| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.provider.pcep.tunnel.impl; |
| |
| import com.google.common.collect.Maps; |
| |
| 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.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.GroupId; |
| import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| import org.onosproject.incubator.net.tunnel.DefaultLabelStack; |
| import org.onosproject.incubator.net.tunnel.DefaultOpticalTunnelEndPoint; |
| import org.onosproject.incubator.net.tunnel.DefaultTunnel; |
| import org.onosproject.incubator.net.tunnel.DefaultTunnelDescription; |
| import org.onosproject.incubator.net.tunnel.DefaultTunnelStatistics; |
| import org.onosproject.incubator.net.tunnel.IpTunnelEndPoint; |
| import org.onosproject.incubator.net.tunnel.OpticalLogicId; |
| import org.onosproject.incubator.net.tunnel.OpticalTunnelEndPoint; |
| import org.onosproject.incubator.net.tunnel.Tunnel; |
| import org.onosproject.incubator.net.tunnel.Tunnel.State; |
| import org.onosproject.incubator.net.tunnel.TunnelAdminService; |
| import org.onosproject.incubator.net.tunnel.TunnelDescription; |
| import org.onosproject.incubator.net.tunnel.TunnelEndPoint; |
| import org.onosproject.incubator.net.tunnel.TunnelId; |
| import org.onosproject.incubator.net.tunnel.TunnelName; |
| import org.onosproject.incubator.net.tunnel.TunnelProvider; |
| import org.onosproject.incubator.net.tunnel.TunnelProviderRegistry; |
| import org.onosproject.incubator.net.tunnel.TunnelProviderService; |
| import org.onosproject.incubator.net.tunnel.TunnelService; |
| import org.onosproject.incubator.net.tunnel.TunnelStatistics; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DefaultAnnotations.Builder; |
| import org.onosproject.net.DefaultLink; |
| import org.onosproject.net.DefaultPath; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.IpElementId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetworkResource; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.SparseAnnotations; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.link.LinkService; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.pcep.api.PcepController; |
| import org.onosproject.pcep.api.PcepDpid; |
| import org.onosproject.pcep.api.PcepHopNodeDescription; |
| import org.onosproject.pcep.api.PcepOperator.OperationType; |
| import org.onosproject.pcep.api.PcepTunnel; |
| import org.onosproject.pcep.api.PcepTunnel.PathState; |
| import org.onosproject.pcep.api.PcepTunnel.PathType; |
| import org.onosproject.pcep.api.PcepTunnelListener; |
| import org.onosproject.pcep.api.PcepTunnelStatistics; |
| import org.onosproject.pcep.controller.LspKey; |
| import org.onosproject.pcep.controller.LspType; |
| import org.onosproject.pcep.controller.PccId; |
| import org.onosproject.pcep.controller.PcepClient; |
| import org.onosproject.pcep.controller.PcepClientController; |
| import org.onosproject.pcep.controller.PcepClientListener; |
| import org.onosproject.pcep.controller.PcepEventListener; |
| import org.onosproject.pcep.controller.PcepLspStatus; |
| import org.onosproject.pcep.controller.PcepLspSyncAction; |
| import org.onosproject.pcep.controller.SrpIdGenerators; |
| import org.onosproject.pcep.controller.PcepSyncStatus; |
| import org.onosproject.pcepio.exceptions.PcepParseException; |
| import org.onosproject.pcepio.protocol.PcInitiatedLspRequest; |
| import org.onosproject.pcepio.protocol.PcepAttribute; |
| import org.onosproject.pcepio.protocol.PcepBandwidthObject; |
| import org.onosproject.pcepio.protocol.PcepEndPointsObject; |
| import org.onosproject.pcepio.protocol.PcepEroObject; |
| import org.onosproject.pcepio.protocol.PcepInitiateMsg; |
| import org.onosproject.pcepio.protocol.PcepLspObject; |
| import org.onosproject.pcepio.protocol.PcepMessage; |
| import org.onosproject.pcepio.protocol.PcepMetricObject; |
| import org.onosproject.pcepio.protocol.PcepMsgPath; |
| import org.onosproject.pcepio.protocol.PcepReportMsg; |
| import org.onosproject.pcepio.protocol.PcepSrpObject; |
| import org.onosproject.pcepio.protocol.PcepStateReport; |
| import org.onosproject.pcepio.protocol.PcepUpdateMsg; |
| import org.onosproject.pcepio.protocol.PcepUpdateRequest; |
| import org.onosproject.pcepio.types.IPv4SubObject; |
| import org.onosproject.pcepio.types.PathSetupTypeTlv; |
| import org.onosproject.pcepio.types.PcepNaiIpv4Adjacency; |
| import org.onosproject.pcepio.types.PcepValueType; |
| import org.onosproject.pcepio.types.SrEroSubObject; |
| import org.onosproject.pcepio.types.StatefulIPv4LspIdentifiersTlv; |
| import org.onosproject.pcepio.types.SymbolicPathNameTlv; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Modified; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| import static org.onlab.util.Tools.get; |
| import static org.onosproject.incubator.net.tunnel.Tunnel.State.INIT; |
| import static org.onosproject.incubator.net.tunnel.Tunnel.Type.MPLS; |
| import static org.onosproject.net.DefaultAnnotations.EMPTY; |
| import static org.onosproject.net.DeviceId.deviceId; |
| import static org.onosproject.net.PortNumber.portNumber; |
| import static org.onosproject.pcep.api.PcepDpid.uri; |
| import static org.onosproject.pcep.controller.LspType.WITH_SIGNALLING; |
| import static org.onosproject.pcep.controller.LspType.SR_WITHOUT_SIGNALLING; |
| import static org.onosproject.pcep.controller.LspType.WITHOUT_SIGNALLING_AND_WITHOUT_SR; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.BANDWIDTH; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.LOCAL_LSP_ID; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.LSP_SIG_TYPE; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCC_TUNNEL_ID; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.PCE_INIT; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.PLSP_ID; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.DELEGATE; |
| import static org.onosproject.pcep.controller.PcepAnnotationKeys.COST_TYPE; |
| import static org.onosproject.provider.pcep.tunnel.impl.RequestType.CREATE; |
| import static org.onosproject.provider.pcep.tunnel.impl.RequestType.DELETE; |
| import static org.onosproject.provider.pcep.tunnel.impl.RequestType.LSP_STATE_RPT; |
| import static org.onosproject.provider.pcep.tunnel.impl.RequestType.UPDATE; |
| import static org.onosproject.incubator.net.tunnel.Tunnel.State.UNSTABLE; |
| import static org.onosproject.pcep.controller.PcepLspSyncAction.REMOVE; |
| import static org.onosproject.pcep.controller.PcepLspSyncAction.SEND_UPDATE; |
| import static org.onosproject.pcepio.protocol.ver1.PcepMetricObjectVer1.IGP_METRIC; |
| import static org.onosproject.pcepio.protocol.ver1.PcepMetricObjectVer1.TE_METRIC; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provider which uses an PCEP controller to detect, update, create network |
| * tunnels. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class PcepTunnelProvider extends AbstractProvider implements TunnelProvider { |
| |
