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Commit | Line | Data |
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718e3744 | 1 | /* Main routine of bgpd. |
2 | Copyright (C) 1996, 97, 98, 1999 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "vector.h" | |
24 | #include "vty.h" | |
25 | #include "command.h" | |
26 | #include "getopt.h" | |
27 | #include "thread.h" | |
5e4fa164 | 28 | #include <lib/version.h> |
718e3744 | 29 | #include "memory.h" |
fc7948fa | 30 | #include "memory_vty.h" |
718e3744 | 31 | #include "prefix.h" |
32 | #include "log.h" | |
edd7c245 | 33 | #include "privs.h" |
2d75d052 | 34 | #include "sigevent.h" |
228da428 CC |
35 | #include "zclient.h" |
36 | #include "routemap.h" | |
37 | #include "filter.h" | |
38 | #include "plist.h" | |
8196f13d | 39 | #include "stream.h" |
3f9c7369 | 40 | #include "queue.h" |
6a69b354 | 41 | #include "vrf.h" |
567b877d | 42 | #include "bfd.h" |
718e3744 | 43 | |
44 | #include "bgpd/bgpd.h" | |
45 | #include "bgpd/bgp_attr.h" | |
46 | #include "bgpd/bgp_mplsvpn.h" | |
228da428 CC |
47 | #include "bgpd/bgp_aspath.h" |
48 | #include "bgpd/bgp_dump.h" | |
49 | #include "bgpd/bgp_route.h" | |
50 | #include "bgpd/bgp_nexthop.h" | |
51 | #include "bgpd/bgp_regex.h" | |
52 | #include "bgpd/bgp_clist.h" | |
53 | #include "bgpd/bgp_debug.h" | |
54 | #include "bgpd/bgp_filter.h" | |
8196f13d | 55 | #include "bgpd/bgp_zebra.h" |
718e3744 | 56 | |
57 | /* bgpd options, we use GNU getopt library. */ | |
372b3c70 | 58 | static const struct option longopts[] = |
718e3744 | 59 | { |
60 | { "daemon", no_argument, NULL, 'd'}, | |
61 | { "config_file", required_argument, NULL, 'f'}, | |
62 | { "pid_file", required_argument, NULL, 'i'}, | |
b5114685 | 63 | { "socket", required_argument, NULL, 'z'}, |
718e3744 | 64 | { "bgp_port", required_argument, NULL, 'p'}, |
3a02d1f7 | 65 | { "listenon", required_argument, NULL, 'l'}, |
718e3744 | 66 | { "vty_addr", required_argument, NULL, 'A'}, |
67 | { "vty_port", required_argument, NULL, 'P'}, | |
68 | { "retain", no_argument, NULL, 'r'}, | |
69 | { "no_kernel", no_argument, NULL, 'n'}, | |
edd7c245 | 70 | { "user", required_argument, NULL, 'u'}, |
c065230a | 71 | { "group", required_argument, NULL, 'g'}, |
a008f49a | 72 | { "skip_runas", no_argument, NULL, 'S'}, |
718e3744 | 73 | { "version", no_argument, NULL, 'v'}, |
876b8be0 | 74 | { "dryrun", no_argument, NULL, 'C'}, |
718e3744 | 75 | { "help", no_argument, NULL, 'h'}, |
76 | { 0 } | |
77 | }; | |
78 | ||
2d75d052 | 79 | /* signal definitions */ |
80 | void sighup (void); | |
81 | void sigint (void); | |
82 | void sigusr1 (void); | |
83 | ||
228da428 | 84 | static void bgp_exit (int); |
021530c1 | 85 | static void bgp_vrf_terminate (void); |
228da428 | 86 | |
372b3c70 | 87 | static struct quagga_signal_t bgp_signals[] = |
2d75d052 | 88 | { |
89 | { | |
90 | .signal = SIGHUP, | |
91 | .handler = &sighup, | |
92 | }, | |
93 | { | |
94 | .signal = SIGUSR1, | |
95 | .handler = &sigusr1, | |
96 | }, | |
97 | { | |
98 | .signal = SIGINT, | |
