diff options
author | Mauro <you@example.com> | 2021-06-30 07:57:22 +0000 |
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committer | Mauro Sardara <msardara@cisco.com> | 2021-07-06 16:16:04 +0000 |
commit | 08233d44a6cfde878d7e10bca38ae935ed1c8fd5 (patch) | |
tree | 7ecc534d55bdc7e8dd15ecab084720910bcdf4d9 /libtransport/src/protocols/manifest_incremental_indexer_bytestream.h | |
parent | 147ba39bed26887f5eba84757e2463ab8e370a9a (diff) |
[HICN-713] Transport Library Major Refactoring 2
Co-authored-by: Luca Muscariello <muscariello@ieee.org>
Co-authored-by: Michele Papalini <micpapal@cisco.com>
Co-authored-by: Olivier Roques <oroques+fdio@cisco.com>
Co-authored-by: Giulio Grassi <gigrassi@cisco.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I5b2c667bad66feb45abdb5effe22ed0f6c85d1c2
Diffstat (limited to 'libtransport/src/protocols/manifest_incremental_indexer_bytestream.h')
-rw-r--r-- | libtransport/src/protocols/manifest_incremental_indexer_bytestream.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libtransport/src/protocols/manifest_incremental_indexer_bytestream.h b/libtransport/src/protocols/manifest_incremental_indexer_bytestream.h new file mode 100644 index 000000000..d8cf5892f --- /dev/null +++ b/libtransport/src/protocols/manifest_incremental_indexer_bytestream.h @@ -0,0 +1,92 @@ +/* + * 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/auth/common.h> +#include <implementation/socket.h> +#include <protocols/incremental_indexer_bytestream.h> +#include <utils/suffix_strategy.h> + +#include <list> + +namespace transport { +namespace protocol { + +class ManifestIncrementalIndexer : public IncrementalIndexer { + static constexpr double alpha = 0.3; + + public: + using SuffixQueue = std::queue<uint32_t>; + using InterestContentPair = + std::tuple<core::Interest::Ptr, core::ContentObject::Ptr, bool>; + + ManifestIncrementalIndexer(implementation::ConsumerSocket *icn_socket, + TransportProtocol *transport); + + ManifestIncrementalIndexer(IncrementalIndexer &&indexer) + : IncrementalIndexer(std::move(indexer)), + suffix_strategy_(utils::SuffixStrategyFactory::getSuffixStrategy( + core::NextSegmentCalculationStrategy::INCREMENTAL, + next_download_suffix_, 0)) { + for (uint32_t i = first_suffix_; i < next_download_suffix_; i++) { + suffix_queue_.push(i); + } + } + + virtual ~ManifestIncrementalIndexer() = default; + + void reset() override; + + void onContentObject(core::Interest &interest, + core::ContentObject &content_object, + bool reassembly) override; + + uint32_t checkNextSuffix() override; + + uint32_t getNextSuffix() override; + + uint32_t getNextReassemblySegment() override; + + bool isFinalSuffixDiscovered() override; + + uint32_t getFinalSuffix() override; + + protected: + std::unique_ptr<utils::SuffixStrategy> suffix_strategy_; + SuffixQueue suffix_queue_; + + // Hash verification + auth::Verifier::SuffixMap suffix_map_; + std::unordered_map<auth::Suffix, InterestContentPair> unverified_segments_; + + private: + void onUntrustedManifest(core::Interest &interest, + core::ContentObject &content_object, + bool reassembly); + void processTrustedManifest(core::Interest &interest, + std::unique_ptr<ContentObjectManifest> manifest, + bool reassembly); + void onUntrustedContentObject(core::Interest &interest, + core::ContentObject &content_object, + bool reassembly); + void applyPolicy(core::Interest &interest, + core::ContentObject &content_object, bool reassembly, + auth::VerificationPolicy policy); +}; + +} // end namespace protocol + +} // end namespace transport |