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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 static fstring password;
24 static fstring username;
26 static int numops = 1000;
29 static BOOL hide_unlock_fails;
30 static BOOL use_oplocks;
35 #define FILENAME "\\locktest.dat"
40 #define LOCKBASE (0x40000000 - 50)
46 #define RANGE_MULTIPLE 1
49 #define NCONNECTIONS 2
52 #define LOCK_TIMEOUT 0
64 static struct record *recorded;
66 static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
72 return cli_open(c, fname, flags, DENY_NONE);
75 slprintf(path, sizeof(path), "%s%s", nfs, fname);
76 pstring_sub(path,"\\", "/");
77 return open(path, flags, 0666);
83 static BOOL try_close(struct cli_state *c, int fstype, int fd)
87 return cli_close(c, fd);
90 return close(fd) == 0;
96 static BOOL try_lock(struct cli_state *c, int fstype,
97 int fd, unsigned start, unsigned len,
104 return cli_lock(c, fd, start, len, LOCK_TIMEOUT, op);
107 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
108 lock.l_whence = SEEK_SET;
109 lock.l_start = start;
111 lock.l_pid = getpid();
112 return fcntl(fd,F_SETLK,&lock) == 0;
118 static BOOL try_unlock(struct cli_state *c, int fstype,
119 int fd, unsigned start, unsigned len)
125 return cli_unlock(c, fd, start, len);
128 lock.l_type = F_UNLCK;
129 lock.l_whence = SEEK_SET;
130 lock.l_start = start;
132 lock.l_pid = getpid();
133 return fcntl(fd,F_SETLK,&lock) == 0;
139 static void print_brl(struct file_id id, struct server_id pid,
140 enum brl_type lock_type,
141 enum brl_flavour lock_flav,
142 br_off start, br_off size,
145 printf("%6d %s %s %.0f:%.0f(%.0f)\n",
146 (int)procid_to_pid(&pid), file_id_static_string(&id),
147 lock_type==READ_LOCK?"R":"W",
148 (double)start, (double)start+size-1,(double)size);
152 /*****************************************************
153 return a connection to a server
154 *******************************************************/
155 static struct cli_state *connect_one(char *share)
164 fstrcpy(server,share+2);
165 share = strchr_m(server,'\\');
166 if (!share) return NULL;
173 char *pass = getpass("Password: ");
175 fstrcpy(password, pass);
179 slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
181 nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????",
182 username, lp_workgroup(), password, 0,
185 if (!NT_STATUS_IS_OK(nt_status)) {
186 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
190 c->use_oplocks = use_oplocks;
196 static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS],
198 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
199 char *share1, char *share2)
201 int server, conn, f, fstype;
208 for (server=0;server<NSERVERS;server++)
209 for (conn=0;conn<NCONNECTIONS;conn++) {
210 if (cli[server][conn]) {
211 for (f=0;f<NFILES;f++) {
212 cli_close(cli[server][conn], fnum[server][fstype][conn][f]);
214 cli_ulogoff(cli[server][conn]);
215 cli_shutdown(cli[server][conn]);
217 cli[server][conn] = connect_one(share[server]);
218 if (!cli[server][conn]) {
219 DEBUG(0,("Failed to connect to %s\n", share[server]));
227 static BOOL test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
229 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
232 unsigned conn = rec->conn;
234 unsigned fstype = rec->fstype;
235 unsigned start = rec->start;
236 unsigned len = rec->len;
237 unsigned r1 = rec->r1;
238 unsigned r2 = rec->r2;
251 for (server=0;server<NSERVERS;server++) {
252 ret[server] = try_lock(cli[server][conn], fstype,
253 fnum[server][fstype][conn][f],
256 if (showall || ret[0] != ret[1]) {
257 printf("lock conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
259 start, start+len-1, len,
260 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
263 if (showall) brl_forall(print_brl, NULL);
264 if (ret[0] != ret[1]) return False;
265 } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
267 for (server=0;server<NSERVERS;server++) {
268 ret[server] = try_unlock(cli[server][conn], fstype,
269 fnum[server][fstype][conn][f],
272 if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
273 printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u) -> %u:%u\n",
275 start, start+len-1, len,
278 if (showall) brl_forall(print_brl, NULL);
279 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
281 /* reopen the file */
282 for (server=0;server<NSERVERS;server++) {
283 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