99 | .handler = &sigint, | |
f571dab0 | 100 | }, |
101 | { | |
102 | .signal = SIGTERM, | |
103 | .handler = &sigint, | |
2d75d052 | 104 | }, |
105 | }; | |
106 | ||
718e3744 | 107 | /* Configuration file and directory. */ |
718e3744 | 108 | char config_default[] = SYSCONFDIR BGP_DEFAULT_CONFIG; |
109 | ||
110 | /* Route retain mode flag. */ | |
372b3c70 | 111 | static int retain_mode = 0; |
718e3744 | 112 | |
718e3744 | 113 | /* Manually specified configuration file name. */ |
114 | char *config_file = NULL; | |
115 | ||
116 | /* Process ID saved for use by init system */ | |
372b3c70 | 117 | static const char *pid_file = PATH_BGPD_PID; |
718e3744 | 118 | |
119 | /* VTY port number and address. */ | |
120 | int vty_port = BGP_VTY_PORT; | |
121 | char *vty_addr = NULL; | |
122 | ||
edd7c245 | 123 | /* privileges */ |
372b3c70 | 124 | static zebra_capabilities_t _caps_p [] = |
edd7c245 | 125 | { |
98f5163c | 126 | ZCAP_BIND, |
ceacedba | 127 | ZCAP_NET_RAW, |
5c88f19d | 128 | ZCAP_NET_ADMIN, |
edd7c245 | 129 | }; |
130 | ||
131 | struct zebra_privs_t bgpd_privs = | |
132 | { | |
d81fadfd | 133 | #if defined(QUAGGA_USER) && defined(QUAGGA_GROUP) |
134 | .user = QUAGGA_USER, | |
135 | .group = QUAGGA_GROUP, | |
136 | #endif | |
137 | #ifdef VTY_GROUP | |
138 | .vty_group = VTY_GROUP, | |
edd7c245 | 139 | #endif |
140 | .caps_p = _caps_p, | |
837d16cc | 141 | .cap_num_p = array_size(_caps_p), |
edd7c245 | 142 | .cap_num_i = 0, |
143 | }; | |
144 | ||
718e3744 | 145 | /* Help information display. */ |
146 | static void | |
147 | usage (char *progname, int status) | |
148 | { | |
149 | if (status != 0) | |
150 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
151 | else | |
152 | { | |
153 | printf ("Usage : %s [OPTION...]\n\n\ | |
154 | Daemon which manages kernel routing table management and \ | |
155 | redistribution between different routing protocols.\n\n\ | |
156 | -d, --daemon Runs in daemon mode\n\ | |
157 | -f, --config_file Set configuration file name\n\ | |
158 | -i, --pid_file Set process identifier file name\n\ | |
b5114685 | 159 | -z, --socket Set path of zebra socket\n\ |
718e3744 | 160 | -p, --bgp_port Set bgp protocol's port number\n\ |
3a02d1f7 | 161 | -l, --listenon Listen on specified address (implies -n)\n\ |
718e3744 | 162 | -A, --vty_addr Set vty's bind address\n\ |
163 | -P, --vty_port Set vty's port number\n\ | |
164 | -r, --retain When program terminates, retain added route by bgpd.\n\ | |
165 | -n, --no_kernel Do not install route to kernel.\n\ | |
c065230a | 166 | -u, --user User to run as\n\ |
167 | -g, --group Group to run as\n\ | |
a008f49a | 168 | -S, --skip_runas Skip user and group run as\n\ |
718e3744 | 169 | -v, --version Print program version\n\ |
876b8be0 | 170 | -C, --dryrun Check configuration for validity and exit\n\ |
718e3744 | 171 | -h, --help Display this help and exit\n\ |
172 | \n\ | |
173 | Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS); | |
174 | } | |
175 | ||
176 | exit (status); | |
177 | } | |
6b0655a2 | 178 | |
718e3744 | 179 | /* SIGHUP handler. */ |
