mirror of
https://github.com/kidfromjupiter/nearby.git
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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
// Copyright 2023 Google LLC
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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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// https://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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#ifndef THIRD_PARTY_NEARBY_INTERNAL_WEAVE_SOCKETS_INITIAL_DATA_PROVIDER_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_WEAVE_SOCKETS_INITIAL_DATA_PROVIDER_H_
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#include <string>
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#include "absl/random/random.h"
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namespace nearby {
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namespace weave {
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class InitialDataProvider {
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public:
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virtual ~InitialDataProvider() = default;
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virtual std::string Provide() { return ""; }
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};
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class RandomDataProvider : public InitialDataProvider {
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public:
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explicit RandomDataProvider(int number_of_bytes)
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: number_of_bytes_(number_of_bytes) {}
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std::string Provide() override {
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uint64_t res = absl::uniform_int_distribution<uint64_t>(
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1, pow(10, static_cast<double>(number_of_bytes_)))(prng_);
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return absl::StrCat(res);
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}
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private:
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int number_of_bytes_;
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absl::BitGen prng_;
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};
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} // namespace weave
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_INTERNAL_WEAVE_SOCKETS_INITIAL_DATA_PROVIDER_H_
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