--- /dev/null
+/*
+ Samba Linux/Unix CIFS implementation
+
+ simple tool to test persistent databases
+
+ Copyright (C) Michael Adam 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+#if 0
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+#include "cmdline.h"
+
+#include <sys/time.h>
+#include <time.h>
+#endif
+
+extern bool AllowDebugChange;
+
+static struct timeval tp1,tp2;
+
+static void start_timer(void)
+{
+ gettimeofday(&tp1,NULL);
+}
+
+static double end_timer(void)
+{
+ gettimeofday(&tp2,NULL);
+ return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
+ (tp1.tv_sec + (tp1.tv_usec*1.0e-6));
+}
+
+#define DEFAULT_DB_NAME "transaction.tdb"
+
+static int timelimit = 10;
+static int delay = 0;
+static int verbose = 0;
+static int no_trans = 0;
+static char *db_name = (char *)discard_const(DEFAULT_DB_NAME);
+
+
+static unsigned int pnn;
+
+static TDB_DATA old_data;
+
+static int success = true;
+
+static void print_counters(void)
+{
+ int i;
+ uint32_t *old_counters;
+
+ printf("[%4u] Counters: ", getpid());
+ old_counters = (uint32_t *)old_data.dptr;
+ for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
+ printf("%6u ", old_counters[i]);
+ }
+ printf("\n");
+}
+
+static void each_second(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval t,
+ void *private_data)
+{
+ struct db_context *db = talloc_get_type(private_data, struct db_context);
+
+ print_counters();
+
+ tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db);
+}
+
+static bool check_counters(struct db_context *db, TDB_DATA data)
+{
+ int i;
+ uint32_t *counters, *old_counters;
+
+ counters = (uint32_t *)data.dptr;
+ old_counters = (uint32_t *)old_data.dptr;
+
+ /* check that all the counters are monotonic increasing */
+ for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) {
+ if (counters[i] < old_counters[i]) {
+ printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n",
+ getpid(), i, old_counters[i], counters[i]);
+ success = false;
+ return false;
+ }
+ }
+
+ if (old_data.dsize != data.dsize) {
+ old_data.dsize = data.dsize;
+ old_data.dptr = (unsigned char*)talloc_realloc_size(db, old_data.dptr, old_data.dsize);
+ }
+
+ memcpy(old_data.dptr, data.dptr, data.dsize);
+ if (verbose) print_counters();
+
+ return true;
+}
+
+
+static void do_sleep(unsigned int sec)
+{
+ unsigned int i;
+
+ if (sec == 0) {
+ return;
+ }
+
+ for (i=0; i<sec; i++) {
+ if (verbose) printf(".");
+ sleep(1);
+ }
+
+ if (verbose) printf("\n");
+}
+
+static void test_store_records(struct db_context *db, struct tevent_context *ev)
+{
+ TDB_DATA key;
+ uint32_t *counters;
+ TALLOC_CTX *tmp_ctx = talloc_stackframe();
+
+ key.dptr = (unsigned char *)discard_const("testkey");
+ key.dsize = strlen((const char *)key.dptr)+1;
+
+ start_timer();
+ while ((timelimit == 0) || (end_timer() < timelimit)) {
+ struct db_record *rec;
+ TDB_DATA data;
+ int ret;
+ NTSTATUS status;
+
+ if (!no_trans) {
+ if (verbose) DEBUG(1, ("starting transaction\n"));
+ ret = db->transaction_start(db);
+ if (ret != 0) {
+ DEBUG(0, ("Failed to start transaction on node "
+ "%d\n", pnn));
+ goto fail;
+ }
+ if (verbose) DEBUG(1, ("transaction started\n"));
+ do_sleep(delay);
+ }
+
+ if (verbose) DEBUG(1, ("calling fetch_lock\n"));
+ rec = db->fetch_locked(db, tmp_ctx, key);
+ if (rec == NULL) {
+ DEBUG(0, ("Failed to fetch record\n"));
+ goto fail;
+ }
+ if (verbose) DEBUG(1, ("fetched record ok\n"));
+ do_sleep(delay);
+
+ data.dsize = MAX(rec->value.dsize, sizeof(uint32_t) * (pnn+1));
+ data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx,
+ data.dsize);
+ if (data.dptr == NULL) {
+ DEBUG(0, ("Failed to allocate data\n"));
+ goto fail;
+ }
+ memcpy(data.dptr, rec->value.dptr,rec->value.dsize);
+
+ counters = (uint32_t *)data.dptr;
+
+ /* bump our counter */
