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/*
simple ctdb benchmark
This test just fetch_locks a record and releases it in a loop.
Copyright (C) Ronnie Sahlberg 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 "replace.h"
#include "system/filesys.h"
#include "system/network.h"
#include <popt.h>
#include <talloc.h>
#include <tevent.h>
#include <tdb.h>
#include "lib/util/time.h"
#include "ctdb_private.h"
#include "ctdb_client.h"
#include "common/cmdline.h"
#include "common/common.h"
static int timelimit = 10;
static int lock_count = 0;
static struct ctdb_db_context *ctdb_db;
#define TESTKEY "testkey"
static void alarm_handler(int sig)
{
printf("Locks:%d\n", lock_count);
lock_count=0;
timelimit--;
if (timelimit <= 0) {
exit(0);
}
alarm(1);
}
/*
Just try locking/unlocking the same record over and over
*/
static void bench_fetch_one_loop(struct ctdb_context *ctdb,
struct tevent_context *ev)
{
TDB_DATA key, data;
key.dptr = discard_const(TESTKEY);
key.dsize = strlen(TESTKEY);
while (1) {
TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
struct ctdb_record_handle *h;
h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
if (h == NULL) {
printf("Failed to fetch record '%s' on node %d\n",
(const char *)key.dptr, ctdb_get_pnn(ctdb));
talloc_free(tmp_ctx);
continue;
}
talloc_free(tmp_ctx);
lock_count++;
}
}
/*
main program
*/
int main(int argc, const char *argv[])
{
struct ctdb_context *ctdb;
struct poptOption popt_options[] = {
POPT_AUTOHELP
POPT_CTDB_CMDLINE
{ "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
POPT_TABLEEND
};
int opt;
const char **extra_argv;
int extra_argc = 0;
poptContext pc;
struct tevent_context *ev;
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 = tevent_context_init(NULL);
ctdb = ctdb_cmdline_client(ev, timeval_current_ofs(3, 0));
if (ctdb == NULL) {
printf("failed to connect to ctdb daemon.\n");
exit(1);
}
/* attach to a specific database */
ctdb_db = ctdb_attach(ctdb, timeval_current_ofs(2, 0), "test.tdb",
false, 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;
tevent_loop_once(ev);
}
signal(SIGALRM, alarm_handler);
alarm(1);
bench_fetch_one_loop(ctdb, ev);
return 0;
}
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