#include "AliCDBStorage.h"
#include "AliCDBEntry.h"
#include "TUUID.h"
+#include "TMD5.h"
+#include "TRandom3.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TRegexp.h"
HLTError("The include path was not specified." );
return -EINVAL;
}
- new (fIncludePaths[fIncludePaths.GetEntriesFast()]) TObjString(argv[i+1]);
+ try
+ {
+ new (fIncludePaths[fIncludePaths.GetEntriesFast()]) TObjString(argv[i+1]);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the fIncludePaths array.");
+ return -ENOMEM;
+ }
i++;
continue;
}
HLTError("The include file name was not specified." );
return -EINVAL;
}
- new (fIncludeFiles[fIncludeFiles.GetEntriesFast()]) TObjString(argv[i+1]);
+ try
+ {
+ new (fIncludeFiles[fIncludeFiles.GetEntriesFast()]) TObjString(argv[i+1]);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the fIncludeFiles array.");
+ return -ENOMEM;
+ }
i++;
continue;
}
}
if (result != 0) return result;
- fTrigger = AliHLTGlobalTrigger::CreateNew(fClassName.Data());
+ try
+ {
+ fTrigger = AliHLTGlobalTrigger::CreateNew(fClassName.Data());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
+ return -ENOMEM;
+ }
if (fTrigger == NULL)
{
HLTError("Could not create a new instance of '%s'.", fClassName.Data());
AliHLTComponent* AliHLTGlobalTriggerComponent::Spawn()
{
// Creates a new object instance.
-
- return new AliHLTGlobalTriggerComponent;
+ AliHLTComponent* comp = NULL;
+ try
+ {
+ comp = new AliHLTGlobalTriggerComponent;
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for a new instance of AliHLTGlobalTriggerComponent.");
+ return NULL;
+ }
+ return comp;
}
if (eventType==gkAliEventTypeEndOfRun) PrintStatistics(fTrigger, kHLTLogImportant, 0);
if (fDataEventsOnly)
{
- IgnoreEvent();
+ IgnoreEvent(); // dont generate any trigger decision.
return 0;
}
}
(triggerResult == true) ? description.Data() : GetDescription()
);
- // mask the readout list according to the CTP trigger
- // if the classes have been initialized (mask non-zero)
- if (pCTPData && pCTPData->Mask()) {
- AliHLTEventDDL eventDDL=pCTPData->ReadoutList(*GetTriggerData());
- AliHLTReadoutList ctpreadout(eventDDL);
- ctpreadout.Enable(AliHLTReadoutList::kHLT);
- AliHLTReadoutList maskedList=decision.ReadoutList();
- maskedList.AndEq(ctpreadout);
- decision.ReadoutList(maskedList);
- }
-
decision.SetCounters(fTrigger->GetCounters(), GetEventCount()+1);
if (fTrigger->CallFailed()) return -EPROTO;
- static UInt_t lastTime=0;
- TDatime time;
- if (time.Get()-lastTime>60) {
- lastTime=time.Get();
- PrintStatistics(fTrigger, kHLTLogImportant);
- }
+ TClonesArray shortInfo(TNamed::Class(), GetNumberOfInputBlocks());
- // Add the input objects used to the global decision.
- TClonesArray* pShortInfo=NULL;
- if (TestBit(kIncludeShort)) {
- pShortInfo=new TClonesArray(TNamed::Class(), GetNumberOfInputBlocks());
- }
+ // Add the input objects used to make the global decision.
obj = GetFirstInputObject();
while (obj != NULL)
{
- if (TestBit(kForwardInput)) {
- Forward(obj);
- }
- if (TestBit(kIncludeInput)) {
- if (obj->IsA() == AliHLTTriggerDecision::Class())
+ const AliHLTTriggerDecision* intrig = dynamic_cast<const AliHLTTriggerDecision*>(obj);
+
+ if (TestBit(kForwardInput)) Forward(obj);
+
+ if (TestBit(kIncludeInput))
{
- decision.AddTriggerInput( *static_cast<const AliHLTTriggerDecision*>(obj) );
+ if (intrig != NULL)
+ {
+ decision.AddTriggerInput(*intrig);
+ }
+ else
+ {
+ // The const_cast should be safe in this case because the list of inputObjects
+ // will be added to the global decision with AddInputObjectRef, which only
+ // modifies the kCanDelete bit and nothing else.
+ // This is necessary since GetFirstInputObject only returns const objects.
