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/* 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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef __REQUEST_TRACKER_HPP
#define __REQUEST_TRACKER_HPP
#include "SafeCounter.hpp"
class RequestTracker {
public:
RequestTracker(){ init(); }
void init() { m_confs.clear(); m_nRefs = 0; }
template<typename SignalClass>
bool init(SafeCounterManager& mgr,
NodeReceiverGroup rg, Uint16 GSN, Uint32 senderData)
{
init();
SafeCounter tmp(mgr, m_sc);
return tmp.init<SignalClass>(rg, GSN, senderData);
}
bool ignoreRef(SafeCounterManager& mgr, Uint32 nodeId)
{ return m_sc.clearWaitingFor(mgr, nodeId); }
bool reportRef(SafeCounterManager& mgr, Uint32 nodeId)
{ m_nRefs++; return m_sc.clearWaitingFor(mgr, nodeId); }
bool reportConf(SafeCounterManager& mgr, Uint32 nodeId)
{ m_confs.set(nodeId); return m_sc.clearWaitingFor(mgr, nodeId); }
bool hasRef() { return m_nRefs != 0; }
bool hasConf() { return !m_confs.isclear(); }
bool done() { return m_sc.done(); }
private:
SafeCounterHandle m_sc;
NodeBitmask m_confs;
Uint8 m_nRefs;
};
#endif // __REQUEST_TRACKER_HPP
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