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/* Copyright (c) 2020, 2025, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
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, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <algorithm> // std::find
#include "binlog.h" // mysql_bin_log
#include "mysqld.h" // key_rwlock_gtid_mode_lock
#include "sql/rpl_gtid.h"
#include "sql/rpl_msr.h" // channel_map
Gtid_mode global_gtid_mode;
ulong Gtid_mode::sysvar_mode;
const char *Gtid_mode::names[] = {"OFF", "OFF_PERMISSIVE", "ON_PERMISSIVE",
"ON", NullS};
Checkable_rwlock Gtid_mode::lock{
#ifdef HAVE_PSI_INTERFACE
key_rwlock_gtid_mode_lock
#endif
};
void Gtid_mode::set(value_type value) {
m_atomic_mode.store(value, std::memory_order_release);
}
Gtid_mode::value_type Gtid_mode::get() const {
return (value_type)m_atomic_mode.load(std::memory_order_acquire);
}
#ifndef NDEBUG
const char *Gtid_mode::get_string() const { return to_string(get()); }
#endif // ifndef NDEBUG
std::pair<bool, Gtid_mode::value_type> Gtid_mode::from_string(
const std::string s) {
// Subtract 1 to exclude the null
auto end = names + sizeof(names) / sizeof(names[0]) - 1;
auto ret = std::find(names, end, s);
if (ret == end)
return std::pair<bool, Gtid_mode::value_type>(true, OFF);
else
return std::pair<bool, Gtid_mode::value_type>(
false, static_cast<value_type>(ret - names));
}
const char *Gtid_mode::to_string(Gtid_mode::value_type value) {
return names[value];
}
std::ostream &operator<<(std::ostream &oss, Gtid_mode::value_type const &mode) {
oss << Gtid_mode::to_string(mode);
return oss;
}
#ifndef NDEBUG
std::ostream &operator<<(std::ostream &oss, Gtid_mode const &mode) {
oss << mode.get_string();
return oss;
}
#endif
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