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-rw-r--r--libtransport/src/protocols/indexer.cc79
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diff --git a/libtransport/src/protocols/indexer.cc b/libtransport/src/protocols/indexer.cc
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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.
+ */
+
+#include <hicn/transport/utils/branch_prediction.h>
+
+#include <protocols/incremental_indexer.h>
+#include <protocols/indexer.h>
+#include <protocols/manifest_incremental_indexer.h>
+#include <protocols/protocol.h>
+
+namespace transport {
+namespace protocol {
+
+IndexManager::IndexManager(implementation::ConsumerSocket *icn_socket,
+ TransportProtocol *transport, Reassembly *reassembly)
+ : indexer_(std::make_unique<IncrementalIndexer>(icn_socket, transport,
+ reassembly)),
+ first_segment_received_(false),
+ icn_socket_(icn_socket),
+ transport_(transport),
+ reassembly_(reassembly) {}
+
+void IndexManager::onContentObject(core::Interest::Ptr &&interest,
+ core::ContentObject::Ptr &&content_object) {
+ if (first_segment_received_) {
+ indexer_->onContentObject(std::move(interest), std::move(content_object));
+ } else {
+ std::uint32_t segment_number = interest->getName().getSuffix();
+
+ if (segment_number == 0) {
+ // Check if manifest
+ if (content_object->getPayloadType() == PayloadType::MANIFEST) {
+ IncrementalIndexer *indexer =
+ static_cast<IncrementalIndexer *>(indexer_.release());
+ indexer_ =
+ std::make_unique<ManifestIncrementalIndexer>(std::move(*indexer));
+ delete indexer;
+ }
+
+ indexer_->onContentObject(std::move(interest), std::move(content_object));
+ auto it = interest_data_set_.begin();
+ while (it != interest_data_set_.end()) {
+ indexer_->onContentObject(
+ std::move(const_cast<core::Interest::Ptr &&>(it->first)),
+ std::move(const_cast<core::ContentObject::Ptr &&>(it->second)));
+ it = interest_data_set_.erase(it);
+ }
+
+ first_segment_received_ = true;
+ } else {
+ interest_data_set_.emplace(std::move(interest),
+ std::move(content_object));
+ }
+ }
+}
+
+bool IndexManager::onKeyToVerify() { return indexer_->onKeyToVerify(); }
+
+void IndexManager::reset(std::uint32_t offset) {
+ indexer_ = std::make_unique<IncrementalIndexer>(icn_socket_, transport_,
+ reassembly_);
+ first_segment_received_ = false;
+ interest_data_set_.clear();
+}
+
+} // namespace protocol
+} // namespace transport