180 | void | |
2d75d052 | 181 | sighup (void) |
718e3744 | 182 | { |
16286195 | 183 | zlog_info ("SIGHUP received"); |
718e3744 | 184 | |
185 | /* Terminate all thread. */ | |
186 | bgp_terminate (); | |
187 | bgp_reset (); | |
188 | zlog_info ("bgpd restarting!"); | |
189 | ||
190 | /* Reload config file. */ | |
320ec10a | 191 | vty_read_config (config_file, config_default); |
718e3744 | 192 | |
193 | /* Create VTY's socket */ | |
4fc4e7ab | 194 | vty_serv_sock (vty_addr, vty_port, BGP_VTYSH_PATH); |
718e3744 | 195 | |
196 | /* Try to return to normal operation. */ | |
197 | } | |
198 | ||
199 | /* SIGINT handler. */ | |
35dece84 | 200 | __attribute__((__noreturn__)) void |
2d75d052 | 201 | sigint (void) |
718e3744 | 202 | { |
887c44a4 | 203 | zlog_notice ("Terminating on signal"); |
718e3744 | 204 | |
205 | if (! retain_mode) | |
a008f49a LB |
206 | { |
207 | bgp_terminate (); | |
208 | if (bgpd_privs.user) /* NULL if skip_runas flag set */ | |
209 | zprivs_terminate (&bgpd_privs); | |
210 | } | |
718e3744 | 211 | |
228da428 | 212 | bgp_exit (0); |
540766e7 DS |
213 | |
214 | exit (0); | |
718e3744 | 215 | } |
216 | ||
217 | /* SIGUSR1 handler. */ | |
218 | void | |
2d75d052 | 219 | sigusr1 (void) |
718e3744 | 220 | { |
221 | zlog_rotate (NULL); | |
222 | } | |
228da428 CC |
223 | |
224 | /* | |
225 | Try to free up allocations we know about so that diagnostic tools such as | |
226 | valgrind are able to better illuminate leaks. | |
227 | ||
228 | Zebra route removal and protocol teardown are not meant to be done here. | |
229 | For example, "retain_mode" may be set. | |
230 | */ | |
35dece84 | 231 | static __attribute__((__noreturn__)) void |
228da428 CC |
232 | bgp_exit (int status) |
233 | { | |
234 | struct bgp *bgp; | |
235 | struct listnode *node, *nnode; | |
228da428 CC |
236 | |
237 | /* it only makes sense for this to be called on a clean exit */ | |
238 | assert (status == 0); | |
239 | ||
567b877d | 240 | bfd_gbl_exit(); |
241 | ||
1ff9a340 DS |
242 | bgp_close(); |
243 | ||
228da428 CC |
244 | if (retain_mode) |
245 | if_add_hook (IF_DELETE_HOOK, NULL); | |
ad4cbda1 | 246 | |
46abd3e3 | 247 | /* reverse bgp_master_init */ |
248 | for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp)) | |
249 | bgp_delete (bgp); | |
250 | list_free (bm->bgp); | |
251 | ||
228da428 CC |
252 | /* reverse bgp_attr_init */ |
253 | bgp_attr_finish (); | |
254 | ||
255 | /* reverse bgp_dump_init */ | |
256 | bgp_dump_finish (); | |
257 | ||
258 | /* reverse bgp_route_init */ | |
259 | bgp_route_finish (); | |
260 | ||
518f0eb1 DS |
261 | /* cleanup route maps */ |
262 | bgp_route_map_terminate(); | |
228da428 | 263 | |
228da428 CC |
264 | /* reverse access_list_init */ |
265 | access_list_add_hook (NULL); | |
266 | access_list_delete_hook (NULL); | |
267 | access_list_reset (); | |
268 | ||
269 | /* reverse bgp_filter_init */ | |
270 | as_list_add_hook (NULL); | |
271 | as_list_delete_hook (NULL); | |
272 | bgp_filter_reset (); | |
273 | ||
274 | /* reverse prefix_list_init */ | |
