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 cli_state
*c
, char *nfs
, int fstype
, const char *fname
, int flags
)
69 return cli_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 cli_state
*c
, int fstype
, int fd
)
84 return cli_close(c
, fd
);
87 return close(fd
) == 0;
93 static BOOL
try_lock(struct cli_state
*c
, int fstype
,
94 int fd
, unsigned start
, unsigned len
,
101 return cli_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 cli_state
*c
, int fstype
,
116 int fd
, unsigned start
, unsigned len
)
122 return cli_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 static void print_brl(SMB_DEV_T dev
, SMB_INO_T ino
, struct process_id pid
,
137 enum brl_type lock_type
,
138 enum brl_flavour lock_flav
,
139 br_off start
, br_off size
)
141 printf("%6d %05x:%05x %s %.0f:%.0f(%.0f)\n",
142 (int)procid_to_pid(&pid
), (int)dev
, (int)ino
,
143 lock_type
==READ_LOCK
?"R":"W",
144 (double)start
, (double)start
+size
-1,(double)size
);
148 /*****************************************************
149 return a connection to a server
150 *******************************************************/
151 static struct cli_state
*connect_one(char *share
)
160 fstrcpy(server
,share
+2);
161 share
= strchr_m(server
,'\\');
162 if (!share
) return NULL
;
169 char *pass
= getpass("Password: ");
171 fstrcpy(password
, pass
);
175 slprintf(myname
,sizeof(myname
), "lock-%lu-%u", (unsigned long)getpid(), count
++);
177 nt_status
= cli_full_connection(&c
, myname
, server_n
, NULL
, 0, share
, "?????",
178 username
, lp_workgroup(), password
, 0,
181 if (!NT_STATUS_IS_OK(nt_status
)) {
182 DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status
)));
186 c
->use_oplocks
= use_oplocks
;
192 static void reconnect(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
194 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
],
195 char *share1
, char *share2
)
197 int server
, conn
, f
, fstype
;
204 for (server
=0;server
<NSERVERS
;server
++)
205 for (conn
=0;conn
<NCONNECTIONS
;conn
++) {
206 if (cli
[server
][conn
]) {
207 for (f
=0;f
<NFILES
;f
++) {
208 cli_close(cli
[server
][conn
], fnum
[server
][fstype
][conn
][f
]);
210 cli_ulogoff(cli
[server
][conn
]);
211 cli_shutdown(cli
[server
][conn
]);
213 cli
[server
][conn
] = connect_one(share
[server
]);
214 if (!cli
[server
][conn
]) {
215 DEBUG(0,("Failed to connect to %s\n", share
[server
]));
223 static BOOL
test_one(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
225 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
],
228 unsigned conn
= rec
->conn
;
230 unsigned fstype
= rec
->fstype
;
231 unsigned start
= rec
->start
;
232 unsigned len
= rec
->len
;
233 unsigned r1
= rec
->r1
;
234 unsigned r2
= rec
->r2
;
247 for (server
=0;server
<NSERVERS
;server
++) {
248 ret
[server
] = try_lock(cli
[server
][conn
], fstype
,
249 fnum
[server
][fstype
][conn
][f
],
252 if (showall
|| ret
[0] != ret
[1]) {
253 printf("lock conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
255 start
, start
+len
-1, len
,
256 op
==READ_LOCK
?"READ_LOCK":"WRITE_LOCK",
259 if (showall
) brl_forall(print_brl
);
260 if (ret
[0] != ret
[1]) return False
;
261 } else if (r2
< LOCK_PCT
+UNLOCK_PCT
) {
263 for (server
=0;server
<NSERVERS
;server
++) {
264 ret
[server
] = try_unlock(cli
[server
][conn
], fstype
,
265 fnum
[server
][fstype
][conn
][f
],
268 if (showall
|| (!hide_unlock_fails
&& (ret
[0] != ret
[1]))) {
269 printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u) -> %u:%u\n",
271 start
, start
+len
-1, len
,
274 if (showall
) brl_forall(print_brl
);
275 if (!hide_unlock_fails
&& ret
[0] != ret
[1]) return False
;
277 /* reopen the file */
278 for (server
=0;server
<NSERVERS
;server
++) {
279 try_close(cli
[server
][conn
], fstype
, fnum
[server
][fstype
][conn
][f
]);
280 fnum
[server
][fstype
][conn
][f
] = try_open(cli
[server
][conn
], nfs
[server
], fstype
, FILENAME
,
282 if (fnum
[server
][fstype
][conn
][f
] == -1) {
283 printf("failed to reopen on share1\n");
288 printf("reopen conn=%u fstype=%u f=%u\n",
290 brl_forall(print_brl
);
296 static void close_files(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
298 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
])
300 int server
, conn
, f
, fstype
;
302 for (server
=0;server
<NSERVERS
;server
++)
303 for (fstype
