s3:torture:delete: untangle function call from result check
[kai/samba.git] / source3 / torture / locktest2.c
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 #include "libsmb/libsmb.h"
22 #include "system/filesys.h"
23 #include "locking/proto.h"
24
25 static fstring password;
26 static fstring username;
27 static int got_pass;
28 static int numops = 1000;
29 static bool showall;
30 static bool analyze;
31 static bool hide_unlock_fails;
32 static bool use_oplocks;
33
34 extern char *optarg;
35 extern int optind;
36
37 #define FILENAME "\\locktest.dat"
38 #define LOCKRANGE 100
39 #define LOCKBASE 0
40
41 /*
42 #define LOCKBASE (0x40000000 - 50)
43 */
44
45 #define READ_PCT 50
46 #define LOCK_PCT 25
47 #define UNLOCK_PCT 65
48 #define RANGE_MULTIPLE 1
49
50 #define NSERVERS 2
51 #define NCONNECTIONS 2
52 #define NUMFSTYPES 2
53 #define NFILES 2
54 #define LOCK_TIMEOUT 0
55
56 #define FSTYPE_SMB 0
57 #define FSTYPE_NFS 1
58
59 struct record {
60         char r1, r2;
61         char conn, f, fstype;
62         unsigned start, len;
63         char needed;
64 };
65
66 static struct record *recorded;
67
68 static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
69 {
70         char *path;
71
72         switch (fstype) {
73         case FSTYPE_SMB:
74                 {
75                         uint16_t fd;
76                         if (!NT_STATUS_IS_OK(cli_openx(c, fname, flags, DENY_NONE, &fd))) {
77                                 return -1;
78                         }
79                         return fd;
80                 }
81
82         case FSTYPE_NFS:
83                 if (asprintf(&path, "%s%s", nfs, fname) > 0) {
84                         int ret;
85                         string_replace(path,'\\', '/');
86                         ret = open(path, flags, 0666);
87                         SAFE_FREE(path);
88                         return ret;
89                 }
90                 break;
91         }
92
93         return -1;
94 }
95
96 static bool try_close(struct cli_state *c, int fstype, int fd)
97 {
98         switch (fstype) {
99         case FSTYPE_SMB:
100                 return NT_STATUS_IS_OK(cli_close(c, fd));
101
102         case FSTYPE_NFS:
103                 return close(fd) == 0;
104         }
105
106         return False;
107 }
108
109 static bool try_lock(struct cli_state *c, int fstype, 
110                      int fd, unsigned start, unsigned len,
111                      enum brl_type op)
112 {
113         struct flock lock;
114
115         switch (fstype) {
116         case FSTYPE_SMB:
117                 return NT_STATUS_IS_OK(cli_lock32(c, fd, start, len,
118                                        LOCK_TIMEOUT, op));
119
120         case FSTYPE_NFS:
121                 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
122                 lock.l_whence = SEEK_SET;
123                 lock.l_start = start;
124                 lock.l_len = len;
125                 lock.l_pid = getpid();
126                 return fcntl(fd,F_SETLK,&lock) == 0;
127         }
128
129         return False;
130 }
131
132 static bool try_unlock(struct cli_state *c, int fstype, 
133                        int fd, unsigned start, unsigned len)
134 {
135         struct flock lock;
136
137         switch (fstype) {
138         case FSTYPE_SMB:
139                 return NT_STATUS_IS_OK(cli_unlock(c, fd, start, len));
140
141         case FSTYPE_NFS:
142                 lock.l_type = F_UNLCK;
143                 lock.l_whence = SEEK_SET;
144                 lock.l_start = start;
145                 lock.l_len = len;
146                 lock.l_pid = getpid();
147                 return fcntl(fd,F_SETLK,&lock) == 0;
148         }
149
150         return False;
151 }       
152
153 static void print_brl(struct file_id id, struct server_id pid, 
154                       enum brl_type lock_type,
155                       enum brl_flavour lock_flav,
156                       br_off start, br_off size,
157                       void *private_data)
158 {
159         printf("%6d   %s    %s  %.0f:%.0f(%.0f)\n", 
160                (int)procid_to_pid(&pid), file_id_string_tos(&id),
161                lock_type==READ_LOCK?"R":"W",
162                (double)start, (double)start+size-1,(double)size);
163
164 }
165
166 /***************************************************** 
167 return a connection to a server
168 *******************************************************/
169 static struct cli_state *connect_one(char *share)
170 {
171         struct cli_state *c;
172         char *server_n;
173         fstring server;
174         fstring myname;
175         static int count;
176         NTSTATUS nt_status;
177
178         fstrcpy(server,share+2);
179         share = strchr_m(server,'\\');
180         if (!share) return NULL;
181         *share = 0;
182         share++;
183
184         server_n = server;
