source: vendor/current/source3/utils/dbwrap_torture.c@ 740

Last change on this file since 740 was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 8.3 KB
Line 
1/*
2 Samba Linux/Unix CIFS implementation
3
4 simple tool to test persistent databases
5
6 Copyright (C) Michael Adam 2009
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "system/filesys.h"
24#include "popt_common.h"
25#include "dbwrap.h"
26#include "messages.h"
27
28#if 0
29#include "lib/events/events.h"
30#include "system/filesys.h"
31#include "popt.h"
32#include "cmdline.h"
33
34#include <sys/time.h>
35#include <time.h>
36#endif
37
38#define DEFAULT_DB_NAME "transaction.tdb"
39
40static int timelimit = 10;
41static int torture_delay = 0;
42static int verbose = 0;
43static int no_trans = 0;
44static char *db_name = (char *)discard_const(DEFAULT_DB_NAME);
45
46
47static unsigned int pnn;
48
49static TDB_DATA old_data;
50
51static int success = true;
52
53static void print_counters(void)
54{
55 int i;
56 uint32_t *old_counters;
57
58 printf("[%4u] Counters: ", getpid());
59 old_counters = (uint32_t *)old_data.dptr;
60 for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
61 printf("%6u ", old_counters[i]);
62 }
63 printf("\n");
64}
65
66static void each_second(struct tevent_context *ev,
67 struct tevent_timer *te,
68 struct timeval t,
69 void *private_data)
70{
71 struct db_context *db = talloc_get_type(private_data, struct db_context);
72
73 print_counters();
74
75 tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db);
76}
77
78static bool check_counters(struct db_context *db, TDB_DATA data)
79{
80 int i;
81 uint32_t *counters, *old_counters;
82
83 counters = (uint32_t *)data.dptr;
84 old_counters = (uint32_t *)old_data.dptr;
85
86 /* check that all the counters are monotonic increasing */
87 for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
88 if (counters[i] < old_counters[i]) {
89 printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n",
90 getpid(), i, old_counters[i], counters[i]);
91 success = false;
92 return false;
93 }
94 }
95
96 if (old_data.dsize != data.dsize) {
97 old_data.dsize = data.dsize;
98 old_data.dptr = (unsigned char*)talloc_realloc_size(db, old_data.dptr, old_data.dsize);
99 }
100
101 memcpy(old_data.dptr, data.dptr, data.dsize);
102 if (verbose) print_counters();
103
104 return true;
105}
106
107
108static void do_sleep(unsigned int sec)
109{
110 unsigned int i;
111
112 if (sec == 0) {
113 return;
114 }
115
116 for (i=0; i<sec; i++) {
117 if (verbose) printf(".");
118 sleep(1);
119 }
120
121 if (verbose) printf("\n");
122}
123
124static void test_store_records(struct db_context *db, struct tevent_context *ev)
125{
126 TDB_DATA key;
127 uint32_t *counters;
128 TALLOC_CTX *tmp_ctx = talloc_stackframe();
129 struct timeval start;
130
131 key.dptr = (unsigned char *)discard_const("testkey");
132 key.dsize = strlen((const char *)key.dptr)+1;
133
134 start = timeval_current();
135 while ((timelimit == 0) || (timeval_elapsed(&start) < timelimit)) {
136 struct db_record *rec;
137 TDB_DATA data;
138 int ret;
139 NTSTATUS status;
140
141 if (!no_trans) {
142 if (verbose) DEBUG(1, ("starting transaction\n"));
143 ret = db->transaction_start(db);
144 if (ret != 0) {
145 DEBUG(0, ("Failed to start transaction on node "
146 "%d\n", pnn));
147 goto fail;
148 }
149 if (verbose) DEBUG(1, ("transaction started\n"));
150 do_sleep(torture_delay);
151 }
152
153 if (verbose) DEBUG(1, ("calling fetch_lock\n"));
154 rec = db->fetch_locked(db, tmp_ctx, key);
155 if (rec == NULL) {
156 DEBUG(0, ("Failed to fetch record\n"));
157 goto fail;
158 }
159 if (verbose) DEBUG(1, ("fetched record ok\n"));
160 do_sleep(torture_delay);
161
162 data.dsize = MAX(rec->value.dsize, sizeof(uint32_t) * (pnn+1));
163 data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx,
164 data.dsize);
165 if (data.dptr == NULL) {
166 DEBUG(0, ("Failed to allocate data\n"));
167 goto fail;
168 }
169 memcpy(data.dptr, rec->value.dptr,rec->value.dsize);
170
171 counters = (uint32_t *)data.dptr;
172
173 /* bump our counter */
174 counters[pnn]++;
175
176 if (verbose) DEBUG(1, ("storing data\n"));
177 status = rec->store(rec, data, TDB_REPLACE);
