2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.controller.protocol_plugin.openflow.internal;
11 import java.util.ArrayList;
12 import java.util.Date;
13 import java.util.HashSet;
14 import java.util.List;
17 import java.util.concurrent.ConcurrentHashMap;
18 import java.util.concurrent.ConcurrentMap;
19 import java.util.concurrent.CopyOnWriteArrayList;
20 import java.util.concurrent.CopyOnWriteArraySet;
22 import org.opendaylight.controller.protocol_plugin.openflow.IInventoryShimExternalListener;
23 import org.opendaylight.controller.protocol_plugin.openflow.IInventoryShimInternalListener;
24 import org.opendaylight.controller.protocol_plugin.openflow.IOFStatisticsListener;
25 import org.opendaylight.controller.protocol_plugin.openflow.core.IController;
26 import org.opendaylight.controller.protocol_plugin.openflow.core.IMessageListener;
27 import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitch;
28 import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitchStateListener;
29 import org.opendaylight.controller.sal.connection.IPluginOutConnectionService;
30 import org.opendaylight.controller.sal.core.Actions;
31 import org.opendaylight.controller.sal.core.Buffers;
32 import org.opendaylight.controller.sal.core.Capabilities;
33 import org.opendaylight.controller.sal.core.ContainerFlow;
34 import org.opendaylight.controller.sal.core.Description;
35 import org.opendaylight.controller.sal.core.IContainerAware;
36 import org.opendaylight.controller.sal.core.IContainerListener;
37 import org.opendaylight.controller.sal.core.MacAddress;
38 import org.opendaylight.controller.sal.core.Node;
39 import org.opendaylight.controller.sal.core.NodeConnector;
40 import org.opendaylight.controller.sal.core.Property;
41 import org.opendaylight.controller.sal.core.Tables;
42 import org.opendaylight.controller.sal.core.TimeStamp;
43 import org.opendaylight.controller.sal.core.UpdateType;
44 import org.opendaylight.controller.sal.utils.GlobalConstants;
45 import org.opendaylight.controller.sal.utils.NodeCreator;
46 import org.openflow.protocol.OFMessage;
47 import org.openflow.protocol.OFPortStatus;
48 import org.openflow.protocol.OFPortStatus.OFPortReason;
49 import org.openflow.protocol.OFType;
50 import org.openflow.protocol.statistics.OFDescriptionStatistics;
51 import org.openflow.protocol.statistics.OFStatistics;
52 import org.slf4j.Logger;
53 import org.slf4j.LoggerFactory;
56 * The class describes a shim layer that bridges inventory events from Openflow
57 * core to various listeners. The notifications are filtered based on container
62 public class InventoryServiceShim implements IContainerListener,
63 IMessageListener, ISwitchStateListener, IOFStatisticsListener, IContainerAware {
64 protected static final Logger logger = LoggerFactory
65 .getLogger(InventoryServiceShim.class);
66 private IController controller = null;
67 private final ConcurrentMap<String, IInventoryShimInternalListener> inventoryShimInternalListeners = new ConcurrentHashMap<String, IInventoryShimInternalListener>();
68 private final Set<IInventoryShimInternalListener> globalInventoryShimInternalListeners = new HashSet<IInventoryShimInternalListener>();
69 private final List<IInventoryShimExternalListener> inventoryShimExternalListeners = new CopyOnWriteArrayList<IInventoryShimExternalListener>();
70 private final ConcurrentMap<NodeConnector, Set<String>> nodeConnectorContainerMap = new ConcurrentHashMap<NodeConnector, Set<String>>();
71 private final ConcurrentMap<Node, Set<String>> nodeContainerMap = new ConcurrentHashMap<Node, Set<String>>();
72 private final ConcurrentMap<NodeConnector, Set<Property>> nodeConnectorProps = new ConcurrentHashMap<NodeConnector, Set<Property>>();
73 private final ConcurrentMap<Node, Set<Property>> nodeProps = new ConcurrentHashMap<Node, Set<Property>>();
74 private IPluginOutConnectionService connectionOutService;
76 void setController(IController s) {
80 void unsetController(IController s) {
81 if (this.controller == s) {
82 this.controller = null;
