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initial support for seq in dft->gspn

main
Sebastian Junges 9 years ago
parent
0bf00ff7ac
commit
92584d577f
3 changed files with 58 additions and 24 deletions
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  1. 9
      src/storm-dft/storage/dft/elements/DFTRestriction.h
  2. 65
      src/storm-dft/transformations/DftToGspnTransformator.cpp
  3. 8
      src/storm-dft/transformations/DftToGspnTransformator.h

9
src/storm-dft/storage/dft/elements/DFTRestriction.h
View File

@ -36,6 +36,15 @@ namespace storm {
virtual bool isSeqEnforcer() const {
return false;
}
bool allChildrenBEs() const {
for(auto const& elem : mChildren) {
if (!elem->isBasicElement()) {
return false;
}
}
return true;
}
virtual std::string typestring() const = 0;

65
src/storm-dft/transformations/DftToGspnTransformator.cpp
View File

@ -63,8 +63,8 @@ namespace storm {
drawPOR(std::static_pointer_cast<storm::storage::DFTPor<ValueType> const>(dftElement), isRepresentative);
break;
case storm::storage::DFTElementType::SEQ:
// No method call needed here. SEQ only consists of restrictions, which are handled later.
break;
drawSeq(std::static_pointer_cast<storm::storage::DFTSeq<ValueType> const>(dftElement));
break;
case storm::storage::DFTElementType::MUTEX:
// No method call needed here. MUTEX only consists of restrictions, which are handled later.
break;
@ -78,7 +78,7 @@ namespace storm {
drawCONSTS(dftElement, isRepresentative);
break;
case storm::storage::DFTElementType::PDEP:
drawPDEP(std::static_pointer_cast<storm::storage::DFTDependency<ValueType> const>(dftElement), isRepresentative);
drawPDEP(std::static_pointer_cast<storm::storage::DFTDependency<ValueType> const>(dftElement));
break;
default:
STORM_LOG_ASSERT(false, "DFT type unknown.");
@ -96,9 +96,13 @@ namespace storm {
activeNodes.emplace(dftBE->id(), beActive);
uint64_t beFailed = builder.addPlace(defaultCapacity, 0, dftBE->name() + STR_FAILED);
uint64_t disabledNode = 0;
if (!smart || dftBE->nrRestrictions() > 0) {
disabledNode = addDisabledPlace(dftBE);
}
uint64_t unavailableNode = 0;
if (isRepresentative) {
if (!smart || isRepresentative) {
unavailableNode = addUnavailableNode(dftBE);
}
@ -114,7 +118,12 @@ namespace storm {
builder.addInhibitionArc(beFailed, tPassive);
builder.addOutputArc(tPassive, beFailed);
if (isRepresentative) {
if (!smart || dftBE->nrRestrictions() > 0) {
builder.addInhibitionArc(disabledNode, tActive);
builder.addInhibitionArc(disabledNode, tPassive);
}
if (!smart || isRepresentative) {
builder.addOutputArc(tActive, unavailableNode);
builder.addOutputArc(tPassive, unavailableNode);
}
@ -350,26 +359,29 @@ namespace storm {
}
//
template <typename ValueType>
void DftToGspnTransformator<ValueType>::drawPDEP(std::shared_ptr<storm::storage::DFTDependency<ValueType> const> dftDependency, bool isRepresentative) {
// // Only draw dependency, if it wasn't drawn before.
// std::string gateName = dftDependency->name().substr(0, dftDependency->name().find("_"));
// auto exists = mGspn.getPlace(gateName + STR_FAILED);
// if (!exists.first) {
// storm::gspn::Place placeDEPFailed;
// placeDEPFailed.setName(gateName + STR_FAILED);
// placeDEPFailed.setNumberOfInitialTokens(0);
// mGspn.addPlace(placeDEPFailed);
//
// storm::gspn::TimedTransition<double> timedTransitionDEPFailure;
// timedTransitionDEPFailure.setName(gateName + STR_FAILING);
// timedTransitionDEPFailure.setPriority(getPriority(0, dftDependency));
// timedTransitionDEPFailure.setRate(dftDependency->probability());
// timedTransitionDEPFailure.setOutputArcMultiplicity(placeDEPFailed, 1);
// timedTransitionDEPFailure.setInhibitionArcMultiplicity(placeDEPFailed, 1);
// mGspn.addTimedTransition(timedTransitionDEPFailure);
// }
void DftToGspnTransformator<ValueType>::drawPDEP(std::shared_ptr<storm::storage::DFTDependency<ValueType> const> dftDependency) {
}
template <typename ValueType>
void DftToGspnTransformator<ValueType>::drawSeq(std::shared_ptr<storm::storage::DFTSeq<ValueType> const> dftSeq) {
STORM_LOG_THROW(dftSeq->allChildrenBEs(), storm::exceptions::NotImplementedException, "Sequence enforcers with gates as children are currently not supported");
bool first = true;
uint64_t tEnable = 0;
uint64_t nextPlace = 0;
for(auto const& child : dftSeq->children()) {
nextPlace = builder.addPlace(defaultCapacity, first ? 1 : 0, dftSeq->name() + "_next_" + child->name());
if(!first) {
builder.addOutputArc(tEnable, nextPlace);
}
tEnable = builder.addImmediateTransition(defaultPriority, 0.0, dftSeq->name() + "_unblock_" +child->name() );
builder.addInputArc(nextPlace, tEnable);
builder.addInputArc(disabledNodes.at(child->id()), tEnable);
first = false;
}
}
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addUnavailableNode(std::shared_ptr<storm::storage::DFTElement<ValueType> const> dftElement, bool initialAvailable) {
uint64_t unavailableNode = builder.addPlace(defaultCapacity, initialAvailable ? 0 : 1, dftElement->name() + "_unavailable");
@ -377,6 +389,13 @@ namespace storm {
unavailableNodes.emplace(dftElement->id(), unavailableNode);
return unavailableNode;
}
template<typename ValueType>
uint64_t DftToGspnTransformator<ValueType>::addDisabledPlace(std::shared_ptr<const storm::storage::DFTBE<ValueType> > dftBe) {
uint64_t disabledNode = builder.addPlace(dftBe->nrRestrictions(), dftBe->nrRestrictions(), dftBe->name() + "_dabled");
disabledNodes.emplace(dftBe->id(), disabledNode);
return disabledNode;
}
//
template <typename ValueType>

