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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* 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.
*/
#pragma once
#include <hicn/transport/utils/singleton.h>
#include <atomic>
#include <mutex>
namespace transport {
namespace core {
template <typename T = uint64_t>
class GlobalCounter : public utils::Singleton<GlobalCounter<T>> {
public:
friend class utils::Singleton<GlobalCounter>;
T getNext() { return counter_++; }
private:
GlobalCounter() : counter_(0) {}
std::atomic<T> counter_;
};
} // namespace core
} // namespace transport
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