53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (C) 2014 Named Data Networking Project
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* See COPYING for copyright and distribution information.
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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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Address a;
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int n, ret;
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// colon-separated
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ret = ::sscanf(str.c_str(), "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx%n",
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&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &n);
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if (ret >= 6 && str.c_str()[n] == '\0')
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return a;
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// dash-separated
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ret = ::sscanf(str.c_str(), "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx%n",
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&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &n);
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if (ret >= 6 && str.c_str()[n] == '\0')
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return a;
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return Address();
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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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