86 void setInventoryShimGlobalInternalListener(Map<?, ?> props,
87 IInventoryShimInternalListener s) {
88 if ((this.globalInventoryShimInternalListeners != null)) {
89 this.globalInventoryShimInternalListeners.add(s);
93 void unsetInventoryShimGlobalInternalListener(Map<?, ?> props,
94 IInventoryShimInternalListener s) {
95 if ((this.globalInventoryShimInternalListeners != null)) {
96 this.globalInventoryShimInternalListeners.remove(s);
100 void setInventoryShimInternalListener(Map<?, ?> props,
101 IInventoryShimInternalListener s) {
103 logger.error("setInventoryShimInternalListener property is null");
106 String containerName = (String) props.get("containerName");
107 if (containerName == null) {
108 logger.error("setInventoryShimInternalListener containerName not supplied");
111 if ((this.inventoryShimInternalListeners != null)
112 && !this.inventoryShimInternalListeners.containsValue(s)) {
113 this.inventoryShimInternalListeners.put(containerName, s);
115 "Added inventoryShimInternalListener for container {}",
120 void unsetInventoryShimInternalListener(Map<?, ?> props,
121 IInventoryShimInternalListener s) {
123 logger.error("unsetInventoryShimInternalListener property is null");
126 String containerName = (String) props.get("containerName");
127 if (containerName == null) {
128 logger.error("setInventoryShimInternalListener containerName not supplied");
131 if ((this.inventoryShimInternalListeners != null)
132 && this.inventoryShimInternalListeners.get(containerName) != null
133 && this.inventoryShimInternalListeners.get(containerName)
135 this.inventoryShimInternalListeners.remove(containerName);
137 "Removed inventoryShimInternalListener for container {}",
142 void setInventoryShimExternalListener(IInventoryShimExternalListener s) {
143 logger.trace("Set inventoryShimExternalListener {}", s);
144 if ((this.inventoryShimExternalListeners != null)
145 && !this.inventoryShimExternalListeners.contains(s)) {
146 this.inventoryShimExternalListeners.add(s);
150 void unsetInventoryShimExternalListener(IInventoryShimExternalListener s) {
151 logger.trace("Unset inventoryShimExternalListener {}", s);
152 if ((this.inventoryShimExternalListeners != null)
153 && this.inventoryShimExternalListeners.contains(s)) {
154 this.inventoryShimExternalListeners.remove(s);
158 void setIPluginOutConnectionService(IPluginOutConnectionService s) {
159 connectionOutService = s;
162 void unsetIPluginOutConnectionService(IPluginOutConnectionService s) {
163 if (connectionOutService == s) {
164 connectionOutService = null;
169 * Function called by the dependency manager when all the required
170 * dependencies are satisfied
174 this.controller.addMessageListener(OFType.PORT_STATUS, this);
175 this.controller.addSwitchStateListener(this);
179 * Function called after registering the service in OSGi service registry.
182 /* Start with existing switches */
187 * Function called by the dependency manager when at least one dependency
188 * become unsatisfied or when the component is shutting down because for
189 * example bundle is being stopped.
193 this.controller.removeMessageListener(OFType.PACKET_IN, this);
194 this.controller.removeSwitchStateListener(this);
196 this.inventoryShimInternalListeners.clear();
197 this.nodeConnectorContainerMap.clear();
198 this.nodeContainerMap.clear();
199 this.globalInventoryShimInternalListeners.clear();
200 this.controller = null;
204 public void receive(ISwitch sw, OFMessage msg) {
205 if (msg instanceof OFPortStatus) {
206 handlePortStatusMessage(sw, (OFPortStatus) msg);
211 protected void handlePortStatusMessage(ISwitch sw, OFPortStatus m) {
212 Node node = NodeCreator.createOFNode(sw.getId());
213 NodeConnector nodeConnector = PortConverter.toNodeConnector(
214 m.getDesc().getPortNumber(), node);
215 // get node connector properties
216 Set<Property> props = InventoryServiceHelper.OFPortToProps(m.getDesc());
218 UpdateType type = null;
219 if (m.getReason() == (byte) OFPortReason.OFPPR_ADD.ordinal()) {
220 type = UpdateType.ADDED;
