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.server;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.host.DetailVO;
  import com.cloud.host.Host;
  import com.cloud.host.HostVO;
  import com.cloud.storage.GuestOSHypervisorVO;
  import com.cloud.storage.GuestOSVO;
  import com.cloud.utils.Pair;
  import com.cloud.utils.component.PluggableService;
  import com.cloud.vm.VMInstanceVO;
  import com.cloud.vm.VirtualMachine;
  
  /**
   */
  public interface ManagementServer extends ManagementService, PluggableService {
  
      /**
       * returns the instance id of this management server.
       *
       * @return id of the management server
       */
      long getId();
  
      /**
       * Fetches the version of cloud stack
      */
      @Override
      String getVersion();
  
      /**
       * Retrieves a host by id
       *
       * @param hostId
       * @return Host
       */
      HostVO getHostBy(long hostId);
  
      DetailVO findDetail(long hostId, String name);
  
      Pair<Boolean, String> setConsoleAccessForVm(long vmId, String sessionUuid);
  
      String getConsoleAccessUrlRoot(long vmId);
  
      String getConsoleAccessAddress(long vmId);
  
      GuestOSVO getGuestOs(Long guestOsId);
  
      GuestOSHypervisorVO getGuestOsHypervisor(Long guestOsHypervisorId);
  
      /**
       * Returns the vnc port of the vm.
       *
       * @param VirtualMachine vm
       * @return the vnc port if found; -1 if unable to find.
       */
      Pair<String, Integer> getVncPort(VirtualMachine vm);
  
      public long getMemoryOrCpuCapacityByHost(Long hostId, short capacityType);
  
      Pair<Boolean, String> updateSystemVM(VMInstanceVO systemVM, boolean forced);
  
      Answer getExternalVmConsole(VirtualMachine vm, Host host);
  
  }
  