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-rw-r--r--ctdb/tests/src/g_lock_loop.c270
1 files changed, 270 insertions, 0 deletions
diff --git a/ctdb/tests/src/g_lock_loop.c b/ctdb/tests/src/g_lock_loop.c
new file mode 100644
index 0000000..3b84241
--- /dev/null
+++ b/ctdb/tests/src/g_lock_loop.c
@@ -0,0 +1,270 @@
+/*
+ simple ctdb benchmark for g_lock operations
+
+ Copyright (C) Amitay Isaacs 2016
+
+ 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 "lib/util/debug.h"
+
+#include "protocol/protocol_api.h"
+#include "client/client.h"
+#include "tests/src/test_options.h"
+#include "tests/src/cluster_wait.h"
+
+#define TESTKEY "testkey"
+
+struct glock_loop_state {
+ struct tevent_context *ev;
+ struct ctdb_client_context *client;
+ struct ctdb_db_context *db;
+ int num_nodes;
+ int timelimit;
+ uint32_t pnn;
+ uint32_t counter;
+ struct ctdb_server_id sid;
+ const char *key;
+};
+
+static void glock_loop_start(struct tevent_req *subreq);
+static void glock_loop_locked(struct tevent_req *subreq);
+static void glock_loop_unlocked(struct tevent_req *subreq);
+static void glock_loop_finish(struct tevent_req *subreq);
+
+static struct tevent_req *glock_loop_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct ctdb_client_context *client,
+ struct ctdb_db_context *db,
+ int num_nodes, int timelimit)
+{
+ struct tevent_req *req, *subreq;
+ struct glock_loop_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct glock_loop_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->ev = ev;
+ state->client = client;
+ state->db = db;
+ state->num_nodes = num_nodes;
+ state->timelimit = timelimit;
+ state->pnn = ctdb_client_pnn(client);
+ state->counter = 0;
+ state->sid = ctdb_client_get_server_id(client, 1);
+ state->key = TESTKEY;
+
+ subreq = cluster_wait_send(state, state->ev, state->client,
+ state->num_nodes);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, glock_loop_start, req);
+
+ return req;
+}
+
+static void glock_loop_start(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct glock_loop_state *state = tevent_req_data(
+ req, struct glock_loop_state);
+ bool status;
+ int ret;
+
+ status = cluster_wait_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ subreq = ctdb_g_lock_lock_send(state, state->ev, state->client,
+ state->db, state->key, &state->sid,
+ false);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, glock_loop_locked, req);
+
+ subreq = tevent_wakeup_send(state, state->ev,
+ tevent_timeval_current_ofs(
+ state->timelimit, 0));
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, glock_loop_finish, req);
+}
+
+static void glock_loop_locked(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct glock_loop_state *state = tevent_req_data(
+ req, struct glock_loop_state);
+ int ret;
+ bool status;
+
+ status = ctdb_g_lock_lock_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ fprintf(stderr, "g_lock_lock failed\n");
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ state->counter += 1;
+
+ subreq = ctdb_g_lock_unlock_send(state, state->ev, state->client,
+ state->db, state->key, state->sid);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, glock_loop_unlocked, req);
+}
+
+static void glock_loop_unlocked(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct glock_loop_state *state = tevent_req_data(
+ req, struct glock_loop_state);
+ int ret;
+ bool status;
+
+ status = ctdb_g_lock_unlock_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ fprintf(stderr, "g_lock_unlock failed\n");
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ subreq = ctdb_g_lock_lock_send(state, state->ev, state->client,
+ state->db, state->key, &state->sid,
+ false);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, glock_loop_locked, req);
+}
+
+static void glock_loop_finish(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct glock_loop_state *state = tevent_req_data(
+ req, struct glock_loop_state);
+ bool status;
+
+ status = tevent_wakeup_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, EIO);
+ return;
+ }
+
+ printf("PNN:%u counter:%u\n", state->pnn, state->counter);
+
+ tevent_req_done(req);
+}
+
+static bool glock_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;
+}
+
+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;
+ struct tevent_req *req;
+ int ret;
+ bool status;
+
+ setup_logging("glock_loop", DEBUG_STDERR);
+
+ status = process_options_basic(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, ret=%d\n", 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(), "g_lock.tdb",
+ 0, &ctdb_db);
+ if (ret != 0) {
+ fprintf(stderr, "Failed to attach to g_lock.tdb\n");
+ exit(1);
+ }
+
+ req = glock_loop_send(mem_ctx, ev, client, ctdb_db,
+ opts->num_nodes, opts->timelimit);
+ if (req == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ tevent_req_poll(req, ev);
+
+ status = glock_loop_recv(req, &ret);
+ if (! status) {
+ fprintf(stderr, "g_lock loop test failed\n");
+ exit(1);
+ }
+
+ talloc_free(mem_ctx);
+ return 0;
+}
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