face: Implementing nfd::Controller
This commit also adds an option for Node constructor to use
nfd::Controller instead of default ndnd::Controller to set interest
filter (register prefix).
Change-Id: If395756c1b98abe909cec0967c07d347affe5928
diff --git a/src/management/nfd-fib-management-options.hpp b/src/management/nfd-fib-management-options.hpp
new file mode 100644
index 0000000..67e344c
--- /dev/null
+++ b/src/management/nfd-fib-management-options.hpp
@@ -0,0 +1,209 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ *
+ * @author: Wentao Shang <wentao@cs.ucla.edu>
+ *
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_MANAGEMENT_NFD_FIB_MANAGEMENT_OPTIONS_HPP
+#define NDN_MANAGEMENT_NFD_FIB_MANAGEMENT_OPTIONS_HPP
+
+#include "../encoding/block.hpp"
+#include "../encoding/encoding-buffer.hpp"
+#include "../encoding/tlv-nfd-control.hpp"
+#include "../name.hpp"
+
+namespace ndn {
+namespace nfd {
+
+class FibManagementOptions {
+public:
+ struct Error : public Tlv::Error { Error(const std::string &what) : Tlv::Error(what) {} };
+
+ FibManagementOptions ()
+ : faceId_ (-1)
+ , cost_ (-1)
+ {
+ }
+
+ FibManagementOptions(const Block& block)
+ {
+ wireDecode(block);
+ }
+
+ const Name&
+ getName () const
+ {
+ return name_;
+ }
+
+ FibManagementOptions&
+ setName (const Name &name)
+ {
+ name_ = name;
+ wire_.reset ();
+ return *this;
+ }
+
+ int
+ getFaceId () const
+ {
+ return faceId_;
+ }
+
+ FibManagementOptions&
+ setFaceId (int faceId)
+ {
+ faceId_ = faceId;
+ wire_.reset ();
+ return *this;
+ }
+
+ int
+ getCost () const
+ {
+ return cost_;
+ }
+
+ FibManagementOptions&
+ setCost (int cost)
+ {
+ cost_ = cost;
+ wire_.reset ();
+ return *this;
+ }
+
+ template<bool T>
+ size_t
+ wireEncode(EncodingImpl<T> &block) const;
+
+ const Block&
+ wireEncode () const;
+
+ void
+ wireDecode (const Block &wire);
+
+private:
+ Name name_;
+ int faceId_;
+ int cost_;
+ //Name strategy_;
+ //TODO: implement strategy after its use is properly defined
+
+ mutable Block wire_;
+};
+
+template<bool T>
+inline size_t
+FibManagementOptions::wireEncode(EncodingImpl<T>& blk) const
+{
+ size_t total_len = 0;
+ if (cost_ != -1)
+ {
+ size_t var_len = blk.prependNonNegativeInteger (cost_);
+ total_len += var_len;
+ total_len += blk.prependVarNumber (var_len);
+ total_len += blk.prependVarNumber (tlv::nfd_control::Cost);
+ }
+
+ if (faceId_ != -1)
+ {
+ size_t var_len = blk.prependNonNegativeInteger (faceId_);
+ total_len += var_len;
+ total_len += blk.prependVarNumber (var_len);
+ total_len += blk.prependVarNumber (tlv::nfd_control::FaceId);
+ }
+
+ total_len += name_.wireEncode (blk);
+
+ total_len += blk.prependVarNumber (total_len);
+ total_len += blk.prependVarNumber (tlv::nfd_control::FibManagementOptions);
+ return total_len;
+}
+
+template
+size_t
+FibManagementOptions::wireEncode<true>(EncodingBuffer& block) const;
+
+template
+size_t
+FibManagementOptions::wireEncode<false>(EncodingEstimator& block) const;
+
+inline const Block&
+FibManagementOptions::wireEncode () const
+{
+ if (wire_.hasWire ())
+ return wire_;
+
+ EncodingEstimator estimator;
+ size_t estimatedSize = wireEncode(estimator);
+
+ EncodingBuffer buffer(estimatedSize, 0);
+ wireEncode(buffer);
+
+ wire_ = buffer.block();
+ return wire_;
+}
+
+inline void
+FibManagementOptions::wireDecode (const Block &wire)
+{
+ name_.clear ();
+ faceId_ = -1;
+ cost_ = -1;
+
+ wire_ = wire;
+
+ if (wire_.type() != tlv::nfd_control::FibManagementOptions)
+ throw Error("Requested decoding of FibManagementOptions, but Block is of different type");
+
+ wire_.parse ();
+
+ // Name
+ Block::element_iterator val = wire_.find(Tlv::Name);
+ if (val != wire_.getAll().end())
+ {
+ name_.wireDecode(*val);
+ }
+
+ // FaceID
+ val = wire_.find(tlv::nfd_control::FaceId);
+ if (val != wire_.getAll().end())
+ {
+ faceId_ = readNonNegativeInteger(*val);
+ }
+
+ // Cost
+ val = wire_.find(tlv::nfd_control::Cost);
+ if (val != wire_.getAll().end())
+ {
+ cost_ = readNonNegativeInteger(*val);
+ }
+
+ //TODO: Strategy
+}
+
+inline std::ostream&
+operator << (std::ostream &os, const FibManagementOptions &option)
+{
+ os << "ForwardingEntry(";
+
+ // Name
+ os << "Prefix: " << option.getName () << ", ";
+
+ // FaceID
+ os << "FaceID: " << option.getFaceId () << ", ";
+
+ // Cost
+ os << "Cost: " << option.getCost ();
+
+ os << ")";
+ return os;
+}
+
+} // namespace nfd
+} // namespace ndn
+
+#endif // NDN_MANAGEMENT_NFD_FIB_MANAGEMENT_OPTIONS_HPP