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/*
* Copyright 2014 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.olt;
import com.google.common.base.Strings;
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.Modified;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.onlab.packet.VlanId;
import org.onlab.util.Tools;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.onosproject.net.device.DeviceEvent;
import org.onosproject.net.device.DeviceListener;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flowobjective.DefaultForwardingObjective;
import org.onosproject.net.flowobjective.FlowObjectiveService;
import org.onosproject.net.flowobjective.ForwardingObjective;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import java.util.Dictionary;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Sample mobility application. Cleans up flowmods when a host moves.
*/
@Component(immediate = true)
public class OLT {
private final Logger log = getLogger(getClass());
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected FlowObjectiveService flowObjectiveService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected DeviceService deviceService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected CoreService coreService;
private final DeviceListener deviceListener = new InternalDeviceListener();
private ApplicationId appId;
public static final int OFFSET = 200;
public static final int UPLINK_PORT = 129;
public static final int GFAST_UPLINK_PORT = 100;
public static final String OLT_DEVICE = "of:90e2ba82f97791e9";
public static final String GFAST_DEVICE = "of:0011223344551357";
@Property(name = "uplinkPort", intValue = UPLINK_PORT,
label = "The OLT's uplink port number")
private int uplinkPort = UPLINK_PORT;
@Property(name = "gfastUplink", intValue = GFAST_UPLINK_PORT,
label = "The OLT's uplink port number")
private int gfastUplink = GFAST_UPLINK_PORT;
//TODO: replace this with an annotation lookup
@Property(name = "oltDevice", value = OLT_DEVICE,
label = "The OLT device id")
private String oltDevice = OLT_DEVICE;
@Property(name = "gfastDevice", value = GFAST_DEVICE,
label = "The gfast device id")
private String gfastDevice = GFAST_DEVICE;
@Activate
public void activate() {
appId = coreService.registerApplication("org.onosproject.olt");
/*deviceService.addListener(deviceListener);
deviceService.getPorts(DeviceId.deviceId(oltDevice)).stream().forEach(
port -> {
if (!port.number().isLogical() && port.isEnabled()) {
short vlanId = fetchVlanId(port.number());
if (vlanId > 0) {
provisionVlanOnPort(oltDevice, uplinkPort, port.number(), (short) 7);
provisionVlanOnPort(oltDevice, uplinkPort, port.number(), vlanId);
}
}
}
);*/
deviceService.getPorts(DeviceId.deviceId(gfastDevice)).stream()
.filter(port -> !port.number().isLogical())
.filter(Port::isEnabled)
.forEach(port -> {
short vlanId = (short) (fetchVlanId(port.number()) + OFFSET);
if (vlanId > 0) {
provisionVlanOnPort(gfastDevice, gfastUplink, port.number(), vlanId);
}
}
);
log.info("Started with Application ID {}", appId.id());
}
@Deactivate
public void deactivate() {
log.info("Stopped");
}
@Modified
public void modified(ComponentContext context) {
Dictionary<?, ?> properties = context.getProperties();
String s = Tools.get(properties, "uplinkPort");
uplinkPort = Strings.isNullOrEmpty(s) ? UPLINK_PORT : Integer.parseInt(s);
s = Tools.get(properties, "oltDevice");
oltDevice = Strings.isNullOrEmpty(s) ? OLT_DEVICE : s;
}
private short fetchVlanId(PortNumber port) {
long p = port.toLong() + OFFSET;
if (p > 4095) {
log.warn("Port Number {} exceeds vlan max", port);
return -1;
}
return (short) p;
}
private void provisionVlanOnPort(String deviceId, int uplinkPort, PortNumber p, short vlanId) {
DeviceId did = DeviceId.deviceId(deviceId);
TrafficSelector upstream = DefaultTrafficSelector.builder()
.matchVlanId(VlanId.vlanId(vlanId))
.matchInPort(p)
.build();
TrafficSelector downStream = DefaultTrafficSelector.builder()
.matchVlanId(VlanId.vlanId(vlanId))
.matchInPort(PortNumber.portNumber(uplinkPort))
.build();
TrafficTreatment upstreamTreatment = DefaultTrafficTreatment.builder()
.setOutput(PortNumber.portNumber(uplinkPort))
.build();
TrafficTreatment downStreamTreatment = DefaultTrafficTreatment.builder()
.setOutput(p)
.build();
ForwardingObjective upFwd = DefaultForwardingObjective.builder()
.withFlag(ForwardingObjective.Flag.VERSATILE)
.withPriority(1000)
.makePermanent()
.withSelector(upstream)
.fromApp(appId)
.withTreatment(upstreamTreatment)
.add();
ForwardingObjective downFwd = DefaultForwardingObjective.builder()
.withFlag(ForwardingObjective.Flag.VERSATILE)
.withPriority(1000)
.makePermanent()
.withSelector(downStream)
.fromApp(appId)
.withTreatment(downStreamTreatment)
.add();
flowObjectiveService.forward(did, upFwd);
flowObjectiveService.forward(did, downFwd);
}
private class InternalDeviceListener implements DeviceListener {
@Override
public void event(DeviceEvent event) {
DeviceId devId = DeviceId.deviceId(oltDevice);
switch (event.type()) {
case PORT_ADDED:
case PORT_UPDATED:
if (devId.equals(event.subject().id()) && event.port().isEnabled()) {
short vlanId = fetchVlanId(event.port().number());
provisionVlanOnPort(gfastDevice, uplinkPort, event.port().number(), vlanId);
}
break;
case DEVICE_ADDED:
case DEVICE_UPDATED:
case DEVICE_REMOVED:
case DEVICE_SUSPENDED:
case DEVICE_AVAILABILITY_CHANGED:
case PORT_REMOVED:
case PORT_STATS_UPDATED:
default:
return;
}
}
}
}
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