author | Gustavo J. A. M. Carneiro <gjc@inescporto.pt> |
Fri, 11 Jul 2008 18:39:19 +0100 | |
changeset 3416 | 926ccb845111 |
parent 3179 | 1763f7ac8e80 |
child 4184 | e7a525be7dc2 |
permissions | -rw-r--r-- |
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
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/* |
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* Copyright (c) 2008 University of Washington |
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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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|
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#include <list> |
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#include "ns3/assert.h" |
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#include "ns3/log.h" |
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#include "ns3/simulation-singleton.h" |
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#include "ipv4-address-generator.h" |
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NS_LOG_COMPONENT_DEFINE("Ipv4AddressGenerator"); |
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|
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namespace ns3 { |
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|
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class Ipv4AddressGeneratorImpl |
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{ |
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public: |
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Ipv4AddressGeneratorImpl (); |
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virtual ~Ipv4AddressGeneratorImpl (); |
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|
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void Init (const Ipv4Address net, const Ipv4Mask mask, |
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const Ipv4Address addr); |
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|
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Ipv4Address GetNetwork (const Ipv4Mask mask) const; |
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Ipv4Address NextNetwork (const Ipv4Mask mask); |
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|
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void InitAddress (const Ipv4Address addr, const Ipv4Mask mask); |
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Ipv4Address GetAddress (const Ipv4Mask mask) const; |
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Ipv4Address NextAddress (const Ipv4Mask mask); |
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|
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void Reset (void); |
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bool AddAllocated (const Ipv4Address addr); |
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|
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void TestMode (void); |
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private: |
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static const uint32_t N_BITS = 32; |
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static const uint32_t MOST_SIGNIFICANT_BIT = 0x80000000; |
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|
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uint32_t MaskToIndex (Ipv4Mask mask) const; |
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|
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class NetworkState |
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{ |
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public: |
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uint32_t mask; |
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uint32_t shift; |
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uint32_t network; |
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uint32_t addr; |
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uint32_t addrMax; |
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}; |
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|
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NetworkState m_netTable[N_BITS]; |
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|
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class Entry |
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{ |
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public: |
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uint32_t addrLow; |
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uint32_t addrHigh; |
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}; |
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|
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std::list<Entry> m_entries; |
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bool m_test; |
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}; |
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|
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Ipv4AddressGeneratorImpl::Ipv4AddressGeneratorImpl () |
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: m_entries (), m_test (false) |
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{ |
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NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
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NS_LOG_FUNCTION_NOARGS (); |
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Reset (); |
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} |
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|
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void |
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Ipv4AddressGeneratorImpl::Reset (void) |
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{ |
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NS_LOG_FUNCTION_NOARGS (); |
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|
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uint32_t mask = 0; |
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// |
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// There are 32 possible masks in a 32-bit integer. Two of these are illegal |
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// for a network mask (0x00000000 and 0xffffffff). Valid network masks |
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// correspond to some nonzero number of high order bits set to one followed by |
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// some nonzero number of lower order bits set to zero. |
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// |
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// We look at a network number as an n-bit number where n is defined as the |
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// number of bits in each mask. Allocating a new network number is simply |
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// incrementing this number. |
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// |
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// In order to combine an allocated network number with an IP address, we have |
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// to shift the network into the correct alignment with respect to its mask. |
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// For example, a network mask of 0xff000000 admits the possibility of 256 |
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// different network numbers since there are eight bits available. To create |
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// IP addresses, we need to shift the network number counter left by 24 bits |
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// to put it in correct alignment. This leaves 24 bits left for addresses. |
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// We make sure we don't overflow by saving a maximum address number which is |
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// just the inverse of the mask (~mask). |
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// |
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for (uint32_t i = 0; i < N_BITS; ++i) |
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{ |
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m_netTable[i].mask = mask; |
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mask >>= 1; |
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mask |= MOST_SIGNIFICANT_BIT; |
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m_netTable[i].network = 1; |
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m_netTable[i].addr = 1; |
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m_netTable[i].addrMax = ~mask; |
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m_netTable[i].shift = N_BITS - i; |
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} |
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m_entries.clear (); |
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m_test = false; |
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} |
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123 |
|
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124 |
Ipv4AddressGeneratorImpl::~Ipv4AddressGeneratorImpl () |
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125 |
{ |
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126 |
NS_LOG_FUNCTION_NOARGS (); |
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127 |
} |
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128 |
|
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129 |
