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#include "FWCore/ServiceRegistry/interface/ModuleCallingContext.h"
#include "FWCore/ServiceRegistry/interface/InternalContext.h"
#include "FWCore/ServiceRegistry/interface/PathContext.h"
#include "FWCore/ServiceRegistry/interface/PlaceInPathContext.h"
#include "FWCore/ServiceRegistry/interface/StreamContext.h"
#include "FWCore/ServiceRegistry/interface/GlobalContext.h"
#include "FWCore/Utilities/interface/EDMException.h"
#include "DataFormats/Provenance/interface/ModuleDescription.h"
#include <ostream>
namespace edm {
ModuleCallingContext::ModuleCallingContext(ModuleDescription const* moduleDescription) noexcept
: previousModuleOnThread_(nullptr),
moduleDescription_(moduleDescription),
parent_(),
id_(0),
state_(State::kInvalid) {}
ModuleCallingContext::ModuleCallingContext(ModuleDescription const* moduleDescription,
std::uintptr_t id,
State state,
ParentContext const& parent,
ModuleCallingContext const* previousOnThread) noexcept
: previousModuleOnThread_(previousOnThread),
moduleDescription_(moduleDescription),
parent_(parent),
id_(id),
state_(state) {}
void ModuleCallingContext::setContext(State state,
ParentContext const& parent,
ModuleCallingContext const* previousOnThread) noexcept {
state_ = state;
parent_ = parent;
previousModuleOnThread_ = previousOnThread;
}
StreamContext const* ModuleCallingContext::getStreamContext() const noexcept(false) {
ModuleCallingContext const* mcc = getTopModuleCallingContext();
if (mcc->type() == ParentContext::Type::kPlaceInPath) {
return mcc->placeInPathContext()->pathContext()->streamContext();
} else if (mcc->type() != ParentContext::Type::kStream) {
throw Exception(errors::LogicError)
<< "ModuleCallingContext::getStreamContext() called in context not linked to a StreamContext\n";
}
return mcc->streamContext();
}
GlobalContext const* ModuleCallingContext::getGlobalContext() const noexcept(false) {
ModuleCallingContext const* mcc = getTopModuleCallingContext();
if (mcc->type() != ParentContext::Type::kGlobal) {
throw Exception(errors::LogicError)
<< "ModuleCallingContext::getGlobalContext() called in context not linked to a GlobalContext\n";
}
return mcc->globalContext();
}
ModuleCallingContext const* ModuleCallingContext::getTopModuleCallingContext() const noexcept {
ModuleCallingContext const* mcc = this;
while (mcc->type() == ParentContext::Type::kModule) {
mcc = mcc->moduleCallingContext();
}
if (mcc->type() == ParentContext::Type::kInternal) {
mcc = mcc->internalContext()->moduleCallingContext();
}
while (mcc->type() == ParentContext::Type::kModule) {
mcc = mcc->moduleCallingContext();
}
return mcc;
}
unsigned ModuleCallingContext::depth() const noexcept {
unsigned depth = 0;
ModuleCallingContext const* mcc = this;
while (mcc->type() == ParentContext::Type::kModule) {
++depth;
mcc = mcc->moduleCallingContext();
}
if (mcc->type() == ParentContext::Type::kInternal) {
++depth;
mcc = mcc->internalContext()->moduleCallingContext();
}
while (mcc->type() == ParentContext::Type::kModule) {
++depth;
mcc = mcc->moduleCallingContext();
}
return depth;
}
void exceptionContext(cms::Exception& ex, ModuleCallingContext const& mcc) {
ModuleCallingContext const* imcc = &mcc;
while ((imcc->type() == ParentContext::Type::kModule) or (imcc->type() == ParentContext::Type::kInternal)) {
std::ostringstream iost;
if (imcc->state() == ModuleCallingContext::State::kPrefetching) {
iost << "Prefetching for module ";
} else {
iost << "Calling method for module ";
}
iost << imcc->moduleDescription()->moduleName() << "/'" << imcc->moduleDescription()->moduleLabel() << "'";
if (imcc->type() == ParentContext::Type::kInternal) {
iost << " (probably inside some kind of mixing module)";
imcc = imcc->internalContext()->moduleCallingContext();
} else {
imcc = imcc->moduleCallingContext();
}
ex.addContext(iost.str());
}
std::ostringstream ost;
if (imcc->state() == ModuleCallingContext::State::kPrefetching) {
ost << "Prefetching for module ";
} else {
ost << "Calling method for module ";
}
ost << imcc->moduleDescription()->moduleName() << "/'" << imcc->moduleDescription()->moduleLabel() << "'";
ex.addContext(ost.str());
if (imcc->type() == ParentContext::Type::kPlaceInPath) {
ost.str("");
ost << "Running path '";
ost << imcc->placeInPathContext()->pathContext()->pathName() << "'";
ex.addContext(ost.str());
auto streamContext = imcc->placeInPathContext()->pathContext()->streamContext();
if (streamContext) {
ost.str("");
edm::exceptionContext(ost, *streamContext);
ex.addContext(ost.str());
}
} else {
if (imcc->type() == ParentContext::Type::kStream) {
ost.str("");
edm::exceptionContext(ost, *(imcc->streamContext()));
ex.addContext(ost.str());
} else if (imcc->type() == ParentContext::Type::kGlobal) {
ost.str("");
edm::exceptionContext(ost, *(imcc->globalContext()));
ex.addContext(ost.str());
}
}
}
std::ostream& operator<<(std::ostream& os, ModuleCallingContext const& mcc) {
os << "ModuleCallingContext state = ";
switch (mcc.state()) {
case ModuleCallingContext::State::kInvalid:
os << "Invalid";
break;
case ModuleCallingContext::State::kPrefetching:
os << "Prefetching";
break;
case ModuleCallingContext::State::kRunning:
os << "Running";
break;
}
os << "\n";
if (mcc.state() == ModuleCallingContext::State::kInvalid) {
return os;
}
if (mcc.moduleDescription()) {
os << " moduleDescription: " << *mcc.moduleDescription() << "\n";
}
os << " " << mcc.parent();
if (mcc.previousModuleOnThread()) {
if (mcc.type() == ParentContext::Type::kModule && mcc.moduleCallingContext() == mcc.previousModuleOnThread()) {
os << " previousModuleOnThread: same as parent module\n";
} else {
os << " previousModuleOnThread: " << *mcc.previousModuleOnThread();
}
}
return os;
}
} // namespace edm
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