void
RibManager::unregisterEntry(const shared_ptr<const Interest>& request,
ControlParameters& params)
{
ndn::nfd::RibUnregisterCommand command;
// Passing all parameters gives error in validation,
// so passing only the required arguments.
ControlParameters parameters;
parameters.setName(params.getName());
if (params.hasFaceId()) {
parameters.setFaceId(params.getFaceId());
}
if (params.hasOrigin()) {
parameters.setOrigin(params.getOrigin());
}
if (!validateParameters(command, parameters)) {
NFD_LOG_DEBUG("unregister result: FAIL reason: malformed");
if (static_cast<bool>(request)) {
sendResponse(request->getName(), 400, "Malformed command");
}
return;
}
bool isSelfRegistration = (!parameters.hasFaceId() || parameters.getFaceId() == 0);
if (isSelfRegistration) {
shared_ptr<lp::IncomingFaceIdTag> incomingFaceIdTag = request->getTag<lp::IncomingFaceIdTag>();
if (incomingFaceIdTag == nullptr) {
sendResponse(request->getName(), 503,
"requested self-registration, but IncomingFaceId is unavailable");
return;
}
parameters.setFaceId(*incomingFaceIdTag);
}
// Respond since command is valid and authorized
sendSuccessResponse(request, parameters);
Route route;
route.faceId = parameters.getFaceId();
route.origin = parameters.getOrigin();
NFD_LOG_INFO("Removing route " << parameters.getName() << " nexthop=" << route.faceId
<< " origin=" << route.origin);
RibUpdate update;
update.setAction(RibUpdate::UNREGISTER)
.setName(parameters.getName())
.setRoute(route);
m_managedRib.beginApplyUpdate(update,
bind(&RibManager::onRibUpdateSuccess, this, update),
bind(&RibManager::onRibUpdateFailure, this, update, _1, _2));
}
void
Rib::onRouteExpiration(const Name& prefix, const Route& route)
{
NFD_LOG_DEBUG(route << " for " << prefix << " has expired");
RibUpdate update;
update.setAction(RibUpdate::UNREGISTER)
.setName(prefix)
.setRoute(route);
beginApplyUpdate(update, nullptr, nullptr);
}
void
Rib::beginRemoveFace(uint64_t faceId)
{
for (const auto& nameAndRoute : findRoutesWithFaceId(faceId)) {
RibUpdate update;
update.setAction(RibUpdate::REMOVE_FACE)
.setName(nameAndRoute.first)
.setRoute(nameAndRoute.second);
addUpdateToQueue(update, nullptr, nullptr);
}
sendBatchFromQueue();
}
void
Rib::addUpdateToQueue(const RibUpdate& update,
const Rib::UpdateSuccessCallback& onSuccess,
const Rib::UpdateFailureCallback& onFailure)
{
RibUpdateBatch batch(update.getRoute().faceId);
batch.add(update);
UpdateQueueItem item{batch, onSuccess, onFailure};
m_updateBatches.push_back(std::move(item));
}
void
RibManager::registerEntry(const shared_ptr<const Interest>& request,
ControlParameters& parameters)
{
ndn::nfd::RibRegisterCommand command;
if (!validateParameters(command, parameters)) {
NFD_LOG_DEBUG("register result: FAIL reason: malformed");
if (static_cast<bool>(request)) {
sendResponse(request->getName(), 400, "Malformed command");
}
return;
}
bool isSelfRegistration = (!parameters.hasFaceId() || parameters.getFaceId() == 0);
if (isSelfRegistration) {
shared_ptr<lp::IncomingFaceIdTag> incomingFaceIdTag = request->getTag<lp::IncomingFaceIdTag>();
if (incomingFaceIdTag == nullptr) {
sendResponse(request->getName(), 503,
"requested self-registration, but IncomingFaceId is unavailable");
return;
}
parameters.setFaceId(*incomingFaceIdTag);
}
// Respond since command is valid and authorized
sendSuccessResponse(request, parameters);
Route route;
route.faceId = parameters.getFaceId();
route.origin = parameters.getOrigin();
route.cost = parameters.getCost();
route.flags = parameters.getFlags();
if (parameters.hasExpirationPeriod() &&
parameters.getExpirationPeriod() != time::milliseconds::max())
{
route.expires = time::steady_clock::now() + parameters.getExpirationPeriod();
// Schedule a new event, the old one will be cancelled during rib insertion.
scheduler::EventId eventId = scheduler::schedule(parameters.getExpirationPeriod(),
bind(&Rib::onRouteExpiration, &m_managedRib, parameters.getName(), route));
NFD_LOG_TRACE("Scheduled unregistration at: " << route.expires <<
" with EventId: " << eventId);
// Set the NewEventId of this entry
route.setExpirationEvent(eventId);
}
else {
route.expires = time::steady_clock::TimePoint::max();
}
NFD_LOG_INFO("Adding route " << parameters.getName() << " nexthop=" << route.faceId
<< " origin=" << route.origin
<< " cost=" << route.cost);
RibUpdate update;
update.setAction(RibUpdate::REGISTER)
.setName(parameters.getName())
.setRoute(route);
m_managedRib.beginApplyUpdate(update,
bind(&RibManager::onRibUpdateSuccess, this, update),
bind(&RibManager::onRibUpdateFailure, this, update, _1, _2));
m_registeredFaces.insert(route.faceId);
}