+ decision.AddInputObjectRef( const_cast<TObject*>(obj) );
+ }
}
- else
+
+ if (TestBit(kIncludeShort))
{
- decision.AddInputObject(obj);
- }
- }
-
- if (TestBit(kIncludeShort)) {
- int entries=pShortInfo->GetEntriesFast();
- new ((*pShortInfo)[entries]) TNamed(obj->GetName(), obj->GetTitle());
- if (obj->IsA() == AliHLTTriggerDecision::Class()) {
- (*pShortInfo)[entries]->SetBit(BIT(16)); // indicate that this is a trigger decision
- (*pShortInfo)[entries]->SetBit(BIT(15), ((AliHLTTriggerDecision*)obj)->Result());
+ int entries = shortInfo.GetEntriesFast();
+ try
+ {
+ new (shortInfo[entries]) TNamed(obj->GetName(), obj->GetTitle());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the short list of input objects.");
+ return -ENOMEM;
+ }
+ if (intrig != NULL)
+ {
+ shortInfo[entries]->SetBit(BIT(16)); // indicate that this is a trigger decision
+ shortInfo[entries]->SetBit(BIT(15), intrig->Result());
}
}
obj = GetNextInputObject();
}
- if (pShortInfo) {
- decision.AddInputObject(pShortInfo);
- pShortInfo->Delete();
- delete pShortInfo;
- pShortInfo=NULL;
+ if (TestBit(kIncludeShort)) decision.AddInputObjectRef(&shortInfo);
+
+ // The const_cast should be safe in this case because AddInputObjectRef just
+ // modifies the kCanDelete bit and nothing else.
+ if (!TestBit(kSkipCTP) && CTPData()) decision.AddInputObjectRef(const_cast<AliHLTCTPData*>(CTPData()));
+
+ static UInt_t lastTime=0;
+ TDatime time;
+ if (time.Get()-lastTime>60) {
+ lastTime=time.Get();
+ PrintStatistics(fTrigger, kHLTLogImportant);
}
- if (!TestBit(kSkipCTP) && CTPData()) decision.AddInputObject(CTPData());
-
// add readout filter to event done data
CreateEventDoneReadoutFilter(decision.TriggerDomain(), 3);
// add monitoring filter to event done data
result = GenerateTrigger(menu, className, codeFileName, fIncludePaths, fIncludeFiles);
if (result != 0) return result;
- AliHLTGlobalTrigger* trigger = AliHLTGlobalTrigger::CreateNew(className.Data());
+ AliHLTGlobalTrigger* trigger = NULL;
+ try
+ {
+ trigger = AliHLTGlobalTrigger::CreateNew(className.Data());
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the AliHLTGlobalTrigger instance.");
+ return -ENOMEM;
+ }
if (trigger == NULL)
{
HLTError("Could not create a new instance of '%s'.", className.Data());
}
+void AliHLTGlobalTriggerComponent::GenerateFileName(TString& name, TString& filename) const
+{
+ // Creates a unique file name for the generated code.
+
+ // Start by creating a new UUID. We cannot use the one automatically generated
+ // by ROOT because the algorithm used will not guarantee unique IDs when generating
+ // these UUIDs at a high rate in parallel.
+ TUUID uuid;
+ // We then use the generated UUID to form part of the random number seeds which
+ // will be used to generate a proper random UUID. For good measure we use a MD5
+ // hash also. Note that we want to use the TUUID class because it will combine the
+ // host address information into the UUID. Using gSystem->GetHostByName() apparently
+ // can cause problems on Windows machines with a firewall, because it always tries
+ // to contact a DNS. The TUUID class handles this case appropriately.
+ union
+ {
+ UChar_t buf[16];
+ UShort_t word[8];
+ UInt_t dword[4];
+ };
+ uuid.GetUUID(buf);
+ TMD5 md5;
+ md5.Update(buf, sizeof(buf));
+ md5.Final(buf);
+ dword[0] += gSystem->GetUid();
+ dword[1] += gSystem->GetGid();
+ dword[2] += gSystem->GetPid();
+ for (int i = 0; i < 4; ++i)
+ {
+ gRandom->SetSeed(dword[i]);
+ dword[i] = gRandom->Integer(0xFFFFFFFF);
+ }
+ md5.Update(buf, sizeof(buf));
+ md5.Final(buf);
+ // To keep to the standard we need to set the version and reserved bits.
