Marc De Leenheer
Committed by Yuta HIGUCHI

Lambda queries don't rely on driver state, and have separate package.

Lambda query returns unsorted set.

fix for ONOS-3620

Change-Id: Ifffd03271f9c8c02be8897c3891c80148342757e
......@@ -21,7 +21,7 @@ import org.onosproject.net.OchSignal;
import org.onosproject.net.PortNumber;
import org.onosproject.net.driver.HandlerBehaviour;
import java.util.SortedSet;
import java.util.Set;
/**
* A HandlerBehaviour to retrieve available wavelength resources.
......@@ -29,12 +29,11 @@ import java.util.SortedSet;
@Beta
public interface LambdaQuery extends HandlerBehaviour {
// Currently returns set of FLEX GridType ochSignal instances
/**
* Returns set of Lambda instances which can be used at the port.
* Returns set of OchSignal instances which can be used at the port.
*
* @param port to be checked for the available resources.
* @return Set of OchSignals which can be used at the port.
* @return set of OchSignals which can be used at the port.
*/
SortedSet<OchSignal> queryLambdas(PortNumber port);
Set<OchSignal> queryLambdas(PortNumber port);
}
......
......@@ -20,7 +20,6 @@ import com.google.common.collect.Lists;
import org.onlab.packet.MplsLabel;
import org.onlab.packet.VlanId;
import org.onlab.util.ItemNotFoundException;
import org.onosproject.net.DefaultOchSignalComparator;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Port;
......@@ -46,7 +45,6 @@ import org.slf4j.LoggerFactory;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.concurrent.ExecutorService;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
......@@ -150,7 +148,7 @@ final class ResourceDeviceListener implements DeviceListener {
}
// for Lambdas
SortedSet<OchSignal> lambdas = queryLambdas(device.id(), port.number());
Set<OchSignal> lambdas = queryLambdas(device.id(), port.number());
if (!lambdas.isEmpty()) {
adminService.registerResources(lambdas.stream()
.map(portPath::child)
......@@ -188,28 +186,28 @@ final class ResourceDeviceListener implements DeviceListener {
executor.submit(() -> adminService.unregisterResources(resource));
}
private SortedSet<OchSignal> queryLambdas(DeviceId did, PortNumber port) {
private Set<OchSignal> queryLambdas(DeviceId did, PortNumber port) {
try {
// DriverHandler does not provide a way to check if a
// behaviour is supported.
Driver driver = driverService.getDriver(did);
if (driver == null || !driver.hasBehaviour(LambdaQuery.class)) {
return Collections.emptySortedSet();
return Collections.emptySet();
}
DriverHandler handler = driverService.createHandler(did);
if (handler == null) {
return Collections.emptySortedSet();
return Collections.emptySet();
}
LambdaQuery query = handler.behaviour(LambdaQuery.class);
if (query != null) {
return query.queryLambdas(port).stream()
.flatMap(x -> OchSignal.toFlexGrid(x).stream())
.collect(Collectors.toCollection(DefaultOchSignalComparator::newOchSignalTreeSet));
.collect(Collectors.toSet());
} else {
return Collections.emptySortedSet();
return Collections.emptySet();
}
} catch (ItemNotFoundException e) {
return Collections.emptySortedSet();
return Collections.emptySet();
}
}
......
......@@ -17,14 +17,7 @@ package org.onosproject.driver.handshaker;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import org.onlab.util.Spectrum;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.DefaultOchSignalComparator;
import org.onosproject.net.Device;
import org.onosproject.net.GridType;
import org.onosproject.net.OchSignal;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.LambdaQuery;
import org.onosproject.openflow.controller.OpenFlowOpticalSwitch;
import org.onosproject.openflow.controller.PortDescPropertyType;
import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch;
......@@ -48,10 +41,7 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* Driver for Calient S160 Optical Circuit Switch. Untested on Calient S320 but probably works ok.
......@@ -59,12 +49,9 @@ import java.util.stream.IntStream;
* Driver implements custom handshaker, and rewrites flow stats as expected by the device. Port stats are currently
* not supported.