8
src/storm-dft/transformations/DftToGspnTransformator.h
View File

@ -114,8 +114,10 @@ namespace storm {
/*
* Draw a Petri net PDEP (FDEP is included with a firerate of 1).
*/
void drawPDEP(std::shared_ptr<storm::storage::DFTDependency<ValueType> const> dftDependency, bool isRepresentative);
void drawPDEP(std::shared_ptr<storm::storage::DFTDependency<ValueType> const> dftDependency);
void drawSeq(std::shared_ptr<storm::storage::DFTSeq<ValueType> const> dftSeq);
/*
* Return true if BE is active (corresponding place contains one initial token) or false if BE is inactive (corresponding place contains no initial token).
*
@ -136,11 +138,15 @@ namespace storm {
uint64_t addUnavailableNode(std::shared_ptr<storm::storage::DFTElement<ValueType> const> dftElement, bool initialAvailable = true);
uint64_t addDisabledPlace(std::shared_ptr<storm::storage::DFTBE<ValueType> const> dftBe);
storm::storage::DFT<ValueType> const& mDft;
storm::gspn::GspnBuilder builder;
std::vector<uint64_t> failedNodes;
std::map<uint64_t, uint64_t> unavailableNodes;
std::map<uint64_t, uint64_t> activeNodes;
std::map<uint64_t, uint64_t> disabledNodes;
bool smart = true;
static constexpr const char* STR_FAILING = "_failing"; // Name standard for transitions that point towards a place, which in turn indicates the failure of a gate.
static constexpr const char* STR_FAILED = "_failed"; // Name standard for place which indicates the failure of a gate.

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