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1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
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2 /* |
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3 * Copyright (c) 2008,2009 IITP RAS |
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4 * |
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5 * This program is free software; you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License version 2 as |
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7 * published by the Free Software Foundation; |
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8 * |
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9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU General Public License |
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15 * along with this program; if not, write to the Free Software |
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16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 * |
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18 * Author: Kirill Andreev <andreev@iitp.ru> |
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19 */ |
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20 |
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21 |
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22 #include "ns3/node.h" |
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23 #include "ns3/channel.h" |
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24 #include "ns3/packet.h" |
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25 #include "ns3/log.h" |
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26 #include "ns3/boolean.h" |
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27 #include "ns3/simulator.h" |
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28 #include "ns3/l2-routing-net-device.h" |
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29 |
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30 NS_LOG_COMPONENT_DEFINE ("L2RoutingNetDevice"); |
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31 |
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32 namespace ns3 { |
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33 |
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34 NS_OBJECT_ENSURE_REGISTERED (L2RoutingNetDevice); |
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35 |
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36 |
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37 TypeId |
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38 L2RoutingNetDevice::GetTypeId (void) |
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39 { |
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40 static TypeId tid = TypeId ("ns3::L2RoutingNetDevice") |
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41 .SetParent<NetDevice> () |
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42 .AddConstructor<L2RoutingNetDevice> () |
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43 ; |
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44 return tid; |
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45 } |
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46 |
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47 |
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48 L2RoutingNetDevice::L2RoutingNetDevice () |
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49 { |
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50 NS_LOG_FUNCTION_NOARGS (); |
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51 m_channel = CreateObject<BridgeChannel> (); |
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52 } |
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53 |
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54 L2RoutingNetDevice::~L2RoutingNetDevice() |
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55 { |
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56 NS_LOG_FUNCTION_NOARGS (); |
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57 } |
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58 |
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59 void |
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60 L2RoutingNetDevice::DoDispose () |
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61 { |
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62 NS_LOG_FUNCTION_NOARGS (); |
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63 for (std::vector< Ptr<NetDevice> >::iterator iter = m_ports.begin (); iter != m_ports.end (); iter++) |
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64 *iter = 0; |
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65 m_ports.clear (); |
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66 m_node = 0; |
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67 NetDevice::DoDispose (); |
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68 |
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69 } |
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70 |
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71 void |
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72 L2RoutingNetDevice::ReceiveFromDevice (Ptr<NetDevice> incomingPort, Ptr<const Packet> packet, uint16_t protocol, |
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73 Address const &src, Address const &dst, PacketType packetType) |
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74 { |
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75 NS_LOG_FUNCTION_NOARGS (); |
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76 NS_LOG_DEBUG ("UID is " << packet->GetUid ()); |
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77 const Mac48Address src48 = Mac48Address::ConvertFrom (src); |
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78 const Mac48Address dst48 = Mac48Address::ConvertFrom (dst); |
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79 if (!m_promiscRxCallback.IsNull ()) |
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80 m_promiscRxCallback (this, packet, protocol, src, dst, packetType); |
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81 switch (packetType) |
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82 { |
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83 case PACKET_HOST: |
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84 if (dst48 == m_address) |
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85 m_rxCallback (this, packet, protocol, src); |
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86 break; |
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87 case PACKET_BROADCAST: |
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88 case PACKET_MULTICAST: |
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89 m_rxCallback (this, packet, protocol, src); |
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90 case PACKET_OTHERHOST: |
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91 Forward (incomingPort, packet->Copy(), protocol, src48, dst48); |
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92 break; |
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93 } |
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94 |
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95 } |
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96 |
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97 void |
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98 L2RoutingNetDevice::Forward (Ptr<NetDevice> inport, Ptr<Packet> packet, |
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99 uint16_t protocol, const Mac48Address src, const Mac48Address dst) |
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100 { |
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101 //pass through routing protocol |
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102 m_requestRoute(inport->GetIfIndex(), src, dst, packet, protocol, m_myResponse); |
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103 } |
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104 |
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105 uint32_t |
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106 L2RoutingNetDevice::GetNPorts (void) const |
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107 { |
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108 NS_LOG_FUNCTION_NOARGS (); |
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109 return m_ports.size (); |
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110 } |
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111 |
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112 Ptr<NetDevice> |
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113 L2RoutingNetDevice::GetPort (uint32_t n) const |
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114 { |
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115 NS_ASSERT(m_ports.size () > n); |
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116 return m_ports[n]; |
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117 } |
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118 |
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119 void |
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120 L2RoutingNetDevice::AddPort (Ptr<NetDevice> routingPort) |
