//
// Licensed to the Apache Software Foundation (ASF) under one
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// 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.GetStorageStatsAnswer;
import com.cloud.agent.api.GetStorageStatsCommand;
import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
import com.cloud.hypervisor.kvm.storage.KVMStoragePool;
import com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager;
import com.cloud.resource.CommandWrapper;
import com.cloud.resource.ResourceWrapper;
import com.cloud.utils.exception.CloudRuntimeException;
@ResourceWrapper(handles = GetStorageStatsCommand.class)
public final class LibvirtGetStorageStatsCommandWrapper extends CommandWrapper<GetStorageStatsCommand, Answer, LibvirtComputingResource> {
@Override
public Answer execute(final GetStorageStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
try {
final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr();
final KVMStoragePool sp = storagePoolMgr.getStoragePool(command.getPooltype(), command.getStorageId(), true);
return new GetStorageStatsAnswer(command, sp.getCapacity(), sp.getUsed());
} catch (final CloudRuntimeException e) {
return new GetStorageStatsAnswer(command, e.toString());
}
}
}