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/ethernet.cpp b/src/net/ethernet.cpp
new file mode 100644
index 0000000..0efdd58
--- /dev/null
+++ b/src/net/ethernet.cpp
@@ -0,0 +1,147 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2017 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 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.
+ */
+
+#include "ethernet.hpp"
+
+#include <boost/functional/hash.hpp>
+
+#include <stdio.h>
+#include <ostream>
+
+namespace ndn {
+namespace ethernet {
+
+Address::Address()
+{
+ fill(0);
+}
+
+Address::Address(uint8_t a1, uint8_t a2, uint8_t a3, uint8_t a4, uint8_t a5, uint8_t a6)
+{
+ data()[0] = a1;
+ data()[1] = a2;
+ data()[2] = a3;
+ data()[3] = a4;
+ data()[4] = a5;
+ data()[5] = a6;
+}
+
+Address::Address(const uint8_t octets[ADDR_LEN])
+{
+ std::copy(octets, octets + size(), begin());
+}
+
+bool
+Address::isBroadcast() const
+{
+ return *this == getBroadcastAddress();
+}
+
+bool
+Address::isMulticast() const
+{
+ return (at(0) & 1) != 0;
+}
+
+bool
+Address::isNull() const
+{
+ return *this == Address();
+}
+
+std::string
+Address::toString(char sep) const
+{
+ char s[18]; // 12 digits + 5 separators + null terminator
+
+ // - apparently gcc-4.6 does not support the 'hh' type modifier
+ // - std::snprintf not found in some environments
+ // https://redmine.named-data.net/issues/2299 for more information
+ snprintf(s, sizeof(s), "%02x%c%02x%c%02x%c%02x%c%02x%c%02x",
+ at(0), sep, at(1), sep, at(2), sep, at(3), sep, at(4), sep, at(5));
+
+ return std::string(s);
+}
+
+Address
+Address::fromString(const std::string& str)
+{
+ Address a;
+ unsigned short temp[a.size()];
+ char sep[5][2]; // 5 * (1 separator char + 1 null terminator)
+ int n = 0; // num of chars read from the input string
+
+ // apparently gcc-4.6 does not support the 'hh' type modifier
+ int ret = std::sscanf(str.c_str(), "%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%n",
+ &temp[0], &sep[0][0], &temp[1], &sep[1][0], &temp[2], &sep[2][0],
+ &temp[3], &sep[3][0], &temp[4], &sep[4][0], &temp[5], &n);
+
+ if (ret < 11 || static_cast<size_t>(n) != str.length())
+ return Address();
+
+ for (size_t i = 0; i < a.size(); ++i)
+ {
+ // check that all separators are actually the same char (: or -)
+ if (i < 5 && sep[i][0] != sep[0][0])
+ return Address();
+
+ // check that each value fits into a uint8_t
+ if (temp[i] > 0xFF)
+ return Address();
+
+ a[i] = static_cast<uint8_t>(temp[i]);
+ }
+
+ return a;
+}
+
+Address
+getBroadcastAddress()
+{
+ return { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+}
+
+Address
+getDefaultMulticastAddress()
+{
+ return { 0x01, 0x00, 0x5E, 0x00, 0x17, 0xAA };
+}
+
+std::ostream&
+operator<<(std::ostream& o, const Address& a)
+{
+ return o << a.toString();
+}
+
+} // namespace ethernet
+} // namespace ndn
+
+std::size_t
+std::hash<ndn::ethernet::Address>::operator()(const ndn::ethernet::Address& a) const noexcept
+{
+ return boost::hash_range(a.cbegin(), a.cend());
+}