2 * BGP Multipath Unit Test
3 * Copyright (C) 2010 Google Inc.
5 * This file is part of Quagga
7 * Quagga is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * Quagga is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Quagga; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
35 #include "bgpd/bgpd.h"
36 #include "bgpd/bgp_table.h"
37 #include "bgpd/bgp_route.h"
38 #include "bgpd/bgp_attr.h"
39 #include "bgpd/bgp_nexthop.h"
40 #include "bgpd/bgp_mpath.h"
42 #define VT100_RESET "\x1b[0m"
43 #define VT100_RED "\x1b[31m"
44 #define VT100_GREEN "\x1b[32m"
45 #define VT100_YELLOW "\x1b[33m"
46 #define OK VT100_GREEN "OK" VT100_RESET
47 #define FAILED VT100_RED "failed" VT100_RESET
50 #define TEST_FAILED -1
52 #define EXPECT_TRUE(expr, res) \
55 printf ("Test failure in %s line %u: %s\n", \
56 __FUNCTION__, __LINE__, #expr); \
57 (res) = TEST_FAILED; \
60 typedef struct testcase_t__ testcase_t
;
62 typedef int (*test_setup_func
)(testcase_t
*);
63 typedef int (*test_run_func
)(testcase_t
*);
64 typedef int (*test_cleanup_func
)(testcase_t
*);
71 test_setup_func setup
;
73 test_cleanup_func cleanup
;
76 /* need these to link in libbgp */
77 struct thread_master
*master
= NULL
;
78 struct zclient
*zclient
;
79 struct zebra_privs_t bgpd_privs
=
88 /* Create fake bgp instance */
90 bgp_create_fake (as_t
*as
, const char *name
)
96 if ( (bgp
= XCALLOC (MTYPE_BGP
, sizeof (struct bgp
))) == NULL
)
100 //bgp->peer_self = peer_new (bgp);
101 //bgp->peer_self->host = XSTRDUP (MTYPE_BGP_PEER_HOST, "Static announcement");
103 bgp
->peer
= list_new ();
104 //bgp->peer->cmp = (int (*)(void *, void *)) peer_cmp;
106 bgp
->group
= list_new ();
107 //bgp->group->cmp = (int (*)(void *, void *)) peer_group_cmp;
109 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
110 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
112 bgp
->route
[afi
][safi
] = bgp_table_init (afi
, safi
);
113 bgp
->aggregate
[afi
][safi
] = bgp_table_init (afi
, safi
);
114 bgp
->rib
[afi
][safi
] = bgp_table_init (afi
, safi
);
115 bgp
->maxpaths
[afi
][safi
].maxpaths_ebgp
= MULTIPATH_NUM
;
116 bgp
->maxpaths
[afi
][safi
].maxpaths_ibgp
= MULTIPATH_NUM
;
120 bgp
->default_local_pref
= BGP_DEFAULT_LOCAL_PREF
;
121 bgp
->default_holdtime
= BGP_DEFAULT_HOLDTIME
;
122 bgp
->default_keepalive
= BGP_DEFAULT_KEEPALIVE
;
123 bgp
->restart_time
= BGP_DEFAULT_RESTART_TIME
;
124 bgp
->stalepath_time
= BGP_DEFAULT_STALEPATH_TIME
;
129 bgp
->name
= strdup (name
);
134 /*=========================================================
135 * Testcase for maximum-paths configuration
138 setup_bgp_cfg_maximum_paths (testcase_t
*t
)
141 t
->tmp_data
= bgp_create_fake (&asn
, NULL
);
148 run_bgp_cfg_maximum_paths (testcase_t
*t
)
154 int test_result
= TEST_PASSED
;
157 for (afi
= AFI_IP
; afi
< AFI_MAX
; afi
++)
158 for (safi
= SAFI_UNICAST
; safi
< SAFI_MAX
; safi
++)
160 /* test bgp_maximum_paths_set */
161 api_result
= bgp_maximum_paths_set (bgp
, afi
, safi
, BGP_PEER_EBGP
, 10, 0);
162 EXPECT_TRUE (api_result
== 0, test_result
);
163 api_result
= bgp_maximum_paths_set (bgp
, afi
, safi
, BGP_PEER_IBGP
, 10, 0);
164 EXPECT_TRUE (api_result
== 0, test_result
);
165 EXPECT_TRUE (bgp
->maxpaths
[afi
][safi
].maxpaths_ebgp
== 10, test_result
);
166 EXPECT_TRUE (bgp
->maxpaths
[afi
][safi
].maxpaths_ibgp
== 10, test_result
);
168 /* test bgp_maximum_paths_unset */
169 api_result
= bgp_maximum_paths_unset (bgp
, afi
, safi
, BGP_PEER_EBGP
);
170 EXPECT_TRUE (api_result
== 0, test_result
);
171 api_result
= bgp_maximum_paths_unset (bgp
, afi
, safi
, BGP_PEER_IBGP
);
172 EXPECT_TRUE (api_result
== 0, test_result
);
173 EXPECT_TRUE ((bgp
->maxpaths
[afi
][safi
].maxpaths_ebgp
==
174 MULTIPATH_NUM
), test_result
);
175 EXPECT_TRUE ((bgp
->maxpaths
[afi
][safi
].maxpaths_ibgp
==
176 MULTIPATH_NUM
), test_result
