Move pib service from ndn-cxx to ndn-tools
Code is copied from ndn-cxx:commit:e1c8c4cfffb33dca13c8ca7d7ef04c7401a7cbef,
(gerrit change-id Ieea485c0ebdce9fb9c876cad005cb95fd8e0c899)
with minor changes for changing include paths and building script.
Change-Id: I77b94fe69b20f04c338e7be7387125f709fa9e1a
Refs: #3018
diff --git a/tools/pib/cert-publisher.cpp b/tools/pib/cert-publisher.cpp
new file mode 100644
index 0000000..abcd5a2
--- /dev/null
+++ b/tools/pib/cert-publisher.cpp
@@ -0,0 +1,128 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, 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.
+ */
+
+#include "cert-publisher.hpp"
+
+namespace ndn {
+namespace pib {
+
+CertPublisher::CertPublisher(Face& face, PibDb& db)
+ : m_face(face)
+ , m_db(db)
+{
+ startPublishAll();
+
+ m_certDeletedConnection =
+ m_db.certificateDeleted.connect(bind(&CertPublisher::stopPublish, this, _1));
+ m_certInsertedConnection =
+ m_db.certificateInserted.connect(bind(&CertPublisher::startPublish, this, _1));
+}
+
+CertPublisher::~CertPublisher()
+{
+ for (const auto& it : m_registeredPrefixes)
+ m_face.unsetInterestFilter(it.second);
+}
+
+void
+CertPublisher::startPublishAll()
+{
+ // For now we have to register the prefix of certificates separately.
+ // The reason is that certificates do not share the same prefix that
+ // can aggregate the certificates publishing without attracting interests
+ // for non-PIB data.
+
+ std::vector<Name> identities = m_db.listIdentities();
+
+ for (const auto& identity : identities) {
+ std::vector<Name> keyNames = m_db.listKeyNamesOfIdentity(identity);
+
+ for (const auto& key : keyNames) {
+ std::vector<Name> certNames = m_db.listCertNamesOfKey(key);
+
+ for (const auto& certName : certNames)
+ startPublish(certName);
+ }
+ }
+}
+
+void
+CertPublisher::registerCertPrefix(const Name& certName)
+{
+ BOOST_ASSERT(!certName.empty());
+
+ const Name& prefix = certName.getPrefix(-1);
+
+ if (m_registeredPrefixes.find(prefix) == m_registeredPrefixes.end()) {
+ m_registeredPrefixes[prefix] =
+ m_face.setInterestFilter(certName.getPrefix(-1),
+ bind(&CertPublisher::processInterest, this, _1, _2),
+ [] (const Name& name) {},
+ [=] (const Name& name, const std::string& msg) {
+ if (m_registeredPrefixes.erase(prefix) == 0) {
+ // registration no longer needed - certificates deleted
+ return;
+ }
+ // retry
+ registerCertPrefix(certName);
+ });
+
+ }
+}
+
+void
+CertPublisher::processInterest(const InterestFilter& interestFilter,
+ const Interest& interest)
+{
+ shared_ptr<const Data> certificate = m_responseCache.find(interest);
+ if (certificate != nullptr) {
+ m_face.put(*certificate);
+ }
+}
+
+void
+CertPublisher::startPublish(const Name& certName)
+{
+ m_responseCache.insert(*m_db.getCertificate(certName));
+ registerCertPrefix(certName);
+}
+
+void
+CertPublisher::stopPublish(const Name& certName)
+{
+ BOOST_ASSERT(!certName.empty());
+
+ m_responseCache.erase(certName);
+
+ // clear the listener if this is the only cert using the prefix
+ const Name& prefix = certName.getPrefix(-1); // strip version component
+
+ if (m_responseCache.find(prefix) != nullptr)
+ return;
+
+ auto it = m_registeredPrefixes.find(prefix);
+ BOOST_ASSERT(it != m_registeredPrefixes.end());
+ m_face.unsetInterestFilter(it->second);
+ m_registeredPrefixes.erase(it);
+}
+
+} // namespace pib
+} // namespace ndn