readvertise.cpp

...
if (route != m_routes.end()) {
    NFD_LOG_DEBUG("Attempting to withdraw a route with FaceId: " << routeRef.route->faceId
                 << " and origin " << routeRef.route->origin);

    // Because they are const in the container, and we can't have a meaningful copy constructor
    // because of ScopedEventId, I'm not entirely sure what to do here. Should I pop from the
    // container using move semantics?
    ReadvertisedRoute* tempRoute = const_cast<ReadvertisedRoute*>(&(*route));
    tempRoute->removeRoute(routeRef);
    m_routes.replace(route, *tempRoute);
    if (tempRoute->getRibRoutes().empty()) {
      // Since this call here asks for a ReadvertisedRoute&, but the container only gives us
      // const ReadvertisedRoutes&, I don't know how to approach this.
      m_destination->withdraw(*route,
                              [this] {
                                this->onRouteWithdrawSuccess();
                              },
                              [&, this] (const std::string& msg) {
                                this->onRouteWithdrawFailure(msg, *route,
                                                             READVERTISE_DEFAULT_RETRY_BASE_WAIT,
                                                             READVERTISE_DEFAULT_RETRY_MAX_WAIT);
                              });
      NFD_LOG_DEBUG("Deleting route: " << route->getPrefix() << " from a readvertise instance.");
      m_routes.erase(route);
    }
...

readvertised-route.hpp

class ReadvertisedRoute {
...
  public:
    const Name m_prefix; 
    // This is necessary because I could not find a way to make the container
    // a friend, and couldn't understand why const_mem_fun for getPrefix wasn't working.
    // This was the closest solution that preserves the semantics
}

// Using a unique (ordered is unimportant) index as a member pretty closely mimics the map<Name, ReadvertisedRoute>
// we were using from before.
typedef boost::multi_index_container<
  ReadvertisedRoute,
  boost::multi_index::indexed_by<
    boost::multi_index::ordered_unique<boost::multi_index::member<ReadvertisedRoute, const ndn::Name,
      &ReadvertisedRoute::m_prefix>>
  >
> route_container;