SignalSender.hpp
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上传日期:2022-05-23
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文件大小:2k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef SIGNAL_SENDER_HPP
- #define SIGNAL_SENDER_HPP
- #include <ndb_global.h>
- #include "TransporterFacade.hpp"
- #include <Vector.hpp>
- struct SimpleSignal {
- public:
- SimpleSignal(bool dealloc = false);
- ~SimpleSignal();
-
- void set(class SignalSender&,
- Uint8 trace, Uint16 recBlock, Uint16 gsn, Uint32 len);
-
- struct SignalHeader header;
- Uint32 theData[25];
- LinearSectionPtr ptr[3];
- int readSignalNumber() {return header.theVerId_signalNumber; }
- Uint32 *getDataPtrSend() { return theData; }
- const Uint32 *getDataPtr() const { return theData; }
- void print(FILE * out = stdout);
- private:
- bool deallocSections;
- };
- class SignalSender {
- public:
- SignalSender(TransporterFacade *facade);
- virtual ~SignalSender();
-
- int lock();
- int unlock();
- Uint32 getOwnRef() const;
- Uint32 getAliveNode() const;
- const ClusterMgr::Node &getNodeInfo(Uint16 nodeId) const;
- Uint32 getNoOfConnectedNodes() const;
- SendStatus sendSignal(Uint16 nodeId, const SimpleSignal *);
-
- SimpleSignal * waitFor(Uint32 timeOutMillis = 0);
- SimpleSignal * waitFor(Uint16 nodeId, Uint32 timeOutMillis = 0);
- SimpleSignal * waitFor(Uint16 nodeId, Uint16 gsn, Uint32 timeOutMillis = 0);
- private:
- int m_blockNo;
- TransporterFacade * theFacade;
-
- static void execSignal(void* signalSender,
- NdbApiSignal* signal,
- class LinearSectionPtr ptr[3]);
-
- static void execNodeStatus(void* signalSender, Uint32 nodeId,
- bool alive, bool nfCompleted);
-
- int m_lock;
- struct NdbCondition * m_cond;
- Vector<SimpleSignal *> m_jobBuffer;
- Vector<SimpleSignal *> m_usedBuffer;
- template<class T>
- SimpleSignal * waitFor(Uint32 timeOutMillis, T & t);
- };
- #endif