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.wrapper;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.GetHostStatsAnswer;
  import com.cloud.agent.api.GetHostStatsCommand;
  import com.cloud.agent.api.HostStatsEntry;
  import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.cloud.utils.Pair;
  import org.apache.cloudstack.utils.linux.CPUStat;
  import org.apache.cloudstack.utils.linux.MemStat;
  
  @ResourceWrapper(handles =  GetHostStatsCommand.class)
  public final class LibvirtGetHostStatsCommandWrapper extends CommandWrapper<GetHostStatsCommand, Answer, LibvirtComputingResource> {
  
  
      @Override
      public Answer execute(final GetHostStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
          CPUStat cpuStat = libvirtComputingResource.getCPUStat();
          MemStat memStat = libvirtComputingResource.getMemStat();
  
          final double cpuUtil = cpuStat.getCpuUsedPercent();
          final double loadAvg = cpuStat.getCpuLoadAverage();
  
          final Pair<Double, Double> nicStats = libvirtComputingResource.getNicStats(libvirtComputingResource.getPublicBridgeName());
  
          final HostStatsEntry hostStats = new HostStatsEntry(command.getHostId(), cpuUtil, nicStats.first() / 1024, nicStats.second() / 1024, "host", memStat.getTotal() / 1024, memStat.getAvailable() / 1024, 0, loadAvg);
          return new GetHostStatsAnswer(command, hostStats);
      }
  }
  