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///////////////////////////////////////////////////////////////////////////////
//
// PrescaleService
// ---------------
//
///////////////////////////////////////////////////////////////////////////////
#include "FWCore/PrescaleService/interface/PrescaleService.h"
#include "FWCore/ServiceRegistry/interface/ActivityRegistry.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/ServiceRegistry/interface/ProcessContext.h"
#include "FWCore/Utilities/interface/Exception.h"
#include <iostream>
#include <set>
#include <algorithm>
namespace edm {
namespace service {
// constructor
PrescaleService::PrescaleService(ParameterSet const& iPS, ActivityRegistry& iReg)
: forceDefault_(iPS.getParameter<bool>("forceDefault")),
lvl1Labels_(iPS.getParameter<std::vector<std::string> >("lvl1Labels")),
lvl1Default_(findDefaultIndex(iPS.getParameter<std::string>("lvl1DefaultLabel"), lvl1Labels_)),
vpsetPrescales_(iPS.getParameterSetVector("prescaleTable")),
prescaleTable_() {
iReg.watchPreBeginJob(this, &PrescaleService::preBeginJob);
iReg.watchPostBeginJob(this, &PrescaleService::postBeginJob);
// Sanity check
if (lvl1Default_ >= lvl1Labels_.size()) {
throw cms::Exception("InvalidLvl1Index")
<< "lvl1Default_ '" << lvl1Default_ << "' exceeds number of prescale columns " << lvl1Labels_.size() << "!";
}
// Check and store Prescale Table
for (unsigned int iVPSet = 0; iVPSet < vpsetPrescales_.size(); ++iVPSet) {
const ParameterSet& psetPrescales = vpsetPrescales_[iVPSet];
const std::string pathName = psetPrescales.getParameter<std::string>("pathName");
if (prescaleTable_.find(pathName) != prescaleTable_.end()) {
throw cms::Exception("PrescaleServiceConfigError") << " Path '" << pathName << "' found more than once!";
}
std::vector<unsigned int> prescales = psetPrescales.getParameter<std::vector<unsigned int> >("prescales");
if (prescales.size() != lvl1Labels_.size()) {
throw cms::Exception("PrescaleServiceConfigError")
<< " Path '" << pathName << "' has " << prescales.size() << " prescales, instead of expected "
<< lvl1Labels_.size() << "!";
}
prescaleTable_[pathName] = prescales;
}
}
// destructor
PrescaleService::~PrescaleService() {}
// member functions
void PrescaleService::preBeginJob(ProcessContext const& processContext) {
if (!processParameterSetID_.isValid()) {
processParameterSetID_ = processContext.parameterSetID();
}
}
void PrescaleService::postBeginJob() {
// Acess to Process ParameterSet needed - can't be done in c'tor
ParameterSet const& prcPS = edm::getParameterSet(processParameterSetID_);
// Label of HLTPrescaler on each path, keyed on pathName
std::map<std::string, std::string> path2module;
// Name of path for each HLTPrescaler, keyed on moduleLabel
std::map<std::string, std::string> module2path;
// Check process config:
// * each path contains at most one HLTPrescaler instance
// * each HLTPrescaler instance is part of at most one path
// * each HLTPrescaler instance is part of at least one ptah
// Find all HLTPrescaler instances
const std::vector<std::string> allModules = prcPS.getParameter<std::vector<std::string> >("@all_modules");
for (unsigned int i = 0; i < allModules.size(); ++i) {
ParameterSet const& pset = prcPS.getParameterSet(allModules[i]);
const std::string moduleLabel = pset.getParameter<std::string>("@module_label");
const std::string moduleType = pset.getParameter<std::string>("@module_type");
if (moduleType == "HLTPrescaler")
module2path[moduleLabel] = "";
}
// Check all modules on all paths
const std::vector<std::string> allPaths = prcPS.getParameter<std::vector<std::string> >("@paths");
