util: NetworkMonitor: fine-grained signals on interface/address changes
Change-Id: I60d4cc6d673b920ba81d57502977f0340be0da48
Refs: #3353
diff --git a/src/util/network-address.hpp b/src/util/network-address.hpp
new file mode 100644
index 0000000..fd39782
--- /dev/null
+++ b/src/util/network-address.hpp
@@ -0,0 +1,130 @@
+/* -*- 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>
+ */
+
+#ifndef NDN_UTIL_NETWORK_ADDRESS_HPP
+#define NDN_UTIL_NETWORK_ADDRESS_HPP
+
+#include "network-monitor.hpp"
+
+#include <boost/asio/ip/address.hpp>
+
+namespace ndn {
+namespace util {
+
+enum class AddressFamily {
+ UNSPECIFIED,
+ V4,
+ V6,
+};
+
+enum class AddressScope {
+ NOWHERE,
+ HOST,
+ LINK,
+ GLOBAL,
+};
+
+std::ostream&
+operator<<(std::ostream& os, AddressScope scope);
+
+/**
+ * @brief Stores one IP address supported by a network interface.
+ */
+class NetworkAddress
+{
+public: // getters
+ /** @brief Returns the address family
+ */
+ AddressFamily
+ getFamily() const
+ {
+ return m_family;
+ }
+
+ /** @brief Returns the IP address (v4 or v6)
+ */
+ boost::asio::ip::address
+ getIp() const
+ {
+ return m_ip;
+ }
+
+ /** @brief Returns the IP broadcast address
+ */
+ boost::asio::ip::address
+ getBroadcast() const
+ {
+ return m_broadcast;
+ }
+
+ /** @brief Returns a bitset of platform-specific flags enabled on the address
+ */
+ uint32_t
+ getFlags() const
+ {
+ return m_flags;
+ }
+
+ /** @brief Returns the address scope
+ */
+ AddressScope
+ getScope() const
+ {
+ return m_scope;
+ }
+
+ /** @brief Returns the prefix length
+ */
+ uint8_t
+ getPrefixLength() const
+ {
+ return m_prefixLength;
+ }
+
+ friend bool
+ operator<(const NetworkAddress& a, const NetworkAddress& b)
+ {
+ return a.m_ip < b.m_ip;
+ }
+
+private: // constructor
+ NetworkAddress();
+
+private:
+ friend class NetworkMonitor::Impl;
+
+ AddressFamily m_family;
+ boost::asio::ip::address m_ip;
+ boost::asio::ip::address m_broadcast;
+ uint32_t m_flags; // IFA_F_* in if_addr.h
+ AddressScope m_scope;
+ uint8_t m_prefixLength;
+};
+
+std::ostream&
+operator<<(std::ostream& os, const NetworkAddress& address);
+
+} // namespace util
+} // namespace ndn
+
+#endif // NDN_UTIL_NETWORK_ADDRESS_HPP