void
FaceManager::createFace(const Interest& request,
                        ControlParameters& parameters)
{
  const Name& requestName = request.getName();
  ndn::nfd::FaceCreateCommand command;

  if (!validateParameters(command, parameters))
    {
      sendResponse(requestName, 400, "Malformed command");
      NFD_LOG_TRACE("invalid control parameters URI");
      return;
    }

  FaceUri uri;
  if (!uri.parse(parameters.getUri()))
    {
      sendResponse(requestName, 400, "Malformed command");
      NFD_LOG_TRACE("failed to parse URI");
      return;
    }

  if (!uri.isCanonical())
    {
      sendResponse(requestName, 400, "Non-canonical URI");
      NFD_LOG_TRACE("received non-canonical URI");
      return;
    }

  FactoryMap::iterator factory = m_factories.find(uri.getScheme());
  if (factory == m_factories.end())
    {
      sendResponse(requestName, 501, "Unsupported protocol");
      return;
    }

  try
    {
      factory->second->createFace(uri,
                                  bind(&FaceManager::onCreated,
                                       this, requestName, parameters, _1),
                                  bind(&FaceManager::onConnectFailed,
                                       this, requestName, _1));
    }
  catch (const std::runtime_error& error)
    {
      std::string errorMessage = "NFD error: ";
      errorMessage += error.what();

      NFD_LOG_ERROR(errorMessage);
      sendResponse(requestName, 500, errorMessage);
    }
  catch (const std::logic_error& error)
    {
      std::string errorMessage = "NFD error: ";
      errorMessage += error.what();

      NFD_LOG_ERROR(errorMessage);
      sendResponse(requestName, 500, errorMessage);
    }
}
示例#2
0
void
FaceManager::createFace(const ControlParameters& parameters,
                        const ndn::mgmt::CommandContinuation& done)
{
  FaceUri remoteUri;
  if (!remoteUri.parse(parameters.getUri())) {
    NFD_LOG_TRACE("failed to parse remote URI: " << parameters.getUri());
    done(ControlResponse(400, "Malformed command"));
    return;
  }

  if (!remoteUri.isCanonical()) {
    NFD_LOG_TRACE("received non-canonical remote URI: " << remoteUri.toString());
    done(ControlResponse(400, "Non-canonical remote URI"));
    return;
  }

  optional<FaceUri> localUri;
  if (parameters.hasLocalUri()) {
    localUri = FaceUri{};

    if (!localUri->parse(parameters.getLocalUri())) {
      NFD_LOG_TRACE("failed to parse local URI: " << parameters.getLocalUri());
      done(ControlResponse(400, "Malformed command"));
      return;
    }

    if (!localUri->isCanonical()) {
      NFD_LOG_TRACE("received non-canonical local URI: " << localUri->toString());
      done(ControlResponse(400, "Non-canonical local URI"));
      return;
    }
  }

  face::ProtocolFactory* factory = m_faceSystem.getFactoryByScheme(remoteUri.getScheme());
  if (factory == nullptr) {
    NFD_LOG_TRACE("received create request for unsupported protocol: " << remoteUri.getScheme());
    done(ControlResponse(406, "Unsupported protocol"));
    return;
  }

  face::FaceParams faceParams;
  faceParams.persistency = parameters.getFacePersistency();
  if (parameters.hasBaseCongestionMarkingInterval()) {
    faceParams.baseCongestionMarkingInterval = parameters.getBaseCongestionMarkingInterval();
  }
  if (parameters.hasDefaultCongestionThreshold()) {
    faceParams.defaultCongestionThreshold = parameters.getDefaultCongestionThreshold();
  }
  if (parameters.hasMtu()) {
    faceParams.mtu = parameters.getMtu();
  }
  faceParams.wantLocalFields = parameters.hasFlagBit(ndn::nfd::BIT_LOCAL_FIELDS_ENABLED) &&
                               parameters.getFlagBit(ndn::nfd::BIT_LOCAL_FIELDS_ENABLED);
  faceParams.wantLpReliability = parameters.hasFlagBit(ndn::nfd::BIT_LP_RELIABILITY_ENABLED) &&
                                 parameters.getFlagBit(ndn::nfd::BIT_LP_RELIABILITY_ENABLED);
  if (parameters.hasFlagBit(ndn::nfd::BIT_CONGESTION_MARKING_ENABLED)) {
    faceParams.wantCongestionMarking = parameters.getFlagBit(ndn::nfd::BIT_CONGESTION_MARKING_ENABLED);
  }
  try {
    factory->createFace({remoteUri, localUri, faceParams},
                        [this, parameters, done] (const auto& face) {
                          this->afterCreateFaceSuccess(face, parameters, done);
                        },
                        [done] (uint32_t status, const std::string& reason) {
                          NFD_LOG_DEBUG("Face creation failed: " << reason);
                          done(ControlResponse(status, reason));
                        });
  }
  catch (const std::runtime_error& error) {
    NFD_LOG_ERROR("Face creation failed: " << error.what());
    done(ControlResponse(500, "Face creation failed due to internal error"));
    return;
  }
  catch (const std::logic_error& error) {
    NFD_LOG_ERROR("Face creation failed: " << error.what());
    done(ControlResponse(500, "Face creation failed due to internal error"));
    return;
  }
}