ethernet-factory.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "ethernet-factory.hpp"
#include "ethernet-transport.hpp"
#include "generic-link-service.hpp"

namespace nfd {

shared_ptr<Face>
EthernetFactory::createMulticastFace(const NetworkInterfaceInfo& interface,
                                     const ethernet::Address& address)
{
  if (!address.isMulticast())
    BOOST_THROW_EXCEPTION(Error(address.toString() + " is not a multicast address"));

  auto face = findMulticastFace(interface.name, address);
  if (face)
    return face;

  face::GenericLinkService::Options opts;
  opts.allowFragmentation = true;
  opts.allowReassembly = true;

  auto linkService = make_unique<face::GenericLinkService>(opts);
  auto transport = make_unique<face::EthernetTransport>(interface, address);
  face = make_shared<Face>(std::move(linkService), std::move(transport));

  auto key = std::make_pair(interface.name, address);
  m_multicastFaces[key] = face;
  connectFaceClosedSignal(*face, [this, key] { m_multicastFaces.erase(key); });

  return face;
}

void
EthernetFactory::createFace(const FaceUri& uri,
                            ndn::nfd::FacePersistency persistency,
                            const FaceCreatedCallback& onCreated,
                            const FaceCreationFailedCallback& onConnectFailed)
{
  BOOST_THROW_EXCEPTION(Error("EthernetFactory does not support 'createFace' operation"));
}

std::vector<shared_ptr<const Channel>>
EthernetFactory::getChannels() const
{
  return {};
}

shared_ptr<Face>
EthernetFactory::findMulticastFace(const std::string& interfaceName,
                                   const ethernet::Address& address) const
{
  auto i = m_multicastFaces.find({interfaceName, address});
  if (i != m_multicastFaces.end())
    return i->second;
  else
    return nullptr;
}

} // namespace nfd