tools+core: Moving Network class implementation to core
Change-Id: I312b827215c8ec3d13aff61584f162125fc48d2a
Refs: #2153
diff --git a/core/network.cpp b/core/network.cpp
new file mode 100644
index 0000000..b9a6c36
--- /dev/null
+++ b/core/network.cpp
@@ -0,0 +1,133 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, 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/>.
+ **/
+
+#include "network.hpp"
+
+namespace nfd {
+
+void
+Network::print(std::ostream& os) const
+{
+ os << m_minAddress << " <-> " << m_maxAddress;
+}
+
+const Network&
+Network::getMaxRangeV4()
+{
+ using boost::asio::ip::address_v4;
+ static Network range = Network(address_v4(0), address_v4(0xFFFFFFFF));
+ return range;
+}
+
+const Network&
+Network::getMaxRangeV6()
+{
+ using boost::asio::ip::address_v6;
+ static address_v6::bytes_type maxV6 = {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}};
+ static Network range = Network(address_v6(), address_v6(maxV6));
+ return range;
+}
+
+//////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////
+
+std::ostream&
+operator<<(std::ostream& os, const Network& network)
+{
+ network.print(os);
+ return os;
+}
+
+std::istream&
+operator>>(std::istream& is, Network& network)
+{
+ using namespace boost::asio;
+
+ std::string networkStr;
+ is >> networkStr;
+
+ size_t position = networkStr.find('/');
+ if (position == std::string::npos)
+ {
+ network.m_minAddress = ip::address::from_string(networkStr);
+ network.m_maxAddress = ip::address::from_string(networkStr);
+ }
+ else
+ {
+ ip::address address = ip::address::from_string(networkStr.substr(0, position));
+ size_t mask = boost::lexical_cast<size_t>(networkStr.substr(position+1));
+
+ if (address.is_v4())
+ {
+ ip::address_v4::bytes_type maskBytes = boost::initialized_value;
+ for (size_t i = 0; i < mask; i++)
+ {
+ size_t byteId = i / 8;
+ size_t bitIndex = 7 - i % 8;
+ maskBytes[byteId] |= (1 << bitIndex);
+ }
+
+ ip::address_v4::bytes_type addressBytes = address.to_v4().to_bytes();
+ ip::address_v4::bytes_type min;
+ ip::address_v4::bytes_type max;
+
+ for (size_t i = 0; i < addressBytes.size(); i++)
+ {
+ min[i] = addressBytes[i] & maskBytes[i];
+ max[i] = addressBytes[i] | ~(maskBytes[i]);
+ }
+
+ network.m_minAddress = ip::address_v4(min);
+ network.m_maxAddress = ip::address_v4(max);
+ }
+ else
+ {
+ ip::address_v6::bytes_type maskBytes = boost::initialized_value;
+ for (size_t i = 0; i < mask; i++)
+ {
+ size_t byteId = i / 8;
+ size_t bitIndex = 7 - i % 8;
+ maskBytes[byteId] |= (1 << bitIndex);
+ }
+
+ ip::address_v6::bytes_type addressBytes = address.to_v6().to_bytes();
+ ip::address_v6::bytes_type min;
+ ip::address_v6::bytes_type max;
+
+ for (size_t i = 0; i < addressBytes.size(); i++)
+ {
+ min[i] = addressBytes[i] & maskBytes[i];
+ max[i] = addressBytes[i] | ~(maskBytes[i]);
+ }
+
+ network.m_minAddress = ip::address_v6(min);
+ network.m_maxAddress = ip::address_v6(max);
+ }
+ }
+ return is;
+}
+
+} // namespace nfd