net: move network-related files to src/net
Some namespaces are changed:
* ndn::util::FaceUri is now ndn::FaceUri
* ndn::util::ethernet is now ndn::ethernet
* ndn::util::NetworkMonitor and related classes are now in ndn::net
refs #3940
Change-Id: Ia4754caef9726efc73f5a303cec46fc95c744d70
diff --git a/src/net/detail/linux-if-constants.cpp b/src/net/detail/linux-if-constants.cpp
new file mode 100644
index 0000000..dbcf54b
--- /dev/null
+++ b/src/net/detail/linux-if-constants.cpp
@@ -0,0 +1,51 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2017 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Davide Pesavento <davide.pesavento@lip6.fr>
+ */
+
+#ifdef __linux__
+
+#include "linux-if-constants.hpp"
+
+#include <sys/socket.h>
+#include <linux/if.h>
+
+namespace ndn {
+namespace net {
+namespace linux_if {
+
+const uint32_t FLAG_LOWER_UP = IFF_LOWER_UP;
+const uint32_t FLAG_DORMANT = IFF_DORMANT;
+const uint32_t FLAG_ECHO = IFF_ECHO;
+
+const uint8_t OPER_STATE_UNKNOWN = IF_OPER_UNKNOWN;
+const uint8_t OPER_STATE_NOTPRESENT = IF_OPER_NOTPRESENT;
+const uint8_t OPER_STATE_DOWN = IF_OPER_DOWN;
+const uint8_t OPER_STATE_LOWERLAYERDOWN = IF_OPER_LOWERLAYERDOWN;
+const uint8_t OPER_STATE_TESTING = IF_OPER_TESTING;
+const uint8_t OPER_STATE_DORMANT = IF_OPER_DORMANT;
+const uint8_t OPER_STATE_UP = IF_OPER_UP;
+
+} // namespace linux_if
+} // namespace net
+} // namespace ndn
+
+#endif // __linux__