185         
186         if (!got_pass) {
187                 char *pass = getpass("Password: ");
188                 if (pass) {
189                         fstrcpy(password, pass);
190                 }
191         }
192
193         slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
194
195         nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????", 
196                                         username, lp_workgroup(), password, 0,
197                                         SMB_SIGNING_DEFAULT);
198
199         if (!NT_STATUS_IS_OK(nt_status)) {
200                 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
201                 return NULL;
202         }
203
204         c->use_oplocks = use_oplocks;
205
206         return c;
207 }
208
209
210 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
211                       char *nfs[NSERVERS], 
212                       int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
213                       char *share1, char *share2)
214 {
215         int server, conn, f, fstype;
216         char *share[2];
217         share[0] = share1;
218         share[1] = share2;
219
220         fstype = FSTYPE_SMB;
221
222         for (server=0;server<NSERVERS;server++)
223         for (conn=0;conn<NCONNECTIONS;conn++) {
224                 if (cli[server][conn]) {
225                         for (f=0;f<NFILES;f++) {
226                                 cli_close(cli[server][conn], fnum[server][fstype][conn][f]);
227                         }
228                         cli_ulogoff(cli[server][conn]);
229                         cli_shutdown(cli[server][conn]);
230                 }
231                 cli[server][conn] = connect_one(share[server]);
232                 if (!cli[server][conn]) {
233                         DEBUG(0,("Failed to connect to %s\n", share[server]));
234                         exit(1);
235                 }
236         }
237 }
238
239
240
241 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
242                      char *nfs[NSERVERS],
243                      int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
244                      struct record *rec)
245 {
246         unsigned conn = rec->conn;
247         unsigned f = rec->f;
248         unsigned fstype = rec->fstype;
249         unsigned start = rec->start;
250         unsigned len = rec->len;
251         unsigned r1 = rec->r1;
252         unsigned r2 = rec->r2;
253         enum brl_type op;
254         int server;
255         bool ret[NSERVERS];
256
257         if (r1 < READ_PCT) {
258                 op = READ_LOCK; 
259         } else {
260                 op = WRITE_LOCK; 
261         }
262
263         if (r2 < LOCK_PCT) {
264                 /* set a lock */
265                 for (server=0;server<NSERVERS;server++) {
266                         ret[server] = try_lock(cli[server][conn], fstype,
267                                                fnum[server][fstype][conn][f],
268                                                start, len, op);
269                 }
270                 if (showall || ret[0] != ret[1]) {
271                         printf("lock   conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
272                                conn, fstype, f, 
273                                start, start+len-1, len,
274                                op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
275                                ret[0], ret[1]);
276                 }
277                 if (showall) brl_forall(print_brl, NULL);
278                 if (ret[0] != ret[1]) return False;
279         } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
280                 /* unset a lock */
281                 for (server=0;server<NSERVERS;server++) {
282                         ret[server] = try_unlock(cli[server][conn], fstype,
283                                                  fnum[server][fstype][conn][f],
284                                                  start, len);
285                 }
286                 if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
287                         printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u)       -> %u:%u\n",
288                                conn, fstype, f, 
289                                start, start+len-1, len,
290                                ret[0], ret[1]);
291                 }
292                 if (showall) brl_forall(print_brl, NULL);
293                 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
294         } else {
295                 /* reopen the file */
296                 for (server=0;server<NSERVERS;server++) {
297                         try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
298                         fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
299                                                                  O_RDWR|O_CREAT);