284 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
286 if (fnum[server][fstype][conn][f] == -1) {
287 printf("failed to reopen on share1\n");
292 printf("reopen conn=%u fstype=%u f=%u\n",
294 brl_forall(print_brl, NULL);
300 static void close_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
302 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
304 int server, conn, f, fstype;
306 for (server=0;server<NSERVERS;server++)
307 for (fstype=0;fstype<NUMFSTYPES;fstype++)
308 for (conn=0;conn<NCONNECTIONS;conn++)
309 for (f=0;f<NFILES;f++) {
310 if (fnum[server][fstype][conn][f] != -1) {
311 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
312 fnum[server][fstype][conn][f] = -1;
315 for (server=0;server<NSERVERS;server++) {
316 cli_unlink(cli[server][0], FILENAME);
320 static void open_files(struct cli_state *cli[NSERVERS][NCONNECTIONS],
322 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
324 int server, fstype, conn, f;
326 for (server=0;server<NSERVERS;server++)
327 for (fstype=0;fstype<NUMFSTYPES;fstype++)
328 for (conn=0;conn<NCONNECTIONS;conn++)
329 for (f=0;f<NFILES;f++) {
330 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
332 if (fnum[server][fstype][conn][f] == -1) {
333 fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
334 server, fstype, conn, f);
341 static int retest(struct cli_state *cli[NSERVERS][NCONNECTIONS],
343 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
347 printf("testing %u ...\n", n);
348 for (i=0; i<n; i++) {
349 if (i && i % 100 == 0) {
353 if (recorded[i].needed &&
354 !test_one(cli, nfs, fnum, &recorded[i])) return i;
360 /* each server has two connections open to it. Each connection has two file
361 descriptors open on the file - 8 file descriptors in total
363 we then do random locking ops in tamdem on the 4 fnums from each
364 server and ensure that the results match
366 static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
368 struct cli_state *cli[NSERVERS][NCONNECTIONS];
370 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
379 recorded = SMB_MALLOC_ARRAY(struct record, numops);
381 for (n=0; n<numops; n++) {
382 recorded[n].conn = random() % NCONNECTIONS;
383 recorded[n].fstype = random() % NUMFSTYPES;
384 recorded[n].f = random() % NFILES;
385 recorded[n].start = LOCKBASE + ((unsigned)random() % (LOCKRANGE-1));
386 recorded[n].len = 1 +
387 random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
388 recorded[n].start *= RANGE_MULTIPLE;
389 recorded[n].len *= RANGE_MULTIPLE;
390 recorded[n].r1 = random() % 100;
391 recorded[n].r2 = random() % 100;
392 recorded[n].needed = True;
395 reconnect(cli, nfs, fnum, share1, share2);
396 open_files(cli, nfs, fnum);
397 n = retest(cli, nfs, fnum, numops);
399 if (n == numops || !analyze) return;
405 close_files(cli, nfs, fnum);
406 reconnect(cli, nfs, fnum, share1, share2);
407 open_files(cli, nfs, fnum);
409 for (i=0;i<n-1;i++) {
411 recorded[i].needed = False;
413 close_files(cli, nfs, fnum);
414 open_files(cli, nfs, fnum);
416 m = retest(cli, nfs, fnum, n);
418 recorded[i].needed = True;
421 memmove(&recorded[i], &recorded[i+1],
422 (m-i)*sizeof(recorded[0]));
432 close_files(cli, nfs, fnum);
433 reconnect(cli, nfs, fnum, share1, share2);
434 open_files(cli, nfs, fnum);
436 n1 = retest(cli, nfs, fnum, n);
438 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
440 close_files(cli, nfs, fnum);
443 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
457 static void usage(void)
461 locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
466 -u hide unlock fails\n\
472 /****************************************************************************
474 ****************************************************************************/
475 int main(int argc,char *argv[])
477 char *share1, *share2, *nfspath1, *nfspath2;
486 if (argc < 5 || argv[1][0] == '-') {
496 all_string_sub(share1,"/","\\",0);
497 all_string_sub(share2,"/","\\",0);
499 setup_logging(argv[0],True);
504 lp_load(dyn_CONFIGFILE,True,False,False,True);
507 if (getenv("USER")) {
508 fstrcpy(username,getenv("USER"));
513 while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
516 fstrcpy(username,optarg);
517 p = strchr_m(username,'%');
520 fstrcpy(password, p+1);
528 hide_unlock_fails = True;
531 numops = atoi(optarg);
546 printf("Unknown option %c (%d)\n", (char)opt, opt);
554 DEBUG(0,("seed=%u\n", seed));
558 test_locks(share1, share2, nfspath1, nfspath2);