+++ /dev/null
-/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.protocol_plugin.openflow.internal;
-
-import java.util.Date;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.CopyOnWriteArrayList;
-
-import org.opendaylight.controller.protocol_plugin.openflow.IInventoryShimExternalListener;
-import org.opendaylight.controller.protocol_plugin.openflow.IInventoryShimInternalListener;
-import org.opendaylight.controller.protocol_plugin.openflow.core.IController;
-import org.opendaylight.controller.protocol_plugin.openflow.core.IMessageListener;
-import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitch;
-import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitchStateListener;
-import org.opendaylight.controller.sal.core.Actions;
-import org.opendaylight.controller.sal.core.Buffers;
-import org.opendaylight.controller.sal.core.Capabilities;
-import org.opendaylight.controller.sal.core.ConstructionException;
-import org.opendaylight.controller.sal.core.ContainerFlow;
-import org.opendaylight.controller.sal.core.IContainerListener;
-import org.opendaylight.controller.sal.core.Node;
-import org.opendaylight.controller.sal.core.Node.NodeIDType;
-import org.opendaylight.controller.sal.core.NodeConnector;
-import org.opendaylight.controller.sal.core.Property;
-import org.opendaylight.controller.sal.core.Tables;
-import org.opendaylight.controller.sal.core.TimeStamp;
-import org.opendaylight.controller.sal.core.UpdateType;
-import org.opendaylight.controller.sal.utils.GlobalConstants;
-import org.openflow.protocol.OFMessage;
-import org.openflow.protocol.OFPortStatus;
-import org.openflow.protocol.OFPortStatus.OFPortReason;
-import org.openflow.protocol.OFType;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * The class describes a shim layer that bridges inventory events from Openflow
- * core to various listeners. The notifications are filtered based on container
- * configurations.
- *
- *
- */
-public class InventoryServiceShim implements IContainerListener,
- IMessageListener, ISwitchStateListener {
- protected static final Logger logger = LoggerFactory
- .getLogger(InventoryServiceShim.class);
- private IController controller = null;
- private ConcurrentMap<String, IInventoryShimInternalListener> inventoryShimInternalListeners = new ConcurrentHashMap<String, IInventoryShimInternalListener>();
- private List<IInventoryShimExternalListener> inventoryShimExternalListeners = new CopyOnWriteArrayList<IInventoryShimExternalListener>();
- private ConcurrentMap<NodeConnector, List<String>> containerMap = new ConcurrentHashMap<NodeConnector, List<String>>();
-
- void setController(IController s) {
- this.controller = s;
- }
-
- void unsetController(IController s) {
- if (this.controller == s) {
- this.controller = null;
- }
- }
-
- void setInventoryShimInternalListener(Map<?, ?> props,
- IInventoryShimInternalListener s) {
- if (props == null) {
- logger.error("setInventoryShimInternalListener property is null");
- return;
- }
- String containerName = (String) props.get("containerName");
- if (containerName == null) {
- logger.error("setInventoryShimInternalListener containerName not supplied");
- return;
- }
- if ((this.inventoryShimInternalListeners != null)
- && !this.inventoryShimInternalListeners.containsValue(s)) {
- this.inventoryShimInternalListeners.put(containerName, s);
- logger.trace(
- "Added inventoryShimInternalListener for container {}",
- containerName);
- }
- }
-
- void unsetInventoryShimInternalListener(Map<?, ?> props,
- IInventoryShimInternalListener s) {
- if (props == null) {
- logger.error("unsetInventoryShimInternalListener property is null");
- return;
- }
- String containerName = (String) props.get("containerName");
- if (containerName == null) {
- logger.error("unsetInventoryShimInternalListener containerName not supplied");
- return;
- }
- if ((this.inventoryShimInternalListeners != null)
- && this.inventoryShimInternalListeners.get(containerName) != null
- && this.inventoryShimInternalListeners.get(containerName)
- .equals(s)) {
- this.inventoryShimInternalListeners.remove(containerName);
- logger.trace(
- "Removed inventoryShimInternalListener for container {}",
- containerName);
- }
- }
-
- void setInventoryShimExternalListener(IInventoryShimExternalListener s) {
- logger.trace("Set inventoryShimExternalListener");
- if ((this.inventoryShimExternalListeners != null)
- && !this.inventoryShimExternalListeners.contains(s)) {
- this.inventoryShimExternalListeners.add(s);
- }
- }
-
- void unsetInventoryShimExternalListener(IInventoryShimExternalListener s) {
- if ((this.inventoryShimExternalListeners != null)
- && this.inventoryShimExternalListeners.contains(s)) {
- this.inventoryShimExternalListeners.remove(s);
- }
- }
-
- /**
- * Function called by the dependency manager when all the required
- * dependencies are satisfied
- *
- */
- void init() {
- this.controller.addMessageListener(OFType.PORT_STATUS, this);
- this.controller.addSwitchStateListener(this);
- }
-
- /**
- * Function called after registering the service in OSGi service registry.
