Statistics-Manager - Performance Improvement
[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / QueueStatsTracker.java
1 /*
2  * Copyright IBM Corporation, 2013.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.controller.md.statistics.manager;
9
10 import java.util.Map.Entry;
11
12 import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
13 import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
14 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueBuilder;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.queue.rev130925.QueueId;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsDataBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsInputBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortInputBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsService;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatisticsBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap;
30 import org.opendaylight.yangtools.yang.binding.DataObject;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
34
35 final class QueueStatsTracker extends AbstractListeningStatsTracker<QueueIdAndStatisticsMap, QueueStatsEntry> {
36     private static final Logger logger = LoggerFactory.getLogger(QueueStatsTracker.class);
37     private final OpendaylightQueueStatisticsService queueStatsService;
38
39     QueueStatsTracker(OpendaylightQueueStatisticsService queueStatsService, final FlowCapableContext context) {
40         super(context);
41         this.queueStatsService = queueStatsService;
42     }
43
44     @Override
45     protected void cleanupSingleStat(DataModificationTransaction trans, QueueStatsEntry item) {
46         InstanceIdentifier<?> queueRef
47                             = getNodeIdentifierBuilder().child(NodeConnector.class, new NodeConnectorKey(item.getNodeConnectorId()))
48                                                 .augmentation(FlowCapableNodeConnector.class)
49                                                 .child(Queue.class, new QueueKey(item.getQueueId()))
50                                                 .augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).build();
51         trans.removeOperationalData(queueRef);
52     }
53
54     @Override
55     protected QueueStatsEntry updateSingleStat(DataModificationTransaction trans, QueueIdAndStatisticsMap item) {
56
57         QueueStatsEntry queueEntry = new QueueStatsEntry(item.getNodeConnectorId(), item.getQueueId());
58
59         FlowCapableNodeConnectorQueueStatisticsDataBuilder queueStatisticsDataBuilder = new FlowCapableNodeConnectorQueueStatisticsDataBuilder();
60
61         FlowCapableNodeConnectorQueueStatisticsBuilder queueStatisticsBuilder = new FlowCapableNodeConnectorQueueStatisticsBuilder();
62
63         queueStatisticsBuilder.fieldsFrom(item);
64
65         queueStatisticsDataBuilder.setFlowCapableNodeConnectorQueueStatistics(queueStatisticsBuilder.build());
66
67         InstanceIdentifier<Queue> queueRef = getNodeIdentifierBuilder().child(NodeConnector.class, new NodeConnectorKey(item.getNodeConnectorId()))
68                                     .augmentation(FlowCapableNodeConnector.class)
69                                     .child(Queue.class, new QueueKey(item.getQueueId())).toInstance();
70
71         QueueBuilder queueBuilder = new QueueBuilder();
72         FlowCapableNodeConnectorQueueStatisticsData qsd = queueStatisticsDataBuilder.build();
73         queueBuilder.addAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class, qsd);
74         queueBuilder.setKey(new QueueKey(item.getQueueId()));
75
76         logger.debug("Augmenting queue statistics {} of queue {} to port {}",
77                                     qsd,
78                                     item.getQueueId(),
79                                     item.getNodeConnectorId());
80
81         trans.putOperationalData(queueRef, queueBuilder.build());
82         return queueEntry;
83     }
84
85     @Override
86     public void request() {
87         if (queueStatsService != null) {
88             GetAllQueuesStatisticsFromAllPortsInputBuilder input = new GetAllQueuesStatisticsFromAllPortsInputBuilder();
89             input.setNode(getNodeRef());
90
91             requestHelper(queueStatsService.getAllQueuesStatisticsFromAllPorts(input.build()));
92         }
93     }
94
95     public void request(NodeConnectorId nodeConnectorId, QueueId queueId) {
96         if (queueStatsService != null) {
97             GetQueueStatisticsFromGivenPortInputBuilder input = new GetQueueStatisticsFromGivenPortInputBuilder();
98
99             input.setNode(getNodeRef());
100             input.setNodeConnectorId(nodeConnectorId);
101             input.setQueueId(queueId);
102
103             requestHelper(queueStatsService.getQueueStatisticsFromGivenPort(input.build()));
104         }
105     }
106
107     @Override
108     public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
109         for (Entry<InstanceIdentifier<?>, DataObject> e : change.getCreatedConfigurationData().entrySet()) {
110             if (Queue.class.equals(e.getKey().getTargetType())) {
111                 final Queue queue = (Queue) e.getValue();
112                 final NodeConnectorKey key = e.getKey().firstKeyOf(NodeConnector.class, NodeConnectorKey.class);
113                 logger.debug("Key {} triggered request for connector {} queue {}", key.getId(), queue.getQueueId());
114                 request(key.getId(), queue.getQueueId());
115             } else {
116                 logger.debug("Ignoring key {}", e.getKey());
117             }
118         }
119
120         final DataModificationTransaction trans = startTransaction();
121         for (InstanceIdentifier<?> key : change.getRemovedConfigurationData()) {
122             if (Queue.class.equals(key.getTargetType())) {
123                 @SuppressWarnings("unchecked")
124                 final InstanceIdentifier<Queue> queue = (InstanceIdentifier<Queue>)key;
125                 final InstanceIdentifier<?> del = InstanceIdentifier.builder(queue)
126                         .augmentation(FlowCapableNodeConnectorQueueStatisticsData.class).build();
127                 logger.debug("Key {} triggered remove of augmentation {}", key, del);
128
129                 trans.removeOperationalData(del);
130             }
131         }
132         trans.commit();
133     }
134
135     @Override
136     protected InstanceIdentifier<?> listenPath() {
137         return getNodeIdentifierBuilder().child(NodeConnector.class)
138                 .augmentation(FlowCapableNodeConnector.class).child(Queue.class).build();
139     }
140
141     @Override
142     protected String statName() {
143         return "Queue";
144     }
145
146     @Override
147     public void start(final DataBrokerService dbs) {
148         if (queueStatsService == null) {
149             logger.debug("No Queue Statistics service, not subscribing to queues on node {}", getNodeIdentifier());
150             return;
151         }
152
153         super.start(dbs);
154     }
155 }