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 2 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;
32 #define FILENAME "\\locktest.dat"
37 #define LOCKBASE (0x40000000 - 50)
43 #define RANGE_MULTIPLE 1
46 #define NCONNECTIONS 2
49 #define LOCK_TIMEOUT 0
61 static struct record *recorded;
63 static int try_open(struct smbcli_state *c, char *nfs, int fstype, const char *fname, int flags)
69 return smbcli_open(c, fname, flags, DENY_NONE);
72 slprintf(path, sizeof(path), "%s%s", nfs, fname);
73 pstring_sub(path,"\\", "/");
74 return open(path, flags, 0666);
80 static BOOL try_close(struct smbcli_state *c, int fstype, int fd)
84 return smbcli_close(c, fd);
87 return close(fd) == 0;
93 static BOOL try_lock(struct smbcli_state *c, int fstype,
94 int fd, uint_t start, uint_t len,
101 return smbcli_lock(c, fd, start, len, LOCK_TIMEOUT, op);
104 lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
105 lock.l_whence = SEEK_SET;
106 lock.l_start = start;
108 lock.l_pid = getpid();
109 return fcntl(fd,F_SETLK,&lock) == 0;
115 static BOOL try_unlock(struct smbcli_state *c, int fstype,
116 int fd, uint_t start, uint_t len)
122 return smbcli_unlock(c, fd, start, len);
125 lock.l_type = F_UNLCK;
126 lock.l_whence = SEEK_SET;
127 lock.l_start = start;
129 lock.l_pid = getpid();
130 return fcntl(fd,F_SETLK,&lock) == 0;
136 /*****************************************************
137 return a connection to a server
138 *******************************************************/
139 static struct smbcli_state *connect_one(char *share)
141 struct smbcli_state *c;
148 fstrcpy(server,share+2);
149 share = strchr_m(server,'\\');
150 if (!share) return NULL;
157 char *pass = getpass("Password: ");
159 fstrcpy(password, pass);
163 slprintf(myname,sizeof(myname), "lock-%u-%u", getpid(), count++);
165 nt_status = smbcli_full_connection(NULL,
166 &c, myname, server_n, NULL, 0, share, "?????",
167 username, lp_workgroup(), password, 0,
170 if (!NT_STATUS_IS_OK(nt_status)) {
171 DEBUG(0, ("smbcli_full_connection failed with error %s\n", nt_errstr(nt_status)));
175 c->use_oplocks = use_oplocks;
181 static void reconnect(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
183 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
184 char *share1, char *share2)
186 int server, conn, f, fstype;
193 for (server=0;server<NSERVERS;server++)
194 for (conn=0;conn<NCONNECTIONS;conn++) {
195 if (cli[server][conn]) {
196 for (f=0;f<NFILES;f++) {
197 smbcli_close(cli[server][conn], fnum[server][fstype][conn][f]);
199 smbcli_ulogoff(cli[server][conn]);
200 smbcli_shutdown(cli[server][conn]);
202 cli[server][conn] = connect_one(share[server]);
203 if (!cli[server][conn]) {
204 DEBUG(0,("Failed to connect to %s\n", share[server]));
212 static BOOL test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
214 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
217 uint_t conn = rec->conn;
219 uint_t fstype = rec->fstype;
220 uint_t start = rec->start;
221 uint_t len = rec->len;
236 for (server=0;server<NSERVERS;server++) {
237 ret[server] = try_lock(cli[server][conn], fstype,
238 fnum[server][fstype][conn][f],
241 if (showall || ret[0] != ret[1]) {
242 printf("lock conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
244 start, start+len-1, len,
245 op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
248 if (ret[0] != ret[1]) return False;
249 } else if (r2 < LOCK_PCT+UNLOCK_PCT) {
251 for (server=0;server<NSERVERS;server++) {
252 ret[server] = try_unlock(cli[server][conn], fstype,
253 fnum[server][fstype][conn][f],
256 if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
257 printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u) -> %u:%u\n",
259 start, start+len-1, len,
262 if (!hide_unlock_fails && ret[0] != ret[1]) return False;
264 /* reopen the file */
265 for (server=0;server<NSERVERS;server++) {
266 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
267 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
269 if (fnum[server][fstype][conn][f] == -1) {
270 printf("failed to reopen on share1\n");
275 printf("reopen conn=%u fstype=%u f=%u\n",
282 static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