| private static final Logger log = getLogger(PcepTunnelProvider.class); |
| private static final long MAX_BANDWIDTH = 99999744; |
| private static final long MIN_BANDWIDTH = 64; |
| private static final String BANDWIDTH_UINT = "kbps"; |
| static final String PROVIDER_ID = "org.onosproject.provider.tunnel.pcep"; |
| public static final long IDENTIFIER_SET = 0x100000000L; |
| public static final long SET = 0xFFFFFFFFL; |
| private static final int DELAY = 2; |
| private static final int WAIT_TIME = 5; |
| public static final String LSRID = "lsrId"; |
| |
| static final int POLL_INTERVAL = 10; |
| @Property(name = "tunnelStatsPollFrequency", intValue = POLL_INTERVAL, |
| label = "Frequency (in seconds) for polling tunnel statistics") |
| private int tunnelStatsPollFrequency = POLL_INTERVAL; |
| |
| private static final String TUNNLE_NOT_NULL = "Create failed,The given port may be wrong or has been occupied."; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected TunnelProviderRegistry tunnelProviderRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PcepController controller; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PcepClientController pcepClientController; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected TunnelService tunnelService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected TunnelAdminService tunnelAdminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected LinkService linkService; |
| |
| TunnelProviderService service; |
| |
| HashMap<String, TunnelId> tunnelMap = new HashMap<String, TunnelId>(); |
| HashMap<TunnelId, TunnelStatistics> tunnelStatisticsMap = new HashMap<>(); |
| private HashMap<String, TunnelStatsCollector> collectors = Maps.newHashMap(); |
| |
| private InnerTunnelProvider listener = new InnerTunnelProvider(); |
| |
| protected PcepTunnelApiMapper pcepTunnelApiMapper = new PcepTunnelApiMapper(); |
| private static final int DEFAULT_BANDWIDTH_VALUE = 10; |
| |
| /** |
| * Creates a Tunnel provider. |
| */ |
| public PcepTunnelProvider() { |
| super(new ProviderId("pcep", PROVIDER_ID)); |
| } |
| |
| @Activate |
| public void activate() { |
| cfgService.registerProperties(getClass()); |
| service = tunnelProviderRegistry.register(this); |
| controller.addTunnelListener(listener); |
| pcepClientController.addListener(listener); |
| pcepClientController.addEventListener(listener); |
| tunnelService.queryAllTunnels().forEach(tunnel -> { |
| String pcepTunnelId = getPcepTunnelKey(tunnel.tunnelId()); |
| TunnelStatsCollector tsc = new TunnelStatsCollector(pcepTunnelId, tunnelStatsPollFrequency); |
| tsc.start(); |
| collectors.put(tunnel.tunnelId().id(), tsc); |
| |
| }); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| tunnelProviderRegistry.unregister(this); |
| controller.removeTunnelListener(listener); |
| collectors.values().forEach(TunnelStatsCollector::stop); |
| pcepClientController.removeListener(listener); |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| public void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| int newTunnelStatsPollFrequency; |
| try { |
| String s = get(properties, "tunnelStatsPollFrequency"); |
| newTunnelStatsPollFrequency = isNullOrEmpty(s) ? tunnelStatsPollFrequency : Integer.parseInt(s.trim()); |
| |
| } catch (NumberFormatException | ClassCastException e) { |
| newTunnelStatsPollFrequency = tunnelStatsPollFrequency; |
| } |
| |
| if (newTunnelStatsPollFrequency != tunnelStatsPollFrequency) { |
| tunnelStatsPollFrequency = newTunnelStatsPollFrequency; |
| collectors.values().forEach(tsc -> tsc.adjustPollInterval(tunnelStatsPollFrequency)); |
| log.info("New setting: tunnelStatsPollFrequency={}", tunnelStatsPollFrequency); |
| } |
| } |
| |
| @Override |
| public void setupTunnel(Tunnel tunnel, Path path) { |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| // Get the pcc client |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpTunnelEndPoint) tunnel.src()).ip())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with ip addresss {}" |
| + ((IpTunnelEndPoint) tunnel.src()).ip().toString()); |
| return; |
| } |
| |
| //If stateful and PC Initiation capability is not supported by client not sending Initiate msg |
| //Only master will initiate setup tunnel |
| if (pc.capability().pcInstantiationCapability() && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) { |
| pcepSetupTunnel(tunnel, path, pc); |
| } |
| } |
| |
| @Override |
| public void setupTunnel(ElementId srcElement, Tunnel tunnel, Path path) { |
| |
| //TODO: tunnel which is passed doesn't have tunnelID |
| if (tunnel.annotations().value(PLSP_ID) != null) { |
| if (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) != WITHOUT_SIGNALLING_AND_WITHOUT_SR) { |
| updateTunnel(tunnel, path); |
| } else { |
| // Download labels and send update message. |
| // To get new tunnel ID (modified tunnel ID) |
| Collection<Tunnel> tunnels = tunnelService.queryTunnel(tunnel.src(), tunnel.dst()); |
| for (Tunnel t : tunnels) { |
| if (t.state().equals(INIT) && t.tunnelName().equals(tunnel.tunnelName())) { |
| tunnel = new DefaultTunnel(tunnel.providerId(), tunnel.src(), |
| tunnel.dst(), tunnel.type(), |
| t.state(), tunnel.groupId(), |
| t.tunnelId(), |
| tunnel.tunnelName(), |
| tunnel.path(), |
| tunnel.resource(), |
| tunnel.annotations()); |
| break; |
| } |
| } |
| if (!pcepClientController.allocateLocalLabel(tunnel)) { |
| log.error("Unable to allocate labels for the tunnel {}.", tunnel.toString()); |
| } |
| } |
| return; |
| } |
| |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpTunnelEndPoint) tunnel.src()).ip())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with this device {}" |
| + srcElement.toString()); |
| return; |
| } |
| |
| //If stateful and PC Initiation capability is not supported by client not sending Initiate msg |
| //Only master will initiate setup tunnel |
| if (pc.capability().pcInstantiationCapability() |
| && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) { |
| pcepSetupTunnel(tunnel, path, pc); |
| } |
| } |
| |
| @Override |
| public void releaseTunnel(Tunnel tunnel) { |
| |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpTunnelEndPoint) tunnel.src()).ip())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with ip addresss {}" |
| + ((IpTunnelEndPoint) tunnel.src()).ip().toString()); |
| return; |
| } |
| |
| //Only master will release tunnel |
| if (pc.capability().pcInstantiationCapability() |
| && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) { |
| pcepReleaseTunnel(tunnel, pc); |
| } |
| } |
| |
| @Override |
| public void releaseTunnel(ElementId srcElement, Tunnel tunnel) { |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| if (!(srcElement instanceof IpElementId)) { |
| log.error("Element id is not valid"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpElementId) srcElement).ipAddress())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with ip addresss {}" |
| + ((IpElementId) srcElement).ipAddress().toString()); |
| return; |
| } |