221 nodeConnectorProps.put(nodeConnector, props);
222 } else if (m.getReason() == (byte) OFPortReason.OFPPR_DELETE.ordinal()) {
223 type = UpdateType.REMOVED;
224 nodeConnectorProps.remove(nodeConnector);
225 } else if (m.getReason() == (byte) OFPortReason.OFPPR_MODIFY.ordinal()) {
226 type = UpdateType.CHANGED;
227 nodeConnectorProps.put(nodeConnector, props);
230 logger.trace("handlePortStatusMessage {} type {}", nodeConnector, type);
233 notifyInventoryShimListener(nodeConnector, type, props);
238 public void switchAdded(ISwitch sw) {
242 Node node = NodeCreator.createOFNode(sw.getId());
243 if ((nodeProps.get(node) != null) && (connectionOutService.isLocal(node))) {
244 logger.debug("Ignore switchAdded {}", sw);
248 // Add all the nodeConnectors of this switch
249 Map<NodeConnector, Set<Property>> ncProps = InventoryServiceHelper
250 .OFSwitchToProps(sw);
251 for (Map.Entry<NodeConnector, Set<Property>> entry : ncProps.entrySet()) {
252 Set<Property> props = new HashSet<Property>();
253 Set<Property> prop = entry.getValue();
257 nodeConnectorProps.put(entry.getKey(), props);
258 notifyInventoryShimListener(entry.getKey(), UpdateType.ADDED,
267 public void switchDeleted(ISwitch sw) {
276 public void containerModeUpdated(UpdateType t) {
281 public void tagUpdated(String containerName, Node n, short oldTag,
282 short newTag, UpdateType t) {
283 logger.debug("tagUpdated: {} type {} for container {}", new Object[] {
284 n, t, containerName });
288 public void containerFlowUpdated(String containerName,
289 ContainerFlow previousFlow, ContainerFlow currentFlow, UpdateType t) {
293 public void nodeConnectorUpdated(String containerName, NodeConnector nc, UpdateType t) {
294 logger.debug("nodeConnectorUpdated: {} type {} for container {}", new Object[] { nc, t, containerName });
295 Node node = nc.getNode();
296 Set<String> ncContainers = this.nodeConnectorContainerMap.get(nc);
297 Set<String> nodeContainers = this.nodeContainerMap.get(node);
298 if (ncContainers == null) {
299 ncContainers = new CopyOnWriteArraySet<String>();
301 if (nodeContainers == null) {
302 nodeContainers = new CopyOnWriteArraySet<String>();
304 boolean notifyNodeUpdate = false;
308 if (ncContainers.add(containerName)) {
309 this.nodeConnectorContainerMap.put(nc, ncContainers);
311 if (nodeContainers.add(containerName)) {
312 this.nodeContainerMap.put(node, nodeContainers);
313 notifyNodeUpdate = true;
317 if (ncContainers.remove(containerName)) {
318 if (ncContainers.isEmpty()) {
319 // Do cleanup to reduce memory footprint if no
320 // elements to be tracked
321 this.nodeConnectorContainerMap.remove(nc);
323 this.nodeConnectorContainerMap.put(nc, ncContainers);
326 boolean nodeContainerUpdate = true;
327 for (NodeConnector ncContainer : nodeConnectorContainerMap.keySet()) {
328 if ((ncContainer.getNode().equals(node)) && (nodeConnectorContainerMap.get(ncContainer).contains(containerName))) {
329 nodeContainerUpdate = false;
333 if (nodeContainerUpdate) {
334 nodeContainers.remove(containerName);
335 notifyNodeUpdate = true;
336 if (nodeContainers.isEmpty()) {
337 this.nodeContainerMap.remove(node);
339 this.nodeContainerMap.put(node, nodeContainers);
347 Set<Property> nodeProp = nodeProps.get(node);
348 if (nodeProp == null) {
351 Set<Property> ncProp = nodeConnectorProps.get(nc);
352 // notify InventoryService
353 notifyInventoryShimInternalListener(containerName, nc, t, ncProp);
355 if (notifyNodeUpdate) {
356 notifyInventoryShimInternalListener(containerName, node, t, nodeProp);
360 private void notifyInventoryShimExternalListener(Node node,
361 UpdateType type, Set<Property> props) {
362 for (IInventoryShimExternalListener s : this.inventoryShimExternalListeners) {
363 s.updateNode(node, type, props);
367 private void notifyInventoryShimExternalListener(
368 NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
369 for (IInventoryShimExternalListener s : this.inventoryShimExternalListeners) {
370 s.updateNodeConnector(nodeConnector, type, props);
374 private void notifyInventoryShimInternalListener(String container,
