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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fuzzing/OperationManager.h"
#include <vector>
#include "TestNeuralNetworksWrapper.h"
#include "fuzzing/RandomGraphGeneratorUtils.h"
namespace android {
namespace nn {
namespace fuzzing_test {
using namespace test_helper;
template <typename T>
inline bool hasValue(const std::vector<T>& vec, const T& val) {
// Empty vector indicates "no filter", i.e. always true.
return vec.empty() || std::count(vec.begin(), vec.end(), val) > 0;
}
bool OperationSignature::matchFilter(const OperationFilter& filter) {
if (!hasValue(filter.opcodes, opType) || !hasValue(filter.versions, version)) {
return false;
}
// Match data types.
std::vector<TestOperandType> combinedDataTypes;
for (auto dataType : supportedDataTypes) {
if (hasValue(filter.dataTypes, dataType)) combinedDataTypes.push_back(dataType);
}
if (combinedDataTypes.empty()) return false;
supportedDataTypes = combinedDataTypes;
// Match rank.
std::vector<uint32_t> combinedRanks;
for (auto rank : supportedRanks) {
if (hasValue(filter.ranks, rank)) combinedRanks.push_back(rank);
}
if (combinedRanks.empty()) return false;
supportedRanks = combinedRanks;
return true;
}
OperationManager* OperationManager::get() {
static OperationManager instance;
return &instance;
}
void OperationManager::addSignature(const std::string& name, const OperationSignature& signature) {
mOperationSignatures.emplace(name, signature);
}
void OperationManager::applyFilter(const OperationFilter& filter) {
mFilteredSignatures.clear();
for (const auto& pair : mOperationSignatures) {
mFilteredSignatures.push_back(pair.second);
if (!mFilteredSignatures.back().matchFilter(filter)) mFilteredSignatures.pop_back();
}
}
const OperationSignature& OperationManager::getRandomOperation() const {
NN_FUZZER_CHECK(!mFilteredSignatures.empty());
return getRandomChoice(mFilteredSignatures);
}
} // namespace fuzzing_test
} // namespace nn
} // namespace android