| |
| //Only master will release tunnel |
| if (pc.capability().pcInstantiationCapability() |
| && mastershipService.isLocalMaster(getDevice(pc.getPccId()))) { |
| pcepReleaseTunnel(tunnel, pc); |
| } |
| } |
| |
| @Override |
| public void updateTunnel(Tunnel tunnel, Path path) { |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| //To get new tunnel ID (modified tunnel ID) |
| Collection<Tunnel> tunnels = tunnelService.queryTunnel(tunnel.src(), tunnel.dst()); |
| for (Tunnel t : tunnels) { |
| if (t.state().equals(INIT) && t.tunnelName().equals(tunnel.tunnelName())) { |
| tunnel = new DefaultTunnel(tunnel.providerId(), tunnel.src(), |
| tunnel.dst(), tunnel.type(), |
| t.state(), tunnel.groupId(), |
| t.tunnelId(), |
| tunnel.tunnelName(), |
| tunnel.path(), |
| tunnel.resource(), |
| tunnel.annotations()); |
| break; |
| } |
| } |
| |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpTunnelEndPoint) tunnel.src()).ip())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with ip addresss {}" |
| + ((IpTunnelEndPoint) tunnel.src()).ip().toString()); |
| return; |
| } |
| |
| //PCInitiate tunnels are always have D flag set, else check for tunnels who are delegated via LspKey |
| if (pc.capability().statefulPceCapability()) { |
| if (tunnel.annotations().value(PCE_INIT) != null && tunnel.annotations().value(PCE_INIT).equals("true")) { |
| pcepUpdateTunnel(tunnel, path, pc); |
| } else { |
| // If delegation flag is set then only send update message[means delegated PCE can send update msg for |
| // that LSP. If annotation is null D flag is not set else it is set. |
| Short localLspId = 0; |
| for (Tunnel t : tunnels) { |
| if (!t.tunnelId().equals(tunnel.tunnelId()) && t.tunnelName().equals(tunnel.tunnelName())) { |
| localLspId = Short.valueOf(t.annotations().value(LOCAL_LSP_ID)); |
| } |
| } |
| |
| if (localLspId == 0) { |
| log.error("Local LSP ID for old tunnel not found"); |
| return; |
| } |
| |
| if (pc.delegationInfo(new LspKey(Integer.valueOf(tunnel.annotations().value(PLSP_ID)), |
| localLspId.shortValue())) != null) { |
| |
| pcepUpdateTunnel(tunnel, path, pc); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void updateTunnel(ElementId srcElement, Tunnel tunnel, Path path) { |
| |
| if (tunnel.type() != MPLS) { |
| log.error("Tunnel Type MPLS is only supported"); |
| return; |
| } |
| |
| if (!(srcElement instanceof IpElementId)) { |
| log.error("Element id is not valid"); |
| return; |
| } |
| |
| // check for tunnel end points |
| if (!(tunnel.src() instanceof IpTunnelEndPoint) || !(tunnel.dst() instanceof IpTunnelEndPoint)) { |
| log.error("Tunnel source or destination is not valid"); |
| return; |
| } |
| |
| PcepClient pc = pcepClientController.getClient(PccId.pccId(((IpElementId) srcElement).ipAddress())); |
| |
| if (!(pc instanceof PcepClient)) { |
| log.error("There is no PCC connected with ip addresss {}" |
| + ((IpElementId) srcElement).ipAddress().toString()); |
| return; |
| } |
| |
| // If delegation flag is set then only send update message[means delegated PCE can send update msg for that |
| // LSP].If annotation is null D flag is not set else it is set. |
| if (pc.capability().statefulPceCapability() |
| && pc.delegationInfo( |
| new LspKey(Integer.valueOf(tunnel.annotations().value(PLSP_ID)), Short.valueOf(tunnel |
| .annotations().value(LOCAL_LSP_ID)))) != null) { |
| pcepUpdateTunnel(tunnel, path, pc); |
| } |
| } |
| |
| @Override |
| public TunnelId tunnelAdded(TunnelDescription tunnel) { |
| return handleTunnelAdded(tunnel, null); |
| } |
| |
| public TunnelId tunnelAdded(TunnelDescription tunnel, State tunnelState) { |
| return handleTunnelAdded(tunnel, tunnelState); |
| } |
| |
| private TunnelId handleTunnelAdded(TunnelDescription tunnel, State tunnelState) { |
| |
| if (tunnel.type() == MPLS) { |
| pcepTunnelApiMapper.removeFromCoreTunnelRequestQueue(tunnel.id()); |
| |
| if (tunnelState == null) { |
| return service.tunnelAdded(tunnel); |
| } else { |
| return service.tunnelAdded(tunnel, tunnelState); |
| } |
| } |
| |
| long bandwidth = Long.parseLong(tunnel.annotations().value(BANDWIDTH)); |
| |
| if (bandwidth < MIN_BANDWIDTH || bandwidth > MAX_BANDWIDTH) { |
| error("Update failed, invalid bandwidth."); |
| return null; |
| } |
| |
| // endpoints |
| OpticalTunnelEndPoint src = (org.onosproject.incubator.net.tunnel.OpticalTunnelEndPoint) tunnel |
| .src(); |
| OpticalTunnelEndPoint dst = (OpticalTunnelEndPoint) tunnel.dst(); |
| // devices |
| DeviceId srcId = (DeviceId) src.elementId().get(); |
| DeviceId dstId = (DeviceId) dst.elementId().get(); |
| |
| // ports |
| long srcPort = src.portNumber().get().toLong(); |
| long dstPort = dst.portNumber().get().toLong(); |
| |
| // type |
| if (tunnel.type() != Tunnel.Type.VLAN) { |
| error("Illegal tunnel type. Only support VLAN tunnel creation."); |
| return null; |
| } |
| |
| PcepTunnel pcepTunnel = controller.applyTunnel(srcId, dstId, srcPort, |
| dstPort, bandwidth, |
| tunnel.tunnelName() |
| .value()); |
| |
| checkNotNull(pcepTunnel, TUNNLE_NOT_NULL); |
| TunnelDescription tunnelAdded = buildOpticalTunnel(pcepTunnel, null); |
| TunnelId tunnelId = service.tunnelAdded(tunnelAdded); |
| |
| tunnelMap.put(String.valueOf(pcepTunnel.id()), tunnelId); |
| return tunnelId; |
| } |
| |
| private void tunnelUpdated(Tunnel tunnel, Path path, State tunnelState) { |
| handleTunnelUpdate(tunnel, path, tunnelState); |
| } |
| |
| //Handles tunnel updated using tunnel admin service[specially to update annotations]. |
| private void handleTunnelUpdate(Tunnel tunnel, Path path, State tunnelState) { |
| |
| if (tunnel.type() == MPLS) { |
| pcepTunnelApiMapper.removeFromCoreTunnelRequestQueue(tunnel.tunnelId()); |
| |
| TunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(), tunnel.src(), tunnel.dst(), |
| tunnel.type(), tunnel.groupId(), tunnel.providerId(), |
| tunnel.tunnelName(), path, tunnel.resource(), |
| (SparseAnnotations) tunnel.annotations()); |
| |
| service.tunnelUpdated(td, tunnelState); |
| return; |
| } |
| |
| Tunnel tunnelOld = tunnelQueryById(tunnel.tunnelId()); |
| if (tunnelOld.type() != Tunnel.Type.VLAN) { |
| error("Illegal tunnel type. Only support VLAN tunnel update."); |
| return; |
| } |
| |
| long bandwidth = Long |
| .parseLong(tunnel.annotations().value("bandwidth")); |
| if (bandwidth < MIN_BANDWIDTH || bandwidth > MAX_BANDWIDTH) { |
| error("Update failed, invalid bandwidth."); |
| return; |
| } |
| String pcepTunnelId = getPcepTunnelKey(tunnel.tunnelId()); |
| |
| checkNotNull(pcepTunnelId, "Invalid tunnel id"); |
| if (!controller.updateTunnelBandwidth(pcepTunnelId, bandwidth)) { |
| error("Update failed,maybe invalid bandwidth."); |
| return; |
| } |
| tunnelAdminService.updateTunnel(tunnel, path); |
| } |
| |
| @Override |
| public void tunnelRemoved(TunnelDescription tunnel) { |
| if (tunnel.type() == MPLS) { |
| pcepTunnelApiMapper.removeFromCoreTunnelRequestQueue(tunnel.id()); |
| service.tunnelRemoved(tunnel); |
| return; |
| } |
