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.NetworkUsageAnswer;
  import com.cloud.agent.api.NetworkUsageCommand;
  import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  
  @ResourceWrapper(handles =  NetworkUsageCommand.class)
  public final class LibvirtNetworkUsageCommandWrapper extends CommandWrapper<NetworkUsageCommand, Answer, LibvirtComputingResource> {
  
      @Override
      public Answer execute(final NetworkUsageCommand command, final LibvirtComputingResource libvirtComputingResource) {
          if (command.isForVpc()) {
              if (command.getOption() != null && command.getOption().equals("create")) {
                  final String result = libvirtComputingResource.configureVPCNetworkUsage(command.getPrivateIP(), command.getGatewayIP(), "create", command.getVpcCIDR());
                  final NetworkUsageAnswer answer = new NetworkUsageAnswer(command, result, 0L, 0L);
                  return answer;
              } else if (command.getOption() != null && (command.getOption().equals("get") || command.getOption().equals("vpn"))) {
                  final long[] stats = libvirtComputingResource.getVPCNetworkStats(command.getPrivateIP(), command.getGatewayIP(), command.getOption());
                  final NetworkUsageAnswer answer = new NetworkUsageAnswer(command, "", stats[0], stats[1]);
                  return answer;
              } else {
                  final String result = libvirtComputingResource.configureVPCNetworkUsage(command.getPrivateIP(), command.getGatewayIP(), command.getOption(), command.getVpcCIDR());
                  final NetworkUsageAnswer answer = new NetworkUsageAnswer(command, result, 0L, 0L);
                  return answer;
              }
          } else {
              if (command.getOption() != null && command.getOption().equals("create")) {
                  final String result = libvirtComputingResource.networkUsage(command.getPrivateIP(), "create", null);
                  final NetworkUsageAnswer answer = new NetworkUsageAnswer(command, result, 0L, 0L);
                  return answer;
              }
              final long [] stats = libvirtComputingResource.getNetworkStats(command.getPrivateIP());
              final NetworkUsageAnswer answer = new NetworkUsageAnswer(command, "", stats[0], stats[1]);
              return answer;
          }
      }
  }
  