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.xenserver.resource.wrapper.xen610;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.MigrateWithStorageReceiveAnswer;
  import com.cloud.agent.api.MigrateWithStorageReceiveCommand;
  import com.cloud.agent.api.to.NicTO;
  import com.cloud.agent.api.to.VirtualMachineTO;
  import com.cloud.agent.api.to.VolumeTO;
  import com.cloud.hypervisor.xenserver.resource.XenServer610Resource;
  import com.cloud.hypervisor.xenserver.resource.XsHost;
  import com.cloud.hypervisor.xenserver.resource.XsLocalNetwork;
  import com.cloud.network.Networks.TrafficType;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.cloud.utils.Pair;
  import com.cloud.utils.exception.CloudRuntimeException;
  import com.xensource.xenapi.Connection;
  import com.xensource.xenapi.Host;
  import com.xensource.xenapi.Network;
  import com.xensource.xenapi.SR;
  
  @ResourceWrapper(handles =  MigrateWithStorageReceiveCommand.class)
  public final class XenServer610MigrateWithStorageReceiveCommandWrapper extends CommandWrapper<MigrateWithStorageReceiveCommand, Answer, XenServer610Resource> {
  
  
      @Override
      public Answer execute(final MigrateWithStorageReceiveCommand command, final XenServer610Resource xenServer610Resource) {
          final Connection connection = xenServer610Resource.getConnection();
          final VirtualMachineTO vmSpec = command.getVirtualMachine();
          final List<Pair<VolumeTO, String>> volumeToStorageUuid = command.getVolumeToStorageUuid();
  
          try {
              // In a cluster management server setup, the migrate with storage receive and send
              // commands and answers may have to be forwarded to another management server. This
              // happens when the host/resource on which the command has to be executed is owned
              // by the second management server. The serialization/deserialization of the command
              // and answers fails as the xapi SR and Network class type isn't understand by the
              // agent attache. Seriliaze the SR and Network objects here to a string and pass in
              // the answer object. It'll be deserialzed and object created in migrate with
              // storage send command execution.
              // Get a map of all the SRs to which the vdis will be migrated.
              final List<Pair<VolumeTO, Object>> volumeToSr = new ArrayList<>();
  
              for (final Pair<VolumeTO, String> entry : volumeToStorageUuid) {
                  final String storageUuid = entry.second();
                  final SR sr = xenServer610Resource.getStorageRepository(connection, storageUuid);
  
                  volumeToSr.add(new Pair<VolumeTO, Object>(entry.first(), sr));
              }
              // Get the list of networks to which the vifs will attach.
              final List<Pair<NicTO, Object>> nicToNetwork = new ArrayList<Pair<NicTO, Object>>();
              for (final NicTO nicTo : vmSpec.getNics()) {
                  final Network network = xenServer610Resource.getNetwork(connection, nicTo);
                  nicToNetwork.add(new Pair<NicTO, Object>(nicTo, network));
              }
  
              final XsLocalNetwork nativeNetworkForTraffic = xenServer610Resource.getNativeNetworkForTraffic(connection, TrafficType.Storage, null);
              final Network network = nativeNetworkForTraffic.getNetwork();
              final XsHost xsHost = xenServer610Resource.getHost();
              final String uuid = xsHost.getUuid();
  
              final Map<String, String> other = new HashMap<String, String>();
              other.put("live", "true");
  
              final Host host = Host.getByUuid(connection, uuid);
              final Map<String, String> token = host.migrateReceive(connection, network, other);
  
              return new MigrateWithStorageReceiveAnswer(command, volumeToSr, nicToNetwork, token);
          } catch (final CloudRuntimeException e) {
              logger.error("Migration of vm " + vmSpec.getName() + " with storage failed due to " + e.toString(), e);
              return new MigrateWithStorageReceiveAnswer(command, e);
          } catch (final Exception e) {
              logger.error("Migration of vm " + vmSpec.getName() + " with storage failed due to " + e.toString(), e);
              return new MigrateWithStorageReceiveAnswer(command, e);
          }
      }
  }
  