void |
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130 |
Ipv4AddressGeneratorImpl::Init ( |
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131 |
const Ipv4Address net, |
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132 |
const Ipv4Mask mask, |
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133 |
const Ipv4Address addr) |
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134 |
{ |
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135 |
NS_LOG_FUNCTION_NOARGS (); |
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136 |
// |
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137 |
// We're going to be playing with the actual bits in the network and mask so |
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138 |
// pull them out into ints. |
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139 |
// |
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140 |
uint32_t maskBits __attribute__((unused)) = mask.Get (); |
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141 |
uint32_t netBits = net.Get (); |
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142 |
uint32_t addrBits = addr.Get (); |
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143 |
// |
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144 |
// Some quick reasonableness testing. |
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145 |
// |
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146 |
NS_ASSERT_MSG((netBits & ~maskBits) == 0, |
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147 |
"Ipv4AddressGeneratorImpl::Init (): Inconsistent network and mask"); |
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148 |
|
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149 |
NS_ASSERT_MSG((addrBits & maskBits) == 0, |
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150 |
"Ipv4AddressGeneratorImpl::Init (): Inconsistent address and mask"); |
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151 |
|
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152 |
// |
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153 |
// Convert the network mask into an index into the network number table. |
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154 |
// The network number comes in to us properly aligned for the mask and so |
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155 |
// needs to be shifted right into the normalized position (lowest bit of the |
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156 |
// network number at bit zero of the int that holds it). |
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157 |
// |
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158 |
uint32_t index = MaskToIndex (mask); |
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159 |
|
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160 |
m_netTable[index].network = netBits >> m_netTable[index].shift; |
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161 |
|
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162 |
NS_ASSERT_MSG (addrBits <= m_netTable[index].addrMax, |
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163 |
"Ipv4AddressGeneratorImpl::Init(): Address overflow"); |
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164 |
|
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165 |
m_netTable[index].addr = addrBits; |
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166 |
return; |
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167 |
} |
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168 |
|
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169 |
Ipv4Address |
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170 |
Ipv4AddressGeneratorImpl::GetNetwork ( |
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171 |
const Ipv4Mask mask) const |
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172 |
{ |
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173 |
NS_LOG_FUNCTION_NOARGS (); |
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174 |
|
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175 |
uint32_t index = MaskToIndex (mask); |
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176 |
return Ipv4Address (m_netTable[index].network << m_netTable[index].shift); |
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177 |
} |
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178 |
|
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179 |
Ipv4Address |
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180 |
Ipv4AddressGeneratorImpl::NextNetwork ( |
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181 |
const Ipv4Mask mask) |
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182 |
{ |
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183 |
NS_LOG_FUNCTION_NOARGS (); |
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|
184 |
// |
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185 |
// The way this is expected to be used is that an address and network prefix |
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|
186 |
// are initialized, and then NextAddress() is called repeatedly to set the |
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|
187 |
// addresses on a given subnet. The client will expect that the first |
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|
188 |
// addresses will use the network prefix she used to initialize the generator |
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|
189 |
// with. After a subnet is assigned, the client will call NextNetwork to |
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|
190 |
// get the network number of the next subnet. This implies that that this |
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|
191 |
// operation is a pre-increment. |
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|
192 |
// |
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|
193 |
uint32_t index = MaskToIndex (mask); |
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|
194 |
++m_netTable[index].network; |
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|
195 |
return Ipv4Address (m_netTable[index].network << m_netTable[index].shift); |
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|
196 |
} |
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|
197 |
|
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|
198 |
void |
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|
199 |
Ipv4AddressGeneratorImpl::InitAddress ( |
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|
200 |
const Ipv4Address addr, |
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|
201 |
const Ipv4Mask mask) |
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|
202 |
{ |
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NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
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|
203 |
NS_LOG_FUNCTION_NOARGS (); |
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|
204 |
|
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|
205 |
uint32_t index = MaskToIndex (mask); |
3179
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bug 146: s/HostOrder//
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parents:
3007
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|
206 |
uint32_t addrBits = addr.Get (); |
2722
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|
207 |
|
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|
208 |
NS_ASSERT_MSG (addrBits <= m_netTable[index].addrMax, |
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changeset
|
209 |
"Ipv4AddressGeneratorImpl::InitAddress(): Address overflow"); |
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changeset
|
210 |
|
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|
211 |
m_netTable[index].addr = addrBits; |
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changeset
|
212 |
} |
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changeset
|
213 |
|
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changeset
|
214 |
Ipv4Address |
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|
215 |
Ipv4AddressGeneratorImpl::GetAddress ( |
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changeset
|
216 |
const Ipv4Mask mask) const |
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|
217 |
{ |
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NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
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|
218 |
NS_LOG_FUNCTION_NOARGS (); |
2722
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|
219 |
|
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|
220 |
uint32_t index = MaskToIndex (mask); |
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|
221 |
|
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|
222 |
return Ipv4Address ( |
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|
223 |
(m_netTable[index].network << m_netTable[index].shift) | |
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|
224 |
m_netTable[index].addr); |
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|
225 |
} |
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|
226 |
|
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|
227 |
Ipv4Address |
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|
228 |
Ipv4AddressGeneratorImpl::NextAddress (const Ipv4Mask mask) |
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229 |
{ |
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|
230 |
NS_LOG_FUNCTION_NOARGS (); |