+ word[3] = (word[3] & 0x0FFF) | 0x4000;
+ buf[8] = (buf[8] & 0x3F) | 0x80;
+
+ // Create the name of the new class and file.
+ char uuidstr[64];
+ sprintf(uuidstr, "%08x_%04x_%04x_%02x%02x_%02x%02x%02x%02x%02x%02x",
+ dword[0], word[2], word[3], buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14], buf[15]
+ );
+ name = "AliHLTGlobalTriggerImpl_";
+ name += uuidstr;
+ filename = name + ".cxx";
+
+ // For good measure, check that the file names are not used. If they are then regenerate.
+ fstream file(filename.Data(), ios_base::in);
+ if (file.good())
+ {
+ file.close();
+ GenerateFileName(name, filename);
+ }
+}
+
+
int AliHLTGlobalTriggerComponent::GenerateTrigger(
const AliHLTTriggerMenu* menu, TString& name, TString& filename,
const TClonesArray& includePaths, const TClonesArray& includeFiles
// Generates the global trigger class that will implement the specified trigger menu.
// See header for more details.
- HLTDebug("Generating custom HLT trigger class named %s using trigger menu %p.", ((void*)menu), name.Data());
-
- // Create a new UUID and replace the '-' characters with '_' to make it a valid
- // C++ symbol name.
- TUUID uuid;
- TString uuidstr = uuid.AsString();
- for (Int_t i = 0; i < uuidstr.Length(); i++)
- {
- if (uuidstr[i] == '-') uuidstr[i] = '_';
- }
-
- // Create the name of the new class.
- name = "AliHLTGlobalTriggerImpl_";
- name += uuidstr;
- filename = name + ".cxx";
+ GenerateFileName(name, filename);
+ HLTDebug("Generating custom HLT trigger class named %s, in file %s, using trigger menu %p.",
+ name.Data(), filename.Data(), ((void*)menu)
+ );
// Open a text file to write the code and generate the new class.
fstream code(filename.Data(), ios_base::out | ios_base::trunc);
code << "#if !defined(__CINT__) || defined(__MAKECINT__)" << endl;
code << "#include <cstring>" << endl;
+ code << "#include \"TClass.h\"" << endl;
code << "#include \"TString.h\"" << endl;
code << "#include \"TClonesArray.h\"" << endl;
code << "#include \"AliHLTLogging.h\"" << endl;
code << " }" << endl;
}
code << " }" << endl;
+ // The following is an optimisation where symbols without any assignment operators
+ // are treated as constant and only initialised in FillFromMenu rather than reseting
+ // them in the NewEvent method.
+ // Note: we putting this initialisation into the constructor can lead to seg faults
+ // under CINT interpretation. Thus we must put it into the FillFromMenu method instead.
+ for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
+ {
+ AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ if (TString(symbol->AssignExpression()) != "") continue;
+ if (strcmp(symbol->ObjectClass(), "AliHLTTriggerDecision") == 0) continue;
+ // CINT has problems with the implicit equals operator for complex types, so if
+ // the type has an equals operater we need to write the operator call explicitly.
+ TClass* clas = TClass::GetClass(symbol->Type());
+ if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
+ {
+ code << " " << symbol->Name() << ".operator = (" << symbol->DefaultValue() << ");" << endl;
+ }
+ else
+ {
+ code << " " << symbol->Name() << " = " << symbol->DefaultValue() << ";" << endl;
+ }
+ }
if (fDebugMode)
{
code << " HLTDebug(Form(\"Finished filling domain entries from trigger menu symbols.\"));" << endl;
for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
{
AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ // The following is an optimisation. If the symbol does not have an assignment expression
+ // then it is effectively a constant symbol and can be initialised earlier and only once.
+ // In this case we initialise it in the FillFromMenu method instead.
+ if (TString(symbol->AssignExpression()) == "") continue;
// CINT has problems with the implicit equals operator for complex types, so if
- // the type has a equals operater we need to write the operator call explicitly.
+ // the type has an equals operater we need to write the operator call explicitly.
TClass* clas = TClass::GetClass(symbol->Type());
if (clas != NULL and clas->GetMethodAny("operator=") != NULL)
{
code << " }" << endl;
// Generate the Add method.
- code << " virtual void Add(const TObject* _object_, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ bool haveAssignments = false;
+ for (Int_t i = 0; i < symbols.GetEntriesFast(); i++)
+ {
+ // First check if we have any symbols with assignment expressions.
