90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/* Copyright (c) 2008, 2013, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Street, Fifth Floor, Boston, MA 02110-1301, USA */
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#ifndef DICT_TAKEOVER_HPP
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#define DICT_TAKEOVER_HPP
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#include "SignalData.hpp"
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#define JAM_FILE_ID 68
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// see comments in Dbdict.hpp
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class DictTakeoverReq {
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friend class Dbdict;
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public:
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STATIC_CONST( SignalLength = 1 );
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STATIC_CONST( GSN = GSN_DICT_TAKEOVER_REQ );
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private:
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Uint32 senderRef;
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};
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class DictTakeoverConf {
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friend class Dbdict;
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public:
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STATIC_CONST( SignalLength = 10 );
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STATIC_CONST( GSN = GSN_DICT_TAKEOVER_CONF );
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private:
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Uint32 senderRef;
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Uint32 clientRef;
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Uint32 trans_key;
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Uint32 trans_state;
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Uint32 op_count;
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union
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{
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Uint32 rollforward_op; // Preferred starting point for rollforward
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Uint32 lowest_op; // Next operation to be ended (removed)
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};
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union {
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Uint32 rollforward_op_state;
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Uint32 lowest_op_state;
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};
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union {
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Uint32 rollback_op; // Preferred starting point for rollback
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Uint32 highest_op; // Last parsed operation
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};
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union {
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Uint32 rollback_op_state;
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Uint32 highest_op_state;
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};
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// Highest/lowest op is needed if new master is missing one operation
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union {
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Uint32 lowest_op_impl_req_gsn;
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Uint32 highest_op_impl_req_gsn;
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};
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};
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struct DictTakeoverRef {
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STATIC_CONST( SignalLength = 3 );
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STATIC_CONST( GSN = GSN_DICT_TAKEOVER_REF );
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Uint32 senderRef;
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union { Uint32 masterRef, senderData; };
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Uint32 errorCode;
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enum ErrorCode
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{
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NoError = 0,
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NoTransaction = 1,
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NF_FakeErrorREF = 2
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};
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};
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#undef JAM_FILE_ID
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#endif
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