2722
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|
231 |
// |
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changeset
|
232 |
// The way this is expected to be used is that an address and network prefix |
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|
233 |
// are initialized, and then NextAddress() is called repeatedly to set the |
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changeset
|
234 |
// addresses on a given subnet. The client will expect that the first address |
f59635c9c679
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changeset
|
235 |
// she gets back is the one she used to initialize the generator with. This |
f59635c9c679
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|
236 |
// implies that this operation is a post-increment. |
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|
237 |
// |
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|
238 |
uint32_t index = MaskToIndex (mask); |
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changeset
|
239 |
|
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|
240 |
NS_ASSERT_MSG (m_netTable[index].addr <= m_netTable[index].addrMax, |
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parents:
diff
changeset
|
241 |
"Ipv4AddressGeneratorImpl::NextAddress(): Address overflow"); |
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changeset
|
242 |
|
f59635c9c679
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|
243 |
Ipv4Address addr = Ipv4Address ( |
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|
244 |
(m_netTable[index].network << m_netTable[index].shift) | |
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changeset
|
245 |
m_netTable[index].addr); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
246 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
247 |
++m_netTable[index].addr; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
248 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
249 |
// Make a note that we've allocated this address -- used for address collision |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
250 |
// detection. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
251 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
252 |
AddAllocated (addr); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
253 |
return addr; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
254 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
255 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
256 |
bool |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
257 |
Ipv4AddressGeneratorImpl::AddAllocated (const Ipv4Address address) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
258 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
259 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
260 |
|
3179
1763f7ac8e80
bug 146: s/HostOrder//
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3007
diff
changeset
|
261 |
uint32_t addr = address.Get (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
262 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
263 |
NS_ASSERT_MSG (addr, "Ipv4AddressGeneratorImpl::Add(): " |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
264 |
"Allocating the broadcast address is not a good idea"); |
3007
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
265 |
|
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
266 |
std::list<Entry>::iterator i; |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
267 |
|
3007
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
268 |
for (i = m_entries.begin (); i != m_entries.end (); ++i) |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
269 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
270 |
NS_LOG_LOGIC ("examine entry: " << Ipv4Address ((*i).addrLow) << |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
271 |
" to " << Ipv4Address ((*i).addrHigh)); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
272 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
273 |
// First things first. Is there an address collision -- that is, does the |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
274 |
// new address fall in a previously allocated block of addresses. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
275 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
276 |
if (addr >= (*i).addrLow && addr <= (*i).addrHigh) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
277 |
{ |
3007
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
278 |
NS_LOG_LOGIC ("Ipv4AddressGeneratorImpl::Add(): " |
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
279 |
"Address Collision: " << Ipv4Address (addr)); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
280 |
if (!m_test) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
281 |
{ |
3007
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
282 |
NS_ASSERT_MSG (0, "Ipv4AddressGeneratorImpl::Add(): " |
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
283 |
"Address Collision: " << Ipv4Address (addr)); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
284 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
285 |
return false; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
286 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
287 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
288 |
// If the new address is less than the lowest address in the current block, |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
289 |
// and can't be merged into to the current block, then insert it as a new |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
290 |
// block before the current block. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
291 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
292 |
if (addr < (*i).addrLow - 1) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
293 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
294 |
break; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
295 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
296 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
297 |
// If the new address fits at the end of the block, look ahead to the next |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
298 |
// block and make sure it's not a collision there. If we won't overlap, then |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
299 |
// just extend the current block by one address. We expect that completely |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
300 |
// filled network ranges will be a fairly rare occurrence, so we don't worry |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
301 |
// about collapsing address range blocks. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
302 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
303 |
if (addr == (*i).addrHigh + 1) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
304 |
{ |
3007
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
305 |
std::list<Entry>::iterator j = i; |
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
306 |
++j; |
364e3943c8f0
fix optimized build, bug 169
Craig Dowell <craigdo@ee.washington.edu>
parents:
2983
diff
changeset
|
307 |
|
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
308 |
if (j != m_entries.end ()) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
309 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
310 |
if (addr == (*j).addrLow) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
311 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
312 |
NS_LOG_LOGIC ("Ipv4AddressGeneratorImpl::Add(): " |
2894
a65404754cb7
some additional debugging for addressing conflicts
Tom Henderson <tomh@tomh.org>
parents:
2723
diff
changeset
|
313 |
"Address Collision: " << Ipv4Address (addr)); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
314 |
if (!m_test) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
315 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
316 |
NS_ASSERT_MSG (0, |
2894
a65404754cb7
some additional debugging for addressing conflicts
Tom Henderson <tomh@tomh.org>
parents:
2723
diff
changeset
|
317 |
"Ipv4AddressGeneratorImpl::Add(): " |
a65404754cb7
some additional debugging for addressing conflicts
Tom Henderson <tomh@tomh.org>
parents:
2723
diff
changeset
|
318 |
"Address Collision: " << Ipv4Address (addr)); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
319 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
320 |
return false; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
321 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
322 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
323 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
324 |
NS_LOG_LOGIC ("New addrHigh = " << Ipv4Address (addr)); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
325 |
(*i).addrHigh = addr; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
326 |
return true; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
327 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
328 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
329 |
// If we get here, we know that the next lower block of addresses couldn't |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
330 |
// have been extended to include this new address since the code immediately |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
331 |
// above would have been executed and that next lower block extended upward. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
332 |
