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DataSamplingPolicy.cxx
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168 lines (135 loc) · 5.37 KB
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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// \file DataSamplingPolicy.cxx
/// \brief Implementation of O2 Data Sampling Policy
///
/// \author Piotr Konopka, piotr.jan.konopka@cern.ch
#include "Framework/DataSamplingPolicy.h"
#include "Framework/DataSamplingHeader.h"
#include "Framework/DataSamplingConditionFactory.h"
#include "Framework/DataSpecUtils.h"
#include "Framework/DataDescriptorQueryBuilder.h"
#include <boost/property_tree/ptree.hpp>
namespace o2::framework
{
using boost::property_tree::ptree;
DataSamplingPolicy::DataSamplingPolicy() = default;
DataSamplingPolicy::DataSamplingPolicy(const ptree& config)
{
configure(config);
}
DataSamplingPolicy::~DataSamplingPolicy() = default;
void DataSamplingPolicy::configure(const ptree& config)
{
mName = config.get<std::string>("id");
if (mName.size() > 14) {
LOG(WARNING) << "DataSamplingPolicy name '" << mName << "' is longer than 14 characters, we have to trim it. "
<< "Use a shorter policy name to avoid potential output name conflicts.";
mName.resize(14);
}
auto subSpecString = config.get_optional<std::string>("subSpec").value_or("*");
auto subSpec = subSpecString.find_first_of("-*") != std::string::npos ? -1 : std::strtoull(subSpecString.c_str(), nullptr, 10);
mPaths.clear();
size_t outputId = 0;
std::vector<InputSpec> inputSpecs = DataDescriptorQueryBuilder::parse(config.get<std::string>("query").c_str());
for (const auto& inputSpec : inputSpecs) {
if (DataSpecUtils::getOptionalSubSpec(inputSpec).has_value()) {
OutputSpec outputSpec{
{inputSpec.binding},
createPolicyDataOrigin(),
createPolicyDataDescription(mName, outputId++),
DataSpecUtils::getOptionalSubSpec(inputSpec).value(),
inputSpec.lifetime};
mPaths.push_back({inputSpec, outputSpec});
} else {
OutputSpec outputSpec{
{inputSpec.binding},
{createPolicyDataOrigin(), createPolicyDataDescription(mName, outputId++)},
inputSpec.lifetime};
mPaths.push_back({inputSpec, outputSpec});
}
}
mConditions.clear();
for (const auto& conditionConfig : config.get_child("samplingConditions")) {
mConditions.push_back(DataSamplingConditionFactory::create(conditionConfig.second.get<std::string>("condition")));
mConditions.back()->configure(conditionConfig.second);
}
mFairMQOutputChannel = config.get_optional<std::string>("fairMQOutput").value_or("");
}
bool DataSamplingPolicy::match(const ConcreteDataMatcher& input) const
{
return mPaths.find(input) != mPaths.end();
}
bool DataSamplingPolicy::decide(const o2::framework::DataRef& dataRef)
{
bool decision = std::all_of(mConditions.begin(), mConditions.end(),
[dataRef](std::unique_ptr<DataSamplingCondition>& condition) {
return condition->decide(dataRef);
});
mTotalAcceptedMessages += decision;
mTotalEvaluatedMessages++;
return decision;
}
const Output DataSamplingPolicy::prepareOutput(const ConcreteDataMatcher& input, Lifetime lifetime) const
{
auto result = mPaths.find(input);
if (result != mPaths.end()) {
auto dataType = DataSpecUtils::asConcreteDataTypeMatcher(result->second);
return Output{dataType.origin, dataType.description, input.subSpec, lifetime};
} else {
return Output{header::gDataOriginInvalid, header::gDataDescriptionInvalid};
}
}
const std::string& DataSamplingPolicy::getName() const
{
return mName;
}
const DataSamplingPolicy::PathMap& DataSamplingPolicy::getPathMap() const
{
return mPaths;
}
const std::string& DataSamplingPolicy::getFairMQOutputChannel() const
{
return mFairMQOutputChannel;
}
std::string DataSamplingPolicy::getFairMQOutputChannelName() const
{
size_t nameBegin = mFairMQOutputChannel.find("name=") + sizeof("name=") - 1;
size_t nameEnd = mFairMQOutputChannel.find_first_of(',', nameBegin);
std::string name = mFairMQOutputChannel.substr(nameBegin, nameEnd - nameBegin);
return name;
}
uint32_t DataSamplingPolicy::getTotalAcceptedMessages() const
{
return mTotalAcceptedMessages;
}
uint32_t DataSamplingPolicy::getTotalEvaluatedMessages() const
{
return mTotalEvaluatedMessages;
}
header::DataOrigin DataSamplingPolicy::createPolicyDataOrigin()
{
return header::DataOrigin("DS");
}
header::DataDescription DataSamplingPolicy::createPolicyDataDescription(std::string policyName, size_t id)
{
if (id > 99) {
throw std::runtime_error("Maximum 100 inputs in DataSamplingPolicy are supported. Call the developers if you really need more.");
}
if (policyName.size() > 14) {
LOG(WARNING) << "DataSamplingPolicy name '" << policyName << "' is longer than 14 characters, we have to trim it. "
<< "Use a shorter policy name to avoid potential output name conflicts.";
policyName.resize(14);
}
header::DataDescription outputDescription;
outputDescription.runtimeInit((policyName + std::to_string(id)).c_str());
return outputDescription;
}
} // namespace o2::framework