content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.apache.cloudstack.network.contrail.model;
  
  import java.io.IOException;
  import java.util.TreeSet;
  
  import net.juniper.contrail.api.ApiConnector;
  import net.juniper.contrail.api.types.FloatingIpPool;
  
  
  import org.apache.cloudstack.network.contrail.management.ContrailManager;
  
  import com.cloud.exception.InternalErrorException;
  import com.cloud.utils.exception.CloudRuntimeException;
  
  public class FloatingIpPoolModel extends ModelObjectBase {
  
      private String _name;
  
      /*
       * cached API server objects
       */
      private FloatingIpPool _fipPool;
      private VirtualNetworkModel _vnModel;
  
      public FloatingIpPoolModel() {
  
      }
  
      public void addToVirtualNetwork(VirtualNetworkModel vnModel) {
          _vnModel = vnModel;
          if (vnModel != null) {
              vnModel.addSuccessor(this);
          }
      }
  
      public FloatingIpModel getFloatingIpModel(String uuid) {
          TreeSet<ModelObject> tree = successors();
          FloatingIpModel fipKey = new FloatingIpModel(uuid);
          FloatingIpModel current = (FloatingIpModel)tree.ceiling(fipKey);
          if (current != null && current.getUuid().equals(uuid)) {
              return current;
          }
          return null;
      }
  
      /*
       * Resynchronize internal state from the cloudstack DB object.
       */
      public void build(ModelController controller) {
          setProperties(controller);
      }
  
      @Override
      public int compareTo(ModelObject o) {
          /* there can be only one instance */
          return 0;
      }
  
      @Override
      public void delete(ModelController controller) throws IOException {
          ApiConnector api = controller.getApiAccessor();
          for (ModelObject successor : successors()) {
              successor.delete(controller);
          }
          try {
              if (_fipPool != null) {
                  api.delete(_fipPool);
              }
              _fipPool = null;
          } catch (IOException ex) {
              logger.warn("floating ip pool delete", ex);
          }
      }
  
      @Override
      public void destroy(ModelController controller) throws IOException {
          delete(controller);
          for (ModelObject successor : successors()) {
              successor.destroy(controller);
          }
          clearSuccessors();
      }
  
      public String getName() {
          return _name;
      }
  
      public FloatingIpPool getFloatingIpPool() {
          return _fipPool;
      }
  
      /**
       * Initialize the object properties based on the DB object.
       * Common code between plugin calls and DBSync.
       */
      public void setProperties(ModelController controller) {
          _name = "PublicIpPool";
          assert _vnModel != null : "vn nodel is not initialized";
      }
  
      @Override
      public void update(ModelController controller) throws InternalErrorException, IOException {
  
          assert _vnModel != null : "vn model is not set";
  
          ApiConnector api = controller.getApiAccessor();
          ContrailManager manager = controller.getManager();
          FloatingIpPool fipPool = _fipPool;
  
          if (fipPool == null) {
              String fipPoolName = manager.getDefaultPublicNetworkFQN() + ":PublicIpPool";
              _fipPool = fipPool = (FloatingIpPool)controller.getApiAccessor().findByFQN(FloatingIpPool.class, fipPoolName);
              if (fipPool == null) {
                  fipPool = new FloatingIpPool();
                  fipPool.setName(_name);
                  fipPool.setParent(_vnModel.getVirtualNetwork());
              }
          }
  
          if (_fipPool == null) {
              try {
                  api.create(fipPool);
              } catch (Exception ex) {
                  logger.debug("floating ip pool create", ex);
                  throw new CloudRuntimeException("Failed to create floating ip pool", ex);
              }
              _fipPool = fipPool;
          } else {
              try {
                  api.update(fipPool);
              } catch (IOException ex) {
                  logger.warn("floating ip pool update", ex);
                  throw new CloudRuntimeException("Unable to update floating ip ppol object", ex);
              }
          }
  
          for (ModelObject successor : successors()) {
              successor.update(controller);
          }
      }
  
      @Override
      public boolean verify(ModelController controller) {
          assert _vnModel != null : "vn model is not set";
          return false;
      }
  
      @Override
      public boolean compare(ModelController controller, ModelObject o) {
          return true;
      }
  }
  