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.xen56;
  
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.routing.GetAutoScaleMetricsAnswer;
  import com.cloud.agent.api.routing.GetAutoScaleMetricsCommand;
  import com.cloud.hypervisor.xenserver.resource.XenServer56Resource;
  import com.cloud.network.router.VirtualRouterAutoScale;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.xensource.xenapi.Connection;
  
  import java.util.ArrayList;
  import java.util.List;
  
  @ResourceWrapper(handles = GetAutoScaleMetricsCommand.class)
  public final class XenServer56GetAutoScaleMetricsCommandWrapper extends CommandWrapper<GetAutoScaleMetricsCommand, Answer, XenServer56Resource> {
  
  
      @Override
      public Answer execute(final GetAutoScaleMetricsCommand command, final XenServer56Resource xenServer56) {
          final Connection conn = xenServer56.getConnection();
          try {
              Long bytesSent;
              Long bytesReceived;
              if (command.isForVpc()) {
                  final long[] stats = xenServer56.getVPCNetworkStats(command.getPrivateIP(), command.getPublicIP());
                  bytesSent = stats[0];
                  bytesReceived = stats[1];
              } else {
                  final long[] stats = xenServer56.getNetworkStats(conn, command.getPrivateIP(), command.getPublicIP());
                  bytesSent = stats[0];
                  bytesReceived = stats[1];
              }
  
              final long [] lbStats = xenServer56.getNetworkLbStats(command.getPrivateIP(), command.getPublicIP(), command.getPort());
              final long lbConnections = lbStats[0];
  
              List<VirtualRouterAutoScale.AutoScaleMetricsValue> values = new ArrayList<>();
  
              for (VirtualRouterAutoScale.AutoScaleMetrics metrics : command.getMetrics()) {
                  switch (metrics.getCounter()) {
                      case NETWORK_RECEIVED_AVERAGE_MBPS:
                          values.add(new VirtualRouterAutoScale.AutoScaleMetricsValue(metrics, VirtualRouterAutoScale.AutoScaleValueType.AGGREGATED_VM_GROUP,
                                  Double.valueOf(bytesReceived) / VirtualRouterAutoScale.MBITS_TO_BYTES));
                          break;
                      case NETWORK_TRANSMIT_AVERAGE_MBPS:
                          values.add(new VirtualRouterAutoScale.AutoScaleMetricsValue(metrics, VirtualRouterAutoScale.AutoScaleValueType.AGGREGATED_VM_GROUP,
                                  Double.valueOf(bytesSent) / VirtualRouterAutoScale.MBITS_TO_BYTES));
                          break;
                      case LB_AVERAGE_CONNECTIONS:
                          values.add(new VirtualRouterAutoScale.AutoScaleMetricsValue(metrics, VirtualRouterAutoScale.AutoScaleValueType.INSTANT_VM, Double.valueOf(lbConnections)));
                          break;
                  }
              }
  
              return new GetAutoScaleMetricsAnswer(command, true, values);
          } catch (final Exception ex) {
              logger.warn("Failed to get autoscale metrics due to ", ex);
              return new GetAutoScaleMetricsAnswer(command, false);
          }
      }
  
  }
  