source: vendor/3.5.2/source3/torture/locktest2.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 12.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 byte range lock tester - with local filesystem support
4 Copyright (C) Andrew Tridgell 1999
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21
22static fstring password;
23static fstring username;
24static int got_pass;
25static int numops = 1000;
26static bool showall;
27static bool analyze;
28static bool hide_unlock_fails;
29static bool use_oplocks;
30
31extern char *optarg;
32extern int optind;
33
34#define FILENAME "\\locktest.dat"
35#define LOCKRANGE 100
36#define LOCKBASE 0
37
38/*
39#define LOCKBASE (0x40000000 - 50)
40*/
41
42#define READ_PCT 50
43#define LOCK_PCT 25
44#define UNLOCK_PCT 65
45#define RANGE_MULTIPLE 1
46
47#define NSERVERS 2
48#define NCONNECTIONS 2
49#define NUMFSTYPES 2
50#define NFILES 2
51#define LOCK_TIMEOUT 0
52
53#define FSTYPE_SMB 0
54#define FSTYPE_NFS 1
55
56struct record {
57 char r1, r2;
58 char conn, f, fstype;
59 unsigned start, len;
60 char needed;
61};
62
63static struct record *recorded;
64
65static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
66{
67 char *path;
68
69 switch (fstype) {
70 case FSTYPE_SMB:
71 {
72 uint16_t fd;
73 if (!NT_STATUS_IS_OK(cli_open(c, fname, flags, DENY_NONE, &fd))) {
74 return -1;
75 }
76 return fd;
77 }
78
79 case FSTYPE_NFS:
80 if (asprintf(&path, "%s%s", nfs, fname) > 0) {
81 int ret;
82 string_replace(path,'\\', '/');
83 ret = open(path, flags, 0666);
84 SAFE_FREE(path);
85 return ret;
86 }
87 break;
88 }
89
90 return -1;
91}
92
93static bool try_close(struct cli_state *c, int fstype, int fd)
94{
95 switch (fstype) {
96 case FSTYPE_SMB:
97 return NT_STATUS_IS_OK(cli_close(c, fd));
98
99 case FSTYPE_NFS:
100 return close(fd) == 0;
101 }
102
103 return False;
104}
105
106static bool try_lock(struct cli_state *c, int fstype,
107 int fd, unsigned start, unsigned len,
108 enum brl_type op)
109{
110 struct flock lock;
111
112 switch (fstype) {
113 case FSTYPE_SMB:
114 return cli_lock(c, fd, start, len, LOCK_TIMEOUT, op);
115
116 case FSTYPE_NFS:
117 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
118 lock.l_whence = SEEK_SET;
119 lock.l_start = start;
120 lock.l_len = len;
121 lock.l_pid = getpid();
122 return fcntl(fd,F_SETLK,&lock) == 0;
123 }
124
125 return False;
126}
127
128static bool try_unlock(struct cli_state *c, int fstype,
129 int fd, unsigned start, unsigned len)
130{
131 struct flock lock;
132
133 switch (fstype) {
134 case FSTYPE_SMB:
135 return NT_STATUS_IS_OK(cli_unlock(c, fd, start, len));
136
137 case FSTYPE_NFS:
138 lock.l_type = F_UNLCK;
139 lock.l_whence = SEEK_SET;
140 lock.l_start = start;
141 lock.l_len = len;
142 lock.l_pid = getpid();
143 return fcntl(fd,F_SETLK,&lock) == 0;
144 }
145
146 return False;
147}
148
149static void print_brl(struct file_id id, struct server_id pid,
150 enum brl_type lock_type,
151 enum brl_flavour lock_flav,
152 br_off start, br_off size,
153 void *private_data)
154{
155 printf("%6d %s %s %.0f:%.0f(%.0f)\n",
156 (int)procid_to_pid(&pid), file_id_string_tos(&id),
157 lock_type==READ_LOCK?"R":"W",
158 (double)start, (double)start+size-1,(double)size);
159
160}
161
162/*****************************************************
163return a connection to a server
164*******************************************************/
165static struct cli_state *connect_one(char *share)
166{
167 struct cli_state *c;
168 char *server_n;
169 fstring server;
170 fstring myname;
171 static int count;
172 NTSTATUS nt_status;
173
174 fstrcpy(server,share+2);
175 share = strchr_m(server,'\\');
176 if (!share) return NULL;
177 *share = 0;
178 share++;
179
180 server_n = server;
181
182 if (!got_pass) {
183 char *pass = getpass("Password: ");
184 if (pass) {
185 fstrcpy(password, pass);
186 }
187 }
188
189 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
190
191 nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????",
192 username, lp_workgroup(), password, 0,
193 Undefined, NULL);
194
195 if (!NT_STATUS_IS_OK(nt_status)) {
196 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
197 return NULL;
198 }
199
200 c->use_oplocks = use_oplocks;
201
202 return c;
203}
204
205
206static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS],
207 char *nfs[NSERVERS],
208 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
209 char *share1, char *share2)
210{
211 int server, conn, f, fstype;
212 char *share[2];