);
183 cleanup_bgp_cfg_maximum_paths (testcase_t
*t
)
185 return bgp_delete ((struct bgp
*)t
->tmp_data
);
188 testcase_t test_bgp_cfg_maximum_paths
= {
189 .desc
= "Test bgp maximum-paths config",
190 .setup
= setup_bgp_cfg_maximum_paths
,
191 .run
= run_bgp_cfg_maximum_paths
,
192 .cleanup
= cleanup_bgp_cfg_maximum_paths
,
195 /*=========================================================
196 * Testcase for bgp_mp_list
198 struct peer test_mp_list_peer
[] = {
199 { .local_as
= 1, .as
= 2 },
200 { .local_as
= 1, .as
= 2 },
201 { .local_as
= 1, .as
= 2 },
202 { .local_as
= 1, .as
= 2 },
203 { .local_as
= 1, .as
= 2 },
205 int test_mp_list_peer_count
= sizeof (test_mp_list_peer
)/ sizeof (struct peer
);
206 struct attr test_mp_list_attr
[4];
207 struct bgp_info test_mp_list_info
[] = {
208 { .peer
= &test_mp_list_peer
[0], .attr
= &test_mp_list_attr
[0] },
209 { .peer
= &test_mp_list_peer
[1], .attr
= &test_mp_list_attr
[1] },
210 { .peer
= &test_mp_list_peer
[2], .attr
= &test_mp_list_attr
[1] },
211 { .peer
= &test_mp_list_peer
[3], .attr
= &test_mp_list_attr
[2] },
212 { .peer
= &test_mp_list_peer
[4], .attr
= &test_mp_list_attr
[3] },
214 int test_mp_list_info_count
=
215 sizeof (test_mp_list_info
)/sizeof (struct bgp_info
);
218 setup_bgp_mp_list (testcase_t
*t
)
220 test_mp_list_attr
[0].nexthop
.s_addr
= 0x01010101;
221 test_mp_list_attr
[1].nexthop
.s_addr
= 0x02020202;
222 test_mp_list_attr
[2].nexthop
.s_addr
= 0x03030303;
223 test_mp_list_attr
[3].nexthop
.s_addr
= 0x04040404;
225 if ((test_mp_list_peer
[0].su_remote
= sockunion_str2su ("1.1.1.1")) == NULL
)
227 if ((test_mp_list_peer
[1].su_remote
= sockunion_str2su ("2.2.2.2")) == NULL
)
229 if ((test_mp_list_peer
[2].su_remote
= sockunion_str2su ("3.3.3.3")) == NULL
)
231 if ((test_mp_list_peer
[3].su_remote
= sockunion_str2su ("4.4.4.4")) == NULL
)
233 if ((test_mp_list_peer
[4].su_remote
= sockunion_str2su ("5.5.5.5")) == NULL
)
240 run_bgp_mp_list (testcase_t
*t
)
243 struct listnode
*mp_node
;
244 struct bgp_info
*info
;
246 int test_result
= TEST_PASSED
;
247 bgp_mp_list_init (&mp_list
);
248 EXPECT_TRUE (listcount(&mp_list
) == 0, test_result
);
250 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[1]);
251 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[4]);
252 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[2]);
253 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[3]);
254 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[0]);
256 for (i
= 0, mp_node
= mp_list
.head
; i
< test_mp_list_info_count
;
257 i
++, mp_node
= listnextnode(mp_node
))
259 info
= listgetdata(mp_node
);
260 EXPECT_TRUE (info
== &test_mp_list_info
[i
], test_result
);
263 bgp_mp_list_clear (&mp_list
);
264 EXPECT_TRUE (listcount(&mp_list
) == 0, test_result
);
270 cleanup_bgp_mp_list (testcase_t
*t
)
274 for (i
= 0; i
< test_mp_list_peer_count
; i
++)
275 sockunion_free (test_mp_list_peer
[i
].su_remote
);
280 testcase_t test_bgp_mp_list
= {
281 .desc
= "Test bgp_mp_list",
282 .setup
= setup_bgp_mp_list
,
283 .run
= run_bgp_mp_list
,
284 .cleanup
= cleanup_bgp_mp_list
,
287 /*=========================================================
288 * Testcase for bgp_info_mpath_update
291 struct bgp_node test_rn
;
294 setup_bgp_info_mpath_update (testcase_t
*t
)
297 str2prefix ("42.1.1.0/24", &test_rn
.p
);
298 setup_bgp_mp_list (t
);
299 for (i
= 0; i
< test_mp_list_info_count
; i
++)
300 bgp_info_add (&test_rn
, &test_mp_list_info
[i
]);
305 run_bgp_info_mpath_update (testcase_t
*t
)
307 struct bgp_info
*new_best
, *old_best
, *mpath
;
309 struct bgp_maxpaths_cfg mp_cfg
= { 3, 3 };
310 int test_result
= TEST_PASSED
;
311 bgp_mp_list_init (&mp_list
);
312 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[4]);
313 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[3]);
