Rename ndnputchunks to ndnserve
Change-Id: Id1cc90c91ec0778ec07495b364546b05464410c8
diff --git a/tools/serve/producer.cpp b/tools/serve/producer.cpp
new file mode 100644
index 0000000..2c3ce8a
--- /dev/null
+++ b/tools/serve/producer.cpp
@@ -0,0 +1,161 @@
+/* -*- 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 Klaus Schneider
+ * @author Chavoosh Ghasemi
+ */
+
+#include "producer.hpp"
+
+#include <ndn-cxx/metadata-object.hpp>
+#include <ndn-cxx/util/segmenter.hpp>
+
+#include <iostream>
+
+namespace ndn::serve {
+
+Producer::Producer(const Name& prefix, Face& face, KeyChain& keyChain, std::istream& is,
+ const Options& opts)
+ : m_face(face)
+ , m_keyChain(keyChain)
+ , m_options(opts)
+{
+ if (!prefix.empty() && prefix[-1].isVersion()) {
+ m_prefix = prefix.getPrefix(-1);
+ m_versionedPrefix = prefix;
+ }
+ else {
+ m_prefix = prefix;
+ m_versionedPrefix = Name(m_prefix).appendVersion();
+ }
+
+ if (!m_options.isQuiet) {
+ std::cerr << "Loading input ...\n";
+ }
+ Segmenter segmenter(m_keyChain, m_options.signingInfo);
+ m_store = segmenter.segment(is, m_versionedPrefix, m_options.maxSegmentSize, m_options.freshnessPeriod);
+
+ // register m_prefix without Interest handler
+ m_face.registerPrefix(m_prefix, nullptr, [this] (const Name& prefix, const auto& reason) {
+ std::cerr << "ERROR: Failed to register prefix '" << prefix << "' (" << reason << ")\n";
+ m_face.shutdown();
+ });
+
+ // match Interests whose name starts with m_versionedPrefix
+ face.setInterestFilter(m_versionedPrefix, [this] (const auto&, const auto& interest) {
+ processSegmentInterest(interest);
+ });
+
+ // match Interests whose name is exactly m_prefix
+ face.setInterestFilter(InterestFilter(m_prefix, ""), [this] (const auto&, const auto& interest) {
+ processSegmentInterest(interest);
+ });
+
+ // match discovery Interests
+ auto discoveryName = MetadataObject::makeDiscoveryInterest(m_prefix).getName();
+ face.setInterestFilter(discoveryName, [this] (const auto&, const auto& interest) {
+ processDiscoveryInterest(interest);
+ });
+
+ if (m_options.wantShowVersion) {
+ std::cout << m_versionedPrefix[-1] << "\n";
+ }
+ if (!m_options.isQuiet) {
+ std::cerr << "Published " << m_store.size() << " Data packet" << (m_store.size() > 1 ? "s" : "")
+ << " with prefix " << m_versionedPrefix << "\n";
+ }
+}
+
+void
+Producer::run()
+{
+ m_face.processEvents();
+}
+
+void
+Producer::processDiscoveryInterest(const Interest& interest)
+{
+ if (m_options.isVerbose)
+ std::cerr << "Discovery Interest: " << interest << "\n";
+
+ if (!interest.getCanBePrefix()) {
+ if (m_options.isVerbose) {
+ std::cerr << "Discovery Interest lacks CanBePrefix, sending Nack\n";
+ }
+ m_face.put(lp::Nack(interest));
+ return;
+ }
+
+ MetadataObject mobject;
+ mobject.setVersionedName(m_versionedPrefix);
+
+ // make a metadata packet based on the received discovery Interest name
+ auto mdata = mobject.makeData(interest.getName(), m_keyChain, m_options.signingInfo);
+
+ if (m_options.isVerbose)
+ std::cerr << "Sending metadata: " << mdata << "\n";
+
+ m_face.put(mdata);
+}
+
+void
+Producer::processSegmentInterest(const Interest& interest)
+{
+ BOOST_ASSERT(!m_store.empty());
+
+ if (m_options.isVerbose)
+ std::cerr << "Interest: " << interest << "\n";
+
+ const Name& name = interest.getName();
+ std::shared_ptr<Data> data;
+
+ if (name.size() == m_versionedPrefix.size() + 1 && name[-1].isSegment()) {
+ const auto segmentNo = static_cast<size_t>(interest.getName()[-1].toSegment());
+ // specific segment retrieval
+ if (segmentNo < m_store.size()) {
+ data = m_store[segmentNo];
+ }
+ }
+ else if (interest.matchesData(*m_store[0])) {
+ // unspecified version or segment number, return first segment
+ data = m_store[0];
+ }
+
+ if (data != nullptr) {
+ if (m_options.isVerbose) {
+ std::cerr << "Data: " << *data << "\n";
+ }
+ m_face.put(*data);
+ }
+ else {
+ if (m_options.isVerbose) {
+ std::cerr << "Interest cannot be satisfied, sending Nack\n";
+ }
+ m_face.put(lp::Nack(interest));
+ }
+}
+
+} // namespace ndn::serve