+ // This is needed to get rid of the on the fly compilation warning about '_object_' not being used.
+ AliHLTTriggerMenuSymbol* symbol = static_cast<AliHLTTriggerMenuSymbol*>( symbols.UncheckedAt(i) );
+ TString expr = symbol->AssignExpression();
+ if (expr == "") continue; // Skip entries that have no assignment expression.
+ haveAssignments = true;
+ break;
+ }
+ if (haveAssignments or fDebugMode)
+ {
+ code << " virtual void Add(const TObject* _object_, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ }
+ else
+ {
+ code << " virtual void Add(const TObject* /*_object_*/, const AliHLTComponentDataType& _type_, AliHLTUInt32_t _spec_) {" << endl;
+ }
if (fDebugMode)
{
code << "#ifdef __CINT__" << endl;
// 30 Oct 2009 - CINT sometimes evaluates the dynamic_cast incorrectly.
// Have to use the TClass system for extra protection.
code << " const " << symbol->ObjectClass() << "* " << symbol->Name() << "_object_ = NULL;" << endl;
- code << " if (_object_->IsA() == " << symbol->ObjectClass() << "::Class()) " << symbol->Name()
+ code << " if (_object_->InheritsFrom(" << symbol->ObjectClass() << "::Class())) " << symbol->Name()
<< "_object_ = dynamic_cast<const " << symbol->ObjectClass()
<< "*>(_object_);" << endl;
code << " if (" << symbol->Name() << "_object_ != NULL && ";
HLTError("Multiple symbols with the name '%s' defined in the trigger menu.", symbol->Name());
return -EIO;
}
- new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(*symbol);
+ try
+ {
+ new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(*symbol);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the symbols list when adding a trigger menu symbol.");
+ return -ENOMEM;
+ }
}
TRegexp exp("[_a-zA-Z][-_a-zA-Z0-9]*");
newSymbol.DefaultValue("false");
if (FindSymbol(newSymbol.Name(), list) == -1)
{
- new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(newSymbol);
+ try
+ {
+ new (list[list.GetEntriesFast()]) AliHLTTriggerMenuSymbol(newSymbol);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the symbols list when adding a trigger name symbol.");
+ return -ENOMEM;
+ }
}
}
while (start < str.Length());
AliHLTUInt64_t triggerMask=pCTPData->Mask();
AliHLTUInt64_t bit0=0x1;
if (!fCTPDecisions) {
- fCTPDecisions=new TClonesArray(AliHLTTriggerDecision::Class(), gkNCTPTriggerClasses);
+ try
+ {
+ fCTPDecisions=new TClonesArray(AliHLTTriggerDecision::Class(), gkNCTPTriggerClasses);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate memory for the CTP decisions array.");
+ return -ENOMEM;
+ }
if (!fCTPDecisions) return -ENOMEM;
- fCTPDecisions->ExpandCreate(gkNCTPTriggerClasses);
+ try
+ {
+ fCTPDecisions->ExpandCreate(gkNCTPTriggerClasses);
+ }
+ catch (const std::bad_alloc&)
+ {
+ HLTError("Could not allocate more memory for the CTP decisions array.");
+ return -ENOMEM;
+ }
for (int i=0; i<gkNCTPTriggerClasses; i++) {
const char* name=pCTPData->Name(i);
if (triggerMask&(bit0<<i) && name) {
if (!pDecision) return -ENOENT;
bool result=false;
- if (trigData) result=pCTPData->EvaluateCTPTriggerClass(name, *trigData);
- else result=pCTPData->EvaluateCTPTriggerClass(name);
+ // 13 March 2010 - Optimisation:
+ // Dont use the EvaluateCTPTriggerClass method, which uses slow TFormula objects.
+ AliHLTUInt64_t triggers = 0;
+ if (trigData) triggers = pCTPData->ActiveTriggers(*trigData);
+ else triggers = pCTPData->Triggers();
+ result = (triggers&((AliHLTUInt64_t)0x1<<i)) ? true : false;
+ //if (trigData) result=pCTPData->EvaluateCTPTriggerClass(name, *trigData);
+ //else result=pCTPData->EvaluateCTPTriggerClass(name);
pDecision->Result(result);
pDecision->TriggerDomain().Clear();
if (trigData) pDecision->TriggerDomain().Add(pCTPData->ReadoutList(*trigData));
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff