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115 lines
3.8 KiB
115 lines
3.8 KiB
5 months ago
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/* Copyright (c) 2014, 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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#include "sql/rpl_transaction_ctx.h"
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#include <stddef.h>
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#include <sys/types.h>
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#include "my_dbug.h"
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#include "my_inttypes.h"
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#include "mysql/psi/mysql_mutex.h"
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#include "mysqld_error.h"
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#include "sql/mysqld_thd_manager.h" // Global_THD_manager
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#include "sql/rpl_gtid.h" // rpl_sidno
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#include "sql/sql_class.h" // THD
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#include "sql/transaction_info.h"
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Rpl_transaction_ctx::Rpl_transaction_ctx() {
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DBUG_TRACE;
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cleanup();
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}
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void Rpl_transaction_ctx::cleanup() {
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DBUG_TRACE;
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m_transaction_ctx.m_thread_id = 0;
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m_transaction_ctx.m_flags = 0;
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m_transaction_ctx.m_rollback_transaction = false;
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m_transaction_ctx.m_generated_gtid = false;
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m_transaction_ctx.m_sidno = 0;
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m_transaction_ctx.m_gno = 0;
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}
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int Rpl_transaction_ctx::set_rpl_transaction_ctx(
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Transaction_termination_ctx transaction_termination_ctx) {
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DBUG_TRACE;
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if (transaction_termination_ctx.m_generated_gtid) {
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if (transaction_termination_ctx.m_rollback_transaction ||
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transaction_termination_ctx.m_sidno <= 0 ||
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transaction_termination_ctx.m_gno <= 0)
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return 1;
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}
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m_transaction_ctx = transaction_termination_ctx;
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return 0;
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}
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bool Rpl_transaction_ctx::is_transaction_rollback() {
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DBUG_TRACE;
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return m_transaction_ctx.m_rollback_transaction;
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}
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bool Rpl_transaction_ctx::is_generated_gtid() {
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DBUG_TRACE;
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return m_transaction_ctx.m_generated_gtid;
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}
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rpl_sidno Rpl_transaction_ctx::get_sidno() {
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DBUG_TRACE;
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return m_transaction_ctx.m_sidno;
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}
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rpl_gno Rpl_transaction_ctx::get_gno() {
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DBUG_TRACE;
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return m_transaction_ctx.m_gno;
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}
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/**
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Implementation of service_transaction_veredict, see
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@file include/mysql/service_rpl_transaction_ctx.h
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*/
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int set_transaction_ctx(
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Transaction_termination_ctx transaction_termination_ctx) {
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DBUG_TRACE;
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DBUG_PRINT("enter", ("thread_id=%lu, rollback_transaction=%d, "
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"generated_gtid=%d, sidno=%d, gno=%lld",
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transaction_termination_ctx.m_thread_id,
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transaction_termination_ctx.m_rollback_transaction,
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transaction_termination_ctx.m_generated_gtid,
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transaction_termination_ctx.m_sidno,
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transaction_termination_ctx.m_gno));
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THD *thd = nullptr;
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uint error = ER_NO_SUCH_THREAD;
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Find_thd_with_id find_thd_with_id(transaction_termination_ctx.m_thread_id);
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thd = Global_THD_manager::get_instance()->find_thd(&find_thd_with_id);
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if (thd) {
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error = thd->get_transaction()
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->get_rpl_transaction_ctx()
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->set_rpl_transaction_ctx(transaction_termination_ctx);
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mysql_mutex_unlock(&thd->LOCK_thd_data);
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}
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return error;
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}
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