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ctdb-tests: Add torture test for fetch functions

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Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs 2016-05-05 14:51:07 +10:00 committed by Martin Schwenke
parent b8b6829e2a
commit 3619a76144
2 changed files with 215 additions and 0 deletions
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214
ctdb/tests/src/fetch_loop_key.c Normal file
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@ -0,0 +1,214 @@
/*
simple ctdb benchmark
Copyright (C) Amitay Isaacs 2015
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/network.h"
#include "lib/util/tevent_unix.h"
#include "client/client.h"
#include "tests/src/test_options.h"
#include "tests/src/cluster_wait.h"
struct fetch_loop_state {
struct tevent_context *ev;
struct ctdb_client_context *client;
struct ctdb_db_context *ctdb_db;
int timelimit;
TDB_DATA key;
int locks_count;
};
static void fetch_loop_next(struct tevent_req *subreq);
static struct tevent_req *fetch_loop_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct ctdb_client_context *client,
struct ctdb_db_context *ctdb_db,
const char *keystr,
int timelimit)
{
struct tevent_req *req, *subreq;
struct fetch_loop_state *state;
req = tevent_req_create(mem_ctx, &state, struct fetch_loop_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->client = client;
state->ctdb_db = ctdb_db;
state->timelimit = timelimit;
state->key.dptr = discard_const(keystr);
state->key.dsize = strlen(keystr);
subreq = ctdb_fetch_lock_send(state, ev, client, ctdb_db,
state->key, false);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, fetch_loop_next, req);
return req;
}
static void fetch_loop_next(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct fetch_loop_state *state = tevent_req_data(
req, struct fetch_loop_state);
struct ctdb_record_handle *h;
TDB_DATA data;
int ret;
h = ctdb_fetch_lock_recv(subreq, NULL, state, &data, &ret);
TALLOC_FREE(subreq);
if (h == NULL) {
tevent_req_error(req, ret);
return;
}
if (data.dsize == sizeof(uint32_t)) {
state->locks_count = *(uint32_t *)data.dptr;
}
TALLOC_FREE(data.dptr);
state->locks_count += 1;
data.dsize = sizeof(uint32_t);
data.dptr = (uint8_t *)&state->locks_count;
ret = ctdb_store_record(h, data);
if (ret != 0) {
talloc_free(h);
tevent_req_error(req, ret);
return;
}
talloc_free(h);
subreq = ctdb_fetch_lock_send(state, state->ev, state->client,
state->ctdb_db, state->key, false);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, fetch_loop_next, req);
}
static bool fetch_loop_recv(struct tevent_req *req, int *perr)
{
int err;
if (tevent_req_is_unix_error(req, &err)) {
if (perr != NULL) {
*perr = err;
}
return false;
}
return true;
}
static struct tevent_req *global_req;
static void alarm_handler(int sig)
{
struct fetch_loop_state *state = tevent_req_data(
global_req, struct fetch_loop_state);
static int time_passed = 0;
time_passed += 1;
printf("Locks:%d\n", state->locks_count);
fflush(stdout);
if (time_passed >= state->timelimit) {
tevent_req_done(global_req);
}
alarm(1);
}
int main(int argc, const char *argv[])
{
const struct test_options *opts;
TALLOC_CTX *mem_ctx;
struct tevent_context *ev;
struct ctdb_client_context *client;
struct ctdb_db_context *ctdb_db;
int ret;
bool status;
status = process_options_database(argc, argv, &opts);
if (! status) {
exit(1);
}
mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
fprintf(stderr, "Memory allocation error\n");
exit(1);
}
ev = tevent_context_init(mem_ctx);
if (ev == NULL) {
fprintf(stderr, "Memory allocation error\n");
exit(1);
}
ret = ctdb_client_init(mem_ctx, ev, opts->socket, &client);
if (ret != 0) {
fprintf(stderr, "Failed to initialize client, %s\n",
strerror(ret));
exit(1);
}
if (! ctdb_recovery_wait(ev, client)) {
fprintf(stderr, "Memory allocation error\n");
exit(1);
}
ret = ctdb_attach(ev, client, tevent_timeval_zero(), opts->dbname, 0,
&ctdb_db);
if (ret != 0) {
fprintf(stderr, "Failed to attach to DB %s\n", opts->dbname);
exit(1);
}
global_req = fetch_loop_send(mem_ctx, ev, client, ctdb_db,
opts->keystr, opts->timelimit);
if (global_req == NULL) {
fprintf(stderr, "Memory allocation error\n");
exit(1);
}
signal(SIGALRM, alarm_handler);
alarm(1);
tevent_req_poll(global_req, ev);
status = fetch_loop_recv(global_req, &ret);
if (! status) {
fprintf(stderr, "fetch loop test failed\n");
exit(1);
}
talloc_free(mem_ctx);
return 0;
}

1
ctdb/wscript
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@ -696,6 +696,7 @@ def build(bld):
'message_ring',
'fetch_ring',
'fetch_loop',
'fetch_loop_key',
'fetch_readonly',
'fetch_readonly_loop',
'transaction_loop',