2 Unix SMB/CIFS implementation.
3 byte range lock tester - with local filesystem support
4 Copyright (C) Andrew Tridgell 1999
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.
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.
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/>.
22 static fstring password;
23 static fstring username;
25 static int numops = 1000;
28 static bool hide_unlock_fails;
29 static bool use_oplocks;
34 #define FILENAME "\\locktest.dat"
39 #define LOCKBASE (0x40000000 - 50)
45 #define RANGE_MULTIPLE 1
48 #define NCONNECTIONS 2
51 #define LOCK_TIMEOUT 0
63 static struct record *recorded;
65 static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
73 if (!NT_STATUS_IS_OK(cli_open(c, fname, flags, DENY_NONE, &fd))) {
80 if (asprintf(&path, "%s%s", nfs, fname) > 0) {
82 string_replace(path,'\\', '/');
83 ret = open(path, flags, 0666);
93 static bool try_close(struct cli_state *c, int fstype, int fd)
97 return cli_close(c, fd);
100 return close(fd) == 0;
106 static bool try_lock(struct cli_state *c, int fstype,
107 int fd, unsigned start, unsigned len,
114 return cli_lock(c, fd, start, len, LOCK_TIMEOUT, op);
117 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
118 lock.l_whence = SEEK_SET;
119 lock.l_start = start;
121 lock.l_pid = getpid();
122 return fcntl(fd,F_SETLK,&lock) == 0;
128 static bool try_unlock(struct cli_state *c, int fstype,
129 int fd, unsigned start, unsigned len)
135 return cli_unlock(c, fd, start, len);
138 lock.l_type = F_UNLCK;
139 lock.l_whence = SEEK_SET;
140 lock.l_start = start;
142 lock.l_pid = getpid();
143 return fcntl(fd,F_SETLK,&lock) == 0;
149 static 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,
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);
162 /*****************************************************
163 return a connection to a server
164 *******************************************************/
165 static struct cli_state *connect_one(char *share)
174 fstrcpy(server,share+2);
175 share = strchr_m(server,'\\');
176 if (!share) return NULL;
183 char *pass = getpass("Password: ");
185 fstrcpy(password, pass);
189 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
191 nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????",
192 username, lp_workgroup(), password, 0,
195 if (!NT_STATUS_IS_OK(nt_status)) {
196 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
200 c->use_oplocks = use_oplocks;
206 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS],
208 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
209 char *share1, char *share2)
211 int server, conn, f, fstype;
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]);
224 cli_ulogoff(cli[server][conn]);
225 cli_shutdown(cli[server][conn]);
227 cli[server][conn] = connect_one(share[server]);
228 if (!cli[server][conn]) {
229 DEBUG(0,("Failed to connect to %s\n", share[server]));
237 static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
239 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
242 unsigned conn = rec->conn;
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;
261 for (server=0;server<NSERVERS;server++) {
262 ret[server] = try_lock(cli[server][conn], fstype,
263 fnum[server][fstype][conn][f],
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",
269 start, start+len-1, len,
270 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
273 if (showall) brl_forall(print_brl, NULL);
274 if (ret[0] != ret[1]) return False;
275 } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
277 for (server=0;server<NSERVERS;server++) {
278 ret[server] = try_unlock(cli[server][conn], fstype,
279 fnum[server][fstype][conn][f],
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",
285 start, start+len-1, len,
288 if (showall) brl_forall(print_brl, NULL);
289 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
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,
296 if (fnum[server][fstype][conn][f] == -1) {
297 printf("failed to reopen on share1\n");
302 printf("reopen conn=%u fstype=%u f=%u\n",
304 brl_forall(print_brl, NULL);
310 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
312 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
314 int server, conn, f, fstype;
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;
325 for (server=0;server<NSERVERS;server++) {
326 cli_unlink(cli[server][0], FILENAME, aSYSTEM | aHIDDEN);
330 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
332 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
334 int server, fstype, conn, f;
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,
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);
351 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
353 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
357 printf("testing %u ...\n", n);
358 for (i=0; i<n; i++) {
359 if (i && i % 100 == 0) {
363 if (recorded[i].needed &&
364 !test_one(cli, nfs, fnum, &recorded[i])) return i;
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
373 we then do random locking ops in tamdem on the 4 fnums from each
374 server and ensure that the results match
376 static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
378 struct cli_state *cli[NSERVERS][NCONNECTIONS];
380 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
389 recorded = SMB_MALLOC_ARRAY(struct record, numops);
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;
405 reconnect(cli, nfs, fnum, share1, share2);
406 open_files(cli, nfs, fnum);
407 n = retest(cli, nfs, fnum, numops);
409 if (n == numops || !analyze) return;
415 close_files(cli, nfs, fnum);
416 reconnect(cli, nfs, fnum, share1, share2);
417 open_files(cli, nfs, fnum);
419 for (i=0;i<n-1;i++) {
421 recorded[i].needed = False;
423 close_files(cli, nfs, fnum);
424 open_files(cli, nfs, fnum);
426 m = retest(cli, nfs, fnum, n);
428 recorded[i].needed = True;
431 memmove(&recorded[i], &recorded[i+1],
432 (m-i)*sizeof(recorded[0]));
442 close_files(cli, nfs, fnum);
443 reconnect(cli, nfs, fnum, share1, share2);
444 open_files(cli, nfs, fnum);
446 n1 = retest(cli, nfs, fnum, n);
448 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
450 close_files(cli, nfs, fnum);
453 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
467 static void usage(void)
471 locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
476 -u hide unlock fails\n\
482 /****************************************************************************
484 ****************************************************************************/
485 int main(int argc,char *argv[])
487 char *share1, *share2, *nfspath1, *nfspath2;
496 if (argc < 5 || argv[1][0] == '-') {
506 all_string_sub(share1,"/","\\",0);
507 all_string_sub(share2,"/","\\",0);
509 setup_logging(argv[0],True);
514 lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
517 if (getenv("USER")) {
518 fstrcpy(username,getenv("USER"));
523 while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
526 fstrcpy(username,optarg);
527 p = strchr_m(username,'%');
530 fstrcpy(password, p+1);
538 hide_unlock_fails = True;
541 numops = atoi(optarg);
556 printf("Unknown option %c (%d)\n", (char)opt, opt);
564 DEBUG(0,("seed=%u\n", seed));
567 locking_init_readonly();
568 test_locks(share1, share2, nfspath1, nfspath2);