face: parse face_system.netdev_bound config section

refs #3521

Change-Id: I803a1651d5b44e021ec7bedb8001e216c849b9ab
diff --git a/daemon/face/netdev-bound.hpp b/daemon/face/netdev-bound.hpp
new file mode 100644
index 0000000..17a6ce8
--- /dev/null
+++ b/daemon/face/netdev-bound.hpp
@@ -0,0 +1,93 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2018,  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_DAEMON_FACE_NETDEV_BOUND_HPP
+#define NFD_DAEMON_FACE_NETDEV_BOUND_HPP
+
+#include "protocol-factory.hpp"
+
+namespace nfd {
+namespace face {
+
+class FaceSystem;
+
+/** \brief manages netdev-bound faces
+ */
+class NetdevBound : noncopyable
+{
+public:
+  class RuleParseError : public ConfigFile::Error
+  {
+  public:
+    RuleParseError(int index, std::string msg)
+      : Error("Error parsing face_system.netdev_bound.rule[" + to_string(index) + "]: " + msg)
+      , index(index)
+      , msg(std::move(msg))
+    {
+    }
+
+    RuleParseError(int index, std::string msg, const char* innerMsg)
+      : RuleParseError(index, msg + " - " + innerMsg)
+    {
+    }
+
+  public:
+    int index;
+    std::string msg;
+  };
+
+  NetdevBound(const ProtocolFactoryCtorParams& params, const FaceSystem& faceSystem);
+
+  /** \brief process face_system.netdev_bound config section
+   */
+  void
+  processConfig(OptionalConfigSection configSection,
+                FaceSystem::ConfigContext& context);
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+  struct Rule
+  {
+    std::vector<FaceUri> remotes;
+    NetworkInterfacePredicate netifPredicate;
+  };
+
+  Rule
+  parseRule(int index, const ConfigSection& confRule) const;
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+  const FaceSystem& m_faceSystem;
+  FaceCreatedCallback m_addFace;
+  shared_ptr<ndn::net::NetworkMonitor> m_netmon;
+
+  std::vector<Rule> m_rules;
+
+  using Key = std::pair<FaceUri, std::string>;
+  std::map<Key, shared_ptr<Face>> m_faces;
+};
+
+} // namespace face
+} // namespace nfd
+
+#endif // NFD_DAEMON_FACE_NETDEV_BOUND_HPP