| |
| Tunnel tunnelOld = tunnelQueryById(tunnel.id()); |
| checkNotNull(tunnelOld, "The tunnel id is not exsited."); |
| if (tunnelOld.type() != Tunnel.Type.VLAN) { |
| error("Illegal tunnel type. Only support VLAN tunnel deletion."); |
| return; |
| } |
| String pcepTunnelId = getPcepTunnelKey(tunnel.id()); |
| checkNotNull(pcepTunnelId, "The tunnel id is not exsited."); |
| if (!controller.deleteTunnel(pcepTunnelId)) { |
| error("Delete tunnel failed, Maybe some devices have been disconnected."); |
| return; |
| } |
| tunnelMap.remove(pcepTunnelId); |
| service.tunnelRemoved(tunnel); |
| } |
| |
| @Override |
| public void tunnelUpdated(TunnelDescription tunnel) { |
| handleTunnelUpdate(tunnel, null); |
| } |
| |
| public void tunnelUpdated(TunnelDescription tunnel, State tunnelState) { |
| handleTunnelUpdate(tunnel, tunnelState); |
| } |
| |
| private void handleTunnelUpdate(TunnelDescription tunnel, State tunnelState) { |
| if (tunnel.type() == MPLS) { |
| pcepTunnelApiMapper.removeFromCoreTunnelRequestQueue(tunnel.id()); |
| |
| if (tunnelState == null) { |
| service.tunnelUpdated(tunnel); |
| } else { |
| service.tunnelUpdated(tunnel, tunnelState); |
| } |
| return; |
| } |
| |
| Tunnel tunnelOld = tunnelQueryById(tunnel.id()); |
| if (tunnelOld.type() != Tunnel.Type.VLAN) { |
| error("Illegal tunnel type. Only support VLAN tunnel update."); |
| return; |
| } |
| long bandwidth = Long |
| .parseLong(tunnel.annotations().value("bandwidth")); |
| if (bandwidth < MIN_BANDWIDTH || bandwidth > MAX_BANDWIDTH) { |
| error("Update failed, invalid bandwidth."); |
| return; |
| } |
| String pcepTunnelId = getPcepTunnelKey(tunnel.id()); |
| |
| checkNotNull(pcepTunnelId, "Invalid tunnel id"); |
| if (!controller.updateTunnelBandwidth(pcepTunnelId, bandwidth)) { |
| |
| error("Update failed,maybe invalid bandwidth."); |
| return; |
| |
| } |
| service.tunnelUpdated(tunnel); |
| } |
| |
| private void error(String info) { |
| System.err.println(info); |
| } |
| |
| // Short-hand for creating a connection point. |
| private ConnectPoint connectPoint(PcepDpid id, long port) { |
| return new ConnectPoint(deviceId(uri(id)), portNumber(port)); |
| } |
| |
| // Short-hand for creating a link. |
| private Link link(PcepDpid src, long sp, PcepDpid dst, long dp) { |
| return DefaultLink.builder() |
| .providerId(id()) |
| .src(connectPoint(src, sp)) |
| .dst(connectPoint(dst, dp)) |
| .type(Link.Type.TUNNEL) |
| .build(); |
| } |
| |
| // Creates a path that leads through the given devices. |
| private Path createPath(List<PcepHopNodeDescription> hopList, |
| PathType pathtype, PathState pathState) { |
| if (hopList == null || hopList.isEmpty()) { |
| return null; |
| } |
| List<Link> links = new ArrayList<>(); |
| for (int i = 1; i < hopList.size() - 1; i = i + 2) { |
| links.add(link(hopList.get(i).getDeviceId(), hopList.get(i) |
| .getPortNum(), hopList.get(i + 1).getDeviceId(), hopList |
| .get(i + 1).getPortNum())); |
| } |
| |
| int hopNum = hopList.size() - 2; |
| DefaultAnnotations extendAnnotations = DefaultAnnotations.builder() |
| .set("pathNum", String.valueOf(hopNum)) |
| .set("pathState", String.valueOf(pathState)) |
| .set("pathType", String.valueOf(pathtype)).build(); |
| return new DefaultPath(id(), links, hopNum, extendAnnotations); |
| } |
| |
| // convert the path description to a string. |
| public String pathToString(List<Link> links) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("{"); |
| for (Link link : links) { |
| builder.append("(Device:" + link.src().deviceId() + " Port:" |
| + link.src().port().toLong()); |
| builder.append(" Device:" + link.dst().deviceId() + " Port:" |
| + link.dst().port().toLong()); |
| builder.append(")"); |
| } |
| builder.append("}"); |
| return builder.toString(); |
| } |
| |
| // build a TunnelDescription. |
| private TunnelDescription buildOpticalTunnel(PcepTunnel pcepTunnel, |
| TunnelId tunnelId) { |
| TunnelEndPoint srcPoint = null; |
| TunnelEndPoint dstPoint = null; |
| Tunnel.Type tunnelType = null; |
| TunnelName name = TunnelName.tunnelName(pcepTunnel.name()); |
| |
| // add path after codes of tunnel's path merged |
| Path path = createPath(pcepTunnel.getHopList(), |
| pcepTunnel.getPathType(), |
| pcepTunnel.getPathState()); |
| |
| OpticalTunnelEndPoint.Type endPointType = null; |
| switch (pcepTunnel.type()) { |
| case OCH: |
| tunnelType = Tunnel.Type.OCH; |
| endPointType = OpticalTunnelEndPoint.Type.LAMBDA; |
| break; |
| |
| case OTN: |
| tunnelType = Tunnel.Type.ODUK; |
| endPointType = OpticalTunnelEndPoint.Type.TIMESLOT; |
| break; |
| |
| case UNI: |
| tunnelType = Tunnel.Type.VLAN; |
| endPointType = null; |
| break; |
| |
| default: |
| break; |
| } |
| DeviceId srcDid = deviceId(uri(pcepTunnel.srcDeviceID())); |
| DeviceId dstDid = deviceId(uri(pcepTunnel.dstDeviceId())); |
| PortNumber srcPort = PortNumber.portNumber(pcepTunnel.srcPort()); |
| PortNumber dstPort = PortNumber.portNumber(pcepTunnel.dstPort()); |
| |
| srcPoint = new DefaultOpticalTunnelEndPoint(id(), Optional.of(srcDid), |
| Optional.of(srcPort), null, |
| endPointType, |
| OpticalLogicId.logicId(0), |
| true); |
| dstPoint = new DefaultOpticalTunnelEndPoint(id(), Optional.of(dstDid), |
| Optional.of(dstPort), null, |
| endPointType, |
| OpticalLogicId.logicId(0), |
| true); |
| |
| // basic annotations |
| DefaultAnnotations annotations = DefaultAnnotations |
| .builder() |
| .set("SLA", String.valueOf(pcepTunnel.getSla())) |
| .set("bandwidth", |
| String.valueOf(pcepTunnel.bandWidth()) + BANDWIDTH_UINT) |
| .set("index", String.valueOf(pcepTunnel.id())).build(); |
| |
| // a VLAN tunnel always carry OCH tunnel, this annotation is the index |
| // of a OCH tunnel. |
| if (pcepTunnel.underlayTunnelId() != 0) { |
| DefaultAnnotations extendAnnotations = DefaultAnnotations |
| .builder() |
| .set("underLayTunnelIndex", |
| String.valueOf(pcepTunnel.underlayTunnelId())).build(); |
| annotations = DefaultAnnotations.merge(annotations, |
| extendAnnotations); |
| |
| } |
| TunnelDescription tunnel = new DefaultTunnelDescription(tunnelId, |
| srcPoint, |
| dstPoint, |
| tunnelType, |
| new GroupId(0), |
| id(), name, |
| path, |
| annotations); |
| return tunnel; |
| } |
| |
| /** |
| * Get the tunnelID according to the tunnel key. |
| * |
| * @param tunnelKey tunnel key |
| * @return corresponding tunnel id of the a tunnel key. |
| */ |
| private TunnelId getTunnelId(String tunnelKey) { |
| for (String key : tunnelMap.keySet()) { |
| if (key.equals(tunnelKey)) { |
| return tunnelMap.get(key); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Get the tunnel key according to the tunnelID. |
| * |
| * @param tunnelId tunnel id |
| * @return corresponding a tunnel key of the tunnel id. |
| */ |
| private String getPcepTunnelKey(TunnelId tunnelId) { |
| for (String key : tunnelMap.keySet()) { |
| if (Objects.equals(tunnelMap.get(key).id(), tunnelId.id())) { |
| return key; |
| } |
| } |
| return null; |
| |
| } |
| |
| /** |