- */
- void started() {
- /* Start with existing switches */
- startService();
- }
-
- /**
- * Function called by the dependency manager when at least one dependency
- * become unsatisfied or when the component is shutting down because for
- * example bundle is being stopped.
- *
- */
- void destroy() {
- this.controller.removeMessageListener(OFType.PACKET_IN, this);
- this.controller.removeSwitchStateListener(this);
-
- this.inventoryShimInternalListeners.clear();
- this.containerMap.clear();
- this.controller = null;
- }
-
- @Override
- public void receive(ISwitch sw, OFMessage msg) {
- try {
- if (msg instanceof OFPortStatus) {
- handlePortStatusMessage(sw, (OFPortStatus) msg);
- }
- } catch (ConstructionException e) {
- logger.error("",e);
- }
- return;
- }
-
- protected void handlePortStatusMessage(ISwitch sw, OFPortStatus m)
- throws ConstructionException {
- Node node = new Node(NodeIDType.OPENFLOW, sw.getId());
- NodeConnector nodeConnector = PortConverter.toNodeConnector(m.getDesc()
- .getPortNumber(), node);
- UpdateType type = null;
-
- if (m.getReason() == (byte) OFPortReason.OFPPR_ADD.ordinal()) {
- type = UpdateType.ADDED;
- } else if (m.getReason() == (byte) OFPortReason.OFPPR_DELETE.ordinal()) {
- type = UpdateType.REMOVED;
- } else if (m.getReason() == (byte) OFPortReason.OFPPR_MODIFY.ordinal()) {
- type = UpdateType.CHANGED;
- }
-
- logger.trace("handlePortStatusMessage {} type {}", nodeConnector, type);
-
- if (type != null) {
- // get node connector properties
- Set<Property> props = InventoryServiceHelper.OFPortToProps(m
- .getDesc());
- notifyInventoryShimListener(nodeConnector, type, props);
- }
- }
-
- @Override
- public void switchAdded(ISwitch sw) {
- if (sw == null)
- return;
-
- // Add all the nodeConnectors of this switch
- Map<NodeConnector, Set<Property>> ncProps = InventoryServiceHelper
- .OFSwitchToProps(sw);
- for (Map.Entry<NodeConnector, Set<Property>> entry : ncProps.entrySet()) {
- notifyInventoryShimListener(entry.getKey(), UpdateType.ADDED,
- entry.getValue());
- }
-
- // Add this node
- addNode(sw);
- }
-
- @Override
- public void switchDeleted(ISwitch sw) {
- if (sw == null)
- return;
-
- removeNode(sw);
- }
-
- @Override
- public void containerModeUpdated(UpdateType t) {
- // do nothing
- }
-
- @Override
- public void tagUpdated(String containerName, Node n, short oldTag,
- short newTag, UpdateType t) {
- }
-
- @Override
- public void containerFlowUpdated(String containerName,
- ContainerFlow previousFlow, ContainerFlow currentFlow, UpdateType t) {
- }
-
- @Override
- public void nodeConnectorUpdated(String containerName, NodeConnector p,
- UpdateType t) {
- if (this.containerMap == null) {
- logger.error("containerMap is NULL");
- return;
- }
- List<String> containers = this.containerMap.get(p);
- if (containers == null) {
- containers = new CopyOnWriteArrayList<String>();
- }
- boolean updateMap = false;
- switch (t) {
- case ADDED:
- if (!containers.contains(containerName)) {
- containers.add(containerName);
- updateMap = true;
- }
- break;
- case REMOVED:
- if (containers.contains(containerName)) {
- containers.remove(containerName);
- updateMap = true;
- }
- break;
- case CHANGED:
- break;
- }
- if (updateMap) {
- if (containers.isEmpty()) {
- // Do cleanup to reduce memory footprint if no
- // elements to be tracked
- this.containerMap.remove(p);
- } else {
- this.containerMap.put(p, containers);
- }
- }
-
- // notify InventoryService
- notifyInventoryShimInternalListener(containerName, p, t, null);
- }
-
- private void notifyInventoryShimExternalListener(Node node,
- UpdateType type, Set<Property> props) {
- for (IInventoryShimExternalListener s : this.inventoryShimExternalListeners) {
- s.updateNode(node, type, props);
- }
- }
-
- private void notifyInventoryShimExternalListener(
- NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
- for (IInventoryShimExternalListener s : this.inventoryShimExternalListeners) {
- s.updateNodeConnector(nodeConnector, type, props);
- }
- }
-
- private void notifyInventoryShimInternalListener(String container,
- NodeConnector nodeConnector, UpdateType type, Set<Property> props) {
- IInventoryShimInternalListener inventoryShimInternalListener = inventoryShimInternalListeners
- .get(container);
- if (inventoryShimInternalListener != null) {
- inventoryShimInternalListener.updateNodeConnector(nodeConnector,
- type, props);
- logger.trace(
- "notifyInventoryShimInternalListener {} type {} for container {}",
- nodeConnector, type, container);
- }
- }
-
- /*
- * Notify all internal and external listeners
- */
- private void notifyInventoryShimListener(NodeConnector nodeConnector,
- UpdateType type, Set<Property> props) {
- // Always notify default InventoryService. Store properties in default
- // one.
