Rename ndncatchunks to ndnget
Change-Id: I260e552746e900a73c2ce773bd91d9b6fa384734
diff --git a/tools/get/pipeline-interests-fixed.hpp b/tools/get/pipeline-interests-fixed.hpp
new file mode 100644
index 0000000..6325123
--- /dev/null
+++ b/tools/get/pipeline-interests-fixed.hpp
@@ -0,0 +1,97 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2016-2025, Regents of the University of California,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University.
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-tools is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ndn-tools, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Wentao Shang
+ * @author Steve DiBenedetto
+ * @author Andrea Tosatto
+ * @author Davide Pesavento
+ * @author Chavoosh Ghasemi
+ */
+
+#ifndef NDN_TOOLS_GET_PIPELINE_INTERESTS_FIXED_HPP
+#define NDN_TOOLS_GET_PIPELINE_INTERESTS_FIXED_HPP
+
+#include "pipeline-interests.hpp"
+
+#include <vector>
+
+namespace ndn::get {
+
+class DataFetcher;
+
+/**
+ * @brief Service for retrieving Data via an Interest pipeline
+ *
+ * Retrieves all segments of Data under a given prefix by maintaining a fixed-size window of
+ * N Interests in flight. A user-specified callback function is used to notify the arrival of
+ * each segment of Data.
+ *
+ * No guarantees are made as to the order in which segments are fetched or callbacks are invoked,
+ * i.e. out-of-order delivery is possible.
+ */
+class PipelineInterestsFixed final : public PipelineInterests
+{
+public:
+ PipelineInterestsFixed(Face& face, const Options& opts);
+
+ ~PipelineInterestsFixed() final;
+
+private:
+ /**
+ * @brief fetch all the segments between 0 and m_lastSegmentNo
+ *
+ * Starts a fixed-window pipeline with size equal to m_options.maxPipelineSize. The pipeline
+ * will fetch every segment until the last segment is successfully received or an error occurs.
+ */
+ void
+ doRun() final;
+
+ void
+ doCancel() final;
+
+ /**
+ * @brief fetch the next segment that has not been requested yet
+ *
+ * @return false if there is an error or all the segments have been fetched, true otherwise
+ */
+ bool
+ fetchNextSegment(size_t pipeNo);
+
+ void
+ handleData(const Interest& interest, const Data& data, size_t pipeNo);
+
+ void
+ handleFail(const std::string& reason, size_t pipeNo);
+
+private:
+ std::vector<std::pair<std::shared_ptr<DataFetcher>, uint64_t>> m_segmentFetchers;
+
+ /**
+ * true if one or more segment fetchers encountered an error; if m_hasFinalBlockId
+ * is false, this is usually not a fatal error for the pipeline
+ */
+ bool m_hasFailure = false;
+};
+
+} // namespace ndn::get
+
+#endif // NDN_TOOLS_GET_PIPELINE_INTERESTS_FIXED_HPP