2 Samba Linux/Unix CIFS implementation
4 simple tool to test persistent databases
6 Copyright (C) Michael Adam 2009
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.
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.
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/>.
23 #include "popt_common.h"
27 #include "lib/events/events.h"
28 #include "system/filesys.h"
36 extern bool AllowDebugChange;
38 #define DEFAULT_DB_NAME "transaction.tdb"
40 static int timelimit = 10;
41 static int torture_delay = 0;
42 static int verbose = 0;
43 static int no_trans = 0;
44 static char *db_name = (char *)discard_const(DEFAULT_DB_NAME);
47 static unsigned int pnn;
49 static TDB_DATA old_data;
51 static int success = true;
53 static void print_counters(void)
56 uint32_t *old_counters;
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]);
66 static void each_second(struct tevent_context *ev,
67 struct tevent_timer *te,
71 struct db_context *db = talloc_get_type(private_data, struct db_context);
75 tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db);
78 static bool check_counters(struct db_context *db, TDB_DATA data)
81 uint32_t *counters, *old_counters;
83 counters = (uint32_t *)data.dptr;
84 old_counters = (uint32_t *)old_data.dptr;
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]);
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);
101 memcpy(old_data.dptr, data.dptr, data.dsize);
102 if (verbose) print_counters();
108 static void do_sleep(unsigned int sec)
116 for (i=0; i<sec; i++) {
117 if (verbose) printf(".");
121 if (verbose) printf("\n");
124 static void test_store_records(struct db_context *db, struct tevent_context *ev)
128 TALLOC_CTX *tmp_ctx = talloc_stackframe();
129 struct timeval start;
131 key.dptr = (unsigned char *)discard_const("testkey");
132 key.dsize = strlen((const char *)key.dptr)+1;
134 start = timeval_current();
135 while ((timelimit == 0) || (timeval_elapsed(&start) < timelimit)) {
136 struct db_record *rec;
142 if (verbose) DEBUG(1, ("starting transaction\n"));
143 ret = db->transaction_start(db);
145 DEBUG(0, ("Failed to start transaction on node "
149 if (verbose) DEBUG(1, ("transaction started\n"));
150 do_sleep(torture_delay);
153 if (verbose) DEBUG(1, ("calling fetch_lock\n"));
154 rec = db->fetch_locked(db, tmp_ctx, key);
156 DEBUG(0, ("Failed to fetch record\n"));
159 if (verbose) DEBUG(1, ("fetched record ok\n"));
160 do_sleep(torture_delay);
162 data.dsize = MAX(rec->value.dsize, sizeof(uint32_t) * (pnn+1));
163 data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx,
165 if (data.dptr == NULL) {
166 DEBUG(0, ("Failed to allocate data\n"));
169 memcpy(data.dptr, rec->value.dptr,rec->value.dsize);
171 counters = (uint32_t *)data.dptr;
173 /* bump our counter */
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"));
181 ret = db->transaction_cancel(db);
183 DEBUG(0, ("Error cancelling transaction.\n"));
189 if (verbose) DEBUG(1, ("stored data ok\n"));
190 do_sleep(torture_delay);
193 if (verbose) DEBUG(1, ("calling transaction_commit\n"));
194 ret = db->transaction_commit(db);
196 DEBUG(0, ("Failed to commit transaction\n"));
199 if (verbose) DEBUG(1, ("transaction committed\n"));
202 /* store the counters and verify that they are sane */
203 if (verbose || (pnn == 0)) {
204 if (!check_counters(db, data)) {
208 talloc_free(data.dptr);
210 do_sleep(torture_delay);
219 talloc_free(tmp_ctx);
226 int main(int argc, const char *argv[])
229 struct tevent_context *ev_ctx;
230 struct messaging_context *msg_ctx;
231 struct db_context *db;
233 int unsafe_writes = 0;
234 struct poptOption popt_options[] = {
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 },
246 const char **extra_argv;
253 mem_ctx = talloc_stackframe();
256 setbuf(stdout, (char *)NULL); /* don't buffer */
261 DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
263 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
265 while ((opt = poptGetNextOpt(pc)) != -1) {
268 fprintf(stderr, "Invalid option %s: %s\n",
269 poptBadOption(pc, 0), poptStrerror(opt));
274 /* setup the remaining options for the main program to use */
275 extra_argv = poptGetArgs(pc);
278 while (extra_argv[extra_argc]) extra_argc++;
283 AllowDebugChange = false;
284 lp_load(get_dyn_CONFIGFILE(), true, false, false, true);
286 ev_ctx = tevent_context_init(mem_ctx);
287 if (ev_ctx == NULL) {
288 d_fprintf(stderr, "ERROR: could not init event context\n");
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");
298 if (unsafe_writes == 1) {
299 tdb_flags = TDB_NOSYNC;
301 tdb_flags = TDB_DEFAULT;
305 tdb_flags |= TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH;
308 db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644);
311 d_fprintf(stderr, "failed to open db '%s': %s\n", db_name,
316 if (get_my_vnn() == NONCLUSTER_VNN) {
321 printf("Starting test on node %u. running for %u seconds. "
322 "sleep delay: %u seconds.\n", pnn, timelimit, torture_delay);
324 if (!verbose && (pnn == 0)) {
325 tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db);
328 test_store_records(db, ev_ctx);
330 if (verbose || (pnn == 0)) {
331 if (success != true) {
332 printf("The test FAILED\n");
335 printf("SUCCESS!\n");
341 talloc_free(mem_ctx);