for (unsigned int iP = 0; iP < allPaths.size(); ++iP) {
const std::string& pathName = allPaths[iP];
std::vector<std::string> modules = prcPS.getParameter<std::vector<std::string> >(pathName);
for (unsigned int iM = 0; iM < modules.size(); ++iM) {
const std::string& moduleLabel = modules[iM];
if (module2path.find(moduleLabel) != module2path.end()) {
if (path2module.find(pathName) == path2module.end()) {
path2module[pathName] = moduleLabel;
} else {
throw cms::Exception("PrescaleServiceConfigError")
<< "Path '" << pathName << "' with (>1) HLTPrescalers: " << path2module[pathName] << "+"
<< moduleLabel << "!";
}
if (module2path[moduleLabel].empty()) {
module2path[moduleLabel] = pathName;
} else {
throw cms::Exception("PrescaleServiceConfigError")
<< " HLTPrescaler '" << moduleLabel << "' on (>1) Paths: " << module2path[moduleLabel] << "+"
<< pathName << "!";
}
}
}
}
// Check all HLTPrescaler instances are on a path
for (std::map<std::string, std::string>::const_iterator it = module2path.begin(); it != module2path.end(); ++it) {
if (it->second.empty()) {
throw cms::Exception("PrescaleServiceConfigError")
<< " HLTPrescaler '" << it->first << "' not found on any path!";
}
}
// Check paths stored Prescale Table: each path is actually in the process config
for (std::map<std::string, std::vector<unsigned int> >::const_iterator it = prescaleTable_.begin();
it != prescaleTable_.end();
++it) {
if (path2module.find(it->first) == path2module.end()) {
throw cms::Exception("PrescaleServiceConfigError")
<< " Path '" << it->first << "' is unknown or does not contain any HLTPrescaler!";
}
}
}
// const method
unsigned int PrescaleService::getPrescale(std::string const& prescaledPath) const {
return getPrescale(lvl1Default_, prescaledPath);
}
// const method
unsigned int PrescaleService::getPrescale(unsigned int lvl1Index, std::string const& prescaledPath) const {
if (forceDefault_)
lvl1Index = lvl1Default_;
if (lvl1Index >= lvl1Labels_.size()) {
throw cms::Exception("InvalidLvl1Index")
<< "lvl1Index '" << lvl1Index << "' exceeds number of prescale columns " << lvl1Labels_.size() << "!";
}
PrescaleTable_t::const_iterator it = prescaleTable_.find(prescaledPath);
return (it == prescaleTable_.end()) ? 1 : it->second[lvl1Index];
}
// static method
unsigned int PrescaleService::findDefaultIndex(std::string const& label, std::vector<std::string> const& labels) {
for (unsigned int i = 0; i < labels.size(); ++i) {
if (labels[i] == label) {
return i;
}
}
return labels.size();
}
// static method
void PrescaleService::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
std::vector<std::string> defaultVector;
defaultVector.push_back(std::string("default"));
desc.add<std::vector<std::string> >("lvl1Labels", defaultVector);
// This default vector<ParameterSet> will be used when
// the configuration does not include this parameter and
// it also gets written into the generated cfi file.
std::vector<edm::ParameterSet> defaultVPSet;
edm::ParameterSet pset0;
pset0.addParameter<std::string>("pathName", std::string("HLTPath"));
std::vector<unsigned> defaultVectorU;
defaultVectorU.push_back(1u);
pset0.addParameter<std::vector<unsigned> >("prescales", defaultVectorU);
defaultVPSet.push_back(pset0);
edm::ParameterSetDescription validator;
validator.add<std::string>("pathName");
validator.add<std::vector<unsigned int> >("prescales");
desc.addVPSet("prescaleTable", validator, defaultVPSet);
desc.add<std::string>("lvl1DefaultLabel", std::string("default"));
desc.add<bool>("forceDefault", false);
descriptions.add("PrescaleService", desc);
}
} // namespace service
} // namespace edm
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