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11#include "qemu/osdep.h"
12
13#include "qapi/error.h"
14#include "qapi/qmp/qdict.h"
15#include "qemu/option.h"
16#include "qemu/main-loop.h"
17#include "block/replication.h"
18#include "block/block_int.h"
19#include "block/qdict.h"
20#include "sysemu/block-backend.h"
21
22#define IMG_SIZE (64 * 1024 * 1024)
23
24
25#define P_ID "primary-id"
26static char *p_local_disk;
27
28
29#define S_ID "secondary-id"
30#define S_LOCAL_DISK_ID "secondary-local-disk-id"
31static char *s_local_disk;
32static char *s_active_disk;
33static char *s_hidden_disk;
34
35
36QemuOptsList qemu_drive_opts = {
37 .name = "drive",
38 .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
39 .desc = {
40 { }
41 },
42};
43
44#define NOT_DONE 0x7fffffff
45
46static void blk_rw_done(void *opaque, int ret)
47{
48 *(int *)opaque = ret;
49}
50
51static void test_blk_read(BlockBackend *blk, long pattern,
52 int64_t pattern_offset, int64_t pattern_count,
53 int64_t offset, int64_t count,
54 bool expect_failed)
55{
56 void *pattern_buf = NULL;
57 QEMUIOVector qiov;
58 void *cmp_buf = NULL;
59 int async_ret = NOT_DONE;
60
61 if (pattern) {
62 cmp_buf = g_malloc(pattern_count);
63 memset(cmp_buf, pattern, pattern_count);
64 }
65
66 pattern_buf = g_malloc(count);
67 if (pattern) {
68 memset(pattern_buf, pattern, count);
69 } else {
70 memset(pattern_buf, 0x00, count);
71 }
72
73 qemu_iovec_init(&qiov, 1);
74 qemu_iovec_add(&qiov, pattern_buf, count);
75
76 blk_aio_preadv(blk, offset, &qiov, 0, blk_rw_done, &async_ret);
77 while (async_ret == NOT_DONE) {
78 main_loop_wait(false);
79 }
80
81 if (expect_failed) {
82 g_assert(async_ret != 0);
83 } else {
84 g_assert(async_ret == 0);
85 if (pattern) {
86 g_assert(memcmp(pattern_buf + pattern_offset,
87 cmp_buf, pattern_count) <= 0);
88 }
89 }
90
91 g_free(pattern_buf);
92 g_free(cmp_buf);
93 qemu_iovec_destroy(&qiov);
94}
95
96static void test_blk_write(BlockBackend *blk, long pattern, int64_t offset,
97 int64_t count, bool expect_failed)
98{
99 void *pattern_buf = NULL;
100 QEMUIOVector qiov;
101 int async_ret = NOT_DONE;
102
103 pattern_buf = g_malloc(count);
104 if (pattern) {
105 memset(pattern_buf, pattern, count);
106 } else {
107 memset(pattern_buf, 0x00, count);
108 }
109
110 qemu_iovec_init(&qiov, 1);
111 qemu_iovec_add(&qiov, pattern_buf, count);
112
113 blk_aio_pwritev(blk, offset, &qiov, 0, blk_rw_done, &async_ret);
114 while (async_ret == NOT_DONE) {
115 main_loop_wait(false);
116 }
117
118 if (expect_failed) {
119 g_assert(async_ret != 0);
120 } else {
121 g_assert(async_ret == 0);
122 }
123
124 g_free(pattern_buf);
125 qemu_iovec_destroy(&qiov);
126}
127
128
129
130
131static void make_temp(char *template)
132{
133 int fd;
134
135 fd = mkstemp(template);
136 g_assert(fd >= 0);
137 close(fd);
138}
139
140static void prepare_imgs(void)
141{
142 make_temp(p_local_disk);
143 make_temp(s_local_disk);
144 make_temp(s_active_disk);
145 make_temp(s_hidden_disk);
146
147
148 bdrv_img_create(p_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
149 BDRV_O_RDWR, true, &error_abort);
150
151
152 bdrv_img_create(s_local_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
153 BDRV_O_RDWR, true, &error_abort);
154 bdrv_img_create(s_active_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
155 BDRV_O_RDWR, true, &error_abort);
156 bdrv_img_create(s_hidden_disk, "qcow2", NULL, NULL, NULL, IMG_SIZE,
157 BDRV_O_RDWR, true, &error_abort);
158}
159
160static void cleanup_imgs(void)
161{
162
163 unlink(p_local_disk);
164
165
166 unlink(s_local_disk);
167 unlink(s_active_disk);
168 unlink(s_hidden_disk);
169}
170
171static BlockBackend *start_primary(void)
172{
173 BlockBackend *blk;
174 QemuOpts *opts;
175 QDict *qdict;
176 char *cmdline;
177
178 cmdline = g_strdup_printf("driver=replication,mode=primary,node-name=xxx,"
179 "file.driver=qcow2,file.file.filename=%s,"
180 "file.file.locking=off"
181 , p_local_disk);
182 opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
183 g_free(cmdline);
184
185 qdict = qemu_opts_to_qdict(opts, NULL);
186 qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
187 qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
188
189 blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
190 g_assert(blk);
191
192 monitor_add_blk(blk, P_ID, &error_abort);
193
194 qemu_opts_del(opts);
195
196 return blk;
197}
198
199static void teardown_primary(void)
200{
201 BlockBackend *blk;
202 AioContext *ctx;
203
204
205 blk = blk_by_name(P_ID);
206 assert(blk);
207
208 ctx = blk_get_aio_context(blk);
209 aio_context_acquire(ctx);
210 monitor_remove_blk(blk);
211 blk_unref(blk);
212 aio_context_release(ctx);
213}
214
215static void test_primary_read(void)
216{
217 BlockBackend *blk;
218
219 blk = start_primary();
220
221
222 test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
223
224 teardown_primary();
225}
226
227static void test_primary_write(void)
228{
229 BlockBackend *blk;
230
231 blk = start_primary();
232
233
234 test_blk_write(blk, 0, 0, IMG_SIZE, true);
235
236 teardown_primary();
237}
238
239static void test_primary_start(void)
240{
241 BlockBackend *blk = NULL;
242
243 blk = start_primary();
244
245 replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
246
247
248 test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
249
250
251 test_blk_write(blk, 0x22, 0, IMG_SIZE, false);
252
253 teardown_primary();
254}
255
256static void test_primary_stop(void)
257{
258 bool failover = true;
259
260 start_primary();
261
262 replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
263
264 replication_stop_all(failover, &error_abort);
265
266 teardown_primary();
267}
268
269static void test_primary_do_checkpoint(void)
270{
271 start_primary();
272
273 replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
274
275 replication_do_checkpoint_all(&error_abort);
276
277 teardown_primary();
278}
279
280static void test_primary_get_error_all(void)
281{
282 start_primary();
283
284 replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
285
286 replication_get_error_all(&error_abort);
287
288 teardown_primary();
289}
290
291static BlockBackend *start_secondary(void)
292{
293 QemuOpts *opts;
294 QDict *qdict;
295 BlockBackend *blk;
296 char *cmdline;
297
298
299 cmdline = g_strdup_printf("file.filename=%s,driver=qcow2,"
300 "file.locking=off",
301 s_local_disk);
302 opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
303 g_free(cmdline);
304
305 qdict = qemu_opts_to_qdict(opts, NULL);
306 qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
307 qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
308
309 blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
310 assert(blk);
311 monitor_add_blk(blk, S_LOCAL_DISK_ID, &error_abort);
312
313
314 test_blk_write(blk, 0x11, 0, IMG_SIZE, false);
315
316 qemu_opts_del(opts);
317
318
319 cmdline = g_strdup_printf("driver=replication,mode=secondary,top-id=%s,"
320 "file.driver=qcow2,file.file.filename=%s,"
321 "file.file.locking=off,"
322 "file.backing.driver=qcow2,"
323 "file.backing.file.filename=%s,"
324 "file.backing.file.locking=off,"
325 "file.backing.backing=%s"
326 , S_ID, s_active_disk, s_hidden_disk
327 , S_LOCAL_DISK_ID);
328 opts = qemu_opts_parse_noisily(&qemu_drive_opts, cmdline, false);
329 g_free(cmdline);
330
331 qdict = qemu_opts_to_qdict(opts, NULL);
332 qdict_set_default_str(qdict, BDRV_OPT_CACHE_DIRECT, "off");
333 qdict_set_default_str(qdict, BDRV_OPT_CACHE_NO_FLUSH, "off");
334
335 blk = blk_new_open(NULL, NULL, qdict, BDRV_O_RDWR, &error_abort);
336 assert(blk);
337 monitor_add_blk(blk, S_ID, &error_abort);
338
339 qemu_opts_del(opts);
340
341 return blk;
342}
343
344static void teardown_secondary(void)
345{
346
347 BlockBackend *blk;
348 AioContext *ctx;
349
350
351 blk = blk_by_name(S_LOCAL_DISK_ID);
352 assert(blk);
353
354 ctx = blk_get_aio_context(blk);
355 aio_context_acquire(ctx);
356 monitor_remove_blk(blk);
357 blk_unref(blk);
358 aio_context_release(ctx);
359
360
361 blk = blk_by_name(S_ID);
362 assert(blk);
363
364 ctx = blk_get_aio_context(blk);
365 aio_context_acquire(ctx);
366 monitor_remove_blk(blk);
367 blk_unref(blk);
368 aio_context_release(ctx);
369}
370
371static void test_secondary_read(void)
372{
373 BlockBackend *blk;
374
375 blk = start_secondary();
376
377
378 test_blk_read(blk, 0, 0, IMG_SIZE, 0, IMG_SIZE, true);
379
380 teardown_secondary();
381}
382
383static void test_secondary_write(void)
384{
385 BlockBackend *blk;
386
387 blk = start_secondary();
388
389
390 test_blk_write(blk, 0, 0, IMG_SIZE, true);
391
392 teardown_secondary();
393}
394
395#ifndef _WIN32
396static void test_secondary_start(void)
397{
398 BlockBackend *top_blk, *local_blk;
399 bool failover = true;
400
401 top_blk = start_secondary();
402 replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
403
404
405 test_blk_read(top_blk, 0x11, 0, IMG_SIZE, 0, IMG_SIZE, false);
406
407
408 local_blk = blk_by_name(S_LOCAL_DISK_ID);
409 test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
410
411
412 test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
413 IMG_SIZE / 2, 0, IMG_SIZE, false);
414
415
416 test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
417
418
419 test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
420 0, IMG_SIZE / 2, false);
421
422
423 replication_stop_all(failover, &error_abort);
424
425 teardown_secondary();
426}
427
428
429static void test_secondary_stop(void)
430{
431 BlockBackend *top_blk, *local_blk;
432 bool failover = true;
433
434 top_blk = start_secondary();
435 replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
436
437
438 local_blk = blk_by_name(S_LOCAL_DISK_ID);
439 test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
440
441
442 test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
443 IMG_SIZE / 2, 0, IMG_SIZE, false);
444
445
446 test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
447
448
449 replication_stop_all(failover, &error_abort);
450
451
452 test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
453 0, IMG_SIZE / 2, false);
454
455
456
457 test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
458 IMG_SIZE / 2, 0, IMG_SIZE, false);
459
460 teardown_secondary();
461}
462
463static void test_secondary_continuous_replication(void)
464{
465 BlockBackend *top_blk, *local_blk;
466
467 top_blk = start_secondary();
468 replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
469
470
471 local_blk = blk_by_name(S_LOCAL_DISK_ID);
472 test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
473
474
475 test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
476 IMG_SIZE / 2, 0, IMG_SIZE, false);
477
478
479 test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
480
481
482 replication_stop_all(true, &error_abort);
483
484
485
486
487 replication_start_all(REPLICATION_MODE_PRIMARY, &error_abort);
488
489
490 replication_do_checkpoint_all(&error_abort);
491
492
493 replication_stop_all(true, &error_abort);
494
495
496 test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
497 0, IMG_SIZE / 2, false);
498
499
500
501 test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
502 IMG_SIZE / 2, 0, IMG_SIZE, false);
503
504 teardown_secondary();
505}
506
507static void test_secondary_do_checkpoint(void)
508{
509 BlockBackend *top_blk, *local_blk;
510 bool failover = true;
511
512 top_blk = start_secondary();
513 replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
514
515
516 local_blk = blk_by_name(S_LOCAL_DISK_ID);
517 test_blk_write(local_blk, 0x22, IMG_SIZE / 2,
518 IMG_SIZE / 2, false);
519
520
521 test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
522 IMG_SIZE / 2, 0, IMG_SIZE, false);
523
524 replication_do_checkpoint_all(&error_abort);
525
526
527 test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
528 IMG_SIZE / 2, 0, IMG_SIZE, false);
529
530
531 replication_stop_all(failover, &error_abort);
532
533 teardown_secondary();
534}
535
536static void test_secondary_get_error_all(void)
537{
538 bool failover = true;
539
540 start_secondary();
541 replication_start_all(REPLICATION_MODE_SECONDARY, &error_abort);
542
543 replication_get_error_all(&error_abort);
544
545
546 replication_stop_all(failover, &error_abort);
547
548 teardown_secondary();
549}
550#endif
551
552static void sigabrt_handler(int signo)
553{
554 cleanup_imgs();
555}
556
557static void setup_sigabrt_handler(void)
558{
559#ifdef _WIN32
560 signal(SIGABRT, sigabrt_handler);
561#else
562 struct sigaction sigact;
563
564 sigact = (struct sigaction) {
565 .sa_handler = sigabrt_handler,
566 .sa_flags = SA_RESETHAND,
567 };
568 sigemptyset(&sigact.sa_mask);
569 sigaction(SIGABRT, &sigact, NULL);
570#endif
571}
572
573int main(int argc, char **argv)
574{
575 int ret;
576 const char *tmpdir = g_get_tmp_dir();
577 p_local_disk = g_strdup_printf("%s/p_local_disk.XXXXXX", tmpdir);
578 s_local_disk = g_strdup_printf("%s/s_local_disk.XXXXXX", tmpdir);
579 s_active_disk = g_strdup_printf("%s/s_active_disk.XXXXXX", tmpdir);
580 s_hidden_disk = g_strdup_printf("%s/s_hidden_disk.XXXXXX", tmpdir);
581 qemu_init_main_loop(&error_fatal);
582 bdrv_init();
583
584 g_test_init(&argc, &argv, NULL);
585 setup_sigabrt_handler();
586
587 prepare_imgs();
588
589
590 g_test_add_func("/replication/primary/read", test_primary_read);
591 g_test_add_func("/replication/primary/write", test_primary_write);
592 g_test_add_func("/replication/primary/start", test_primary_start);
593 g_test_add_func("/replication/primary/stop", test_primary_stop);
594 g_test_add_func("/replication/primary/do_checkpoint",
595 test_primary_do_checkpoint);
596 g_test_add_func("/replication/primary/get_error_all",
597 test_primary_get_error_all);
598
599
600 g_test_add_func("/replication/secondary/read", test_secondary_read);
601 g_test_add_func("/replication/secondary/write", test_secondary_write);
602#ifndef _WIN32
603 g_test_add_func("/replication/secondary/start", test_secondary_start);
604 g_test_add_func("/replication/secondary/stop", test_secondary_stop);
605 g_test_add_func("/replication/secondary/continuous_replication",
606 test_secondary_continuous_replication);
607 g_test_add_func("/replication/secondary/do_checkpoint",
608 test_secondary_do_checkpoint);
609 g_test_add_func("/replication/secondary/get_error_all",
610 test_secondary_get_error_all);
611#endif
612
613 ret = g_test_run();
614
615 cleanup_imgs();
616
617 g_free(p_local_disk);
618 g_free(s_local_disk);
619 g_free(s_active_disk);
620 g_free(s_hidden_disk);
621
622 return ret;
623}
624
