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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/manifest_format.h>
#include <glog/logging.h>
#include <hicn/transport/auth/verifier.h>
#include <hicn/transport/core/global_object_pool.h>
#include <hicn/transport/core/packet.h>
namespace transport {
namespace core {
template <typename FormatTraits>
class Manifest : public FormatTraits::Encoder, public FormatTraits::Decoder {
public:
using Ptr = std::shared_ptr<Manifest>;
using Encoder = typename FormatTraits::Encoder;
using Decoder = typename FormatTraits::Decoder;
using Hash = typename FormatTraits::Hash;
using HashType = typename FormatTraits::HashType;
using Suffix = typename FormatTraits::Suffix;
using SuffixList = typename FormatTraits::SuffixList;
using HashEntry = std::pair<auth::CryptoHashType, std::vector<uint8_t>>;
Manifest(Packet::Ptr packet, bool clear = false)
: Encoder(packet, clear), Decoder(packet), packet_(packet) {
packet->setPayloadType(PayloadType::MANIFEST);
}
virtual ~Manifest() = default;
Packet::Ptr getPacket() const { return packet_; }
void setHeaders(ManifestType type, uint8_t max_capacity, HashType hash_algo,
bool is_last, const Name &base_name) {
Encoder::setType(type);
Encoder::setMaxCapacity(max_capacity);
Encoder::setHashAlgorithm(hash_algo);
Encoder::setIsLast(is_last);
Encoder::setBaseName(base_name);
}
auth::Verifier::SuffixMap getSuffixMap() const {
auth::Verifier::SuffixMap suffix_map;
HashType hash_algo = Decoder::getHashAlgorithm();
SuffixList suffix_list = Decoder::getEntries();
for (auto it = suffix_list.begin(); it != suffix_list.end(); ++it) {
Hash hash(it->second, Hash::getSize(hash_algo), hash_algo);
suffix_map[it->first] = hash;
}
return suffix_map;
}
static Manifest::Ptr createContentManifest(Packet::Format format,
const core::Name &manifest_name,
std::size_t signature_size) {
ContentObject::Ptr content_object =
core::PacketManager<>::getInstance().getPacket<ContentObject>(
format, signature_size);
content_object->setName(manifest_name);
return std::make_shared<Manifest>(content_object, true);
};
protected:
Packet::Ptr packet_;
};
} // end namespace core
} // end namespace transport
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