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/network-monitor.hpp b/src/net/network-monitor.hpp
new file mode 100644
index 0000000..f3326b7
--- /dev/null
+++ b/src/net/network-monitor.hpp
@@ -0,0 +1,135 @@
+/* -*- 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 Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ * @author Davide Pesavento <davide.pesavento@lip6.fr>
+ */
+
+#ifndef NDN_NET_NETWORK_MONITOR_HPP
+#define NDN_NET_NETWORK_MONITOR_HPP
+
+#include "../util/signal.hpp"
+
+#include <vector>
+
+// forward declaration
+namespace boost {
+namespace asio {
+class io_service;
+} // namespace asio
+} // namespace boost
+
+namespace ndn {
+namespace net {
+
+class NetworkInterface;
+
+/**
+ * @brief Network interfaces monitor
+ *
+ * Maintains an up-to-date view of every system network interface and notifies when an interface
+ * is added or removed.
+ *
+ * @note Implementation of this class is platform dependent and not all supported platforms
+ * are supported:
+ * - OS X: SystemConfiguration and CFNotificationCenterAddObserver notifications (no
+ * notification on MTU change)
+ * - Linux: rtnetlink notifications
+ */
+class NetworkMonitor : noncopyable
+{
+public:
+ class Error : public std::runtime_error
+ {
+ public:
+ explicit
+ Error(const std::string& what)
+ : std::runtime_error(what)
+ {
+ }
+ };
+
+ class Impl;
+
+ /**
+ * @brief Construct instance, request enumeration of all network interfaces, and start
+ * monitoring for network state changes
+ *
+ * @param io io_service thread that will dispatch events
+ * @throw Error when network monitoring is not supported or there is an error starting monitoring
+ */
+ explicit
+ NetworkMonitor(boost::asio::io_service& io);
+
+ ~NetworkMonitor();
+
+ enum Capability : uint32_t {
+ /// NetworkMonitor is not supported and is a no-op
+ CAP_NONE = 0,
+ /// listNetworkInterfaces() and getNetworkInterface() are supported
+ CAP_ENUM = 1 << 0,
+ /// NetworkMonitor onInterfaceAdded and onInterfaceRemoved signals are supported
+ CAP_IF_ADD_REMOVE = 1 << 1,
+ /// NetworkInterface onStateChanged signal is supported
+ CAP_STATE_CHANGE = 1 << 2,
+ /// NetworkInterface onMtuChanged signal is supported
+ CAP_MTU_CHANGE = 1 << 3,
+ /// NetworkInterface onAddressAdded and onAddressRemoved signals are supported
+ CAP_ADDR_ADD_REMOVE = 1 << 4
+ };
+
+ /** \return bitwise OR'ed \p Capability supported on current platform
+ */
+ uint32_t
+ getCapabilities() const;
+
+ shared_ptr<NetworkInterface>
+ getNetworkInterface(const std::string& ifname) const;
+
+ std::vector<shared_ptr<NetworkInterface>>
+ listNetworkInterfaces() const;
+
+public: // signals
+ /** @brief Fires when network interfaces enumeration is complete
+ */
+ util::Signal<NetworkMonitor> onEnumerationCompleted;
+
+ /** @brief Fires when a new interface is added
+ */
+ util::Signal<NetworkMonitor, shared_ptr<NetworkInterface>> onInterfaceAdded;
+
+ /**
+ * @brief Fires when an interface is removed
+ * @note The NetworkInterface object is no longer present in the network
+ * interfaces map when the signal is emitted
+ */
+ util::Signal<NetworkMonitor, shared_ptr<NetworkInterface>> onInterfaceRemoved;
+
+ // only for backward compatibility
+ util::Signal<NetworkMonitor> onNetworkStateChanged;
+
+private:
+ const unique_ptr<Impl> m_impl;
+};
+
+} // namespace net
+} // namespace ndn
+
+#endif // NDN_NET_NETWORK_MONITOR_HPP