2 * Copyright (C) 2013 Red Hat, Inc.
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
8 * Authors : Madhu Venugopal, Brent Salisbury
10 package org.opendaylight.ovsdb.openstack.netvirt;
12 import org.opendaylight.neutron.spi.INeutronPortAware;
13 import org.opendaylight.neutron.spi.NeutronPort;
14 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
15 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
16 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbConnectionService;
17 import org.opendaylight.ovsdb.openstack.netvirt.impl.MdsalUtils;
18 import org.opendaylight.ovsdb.openstack.netvirt.impl.NeutronL3Adapter;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
25 import java.net.HttpURLConnection;
26 import java.util.List;
29 * Handle requests for Neutron Port.
31 public class PortHandler extends AbstractHandler implements INeutronPortAware {
32 static final Logger logger = LoggerFactory.getLogger(PortHandler.class);
34 // The implementation for each of these services is resolved by the OSGi Service Manager
35 private volatile OvsdbConnectionService connectionService;
36 private volatile NeutronL3Adapter neutronL3Adapter;
39 * Invoked when a port creation is requested
40 * to indicate if the specified port can be created.
42 * @param port An instance of proposed new Port object.
43 * @return A HTTP status code to the creation request.
46 public int canCreatePort(NeutronPort port) {
47 return HttpURLConnection.HTTP_OK;
51 * Invoked to take action after a port has been created.
53 * @param port An instance of new Neutron Port object.
56 public void neutronPortCreated(NeutronPort neutronPort) {
57 enqueueEvent(new NorthboundEvent(neutronPort, Action.ADD));
59 private void doNeutronPortCreated(NeutronPort neutronPort) {
60 logger.debug(" Port-ADD successful for tenant-id - {}," +
61 " network-id - {}, port-id - {}",
62 neutronPort.getTenantID(), neutronPort.getNetworkUUID(),
64 neutronL3Adapter.handleNeutronPortEvent(neutronPort, Action.ADD);
68 * Invoked when a port update is requested
69 * to indicate if the specified port can be changed
70 * using the specified delta.
72 * @param delta Updates to the port object using patch semantics.
73 * @param original An instance of the Neutron Port object
75 * @return A HTTP status code to the update request.
78 public int canUpdatePort(NeutronPort delta,
79 NeutronPort original) {
80 return HttpURLConnection.HTTP_OK;
84 * Invoked to take action after a port has been updated.
86 * @param port An instance of modified Neutron Port object.
89 public void neutronPortUpdated(NeutronPort neutronPort) {
90 enqueueEvent(new NorthboundEvent(neutronPort, Action.UPDATE));
92 private void doNeutronPortUpdated(NeutronPort neutronPort) {
93 logger.debug("Handling neutron update port " + neutronPort);
94 neutronL3Adapter.handleNeutronPortEvent(neutronPort, Action.UPDATE);
98 * Invoked when a port deletion is requested
99 * to indicate if the specified port can be deleted.
101 * @param port An instance of the Neutron Port object to be deleted.
102 * @return A HTTP status code to the deletion request.
105 public int canDeletePort(NeutronPort port) {
106 return HttpURLConnection.HTTP_OK;
110 * Invoked to take action after a port has been deleted.
112 * @param neutronPort An instance of deleted Neutron Port object.
115 public void neutronPortDeleted(NeutronPort neutronPort) {
116 enqueueEvent(new NorthboundEvent(neutronPort, Action.DELETE));
118 private void doNeutronPortDeleted(NeutronPort neutronPort) {
119 logger.debug("Handling neutron delete port " + neutronPort);
120 neutronL3Adapter.handleNeutronPortEvent(neutronPort, Action.DELETE);
122 List<Node> nodes = connectionService.getNodes();
123 for (Node node : nodes) {
125 List<OvsdbTerminationPointAugmentation> ports = MdsalUtils.getPorts(node);
126 for (OvsdbTerminationPointAugmentation port : ports) {
127 String neutronPortId =
128 MdsalUtils.getInterfaceExternalIdsValue(port, Constants.EXTERNAL_ID_INTERFACE_ID);
129 if (neutronPortId != null && neutronPortId.equalsIgnoreCase(neutronPort.getPortUUID())) {
130 logger.trace("neutronPortDeleted: Delete interface {}", port.getName());
131 MdsalUtils.deletePort(node, port.getName());
135 } catch (Exception e) {
136 logger.error("Exception during handlingNeutron port delete", e);
139 logger.debug(" PORT delete successful for tenant-id - {}, " +
140 " network-id - {}, port-id - {}",
141 neutronPort.getTenantID(), neutronPort.getNetworkUUID(),
142 neutronPort.getID());
148 * @param abstractEvent the {@link org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent} event to be handled.
149 * @see EventDispatcher
152 public void processEvent(AbstractEvent abstractEvent) {
153 if (!(abstractEvent instanceof NorthboundEvent)) {
154 logger.error("Unable to process abstract event " + abstractEvent);
157 NorthboundEvent ev = (NorthboundEvent) abstractEvent;
158 switch (ev.getAction()) {
160 doNeutronPortCreated(ev.getPort());
163 doNeutronPortDeleted(ev.getPort());
166 doNeutronPortUpdated(ev.getPort());
169 logger.warn("Unable to process event action " + ev.getAction());