Jian Li | 7eed417 | 2016-04-07 22:12:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.cpman.impl; |
| 17 | |
| 18 | import com.codahale.metrics.Meter; |
| 19 | import com.google.common.collect.Maps; |
| 20 | import com.google.common.collect.Sets; |
| 21 | import org.onlab.metrics.MetricsComponent; |
| 22 | import org.onlab.metrics.MetricsFeature; |
| 23 | import org.onlab.metrics.MetricsService; |
| 24 | import org.onosproject.cpman.ControlMetricType; |
| 25 | import org.onosproject.cpman.ControlResource; |
| 26 | import org.slf4j.Logger; |
| 27 | |
| 28 | import java.util.Map; |
| 29 | import java.util.Optional; |
| 30 | import java.util.Set; |
| 31 | |
| 32 | import static org.slf4j.LoggerFactory.getLogger; |
| 33 | |
| 34 | /** |
| 35 | * Aggregate system metrics. |
| 36 | */ |
| 37 | public class SystemMetricsAggregator { |
| 38 | |
| 39 | private final Logger log = getLogger(getClass()); |
| 40 | |
| 41 | private static final String DEFAULT_RESOURCE_NAME = "system"; |
| 42 | private static final String DEFAULT_METER_SUFFIX = "rate"; |
| 43 | private static final String DISK_RESOURCE_TYPE = "disk"; |
| 44 | private static final String NETWORK_RESOURCE_TYPE = "network"; |
| 45 | private final Map<ControlMetricType, Meter> meterMap = Maps.newHashMap(); |
| 46 | private final Set<ControlMetricType> metricTypeSet = Sets.newHashSet(); |
| 47 | |
| 48 | public SystemMetricsAggregator(MetricsService metricsService, Optional<String> resName, String resType) { |
| 49 | String resourceName = resName.isPresent() ? resName.get() : DEFAULT_RESOURCE_NAME; |
| 50 | MetricsComponent mc = metricsService.registerComponent(resourceName); |
| 51 | |
| 52 | if (resName.isPresent()) { |
| 53 | if (DISK_RESOURCE_TYPE.equals(resType)) { |
| 54 | metricTypeSet.addAll(ControlResource.DISK_METRICS); |
| 55 | } else if (NETWORK_RESOURCE_TYPE.equals(resType)) { |
| 56 | metricTypeSet.addAll(ControlResource.NETWORK_METRICS); |
| 57 | } else { |
| 58 | log.warn("Not valid resource type {}", resType); |
| 59 | } |
| 60 | } else { |
| 61 | metricTypeSet.addAll(ControlResource.MEMORY_METRICS); |
| 62 | metricTypeSet.addAll(ControlResource.CPU_METRICS); |
| 63 | } |
| 64 | |
| 65 | metricTypeSet.forEach(type -> { |
| 66 | MetricsFeature metricsFeature = mc.registerFeature(type.toString()); |
| 67 | Meter meter = metricsService.createMeter(mc, metricsFeature, DEFAULT_METER_SUFFIX); |
| 68 | meterMap.putIfAbsent(type, meter); |
| 69 | }); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Increments metric value. |
| 74 | * |
| 75 | * @param type metric type |
| 76 | * @param value metric value |
| 77 | */ |
| 78 | public void increment(ControlMetricType type, long value) { |
| 79 | meterMap.get(type).mark(value); |
| 80 | } |
| 81 | } |