| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2011-2015 Regents of the University of California. |
| * |
| * This file is part of ndnSIM. See AUTHORS for complete list of ndnSIM authors and |
| * contributors. |
| * |
| * ndnSIM is free software: you can redistribute it and/or modify it under the terms |
| * of the GNU General Public License as published by the Free Software Foundation, |
| * either version 3 of the License, or (at your option) any later version. |
| * |
| * ndnSIM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| * PURPOSE. See the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * ndnSIM, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>. |
| **/ |
| |
| #include "ndn-fib-helper.hpp" |
| |
| #include "ns3/assert.h" |
| #include "ns3/log.h" |
| #include "ns3/object.h" |
| #include "ns3/names.h" |
| #include "ns3/packet-socket-factory.h" |
| #include "ns3/config.h" |
| #include "ns3/simulator.h" |
| #include "ns3/string.h" |
| #include "ns3/net-device.h" |
| #include "ns3/channel.h" |
| #include "ns3/callback.h" |
| #include "ns3/node.h" |
| #include "ns3/core-config.h" |
| #include "ns3/point-to-point-net-device.h" |
| #include "ns3/point-to-point-helper.h" |
| #include "ns3/callback.h" |
| #include "ns3/node-list.h" |
| #include "ns3/data-rate.h" |
| |
| #include "daemon/mgmt/fib-manager.hpp" |
| #include "ns3/ndnSIM/model/ndn-l3-protocol.hpp" |
| #include "ns3/ndnSIM/helper/ndn-stack-helper.hpp" |
| |
| namespace ns3 { |
| namespace ndn { |
| |
| NS_LOG_COMPONENT_DEFINE("ndn.FibHelper"); |
| |
| void |
| FibHelper::AddNextHop(const ControlParameters& parameters, Ptr<Node> node) |
| { |
| NS_LOG_DEBUG("Add Next Hop command was initialized"); |
| Block encodedParameters(parameters.wireEncode()); |
| |
| Name commandName("/localhost/nfd/fib"); |
| commandName.append("add-nexthop"); |
| commandName.append(encodedParameters); |
| |
| shared_ptr<Interest> command(make_shared<Interest>(commandName)); |
| StackHelper::getKeyChain().sign(*command); |
| |
| Ptr<L3Protocol> l3protocol = node->GetObject<L3Protocol>(); |
| l3protocol->injectInterest(*command); |
| } |
| |
| void |
| FibHelper::RemoveNextHop(const ControlParameters& parameters, Ptr<Node> node) |
| { |
| NS_LOG_DEBUG("Remove Next Hop command was initialized"); |
| Block encodedParameters(parameters.wireEncode()); |
| |
| Name commandName("/localhost/nfd/fib"); |
| commandName.append("remove-nexthop"); |
| commandName.append(encodedParameters); |
| |
| shared_ptr<Interest> command(make_shared<Interest>(commandName)); |
| StackHelper::getKeyChain().sign(*command); |
| |
| Ptr<L3Protocol> l3protocol = node->GetObject<L3Protocol>(); |
| l3protocol->injectInterest(*command); |
| } |
| |
| void |
| FibHelper::AddRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face, int32_t metric) |
| { |
| NS_LOG_LOGIC("[" << node->GetId() << "]$ route add " << prefix << " via " << face->getLocalUri() |
| << " metric " << metric); |
| |
| // Get L3Protocol object |
| Ptr<L3Protocol> L3protocol = node->GetObject<L3Protocol>(); |
| // Get the forwarder instance |
| shared_ptr<nfd::Forwarder> m_forwarder = L3protocol->getForwarder(); |
| |
| ControlParameters parameters; |
| parameters.setName(prefix); |
| parameters.setFaceId(face->getId()); |
| parameters.setCost(metric); |
| |
| AddNextHop(parameters, node); |
| } |
| |
| void |
| FibHelper::AddRoute(Ptr<Node> node, const Name& prefix, uint32_t faceId, int32_t metric) |
| { |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceById(faceId); |
| NS_ASSERT_MSG(face != 0, "Face with ID [" << faceId << "] does not exist on node [" |
| << node->GetId() << "]"); |
| |
| AddRoute(node, prefix, face, metric); |
| } |
| |
| void |
| FibHelper::AddRoute(const std::string& nodeName, const Name& prefix, uint32_t faceId, |
| int32_t metric) |
| { |
| Ptr<Node> node = Names::Find<Node>(nodeName); |
| NS_ASSERT_MSG(node != 0, "Node [" << nodeName << "] does not exist"); |
| |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceById(faceId); |