375 NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
376 IInventoryShimInternalListener inventoryShimInternalListener = inventoryShimInternalListeners
378 if (inventoryShimInternalListener != null) {
379 inventoryShimInternalListener.updateNodeConnector(nodeConnector,
382 "notifyInventoryShimInternalListener {} type {} for container {}",
383 new Object[] { nodeConnector, type, container });
388 * Notify all internal and external listeners
390 private void notifyInventoryShimListener(NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
392 //establish locality before notifying
394 if (type == UpdateType.REMOVED){
395 //if removing get the locality first
396 isNodeLocal = connectionOutService.isLocal(nodeConnector.getNode());
397 notifyGlobalInventoryShimInternalListener(nodeConnector, type, props);
399 notifyGlobalInventoryShimInternalListener(nodeConnector, type, props);
400 isNodeLocal = connectionOutService.isLocal(nodeConnector.getNode());
404 // notify other containers
405 Set<String> containers = (nodeConnectorContainerMap.get(nodeConnector) == null) ? new HashSet<String>()
406 : new HashSet<String>(nodeConnectorContainerMap.get(nodeConnector));
407 containers.add(GlobalConstants.DEFAULT.toString());
408 for (String container : containers) {
409 notifyInventoryShimInternalListener(container, nodeConnector, type, props);
412 // Notify DiscoveryService
413 notifyInventoryShimExternalListener(nodeConnector, type, props);
415 logger.debug("Connection service accepted the inventory notification for {} {}", nodeConnector, type);
417 logger.debug("Connection service dropped the inventory notification for {} {}", nodeConnector, type);
422 * Notify all internal and external listeners
424 private void notifyInventoryShimListener(Node node, UpdateType type, Set<Property> props) {
426 //establish locality before notifying
428 if (type == UpdateType.REMOVED){
429 //if removing get the locality first
430 isNodeLocal = connectionOutService.isLocal(node);
431 notifyGlobalInventoryShimInternalListener(node, type, props);
433 notifyGlobalInventoryShimInternalListener(node, type, props);
434 isNodeLocal = connectionOutService.isLocal(node);
438 // Now notify other containers
439 Set<String> containers = (nodeContainerMap.get(node) == null) ? new HashSet<String>() : new HashSet<String>(
440 nodeContainerMap.get(node));
441 containers.add(GlobalConstants.DEFAULT.toString());
442 for (String container : containers) {
443 notifyInventoryShimInternalListener(container, node, type, props);
445 // Notify external listener
446 notifyInventoryShimExternalListener(node, type, props);
448 logger.debug("Connection service accepted the inventory notification for {} {}", node, type);
450 logger.debug("Connection service dropped the inventory notification for {} {}", node, type);
454 private void notifyGlobalInventoryShimInternalListener(Node node, UpdateType type, Set<Property> props) {
455 for (IInventoryShimInternalListener globalListener : globalInventoryShimInternalListeners) {
456 globalListener.updateNode(node, type, props);
458 "notifyGlobalInventoryShimInternalListener {} type {}",
459 new Object[] { node, type });
463 private void notifyGlobalInventoryShimInternalListener(NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
464 for (IInventoryShimInternalListener globalListener : globalInventoryShimInternalListeners) {
465 globalListener.updateNodeConnector(nodeConnector, type, props);
467 "notifyGlobalInventoryShimInternalListener {} type {}",
468 new Object[] { nodeConnector, type });
472 private void notifyInventoryShimInternalListener(String container,
473 Node node, UpdateType type, Set<Property> props) {
474 IInventoryShimInternalListener inventoryShimInternalListener = inventoryShimInternalListeners
476 if (inventoryShimInternalListener != null) {
477 inventoryShimInternalListener.updateNode(node, type, props);
479 "notifyInventoryShimInternalListener {} type {} for container {}",
480 new Object[] { node, type, container });
484 private void addNode(ISwitch sw) {