// So we know it's safe to extend the current block down to includ the new |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
333 |
// address. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
334 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
335 |
if (addr == (*i).addrLow - 1) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
336 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
337 |
NS_LOG_LOGIC ("New addrLow = " << Ipv4Address (addr)); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
338 |
(*i).addrLow = addr; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
339 |
return true; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
340 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
341 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
342 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
343 |
Entry entry; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
344 |
entry.addrLow = entry.addrHigh = addr; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
345 |
m_entries.insert(i, entry); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
346 |
return true; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
347 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
348 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
349 |
void |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
350 |
Ipv4AddressGeneratorImpl::TestMode (void) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
351 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
352 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
353 |
m_test = true; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
354 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
355 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
356 |
uint32_t |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
357 |
Ipv4AddressGeneratorImpl::MaskToIndex (Ipv4Mask mask) const |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
358 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
359 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
360 |
// We've been given a mask that has a higher order bit set for each bit of the |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
361 |
// network number. In order to translate this mask into an index, we just need |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
362 |
// to count the number of zero bits in the mask. We do this in a loop in which |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
363 |
// we shift the mask right until we find the first nonzero bit. This tells us |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
364 |
// the number of zero bits, and from this we infer the number of nonzero bits |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
365 |
// which is the number of bits in the mask. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
366 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
367 |
// We use the number of bits in the mask as the number of bits in the network |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
368 |
// number and as the index into the network number state table. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
369 |
// |
3179
1763f7ac8e80
bug 146: s/HostOrder//
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3007
diff
changeset
|
370 |
uint32_t maskBits = mask.Get (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
371 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
372 |
for (uint32_t i = 0; i < N_BITS; ++i) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
373 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
374 |
if (maskBits & 1) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
375 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
376 |
uint32_t index = N_BITS - i; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
377 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
378 |
NS_ASSERT_MSG (index > 0 && index < N_BITS, |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
379 |
"Ipv4AddressGenerator::MaskToIndex(): Illegal Mask"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
380 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
381 |
return index; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
382 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
383 |
maskBits >>= 1; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
384 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
385 |
NS_ASSERT_MSG(false, "Ipv4AddressGenerator::MaskToIndex(): Impossible"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
386 |
return 0; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
387 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
388 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
389 |
void |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
390 |
Ipv4AddressGenerator::Init ( |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
391 |
const Ipv4Address net, |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
392 |
const Ipv4Mask mask, |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
393 |
const Ipv4Address addr) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
394 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
395 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
396 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
397 |
SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
398 |
->Init (net, mask, addr); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
399 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
400 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
401 |
Ipv4Address |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
402 |
Ipv4AddressGenerator::NextNetwork (const Ipv4Mask mask) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
403 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
404 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
405 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
406 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
407 |
->NextNetwork (mask); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
408 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
409 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
410 |
Ipv4Address |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
411 |
Ipv4AddressGenerator::GetNetwork (const Ipv4Mask mask) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
412 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
413 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
414 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
415 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
416 |
->GetNetwork (mask); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
417 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
418 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
419 |
void |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
420 |
Ipv4AddressGenerator::InitAddress ( |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
421 |
const Ipv4Address addr, |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
422 |
const Ipv4Mask mask) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
423 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
424 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
425 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
426 |
SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
427 |
->InitAddress (addr, mask); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
428 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
429 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
430 |
Ipv4Address |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
431 |
Ipv4AddressGenerator::GetAddress (const Ipv4Mask mask) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
432 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
433 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
434 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
435 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
436 |
->GetAddress (mask); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
437 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
438 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
439 |
Ipv4Address |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
440 |
Ipv4AddressGenerator::NextAddress (const Ipv4Mask mask) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
441 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
442 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
443 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
444 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
445 |
->NextAddress (mask); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
446 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
447 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
448 |
void |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
449 |
Ipv4AddressGenerator::Reset (void) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
450 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
451 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
452 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
453 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
454 |
->Reset (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
455 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
456 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
457 |
bool |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
458 |
Ipv4AddressGenerator::AddAllocated (const Ipv4Address addr) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
