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 net.juniper.contrail.api.ApiConnector;
  import net.juniper.contrail.api.ObjectReference;
  import net.juniper.contrail.api.types.InstanceIp;
  import net.juniper.contrail.api.types.VirtualMachineInterface;
  import net.juniper.contrail.api.types.VirtualNetwork;
  
  
  import com.cloud.exception.InternalErrorException;
  
  public class InstanceIpModel extends ModelObjectBase {
  
      private String _name;
      private String _uuid;
  
      private String _ipAddress;
  
      private VMInterfaceModel _vmiModel;
  
      public InstanceIpModel(String vmName, int deviceId) {
          _name = vmName + '-' + deviceId;
      }
  
      public void addToVMInterface(VMInterfaceModel vmiModel) {
          _vmiModel = vmiModel;
          if (vmiModel != null) {
              vmiModel.addSuccessor(this);
              logger.debug("vmiModel has " + vmiModel.successors().size() + " IP addresses");
          }
      }
  
      @Override
      public int compareTo(ModelObject o) {
          InstanceIpModel other;
          try {
              other = (InstanceIpModel)o;
          } catch (ClassCastException ex) {
              String clsname = o.getClass().getName();
              return InstanceIpModel.class.getName().compareTo(clsname);
          }
          return _name.compareTo(other._name);
      }
  
      @Override
      public void delete(ModelController controller) throws IOException {
          ApiConnector api = controller.getApiAccessor();
          if (_uuid != null) {
              api.delete(InstanceIp.class, _uuid);
          }
          _uuid = null;
      }
  
      @Override
      public void destroy(ModelController controller) throws IOException {
      }
  
      public String getAddress() {
          return _ipAddress;
      }
  
      public String getName() {
          return _name;
      }
  
      public void setAddress(String ipaddress) {
          _ipAddress = ipaddress;
      }
  
      @Override
      public void update(ModelController controller) throws InternalErrorException, IOException {
          assert _vmiModel != null;
  
          ApiConnector api = controller.getApiAccessor();
          VirtualNetworkModel vnModel = _vmiModel.getVirtualNetworkModel();
          assert vnModel != null;
  
          VirtualMachineInterface vmi = _vmiModel.getVMInterface();
          VirtualNetwork vnet = vnModel.getVirtualNetwork();
          if (vnet == null) {
              vnet = (VirtualNetwork)api.findById(VirtualNetwork.class, _vmiModel.getNetworkUuid());
          }
  
          String ipid = api.findByName(InstanceIp.class, null, _name);
          if (ipid == null) {
              InstanceIp ip_obj = new InstanceIp();
              ip_obj.setName(_name);
              ip_obj.setVirtualNetwork(vnet);
              if (_ipAddress != null) {
                  ip_obj.setAddress(_ipAddress);
              }
              ip_obj.setVirtualMachineInterface(vmi);
              if (!api.create(ip_obj)) {
                  throw new InternalErrorException("Unable to create instance-ip " + _name);
              }
              api.read(ip_obj);
              _uuid = ip_obj.getUuid();
              if (_ipAddress == null) {
                  if (!api.read(ip_obj)) {
                      throw new InternalErrorException("Unable to read instance-ip " + _name);
                  }
              }
              _ipAddress = ip_obj.getAddress();
          } else {
              // Ensure that the instance-ip has the correct value and is pointing at the VMI.
              InstanceIp ip_obj = (InstanceIp)api.findById(InstanceIp.class, ipid);
              if (ip_obj == null) {
                  throw new InternalErrorException("Unable to read instance-ip " + _name);
              }
              boolean update = false;
              String ipnet_id = ObjectReference.getReferenceListUuid(ip_obj.getVirtualNetwork());
              if (ipnet_id == null || !ipnet_id.equals(_vmiModel.getNetworkUuid())) {
                  ip_obj.setVirtualNetwork(vnet);
                  update = true;
              }
  
              if (_ipAddress != null && !ip_obj.getAddress().equals(_ipAddress)) {
                  ip_obj.setAddress(_ipAddress);
                  update = true;
              }
  
              String vmi_id = ObjectReference.getReferenceListUuid(ip_obj.getVirtualMachineInterface());
              if (vmi_id == null || !vmi_id.equals(_vmiModel.getUuid())) {
                  if (vmi != null) {
                      ip_obj.setVirtualMachineInterface(vmi);
                      update = true;
                  }
              }
  
              if (update && !api.update(ip_obj)) {
                  throw new InternalErrorException("Unable to update instance-ip: " + ip_obj.getName());
              }
              api.read(ip_obj);
              _uuid = ip_obj.getUuid();
              _ipAddress = ip_obj.getAddress();
          }
      }
  
      @Override
      public boolean verify(ModelController controller) {
          // TODO Auto-generated method stub
          return false;
      }
  
      @Override
      public boolean compare(ModelController controller, ModelObject current) {
          // TODO Auto-generated method stub
          return false;
      }
  
  }
  