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 com.cloud.hypervisor.kvm.resource;
  
  import org.apache.commons.compress.utils.Sets;
  import org.libvirt.LibvirtException;
  
  import com.cloud.agent.api.to.NicTO;
  import com.cloud.exception.InternalErrorException;
  import com.cloud.network.Networks;
  
  import java.util.Map;
  
  public class DirectVifDriver extends VifDriverBase {
  
      /**
       * Experimental driver to configure direct networking in libvirt. This should only
       * be used on an LXC cluster that does not run any system VMs.
       *
       * @param nic
       * @param guestOsType
       * @param extraConfig
       * @return
       * @throws InternalErrorException
       * @throws LibvirtException
       */
  
      @Override
      public LibvirtVMDef.InterfaceDef plug(NicTO nic, String guestOsType, String nicAdapter, Map<String, String> extraConfig) throws InternalErrorException, LibvirtException {
          LibvirtVMDef.InterfaceDef intf = new LibvirtVMDef.InterfaceDef();
  
          if (Sets.newHashSet(Networks.TrafficType.Guest,
                              Networks.TrafficType.Public).contains(nic.getType())) {
              Integer networkRateKBps = getNetworkRateKbps(nic);
              intf.defDirectNet(_libvirtComputingResource.getNetworkDirectDevice(), null, nic.getMac(), getGuestNicModel(guestOsType, nicAdapter),
                  _libvirtComputingResource.getNetworkDirectSourceMode(), networkRateKBps);
          }
  
          return intf;
      }
  
      @Override
      public void unplug(LibvirtVMDef.InterfaceDef iface, boolean deleteBr) {
          // not needed, libvirt will cleanup
      }
  
      @Override
      public void attach(LibvirtVMDef.InterfaceDef iface) {
  
      }
  
      @Override
      public void detach(LibvirtVMDef.InterfaceDef iface) {
  
      }
  
      @Override
      public void createControlNetwork(String privBrName) {
      }
  
      @Override
      public void deleteBr(NicTO nic) {
      }
  }
  