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 "system/filesys.h"
24 #include "popt_common.h"
25 #include "dbwrap/dbwrap.h"
26 #include "dbwrap/dbwrap_open.h"
28 #include "lib/util/util_tdb.h"
31 #include "lib/events/events.h"
32 #include "system/filesys.h"
40 #define DEFAULT_DB_NAME "transaction.tdb"
42 static int timelimit = 10;
43 static int torture_delay = 0;
44 static int verbose = 0;
45 static int no_trans = 0;
46 static const char *db_name = DEFAULT_DB_NAME;
49 static unsigned int pnn;
51 static TDB_DATA old_data;
53 static int success = true;
55 static void print_counters(void)
58 uint32_t *old_counters;
60 printf("[%4u] Counters: ", getpid());
61 old_counters = (uint32_t *)old_data.dptr;
62 for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
63 printf("%6u ", old_counters[i]);
68 static void each_second(struct tevent_context *ev,
69 struct tevent_timer *te,
73 struct db_context *db = talloc_get_type(private_data, struct db_context);
77 tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db);
80 static bool check_counters(struct db_context *db, TDB_DATA data)
83 uint32_t *counters, *old_counters;
85 counters = (uint32_t *)data.dptr;
86 old_counters = (uint32_t *)old_data.dptr;
88 /* check that all the counters are monotonic increasing */
89 for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
90 if (counters[i] < old_counters[i]) {
91 printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n",
92 getpid(), i, old_counters[i], counters[i]);
98 if (old_data.dsize != data.dsize) {
99 old_data.dsize = data.dsize;
100 old_data.dptr = (unsigned char*)talloc_realloc_size(db, old_data.dptr, old_data.dsize);
103 memcpy(old_data.dptr, data.dptr, data.dsize);
104 if (verbose) print_counters();
110 static void do_sleep(unsigned int sec)
118 for (i=0; i<sec; i++) {
119 if (verbose) printf(".");
123 if (verbose) printf("\n");
126 static void test_store_records(struct db_context *db, struct tevent_context *ev)
130 TALLOC_CTX *tmp_ctx = talloc_stackframe();
131 struct timeval start;
133 key = string_term_tdb_data("testkey");
135 start = timeval_current();
136 while ((timelimit == 0) || (timeval_elapsed(&start) < timelimit)) {
137 struct db_record *rec;
144 if (verbose) DEBUG(1, ("starting transaction\n"));
145 ret = dbwrap_transaction_start(db);
147 DEBUG(0, ("Failed to start transaction on node "
151 if (verbose) DEBUG(1, ("transaction started\n"));
152 do_sleep(torture_delay);
155 if (verbose) DEBUG(1, ("calling fetch_lock\n"));
156 rec = dbwrap_fetch_locked(db, tmp_ctx, key);
158 DEBUG(0, ("Failed to fetch record\n"));
161 if (verbose) DEBUG(1, ("fetched record ok\n"));
162 do_sleep(torture_delay);
163 value = dbwrap_record_get_value(rec);
165 data.dsize = MAX(value.dsize, sizeof(uint32_t) * (pnn+1));
166 data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx,
168 if (data.dptr == NULL) {
169 DEBUG(0, ("Failed to allocate data\n"));
172 memcpy(data.dptr, value.dptr, value.dsize);
174 counters = (uint32_t *)data.dptr;
176 /* bump our counter */
179 if (verbose) DEBUG(1, ("storing data\n"));
180 status = dbwrap_record_store(rec, data, TDB_REPLACE);
181 if (!NT_STATUS_IS_OK(status)) {
182 DEBUG(0, ("Failed to store record\n"));
184 ret = dbwrap_transaction_cancel(db);
186 DEBUG(0, ("Error cancelling transaction.\n"));
192 if (verbose) DEBUG(1, ("stored data ok\n"));
193 do_sleep(torture_delay);
196 if (verbose) DEBUG(1, ("calling transaction_commit\n"));
197 ret = dbwrap_transaction_commit(db);
199 DEBUG(0, ("Failed to commit transaction\n"));
202 if (verbose) DEBUG(1, ("transaction committed\n"));
205 /* store the counters and verify that they are sane */
206 if (verbose || (pnn == 0)) {
207 if (!check_counters(db, data)) {
211 talloc_free(data.dptr);
213 do_sleep(torture_delay);
222 talloc_free(tmp_ctx);
229 int main(int argc, const char *argv[])
232 struct tevent_context *ev_ctx;
233 struct messaging_context *msg_ctx;
234 struct db_context *db;
236 int unsafe_writes = 0;
237 struct poptOption popt_options[] = {
240 { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "INTEGER" },
241 { "delay", 'D', POPT_ARG_INT, &torture_delay, 0, "delay (in seconds) between operations", "INTEGER" },
242 { "verbose", 'v', POPT_ARG_NONE, &verbose, 0, "switch on verbose mode", NULL },
243 { "db-name", 'N', POPT_ARG_STRING, &db_name, 0, "name of the test db", "NAME" },
244 { "no-trans", 'n', POPT_ARG_NONE, &no_trans, 0, "use fetch_lock/record store instead of transactions", NULL },
245 { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
249 const char **extra_argv;
256 mem_ctx = talloc_stackframe();
259 setbuf(stdout, (char *)NULL); /* don't buffer */
266 setup_logging(argv[0], DEBUG_STDERR);
267 lp_set_cmdline("log level", "0");
269 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
271 while ((opt = poptGetNextOpt(pc)) != -1) {
274 fprintf(stderr, "Invalid option %s: %s\n",
275 poptBadOption(pc, 0), poptStrerror(opt));
280 /* setup the remaining options for the main program to use */
281 extra_argv = poptGetArgs(pc);
284 while (extra_argv[extra_argc]) extra_argc++;
287 lp_load_global(get_dyn_CONFIGFILE());
289 ev_ctx = tevent_context_init(mem_ctx);
290 if (ev_ctx == NULL) {
291 d_fprintf(stderr, "ERROR: could not init event context\n");
295 msg_ctx = messaging_init(mem_ctx, ev_ctx);
296 if (msg_ctx == NULL) {
297 d_fprintf(stderr, "ERROR: could not init messaging context\n");
301 if (unsafe_writes == 1) {
302 tdb_flags = TDB_NOSYNC;
304 tdb_flags = TDB_DEFAULT;
308 tdb_flags |= TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH;
311 db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644,
312 DBWRAP_LOCK_ORDER_1);
315 d_fprintf(stderr, "failed to open db '%s': %s\n", db_name,
320 if (get_my_vnn() == NONCLUSTER_VNN) {
325 printf("Starting test on node %u. running for %u seconds. "
326 "sleep delay: %u seconds.\n", pnn, timelimit, torture_delay);
328 if (!verbose && (pnn == 0)) {
329 tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db);
332 test_store_records(db, ev_ctx);
334 if (verbose || (pnn == 0)) {
335 if (success != true) {
336 printf("The test FAILED\n");
339 printf("SUCCESS!\n");
345 talloc_free(mem_ctx);