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/*-
* Public Domain 2014-present MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* This file provides an example of how to create a test in C++ using a few features from the
* framework if any. This file can be used as a template for quick testing and/or when stress
* testing is not required. For any stress testing, it is encouraged to use the framework, see
* example_test.cxx and create_script.sh.
*/
#include "test_harness/connection_manager.h"
#include "test_harness/thread_manager.h"
#include "test_harness/util/api_const.h"
#include "test_harness/util/logger.h"
#include "test_harness/workload/random_generator.h"
extern "C" {
#include "wiredtiger.h"
}
using namespace test_harness;
bool do_inserts = false;
bool do_reads = false;
void
insert_op(WT_CURSOR *cursor, int key_size, int value_size)
{
logger::log_msg(LOG_INFO, "called insert_op");
/* Insert random data. */
std::string key, value;
while (do_inserts) {
key = random_generator::instance().generate_random_string(key_size);
value = random_generator::instance().generate_random_string(value_size);
cursor->set_key(cursor, key.c_str());
cursor->set_value(cursor, value.c_str());
testutil_check(cursor->insert(cursor));
}
}
void
read_op(WT_CURSOR *cursor, int key_size)
{
logger::log_msg(LOG_INFO, "called read_op");
/* Read random data. */
std::string key;
while (do_reads) {
key = random_generator::instance().generate_random_string(key_size);
cursor->set_key(cursor, key.c_str());
cursor->search(cursor);
}
}
int
main(int argc, char *argv[])
{
/* Set the program name for error messages. */
const std::string progname = testutil_set_progname(argv);
/* Set the tracing level for the logger component. */
logger::trace_level = LOG_INFO;
/* Printing some messages. */
logger::log_msg(LOG_INFO, "Starting " + progname);
logger::log_msg(LOG_ERROR, "This could be an error.");
/* Create a connection, set the cache size and specify the home directory. */
const std::string conn_config = std::string(CONNECTION_CREATE) + ",cache_size=500MB";
const std::string home_dir = std::string(DEFAULT_DIR) + '_' + progname;
connection_manager::instance().create(conn_config, home_dir);
WT_CONNECTION *conn = connection_manager::instance().get_connection();
/* Open different sessions. */
WT_SESSION *insert_session, *read_session;
testutil_check(conn->open_session(conn, nullptr, nullptr, &insert_session));
testutil_check(conn->open_session(conn, nullptr, nullptr, &read_session));
/* Create a collection. */
const std::string collection_name = "table:my_collection";
testutil_check(
insert_session->create(insert_session, collection_name.c_str(), DEFAULT_FRAMEWORK_SCHEMA));
/* Open different cursors. */
WT_CURSOR *insert_cursor, *read_cursor;
const std::string cursor_config = "";
testutil_check(insert_session->open_cursor(
insert_session, collection_name.c_str(), nullptr, cursor_config.c_str(), &insert_cursor));
testutil_check(read_session->open_cursor(
read_session, collection_name.c_str(), nullptr, cursor_config.c_str(), &read_cursor));
/* Store cursors. */
std::vector<WT_CURSOR *> cursors;
cursors.push_back(insert_cursor);
cursors.push_back(read_cursor);
/* Insert some data. */
std::string key = "a";
const std::string value = "b";
insert_cursor->set_key(insert_cursor, key.c_str());
insert_cursor->set_value(insert_cursor, value.c_str());
testutil_check(insert_cursor->insert(insert_cursor));
/* Read some data. */
key = "b";
read_cursor->set_key(read_cursor, key.c_str());
testutil_assert(read_cursor->search(read_cursor) == WT_NOTFOUND);
key = "a";
read_cursor->set_key(read_cursor, key.c_str());
testutil_check(read_cursor->search(read_cursor));
/* Create a thread manager and spawn some threads that will work. */
thread_manager t;
int key_size = 1, value_size = 2;
do_inserts = true;
t.add_thread(insert_op, insert_cursor, key_size, value_size);
do_reads = true;
t.add_thread(read_op, read_cursor, key_size);
/* Sleep for the test duration. */
int test_duration_s = 5;
std::this_thread::sleep_for(std::chrono::seconds(test_duration_s));
/* Stop the threads. */
do_reads = false;
do_inserts = false;
t.join();
/* Close cursors. */
for (auto c : cursors)
testutil_check(c->close(c));
/* Close the connection. */
connection_manager::instance().close();
/* Another message. */
logger::log_msg(LOG_INFO, "End of test.");
return (0);
}
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