diff options
Diffstat (limited to 'libtransport/src/hicn/transport/utils/object_pool.h')
-rw-r--r-- | libtransport/src/hicn/transport/utils/object_pool.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/libtransport/src/hicn/transport/utils/object_pool.h b/libtransport/src/hicn/transport/utils/object_pool.h deleted file mode 100644 index e8f837753..000000000 --- a/libtransport/src/hicn/transport/utils/object_pool.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 2017-2019 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 - -// TODO -#include <hicn/transport/utils/spinlock.h> - -#include <deque> -#include <memory> -#include <mutex> - -namespace utils { - -template <typename T> -class ObjectPool { - class ObjectDeleter { - public: - ObjectDeleter(ObjectPool<T> *pool = nullptr) : pool_(pool) {} - - void operator()(T *t) { - if (pool_) { - pool_->add(t); - } else { - delete t; - } - } - - private: - ObjectPool<T> *pool_; - }; - - public: - using Ptr = std::unique_ptr<T, ObjectDeleter>; - - ObjectPool() : destructor_(false) {} - - ~ObjectPool() { - destructor_ = true; - for (auto &ptr : object_pool_) { - ptr.reset(); - } - } - - std::pair<bool, Ptr> get() { - if (object_pool_.empty()) { - return std::make_pair<bool, Ptr>(false, makePtr(nullptr)); - } - - utils::SpinLock::Acquire locked(object_pool_lock_); - auto ret = std::move(object_pool_.front()); - object_pool_.pop_front(); - return std::make_pair<bool, Ptr>(true, std::move(ret)); - } - - void add(T *object) { - utils::SpinLock::Acquire locked(object_pool_lock_); - - if (TRANSPORT_EXPECT_TRUE(!destructor_)) { - object_pool_.emplace_back(makePtr(object)); - } else { - delete object; - } - } - - Ptr makePtr(T *object) { return Ptr(object, ObjectDeleter(this)); } - - private: - // No copies - ObjectPool(const ObjectPool &other) = delete; - - utils::SpinLock object_pool_lock_; - std::deque<Ptr> object_pool_; - bool destructor_; -}; - -} // namespace utils
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