management: Implementing ChannelStatus and StrategyChoice dataset abstractions
Change-Id: I5122239dbc8b9316d6753ab22f0a303f54005476
Refs: #1625
diff --git a/src/management/nfd-channel-status.hpp b/src/management/nfd-channel-status.hpp
new file mode 100644
index 0000000..6ac5aae
--- /dev/null
+++ b/src/management/nfd-channel-status.hpp
@@ -0,0 +1,137 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (c) 2013-2014, Regents of the University of California.
+ * All rights reserved.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * This file licensed under New BSD License. See COPYING for detailed information about
+ * ndn-cxx library copyright, permissions, and redistribution restrictions.
+ */
+
+#ifndef NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP
+#define NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP
+
+#include "../encoding/tlv-nfd.hpp"
+#include "../encoding/encoding-buffer.hpp"
+#include "../encoding/block-helpers.hpp"
+
+#include "../util/time.hpp"
+
+namespace ndn {
+namespace nfd {
+
+/**
+ * @ingroup management
+ * @brief represents NFD Channel Status dataset
+ * @sa http://redmine.named-data.net/projects/nfd/wiki/FaceMgmt#Channel-Dataset
+ */
+class ChannelStatus
+{
+public:
+ class Error : public Tlv::Error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : Tlv::Error(what)
+ {
+ }
+ };
+
+ ChannelStatus()
+ {
+ }
+
+ explicit
+ ChannelStatus(const Block& payload)
+ {
+ this->wireDecode(payload);
+ }
+
+ template<bool T>
+ size_t
+ wireEncode(EncodingImpl<T>& encoder) const;
+
+ const Block&
+ wireEncode() const;
+
+ void
+ wireDecode(const Block& wire);
+
+public: // getters & setters
+ const std::string&
+ getLocalUri() const
+ {
+ return m_localUri;
+ }
+
+ ChannelStatus&
+ setLocalUri(const std::string localUri)
+ {
+ m_wire.reset();
+ m_localUri = localUri;
+ return *this;
+ }
+
+private:
+ std::string m_localUri;
+
+ mutable Block m_wire;
+};
+
+
+template<bool T>
+inline size_t
+ChannelStatus::wireEncode(EncodingImpl<T>& encoder) const
+{
+ size_t totalLength = 0;
+
+ totalLength += prependByteArrayBlock(encoder, tlv::nfd::LocalUri,
+ reinterpret_cast<const uint8_t*>(m_localUri.c_str()), m_localUri.size());
+
+ totalLength += encoder.prependVarNumber(totalLength);
+ totalLength += encoder.prependVarNumber(tlv::nfd::ChannelStatus);
+ return totalLength;
+}
+
+inline const Block&
+ChannelStatus::wireEncode() const
+{
+ if (m_wire.hasWire())
+ return m_wire;
+
+ EncodingEstimator estimator;
+ size_t estimatedSize = wireEncode(estimator);
+
+ EncodingBuffer buffer(estimatedSize, 0);
+ wireEncode(buffer);
+
+ m_wire = buffer.block();
+ return m_wire;
+}
+
+inline void
+ChannelStatus::wireDecode(const Block& block)
+{
+ if (block.type() != tlv::nfd::ChannelStatus) {
+ throw Error("expecting ChannelStatus block");
+ }
+ m_wire = block;
+ m_wire.parse();
+ Block::element_const_iterator val = m_wire.elements_begin();
+
+ if (val != m_wire.elements_end() && val->type() == tlv::nfd::LocalUri) {
+ m_localUri.assign(reinterpret_cast<const char*>(val->value()), val->value_size());
+ ++val;
+ }
+ else {
+ throw Error("missing required LocalUri field");
+ }
+}
+
+} // namespace nfd
+} // namespace ndn
+
+#endif // NDN_MANAGEMENT_NFD_CHANNEL_STATUS_HPP