| * Build a DefaultTunnelStatistics from a PcepTunnelStatistics. |
| * |
| * @param statistics statistics data from a PCEP tunnel |
| * @return TunnelStatistics |
| */ |
| private TunnelStatistics buildTunnelStatistics(PcepTunnelStatistics statistics) { |
| DefaultTunnelStatistics.Builder builder = new DefaultTunnelStatistics.Builder(); |
| DefaultTunnelStatistics tunnelStatistics = builder.setBwUtilization(statistics.bandwidthUtilization()) |
| .setPacketLossRatio(statistics.packetLossRate()) |
| .setFlowDelay(statistics.flowDelay()) |
| .setAlarms(statistics.alarms()) |
| .build(); |
| return tunnelStatistics; |
| } |
| /** |
| * Creates list of hops for ERO object from Path. |
| * |
| * @param path network path |
| * @return list of ERO subobjects |
| */ |
| private LinkedList<PcepValueType> createPcepPath(Path path) { |
| LinkedList<PcepValueType> llSubObjects = new LinkedList<PcepValueType>(); |
| List<Link> listLink = path.links(); |
| ConnectPoint source = null; |
| ConnectPoint destination = null; |
| IpAddress ipDstAddress = null; |
| IpAddress ipSrcAddress = null; |
| PcepValueType subObj = null; |
| long portNo; |
| |
| for (Link link : listLink) { |
| source = link.src(); |
| if (!(source.equals(destination))) { |
| //set IPv4SubObject for ERO object |
| portNo = source.port().toLong(); |
| portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| ipSrcAddress = Ip4Address.valueOf((int) portNo); |
| subObj = new IPv4SubObject(ipSrcAddress.getIp4Address().toInt()); |
| llSubObjects.add(subObj); |
| } |
| |
| destination = link.dst(); |
| portNo = destination.port().toLong(); |
| portNo = ((portNo & IDENTIFIER_SET) == IDENTIFIER_SET) ? portNo & SET : portNo; |
| ipDstAddress = Ip4Address.valueOf((int) portNo); |
| subObj = new IPv4SubObject(ipDstAddress.getIp4Address().toInt()); |
| llSubObjects.add(subObj); |
| } |
| |
| return llSubObjects; |
| } |
| |
| /** |
| * Creates PcInitiated lsp request list for setup tunnel. |
| * |
| * @param tunnel mpls tunnel |
| * @param path network path |
| * @param pc pcep client |
| * @param srpId unique id for pcep message |
| * @return list of PcInitiatedLspRequest |
| * @throws PcepParseException while building pcep objects fails |
| */ |
| LinkedList<PcInitiatedLspRequest> createPcInitiatedLspReqList(Tunnel tunnel, Path path, |
| PcepClient pc, int srpId) |
| throws PcepParseException { |
| PcepValueType tlv; |
| LinkedList<PcepValueType> llSubObjects = null; |
| LspType lspType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)); |
| |
| if (lspType == SR_WITHOUT_SIGNALLING) { |
| NetworkResource labelStack = tunnel.resource(); |
| if (labelStack == null || !(labelStack instanceof DefaultLabelStack)) { |
| labelStack = pcepClientController.computeLabelStack(tunnel.path()); |
| if (labelStack == null) { |
| log.error("Unable to create label stack."); |
| return null; |
| } |
| } |
| llSubObjects = pcepClientController.createPcepLabelStack((DefaultLabelStack) labelStack, path); |
| } else { |
| llSubObjects = createPcepPath(path); |
| } |
| |
| if (llSubObjects == null || llSubObjects.isEmpty()) { |
| log.error("There is no link information to create tunnel"); |
| return null; |
| } |
| |
| LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>(); |
| |
| // set PathSetupTypeTlv of SRP object |
| tlv = new PathSetupTypeTlv(lspType.type()); |
| llOptionalTlv.add(tlv); |
| |
| // build SRP object |
| PcepSrpObject srpobj = pc.factory().buildSrpObject().setSrpID(srpId).setRFlag(false) |
| .setOptionalTlv(llOptionalTlv).build(); |
| |
| llOptionalTlv = new LinkedList<PcepValueType>(); |
| LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = new LinkedList<PcInitiatedLspRequest>(); |
| |
| // set LSP identifiers TLV |
| short localLspId = 0; |
| if (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) != WITH_SIGNALLING) { |
| String localLspIdString = tunnel.annotations().value(LOCAL_LSP_ID); |
| if (localLspIdString != null) { |
| localLspId = Short.valueOf(localLspIdString); |
| } |
| } |
| |
| tunnel.annotations().value(LSP_SIG_TYPE); |
| tlv = new StatefulIPv4LspIdentifiersTlv((((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt()), |
| localLspId, (short) 0, 0, (((IpTunnelEndPoint) tunnel.dst()).ip() |
| .getIp4Address().toInt())); |
| llOptionalTlv.add(tlv); |
| //set SymbolicPathNameTlv of LSP object |
| tlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes()); |
| llOptionalTlv.add(tlv); |
| |
| //build LSP object |
| PcepLspObject lspobj = pc.factory().buildLspObject().setAFlag(true).setDFlag(true).setOFlag((byte) 0) |
| .setPlspId(0).setOptionalTlv(llOptionalTlv).build(); |
| |
| //build ENDPOINTS object |
| PcepEndPointsObject endpointsobj = pc.factory().buildEndPointsObject() |
| .setSourceIpAddress(((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt()) |
| .setDestIpAddress(((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt()) |
| .setPFlag(true).build(); |
| |
| //build ERO object |
| PcepEroObject eroobj = pc.factory().buildEroObject().setSubObjects(llSubObjects).build(); |
| |
| float iBandwidth = DEFAULT_BANDWIDTH_VALUE; |
| if (tunnel.annotations().value(BANDWIDTH) != null) { |
| iBandwidth = Float.valueOf(tunnel.annotations().value(BANDWIDTH)); |
| } |
| // build bandwidth object |
| PcepBandwidthObject bandwidthObject = pc.factory().buildBandwidthObject().setBandwidth(iBandwidth).build(); |
| // build pcep attribute |
| PcepAttribute pcepAttribute = pc.factory().buildPcepAttribute().setBandwidthObject(bandwidthObject).build(); |
| |
| PcInitiatedLspRequest initiateLspRequest = pc.factory().buildPcInitiatedLspRequest().setSrpObject(srpobj) |
| .setLspObject(lspobj).setEndPointsObject(endpointsobj).setEroObject(eroobj) |
| .setPcepAttribute(pcepAttribute).build(); |
| llPcInitiatedLspRequestList.add(initiateLspRequest); |
| return llPcInitiatedLspRequestList; |
| } |
| |
| /** |
| * To send initiate tunnel message to pcc. |
| * |
| * @param tunnel mpls tunnel info |
| * @param path explicit route for the tunnel |
| * @param pc pcep client to send message |
| */ |
| private void pcepSetupTunnel(Tunnel tunnel, Path path, PcepClient pc) { |
| try { |
| if (!(pc.lspDbSyncStatus().equals(PcepSyncStatus.SYNCED))) { |
| log.error("Setup tunnel has failed as LSP DB sync is not finished"); |
| return; |
| } |
| |
| int srpId = SrpIdGenerators.create(); |
| Collection<Tunnel> tunnels = tunnelService.queryTunnel(tunnel.src(), tunnel.dst()); |
| for (Tunnel t : tunnels) { |
| if (t.tunnelName().equals(tunnel.tunnelName())) { |
| tunnel = new DefaultTunnel(tunnel.providerId(), tunnel.src(), |
| tunnel.dst(), tunnel.type(), |
| t.state(), tunnel.groupId(), |
| t.tunnelId(), |
| tunnel.tunnelName(), |
| tunnel.path(), |
| tunnel.resource(), |
| tunnel.annotations()); |
| break; |
| } |
| } |
| |
| if (tunnel.tunnelId() == null) { |
| log.error("Tunnel ID not found"); |
| return; |
| } |
| |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, path, CREATE); |
| |
| pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData); |
| |
| LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = createPcInitiatedLspReqList(tunnel, path, |
| pc, srpId); |
| if (llPcInitiatedLspRequestList == null || llPcInitiatedLspRequestList.isEmpty()) { |
| log.error("Failed to create PcInitiatedLspRequestList"); |
| return; |
| } |
| |
| //build PCInitiate message |
| PcepInitiateMsg pcInitiateMsg = pc.factory().buildPcepInitiateMsg() |
| .setPcInitiatedLspRequestList(llPcInitiatedLspRequestList) |
| .build(); |
| |
| pc.sendMessage(Collections.singletonList(pcInitiateMsg)); |
| |
| pcepTunnelApiMapper.addToTunnelRequestQueue(srpId, pcepTunnelData); |
| } catch (PcepParseException e) { |
| log.error("PcepParseException occurred while processing setup tunnel {}", e.getMessage()); |
| } |
| } |
| |
| /** |
| * To send Release tunnel message to pcc. |
| * |
| * @param tunnel mpls tunnel info |
| * @param pc pcep client to send message |
| */ |
| private void pcepReleaseTunnel(Tunnel tunnel, PcepClient pc) { |
| try { |
| if (!(pc.lspDbSyncStatus().equals(PcepSyncStatus.SYNCED))) { |
| log.error("Release tunnel has failed as LSP DB sync is not finished"); |
| return; |
| } |
| |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, DELETE); |
| pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData); |
| int srpId = SrpIdGenerators.create(); |
| |
| PcepValueType tlv; |
| LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>(); |
| |
| // set PathSetupTypeTlv of SRP object |
| tlv = new PathSetupTypeTlv(LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) |
| .type()); |
| llOptionalTlv.add(tlv); |
| |
| // build SRP object |
| PcepSrpObject srpobj = pc.factory().buildSrpObject().setSrpID(srpId).setRFlag(true) |
| .setOptionalTlv(llOptionalTlv).build(); |
| |
| llOptionalTlv = new LinkedList<PcepValueType>(); |
| LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = new LinkedList<PcInitiatedLspRequest>(); |
| |
| tlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes()); |
| llOptionalTlv.add(tlv); |
| |
| String localLspIdString = tunnel.annotations().value(LOCAL_LSP_ID); |
| String pccTunnelIdString = tunnel.annotations().value(PCC_TUNNEL_ID); |
| String pLspIdString = tunnel.annotations().value(PLSP_ID); |
| |
| short localLspId = 0; |
| short pccTunnelId = 0; |
| int plspId = 0; |
| |
| if (localLspIdString != null) { |
| localLspId = Short.valueOf(localLspIdString); |
| } |
| |
| if (pccTunnelIdString != null) { |
| pccTunnelId = Short.valueOf(pccTunnelIdString); |
| } |
| |
| if (pLspIdString != null) { |
| plspId = Integer.valueOf(pLspIdString); |
| } |
| |
| tlv = new StatefulIPv4LspIdentifiersTlv((((IpTunnelEndPoint) tunnel.src()) |
| .ip().getIp4Address().toInt()), |
| localLspId, pccTunnelId, 0, (((IpTunnelEndPoint) tunnel.dst()).ip() |
| .getIp4Address().toInt())); |
| llOptionalTlv.add(tlv); |
| |
| // build lsp object, set r flag as false to delete the tunnel |
| PcepLspObject lspobj = pc.factory().buildLspObject().setRFlag(false).setPlspId(plspId) |
| .setOptionalTlv(llOptionalTlv).build(); |
| |
| PcInitiatedLspRequest releaseLspRequest = pc.factory().buildPcInitiatedLspRequest().setSrpObject(srpobj) |
| .setLspObject(lspobj).build(); |
| |
| llPcInitiatedLspRequestList.add(releaseLspRequest); |
| |
| PcepInitiateMsg pcInitiateMsg = pc.factory().buildPcepInitiateMsg() |
| .setPcInitiatedLspRequestList(llPcInitiatedLspRequestList).build(); |
| |
| pc.sendMessage(Collections.singletonList(pcInitiateMsg)); |
| |
| pcepTunnelApiMapper.addToTunnelRequestQueue(srpId, pcepTunnelData); |
| } catch (PcepParseException e) { |
| log.error("PcepParseException occurred while processing release tunnel {}", e.getMessage()); |
| } |
| } |
| |
| /** |
| * To send Update tunnel request message to pcc. |
| * |
| * @param tunnel mpls tunnel info |
| * @param path explicit route for the tunnel |
| * @param pc pcep client to send message |
| */ |
| private void pcepUpdateTunnel(Tunnel tunnel, Path path, PcepClient pc) { |
| try { |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, path, UPDATE); |
| pcepTunnelApiMapper.addToCoreTunnelRequestQueue(pcepTunnelData); |
| int srpId = SrpIdGenerators.create(); |
| PcepValueType tlv; |
| |
| LinkedList<PcepValueType> llSubObjects = null; |
| LspType lspSigType = LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)); |
| |
| if (lspSigType == SR_WITHOUT_SIGNALLING) { |
| NetworkResource labelStack = tunnel.resource(); |
| if (labelStack == null || !(labelStack instanceof DefaultLabelStack)) { |
| labelStack = pcepClientController.computeLabelStack(tunnel.path()); |
| if (labelStack == null) { |
| log.error("Unable to create label stack."); |
| return; |
| } |
| } |
| llSubObjects = pcepClientController.createPcepLabelStack((DefaultLabelStack) labelStack, path); |
| } else { |
| llSubObjects = createPcepPath(path); |
| } |
| |
| LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>(); |
| LinkedList<PcepUpdateRequest> llUpdateRequestList = new LinkedList<PcepUpdateRequest>(); |
| |
| // set PathSetupTypeTlv of SRP object |
| tlv = new PathSetupTypeTlv(lspSigType.type()); |
| llOptionalTlv.add(tlv); |
| |
| // build SRP object |
| PcepSrpObject srpobj = pc.factory().buildSrpObject().setSrpID(srpId).setRFlag(false) |
| .setOptionalTlv(llOptionalTlv).build(); |
| |
| llOptionalTlv = new LinkedList<PcepValueType>(); |
| |
| // Lsp Identifier tlv is required for all modes of lsp |
| String localLspIdString = tunnel.annotations().value(LOCAL_LSP_ID); |
| String pccTunnelIdString = tunnel.annotations().value(PCC_TUNNEL_ID); |
| short localLspId = 0; |
| short pccTunnelId = 0; |
| |
| if (localLspIdString != null) { |
| localLspId = Short.valueOf(localLspIdString); |
| } |
| |
| if (pccTunnelIdString != null) { |
| pccTunnelId = Short.valueOf(pccTunnelIdString); |
| } |
| |
| tlv = new StatefulIPv4LspIdentifiersTlv((((IpTunnelEndPoint) tunnel.src()) |
| .ip().getIp4Address().toInt()), |
| localLspId, pccTunnelId, |
| ((IpTunnelEndPoint) tunnel.src()).ip().getIp4Address().toInt(), |
| (((IpTunnelEndPoint) tunnel.dst()).ip().getIp4Address().toInt())); |
| llOptionalTlv.add(tlv); |
| |
| if (tunnel.tunnelName().value() != null) { |
| tlv = new SymbolicPathNameTlv(tunnel.tunnelName().value().getBytes()); |
| llOptionalTlv.add(tlv); |
| } |
| boolean delegated = (tunnel.annotations().value(DELEGATE) == null) ? false |
| : Boolean.valueOf(tunnel.annotations() |
| .value(DELEGATE)); |
| boolean initiated = (tunnel.annotations().value(PCE_INIT) == null) ? false |
| : Boolean.valueOf(tunnel.annotations() |
| .value(PCE_INIT)); |
| // build lsp object |
| PcepLspObject lspobj = pc.factory().buildLspObject().setAFlag(true) |
| .setPlspId(Integer.valueOf(tunnel.annotations().value(PLSP_ID))) |
| .setDFlag(delegated) |
| .setCFlag(initiated) |
| .setOptionalTlv(llOptionalTlv).build(); |
| // build ero object |
| PcepEroObject eroobj = pc.factory().buildEroObject().setSubObjects(llSubObjects).build(); |