| NS_ASSERT_MSG(face != 0, "Face with ID [" << faceId << "] does not exist on node [" << nodeName |
| << "]"); |
| |
| AddRoute(node, prefix, face, metric); |
| } |
| |
| void |
| FibHelper::AddRoute(Ptr<Node> node, const Name& prefix, Ptr<Node> otherNode, int32_t metric) |
| { |
| for (uint32_t deviceId = 0; deviceId < node->GetNDevices(); deviceId++) { |
| Ptr<PointToPointNetDevice> netDevice = |
| DynamicCast<PointToPointNetDevice>(node->GetDevice(deviceId)); |
| if (netDevice == 0) |
| continue; |
| |
| Ptr<Channel> channel = netDevice->GetChannel(); |
| if (channel == 0) |
| continue; |
| |
| if (channel->GetDevice(0)->GetNode() == otherNode |
| || channel->GetDevice(1)->GetNode() == otherNode) { |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceByNetDevice(netDevice); |
| NS_ASSERT_MSG(face != 0, "There is no face associated with the p2p link"); |
| |
| AddRoute(node, prefix, face, metric); |
| |
| return; |
| } |
| } |
| |
| NS_FATAL_ERROR("Cannot add route: Node# " << node->GetId() << " and Node# " << otherNode->GetId() |
| << " are not connected"); |
| } |
| |
| void |
| FibHelper::AddRoute(const std::string& nodeName, const Name& prefix, |
| const std::string& otherNodeName, int32_t metric) |
| { |
| Ptr<Node> node = Names::Find<Node>(nodeName); |
| NS_ASSERT_MSG(node != 0, "Node [" << nodeName << "] does not exist"); |
| |
| Ptr<Node> otherNode = Names::Find<Node>(otherNodeName); |
| NS_ASSERT_MSG(otherNode != 0, "Node [" << otherNodeName << "] does not exist"); |
| |
| AddRoute(node, prefix, otherNode, metric); |
| } |
| |
| void |
| FibHelper::RemoveRoute(Ptr<Node> node, const Name& prefix, shared_ptr<Face> face) |
| { |
| // Get L3Protocol object |
| Ptr<L3Protocol> L3protocol = node->GetObject<L3Protocol>(); |
| // Get the forwarder instance |
| shared_ptr<nfd::Forwarder> m_forwarder = L3protocol->getForwarder(); |
| |
| ControlParameters parameters; |
| parameters.setName(prefix); |
| parameters.setFaceId(face->getId()); |
| |
| RemoveNextHop(parameters, node); |
| } |
| |
| void |
| FibHelper::RemoveRoute(Ptr<Node> node, const Name& prefix, uint32_t faceId) |
| { |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceById(faceId); |
| NS_ASSERT_MSG(face != 0, "Face with ID [" << faceId << "] does not exist on node [" |
| << node->GetId() << "]"); |
| |
| RemoveRoute(node, prefix, face); |
| } |
| |
| void |
| FibHelper::RemoveRoute(const std::string& nodeName, const Name& prefix, uint32_t faceId) |
| { |
| Ptr<Node> node = Names::Find<Node>(nodeName); |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceById(faceId); |
| NS_ASSERT_MSG(face != 0, "Face with ID [" << faceId << "] does not exist on node [" |
| << node->GetId() << "]"); |
| |
| RemoveRoute(node, prefix, face); |
| } |
| |
| void |
| FibHelper::RemoveRoute(Ptr<Node> node, const Name& prefix, Ptr<Node> otherNode) |
| { |
| for (uint32_t deviceId = 0; deviceId < node->GetNDevices(); deviceId++) { |
| Ptr<PointToPointNetDevice> netDevice = |
| DynamicCast<PointToPointNetDevice>(node->GetDevice(deviceId)); |
| if (netDevice == 0) |
| continue; |
| |
| Ptr<Channel> channel = netDevice->GetChannel(); |
| if (channel == 0) |
| continue; |
| |
| if (channel->GetDevice(0)->GetNode() == otherNode |
| || channel->GetDevice(1)->GetNode() == otherNode) { |
| Ptr<L3Protocol> ndn = node->GetObject<L3Protocol>(); |
| NS_ASSERT_MSG(ndn != 0, "Ndn stack should be installed on the node"); |
| |
| shared_ptr<Face> face = ndn->getFaceByNetDevice(netDevice); |
| NS_ASSERT_MSG(face != 0, "There is no face associated with the p2p link"); |
| |
| RemoveRoute(node, prefix, face); |
| |
| return; |
| } |
| } |
| |
| NS_FATAL_ERROR("Cannot remove route: Node# " << node->GetId() << " and Node# " << otherNode->GetId() |
| << " are not connected"); |
| } |
| |
| void |
| FibHelper::RemoveRoute(const std::string& nodeName, const Name& prefix, |
| const std::string& otherNodeName) |
| { |
| Ptr<Node> node = Names::Find<Node>(nodeName); |
| Ptr<Node> otherNode = Names::Find<Node>(otherNodeName); |
| RemoveRoute(node, prefix, otherNode); |
| } |
| |
| } // namespace ndn |
| |
| } // namespace ns |