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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/core/content_object.h>
#include <functional>
namespace transport {
namespace protocol {
/**
* Interface classes to integrate FEC inside any producer transport protocol
*/
class ProducerFECBase {
public:
/**
* Callback, to be called by implementations as soon as a repair packet is
* ready.
*/
using RepairPacketsReady =
std::function<void(std::vector<core::ContentObject::Ptr> &)>;
/**
* Producers will call this function upon production of a new packet.
*/
virtual void onPacketProduced(const core::ContentObject &content_object) = 0;
/**
* Set callback to signal production protocol the repair packet is ready.
*/
void setFECCallback(const RepairPacketsReady &on_repair_packet) {
rep_packet_ready_callback_ = on_repair_packet;
}
protected:
RepairPacketsReady rep_packet_ready_callback_;
};
/**
* Interface classes to integrate FEC inside any consumer transport protocol
*/
class ConsumerFECBase {
public:
/**
* Callback, to be called by implemrntations as soon as a packet is recovered.
*/
using OnPacketsRecovered =
std::function<void(std::vector<core::ContentObject::Ptr> &)>;
/**
* Consumers will call this function when they receive a FEC packet.
*/
virtual void onFECPacket(const core::ContentObject &content_object) = 0;
/**
* Consumers will call this function when they receive a data packet
*/
virtual void onDataPacket(const core::ContentObject &content_object) = 0;
/**
* Set callback to signal consumer protocol the repair packet is ready.
*/
void setFECCallback(const OnPacketsRecovered &on_repair_packet) {
packet_recovered_callback_ = on_repair_packet;
}
protected:
OnPacketsRecovered packet_recovered_callback_;
};
} // namespace protocol
} // namespace transport
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