| float iBandwidth = DEFAULT_BANDWIDTH_VALUE; |
| if (tunnel.annotations().value(BANDWIDTH) != null) { |
| iBandwidth = Float.parseFloat(tunnel.annotations().value(BANDWIDTH)); |
| } |
| // build bandwidth object |
| PcepBandwidthObject bandwidthObject = pc.factory().buildBandwidthObject().setBandwidth(iBandwidth).build(); |
| // build pcep attribute |
| PcepAttribute pcepAttribute = pc.factory().buildPcepAttribute().setBandwidthObject(bandwidthObject).build(); |
| // build pcep msg path |
| PcepMsgPath msgPath = pc.factory().buildPcepMsgPath().setEroObject(eroobj).setPcepAttribute(pcepAttribute) |
| .build(); |
| |
| PcepUpdateRequest updateRequest = pc.factory().buildPcepUpdateRequest().setSrpObject(srpobj) |
| .setLspObject(lspobj).setMsgPath(msgPath).build(); |
| |
| llUpdateRequestList.add(updateRequest); |
| |
| PcepUpdateMsg pcUpdateMsg = pc.factory().buildUpdateMsg().setUpdateRequestList(llUpdateRequestList).build(); |
| |
| pc.sendMessage(Collections.singletonList(pcUpdateMsg)); |
| pcepTunnelApiMapper.addToTunnelRequestQueue(srpId, pcepTunnelData); |
| } catch (PcepParseException e) { |
| log.error("PcepParseException occurred while processing release tunnel {}", e.getMessage()); |
| } |
| } |
| |
| private class InnerTunnelProvider implements PcepTunnelListener, PcepEventListener, PcepClientListener { |
| |
| @Override |
| public void handlePcepTunnel(PcepTunnel pcepTunnel) { |
| TunnelDescription tunnel = null; |
| // instance and id identify a tunnel together |
| String tunnelKey = String.valueOf(pcepTunnel.getInstance()) |
| + String.valueOf(pcepTunnel.id()); |
| |
| if (tunnelKey == null || "".equals(tunnelKey)) { |
| log.error("Invalid PCEP tunnel"); |
| return; |
| } |
| |
| TunnelId tunnelId = getTunnelId(tunnelKey); |
| tunnel = buildOpticalTunnel(pcepTunnel, tunnelId); |
| |
| OperationType operType = pcepTunnel.getOperationType(); |
| switch (operType) { |
| case ADD: |
| tunnelId = service.tunnelAdded(tunnel); |
| tunnelMap.put(tunnelKey, tunnelId); |
| break; |
| |
| case UPDATE: |
| service.tunnelUpdated(tunnel); |
| break; |
| |
| case DELETE: |
| service.tunnelRemoved(tunnel); |
| tunnelMap.remove(tunnelKey); |
| break; |
| |
| default: |
| log.error("Invalid tunnel operation"); |
| } |
| } |
| |
| @Override |
| public void handleMessage(PccId pccId, PcepMessage msg) { |
| try { |
| log.debug("tunnel provider handle message {}", msg.getType().toString()); |
| switch (msg.getType()) { |
| case REPORT: |
| int srpId = 0; |
| LinkedList<PcepStateReport> llStateReportList = null; |
| llStateReportList = ((PcepReportMsg) msg).getStateReportList(); |
| ListIterator<PcepStateReport> listIterator = llStateReportList.listIterator(); |
| PcepSrpObject srpObj = null; |
| PcepLspObject lspObj = null; |
| while (listIterator.hasNext()) { |
| PcepStateReport stateRpt = listIterator.next(); |
| srpObj = stateRpt.getSrpObject(); |
| lspObj = stateRpt.getLspObject(); |
| |
| if (srpObj instanceof PcepSrpObject) { |
| srpId = srpObj.getSrpID(); |
| } |
| |
| log.debug("Plsp ID in handle message " + lspObj.getPlspId()); |
| log.debug("SRP ID in handle message " + srpId); |
| |
| if (!(pcepTunnelApiMapper.checkFromTunnelRequestQueue(srpId))) { |
| // For PCRpt without matching SRP id. |
| handleRptWithoutSrpId(stateRpt, pccId); |
| continue; |
| } |
| |
| handleReportMessage(srpId, lspObj, stateRpt); |
| } |
| break; |
| |
| default: |
| log.debug("Received unsupported message type {}", msg.getType().toString()); |
| } |
| } catch (Exception e) { |
| log.error("Exception occurred while processing report message {}", e.getMessage()); |
| } |
| } |
| |
| /** |
| * Handles report message for setup/update/delete tunnel request. |
| * |
| * @param srpId unique identifier for PCEP message |
| * @param lspObj LSP object |
| * @param stateRpt parsed PCEP report msg. |
| */ |
| private void handleReportMessage(int srpId, PcepLspObject lspObj, PcepStateReport stateRpt) { |
| ProviderId providerId = new ProviderId("pcep", PROVIDER_ID); |
| PcepTunnelData pcepTunnelData = pcepTunnelApiMapper.getDataFromTunnelRequestQueue(srpId); |
| |
| // store the values required from report message |
| pcepTunnelData.setPlspId(lspObj.getPlspId()); |
| pcepTunnelData.setLspAFlag(lspObj.getAFlag()); |
| pcepTunnelData.setLspOFlag(lspObj.getOFlag()); |
| pcepTunnelData.setLspDFlag(lspObj.getDFlag()); |
| |
| StatefulIPv4LspIdentifiersTlv ipv4LspTlv = null; |
| ListIterator<PcepValueType> listTlvIterator = lspObj.getOptionalTlv().listIterator(); |
| while (listTlvIterator.hasNext()) { |
| PcepValueType tlv = listTlvIterator.next(); |
| if (tlv.getType() == StatefulIPv4LspIdentifiersTlv.TYPE) { |
| ipv4LspTlv = (StatefulIPv4LspIdentifiersTlv) tlv; |
| break; |
| } |
| } |
| if (ipv4LspTlv != null) { |
| pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspTlv); |
| } |
| |
| Path path = pcepTunnelData.path(); |
| Tunnel tunnel = pcepTunnelData.tunnel(); |
| Builder annotationBuilder = DefaultAnnotations.builder(); |
| annotationBuilder.putAll(pcepTunnelData.tunnel().annotations()); |
| |
| // PCRpt in response to PCInitate msg will carry PLSP id allocated by PCC. |
| if (tunnel.annotations().value(PLSP_ID) == null) { |
| annotationBuilder.set(PLSP_ID, String.valueOf(lspObj.getPlspId())); |
| } |
| |
| // Signalled LSPs will carry local LSP id allocated by signalling protocol(PCC). |
| if (tunnel.annotations().value(LOCAL_LSP_ID) == null) { |
| annotationBuilder.set(LOCAL_LSP_ID, String.valueOf(ipv4LspTlv.getLspId())); |
| } |
| |
| if (tunnel.annotations().value(PCC_TUNNEL_ID) == null) { |
| annotationBuilder.set(PCC_TUNNEL_ID, String.valueOf(ipv4LspTlv.getTunnelId())); |
| } |
| |
| SparseAnnotations annotations = annotationBuilder.build(); |
| DefaultTunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(), tunnel.src(), |
| tunnel.dst(), tunnel.type(), tunnel.groupId(), |
| providerId, tunnel.tunnelName(), path, |
| tunnel.resource(), annotations); |
| |
| if (CREATE == pcepTunnelData.requestType()) { |
| pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData); |
| pcepTunnelApiMapper.handleCreateTunnelRequestQueue(srpId, pcepTunnelData); |
| } else if (DELETE == pcepTunnelData.requestType()) { |
| pcepTunnelApiMapper.handleRemoveFromTunnelRequestQueue(srpId, pcepTunnelData); |
| } else if (UPDATE == pcepTunnelData.requestType()) { |
| pcepTunnelData.setRptFlag(true); |
| pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData); |
| pcepTunnelApiMapper.handleUpdateTunnelRequestQueue(srpId, pcepTunnelData); |
| } |
| |
| PcepLspStatus pcepLspStatus = PcepLspStatus.values()[lspObj.getOFlag()]; |
| |
| if (lspObj.getRFlag()) { |
| tunnelRemoved(td); |
| } else { |
| State tunnelState = PcepLspStatus.getTunnelStatusFromLspStatus(pcepLspStatus); |
| tunnelUpdated(td, tunnelState); |
| } |
| |
| // SR-TE also needs PCUpd msg after receiving PCRpt with status GOING-UP even |
| // though there are no labels to download for SR-TE. |
| if (((pcepLspStatus == PcepLspStatus.GOING_UP) |