300                         if (fnum[server][fstype][conn][f] == -1) {
301                                 printf("failed to reopen on share1\n");
302                                 return False;
303                         }
304                 }
305                 if (showall) {
306                         printf("reopen conn=%u fstype=%u f=%u\n",
307                                conn, fstype, f);
308                         brl_forall(print_brl, NULL);
309                 }
310         }
311         return True;
312 }
313
314 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
315                         char *nfs[NSERVERS],
316                         int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
317 {
318         int server, conn, f, fstype; 
319
320         for (server=0;server<NSERVERS;server++)
321         for (fstype=0;fstype<NUMFSTYPES;fstype++)
322         for (conn=0;conn<NCONNECTIONS;conn++)
323         for (f=0;f<NFILES;f++) {
324                 if (fnum[server][fstype][conn][f] != -1) {
325                         try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
326                         fnum[server][fstype][conn][f] = -1;
327                 }
328         }
329         for (server=0;server<NSERVERS;server++) {
330                 cli_unlink(cli[server][0], FILENAME, FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
331         }
332 }
333
334 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
335                        char *nfs[NSERVERS],
336                        int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
337 {
338         int server, fstype, conn, f; 
339
340         for (server=0;server<NSERVERS;server++)
341         for (fstype=0;fstype<NUMFSTYPES;fstype++)
342         for (conn=0;conn<NCONNECTIONS;conn++)
343         for (f=0;f<NFILES;f++) {
344                 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
345                                                          O_RDWR|O_CREAT);
346                 if (fnum[server][fstype][conn][f] == -1) {
347                         fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
348                                 server, fstype, conn, f);
349                         exit(1);
350                 }
351         }
352 }
353
354
355 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS], 
356                   char *nfs[NSERVERS],
357                   int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
358                   int n)
359 {
360         int i;
361         printf("testing %u ...\n", n);
362         for (i=0; i<n; i++) {
363                 if (i && i % 100 == 0) {
364                         printf("%u\n", i);
365                 }
366
367                 if (recorded[i].needed &&
368                     !test_one(cli, nfs, fnum, &recorded[i])) return i;
369         }
370         return n;
371 }
372
373
374 /* each server has two connections open to it. Each connection has two file
375    descriptors open on the file - 8 file descriptors in total 
376
377    we then do random locking ops in tamdem on the 4 fnums from each
378    server and ensure that the results match
379  */
380 static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
381 {
382         struct cli_state *cli[NSERVERS][NCONNECTIONS];
383         char *nfs[NSERVERS];
384         int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
385         int n, i, n1; 
386
387         nfs[0] = nfspath1;
388         nfs[1] = nfspath2;
389
390         ZERO_STRUCT(fnum);
391         ZERO_STRUCT(cli);
392
393         recorded = SMB_MALLOC_ARRAY(struct record, numops);
394
395         for (n=0; n<numops; n++) {
396                 recorded[n].conn = random() % NCONNECTIONS;
397                 recorded[n].fstype = random() % NUMFSTYPES;
398                 recorded[n].f = random() % NFILES;
399                 recorded[n].start = LOCKBASE + ((unsigned)random() % (LOCKRANGE-1));
400                 recorded[n].len = 1 + 
401                         random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
402                 recorded[n].start *= RANGE_MULTIPLE;
403                 recorded[n].len *= RANGE_MULTIPLE;
404                 recorded[n].r1 = random() % 100;
405                 recorded[n].r2 = random() % 100;
406                 recorded[n].needed = True;
407         }
408
409         reconnect(cli, nfs, fnum, share1, share2);
410         open_files(cli, nfs, fnum);
411         n = retest(cli, nfs, fnum, numops);
412
413         if (n == numops || !analyze) return;
414         n++;
415
416         while (1) {
417                 n1 = n;
418
419                 close_files(cli, nfs, fnum);
420                 reconnect(cli, nfs, fnum, share1, share2);
421                 open_files(cli, nfs, fnum);
422
423                 for (i=0;i<n-1;i++) {
