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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/core/manifest_format.h>
#include <hicn/transport/core/name.h>
extern "C" {
#include <parc/algol/parc_JSON.h>
}
#include <string>
namespace transport {
namespace core {
class JSONManifestEncoder;
class JSONManifestDecoder;
class Packet;
struct JSON {
using Encoder = JSONManifestEncoder;
using Decoder = JSONManifestDecoder;
};
template <typename T>
struct JSONKey;
template <>
struct JSONKey<HashAlgorithm> {
static const constexpr char *key = "hash_algorithm";
};
template <>
struct JSONKey<ManifestType> {
static const constexpr char *key = "manifest_type";
};
template <>
struct JSONKey<NextSegmentCalculationStrategy> {
static const constexpr char *key = "next_segment_strategy";
};
template <>
struct JSONKey<NameHashList> {
static const constexpr char *key = "name_hash_list";
};
template <>
struct JSONKey<SuffixHashList> {
static const constexpr char *key = "suffix_hash_list";
};
template <>
struct JSONKey<core::Name> {
static const constexpr char *key = "base_name";
};
template <>
struct JSONKey<bool> {
static const constexpr char *final_manifest = "final_manifest";
};
// template <>
// struct JSONKey<base_name> {
// static const std::string key = "name_hash_list";
//};
// namespace JSONManifestEncoding {
// static const std::string base_name = "base_name";
// static const std::string final_chunk_number = "final_chunk_number";
// static const std::string hash_algorithm = "hash_algorithm";
// static const std::string manifest_type = "manifest_type";
// static const std::string name_hash_list = "name_hash_list";
// static const std::string next_segment_strategy = "next_segment_strategy";
//}
class JSONManifestEncoder : public ManifestEncoder<JSONManifestEncoder> {
public:
JSONManifestEncoder();
~JSONManifestEncoder();
JSONManifestEncoder &encodeImpl(Packet &packet);
JSONManifestEncoder &clearImpl();
JSONManifestEncoder &setManifestTypeImpl(ManifestType manifest_type);
JSONManifestEncoder &setHashAlgorithmImpl(HashAlgorithm algorithm);
JSONManifestEncoder &setNextSegmentCalculationStrategyImpl(
NextSegmentCalculationStrategy strategy);
JSONManifestEncoder &setSuffixHashListImpl(
const SuffixHashList &name_hash_list);
JSONManifestEncoder &setBaseNameImpl(const core::Name &base_name);
JSONManifestEncoder &addSuffixAndHashImpl(uint32_t suffix, uint64_t hash);
JSONManifestEncoder &setIsFinalManifestImpl(bool is_last);
private:
PARCJSON *root_;
};
class JSONManifestDecoder : public ManifestDecoder<JSONManifestDecoder> {
public:
JSONManifestDecoder();
~JSONManifestDecoder();
void decodeImpl(const uint8_t *payload, std::size_t payload_size);
JSONManifestDecoder &clearImpl();
ManifestType getManifestTypeImpl() const;
HashAlgorithm getHashAlgorithmImpl() const;
uint32_t getFinalChunkImpl() const;
NextSegmentCalculationStrategy getNextSegmentCalculationStrategyImpl() const;
SuffixHashList getSuffixHashListImpl();
core::Name getBaseNameImpl() const;
bool getIsFinalManifestImpl();
private:
PARCJSON *root_;
};
} // namespace core
} // namespace transport
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