mirror of
https://github.com/samba-team/samba.git
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342 lines
7.9 KiB
C
342 lines
7.9 KiB
C
/*
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Samba Linux/Unix CIFS implementation
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simple tool to test persistent databases
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Copyright (C) Michael Adam 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#if 0
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#include "lib/events/events.h"
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#include "system/filesys.h"
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#include "popt.h"
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#include "cmdline.h"
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#include <sys/time.h>
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#include <time.h>
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#endif
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extern bool AllowDebugChange;
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#define DEFAULT_DB_NAME "transaction.tdb"
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static int timelimit = 10;
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static int torture_delay = 0;
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static int verbose = 0;
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static int no_trans = 0;
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static char *db_name = (char *)discard_const(DEFAULT_DB_NAME);
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static unsigned int pnn;
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static TDB_DATA old_data;
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static int success = true;
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static void print_counters(void)
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{
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int i;
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uint32_t *old_counters;
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printf("[%4u] Counters: ", getpid());
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old_counters = (uint32_t *)old_data.dptr;
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for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
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printf("%6u ", old_counters[i]);
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}
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printf("\n");
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}
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static void each_second(struct tevent_context *ev,
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struct tevent_timer *te,
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struct timeval t,
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void *private_data)
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{
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struct db_context *db = talloc_get_type(private_data, struct db_context);
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print_counters();
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tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db);
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}
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static bool check_counters(struct db_context *db, TDB_DATA data)
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{
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int i;
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uint32_t *counters, *old_counters;
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counters = (uint32_t *)data.dptr;
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old_counters = (uint32_t *)old_data.dptr;
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/* check that all the counters are monotonic increasing */
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for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
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if (counters[i] < old_counters[i]) {
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printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n",
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getpid(), i, old_counters[i], counters[i]);
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success = false;
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return false;
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}
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}
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if (old_data.dsize != data.dsize) {
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old_data.dsize = data.dsize;
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old_data.dptr = (unsigned char*)talloc_realloc_size(db, old_data.dptr, old_data.dsize);
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}
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memcpy(old_data.dptr, data.dptr, data.dsize);
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if (verbose) print_counters();
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return true;
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}
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static void do_sleep(unsigned int sec)
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{
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unsigned int i;
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if (sec == 0) {
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return;
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}
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for (i=0; i<sec; i++) {
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if (verbose) printf(".");
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sleep(1);
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}
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if (verbose) printf("\n");
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}
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static void test_store_records(struct db_context *db, struct tevent_context *ev)
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{
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TDB_DATA key;
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uint32_t *counters;
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TALLOC_CTX *tmp_ctx = talloc_stackframe();
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struct timeval start;
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key.dptr = (unsigned char *)discard_const("testkey");
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key.dsize = strlen((const char *)key.dptr)+1;
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start = timeval_current();
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while ((timelimit == 0) || (timeval_elapsed(&start) < timelimit)) {
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struct db_record *rec;
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TDB_DATA data;
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int ret;
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NTSTATUS status;
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if (!no_trans) {
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if (verbose) DEBUG(1, ("starting transaction\n"));
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ret = db->transaction_start(db);
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if (ret != 0) {
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DEBUG(0, ("Failed to start transaction on node "
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"%d\n", pnn));
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goto fail;
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}
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if (verbose) DEBUG(1, ("transaction started\n"));
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do_sleep(torture_delay);
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}
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if (verbose) DEBUG(1, ("calling fetch_lock\n"));
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rec = db->fetch_locked(db, tmp_ctx, key);
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if (rec == NULL) {
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DEBUG(0, ("Failed to fetch record\n"));
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goto fail;
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}
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if (verbose) DEBUG(1, ("fetched record ok\n"));
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do_sleep(torture_delay);
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data.dsize = MAX(rec->value.dsize, sizeof(uint32_t) * (pnn+1));
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data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx,
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data.dsize);
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if (data.dptr == NULL) {
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DEBUG(0, ("Failed to allocate data\n"));
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goto fail;
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}
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memcpy(data.dptr, rec->value.dptr,rec->value.dsize);
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counters = (uint32_t *)data.dptr;
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/* bump our counter */
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counters[pnn]++;
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if (verbose) DEBUG(1, ("storing data\n"));
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status = rec->store(rec, data, TDB_REPLACE);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, ("Failed to store record\n"));
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if (!no_trans) {
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ret = db->transaction_cancel(db);
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if (ret != 0) {
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DEBUG(0, ("Error cancelling transaction.\n"));
