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45 lines
1.3 KiB
45 lines
1.3 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "include/random_generator.h"
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namespace wifi_offload_test {
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namespace {
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/* use default seed (vs. random seed) to reproduce the same sequence on
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* different runs */
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constexpr bool kUseDefaultSeed = true;
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} // namespace
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RandomGenerator::RandomGenerator() {
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if (kUseDefaultSeed) {
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initial_seed_ = random_engine_.default_seed;
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} else {
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/* Used to obtain a seed for the random number engine */
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std::random_device random_device;
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// save the seed for future resets
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initial_seed_ = random_device();
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}
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Reset();
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}
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void RandomGenerator::Reset() {
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random_engine_.seed(initial_seed_);
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uniform_distribution_.reset();
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}
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} // namespace wifi_offload_test
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