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121 { |
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122 NS_LOG_FUNCTION_NOARGS (); |
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123 NS_ASSERT (routingPort != this); |
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124 if (!Mac48Address::IsMatchingType (routingPort->GetAddress ())) |
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125 NS_FATAL_ERROR ("Device does not support eui 48 addresses: cannot be added to bridge."); |
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126 if (!routingPort->SupportsSendFrom ()) |
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127 NS_FATAL_ERROR ("Device does not support SendFrom: cannot be added to bridge."); |
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128 m_address = Mac48Address::ConvertFrom (routingPort->GetAddress ()); |
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129 NS_LOG_DEBUG ("RegisterProtocolHandler for " << routingPort->GetName ()); |
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130 m_node->RegisterProtocolHandler (MakeCallback (&L2RoutingNetDevice::ReceiveFromDevice, this), |
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131 0, routingPort, true); |
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132 m_ports.push_back (routingPort); |
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133 m_channel->AddChannel (routingPort->GetChannel ()); |
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134 } |
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135 |
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136 void |
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137 L2RoutingNetDevice::SetName(const std::string name) |
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138 { |
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139 NS_LOG_FUNCTION_NOARGS (); |
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140 m_name = name; |
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141 } |
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142 |
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143 std::string |
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144 L2RoutingNetDevice::GetName(void) const |
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145 { |
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146 NS_LOG_FUNCTION_NOARGS (); |
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147 return m_name; |
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148 } |
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149 |
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150 void |
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151 L2RoutingNetDevice::SetIfIndex(const uint32_t index) |
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152 { |
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153 NS_LOG_FUNCTION_NOARGS (); |
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154 m_ifIndex = index; |
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155 } |
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156 |
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157 uint32_t |
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158 L2RoutingNetDevice::GetIfIndex(void) const |
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159 { |
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160 NS_LOG_FUNCTION_NOARGS (); |
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161 return m_ifIndex; |
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162 } |
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163 |
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164 Ptr<Channel> |
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165 L2RoutingNetDevice::GetChannel (void) const |
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166 { |
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167 NS_LOG_FUNCTION_NOARGS (); |
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168 return m_channel; |
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169 } |
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170 |
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171 Address |
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172 L2RoutingNetDevice::GetAddress (void) const |
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173 { |
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174 NS_LOG_FUNCTION_NOARGS (); |
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175 return m_address; |
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176 } |
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177 |
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178 bool |
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179 L2RoutingNetDevice::SetMtu (const uint16_t mtu) |
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180 { |
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181 NS_LOG_FUNCTION_NOARGS (); |
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182 m_mtu = mtu; |
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183 return true; |
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184 } |
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185 |
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186 uint16_t |
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187 L2RoutingNetDevice::GetMtu (void) const |
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188 { |
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189 NS_LOG_FUNCTION_NOARGS (); |
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190 return 1500; |
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191 } |
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192 |
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193 |
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194 bool |
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195 L2RoutingNetDevice::IsLinkUp (void) const |
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196 { |
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197 NS_LOG_FUNCTION_NOARGS (); |
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198 return true; |
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199 } |
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200 |
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201 |
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202 void |
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203 L2RoutingNetDevice::SetLinkChangeCallback (Callback<void> callback) |
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204 {} |
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205 |
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206 bool |
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207 L2RoutingNetDevice::IsBroadcast (void) const |
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208 { |
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209 NS_LOG_FUNCTION_NOARGS (); |
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210 return true; |
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211 } |
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212 |
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213 |
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214 Address |
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215 L2RoutingNetDevice::GetBroadcast (void) const |
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216 { |
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217 NS_LOG_FUNCTION_NOARGS (); |
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218 return Mac48Address ("ff:ff:ff:ff:ff:ff"); |
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219 } |
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220 |
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221 bool |
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222 L2RoutingNetDevice::IsMulticast (void) const |
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223 { |
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224 NS_LOG_FUNCTION_NOARGS (); |
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225 return true; |
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226 } |
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227 |
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228 Address |
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229 L2RoutingNetDevice::GetMulticast (Ipv4Address multicastGroup) const |
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230 { |
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231 NS_LOG_FUNCTION (this << multicastGroup); |
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232 Mac48Address multicast = Mac48Address::GetMulticast (multicastGroup); |
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233 return multicast; |
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234 } |
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235 |
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236 |
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237 bool |
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238 L2RoutingNetDevice::IsPointToPoint (void) const |