*
* The device consists of OMS ports only, and each port exposes lambda resources covering the whole
* usable optical spectrum (U to O band, see {@link Spectrum} for spectrum definitions).
* The device consists of OMS ports only.
*/
public class CalientFiberSwitchHandshaker
extends AbstractOpenFlowSwitch
implements OpenFlowOpticalSwitch, LambdaQuery {
public class CalientFiberSwitchHandshaker extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch {
private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false);
private List<OFCalientPortDescStatsEntry> fiberPorts = new ArrayList<>();
......@@ -198,20 +185,4 @@ public class CalientFiberSwitchHandshaker
super.sendMsg(newMsg);
}
@Override
public SortedSet<OchSignal> queryLambdas(PortNumber port) {
// S160 data sheet
// Wavelength range: 1260 - 1630 nm
long startSpacingMultiplier = Spectrum.U_BAND_MIN.subtract(Spectrum.CENTER_FREQUENCY).asHz() /
ChannelSpacing.CHL_12P5GHZ.frequency().asHz();
long stopSpacingMultiplier = Spectrum.O_BAND_MAX.subtract(Spectrum.CENTER_FREQUENCY).asHz() /
ChannelSpacing.CHL_12P5GHZ.frequency().asHz();
// Only consider odd values for the multiplier (for easy mapping to fixed grid)
return IntStream.rangeClosed((int) startSpacingMultiplier, (int) stopSpacingMultiplier)
.filter(i -> i % 2 == 1)
.mapToObj(i -> new OchSignal(GridType.FLEX, ChannelSpacing.CHL_6P25GHZ, i, 1))
.collect(Collectors.toCollection(DefaultOchSignalComparator::newOchSignalTreeSet));
}
}
......
......@@ -16,13 +16,7 @@
package org.onosproject.driver.handshaker;
import com.google.common.collect.ImmutableSet;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.DefaultOchSignalComparator;
import org.onosproject.net.Device;
import org.onosproject.net.GridType;
import org.onosproject.net.OchSignal;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.LambdaQuery;
import org.onosproject.openflow.controller.OpenFlowOpticalSwitch;
import org.onosproject.openflow.controller.PortDescPropertyType;
import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch;
......@@ -56,10 +50,7 @@ import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* LINC-OE Optical Emulator switch class.
......@@ -72,14 +63,9 @@ import java.util.stream.IntStream;
*
* As LINC implements custom OF optical extensions (in contrast to the final standard as specified in
* ONF TS-022 (March 15, 2015), we need to rewrite flow stat requests and flow mods in {@link #sendMsg(OFMessage)}.
*
* LINC exposes OchSignal resources: 80 lambdas of 50 GHz (fixed grid) around ITU-T G.694.1 center frequency 193.1 GHz.
*
*/
public class OfOpticalSwitchImplLinc13
extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch, LambdaQuery {
public class OfOpticalSwitchImplLinc13 extends AbstractOpenFlowSwitch implements OpenFlowOpticalSwitch {
private static final int LAMBDA_COUNT = 80;
private final AtomicBoolean driverHandshakeComplete = new AtomicBoolean(false);
private long barrierXidToWaitFor = -1;
......@@ -361,17 +347,4 @@ public class OfOpticalSwitchImplLinc13
public Set<PortDescPropertyType> getPortTypes() {
return ImmutableSet.of(PortDescPropertyType.OPTICAL_TRANSPORT);
}
@Override
public SortedSet<OchSignal> queryLambdas(PortNumber port) {
// OCh ports don't have lambdas
if (isOChPort(port.toLong())) {
return Collections.emptySortedSet();
}
// OMS ports expose 80 fixed grid lambdas of 50GHz width, centered around the ITU-T center frequency 193.1 THz.
return IntStream.range(0, LAMBDA_COUNT)
.mapToObj(x -> new OchSignal(GridType.DWDM, ChannelSpacing.CHL_50GHZ, x - (LAMBDA_COUNT / 2), 4))
.collect(Collectors.toCollection(DefaultOchSignalComparator::newOchSignalTreeSet));
}
}
......
/*
* 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.driver.query;
import org.onlab.util.Spectrum;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.GridType;
import org.onosproject.net.OchSignal;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.LambdaQuery;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* Lambda query implementation for Calient S160 and S320 Optical Circuit Switch.
