87 lines
2.7 KiB
Objective-C
87 lines
2.7 KiB
Objective-C
/* Copyright (c) 2018, 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 TRANSACTION_PREPARED_MESSAGE_INCLUDED
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#define TRANSACTION_PREPARED_MESSAGE_INCLUDED
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#include <mysql/group_replication_priv.h>
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#include <vector>
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#include "my_inttypes.h"
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#include "plugin/group_replication/include/gcs_plugin_messages.h"
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/*
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@class Transaction_prepared_message
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*/
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class Transaction_prepared_message : public Plugin_gcs_message {
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public:
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enum enum_payload_item_type {
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// This type should not be used anywhere.
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PIT_UNKNOWN = 0,
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// Length of the payload item: 8 bytes
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PIT_TRANSACTION_PREPARED_GNO = 1,
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// Length of the payload item: 16 bytes.
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// Optional item.
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PIT_TRANSACTION_PREPARED_SID = 2,
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// No valid type codes can appear after this one.
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PIT_MAX = 3
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};
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/**
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Message constructor
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@param[in] sid the prepared transaction sid
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@param[in] gno the prepared transaction gno
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*/
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Transaction_prepared_message(const rpl_sid *sid, rpl_gno gno);
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/**
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Message decode constructor
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@param[in] buf message buffer
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@param[in] len message buffer length
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*/
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Transaction_prepared_message(const unsigned char *buf, size_t len);
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virtual ~Transaction_prepared_message();
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const rpl_sid *get_sid();
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rpl_gno get_gno();
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protected:
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/*
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Implementation of the template methods
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*/
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void encode_payload(std::vector<unsigned char> *buffer) const;
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void decode_payload(const unsigned char *buffer, const unsigned char *end);
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private:
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bool m_sid_specified;
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rpl_sid m_sid;
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rpl_gno m_gno;
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};
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#endif /* TRANSACTION_PREPARED_MESSAGE_INCLUDED */
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