314 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[0]);
315 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[1]);
316 new_best
= &test_mp_list_info
[3];
318 bgp_info_mpath_update (&test_rn
, new_best
, old_best
, &mp_list
, &mp_cfg
);
319 bgp_mp_list_clear (&mp_list
);
320 EXPECT_TRUE (bgp_info_mpath_count (new_best
) == 2, test_result
);
321 mpath
= bgp_info_mpath_first (new_best
);
322 EXPECT_TRUE (mpath
== &test_mp_list_info
[0], test_result
);
323 EXPECT_TRUE (CHECK_FLAG (mpath
->flags
, BGP_INFO_MULTIPATH
), test_result
);
324 mpath
= bgp_info_mpath_next (mpath
);
325 EXPECT_TRUE (mpath
== &test_mp_list_info
[1], test_result
);
326 EXPECT_TRUE (CHECK_FLAG (mpath
->flags
, BGP_INFO_MULTIPATH
), test_result
);
328 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[0]);
329 bgp_mp_list_add (&mp_list
, &test_mp_list_info
[1]);
330 new_best
= &test_mp_list_info
[0];
331 old_best
= &test_mp_list_info
[3];
332 bgp_info_mpath_update (&test_rn
, new_best
, old_best
, &mp_list
, &mp_cfg
);
333 bgp_mp_list_clear (&mp_list
);
334 EXPECT_TRUE (bgp_info_mpath_count (new_best
) == 1, test_result
);
335 mpath
= bgp_info_mpath_first (new_best
);
336 EXPECT_TRUE (mpath
== &test_mp_list_info
[1], test_result
);
337 EXPECT_TRUE (CHECK_FLAG (mpath
->flags
, BGP_INFO_MULTIPATH
), test_result
);
338 EXPECT_TRUE (!CHECK_FLAG (test_mp_list_info
[0].flags
, BGP_INFO_MULTIPATH
),
345 cleanup_bgp_info_mpath_update (testcase_t
*t
)
349 for (i
= 0; i
< test_mp_list_peer_count
; i
++)
350 sockunion_free (test_mp_list_peer
[i
].su_remote
);
355 testcase_t test_bgp_info_mpath_update
= {
356 .desc
= "Test bgp_info_mpath_update",
357 .setup
= setup_bgp_info_mpath_update
,
358 .run
= run_bgp_info_mpath_update
,
359 .cleanup
= cleanup_bgp_info_mpath_update
,
362 /*=========================================================
363 * Set up testcase vector
365 testcase_t
*all_tests
[] = {
366 &test_bgp_cfg_maximum_paths
,
368 &test_bgp_info_mpath_update
,
371 int all_tests_count
= (sizeof(all_tests
)/sizeof(testcase_t
*));
373 /*=========================================================
374 * Test Driver Functions
377 global_test_init (void)
380 master
= thread_master_create ();
381 zclient
= zclient_new(master
);
384 bgp_option_set (BGP_OPT_NO_LISTEN
);
386 if (fileno (stdout
) >= 0)
387 tty
= isatty (fileno (stdout
));
392 global_test_cleanup (void)
395 zclient_free (zclient
);
396 thread_master_free (master
);
401 display_result (testcase_t
*test
, int result
)
404 printf ("%s: %s\n", test
->desc
, result
== TEST_PASSED
? OK
: FAILED
);
406 printf ("%s: %s\n", test
->desc
, result
== TEST_PASSED
? "OK" : "FAILED");
410 setup_test (testcase_t
*t
)
419 cleanup_test (testcase_t
*t
)
423 res
= t
->cleanup (t
);
428 run_tests (testcase_t
*tests
[], int num_tests
, int *pass_count
, int *fail_count
)
430 int test_index
, result
;
431 testcase_t
*cur_test
;
433 *pass_count
= *fail_count
= 0;
435 for (test_index
= 0; test_index
< num_tests
; test_index
++)
437 cur_test
= tests
[test_index
];
440 printf ("error: test %d has no description!\n", test_index
);
445 printf ("error: test %s has no run function!\n", cur_test
->desc
);
448 if (setup_test (cur_test
) != 0)
450 printf ("error: setup failed for test %s\n", cur_test
->desc
);
453 result
= cur_test
->run (cur_test
);
454 if (result
== TEST_PASSED
)
458 display_result (cur_test
, result
);
459 if (cleanup_test (cur_test
) != 0)
461 printf ("error: cleanup failed for test %s\n", cur_test
->desc
);
470 int pass_count
, fail_count
;
474 printf("BGP Multipath Tests Run at %s", ctime(&cur_time
));
475 if (global_test_init () != 0)
477 printf("Global init failed. Terminating.\n");
480 run_tests (all_tests
, all_tests_count
, &pass_count
, &fail_count
);
481 global_test_cleanup ();
482 printf("Total pass/fail: %d/%d\n", pass_count
, fail_count
);