From f4433f28b509a9f67ca85d79000ccf9c2f4b7a24 Mon Sep 17 00:00:00 2001
From: Mauro Sardara <msardara@cisco.com>
Date: Fri, 21 Feb 2020 11:52:28 +0100
Subject: [HICN-534] Major rework on libtransport organization

Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>
---
 libtransport/src/core/manifest.h | 150 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 libtransport/src/core/manifest.h

(limited to 'libtransport/src/core/manifest.h')

diff --git a/libtransport/src/core/manifest.h b/libtransport/src/core/manifest.h
new file mode 100644
index 000000000..b4875bf22
--- /dev/null
+++ b/libtransport/src/core/manifest.h
@@ -0,0 +1,150 @@
+/*
+ * 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/content_object.h>
+#include <hicn/transport/core/name.h>
+
+#include <core/manifest_format.h>
+
+#include <set>
+
+namespace transport {
+
+namespace core {
+
+using typename core::Name;
+using typename core::Packet;
+using typename core::PayloadType;
+
+template <typename Base, typename FormatTraits, typename ManifestImpl>
+class Manifest : public Base {
+  static_assert(std::is_base_of<Packet, Base>::value,
+                "Base must inherit from packet!");
+
+ public:
+  using Encoder = typename FormatTraits::Encoder;
+  using Decoder = typename FormatTraits::Decoder;
+
+  Manifest(std::size_t signature_size = 0)
+      : Base(HF_INET6_TCP_AH),
+        encoder_(*this, signature_size),
+        decoder_(*this) {
+    Base::setPayloadType(PayloadType::MANIFEST);
+  }
+
+  Manifest(const core::Name &name, std::size_t signature_size = 0)
+      : Base(name, HF_INET6_TCP_AH),
+        encoder_(*this, signature_size),
+        decoder_(*this) {
+    Base::setPayloadType(PayloadType::MANIFEST);
+  }
+
+  template <typename T>
+  Manifest(T &&base)
+      : Base(std::forward<T &&>(base)), encoder_(*this), decoder_(*this) {
+    Base::setPayloadType(PayloadType::MANIFEST);
+  }
+
+  virtual ~Manifest() = default;
+
+  std::size_t estimateManifestSize(std::size_t additional_entries = 0) {
+    return static_cast<ManifestImpl &>(*this).estimateManifestSizeImpl(
+        additional_entries);
+  }
+
+  /*
+   * After the call to encode, users MUST call clear before adding data
+   * to the manifest.
+   */
+  Manifest &encode() { return static_cast<ManifestImpl &>(*this).encodeImpl(); }
+
+  Manifest &decode() {
+    Manifest::decoder_.decode();
+
+    manifest_type_ = decoder_.getManifestType();
+    hash_algorithm_ = decoder_.getHashAlgorithm();
+    is_last_ = decoder_.getIsFinalManifest();
+
+    return static_cast<ManifestImpl &>(*this).decodeImpl();
+  }
+
+  static std::size_t getManifestHeaderSize() {
+    return Encoder::getManifestHeaderSize();
+  }
+
+  static std::size_t getManifestEntrySize() {
+    return Encoder::getManifestEntrySize();
+  }
+
+  Manifest &setManifestType(ManifestType type) {
+    manifest_type_ = type;
+    encoder_.setManifestType(manifest_type_);
+    return *this;
+  }
+
+  Manifest &setHashAlgorithm(HashAlgorithm hash_algorithm) {
+    hash_algorithm_ = hash_algorithm;
+    encoder_.setHashAlgorithm(hash_algorithm_);
+    return *this;
+  }
+
+  HashAlgorithm getHashAlgorithm() { return hash_algorithm_; }
+
+  ManifestType getManifestType() const { return manifest_type_; }
+
+  bool isFinalManifest() const { return is_last_; }
+
+  Manifest &setVersion(ManifestVersion version) {
+    encoder_.setVersion(version);
+    return *this;
+  }
+
+  Manifest &setFinalBlockNumber(std::uint32_t final_block_number) {
+    encoder_.setFinalBlockNumber(final_block_number);
+    return *this;
+  }
+
+  uint32_t getFinalBlockNumber() const {
+    return decoder_.getFinalBlockNumber();
+  }
+
+  ManifestVersion getVersion() const { return decoder_.getVersion(); }
+
+  Manifest &setFinalManifest(bool is_final_manifest) {
+    encoder_.setIsFinalManifest(is_final_manifest);
+    is_last_ = is_final_manifest;
+    return *this;
+  }
+
+  Manifest &clear() {
+    encoder_.clear();
+    decoder_.clear();
+    return *this;
+  }
+
+ protected:
+  ManifestType manifest_type_;
+  HashAlgorithm hash_algorithm_;
+  bool is_last_;
+
+  Encoder encoder_;
+  Decoder decoder_;
+};
+
+}  // end namespace core
+
+}  // end namespace transport
-- 
cgit 1.2.3-korg