424                         int m;
425                         recorded[i].needed = False;
426
427                         close_files(cli, nfs, fnum);
428                         open_files(cli, nfs, fnum);
429
430                         m = retest(cli, nfs, fnum, n);
431                         if (m == n) {
432                                 recorded[i].needed = True;
433                         } else {
434                                 if (i < m) {
435                                         memmove(&recorded[i], &recorded[i+1],
436                                                 (m-i)*sizeof(recorded[0]));
437                                 }
438                                 n = m;
439                                 i--;
440                         }
441                 }
442
443                 if (n1 == n) break;
444         }
445
446         close_files(cli, nfs, fnum);
447         reconnect(cli, nfs, fnum, share1, share2);
448         open_files(cli, nfs, fnum);
449         showall = True;
450         n1 = retest(cli, nfs, fnum, n);
451         if (n1 != n-1) {
452                 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
453         }
454         close_files(cli, nfs, fnum);
455
456         for (i=0;i<n;i++) {
457                 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
458                        recorded[i].r1,
459                        recorded[i].r2,
460                        recorded[i].conn,
461                        recorded[i].fstype,
462                        recorded[i].f,
463                        recorded[i].start,
464                        recorded[i].len,
465                        recorded[i].needed);
466         }       
467 }
468
469
470
471 static void usage(void)
472 {
473         printf(
474 "Usage:\n\
475   locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
476   options:\n\
477         -U user%%pass\n\
478         -s seed\n\
479         -o numops\n\
480         -u          hide unlock fails\n\
481         -a          (show all ops)\n\
482         -O          use oplocks\n\
483 ");
484 }
485
486 /****************************************************************************
487   main program
488 ****************************************************************************/
489  int main(int argc,char *argv[])
490 {
491         char *share1, *share2, *nfspath1, *nfspath2;
492         int opt;
493         char *p;
494         int seed;
495
496         setlinebuf(stdout);
497
498         if (argc < 5 || argv[1][0] == '-') {
499                 usage();
500                 exit(1);
501         }
502
503         setup_logging(argv[0], DEBUG_STDOUT);
504
505         share1 = argv[1];
506         share2 = argv[2];
507         nfspath1 = argv[3];
508         nfspath2 = argv[4];
509
510         all_string_sub(share1,"/","\\",0);
511         all_string_sub(share2,"/","\\",0);
512
513         argc -= 4;
514         argv += 4;
515
516         lp_load_global(get_dyn_CONFIGFILE());
517         load_interfaces();
518
519         if (getenv("USER")) {
520                 fstrcpy(username,getenv("USER"));
521         }
522
523         seed = time(NULL);
524
525         while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
526                 switch (opt) {
527                 case 'U':
528                         fstrcpy(username,optarg);
529                         p = strchr_m(username,'%');
530                         if (p) {
531                                 *p = 0;
532                                 fstrcpy(password, p+1);
533                                 got_pass = 1;
534                         }
535                         break;
536                 case 's':
537                         seed = atoi(optarg);
538                         break;
539                 case 'u':
540                         hide_unlock_fails = True;
541                         break;
542                 case 'o':
543                         numops = atoi(optarg);
544                         break;
545                 case 'O':
546                         use_oplocks = True;
547                         break;
548                 case 'a':
549                         showall = True;
550                         break;
551                 case 'A':
552                         analyze = True;
553                         break;
554                 case 'h':
555                         usage();
556                         exit(1);
557                 default:
558                         printf("Unknown option %c (%d)\n", (char)opt, opt);
559                         exit(1);
560                 }
561         }
562
563         argc -= optind;
564         argv += optind;
565
566         DEBUG(0,("seed=%u\n", seed));
567         srandom(seed);
568
569         locking_init_readonly();
570         test_locks(share1, share2, nfspath1, nfspath2);
571
572         return(0);
573 }