213 share[0] = share1;
214 share[1] = share2;
215
216 fstype = FSTYPE_SMB;
217
218 for (server=0;server<NSERVERS;server++)
219 for (conn=0;conn<NCONNECTIONS;conn++) {
220 if (cli[server][conn]) {
221 for (f=0;f<NFILES;f++) {
222 cli_close(cli[server][conn], fnum[server][fstype][conn][f]);
223 }
224 cli_ulogoff(cli[server][conn]);
225 cli_shutdown(cli[server][conn]);
226 }
227 cli[server][conn] = connect_one(share[server]);
228 if (!cli[server][conn]) {
229 DEBUG(0,("Failed to connect to %s\n", share[server]));
230 exit(1);
231 }
232 }
233}
234
235
236
237static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
238 char *nfs[NSERVERS],
239 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
240 struct record *rec)
241{
242 unsigned conn = rec->conn;
243 unsigned f = rec->f;
244 unsigned fstype = rec->fstype;
245 unsigned start = rec->start;
246 unsigned len = rec->len;
247 unsigned r1 = rec->r1;
248 unsigned r2 = rec->r2;
249 enum brl_type op;
250 int server;
251 bool ret[NSERVERS];
252
253 if (r1 < READ_PCT) {
254 op = READ_LOCK;
255 } else {
256 op = WRITE_LOCK;
257 }
258
259 if (r2 < LOCK_PCT) {
260 /* set a lock */
261 for (server=0;server<NSERVERS;server++) {
262 ret[server] = try_lock(cli[server][conn], fstype,
263 fnum[server][fstype][conn][f],
264 start, len, op);
265 }
266 if (showall || ret[0] != ret[1]) {
267 printf("lock conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
268 conn, fstype, f,
269 start, start+len-1, len,
270 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
271 ret[0], ret[1]);
272 }
273 if (showall) brl_forall(print_brl, NULL);
274 if (ret[0] != ret[1]) return False;
275 } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
276 /* unset a lock */
277 for (server=0;server<NSERVERS;server++) {
278 ret[server] = try_unlock(cli[server][conn], fstype,
279 fnum[server][fstype][conn][f],
280 start, len);
281 }
282 if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
283 printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u) -> %u:%u\n",
284 conn, fstype, f,
285 start, start+len-1, len,
286 ret[0], ret[1]);
287 }
288 if (showall) brl_forall(print_brl, NULL);
289 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
290 } else {
291 /* reopen the file */
292 for (server=0;server<NSERVERS;server++) {
293 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
294 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
295 O_RDWR|O_CREAT);
296 if (fnum[server][fstype][conn][f] == -1) {
297 printf("failed to reopen on share1\n");
298 return False;
299 }
300 }
301 if (showall) {
302 printf("reopen conn=%u fstype=%u f=%u\n",
303 conn, fstype, f);
304 brl_forall(print_brl, NULL);
305 }
306 }
307 return True;
308}
309
310static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
311 char *nfs[NSERVERS],
312 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
313{
314 int server, conn, f, fstype;
315
316 for (server=0;server<NSERVERS;server++)
317 for (fstype=0;fstype<NUMFSTYPES;fstype++)
318 for (conn=0;conn<NCONNECTIONS;conn++)
319 for (f=0;f<NFILES;f++) {
320 if (fnum[server][fstype][conn][f] != -1) {
321 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
322 fnum[server][fstype][conn][f] = -1;
323 }
324 }
325 for (server=0;server<NSERVERS;server++) {
326 cli_unlink(cli[server][0], FILENAME, aSYSTEM | aHIDDEN);
327 }
328}
329
330static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
331 char *nfs[NSERVERS],
332 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
333{
334 int server, fstype, conn, f;
335
336 for (server=0;server<NSERVERS;server++)
337 for (fstype=0;fstype<NUMFSTYPES;fstype++)
338 for (conn=0;conn<NCONNECTIONS;conn++)
339 for (f=0;f<NFILES;f++) {
340 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
341 O_RDWR|O_CREAT);
342 if (fnum[server][fstype][conn][f] == -1) {
343 fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
344 server, fstype, conn, f);
345 exit(1);
346 }
347 }
348}
349
350
351static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
352 char *nfs[NSERVERS],
353 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
354 int n)
355{
356 int i;
357 printf("testing %u ...\n", n);
358 for (i=0; i<n; i++) {
359 if (i && i % 100 == 0) {
360 printf("%u\n", i);
361 }
362
363 if (recorded[i].needed &&
364 !test_one(cli, nfs, fnum, &recorded[i])) return i;
365 }
366 return n;
367}
368
369
370/* each server has two connections open to it. Each connection has two file
371 descriptors open on the file - 8 file descriptors in total
