72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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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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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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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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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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#ifndef CONNECTION_CONTROL_DATA_H
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#define CONNECTION_CONTROL_DATA_H
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#include <atomic>
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#include "my_inttypes.h"
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/**
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Enum for system variables : Must be in sync with
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members of Connection_control_variables.
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*/
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typedef enum opt_connection_control {
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OPT_FAILED_CONNECTIONS_THRESHOLD = 0,
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OPT_MIN_CONNECTION_DELAY,
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OPT_MAX_CONNECTION_DELAY,
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OPT_LAST /* Must be last */
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} opt_connection_control;
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/**
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Enum for status variables : Must be in sync with
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memebers of Connection_control_statistics.
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*/
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typedef enum stats_connection_control {
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STAT_CONNECTION_DELAY_TRIGGERED = 0,
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STAT_LAST /* Must be last */
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} stats_connection_control;
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namespace connection_control {
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/** Structure to maintain system variables */
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class Connection_control_variables {
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public:
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/* Various global variables */
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long long failed_connections_threshold;
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long long min_connection_delay;
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long long max_connection_delay;
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};
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/** Structure to maintain statistics */
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class Connection_control_statistics {
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public:
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Connection_control_statistics() {}
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/* Various statistics to be collected */
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std::atomic<int64> stats_array[STAT_LAST];
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};
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} // namespace connection_control
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extern connection_control::Connection_control_statistics g_statistics;
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extern connection_control::Connection_control_variables g_variables;
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#endif // !CONNECTION_CONTROL_DATA_H
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