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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/interfaces/callbacks.h>
#include <hicn/transport/interfaces/socket_consumer.h>
#include <hicn/transport/interfaces/statistics.h>
#include <hicn/transport/utils/object_pool.h>
#include <implementation/socket.h>
#include <protocols/data_processing_events.h>
#include <protocols/indexer.h>
#include <protocols/packet_manager.h>
#include <protocols/reassembly.h>
#include <atomic>
namespace transport {
namespace protocol {
using namespace core;
class IndexVerificationManager;
using ReadCallback = interface::ConsumerSocket::ReadCallback;
class TransportProtocolCallback {
virtual void onContentObject(const core::Interest &interest,
const core::ContentObject &content_object) = 0;
virtual void onTimeout(const core::Interest &interest) = 0;
};
class TransportProtocol : public implementation::BasePortal::ConsumerCallback,
public PacketManager<Interest>,
public ContentObjectProcessingEventCallback {
static constexpr std::size_t interest_pool_size = 4096;
friend class ManifestIndexManager;
public:
TransportProtocol(implementation::ConsumerSocket *icn_socket,
Reassembly *reassembly_protocol);
virtual ~TransportProtocol() = default;
TRANSPORT_ALWAYS_INLINE bool isRunning() { return is_running_; }
virtual int start();
virtual void stop();
virtual void resume();
virtual bool verifyKeyPackets() = 0;
virtual void scheduleNextInterests() = 0;
// Events generated by the indexing
virtual void onContentReassembled(std::error_code ec);
virtual void onPacketDropped(
Interest::Ptr &&interest,
ContentObject::Ptr &&content_object) override = 0;
virtual void onReassemblyFailed(std::uint32_t missing_segment) override = 0;
protected:
// Consumer Callback
virtual void reset() = 0;
virtual void onContentObject(Interest::Ptr &&i,
ContentObject::Ptr &&c) override = 0;
virtual void onTimeout(Interest::Ptr &&i) override = 0;
virtual void onError(std::error_code ec) override {}
protected:
implementation::ConsumerSocket *socket_;
std::unique_ptr<Reassembly> reassembly_protocol_;
std::unique_ptr<IndexManager> index_manager_;
std::shared_ptr<implementation::BasePortal> portal_;
std::atomic<bool> is_running_;
// True if it si the first time we schedule an interest
std::atomic<bool> is_first_;
interface::TransportStatistics *stats_;
// Callbacks
interface::ConsumerInterestCallback *on_interest_retransmission_;
interface::ConsumerInterestCallback *on_interest_output_;
interface::ConsumerInterestCallback *on_interest_timeout_;
interface::ConsumerInterestCallback *on_interest_satisfied_;
interface::ConsumerContentObjectCallback *on_content_object_input_;
interface::ConsumerContentObjectVerificationCallback
*on_content_object_verification_;
interface::ConsumerContentObjectCallback *on_content_object_;
interface::ConsumerTimerCallback *stats_summary_;
interface::ConsumerContentObjectVerificationFailedCallback
*verification_failed_callback_;
ReadCallback *on_payload_;
bool is_async_;
};
} // end namespace protocol
} // end namespace transport
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