*
* The device consists of OMS ports only, and each port exposes lambda resources covering the whole
* usable optical spectrum (U to O band, see {@link Spectrum} for spectrum definitions).
*/
public class CalientLambdaQuery extends AbstractHandlerBehaviour implements LambdaQuery {
@Override
public Set<OchSignal> queryLambdas(PortNumber port) {
// S160 data sheet
// Wavelength range: 1260 - 1630 nm
long startSpacingMultiplier = Spectrum.U_BAND_MIN.subtract(Spectrum.CENTER_FREQUENCY).asHz() /
ChannelSpacing.CHL_12P5GHZ.frequency().asHz();
long stopSpacingMultiplier = Spectrum.O_BAND_MAX.subtract(Spectrum.CENTER_FREQUENCY).asHz() /
ChannelSpacing.CHL_12P5GHZ.frequency().asHz();
// Only consider odd values for the multiplier (for easy mapping to fixed grid)
return IntStream.rangeClosed((int) startSpacingMultiplier, (int) stopSpacingMultiplier)
.filter(i -> i % 2 == 1)
.mapToObj(i -> new OchSignal(GridType.FLEX, ChannelSpacing.CHL_6P25GHZ, i, 1))
.collect(Collectors.toSet());
}
}
/*
* 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.driver.query;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.GridType;
import org.onosproject.net.OchSignal;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.LambdaQuery;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import java.util.Collections;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
/**
* Lambda query implementation for LINC-OE Optical Emulator switch.
*
* The LINC ROADM emulator exposes two types of ports: OCh ports connect to ports in the packet layer,
* while OMS ports connect to an OMS port on a neighbouring ROADM.
*
* LINC exposes OchSignal resources: 80 lambdas of 50 GHz (fixed grid) around ITU-T G.694.1 center frequency 193.1 GHz.
*/
public class LincOELambdaQuery extends AbstractHandlerBehaviour implements LambdaQuery {
private static final int LAMBDA_COUNT = 80;
@Override
public Set<OchSignal> queryLambdas(PortNumber port) {
DeviceService deviceService = this.handler().get(DeviceService.class);
Port p = deviceService.getPort(this.data().deviceId(), port);
// OCh ports don't expose lambda resources
if (!p.type().equals(Port.Type.OMS)) {
return Collections.emptySet();
}
// OMS ports expose 80 fixed grid lambdas of 50GHz width, centered around the ITU-T center frequency 193.1 THz.
return IntStream.range(0, LAMBDA_COUNT)
.mapToObj(x -> new OchSignal(GridType.DWDM, ChannelSpacing.CHL_50GHZ, x - (LAMBDA_COUNT / 2), 4))
.collect(Collectors.toSet());
}
}
......@@ -15,6 +15,6 @@
*/
/**
* Implementations of the query driver behaviours.
* Implementations of the resource query behaviours.
*/
package org.onosproject.driver.query;
......
......@@ -85,7 +85,7 @@
<behaviour api="org.onosproject.openflow.controller.driver.OpenFlowSwitchDriver"
impl="org.onosproject.driver.handshaker.OfOpticalSwitchImplLinc13"/>
<behaviour api="org.onosproject.net.behaviour.LambdaQuery"
impl="org.onosproject.driver.handshaker.OfOpticalSwitchImplLinc13"/>
impl="org.onosproject.driver.query.LincOELambdaQuery"/>
</driver>
<driver name="corsa"
manufacturer="Corsa" hwVersion="Corsa Element" swVersion="2.3.1">
......@@ -162,7 +162,7 @@
<behaviour api="org.onosproject.openflow.controller.driver.OpenFlowSwitchDriver"
impl="org.onosproject.driver.handshaker.CalientFiberSwitchHandshaker"/>
<behaviour api="org.onosproject.net.behaviour.LambdaQuery"
impl="org.onosproject.driver.handshaker.CalientFiberSwitchHandshaker"/>
impl="org.onosproject.driver.query.CalientLambdaQuery"/>
</driver>
<driver name="onosfw" extends="ovs"
manufacturer="" hwVersion="" swVersion="">
......