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/*
simple ctdb test tool
This test just fetch_locks a record and releases it once.
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 "includes.h"
#include "system/filesys.h"
#include "popt.h"
#include <poll.h>
const char *TESTKEY = "testkey";
/*
Just try locking/unlocking a single record once
*/
static void fetch_readonly_once(struct ctdb_context *ctdb, struct ctdb_db_context *ctdb_db, TDB_DATA key)
{
TDB_DATA data;
struct ctdb_record_handle *h;
printf("Trying to readonly fetch lock the record ...\n");
h = ctdb_fetch_readonly_lock(ctdb_db, ctdb, key, &data, 1);
if (h == NULL) {
fprintf(stderr, "Failed to get readonly lock\n");
exit(1);
}
talloc_free(h);
printf("Record released.\n");
}
/*
main program
*/
int main(int argc, const char *argv[])
{
struct ctdb_context *ctdb;
struct ctdb_db_context *ctdb_db;
struct event_context *ev;
TDB_DATA key;
struct poptOption popt_options[] = {
POPT_AUTOHELP
{ "record", 'r', POPT_ARG_STRING, &TESTKEY, 0, "record", "string" },
POPT_TABLEEND
};
int opt;
const char **extra_argv;
int extra_argc = 0;
poptContext pc;
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, timeval_current_ofs(3, 0));
if (ctdb == NULL) {
printf("failed to connect to ctdb daemon.\n");
exit(1);
}
key.dptr = discard_const(TESTKEY);
key.dsize = strlen(TESTKEY);
/* attach to a specific database */
ctdb_db = ctdb_attach(ctdb, timeval_current_ofs(3, 0), "test.tdb",
false, 0);
if (!ctdb_db) {
fprintf(stderr, "ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
exit(10);
}
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);
}
fetch_readonly_once(ctdb, ctdb_db, key);
return 0;
}
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