275 | prefix_list_add_hook (NULL); | |
276 | prefix_list_delete_hook (NULL); | |
277 | prefix_list_reset (); | |
278 | ||
279 | /* reverse community_list_init */ | |
280 | community_list_terminate (bgp_clist); | |
281 | ||
021530c1 | 282 | bgp_vrf_terminate (); |
228da428 CC |
283 | cmd_terminate (); |
284 | vty_terminate (); | |
2f35bbfe LB |
285 | |
286 | bgp_zebra_destroy(); | |
8196f13d JB |
287 | if (bgp_nexthop_buf) |
288 | stream_free (bgp_nexthop_buf); | |
431aa9f9 DS |
289 | if (bgp_ifindices_buf) |
290 | stream_free (bgp_ifindices_buf); | |
228da428 CC |
291 | |
292 | /* reverse bgp_master_init */ | |
9229d914 DS |
293 | if (bm->master) |
294 | thread_master_free (bm->master); | |
228da428 CC |
295 | |
296 | if (zlog_default) | |
297 | closezlog (zlog_default); | |
298 | ||
228da428 CC |
299 | exit (status); |
300 | } | |
6b0655a2 | 301 | |
2fcc254e DS |
302 | static int |
303 | bgp_vrf_new (vrf_id_t vrf_id, const char *name, void **info) | |
304 | { | |
305 | if (BGP_DEBUG (zebra, ZEBRA)) | |
306 | zlog_debug ("VRF Created: %s(%d)", name, vrf_id); | |
307 | ||
308 | return 0; | |
309 | } | |
310 | ||
311 | static int | |
312 | bgp_vrf_delete (vrf_id_t vrf_id, const char *name, void **info) | |
313 | { | |
314 | if (BGP_DEBUG (zebra, ZEBRA)) | |
315 | zlog_debug ("VRF Deletion: %s(%d)", name, vrf_id); | |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
320 | static int | |
321 | bgp_vrf_enable (vrf_id_t vrf_id, const char *name, void **info) | |
322 | { | |
323 | struct vrf *vrf; | |
324 | struct bgp *bgp; | |
eb117f29 | 325 | vrf_id_t old_vrf_id; |
2fcc254e DS |
326 | |
327 | vrf = vrf_lookup (vrf_id); | |
328 | if (!vrf) // unexpected | |
329 | return -1; | |
330 | ||
331 | if (BGP_DEBUG (zebra, ZEBRA)) | |
332 | zlog_debug("VRF enable add %s id %d", name, vrf_id); | |
333 | ||
334 | bgp = bgp_lookup_by_name(name); | |
335 | if (bgp) | |
336 | { | |
eb117f29 | 337 | old_vrf_id = bgp->vrf_id; |
2fcc254e DS |
338 | /* We have instance configured, link to VRF and make it "up". */ |
339 | bgp_vrf_link (bgp, vrf); | |
eb117f29 SK |
340 | |
341 | /* Update any redistribute vrf bitmaps if the vrf_id changed */ | |
342 | if (old_vrf_id != bgp->vrf_id) | |
343 | bgp_update_redist_vrf_bitmaps(bgp, old_vrf_id); | |
2fcc254e DS |
344 | bgp_instance_up (bgp); |
345 | } | |
346 | ||
347 | return 0; | |
348 | } | |
349 | ||
350 | static int | |
351 | bgp_vrf_disable (vrf_id_t vrf_id, const char *name, void **info) | |
352 | { | |
353 | struct vrf *vrf; | |
354 | struct bgp *bgp; | |
eb117f29 | 355 | vrf_id_t old_vrf_id; |
2fcc254e DS |
356 | |
357 | if (vrf_id == VRF_DEFAULT) | |
358 | return 0; | |
359 | ||
360 | vrf = vrf_lookup (vrf_id); | |
361 | if (!vrf) // unexpected | |
362 | return -1; | |
363 | ||
364 | if (BGP_DEBUG (zebra, ZEBRA)) | |
365 | zlog_debug("VRF disable %s id %d", name, vrf_id); | |
366 | ||
367 | bgp = bgp_lookup_by_name(name); | |
368 | if (bgp) | |
369 | { | |
eb117f29 | 370 | old_vrf_id = bgp->vrf_id; |
2fcc254e DS |
371 | /* We have instance configured, unlink from VRF and make it "down". */ |
