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/*****************************************************************************
CryptoMiniSat -- Copyright (c) 2010 Mate Soos
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 3 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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#include "SharedData.h"
#include "Solver.h"
namespace CMSat {
class DataSync
{
public:
DataSync(Solver& solver, SharedData* sharedData);
void newVar();
bool syncData();
template <class T> void signalNewBinClause(T& ps);
void signalNewBinClause(Lit lit1, Lit lit2);
uint32_t getSentUnitData() const;
uint32_t getRecvUnitData() const;
uint32_t getSentBinData() const;
uint32_t getRecvBinData() const;
private:
//functions
bool shareUnitData();
bool syncBinFromOthers(const Lit lit, const vector<Lit>& bins, uint32_t& finished, vec<Watched>& ws);
void syncBinToOthers();
void addOneBinToOthers(const Lit lit1, const Lit lit2);
bool shareBinData();
//stuff to sync
vector<std::pair<Lit, Lit> > newBinClauses;
//stats
uint64_t lastSyncConf;
vec<uint32_t> syncFinish;
uint32_t sentUnitData;
uint32_t recvUnitData;
uint32_t sentBinData;
uint32_t recvBinData;
//misc
vec<char> seen;
//main data
SharedData* sharedData;
Solver& solver;
};
inline uint32_t DataSync::getSentUnitData() const
{
return sentUnitData;
}
inline uint32_t DataSync::getRecvUnitData() const
{
return recvUnitData;
}
inline uint32_t DataSync::getSentBinData() const
{
return sentBinData;
}
inline uint32_t DataSync::getRecvBinData() const
{
return recvBinData;
}
template <class T>
inline void DataSync::signalNewBinClause(T& ps)
{
if (sharedData == NULL) return;
assert(ps.size() == 2);
signalNewBinClause(ps[0], ps[1]);
}
inline void DataSync::signalNewBinClause(Lit lit1, Lit lit2)
{
if (sharedData == NULL) return;
if (lit1.toInt() > lit2.toInt()) std::swap(lit1, lit2);
newBinClauses.push_back(std::make_pair(lit1, lit2));
}
}
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