173 lines
3.7 KiB
C++
173 lines
3.7 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "mac64-address.h"
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#include "address.h"
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#include "ns3/assert.h"
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#include <iomanip>
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#include <iostream>
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#include <string.h>
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namespace ns3 {
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#define ASCII_a (0x41)
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#define ASCII_z (0x5a)
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#define ASCII_A (0x61)
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#define ASCII_Z (0x7a)
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#define ASCII_COLON (0x3a)
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#define ASCII_ZERO (0x30)
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static char
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AsciiToLowCase (char c)
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{
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if (c >= ASCII_a && c <= ASCII_z) {
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return c;
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} else if (c >= ASCII_A && c <= ASCII_Z) {
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return c + (ASCII_a - ASCII_A);
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} else {
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return c;
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}
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}
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Mac64Address::Mac64Address ()
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{
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memset (m_address, 0, 8);
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}
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Mac64Address::Mac64Address (const char *str)
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{
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int i = 0;
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while (*str != 0 && i < 8)
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{
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uint8_t byte = 0;
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while (*str != ASCII_COLON && *str != 0)
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{
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byte <<= 4;
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char low = AsciiToLowCase (*str);
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if (low >= ASCII_a)
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{
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byte |= low - ASCII_a + 10;
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}
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else
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{
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byte |= low - ASCII_ZERO;
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}
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str++;
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}
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m_address[i] = byte;
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i++;
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if (*str == 0)
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{
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break;
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}
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str++;
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}
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NS_ASSERT (i == 6);
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}
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void
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Mac64Address::CopyFrom (const uint8_t buffer[8])
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{
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memcpy (m_address, buffer, 8);
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}
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void
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Mac64Address::CopyTo (uint8_t buffer[8]) const
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{
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memcpy (buffer, m_address, 8);
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}
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bool
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Mac64Address::IsMatchingType (const Address &address)
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{
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return address.CheckCompatible (GetType (), 8);
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}
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Mac64Address::operator Address () const
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{
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return ConvertTo ();
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}
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Mac64Address
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Mac64Address::ConvertFrom (const Address &address)
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{
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NS_ASSERT (address.CheckCompatible (GetType (), 8));
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Mac64Address retval;
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address.CopyTo (retval.m_address);
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return retval;
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}
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Address
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Mac64Address::ConvertTo (void) const
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{
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return Address (GetType (), m_address, 8);
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}
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Mac64Address
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Mac64Address::Allocate (void)
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{
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static uint64_t id = 0;
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id++;
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Mac64Address address;
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address.m_address[0] = (id >> 56) & 0xff;
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address.m_address[1] = (id >> 48) & 0xff;
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address.m_address[2] = (id >> 40) & 0xff;
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address.m_address[3] = (id >> 32) & 0xff;
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address.m_address[4] = (id >> 24) & 0xff;
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address.m_address[5] = (id >> 16) & 0xff;
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address.m_address[6] = (id >> 8) & 0xff;
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address.m_address[7] = (id >> 0) & 0xff;
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return address;
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}
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uint8_t
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Mac64Address::GetType (void)
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{
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static uint8_t type = Address::Register ();
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return type;
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}
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bool operator == (const Mac64Address &a, const Mac64Address &b)
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{
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uint8_t ada[8];
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uint8_t adb[8];
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a.CopyTo (ada);
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b.CopyTo (adb);
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return memcmp (ada, adb, 8) == 0;
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}
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bool operator != (const Mac64Address &a, const Mac64Address &b)
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{
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return ! (a == b);
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}
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std::ostream& operator<< (std::ostream& os, const Mac64Address & address)
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{
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uint8_t ad[8];
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address.CopyTo (ad);
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os.setf (std::ios::hex, std::ios::basefield);
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os.fill('0');
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for (uint8_t i=0; i < 7; i++)
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{
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os << std::setw(2) << (uint32_t)ad[i] << ":";
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}
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// Final byte not suffixed by ":"
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os << std::setw(2) << (uint32_t)ad[7];
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os.setf (std::ios::dec, std::ios::basefield);
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os.fill(' ');
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return os;
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}
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} // namespace ns3
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