core: use markers in StatusDataset and NotificationStream
This commit also refactors FaceMonitor as generic NotificationSubscriber,
and refactors AutoregServer to use FaceMonitor.
refs #1837 #1838
Change-Id: I8b40dfae118853d1224c8290cf92e7cc0daa116f
diff --git a/core/notification-stream.hpp b/core/notification-stream.hpp
new file mode 100644
index 0000000..9a89b4c
--- /dev/null
+++ b/core/notification-stream.hpp
@@ -0,0 +1,81 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD 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.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_CORE_NOTIFICATION_STREAM_HPP
+#define NFD_CORE_NOTIFICATION_STREAM_HPP
+
+#include "common.hpp"
+
+#include <ndn-cxx/encoding/encoding-buffer.hpp>
+#include <ndn-cxx/security/key-chain.hpp>
+
+namespace nfd {
+
+/** \brief provides a publisher of Notification Stream
+ * \sa http://redmine.named-data.net/projects/nfd/wiki/Notification
+ */
+template <class FaceBase>
+class NotificationStream : noncopyable
+{
+public:
+ NotificationStream(FaceBase& face, const Name& prefix, ndn::KeyChain& keyChain)
+ : m_face(face)
+ , m_prefix(prefix)
+ , m_keyChain(keyChain)
+ , m_sequenceNo(0)
+ {
+ }
+
+ virtual
+ ~NotificationStream()
+ {
+ }
+
+ template<typename T> void
+ postNotification(const T& notification)
+ {
+ Name dataName = m_prefix;
+ dataName.appendSequenceNumber(m_sequenceNo);
+
+ shared_ptr<Data> data = make_shared<Data>(dataName);
+ data->setContent(notification.wireEncode());
+ data->setFreshnessPeriod(time::seconds(1));
+
+ m_keyChain.sign(*data);
+ m_face.put(*data);
+
+ ++m_sequenceNo;
+ }
+
+private:
+ FaceBase& m_face;
+ const Name m_prefix;
+ ndn::KeyChain& m_keyChain;
+ uint64_t m_sequenceNo;
+};
+
+} // namespace nfd
+
+#endif // NFD_CORE_NOTIFICATION_STREAM_HPP