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94 lines
3.2 KiB
94 lines
3.2 KiB
5 months ago
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// Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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//
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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, version 2.0,
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// as published by the Free Software Foundation.
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//
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// This program is also distributed with certain software (including
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// but not limited to OpenSSL) that is licensed under separate terms,
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// as designated in a particular file or component or in included license
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// documentation. The authors of MySQL hereby grant you an additional
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// permission to link the program and your derivative works with the
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// separately licensed software that they have included with MySQL.
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//
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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, version 2.0, for more details.
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//
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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, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "client/mysqltest/secondary_engine.h"
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#include "client/mysqltest/error_names.h"
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#include "client/mysqltest/utils.h"
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <regex>
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#include <sstream>
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#include <string>
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#include <unordered_map>
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#include "my_dbug.h"
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static int offload_count_after = 0;
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static int offload_count_before = 0;
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/// Get secondary engine execution count value.
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//
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/// @param mysql mysql handle
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/// @param mode Mode value (either "after" or "before")
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///
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/// @retval True if the query fails, false otherwise.
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bool Secondary_engine::offload_count(MYSQL *mysql, const char *mode) {
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std::string offload_count;
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const char *query =
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"SHOW GLOBAL STATUS LIKE 'Secondary_engine_execution_count'";
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if (query_get_string(mysql, query, 1, &offload_count)) {
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int error = mysql_errno(mysql);
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if (error == 0 || error == 1104 || error == 2006) return false;
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std::cerr << "mysqltest: Query '" << query << "' failed, ERROR " << error
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<< " (" << mysql_sqlstate(mysql) << "): " << mysql_error(mysql)
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<< std::endl;
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return true;
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}
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if (!std::strcmp(mode, "before")) {
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offload_count_before = get_int_val(offload_count.c_str());
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} else if (!std::strcmp(mode, "after")) {
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if (!offload_count_after) {
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offload_count_after = get_int_val(offload_count.c_str());
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} else {
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offload_count_after =
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offload_count_after + get_int_val(offload_count.c_str());
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}
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}
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return false;
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}
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/// Report secondary engine execution count value.
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///
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/// @param filename File to store the count value
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void Secondary_engine::report_offload_count(const char *filename) {
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if (!offload_count_after && offload_count_after < offload_count_before)
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offload_count_after = offload_count_before;
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int count_val = offload_count_after - offload_count_before;
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DBUG_ASSERT(count_val >= 0);
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std::ofstream report_file(filename, std::ios::out);
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if (report_file.is_open()) {
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std::string count = std::to_string(count_val);
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report_file << count << std::endl;
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}
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report_file.close();
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}
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