--- /dev/null
+/*
+ simple tool to test persistent databases
+
+ Copyright (C) Andrew Tridgell 2006-2007
+ Copyright (c) Ronnie sahlberg 2007
+
+ 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"
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+#include "cmdline.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+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));
+}
+
+static int timelimit = 10;
+
+static unsigned int pnn;
+
+static TDB_DATA old_data;
+
+static int success = true;
+
+static void each_second(struct event_context *ev, struct timed_event *te,
+ struct timeval t, void *private_data)
+{
+ struct ctdb_context *ctdb = talloc_get_type(private_data, struct ctdb_context);
+ 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");
+
+ event_add_timed(ev, ctdb, timeval_current_ofs(1, 0), each_second, ctdb);
+}
+
+static void check_counters(struct ctdb_context *ctdb, 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;
+ }
+ }
+
+ if (old_data.dsize != data.dsize) {
+ old_data.dsize = data.dsize;
+ old_data.dptr = talloc_realloc_size(ctdb, old_data.dptr, old_data.dsize);
+ }
+
+ memcpy(old_data.dptr, data.dptr, data.dsize);
+}
+
+
+
+static void test_store_records(struct ctdb_context *ctdb, struct event_context *ev)
+{
+ TDB_DATA key;
+ struct ctdb_db_context *ctdb_db;
+ int ret;
+ uint32_t *counters;
+ ctdb_db = ctdb_db_handle(ctdb, "transaction.tdb");
+
+ key.dptr = discard_const("testkey");
+ key.dsize = strlen((const char *)key.dptr)+1;
+
+ start_timer();
+ while (end_timer() < timelimit) {
+ TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
+ TDB_DATA data;
+
+ struct ctdb_transaction_handle *h;
+ h = ctdb_transaction_start(ctdb_db, tmp_ctx);
+ if (h == NULL) {
+ printf("Failed to start transaction on node %d\n",
+ ctdb_get_pnn(ctdb));
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ ret = ctdb_transaction_fetch(h, tmp_ctx, key, &data);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR,("Failed to fetch record\n"));
+ exit(1);
+ }
+
+ if (data.dsize < sizeof(uint32_t) * (pnn+1)) {
+ unsigned char *ptr = data.dptr;
+
+ data.dptr = talloc_zero_size(tmp_ctx, sizeof(uint32_t) * (pnn+1));
+ memcpy(data.dptr, ptr, data.dsize);
+ talloc_free(ptr);
+
+ data.dsize = sizeof(uint32_t) * (pnn+1);
+ }
+
+ if (data.dptr == NULL) {
+ printf("Failed to realloc array\n");
+ talloc_free(tmp_ctx);
+ return;
+ }
+
+ counters = (uint32_t *)data.dptr;
+
+ /* bump our counter */
+ counters[pnn]++;
+
+ ret = ctdb_transaction_store(h, key, data);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR,("Failed to store record\n"));
+ exit(1);
+ }
+
+ ret = ctdb_transaction_commit(h);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR,("Failed to commit transaction\n"));
+ exit(1);
+ }
+
+ /* store the counters and verify that they are sane */
+ if (pnn == 0) {
+ check_counters(ctdb, data);
+ }
+
+ talloc_free(tmp_ctx);
+ }
+
+}
+
+/*
+ main program
+*/
+int main(int argc, const char *argv[])
+{
+ struct ctdb_context *ctdb;
+ struct ctdb_db_context *ctdb_db;
+ int unsafe_writes = 0;
+ struct poptOption popt_options[] = {
+ POPT_AUTOHELP
+ POPT_CTDB_CMDLINE
+ { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
+ { "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;
+ struct event_context *ev;
+
+ setlinebuf(stdout);
+
+ 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));
+ exit(1);
+ }
+ }
+
+ /* 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++;
+ }
+
+ ev = event_context_init(NULL);
+
+ ctdb = ctdb_cmdline_client(ev);
+ if (ctdb == NULL) {
+ printf("Could not attach to daemon\n");
+ return 1;
+ }
+
+ /* attach to a specific database */
+ if (unsafe_writes == 1) {
+ ctdb_db = ctdb_attach(ctdb, "transaction.tdb", true, TDB_NOSYNC);
+ } else {
+ ctdb_db = ctdb_attach(ctdb, "transaction.tdb", true, 0);
+ }
+
+ if (!ctdb_db) {
+ printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
+ exit(1);
+ }
+
+ printf("Waiting for cluster\n");
+ while (1) {
+ uint32_t recmode=1;
+ ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
+ if (recmode == 0) break;
+ event_loop_once(ev);
+ }
+
+ pnn = ctdb_get_pnn(ctdb);
+ printf("Starting test on node %u. running for %u seconds\n", pnn, timelimit);
+
+ if (pnn == 0) {
+ event_add_timed(ev, ctdb, timeval_current_ofs(1, 0), each_second, ctdb);
+ }
+
+ test_store_records(ctdb, ev);
+
+ if (pnn == 0) {
+ if (success != true) {
+ printf("The test FAILED\n");
+ return 1;
+ } else {
+ printf("SUCCESS!\n");
+ }
+ }
+ return 0;
+}
git.samba.org / tridge / ctdb.git / commitdiff