=0;fstype
<NUMFSTYPES
;fstype
++)
304 for (conn
=0;conn
<NCONNECTIONS
;conn
++)
305 for (f
=0;f
<NFILES
;f
++) {
306 if (fnum
[server
][fstype
][conn
][f
] != -1) {
307 try_close(cli
[server
][conn
], fstype
, fnum
[server
][fstype
][conn
][f
]);
308 fnum
[server
][fstype
][conn
][f
] = -1;
311 for (server
=0;server
<NSERVERS
;server
++) {
312 cli_unlink(cli
[server
][0], FILENAME
);
316 static void open_files(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
318 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
])
320 int server
, fstype
, conn
, f
;
322 for (server
=0;server
<NSERVERS
;server
++)
323 for (fstype
=0;fstype
<NUMFSTYPES
;fstype
++)
324 for (conn
=0;conn
<NCONNECTIONS
;conn
++)
325 for (f
=0;f
<NFILES
;f
++) {
326 fnum
[server
][fstype
][conn
][f
] = try_open(cli
[server
][conn
], nfs
[server
], fstype
, FILENAME
,
328 if (fnum
[server
][fstype
][conn
][f
] == -1) {
329 fprintf(stderr
,"Failed to open fnum[%u][%u][%u][%u]\n",
330 server
, fstype
, conn
, f
);
337 static int retest(struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
],
339 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
],
343 printf("testing %u ...\n", n
);
344 for (i
=0; i
<n
; i
++) {
345 if (i
&& i
% 100 == 0) {
349 if (recorded
[i
].needed
&&
350 !test_one(cli
, nfs
, fnum
, &recorded
[i
])) return i
;
356 /* each server has two connections open to it. Each connection has two file
357 descriptors open on the file - 8 file descriptors in total
359 we then do random locking ops in tamdem on the 4 fnums from each
360 server and ensure that the results match
362 static void test_locks(char *share1
, char *share2
, char *nfspath1
, char *nfspath2
)
364 struct cli_state
*cli
[NSERVERS
][NCONNECTIONS
];
366 int fnum
[NSERVERS
][NUMFSTYPES
][NCONNECTIONS
][NFILES
];
375 recorded
= SMB_MALLOC_ARRAY(struct record
, numops
);
377 for (n
=0; n
<numops
; n
++) {
378 recorded
[n
].conn
= random() % NCONNECTIONS
;
379 recorded
[n
].fstype
= random() % NUMFSTYPES
;
380 recorded
[n
].f
= random() % NFILES
;
381 recorded
[n
].start
= LOCKBASE
+ ((unsigned)random() % (LOCKRANGE
-1));
382 recorded
[n
].len
= 1 +
383 random() % (LOCKRANGE
-(recorded
[n
].start
-LOCKBASE
));
384 recorded
[n
].start
*= RANGE_MULTIPLE
;
385 recorded
[n
].len
*= RANGE_MULTIPLE
;
386 recorded
[n
].r1
= random() % 100;
387 recorded
[n
].r2
= random() % 100;
388 recorded
[n
].needed
= True
;
391 reconnect(cli
, nfs
, fnum
, share1
, share2
);
392 open_files(cli
, nfs
, fnum
);
393 n
= retest(cli
, nfs
, fnum
, numops
);
395 if (n
== numops
|| !analyze
) return;
401 close_files(cli
, nfs
, fnum
);
402 reconnect(cli
, nfs
, fnum
, share1
, share2
);
403 open_files(cli
, nfs
, fnum
);
405 for (i
=0;i
<n
-1;i
++) {
407 recorded
[i
].needed
= False
;
409 close_files(cli
, nfs
, fnum
);
410 open_files(cli
, nfs
, fnum
);
412 m
= retest(cli
, nfs
, fnum
, n
);
414 recorded
[i
].needed
= True
;
417 memmove(&recorded
[i
], &recorded
[i
+1],
418 (m
-i
)*sizeof(recorded
[0]));
428 close_files(cli
, nfs
, fnum
);
429 reconnect(cli
, nfs
, fnum
, share1
, share2
);
430 open_files(cli
, nfs
, fnum
);
432 n1
= retest(cli
, nfs
, fnum
, n
);
434 printf("ERROR - inconsistent result (%u %u)\n", n1
, n
);
436 close_files(cli
, nfs
, fnum
);
439 printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
453 static void usage(void)
457 locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
462 -u hide unlock fails\n\
468 /****************************************************************************
470 ****************************************************************************/
471 int main(int argc
,char *argv
[])
473 char *share1
, *share2
, *nfspath1
, *nfspath2
;
484 if (argc
< 5 || argv
[1][0] == '-') {
494 all_string_sub(share1
,"/","\\",0);
495 all_string_sub(share2
,"/","\\",0);
497 setup_logging(argv
[0],True
);
502 lp_load(dyn_CONFIGFILE
,True
,False
,False
,True
);
505 if (getenv("USER")) {
506 fstrcpy(username
,getenv("USER"));
511 while ((opt
= getopt(argc
, argv
, "U:s:ho:aAW:O")) != EOF
) {
514 fstrcpy(username
,optarg
);
515 p
= strchr_m(username
,'%');
518 fstrcpy(password
, p
+1);
526 hide_unlock_fails
= True
;
529 numops
= atoi(optarg
);
544 printf("Unknown option %c (%d)\n", (char)opt
, opt
);
552 DEBUG(0,("seed=%u\n", seed
));
556 test_locks(share1
, share2
, nfspath1
, nfspath2
);