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/*
create a lot of random records, both current records and deleted records
Copyright (C) Andrew Tridgell 2008
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 "system/filesys.h"
#include "popt.h"
#include "cmdline.h"
#include "ctdb_private.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 num_records = 10;
static int delete_pct = 75;
static int base_rec;
static void store_records(struct ctdb_context *ctdb, struct tevent_context *ev)
{
TDB_DATA key, data;
struct ctdb_db_context *ctdb_db;
TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
int ret;
struct ctdb_record_handle *h;
uint32_t i=0;
ctdb_db = ctdb_db_handle(ctdb, "test.tdb");
srandom(time(NULL) ^ getpid());
start_timer();
printf("working with %d records\n", num_records);
while (1) {
unsigned r = random() % num_records;
key.dptr = (uint8_t *)&r;
key.dsize = sizeof(r);
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);
return;
}
if (random() % 100 < delete_pct) {
data.dptr = NULL;
data.dsize = 0;
} else {
data.dptr = talloc_zero_size(h, data.dsize + sizeof(r));
data.dsize += sizeof(r);
}
ret = ctdb_record_store(h, data);
if (ret != 0) {
printf("Failed to store record\n");
}
if (data.dptr == NULL && data.dsize == 0) {
struct ctdb_control_schedule_for_deletion *dd;
TDB_DATA indata;
int32_t status;
indata.dsize = offsetof(struct ctdb_control_schedule_for_deletion, key) + key.dsize;
indata.dptr = talloc_zero_array(ctdb, uint8_t, indata.dsize);
if (indata.dptr == NULL) {
printf("out of memory\n");
exit(1);
}
dd = (struct ctdb_control_schedule_for_deletion *)(void *)indata.dptr;
dd->db_id = ctdb_db->db_id;
dd->hdr = *ctdb_header_from_record_handle(h);
dd->keylen = key.dsize;
memcpy(dd->key, key.dptr, key.dsize);
ret = ctdb_control(ctdb,
CTDB_CURRENT_NODE,
ctdb_db->db_id,
CTDB_CONTROL_SCHEDULE_FOR_DELETION,
0, /* flags */
indata,
NULL, /* mem_ctx */
NULL, /* outdata */
&status,
NULL, /* timeout : NULL == wait forever */
NULL); /* error message */
talloc_free(indata.dptr);
if (ret != 0 || status != 0) {
DEBUG(DEBUG_ERR, (__location__ " Error sending "
"SCHEDULE_FOR_DELETION "
"control.\n"));
}
}
talloc_free(h);
if (i % 1000 == 0) {
printf("%7.0f recs/second %u total\r", 1000.0 / end_timer(), i);
fflush(stdout);
start_timer();
}
i++;
}
talloc_free(tmp_ctx);
}
/*
main program
*/
int main(int argc, const char *argv[])
{
struct ctdb_context *ctdb;
struct ctdb_db_context *ctdb_db;
struct poptOption popt_options[] = {
POPT_AUTOHELP
POPT_CTDB_CMDLINE
{ "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
{ "base-rec", 'b', POPT_ARG_INT, &base_rec, 0, "base_rec", "integer" },
{ "delete-pct", 'p', POPT_ARG_INT, &delete_pct, 0, "delete_pct", "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 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);
}
store_records(ctdb, ev);
return 0;
}
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