178 if (!NT_STATUS_IS_OK(status)) {
179 DEBUG(0, ("Failed to store record\n"));
180 if (!no_trans) {
181 ret = db->transaction_cancel(db);
182 if (ret != 0) {
183 DEBUG(0, ("Error cancelling transaction.\n"));
184 }
185 }
186 goto fail;
187 }
188 talloc_free(rec);
189 if (verbose) DEBUG(1, ("stored data ok\n"));
190 do_sleep(torture_delay);
191
192 if (!no_trans) {
193 if (verbose) DEBUG(1, ("calling transaction_commit\n"));
194 ret = db->transaction_commit(db);
195 if (ret != 0) {
196 DEBUG(0, ("Failed to commit transaction\n"));
197 goto fail;
198 }
199 if (verbose) DEBUG(1, ("transaction committed\n"));
200 }
201
202 /* store the counters and verify that they are sane */
203 if (verbose || (pnn == 0)) {
204 if (!check_counters(db, data)) {
205 goto fail;
206 }
207 }
208 talloc_free(data.dptr);
209
210 do_sleep(torture_delay);
211 }
212
213 goto done;
214
215fail:
216 success = false;
217
218done:
219 talloc_free(tmp_ctx);
220 return;
221}
222
223/*
224 main program
225*/
226int main(int argc, const char *argv[])
227{
228 TALLOC_CTX *mem_ctx;
229 struct tevent_context *ev_ctx;
230 struct messaging_context *msg_ctx;
231 struct db_context *db;
232
233 int unsafe_writes = 0;
234 struct poptOption popt_options[] = {
235 POPT_AUTOHELP
236 POPT_COMMON_SAMBA
237 { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "INTEGER" },
238 { "delay", 'D', POPT_ARG_INT, &torture_delay, 0, "delay (in seconds) between operations", "INTEGER" },
239 { "verbose", 'v', POPT_ARG_NONE, &verbose, 0, "switch on verbose mode", NULL },
240 { "db-name", 'N', POPT_ARG_STRING, &db_name, 0, "name of the test db", "NAME" },
241 { "no-trans", 'n', POPT_ARG_NONE, &no_trans, 0, "use fetch_lock/record store instead of transactions", NULL },
242 { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
243 POPT_TABLEEND
244 };
245 int opt;
246 const char **extra_argv;
247 int extra_argc = 0;
248 poptContext pc;
249 int tdb_flags;
250
251 int ret = 1;
252
253 mem_ctx = talloc_stackframe();
254
255 if (verbose) {
256 setbuf(stdout, (char *)NULL); /* don't buffer */
257 } else {
258 setlinebuf(stdout);
259 }
260
261 load_case_tables();
262
263 setup_logging(argv[0], DEBUG_STDERR);
264 lp_set_cmdline("log level", "0");
265
266 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
267
268 while ((opt = poptGetNextOpt(pc)) != -1) {
269 switch (opt) {
270 default:
271 fprintf(stderr, "Invalid option %s: %s\n",
272 poptBadOption(pc, 0), poptStrerror(opt));
273 goto done;
274 }
275 }
276
277 /* setup the remaining options for the main program to use */
278 extra_argv = poptGetArgs(pc);
279 if (extra_argv) {
280 extra_argv++;
281 while (extra_argv[extra_argc]) extra_argc++;
282 }
283
284 lp_load(get_dyn_CONFIGFILE(), true, false, false, true);
285
286 ev_ctx = tevent_context_init(mem_ctx);
287 if (ev_ctx == NULL) {
288 d_fprintf(stderr, "ERROR: could not init event context\n");
289 goto done;
290 }
291
292 msg_ctx = messaging_init(mem_ctx, procid_self(), ev_ctx);
293 if (msg_ctx == NULL) {
294 d_fprintf(stderr, "ERROR: could not init messaging context\n");
295 goto done;
296 }
297
298 if (unsafe_writes == 1) {
299 tdb_flags = TDB_NOSYNC;
300 } else {
301 tdb_flags = TDB_DEFAULT;
302 }
303
304 if (no_trans) {
305 tdb_flags |= TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH;
306 }
307
308 db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644);
309
310 if (db == NULL) {
311 d_fprintf(stderr, "failed to open db '%s': %s\n", db_name,
312 strerror(errno));
313 goto done;
314 }
315
316 if (get_my_vnn() == NONCLUSTER_VNN) {
317 set_my_vnn(0);
318 }
319 pnn = get_my_vnn();
320
321 printf("Starting test on node %u. running for %u seconds. "
322 "sleep delay: %u seconds.\n", pnn, timelimit, torture_delay);
323
324 if (!verbose && (pnn == 0)) {
325 tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db);
326 }
327
328 test_store_records(db, ev_ctx);
329
330 if (verbose || (pnn == 0)) {
331 if (success != true) {
332 printf("The test FAILED\n");
333 ret = 2;
334 } else {
335 printf("SUCCESS!\n");
336 ret = 0;
337 }
338 }
339
340done:
341 talloc_free(mem_ctx);
342 return ret;
343}
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