189 lines
5.2 KiB
C++
189 lines
5.2 KiB
C++
/*
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Copyright (c) 2003, 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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*/
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#ifndef ACCKEYREQ_HPP
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#define ACCKEYREQ_HPP
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#include <assert.h>
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#include "ndb_limits.h"
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struct AccKeyReq
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{
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STATIC_CONST( SignalLength_localKey = 10 );
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STATIC_CONST( SignalLength_keyInfo = 8 /* + keyLen */ );
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Uint32 connectPtr;
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Uint32 fragmentPtr;
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Uint32 requestInfo;
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Uint32 hashValue;
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Uint32 keyLen;
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Uint32 transId1;
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Uint32 transId2;
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Uint32 lockConnectPtr; /* For lock take over operation */
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union
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{
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/* if keyLen == 0 use localKey */
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Uint32 localKey[2];
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Uint32 keyInfo[MAX_KEY_SIZE_IN_WORDS /*keyLen*/];
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};
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static Uint32 getOperation(Uint32 requestInfo);
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static Uint32 getLockType(Uint32 requestInfo);
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static bool getDirtyOp(Uint32 requestInfo);
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static Uint32 getReplicaType(Uint32 requestInfo);
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static bool getTakeOver(Uint32 requestInfo);
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static bool getLockReq(Uint32 requestInfo);
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static bool getNoWait(Uint32 requestInfo);
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static Uint32 setOperation(Uint32 requestInfo, Uint32 op);
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static Uint32 setLockType(Uint32 requestInfo, Uint32 locktype);
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static Uint32 setDirtyOp(Uint32 requestInfo, bool dirtyop);
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static Uint32 setReplicaType(Uint32 requestInfo, Uint32 replicatype);
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static Uint32 setTakeOver(Uint32 requestInfo, bool takeover);
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static Uint32 setLockReq(Uint32 requestInfo, bool lockreq);
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static Uint32 setNoWait(Uint32 requestInfo, bool lockreq);
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private:
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enum RequestInfo {
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RI_OPERATION_SHIFT = 0, RI_OPERATION_MASK = 15,
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RI_LOCK_TYPE_SHIFT = 4, RI_LOCK_TYPE_MASK = 3,
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RI_DIRTY_OP_SHIFT = 6, RI_DIRTY_OP_MASK = 1,
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RI_REPLICA_TYPE_SHIFT = 7, RI_REPLICA_TYPE_MASK = 3,
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RI_TAKE_OVER_SHIFT = 9, RI_TAKE_OVER_MASK = 1,
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RI_NOWAIT_SHIFT = 10, RI_NOWAIT_MASK = 1,
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RI_LOCK_REQ_SHIFT = 31, RI_LOCK_REQ_MASK = 1,
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};
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};
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inline
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Uint32
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AccKeyReq::getOperation(Uint32 requestInfo)
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{
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return (requestInfo >> RI_OPERATION_SHIFT) & RI_OPERATION_MASK;
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}
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inline
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Uint32
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AccKeyReq::getLockType(Uint32 requestInfo)
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{
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return (requestInfo >> RI_LOCK_TYPE_SHIFT) & RI_LOCK_TYPE_MASK;
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}
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inline
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bool
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AccKeyReq::getDirtyOp(Uint32 requestInfo)
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{
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return (requestInfo >> RI_DIRTY_OP_SHIFT) & RI_DIRTY_OP_MASK;
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}
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inline
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Uint32
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AccKeyReq::getReplicaType(Uint32 requestInfo)
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{
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return (requestInfo >> RI_REPLICA_TYPE_SHIFT) & RI_REPLICA_TYPE_MASK;
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}
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inline
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bool
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AccKeyReq::getTakeOver(Uint32 requestInfo)
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{
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return (requestInfo >> RI_TAKE_OVER_SHIFT) & RI_TAKE_OVER_MASK;
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}
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inline
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bool
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AccKeyReq::getLockReq(Uint32 requestInfo)
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{
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return (requestInfo >> RI_LOCK_REQ_SHIFT) & RI_LOCK_REQ_MASK;
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}
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inline
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bool
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AccKeyReq::getNoWait(Uint32 requestInfo)
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{
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return (requestInfo >> RI_NOWAIT_SHIFT) & RI_NOWAIT_MASK;
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}
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inline
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Uint32
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AccKeyReq::setOperation(Uint32 requestInfo, Uint32 op)
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{
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assert(op <= RI_OPERATION_MASK);
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return (requestInfo & ~(RI_OPERATION_MASK << RI_OPERATION_SHIFT))
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| (op << RI_OPERATION_SHIFT);
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}
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inline
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Uint32
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AccKeyReq::setLockType(Uint32 requestInfo, Uint32 locktype)
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{
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assert(locktype <= RI_LOCK_TYPE_MASK);
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return (requestInfo & ~(RI_LOCK_TYPE_MASK << RI_LOCK_TYPE_SHIFT))
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| (locktype << RI_LOCK_TYPE_SHIFT);
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}
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inline
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Uint32
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AccKeyReq::setDirtyOp(Uint32 requestInfo, bool dirtyop)
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{
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return (requestInfo & ~(RI_DIRTY_OP_MASK << RI_DIRTY_OP_SHIFT))
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| (dirtyop ? 1U << RI_DIRTY_OP_SHIFT : 0);
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}
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inline
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Uint32
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AccKeyReq::setReplicaType(Uint32 requestInfo, Uint32 replicatype)
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{
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assert(replicatype <= RI_REPLICA_TYPE_MASK);
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return (requestInfo & ~(RI_REPLICA_TYPE_MASK << RI_REPLICA_TYPE_SHIFT))
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| (replicatype << RI_REPLICA_TYPE_SHIFT);
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}
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inline
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Uint32
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AccKeyReq::setTakeOver(Uint32 requestInfo, bool takeover)
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{
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return (requestInfo & ~(RI_TAKE_OVER_MASK << RI_TAKE_OVER_SHIFT))
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| (takeover ? 1U << RI_TAKE_OVER_SHIFT : 0);
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}
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inline
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Uint32
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AccKeyReq::setLockReq(Uint32 requestInfo, bool lockreq)
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{
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return (requestInfo & ~(RI_LOCK_REQ_MASK << RI_LOCK_REQ_SHIFT))
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| (lockreq ? 1U << RI_LOCK_REQ_SHIFT : 0);
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}
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inline
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Uint32
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AccKeyReq::setNoWait(Uint32 requestInfo, bool nowait)
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{
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return (requestInfo & ~(RI_NOWAIT_MASK << RI_NOWAIT_SHIFT))
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| (nowait ? 1U << RI_NOWAIT_SHIFT : 0);
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}
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#endif
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