459 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
460 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
461 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
462 |
return SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
463 |
->AddAllocated (addr); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
464 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
465 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
466 |
void |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
467 |
Ipv4AddressGenerator::TestMode (void) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
468 |
{ |
2983
e3a416fe9dd5
NS_LOG_FUNCTION -> NS_LOG_FUNCTION_NOARGS and NS_LOG_PARAMS -> NS_LOG_FUNCTION
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2894
diff
changeset
|
469 |
NS_LOG_FUNCTION_NOARGS (); |
2722
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
470 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
471 |
SimulationSingleton<Ipv4AddressGeneratorImpl>::Get () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
472 |
->TestMode (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
473 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
474 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
475 |
}; // namespace ns3 |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
476 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
477 |
#ifdef RUN_SELF_TESTS |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
478 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
479 |
#include "ns3/test.h" |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
480 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
481 |
namespace ns3 { |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
482 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
483 |
class Ipv4AddressGeneratorTest : public Test |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
484 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
485 |
public: |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
486 |
Ipv4AddressGeneratorTest (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
487 |
virtual bool RunTests (void); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
488 |
}; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
489 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
490 |
Ipv4AddressGeneratorTest::Ipv4AddressGeneratorTest () |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
491 |
: Test ("Ipv4AddressGenerator") |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
492 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
493 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
494 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
495 |
bool |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
496 |
Ipv4AddressGeneratorTest::RunTests (void) |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
497 |
{ |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
498 |
bool result = true; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
499 |
Ipv4Address network; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
500 |
Ipv4Address address; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
501 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
502 |
// Make sure the network number allocator is working on some of the network |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
503 |
// prefixes. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
504 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
505 |
Ipv4AddressGenerator::Init (Ipv4Address ("1.0.0.0"), Ipv4Mask ("255.0.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
506 |
Ipv4Address ("0.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
507 |
network = Ipv4AddressGenerator::GetNetwork (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
508 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("1.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
509 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
510 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("2.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
511 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
512 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.1.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
513 |
Ipv4Mask ("255.255.0.0"), Ipv4Address ("0.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
514 |
network = Ipv4AddressGenerator::GetNetwork (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
515 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.1.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
516 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
517 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.2.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
518 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
519 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.0.1.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
520 |
Ipv4Mask ("255.255.255.0"), Ipv4Address ("0.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
521 |
network = Ipv4AddressGenerator::GetNetwork (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
522 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.0.1.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
523 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
524 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.0.2.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
525 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
526 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
527 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("3.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
528 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
529 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.3.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
530 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
531 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.0.3.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
532 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
533 |
// Make sure the address allocator is working. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
534 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
535 |
Ipv4AddressGenerator::Init (Ipv4Address ("1.0.0.0"), Ipv4Mask ("255.0.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
536 |
Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
537 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
538 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("1.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
539 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
540 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("1.0.0.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
541 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
542 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.1.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
543 |
Ipv4Mask ("255.255.0.0"), Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
544 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
545 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.1.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
546 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
547 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.1.0.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
548 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
549 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.0.1.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
550 |
Ipv4Mask ("255.255.255.0"), Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
551 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
552 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.0.1.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
553 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
554 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.0.1.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
555 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
556 |
// Make sure they both play together. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
557 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
558 |
Ipv4AddressGenerator::Init (Ipv4Address ("3.0.0.0"), Ipv4Mask ("255.0.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
559 |
Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
560 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
561 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("3.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
562 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
563 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("3.0.0.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
564 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
565 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
566 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("4.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
567 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.0.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
568 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("4.0.0.5")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
569 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
570 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.3.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
571 |
Ipv4Mask ("255.255.0.0"), Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
