diff options
Diffstat (limited to 'libtransport/src/hicn/transport/core/manifest_format_fixed.h')
| -rw-r--r-- | libtransport/src/hicn/transport/core/manifest_format_fixed.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/libtransport/src/hicn/transport/core/manifest_format_fixed.h b/libtransport/src/hicn/transport/core/manifest_format_fixed.h deleted file mode 100644 index 2c6e2bced..000000000 --- a/libtransport/src/hicn/transport/core/manifest_format_fixed.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * 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/packet.h> - -#include <string> - -namespace transport { - -namespace core { - -// 0 1 2 3 -// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// |Version| MType |HashAlg|NextStr| Flags |NumberOfEntries| -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// | Final Block Number | -// +---------------------------------------------------------------| -// | | -// + + -// | | -// + Prefix + -// | | -// + + -// | | -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// | Suffix | -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// | Hash Value | -// | | -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - -class FixedManifestEncoder; -class FixedManifestDecoder; -class Packet; - -struct Fixed { - using Encoder = FixedManifestEncoder; - using Decoder = FixedManifestDecoder; - using HashType = utils::CryptoHash; - using SuffixList = std::list<std::pair<std::uint32_t, std::uint8_t *>>; -}; - -struct Flags { - std::uint8_t ipv6 : 1; - std::uint8_t is_last : 1; - std::uint8_t unused : 6; -}; - -struct ManifestEntry { - std::uint32_t suffix; - std::uint32_t hash[8]; -}; - -struct ManifestHeader { - std::uint8_t version : 4; - std::uint8_t manifest_type : 4; - std::uint8_t hash_algorithm : 4; - std::uint8_t next_segment_strategy : 4; - Flags flags; - std::uint8_t number_of_entries; - std::uint32_t final_block_number; - std::uint32_t prefix[4]; - ManifestEntry entries[0]; -}; - -static const constexpr std::uint8_t manifest_version = 1; - -class FixedManifestEncoder : public ManifestEncoder<FixedManifestEncoder> { - public: - FixedManifestEncoder(Packet &packet, std::size_t signature_size = 0); - - ~FixedManifestEncoder(); - - FixedManifestEncoder &encodeImpl(); - - FixedManifestEncoder &clearImpl(); - - FixedManifestEncoder &setManifestTypeImpl(ManifestType manifest_type); - - FixedManifestEncoder &setHashAlgorithmImpl(HashAlgorithm algorithm); - - FixedManifestEncoder &setNextSegmentCalculationStrategyImpl( - NextSegmentCalculationStrategy strategy); - - FixedManifestEncoder &setBaseNameImpl(const core::Name &base_name); - - FixedManifestEncoder &addSuffixAndHashImpl(uint32_t suffix, - const utils::CryptoHash &hash); - - FixedManifestEncoder &setIsFinalManifestImpl(bool is_last); - - FixedManifestEncoder &setVersionImpl(ManifestVersion version); - - std::size_t estimateSerializedLengthImpl(std::size_t additional_entries = 0); - - FixedManifestEncoder &updateImpl(); - - FixedManifestEncoder &setFinalBlockNumberImpl( - std::uint32_t final_block_number); - - static std::size_t getManifestHeaderSizeImpl(); - - static std::size_t getManifestEntrySizeImpl(); - - private: - void addSuffixHashBytes(uint32_t suffix, const uint8_t *hash, - std::size_t length); - - Packet &packet_; - std::size_t max_size_; - std::unique_ptr<utils::MemBuf> manifest_; - ManifestHeader *manifest_header_; - ManifestEntry *manifest_entries_; - std::size_t current_entry_; - std::size_t signature_size_; -}; - -class FixedManifestDecoder : public ManifestDecoder<FixedManifestDecoder> { - public: - FixedManifestDecoder(Packet &packet); - - ~FixedManifestDecoder(); - - void decodeImpl(); - - FixedManifestDecoder &clearImpl(); - - ManifestType getManifestTypeImpl() const; - - HashAlgorithm getHashAlgorithmImpl() const; - - NextSegmentCalculationStrategy getNextSegmentCalculationStrategyImpl() const; - - typename Fixed::SuffixList getSuffixHashListImpl(); - - core::Name getBaseNameImpl() const; - - bool getIsFinalManifestImpl() const; - - std::size_t estimateSerializedLengthImpl( - std::size_t additional_entries = 0) const; - - ManifestVersion getVersionImpl() const; - - uint32_t getFinalBlockNumberImpl() const; - - private: - Packet &packet_; - ManifestHeader *manifest_header_; - ManifestEntry *manifest_entries_; -}; - -} // namespace core - -} // namespace transport |