284 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
286 int server, conn, f, fstype;
288 for (server=0;server<NSERVERS;server++)
289 for (fstype=0;fstype<NUMFSTYPES;fstype++)
290 for (conn=0;conn<NCONNECTIONS;conn++)
291 for (f=0;f<NFILES;f++) {
292 if (fnum[server][fstype][conn][f] != -1) {
293 try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
294 fnum[server][fstype][conn][f] = -1;
297 for (server=0;server<NSERVERS;server++) {
298 smbcli_unlink(cli[server][0], FILENAME);
302 static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
304 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
306 int server, fstype, conn, f;
308 for (server=0;server<NSERVERS;server++)
309 for (fstype=0;fstype<NUMFSTYPES;fstype++)
310 for (conn=0;conn<NCONNECTIONS;conn++)
311 for (f=0;f<NFILES;f++) {
312 fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
314 if (fnum[server][fstype][conn][f] == -1) {
315 fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
316 server, fstype, conn, f);
323 static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS],
325 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
329 printf("testing %u ...\n", n);
330 for (i=0; i<n; i++) {
331 if (i && i % 100 == 0) {
335 if (recorded[i].needed &&
336 !test_one(cli, nfs, fnum, &recorded[i])) return i;
342 /* each server has two connections open to it. Each connection has two file
343 descriptors open on the file - 8 file descriptors in total
345 we then do random locking ops in tamdem on the 4 fnums from each
346 server and ensure that the results match
348 static void test_locks(char *share1, char *share2, char *nfspath1, char *nfspath2)
350 struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
352 int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
361 recorded = (struct record *)malloc(sizeof(*recorded) * numops);
363 for (n=0; n<numops; n++) {
364 recorded[n].conn = random() % NCONNECTIONS;
365 recorded[n].fstype = random() % NUMFSTYPES;
366 recorded[n].f = random() % NFILES;
367 recorded[n].start = LOCKBASE + ((uint_t)random() % (LOCKRANGE-1));
368 recorded[n].len = 1 +
369 random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
370 recorded[n].start *= RANGE_MULTIPLE;
371 recorded[n].len *= RANGE_MULTIPLE;
372 recorded[n].r1 = random() % 100;
373 recorded[n].r2 = random() % 100;
374 recorded[n].needed = True;
377 reconnect(cli, nfs, fnum, share1, share2);
378 open_files(cli, nfs, fnum);
379 n = retest(cli, nfs, fnum, numops);
381 if (n == numops || !analyze) return;
387 close_files(cli, nfs, fnum);
388 reconnect(cli, nfs, fnum, share1, share2);
389 open_files(cli, nfs, fnum);
391 for (i=0;i<n-1;i++) {
393 recorded[i].needed = False;
395 close_files(cli, nfs, fnum);
396 open_files(cli, nfs, fnum);
398 m = retest(cli, nfs, fnum, n);
400 recorded[i].needed = True;
403 memmove(&recorded[i], &recorded[i+1],
404 (m-i)*sizeof(recorded[0]));
414 close_files(cli, nfs, fnum);
415 reconnect(cli, nfs, fnum, share1, share2);
416 open_files(cli, nfs, fnum);
418 n1 = retest(cli, nfs, fnum, n);
420 printf("ERROR - inconsistent result (%u %u)\n", n1, n);
422 close_files(cli, nfs, fnum);
425 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
439 static void usage(void)
443 locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
448 -u hide unlock fails\n\
454 /****************************************************************************
456 ****************************************************************************/
457 int main(int argc,char *argv[])
459 char *share1, *share2, *nfspath1, *nfspath2;
470 if (argc < 5 || argv[1][0] == '-') {
480 all_string_sub(share1,"/","\\",0);
481 all_string_sub(share2,"/","\\",0);
483 setup_logging(argv[0], DEBUG_STDOUT);
488 lp_load(dyn_CONFIGFILE,True,False,False);
491 if (getenv("USER")) {
492 fstrcpy(username,getenv("USER"));
497 while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
500 fstrcpy(username,optarg);
501 p = strchr_m(username,'%');
504 fstrcpy(password, p+1);
512 hide_unlock_fails = True;
515 numops = atoi(optarg);
530 printf("Unknown option %c (%d)\n", (char)opt, opt);
538 DEBUG(0,("seed=%u\n", seed));
542 test_locks(share1, share2, nfspath1, nfspath2);