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-rw-r--r--ctdb/tests/src/message_ring.c369
1 files changed, 369 insertions, 0 deletions
diff --git a/ctdb/tests/src/message_ring.c b/ctdb/tests/src/message_ring.c
new file mode 100644
index 0000000..d1fcee4
--- /dev/null
+++ b/ctdb/tests/src/message_ring.c
@@ -0,0 +1,369 @@
+/*
+ simple ctdb benchmark - send messages in a ring around cluster
+
+ 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/debug.h"
+#include "lib/util/time.h"
+#include "lib/util/tevent_unix.h"
+
+#include "client/client.h"
+#include "tests/src/test_options.h"
+#include "tests/src/cluster_wait.h"
+
+#define MSG_ID_BENCH 0
+
+struct message_ring_state {
+ struct tevent_context *ev;
+ struct ctdb_client_context *client;
+ int num_nodes;
+ int timelimit;
+ int interactive;
+ int msg_count;
+ int msg_plus, msg_minus;
+ struct timeval start_time;
+};
+
+static void message_ring_wait(struct tevent_req *subreq);
+static void message_ring_start(struct tevent_req *subreq);
+static void message_ring_each_second(struct tevent_req *subreq);
+static void message_ring_msg_sent(struct tevent_req *subreq);
+static void message_ring_msg_handler(uint64_t srvid, TDB_DATA data,
+ void *private_data);
+static void message_ring_finish(struct tevent_req *subreq);
+
+static struct tevent_req *message_ring_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct ctdb_client_context *client,
+ int num_nodes, int timelimit,
+ int interactive)
+{
+ struct tevent_req *req, *subreq;
+ struct message_ring_state *state;
+
+ req = tevent_req_create(mem_ctx, &state, struct message_ring_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->ev = ev;
+ state->client = client;
+ state->num_nodes = num_nodes;
+ state->timelimit = timelimit;
+ state->interactive = interactive;
+
+ subreq = ctdb_client_set_message_handler_send(
+ state, state->ev, state->client,
+ MSG_ID_BENCH,
+ message_ring_msg_handler, req);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, message_ring_wait, req);
+
+ return req;
+}
+
+static void message_ring_wait(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct message_ring_state *state = tevent_req_data(
+ req, struct message_ring_state);
+ bool status;
+ int ret;
+
+ status = ctdb_client_set_message_handler_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ subreq = cluster_wait_send(state, state->ev, state->client,
+ state->num_nodes);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_start, req);
+}
+
+static void message_ring_start(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct message_ring_state *state = tevent_req_data(
+ req, struct message_ring_state);
+ bool status;
+ int ret;
+
+ status = cluster_wait_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, ret);
+ return;
+ }
+
+ state->start_time = tevent_timeval_current();
+
+ if (ctdb_client_pnn(state->client) == 0) {
+ subreq = tevent_wakeup_send(state, state->ev,
+ tevent_timeval_current_ofs(1, 0));
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_each_second, 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, message_ring_finish, req);
+}
+
+static uint32_t next_node(struct ctdb_client_context *client,
+ int num_nodes, int incr)
+{
+ return (ctdb_client_pnn(client) + num_nodes + incr) % num_nodes;
+}
+
+static void message_ring_each_second(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct message_ring_state *state = tevent_req_data(
+ req, struct message_ring_state);
+ struct ctdb_req_message msg;
+ uint32_t pnn;
+ int incr;
+ bool status;
+
+ status = tevent_wakeup_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, EIO);
+ return;
+ }
+
+ pnn = ctdb_client_pnn(state->client);
+ if (pnn == 0 && state->interactive == 1) {
+ double t;
+
+ t = timeval_elapsed(&state->start_time);
+ printf("Ring[%u]: %.2f msgs/sec (+ve=%d -ve=%d)\n",
+ pnn, state->msg_count / t,
+ state->msg_plus, state->msg_minus);
+ fflush(stdout);
+ }
+
+ if (state->msg_plus == 0) {
+ incr = 1;
+
+ msg.srvid = 0;
+ msg.data.data.dptr = (uint8_t *)&incr;
+ msg.data.data.dsize = sizeof(incr);
+
+ pnn = next_node(state->client, state->num_nodes, incr);
+
+ subreq = ctdb_client_message_send(state, state->ev,
+ state->client, pnn, &msg);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_msg_sent, req);
+ }
+
+ if (state->msg_minus == 0) {
+ incr = -1;
+
+ msg.srvid = 0;
+ msg.data.data.dptr = (uint8_t *)&incr;
+ msg.data.data.dsize = sizeof(incr);
+
+ pnn = next_node(state->client, state->num_nodes, incr);
+
+ subreq = ctdb_client_message_send(state, state->ev,
+ state->client, pnn, &msg);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_msg_sent, req);
+ }
+
+ subreq = tevent_wakeup_send(state, state->ev,
+ tevent_timeval_current_ofs(1, 0));
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_each_second, req);
+}
+
+static void message_ring_msg_sent(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ bool status;
+ int ret;
+
+ status = ctdb_client_message_recv(subreq, &ret);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, ret);
+ }
+}
+
+static void message_ring_msg_handler(uint64_t srvid, TDB_DATA data,
+ void *private_data)
+{
+ struct tevent_req *req = talloc_get_type_abort(
+ private_data, struct tevent_req);
+ struct message_ring_state *state = tevent_req_data(
+ req, struct message_ring_state);
+ struct ctdb_req_message msg;
+ struct tevent_req *subreq;
+ int incr;
+ uint32_t pnn;
+
+ if (srvid != MSG_ID_BENCH) {
+ return;
+ }
+
+ if (data.dsize != sizeof(int)) {
+ return;
+ }
+ incr = *(int *)data.dptr;
+
+ state->msg_count += 1;
+ if (incr == 1) {
+ state->msg_plus += 1;
+ } else {
+ state->msg_minus += 1;
+ }
+
+ pnn = next_node(state->client, state->num_nodes, incr);
+
+ msg.srvid = srvid;
+ msg.data.data = data;
+
+ subreq = ctdb_client_message_send(state, state->ev, state->client,
+ pnn, &msg);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, message_ring_msg_sent, req);
+}
+
+static void message_ring_finish(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct message_ring_state *state = tevent_req_data(
+ req, struct message_ring_state);
+ bool status;
+ double t;
+
+ status = tevent_wakeup_recv(subreq);
+ TALLOC_FREE(subreq);
+ if (! status) {
+ tevent_req_error(req, EIO);
+ return;
+ }
+
+ t = timeval_elapsed(&state->start_time);
+
+ printf("Ring[%u]: %.2f msgs/sec (+ve=%d -ve=%d)\n",
+ ctdb_client_pnn(state->client), state->msg_count / t,
+ state->msg_plus, state->msg_minus);
+
+ tevent_req_done(req);
+}
+
+static bool message_ring_recv(struct tevent_req *req)
+{
+ int ret;
+
+ if (tevent_req_is_unix_error(req, &ret)) {
+ 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 tevent_req *req;
+ int ret;
+ bool status;
+
+ setup_logging("message_ring", 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, "Failed to wait for recovery\n");
+ exit(1);
+ }
+
+ req = message_ring_send(mem_ctx, ev, client,
+ opts->num_nodes, opts->timelimit,
+ opts->interactive);
+ if (req == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ tevent_req_poll(req, ev);
+
+ status = message_ring_recv(req);
+ if (! status) {
+ fprintf(stderr, "message ring test failed\n");
+ exit(1);
+ }
+
+ talloc_free(mem_ctx);
+ return 0;
+}
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