the current getpid(). To know about such routes,
- * we have to have route_read() called before.
- */
- if (! keep_kernel_mode)
- rib_sweep_route ();
-
- /* Needed for BSD routing socket. */
- pid = getpid ();
-
- /* This must be done only after locking pidfile (bug #403). */
- zebra_zserv_socket_init (zserv_path);
-
- /* Init label manager */
- label_manager_init (lblmgr_path);
-
- frr_run (zebrad.master);
-
- /* Not reached... */
- return 0;
+ zebra_mpls_init();
+ zebra_mpls_vty_init();
+ zebra_pw_vty_init();
+
+ /* For debug purpose. */
+ /* SET_FLAG (zebra_debug_event, ZEBRA_DEBUG_EVENT); */
+
+ /* Initialize NS( and implicitly the VRF module), and make kernel
+ * routing socket. */
+ zebra_ns_init();
+
+ /* Process the configuration file. Among other configuration
+ * directives we can meet those installing static routes. Such
+ * requests will not be executed immediately, but queued in
+ * zebra->ribq structure until we enter the main execution loop.
+ * The notifications from kernel will show originating PID equal
+ * to that after daemon() completes (if ever called).
+ */
+ frr_config_fork();
+
+ /* Clean up rib -- before fork (?) */
+ /* rib_weed_tables (); */
+
+ /* After we have successfully acquired the pidfile, we can be sure
+ * about being the only copy of zebra process, which is submitting
+ * changes to the FIB.
+ * Clean up zebra-originated routes. The requests will be sent to OS
+ * immediately, so originating PID in notifications from kernel
+ * will be equal to the current getpid(). To know about such routes,
+ * we have to have route_read() called before.
+ */
+ if (!keep_kernel_mode)
+ rib_sweep_route();
+
+ /* Needed for BSD routing socket. */
+ pid = getpid();
+
+ /* This must be done only after locking pidfile (bug #403). */
+ zebra_zserv_socket_init(zserv_path);
+
+ /* Init label manager */
+ label_manager_init(lblmgr_path);
+
+ frr_run(zebrad.master);
+
+ /* Not reached... */
+ return 0;
}