572 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
573 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.3.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
574 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
575 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.3.0.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
576 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
577 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
578 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.4.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
579 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.0.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
580 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.4.0.5")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
581 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
582 |
Ipv4AddressGenerator::Init (Ipv4Address ("0.0.3.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
583 |
Ipv4Mask ("255.255.255.0"), Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
584 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
585 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.0.3.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
586 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
587 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.0.3.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
588 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
589 |
network = Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
590 |
NS_TEST_ASSERT_EQUAL (network, Ipv4Address ("0.0.4.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
591 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
592 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("0.0.4.5")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
593 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
594 |
// A quick kindof-semi-almost-real example. First, initialize our /24 network |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
595 |
// to 192.168.0.0 and begin allocating with ip address 0.0.0.3 out of that |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
596 |
// prefix. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
597 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
598 |
Ipv4AddressGenerator::Init (Ipv4Address ("192.168.0.0"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
599 |
Ipv4Mask ("255.255.255.0"), Ipv4Address ("0.0.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
600 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
601 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("192.168.0.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
602 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
603 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("192.168.0.4")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
604 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
605 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("192.168.0.5")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
606 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
607 |
// Allocate the next network out of our /24 network (this should be |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
608 |
// 192.168.1.0) and begin allocating with IP address 0.0.0.3 out of that |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
609 |
// prefix. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
610 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
611 |
Ipv4AddressGenerator::NextNetwork (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
612 |
Ipv4AddressGenerator::InitAddress (Ipv4Address ("0.0.0.3"), |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
613 |
Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
614 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
615 |
// The first address we should get is the previous numbers ORed together, which |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
616 |
// is 192.168.1.3, of course. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
617 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
618 |
address = Ipv4AddressGenerator::NextAddress (Ipv4Mask ("255.255.255.0")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
619 |
NS_TEST_ASSERT_EQUAL (address, Ipv4Address ("192.168.1.3")); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
620 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
621 |
// Make sure that the address collision logic works. |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
622 |
// |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
623 |
Ipv4AddressGenerator::Reset (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
624 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
625 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.5"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
626 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.10"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
627 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.15"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
628 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.20"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
629 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
630 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.4"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
631 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.3"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
632 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.2"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
633 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.1"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
634 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
635 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.6"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
636 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.7"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
637 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.8"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
638 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.9"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
639 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
640 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.11"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
641 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.12"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
642 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.13"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
643 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.14"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
644 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
645 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.19"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
646 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.18"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
647 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.17"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
648 |
Ipv4AddressGenerator::AddAllocated ("0.0.0.16"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
649 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
650 |
Ipv4AddressGenerator::TestMode (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
651 |
bool added = Ipv4AddressGenerator::AddAllocated ("0.0.0.21"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
652 |
NS_TEST_ASSERT_EQUAL (added, true); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
653 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
654 |
added = Ipv4AddressGenerator::AddAllocated ("0.0.0.4"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
655 |
NS_TEST_ASSERT_EQUAL (added, false); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
656 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
657 |
added = Ipv4AddressGenerator::AddAllocated ("0.0.0.9"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
658 |
NS_TEST_ASSERT_EQUAL (added, false); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
659 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
660 |
added = Ipv4AddressGenerator::AddAllocated ("0.0.0.16"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
661 |
NS_TEST_ASSERT_EQUAL (added, false); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
662 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
663 |
added = Ipv4AddressGenerator::AddAllocated ("0.0.0.21"); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
664 |
NS_TEST_ASSERT_EQUAL (added, false); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
665 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
666 |
Ipv4AddressGenerator::Reset (); |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
667 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
668 |
return result; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
669 |
} |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
670 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
671 |
static Ipv4AddressGeneratorTest g_addressGeneratorTest; |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
672 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
673 |
} // namespace ns3 |
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
674 |
|
f59635c9c679
address generator, address collision checker
Craig Dowell <craigdo@ee.washington.edu>
parents:
diff
changeset
|
675 |
#endif /* RUN_SELF_TEST */ |