| // |
| // 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 java.util.HashMap; |
| import java.util.List; |
| |
| import org.apache.log4j.Logger; |
| import org.libvirt.Connect; |
| import org.libvirt.LibvirtException; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.GetVmNetworkStatsAnswer; |
| import com.cloud.agent.api.GetVmNetworkStatsCommand; |
| import com.cloud.agent.api.VmNetworkStatsEntry; |
| import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| |
| @ResourceWrapper(handles = GetVmNetworkStatsCommand.class) |
| public final class LibvirtGetVmNetworkStatsCommandWrapper extends CommandWrapper<GetVmNetworkStatsCommand, Answer, LibvirtComputingResource> { |
| |
| private static final Logger s_logger = Logger.getLogger(LibvirtGetVmNetworkStatsCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final GetVmNetworkStatsCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| final List<String> vmNames = command.getVmNames(); |
| final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper(); |
| |
| try { |
| final HashMap<String, List<VmNetworkStatsEntry>> vmNetworkStatsNameMap = new HashMap<String, List<VmNetworkStatsEntry>>(); |
| final Connect conn = libvirtUtilitiesHelper.getConnection(); |
| for (final String vmName : vmNames) { |
| try { |
| final List<VmNetworkStatsEntry> statEntry = libvirtComputingResource.getVmNetworkStat(conn, vmName); |
| if (statEntry == null) { |
| continue; |
| } |
| |
| vmNetworkStatsNameMap.put(vmName, statEntry); |
| } catch (LibvirtException e) { |
| s_logger.warn("Can't get vm network stats: " + e.toString() + ", continue"); |
| } |
| } |
| return new GetVmNetworkStatsAnswer(command, "", command.getHostName(), vmNetworkStatsNameMap); |
| } catch (final LibvirtException e) { |
| s_logger.debug("Can't get vm network stats: " + e.toString()); |
| return new GetVmNetworkStatsAnswer(command, null, null, null); |
| } |
| } |
| } |