face, mgmt: add channel status dataset publisher
Expose channel maps in protocol factories
Change-Id: I057b1bba638bfc9372867318653d71ba7d0e9888
Refs: #1631, #1653
diff --git a/daemon/mgmt/channel-status-publisher.cpp b/daemon/mgmt/channel-status-publisher.cpp
new file mode 100644
index 0000000..42e4f3a
--- /dev/null
+++ b/daemon/mgmt/channel-status-publisher.cpp
@@ -0,0 +1,87 @@
+/* -*- 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/>.
+ */
+
+#include "channel-status-publisher.hpp"
+
+#include "face-flags.hpp"
+#include "core/logger.hpp"
+#include "face/protocol-factory.hpp"
+#include "face/channel.hpp"
+
+#include <ndn-cxx/management/nfd-channel-status.hpp>
+
+namespace nfd {
+
+NFD_LOG_INIT("ChannelStatusPublisher");
+
+
+ChannelStatusPublisher::ChannelStatusPublisher(const FactoryMap& factories,
+ shared_ptr<AppFace> face,
+ const Name& prefix)
+ : SegmentPublisher(face, prefix)
+ , m_factories(factories)
+{
+
+}
+
+
+ChannelStatusPublisher::~ChannelStatusPublisher()
+{
+
+}
+
+size_t
+ChannelStatusPublisher::generate(ndn::EncodingBuffer& outBuffer)
+{
+ size_t totalLength = 0;
+ std::set<shared_ptr<ProtocolFactory> > seenFactories;
+
+ for (FactoryMap::const_iterator i = m_factories.begin();
+ i != m_factories.end(); ++i)
+ {
+ const shared_ptr<ProtocolFactory>& factory = i->second;
+
+ if (seenFactories.find(factory) != seenFactories.end())
+ {
+ continue;
+ }
+ seenFactories.insert(factory);
+
+ std::list<shared_ptr<const Channel> > channels = factory->getChannels();
+
+ for (std::list<shared_ptr<const Channel> >::const_iterator j = channels.begin();
+ j != channels.end(); ++j)
+ {
+ ndn::nfd::ChannelStatus entry;
+ entry.setLocalUri((*j)->getUri().toString());
+
+ totalLength += entry.wireEncode(outBuffer);
+ }
+ }
+
+ return totalLength;
+}
+
+} // namespace nfd