372
373 we then do random locking ops in tamdem on the 4 fnums from each
374 server and ensure that the results match
375 */
376static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
377{
378 struct cli_state *cli[NSERVERS][NCONNECTIONS];
379 char *nfs[NSERVERS];
380 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
381 int n, i, n1;
382
383 nfs[0] = nfspath1;
384 nfs[1] = nfspath2;
385
386 ZERO_STRUCT(fnum);
387 ZERO_STRUCT(cli);
388
389 recorded = SMB_MALLOC_ARRAY(struct record, numops);
390
391 for (n=0; n<numops; n++) {
392 recorded[n].conn = random() % NCONNECTIONS;
393 recorded[n].fstype = random() % NUMFSTYPES;
394 recorded[n].f = random() % NFILES;
395 recorded[n].start = LOCKBASE + ((unsigned)random() % (LOCKRANGE-1));
396 recorded[n].len = 1 +
397 random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
398 recorded[n].start *= RANGE_MULTIPLE;
399 recorded[n].len *= RANGE_MULTIPLE;
400 recorded[n].r1 = random() % 100;
401 recorded[n].r2 = random() % 100;
402 recorded[n].needed = True;
403 }
404
405 reconnect(cli, nfs, fnum, share1, share2);
406 open_files(cli, nfs, fnum);
407 n = retest(cli, nfs, fnum, numops);
408
409 if (n == numops || !analyze) return;
410 n++;
411
412 while (1) {
413 n1 = n;
414
415 close_files(cli, nfs, fnum);
416 reconnect(cli, nfs, fnum, share1, share2);
417 open_files(cli, nfs, fnum);
418
419 for (i=0;i<n-1;i++) {
420 int m;
421 recorded[i].needed = False;
422
423 close_files(cli, nfs, fnum);
424 open_files(cli, nfs, fnum);
425
426 m = retest(cli, nfs, fnum, n);
427 if (m == n) {
428 recorded[i].needed = True;
429 } else {
430 if (i < m) {
431 memmove(&recorded[i], &recorded[i+1],
432 (m-i)*sizeof(recorded[0]));
433 }
434 n = m;
435 i--;
436 }
437 }
438
439 if (n1 == n) break;
440 }
441
442 close_files(cli, nfs, fnum);
443 reconnect(cli, nfs, fnum, share1, share2);
444 open_files(cli, nfs, fnum);
445 showall = True;
446 n1 = retest(cli, nfs, fnum, n);
447 if (n1 != n-1) {
448 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
449 }
450 close_files(cli, nfs, fnum);
451
452 for (i=0;i<n;i++) {
453 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
454 recorded[i].r1,
455 recorded[i].r2,
456 recorded[i].conn,
457 recorded[i].fstype,
458 recorded[i].f,
459 recorded[i].start,
460 recorded[i].len,
461 recorded[i].needed);
462 }
463}
464
465
466
467static void usage(void)
468{
469 printf(
470"Usage:\n\
471 locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
472 options:\n\
473 -U user%%pass\n\
474 -s seed\n\
475 -o numops\n\
476 -u hide unlock fails\n\
477 -a (show all ops)\n\
478 -O use oplocks\n\
479");
480}
481
482/****************************************************************************
483 main program
484****************************************************************************/
485 int main(int argc,char *argv[])
486{
487 char *share1, *share2, *nfspath1, *nfspath2;
488 int opt;
489 char *p;
490 int seed;
491
492 setlinebuf(stdout);
493
494 dbf = x_stderr;
495
496 if (argc < 5 || argv[1][0] == '-') {
497 usage();
498 exit(1);
499 }
500
501 share1 = argv[1];
502 share2 = argv[2];
503 nfspath1 = argv[3];
504 nfspath2 = argv[4];
505
506 all_string_sub(share1,"/","\\",0);
507 all_string_sub(share2,"/","\\",0);
508
509 setup_logging(argv[0],True);
510
511 argc -= 4;
512 argv += 4;
513
514 lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
515 load_interfaces();
516
517 if (getenv("USER")) {
518 fstrcpy(username,getenv("USER"));
519 }
520
521 seed = time(NULL);
522
523 while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
524 switch (opt) {
525 case 'U':
526 fstrcpy(username,optarg);
527 p = strchr_m(username,'%');
528 if (p) {
529 *p = 0;
530 fstrcpy(password, p+1);
531 got_pass = 1;
532 }
533 break;
534 case 's':
535 seed = atoi(optarg);
536 break;
537 case 'u':
538 hide_unlock_fails = True;
539 break;
540 case 'o':
541 numops = atoi(optarg);
542 break;
543 case 'O':
544 use_oplocks = True;
545 break;
546 case 'a':
547 showall = True;
548 break;
549 case 'A':
550 analyze = True;
551 break;
552 case 'h':
553 usage();
554 exit(1);
555 default:
556 printf("Unknown option %c (%d)\n", (char)opt, opt);
557 exit(1);
558 }
559 }
560
561 argc -= optind;
562 argv += optind;
563
564 DEBUG(0,("seed=%u\n", seed));
565 srandom(seed);
566
567 locking_init_readonly();
568 test_locks(share1, share2, nfspath1, nfspath2);
569
570 return(0);
571}
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