372 | bgp_vrf_unlink (bgp, vrf); | |
eb117f29 SK |
373 | /* Update any redistribute vrf bitmaps if the vrf_id changed */ |
374 | if (old_vrf_id != bgp->vrf_id) | |
375 | bgp_update_redist_vrf_bitmaps(bgp, old_vrf_id); | |
2fcc254e DS |
376 | bgp_instance_down (bgp); |
377 | } | |
378 | ||
379 | /* Note: This is a callback, the VRF will be deleted by the caller. */ | |
380 | return 0; | |
381 | } | |
382 | ||
383 | static void | |
384 | bgp_vrf_init (void) | |
385 | { | |
386 | vrf_add_hook (VRF_NEW_HOOK, bgp_vrf_new); | |
387 | vrf_add_hook (VRF_ENABLE_HOOK, bgp_vrf_enable); | |
388 | vrf_add_hook (VRF_DISABLE_HOOK, bgp_vrf_disable); | |
389 | vrf_add_hook (VRF_DELETE_HOOK, bgp_vrf_delete); | |
390 | ||
391 | vrf_init (); | |
392 | } | |
393 | ||
021530c1 | 394 | static void |
395 | bgp_vrf_terminate (void) | |
396 | { | |
397 | vrf_add_hook (VRF_NEW_HOOK, NULL); | |
398 | vrf_add_hook (VRF_ENABLE_HOOK, NULL); | |
399 | vrf_add_hook (VRF_DISABLE_HOOK, NULL); | |
400 | vrf_add_hook (VRF_DELETE_HOOK, NULL); | |
401 | ||
402 | vrf_terminate (); | |
403 | } | |
404 | ||
718e3744 | 405 | /* Main routine of bgpd. Treatment of argument and start bgp finite |
406 | state machine is handled at here. */ | |
407 | int | |
408 | main (int argc, char **argv) | |
409 | { | |
410 | char *p; | |
411 | int opt; | |
412 | int daemon_mode = 0; | |
876b8be0 | 413 | int dryrun = 0; |
718e3744 | 414 | char *progname; |
415 | struct thread thread; | |
0d6b2ee2 | 416 | int tmp_port; |
a008f49a | 417 | int skip_runas = 0; |
718e3744 | 418 | |
419 | /* Set umask before anything for security */ | |
420 | umask (0027); | |
421 | ||
422 | /* Preserve name of myself. */ | |
423 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
424 | ||
718e3744 | 425 | /* BGP master init. */ |
426 | bgp_master_init (); | |
427 | ||
428 | /* Command line argument treatment. */ | |
429 | while (1) | |
430 | { | |
a008f49a | 431 | opt = getopt_long (argc, argv, "df:i:z:hp:l:A:P:rnu:g:vCS", longopts, 0); |
718e3744 | 432 | |
433 | if (opt == EOF) | |
434 | break; | |
435 | ||
436 | switch (opt) | |
437 | { | |
438 | case 0: | |
439 | break; | |
440 | case 'd': | |
441 | daemon_mode = 1; | |
442 | break; | |
443 | case 'f': | |
444 | config_file = optarg; | |
445 | break; | |
446 | case 'i': | |
447 | pid_file = optarg; | |
448 | break; | |
b5114685 VT |
449 | case 'z': |
450 | zclient_serv_path_set (optarg); | |
451 | break; | |
718e3744 | 452 | case 'p': |
0d6b2ee2 PJ |
453 | tmp_port = atoi (optarg); |
454 | if (tmp_port <= 0 || tmp_port > 0xffff) | |
455 | bm->port = BGP_PORT_DEFAULT; | |
456 | else | |
457 | bm->port = tmp_port; | |
718e3744 | 458 | break; |
459 | case 'A': | |
460 | vty_addr = optarg; | |
461 | break; | |
462 | case 'P': | |
4fc4e7ab | 463 | /* Deal with atoi() returning 0 on failure, and bgpd not |
464 | listening on bgp port... */ | |
465 | if (strcmp(optarg, "0") == 0) | |
466 | { | |
467 | vty_port = 0; | |
468 | break; | |
469 | } | |
470 | vty_port = atoi (optarg); | |
0d6b2ee2 PJ |