485 Node node = NodeCreator.createOFNode(sw.getId());
486 UpdateType type = UpdateType.ADDED;
488 Set<Property> props = new HashSet<Property>();
489 Long sid = (Long) node.getID();
491 Date connectedSince = sw.getConnectedDate();
492 Long connectedSinceTime = (connectedSince == null) ? 0 : connectedSince
494 props.add(new TimeStamp(connectedSinceTime, "connectedSince"));
495 props.add(new MacAddress(deriveMacAddress(sid)));
497 byte tables = sw.getTables();
498 Tables t = new Tables(tables);
502 int cap = sw.getCapabilities();
503 Capabilities c = new Capabilities(cap);
507 int act = sw.getActions();
508 Actions a = new Actions(act);
512 int buffers = sw.getBuffers();
513 Buffers b = new Buffers(buffers);
518 if ((nodeProps.get(node) == null) && (connectionOutService.isLocal(node))) {
519 // The switch is connected for the first time, flush all flows
520 // that may exist on this switch
523 nodeProps.put(node, props);
524 // Notify all internal and external listeners
525 notifyInventoryShimListener(node, type, props);
528 private void removeNode(ISwitch sw) {
529 Node node = NodeCreator.createOFNode(sw.getId());
533 removeNodeConnectorProps(node);
534 nodeProps.remove(node);
535 UpdateType type = UpdateType.REMOVED;
536 // Notify all internal and external listeners
537 notifyInventoryShimListener(node, type, null);
540 private void startService() {
541 // Get a snapshot of all the existing switches
542 Map<Long, ISwitch> switches = this.controller.getSwitches();
543 for (ISwitch sw : switches.values()) {
548 private void removeNodeConnectorProps(Node node) {
549 List<NodeConnector> ncList = new ArrayList<NodeConnector>();
550 for (NodeConnector nc : nodeConnectorProps.keySet()) {
551 if (nc.getNode().equals(node)) {
555 for (NodeConnector nc : ncList) {
556 nodeConnectorProps.remove(nc);
561 public void descriptionStatisticsRefreshed(Long switchId, List<OFStatistics> descriptionStats) {
562 Node node = NodeCreator.createOFNode(switchId);
563 Set<Property> properties = new HashSet<Property>(1);
564 OFDescriptionStatistics ofDesc = (OFDescriptionStatistics) descriptionStats.get(0);
565 Description desc = new Description(ofDesc.getDatapathDescription());
566 properties.add(desc);
568 // Notify all internal and external listeners
569 notifyInventoryShimListener(node, UpdateType.CHANGED, properties);
572 private byte[] deriveMacAddress(long dpid) {
573 byte[] mac = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
575 for (short i = 0; i < 6; i++) {
576 mac[5 - i] = (byte) dpid;
584 public void flowStatisticsRefreshed(Long switchId, List<OFStatistics> flows) {
589 public void portStatisticsRefreshed(Long switchId, List<OFStatistics> ports) {
594 public void tableStatisticsRefreshed(Long switchId, List<OFStatistics> tables) {
599 public void containerCreate(String containerName) {
604 public void containerDestroy(String containerName) {
605 Set<NodeConnector> removeNodeConnectorSet = new HashSet<NodeConnector>();
606 Set<Node> removeNodeSet = new HashSet<Node>();
607 for (Map.Entry<NodeConnector, Set<String>> entry : nodeConnectorContainerMap.entrySet()) {
608 Set<String> ncContainers = entry.getValue();
609 if (ncContainers.contains(containerName)) {
610 NodeConnector nodeConnector = entry.getKey();
611 removeNodeConnectorSet.add(nodeConnector);
614 for (Map.Entry<Node, Set<String>> entry : nodeContainerMap.entrySet()) {
615 Set<String> nodeContainers = entry.getValue();
616 if (nodeContainers.contains(containerName)) {
617 Node node = entry.getKey();
618 removeNodeSet.add(node);
621 for (NodeConnector nodeConnector : removeNodeConnectorSet) {
622 Set<String> ncContainers = nodeConnectorContainerMap.get(nodeConnector);
623 ncContainers.remove(containerName);
624 if (ncContainers.isEmpty()) {
625 nodeConnectorContainerMap.remove(nodeConnector);
628 for (Node node : removeNodeSet) {
629 Set<String> nodeContainers = nodeContainerMap.get(node);
630 nodeContainers.remove(containerName);
631 if (nodeContainers.isEmpty()) {
632 nodeContainerMap.remove(node);