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}
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}
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goto fail;
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}
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talloc_free(rec);
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if (verbose) DEBUG(1, ("stored data ok\n"));
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do_sleep(torture_delay);
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if (!no_trans) {
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if (verbose) DEBUG(1, ("calling transaction_commit\n"));
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ret = db->transaction_commit(db);
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if (ret != 0) {
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DEBUG(0, ("Failed to commit transaction\n"));
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goto fail;
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}
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if (verbose) DEBUG(1, ("transaction committed\n"));
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}
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/* store the counters and verify that they are sane */
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if (verbose || (pnn == 0)) {
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if (!check_counters(db, data)) {
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goto fail;
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}
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}
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talloc_free(data.dptr);
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do_sleep(torture_delay);
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}
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goto done;
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fail:
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success = false;
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done:
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talloc_free(tmp_ctx);
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return;
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}
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/*
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main program
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*/
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int main(int argc, const char *argv[])
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{
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TALLOC_CTX *mem_ctx;
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struct tevent_context *ev_ctx;
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struct messaging_context *msg_ctx;
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struct db_context *db;
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int unsafe_writes = 0;
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struct poptOption popt_options[] = {
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POPT_AUTOHELP
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POPT_COMMON_SAMBA
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{ "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "INTEGER" },
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{ "delay", 'D', POPT_ARG_INT, &torture_delay, 0, "delay (in seconds) between operations", "INTEGER" },
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{ "verbose", 'v', POPT_ARG_NONE, &verbose, 0, "switch on verbose mode", NULL },
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{ "db-name", 'N', POPT_ARG_STRING, &db_name, 0, "name of the test db", "NAME" },
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{ "no-trans", 'n', POPT_ARG_NONE, &no_trans, 0, "use fetch_lock/record store instead of transactions", NULL },
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{ "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
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POPT_TABLEEND
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};
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int opt;
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const char **extra_argv;
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int extra_argc = 0;
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poptContext pc;
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int tdb_flags;
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int ret = 1;
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mem_ctx = talloc_stackframe();
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if (verbose) {
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setbuf(stdout, (char *)NULL); /* don't buffer */
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} else {
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setlinebuf(stdout);
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}
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DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
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pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
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while ((opt = poptGetNextOpt(pc)) != -1) {
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switch (opt) {
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default:
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fprintf(stderr, "Invalid option %s: %s\n",
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poptBadOption(pc, 0), poptStrerror(opt));
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goto done;
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}
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}
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/* setup the remaining options for the main program to use */
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extra_argv = poptGetArgs(pc);
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if (extra_argv) {
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extra_argv++;
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while (extra_argv[extra_argc]) extra_argc++;
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}
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load_case_tables();
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dbf = x_stderr;
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AllowDebugChange = false;
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lp_load(get_dyn_CONFIGFILE(), true, false, false, true);
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ev_ctx = tevent_context_init(mem_ctx);
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if (ev_ctx == NULL) {
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d_fprintf(stderr, "ERROR: could not init event context\n");
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goto done;
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}
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msg_ctx = messaging_init(mem_ctx, procid_self(), ev_ctx);
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if (msg_ctx == NULL) {
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d_fprintf(stderr, "ERROR: could not init messaging context\n");
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goto done;
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}
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if (unsafe_writes == 1) {
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tdb_flags = TDB_NOSYNC;
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} else {
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tdb_flags = TDB_DEFAULT;
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}
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if (no_trans) {
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tdb_flags |= TDB_CLEAR_IF_FIRST;
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}
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db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644);
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if (db == NULL) {
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d_fprintf(stderr, "failed to open db '%s': %s\n", db_name,
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strerror(errno));
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goto done;
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}
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if (get_my_vnn() == NONCLUSTER_VNN) {
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set_my_vnn(0);
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}
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pnn = get_my_vnn();
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printf("Starting test on node %u. running for %u seconds. "
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"sleep delay: %u seconds.\n", pnn, timelimit, torture_delay);
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if (!verbose && (pnn == 0)) {
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tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db);
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}
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test_store_records(db, ev_ctx);
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if (verbose || (pnn == 0)) {
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if (success != true) {
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printf("The test FAILED\n");
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ret = 2;
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} else {
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printf("SUCCESS!\n");
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ret = 0;
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}
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}
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done:
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talloc_free(mem_ctx);
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return ret;
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}
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