| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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 org.jclouds.elasticstack.functions; |
| |
| import java.util.Map; |
| |
| import javax.inject.Singleton; |
| |
| import org.jclouds.elasticstack.domain.DriveMetrics; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableMap.Builder; |
| |
| /** |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class MapToDriveMetrics implements Function<Map<String, String>, Map<String, ? extends DriveMetrics>> { |
| |
| public Map<String, ? extends DriveMetrics> apply(Map<String, String> from) { |
| Builder<String, DriveMetrics> builder = ImmutableMap.builder(); |
| addIDEDevices(from, builder); |
| addSCSIDevices(from, builder); |
| addBlockDevices(from, builder); |
| return builder.build(); |
| } |
| |
| protected void addBlockDevices(Map<String, String> from, Builder<String, DriveMetrics> devices) { |
| BLOCK: for (int index : new int[] { 0, 1, 2, 3, 4, 5, 6, 7 }) { |
| String key = String.format("block:0:%d", index); |
| if (!from.containsKey(key)) |
| break BLOCK; |
| devices.put(key, buildMetrics(key, from)); |
| } |
| } |
| |
| protected void addSCSIDevices(Map<String, String> from, Builder<String, DriveMetrics> devices) { |
| SCSI: for (int unit : new int[] { 0, 1, 2, 3, 4, 5, 6, 7 }) { |
| String key = String.format("scsi:0:%d", unit); |
| if (!from.containsKey(key)) |
| break SCSI; |
| devices.put(key, buildMetrics(key, from)); |
| } |
| } |
| |
| protected void addIDEDevices(Map<String, String> from, Builder<String, DriveMetrics> devices) { |
| IDE: for (int bus : new int[] { 0, 1 }) |
| for (int unit : new int[] { 0, 1 }) { |
| String key = String.format("ide:%d:%d", bus, unit); |
| if (!from.containsKey(key)) |
| break IDE; |
| devices.put(key, buildMetrics(key, from)); |
| } |
| } |
| |
| protected DriveMetrics buildMetrics(String key, Map<String, String> from) { |
| DriveMetrics.Builder builder = new DriveMetrics.Builder(); |
| if (from.containsKey(key + ":read:bytes")) |
| builder.readBytes(new Long(from.get(key + ":read:bytes"))); |
| if (from.containsKey(key + ":read:requests")) |
| builder.readRequests(new Long(from.get(key + ":read:requests"))); |
| if (from.containsKey(key + ":write:bytes")) |
| builder.writeBytes(new Long(from.get(key + ":write:bytes"))); |
| if (from.containsKey(key + ":write:requests")) |
| builder.writeRequests(new Long(from.get(key + ":write:requests"))); |
| return builder.build(); |
| } |
| } |