471 | if (vty_port <= 0 || vty_port > 0xffff) |
472 | vty_port = BGP_VTY_PORT; | |
718e3744 | 473 | break; |
474 | case 'r': | |
475 | retain_mode = 1; | |
476 | break; | |
3a02d1f7 PJ |
477 | case 'l': |
478 | bm->address = optarg; | |
479 | /* listenon implies -n */ | |
718e3744 | 480 | case 'n': |
481 | bgp_option_set (BGP_OPT_NO_FIB); | |
482 | break; | |
c065230a | 483 | case 'u': |
484 | bgpd_privs.user = optarg; | |
485 | break; | |
486 | case 'g': | |
487 | bgpd_privs.group = optarg; | |
488 | break; | |
a008f49a LB |
489 | case 'S': /* skip run as = override bgpd_privs */ |
490 | skip_runas = 1; | |
491 | break; | |
718e3744 | 492 | case 'v': |
493 | print_version (progname); | |
494 | exit (0); | |
495 | break; | |
876b8be0 PJ |
496 | case 'C': |
497 | dryrun = 1; | |
498 | break; | |
718e3744 | 499 | case 'h': |
500 | usage (progname, 0); | |
501 | break; | |
502 | default: | |
503 | usage (progname, 1); | |
504 | break; | |
505 | } | |
506 | } | |
507 | ||
03809024 DS |
508 | zlog_default = openzlog (progname, ZLOG_BGP, 0, |
509 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); | |
a008f49a LB |
510 | |
511 | if (skip_runas) | |
512 | memset (&bgpd_privs, 0, sizeof (bgpd_privs)); | |
03809024 | 513 | zprivs_init (&bgpd_privs); |
a008f49a | 514 | |
03809024 DS |
515 | #if defined(HAVE_CUMULUS) |
516 | zlog_set_level (NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); | |
517 | #endif | |
87d4a781 | 518 | |
718e3744 | 519 | /* Initializations. */ |
b06fd125 | 520 | srandom (time (NULL)); |
9229d914 | 521 | signal_init (bm->master, array_size(bgp_signals), bgp_signals); |
718e3744 | 522 | cmd_init (1); |
9229d914 | 523 | vty_init (bm->master); |
718e3744 | 524 | memory_init (); |
2fcc254e | 525 | bgp_vrf_init (); |
718e3744 | 526 | |
527 | /* BGP related initialization. */ | |
528 | bgp_init (); | |
529 | ||
718e3744 | 530 | /* Parse config file. */ |
320ec10a | 531 | vty_read_config (config_file, config_default); |
718e3744 | 532 | |
876b8be0 PJ |
533 | /* Start execution only if not in dry-run mode */ |
534 | if(dryrun) | |
535 | return(0); | |
536 | ||
718e3744 | 537 | /* Turn into daemon if daemon_mode is set. */ |
372b3c70 SH |
538 | if (daemon_mode && daemon (0, 0) < 0) |
539 | { | |
540 | zlog_err("BGPd daemon failed: %s", strerror(errno)); | |
541 | return (1); | |
542 | } | |
543 | ||
718e3744 | 544 | |
545 | /* Process ID file creation. */ | |
546 | pid_output (pid_file); | |
547 | ||
548 | /* Make bgp vty socket. */ | |
549 | vty_serv_sock (vty_addr, vty_port, BGP_VTYSH_PATH); | |
550 | ||
551 | /* Print banner. */ | |
3a02d1f7 | 552 | zlog_notice ("BGPd %s starting: vty@%d, bgp@%s:%d", QUAGGA_VERSION, |
7e992e95 | 553 | vty_port, |
b63e6089 | 554 | (bm->address ? bm->address : "<all>"), |
7e992e95 | 555 | bm->port); |
718e3744 | 556 | |
557 | /* Start finite state machine, here we go! */ | |
9229d914 | 558 | while (thread_fetch (bm->master, &thread)) |
718e3744 | 559 | thread_call (&thread); |
560 | ||
561 | /* Not reached. */ | |
e8e1946e | 562 | return (0); |
718e3744 | 563 | } |