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239 { |
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240 NS_LOG_FUNCTION_NOARGS (); |
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241 return false; |
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242 } |
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243 |
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244 bool |
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245 L2RoutingNetDevice::IsBridge (void) const |
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246 { |
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247 NS_LOG_FUNCTION_NOARGS (); |
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248 return false; |
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249 } |
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250 |
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251 |
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252 bool |
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253 L2RoutingNetDevice::Send (Ptr<Packet> packet, const Address& dest, uint16_t protocolNumber) |
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254 { |
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255 |
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256 const Mac48Address dst48 = Mac48Address::ConvertFrom (dest); |
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257 return m_requestRoute(m_ifIndex, m_address, dst48, packet, protocolNumber, m_myResponse); |
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258 } |
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259 |
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260 bool |
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261 L2RoutingNetDevice::SendFrom (Ptr<Packet> packet, const Address& src, const Address& dest, uint16_t protocolNumber) |
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262 { |
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263 const Mac48Address src48 = Mac48Address::ConvertFrom (src); |
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264 const Mac48Address dst48 = Mac48Address::ConvertFrom (dest); |
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265 return m_requestRoute(m_ifIndex, src48, dst48, packet, protocolNumber, m_myResponse); |
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266 } |
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267 |
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268 |
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269 Ptr<Node> |
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270 L2RoutingNetDevice::GetNode (void) const |
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271 { |
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272 NS_LOG_FUNCTION_NOARGS (); |
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273 return m_node; |
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274 } |
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275 |
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276 |
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277 void |
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278 L2RoutingNetDevice::SetNode (Ptr<Node> node) |
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279 { |
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280 NS_LOG_FUNCTION_NOARGS (); |
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281 m_node = node; |
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282 } |
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283 |
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284 |
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285 bool |
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286 L2RoutingNetDevice::NeedsArp (void) const |
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287 { |
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288 NS_LOG_FUNCTION_NOARGS (); |
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289 return true; |
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290 } |
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291 |
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292 |
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293 void |
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294 L2RoutingNetDevice::SetReceiveCallback (NetDevice::ReceiveCallback cb) |
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295 { |
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296 NS_LOG_FUNCTION_NOARGS (); |
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297 m_rxCallback = cb; |
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298 } |
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299 |
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300 void |
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301 L2RoutingNetDevice::SetPromiscReceiveCallback (NetDevice::PromiscReceiveCallback cb) |
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302 { |
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303 NS_LOG_FUNCTION_NOARGS (); |
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304 m_promiscRxCallback = cb; |
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305 } |
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306 |
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307 bool |
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308 L2RoutingNetDevice::SupportsSendFrom () const |
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309 { |
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310 NS_LOG_FUNCTION_NOARGS (); |
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311 return true; |
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312 } |
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313 |
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314 Address |
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315 L2RoutingNetDevice::GetMulticast (Ipv6Address addr) const |
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316 { |
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317 NS_LOG_FUNCTION (this << addr); |
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318 return Mac48Address::GetMulticast (addr); |
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319 } |
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320 //L2RouitingSpecific methods: |
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321 |
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322 bool |
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323 L2RoutingNetDevice::AttachProtocol(Ptr<L2RoutingProtocol> protocol) |
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324 { |
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325 m_requestRoute = MakeCallback(&L2RoutingProtocol::RequestRoute, protocol); |
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326 m_myResponse = MakeCallback(&L2RoutingNetDevice::ProtocolResponse, this); |
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327 protocol->SetIfIndex(m_ifIndex); |
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328 return protocol->AttachPorts(m_ports); |
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329 } |
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330 |
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331 void |
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332 L2RoutingNetDevice::ProtocolResponse( |
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333 bool success, |
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334 Ptr<Packet> packet, |
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335 Mac48Address src, |
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336 Mac48Address dst, |
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337 uint16_t protocol, |
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338 uint32_t outPort |
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339 ) |
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340 { |
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341 if(!success) |
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342 { |
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343 NS_LOG_UNCOND("Resolve failed"); |
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344 //TODO: SendError callback |
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345 return; |
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346 } |
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347 //just do sendFrom! |
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348 if(outPort!=0xffffffff) |
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349 GetPort(outPort)->SendFrom(packet, src, dst, protocol); |
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350 else |
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351 for(std::vector<Ptr<NetDevice> >::iterator i = m_ports.begin(); i!= m_ports.end(); i++) |
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352 (*i) -> SendFrom(packet, src, dst, protocol); |
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353 } |
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354 |
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355 } // namespace ns3 |