Alexander Afanasyev
613e2a9ba3
Note that as of this commit, there are several changes in location of compiled binaries in `build/` folder: * `nfd` has been moved to `build/bin/nfd` * `unit-tests` has been split into `unit-tests-core` and `unit-tests-daemon` Change-Id: I2c830c117879edbaa5457d6423c13f0273285919 Refs: #1486
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014 Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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**/
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#include "ethernet.hpp"
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#include <stdio.h>
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namespace nfd {
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namespace ethernet {
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std::string
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Address::toString(char sep) const
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{
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char s[18]; // 12 digits + 5 separators + null terminator
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::snprintf(s, sizeof(s), "%02x%c%02x%c%02x%c%02x%c%02x%c%02x",
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elems[0], sep, elems[1], sep, elems[2], sep,
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elems[3], sep, elems[4], sep, elems[5]);
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return std::string(s);
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}
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Address
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Address::fromString(const std::string& str)
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{
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unsigned short temp[ADDR_LEN];
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char sep[5][2]; // 5 * (1 separator char + 1 null terminator)
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int n = 0; // num of chars read from the input string
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// ISO C++98 does not support the 'hh' type modifier
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/// \todo use SCNx8 (cinttypes) when we enable C++11
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int ret = ::sscanf(str.c_str(), "%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%1[:-]%2hx%n",
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&temp[0], &sep[0][0], &temp[1], &sep[1][0], &temp[2], &sep[2][0],
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&temp[3], &sep[3][0], &temp[4], &sep[4][0], &temp[5], &n);
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if (ret < 11 || static_cast<size_t>(n) != str.length())
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return Address();
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Address a;
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for (size_t i = 0; i < ADDR_LEN; ++i)
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{
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// check that all separators are actually the same char (: or -)
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if (i < 5 && sep[i][0] != sep[0][0])
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return Address();
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// check that each value fits into a uint8_t
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if (temp[i] > 0xFF)
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return Address();
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a[i] = static_cast<uint8_t>(temp[i]);
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}
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return a;
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}
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std::ostream&
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operator<<(std::ostream& o, const Address& a)
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{
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return o << a.toString();
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}
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} // namespace ethernet
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} // namespace nfd
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