DefaultGroupHandlerApp.java
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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.grouphandler;
import static org.slf4j.LoggerFactory.getLogger;
import java.net.URI;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onlab.packet.MacAddress;
import org.onlab.util.KryoNamespace;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.mastership.MastershipService;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.MastershipRole;
import org.onosproject.net.device.DeviceEvent;
import org.onosproject.net.device.DeviceListener;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.group.GroupService;
import org.onosproject.net.link.LinkEvent;
import org.onosproject.net.link.LinkListener;
import org.onosproject.net.link.LinkService;
import org.onosproject.net.topology.TopologyService;
import org.slf4j.Logger;
/**
* Sample application to verify group subsystem end to end.
* This application expects a network of maximum of six connected
* devices for the test to work. For every device in the network,
* this test application launches a default group handler function
* that creates ECMP groups for every neighbor the device is
* connected to.
*/
@Component(immediate = true)
public class DefaultGroupHandlerApp {
private final Logger log = getLogger(getClass());
private final DeviceProperties config = new DeviceConfiguration();
private ApplicationId appId;
private HashMap<DeviceId, DefaultGroupHandler> dghMap =
new HashMap<DeviceId, DefaultGroupHandler>();
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected TopologyService topologyService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceService deviceService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected LinkService linkService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected GroupService groupService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected CoreService coreService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected MastershipService mastershipService;
private DeviceListener deviceListener = new InternalDeviceListener();
private LinkListener linkListener = new InternalLinkListener();
protected KryoNamespace.Builder kryo = new KryoNamespace.Builder()
.register(URI.class)
.register(HashSet.class)
.register(DeviceId.class)
.register(NeighborSet.class);
@Activate
public void activate() {
appId = coreService.registerApplication("org.onosproject.defaultgrouphandler");
log.info("DefaultGroupHandlerApp Activating");
deviceService.addListener(deviceListener);
linkService.addListener(linkListener);
for (Device device: deviceService.getDevices()) {
if (mastershipService.
getLocalRole(device.id()) == MastershipRole.MASTER) {
log.debug("Initiating default group handling for {}", device.id());
DefaultGroupHandler dgh = DefaultGroupHandler.createGroupHandler(device.id(),
appId,
config,
linkService,
groupService);
dgh.createGroups();
dghMap.put(device.id(), dgh);
} else {
log.debug("Activate: Local role {} "
+ "is not MASTER for device {}",
mastershipService.
getLocalRole(device.id()),
device.id());
}
}
log.info("Activated");
}
@Deactivate
public void deactivate() {
dghMap.clear();
}
public class DeviceConfiguration implements DeviceProperties {
private final List<Integer> allSegmentIds =
Arrays.asList(101, 102, 103, 104, 105, 106);
private HashMap<DeviceId, Integer> deviceSegmentIdMap =
new HashMap<DeviceId, Integer>() {
{
put(DeviceId.deviceId("of:0000000000000001"), 101);
put(DeviceId.deviceId("of:0000000000000002"), 102);
put(DeviceId.deviceId("of:0000000000000003"), 103);
put(DeviceId.deviceId("of:0000000000000004"), 104);
put(DeviceId.deviceId("of:0000000000000005"), 105);
put(DeviceId.deviceId("of:0000000000000006"), 106);
}
};
private final HashMap<DeviceId, MacAddress> deviceMacMap =
new HashMap<DeviceId, MacAddress>() {
{
put(DeviceId.deviceId("of:0000000000000001"),
MacAddress.valueOf("00:00:00:00:00:01"));
put(DeviceId.deviceId("of:0000000000000002"),
MacAddress.valueOf("00:00:00:00:00:02"));
put(DeviceId.deviceId("of:0000000000000003"),
MacAddress.valueOf("00:00:00:00:00:03"));
put(DeviceId.deviceId("of:0000000000000004"),
MacAddress.valueOf("00:00:00:00:00:04"));
put(DeviceId.deviceId("of:0000000000000005"),
MacAddress.valueOf("00:00:00:00:00:05"));
put(DeviceId.deviceId("of:0000000000000006"),
MacAddress.valueOf("00:00:00:00:00:06"));
}
};
@Override
public int getSegmentId(DeviceId deviceId) {
if (deviceSegmentIdMap.get(deviceId) != null) {
log.debug("getSegmentId for device{} is {}",
deviceId,
deviceSegmentIdMap.get(deviceId));
return deviceSegmentIdMap.get(deviceId);
} else {
throw new IllegalStateException();
}
}
@Override
public MacAddress getDeviceMac(DeviceId deviceId) {
if (deviceMacMap.get(deviceId) != null) {
log.debug("getDeviceMac for device{} is {}",
deviceId,
deviceMacMap.get(deviceId));
return deviceMacMap.get(deviceId);
} else {
throw new IllegalStateException();
}
}
@Override
public boolean isEdgeDevice(DeviceId deviceId) {
return true;
}
@Override
public List<Integer> getAllDeviceSegmentIds() {
return allSegmentIds;
}
}
private class InternalDeviceListener implements DeviceListener {
@Override
public void event(DeviceEvent event) {
if (mastershipService.
getLocalRole(event.subject().id()) != MastershipRole.MASTER) {
log.debug("Local role {} is not MASTER for device {}",
mastershipService.
getLocalRole(event.subject().id()),
event.subject().id());
return;
}
switch (event.type()) {
case DEVICE_ADDED:
log.debug("Initiating default group handling for {}", event.subject().id());
DefaultGroupHandler dgh = DefaultGroupHandler.createGroupHandler(
event.subject().id(),
appId,
config,
linkService,
groupService);
dgh.createGroups();
dghMap.put(event.subject().id(), dgh);
break;
case PORT_REMOVED:
if (dghMap.get(event.subject().id()) != null) {
dghMap.get(event.subject().id()).portDown(event.port().number());
}
break;
default:
break;
}
}
}
private class InternalLinkListener implements LinkListener {
@Override
public void event(LinkEvent event) {
if (mastershipService.
getLocalRole(event.subject().src().deviceId()) !=
MastershipRole.MASTER) {
log.debug("InternalLinkListener: Local role {} "
+ "is not MASTER for device {}",
mastershipService.
getLocalRole(event.subject().src().deviceId()),
event.subject().src().deviceId());
return;
}
switch (event.type()) {
case LINK_ADDED:
if (dghMap.get(event.subject().src().deviceId()) != null) {
dghMap.get(event.subject().src().deviceId()).linkUp(event.subject());
}
break;
default:
break;
}
}
}
}