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/* Copyright (c) 2003, 2005, 2007 MySQL AB
Use is subject to license terms
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 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() const {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
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