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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 <core/facade.h>
namespace transport {
namespace implementation {
class ConsumerReadCallback;
class ConsumerSocket;
} // namespace implementation
namespace protocol {
class TransportProtocol;
class Indexer;
// Forward Declaration
class ManifestManager;
class Reassembly {
public:
class ContentReassembledCallback {
public:
virtual void onContentReassembled(const std::error_code &ec) = 0;
};
Reassembly(implementation::ConsumerSocket *icn_socket,
TransportProtocol *transport_protocol)
: reassembly_consumer_socket_(icn_socket),
transport_protocol_(transport_protocol) {}
virtual ~Reassembly() = default;
/**
* Handle reassembly of content object.
*/
virtual void reassemble(core::ContentObject &content_object) = 0;
/**
* Handle reassembly of content object.
*/
virtual void reassemble(utils::MemBuf &buffer, uint32_t suffix) = 0;
/**
* Handle reassembly of manifest
*/
virtual void reassemble(
std::unique_ptr<core::ContentObjectManifest> &&manifest) = 0;
/**
* Reset reassembler for new round
*/
virtual void reInitialize() = 0;
/**
* Use indexer to get next segments to reassembly
*/
virtual void setIndexer(Indexer *indexer) { indexer_verifier_ = indexer; }
/**
* Decide if it is required to pass to application buffers whose verification
* has been delayed (e.g. because the manifest is missing). False by default.
*/
virtual bool reassembleUnverified() { return false; }
protected:
/**
* Notify application there is data to read.
*/
virtual void notifyApplication();
protected:
implementation::ConsumerSocket *reassembly_consumer_socket_;
TransportProtocol *transport_protocol_;
Indexer *indexer_verifier_;
std::unique_ptr<utils::MemBuf> read_buffer_;
};
} // namespace protocol
} // end namespace transport
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