- notifyInventoryShimInternalListener(GlobalConstants.DEFAULT.toString(),
- nodeConnector, type, props);
-
- // Now notify other containers
- List<String> containers = containerMap.get(nodeConnector);
- if (containers != null) {
- for (String container : containers) {
- // no property stored in container components.
- notifyInventoryShimInternalListener(container, nodeConnector,
- type, null);
- }
- }
-
- // Notify DiscoveryService
- notifyInventoryShimExternalListener(nodeConnector, type, props);
- }
-
- /*
- * Notify all internal and external listeners
- */
- private void notifyInventoryShimListener(Node node, UpdateType type,
- Set<Property> props) {
- switch (type) {
- case ADDED:
- // Notify only the default Inventory Service
- IInventoryShimInternalListener inventoryShimDefaultListener = inventoryShimInternalListeners
- .get(GlobalConstants.DEFAULT.toString());
- if (inventoryShimDefaultListener != null) {
- inventoryShimDefaultListener.updateNode(node, type, props);
- }
- break;
- case REMOVED:
- // Notify all Inventory Service containers
- for (IInventoryShimInternalListener inventoryShimInternalListener : inventoryShimInternalListeners
- .values()) {
- inventoryShimInternalListener.updateNode(node, type, null);
- }
- break;
- default:
- break;
- }
-
- // Notify external listener
- notifyInventoryShimExternalListener(node, type, props);
- }
-
- private void addNode(ISwitch sw) {
- Node node;
- try {
- node = new Node(NodeIDType.OPENFLOW, sw.getId());
- } catch (ConstructionException e) {
- logger.error("{}", e.getMessage());
- return;
- }
-
- UpdateType type = UpdateType.ADDED;
-
- Set<Property> props = new HashSet<Property>();
- Long sid = (Long) node.getID();
-
- Date connectedSince = controller.getSwitches().get(sid)
- .getConnectedDate();
- Long connectedSinceTime = (connectedSince == null) ? 0 : connectedSince
- .getTime();
- props.add(new TimeStamp(connectedSinceTime, "connectedSince"));
-
- byte tables = sw.getTables();
- Tables t = new Tables(tables);
- if (t != null) {
- props.add(t);
- }
- int cap = sw.getCapabilities();
- Capabilities c = new Capabilities(cap);
- if (c != null) {
- props.add(c);
- }
- int act = sw.getActions();
- Actions a = new Actions(act);
- if (a != null) {
- props.add(a);
- }
- int buffers = sw.getBuffers();
- Buffers b = new Buffers(buffers);
- if (b != null) {
- props.add(b);
- }
- // Notify all internal and external listeners
- notifyInventoryShimListener(node, type, props);
- }
-
- private void removeNode(ISwitch sw) {
- Node node;
- try {
- node = new Node(NodeIDType.OPENFLOW, sw.getId());
- } catch (ConstructionException e) {
- logger.error("{}", e.getMessage());
- return;
- }
-
- UpdateType type = UpdateType.REMOVED;
-
- // Notify all internal and external listeners
- notifyInventoryShimListener(node, type, null);
- }
-
- private void startService() {
- // Get a snapshot of all the existing switches
- Map<Long, ISwitch> switches = this.controller.getSwitches();
- for (ISwitch sw : switches.values()) {
- switchAdded(sw);
- }
- }
-}
Code Review / controller.git / blobdiff