+ counters[pnn]++;
+
+ if (verbose) DEBUG(1, ("storing data\n"));
+ status = rec->store(rec, data, TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to store record\n"));
+ if (!no_trans) {
+ ret = db->transaction_cancel(db);
+ if (ret != 0) {
+ DEBUG(0, ("Error cancelling transaction.\n"));
+ }
+ }
+ goto fail;
+ }
+ talloc_free(rec);
+ if (verbose) DEBUG(1, ("stored data ok\n"));
+ do_sleep(delay);
+
+ if (!no_trans) {
+ if (verbose) DEBUG(1, ("calling transaction_commit\n"));
+ ret = db->transaction_commit(db);
+ if (ret != 0) {
+ DEBUG(0, ("Failed to commit transaction\n"));
+ goto fail;
+ }
+ if (verbose) DEBUG(1, ("transaction committed\n"));
+ }
+
+ /* store the counters and verify that they are sane */
+ if (verbose || (pnn == 0)) {
+ if (!check_counters(db, data)) {
+ goto fail;
+ }
+ }
+ talloc_free(data.dptr);
+
+ do_sleep(delay);
+ }
+
+ goto done;
+
+fail:
+ success = false;
+
+done:
+ talloc_free(tmp_ctx);
+ return;
+}
+
+/*
+ main program
+*/
+int main(int argc, const char *argv[])
+{
+ TALLOC_CTX *mem_ctx;
+ struct tevent_context *ev_ctx;
+ struct messaging_context *msg_ctx;
+ struct db_context *db;
+
+ int unsafe_writes = 0;
+ struct poptOption popt_options[] = {
+ POPT_AUTOHELP
+ POPT_COMMON_SAMBA
+ { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "INTEGER" },
+ { "delay", 'D', POPT_ARG_INT, &delay, 0, "delay (in seconds) between operations", "INTEGER" },
+ { "verbose", 'v', POPT_ARG_NONE, &verbose, 0, "switch on verbose mode", NULL },
+ { "db-name", 'N', POPT_ARG_STRING, &db_name, 0, "name of the test db", "NAME" },
+ { "no-trans", 'n', POPT_ARG_NONE, &no_trans, 0, "use fetch_lock/record store instead of transactions", NULL },
+ { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
+ POPT_TABLEEND
+ };
+ int opt;
+ const char **extra_argv;
+ int extra_argc = 0;
+ poptContext pc;
+ int tdb_flags;
+
+ int ret = 1;
+
+ mem_ctx = talloc_stackframe();
+
+ if (verbose) {
+ setbuf(stdout, (char *)NULL); /* don't buffer */
+ } else {
+ setlinebuf(stdout);
+ }
+
+ DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
+
+ pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ default:
+ fprintf(stderr, "Invalid option %s: %s\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ goto done;
+ }
+ }
+
+ /* setup the remaining options for the main program to use */
+ extra_argv = poptGetArgs(pc);
+ if (extra_argv) {
+ extra_argv++;
+ while (extra_argv[extra_argc]) extra_argc++;
+ }
+
+ load_case_tables();
+ dbf = x_stderr;
+ AllowDebugChange = false;
+ lp_load(get_dyn_CONFIGFILE(), true, false, false, true);
+
+ ev_ctx = tevent_context_init(mem_ctx);
+ if (ev_ctx == NULL) {
+ d_fprintf(stderr, "ERROR: could not init event context\n");
+ goto done;
+ }
+
+ msg_ctx = messaging_init(mem_ctx, server_id_self(), ev_ctx);
+ if (msg_ctx == NULL) {
+ d_fprintf(stderr, "ERROR: could not init messaging context\n");
+ goto done;
+ }
+
+ if (unsafe_writes == 1) {
+ tdb_flags = TDB_NOSYNC;
+ } else {
+ tdb_flags = TDB_DEFAULT;
+ }
+
+ db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644);
+
+ if (db == NULL) {
+ d_fprintf(stderr, "failed to open db '%s': %s\n", db_name,
+ strerror(errno));
+ goto done;
+ }
+
+ if (get_my_vnn() == NONCLUSTER_VNN) {
+ set_my_vnn(0);
+ }
+ pnn = get_my_vnn();
+
+ printf("Starting test on node %u. running for %u seconds. "
+ "sleep delay: %u seconds.\n", pnn, timelimit, delay);
+
+ if (!verbose && (pnn == 0)) {
+ tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db);
+ }
+
+ test_store_records(db, ev_ctx);
+
+ if (verbose || (pnn == 0)) {
+ if (success != true) {
+ printf("The test FAILED\n");
+ ret = 2;
+ } else {
+ printf("SUCCESS!\n");
+ ret = 0;
+ }
+ }
+
+done:
+ talloc_free(mem_ctx);
+ return ret;
+}
git.samba.org / kai / samba.git / commitdiff