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ctdb-tests: Add torture test for g_lock functions
Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs
Martin Schwenke
parent
f0395deb17
commit
5fe216aa3e
271
ctdb/tests/src/g_lock_loop.c
Normal file
271
ctdb/tests/src/g_lock_loop.c
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@ -0,0 +1,271 @@
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/*
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simple ctdb benchmark for g_lock operations
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Copyright (C) Amitay Isaacs 2016
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/network.h"
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#include "lib/util/tevent_unix.h"
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#include "lib/util/debug.h"
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#include "protocol/protocol_api.h"
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#include "client/client.h"
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#include "tests/src/test_options.h"
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#include "tests/src/cluster_wait.h"
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#define TESTKEY "testkey"
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struct glock_loop_state {
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struct tevent_context *ev;
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struct ctdb_client_context *client;
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struct ctdb_db_context *db;
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int num_nodes;
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int timelimit;
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uint32_t pnn;
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uint32_t counter;
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struct ctdb_server_id sid;
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const char *key;
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};
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static void glock_loop_start(struct tevent_req *subreq);
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static void glock_loop_locked(struct tevent_req *subreq);
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static void glock_loop_unlocked(struct tevent_req *subreq);
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static void glock_loop_finish(struct tevent_req *subreq);
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static struct tevent_req *glock_loop_send(
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TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct ctdb_client_context *client,
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struct ctdb_db_context *db,
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int num_nodes, int timelimit)
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{
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struct tevent_req *req, *subreq;
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struct glock_loop_state *state;
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req = tevent_req_create(mem_ctx, &state,
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struct glock_loop_state);
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if (req == NULL) {
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return NULL;
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}
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state->ev = ev;
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state->client = client;
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state->db = db;
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state->num_nodes = num_nodes;
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state->timelimit = timelimit;
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state->pnn = ctdb_client_pnn(client);
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state->counter = 0;
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state->sid = ctdb_client_get_server_id(client, 1);
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state->key = TESTKEY;
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subreq = cluster_wait_send(state, state->ev, state->client,
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state->num_nodes);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, glock_loop_start, req);
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return req;
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}
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static void glock_loop_start(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct glock_loop_state *state = tevent_req_data(
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req, struct glock_loop_state);
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bool status;
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int ret;
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status = cluster_wait_recv(subreq, &ret);
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TALLOC_FREE(subreq);
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if (! status) {
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tevent_req_error(req, ret);
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return;
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}
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subreq = ctdb_g_lock_lock_send(state, state->ev, state->client,
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state->db, state->key, &state->sid,
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false);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, glock_loop_locked, req);
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subreq = tevent_wakeup_send(state, state->ev,
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tevent_timeval_current_ofs(
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state->timelimit, 0));
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, glock_loop_finish, req);
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}
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static void glock_loop_locked(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct glock_loop_state *state = tevent_req_data(
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req, struct glock_loop_state);
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int ret;
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bool status;
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status = ctdb_g_lock_lock_recv(subreq, &ret);
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TALLOC_FREE(subreq);
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if (! status) {
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fprintf(stderr, "g_lock_lock failed\n");
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tevent_req_error(req, ret);
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return;
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}
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state->counter += 1;
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subreq = ctdb_g_lock_unlock_send(state, state->ev, state->client,
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state->db, state->key, state->sid);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, glock_loop_unlocked, req);
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}
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static void glock_loop_unlocked(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct glock_loop_state *state = tevent_req_data(
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req, struct glock_loop_state);
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int ret;
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bool status;
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status = ctdb_g_lock_unlock_recv(subreq, &ret);
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TALLOC_FREE(subreq);
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if (! status) {
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fprintf(stderr, "g_lock_unlock failed\n");
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tevent_req_error(req, ret);
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return;
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}
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subreq = ctdb_g_lock_lock_send(state, state->ev, state->client,
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state->db, state->key, &state->sid,
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false);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, glock_loop_locked, req);
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}
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static void glock_loop_finish(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct glock_loop_state *state = tevent_req_data(
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req, struct glock_loop_state);
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bool status;
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status = tevent_wakeup_recv(subreq);
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TALLOC_FREE(subreq);
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if (! status) {
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tevent_req_error(req, EIO);
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return;
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}
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printf("PNN:%u counter:%u\n", state->pnn, state->counter);
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tevent_req_done(req);
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}
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static bool glock_loop_recv(struct tevent_req *req, int *perr)
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{
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int err;
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if (tevent_req_is_unix_error(req, &err)) {
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if (perr != NULL) {
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*perr = err;
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}
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return false;
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}
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return true;
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}
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int main(int argc, const char *argv[])
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{
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const struct test_options *opts;
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TALLOC_CTX *mem_ctx;
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struct tevent_context *ev;
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struct ctdb_client_context *client;
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struct ctdb_db_context *ctdb_db;
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struct tevent_req *req;
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int ret;
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bool status;
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status = process_options_basic(argc, argv, &opts);
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if (! status) {
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exit(1);
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}
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mem_ctx = talloc_new(NULL);
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if (mem_ctx == NULL) {
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fprintf(stderr, "Memory allocation error\n");
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exit(1);
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}
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ev = tevent_context_init(mem_ctx);
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if (ev == NULL) {
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fprintf(stderr, "Memory allocation error\n");
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exit(1);
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}
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setup_logging("glock_loop", DEBUG_STDERR);
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ret = ctdb_client_init(mem_ctx, ev, opts->socket, &client);
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if (ret != 0) {
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fprintf(stderr, "Failed to initialize client, %s\n",
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strerror(ret));
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exit(1);
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}
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if (! ctdb_recovery_wait(ev, client)) {
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fprintf(stderr, "Memory allocation error\n");
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exit(1);
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}
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ret = ctdb_attach(ev, client, tevent_timeval_zero(), "g_lock.tdb",
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0, &ctdb_db);
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if (ret != 0) {
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fprintf(stderr, "Failed to attach to g_lock.tdb\n");
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exit(1);
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}
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req = glock_loop_send(mem_ctx, ev, client, ctdb_db,
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opts->num_nodes, opts->timelimit);
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if (req == NULL) {
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fprintf(stderr, "Memory allocation error\n");
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exit(1);
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}
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tevent_req_poll(req, ev);
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status = glock_loop_recv(req, &ret);
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if (! status) {
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fprintf(stderr, "g_lock loop test failed\n");
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exit(1);
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}
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talloc_free(mem_ctx);
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return 0;
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}
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14
ctdb/wscript
14
ctdb/wscript
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includes='include',
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deps='replace popt talloc tevent tdb')
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ctdb_tests = [
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'g_lock_loop'
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]
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for target in ctdb_tests:
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src = 'tests/src/' + target + '.c'
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bld.SAMBA_BINARY(target,
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source=src,
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includes='include',
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deps='''ctdb-client2 ctdb-protocol ctdb-util
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samba-util ctdb-tests-common''',
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install_path='${CTDB_TEST_LIBDIR}')
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bld.SAMBA_BINARY('ctdb_takeover_tests',
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source='tests/src/ctdb_takeover_tests.c',
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deps='''replace popt tdb tevent talloc ctdb-system
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