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+/*
+ * 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
+
+#include <hicn/transport/utils/object_pool.h>
+
+namespace transport {
+
+namespace protocol {
+
+using namespace core;
+
+template <typename PacketType, std::size_t packet_pool_size = 4096>
+class PacketManager {
+ static_assert(std::is_base_of<Packet, PacketType>::value,
+ "The packet manager support just Interest and Data.");
+
+ public:
+ PacketManager(std::size_t size = packet_pool_size) : size_(0) {
+ // Create pool of interests
+ increasePoolSize(size);
+ }
+
+ TRANSPORT_ALWAYS_INLINE void increasePoolSize(std::size_t size) {
+ for (std::size_t i = 0; i < size; i++) {
+ interest_pool_.add(new PacketType());
+ }
+
+ size_ += size;
+ }
+
+ TRANSPORT_ALWAYS_INLINE typename PacketType::Ptr getPacket() {
+ auto result = interest_pool_.get();
+
+ while (TRANSPORT_EXPECT_FALSE(!result.first)) {
+ // Add packets to the pool
+ increasePoolSize(size_);
+ result = interest_pool_.get();
+ }
+
+ result.second->resetPayload();
+ return std::move(result.second);
+ }
+
+ private:
+ utils::ObjectPool<PacketType> interest_pool_;
+ std::size_t size_;
+};
+
+} // end namespace protocol
+
+} // end namespace transport