| && (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) == SR_WITHOUT_SIGNALLING)) |
| // For PCInit tunnel up, few PCC expects PCUpd message after PCInit message, |
| || ((tunnel.state() == State.INIT) |
| && (pcepLspStatus == PcepLspStatus.DOWN) |
| && (tunnel.annotations().value(PCE_INIT) != null |
| && tunnel.annotations().value(PCE_INIT).equals("true")) |
| && (LspType.valueOf(tunnel.annotations().value(LSP_SIG_TYPE)) == WITH_SIGNALLING))) { |
| |
| // Query again to get latest tunnel updated with protocol values from PCRpt msg. |
| updateTunnel(service.tunnelQueryById(tunnel.tunnelId()), tunnel.path()); |
| } |
| } |
| |
| private SparseAnnotations getAnnotations(PcepLspObject lspObj, StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv, |
| String bandwidth, LspType lspType, String costType, boolean isPceInit) { |
| Builder builder = DefaultAnnotations.builder(); |
| /* |
| * [RFC 5440] The absence of the METRIC object MUST be interpreted by the PCE as a path computation request |
| * for which no constraints need be applied to any of the metrics. |
| */ |
| if (costType != null) { |
| builder.set(COST_TYPE, costType); |
| } |
| |
| if (isPceInit) { |
| builder.set(PCE_INIT, String.valueOf(isPceInit)); |
| } |
| |
| if (bandwidth != null) { |
| builder.set(BANDWIDTH, bandwidth); |
| } |
| |
| SparseAnnotations annotations = builder |
| .set(LSP_SIG_TYPE, lspType.name()) |
| .set(PCC_TUNNEL_ID, String.valueOf(ipv4LspIdenTlv.getTunnelId())) |
| .set(PLSP_ID, String.valueOf(lspObj.getPlspId())) |
| .set(LOCAL_LSP_ID, String.valueOf(ipv4LspIdenTlv.getLspId())) |
| .set(DELEGATE, String.valueOf(lspObj.getDFlag())) |
| .build(); |
| return annotations; |
| } |
| |
| private LspType getLspType(PcepSrpObject srpObj) { |
| LspType lspType = WITH_SIGNALLING; |
| |
| if (null != srpObj) { |
| LinkedList<PcepValueType> llOptionalTlv = srpObj.getOptionalTlv(); |
| ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator(); |
| |
| while (listIterator.hasNext()) { |
| PcepValueType tlv = listIterator.next(); |
| switch (tlv.getType()) { |
| case PathSetupTypeTlv.TYPE: |
| lspType = LspType.values()[Integer.valueOf(((PathSetupTypeTlv) tlv).getPst())]; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| return lspType; |
| } |
| |
| private void handleRptWithoutSrpId(PcepStateReport stateRpt, PccId pccId) { |
| ProviderId providerId = new ProviderId("pcep", PROVIDER_ID); |
| String costType = null; |
| PcepStateReport.PcepMsgPath msgPath = stateRpt.getMsgPath(); |
| checkNotNull(msgPath); |
| PcepEroObject eroObj = msgPath.getEroObject(); |
| if (eroObj == null) { |
| log.error("ERO object is null in report message."); |
| return; |
| } |
| PcepAttribute attributes = msgPath.getPcepAttribute(); |
| float bandwidth = 0; |
| int cost = 0; |
| if (attributes != null) { |
| if (attributes.getMetricObjectList() != null) { |
| ListIterator<PcepMetricObject> iterator = attributes.getMetricObjectList().listIterator(); |
| PcepMetricObject metricObj = iterator.next(); |
| |
| while (metricObj != null) { |
| if (metricObj.getBType() == IGP_METRIC) { |
| costType = "COST"; |
| } else if (metricObj.getBType() == TE_METRIC) { |
| costType = "TE_COST"; |
| } |
| if (costType != null) { |
| cost = metricObj.getMetricVal(); |
| log.debug("Path cost {}", cost); |
| break; |
| } |
| metricObj = iterator.next(); |
| } |
| } |
| if (attributes.getBandwidthObject() != null) { |
| bandwidth = attributes.getBandwidthObject().getBandwidth(); |
| } |
| } |
| PcepLspObject lspObj = stateRpt.getLspObject(); |
| List<Object> eroSubObjList = buildPathFromEroObj(eroObj, providerId); |
| List<Link> links = new ArrayList<>(); |
| List<LabelResourceId> labels = new ArrayList<>(); |
| for (Object linkOrLabel : eroSubObjList) { |
| if (linkOrLabel instanceof Link) { |
| links.add((Link) linkOrLabel); |
| } else if (linkOrLabel instanceof Integer) { |
| labels.add(LabelResourceId.labelResourceId(((Integer) linkOrLabel).longValue())); |
| } |
| } |
| Path path = null; |
| if (!links.isEmpty()) { |
| path = new DefaultPath(providerId, links, cost, EMPTY); |
| } else if (!lspObj.getRFlag()) { |
| return; |
| } |
| NetworkResource labelStack = new DefaultLabelStack(labels); |
| // To carry PST TLV, SRP object can be present with value 0 even when PCRpt is not in response to any action |
| // from PCE. |
| PcepSrpObject srpObj = stateRpt.getSrpObject(); |
| LspType lspType = getLspType(srpObj); |
| ListIterator<PcepValueType> listTlvIterator = lspObj.getOptionalTlv().listIterator(); |
| StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv = null; |
| SymbolicPathNameTlv pathNameTlv = null; |
| while (listTlvIterator.hasNext()) { |
| PcepValueType tlv = listTlvIterator.next(); |
| switch (tlv.getType()) { |
| case StatefulIPv4LspIdentifiersTlv.TYPE: |
| ipv4LspIdenTlv = (StatefulIPv4LspIdentifiersTlv) tlv; |
| break; |
| case SymbolicPathNameTlv.TYPE: |
| pathNameTlv = (SymbolicPathNameTlv) tlv; |
| break; |
| default: |
| break; |
| } |
| } |
| /* |
| * Draft says: The LSP-IDENTIFIERS TLV MUST be included in the LSP object in PCRpt messages for |
| * RSVP-signaled LSPs. For ONOS PCECC implementation, it is mandatory. |
| */ |
| if (ipv4LspIdenTlv == null) { |
| log.error("Stateful IPv4 identifier TLV is null in PCRpt msg."); |
| return; |
| } |
| IpTunnelEndPoint tunnelEndPointSrc = IpTunnelEndPoint |
| .ipTunnelPoint(IpAddress.valueOf(ipv4LspIdenTlv.getIpv4IngressAddress())); |
| IpTunnelEndPoint tunnelEndPointDst = IpTunnelEndPoint |
| .ipTunnelPoint(IpAddress.valueOf(ipv4LspIdenTlv.getIpv4EgressAddress())); |
| Collection<Tunnel> tunnelQueryResult = tunnelService.queryTunnel(tunnelEndPointSrc, tunnelEndPointDst); |
| // Store delegation flag info and that LSP info because only delegated PCE sends update message |
| // Storing if D flag is set, if not dont store. while checking whether delegation if annotation for D flag |
| // not present then non-delegated , if present it is delegated. |
| if (lspObj.getDFlag()) { |
| pcepClientController.getClient(pccId).setLspAndDelegationInfo( |
| new LspKey(lspObj.getPlspId(), ipv4LspIdenTlv.getLspId()), lspObj.getDFlag()); |
| } |
| Tunnel tunnel = null; |
| SparseAnnotations oldTunnelAnnotations = null; |
| // Asynchronous status change message from PCC for LSP reported earlier. |
| for (Tunnel tunnelObj : tunnelQueryResult) { |
| if (tunnelObj.annotations().value(PLSP_ID) == null) { |
| /* |
| * PLSP_ID is null while Tunnel is created at PCE and PCInit msg carries it as 0. It is allocated by |
| * PCC and in that case it becomes the first PCRpt msg from PCC for this LSP, and hence symbolic |
| * path name must be carried in the PCRpt msg. Draft says: The SYMBOLIC-PATH-NAME TLV "MUST" be |
| * included in the LSP object in the LSP State Report (PCRpt) message when during a given PCEP |
| * session an LSP is "first" reported to a PCE. |
| */ |
| if ((pathNameTlv != null) |
| && Arrays.equals(tunnelObj.tunnelName().value().getBytes(), pathNameTlv.getValue())) { |
| tunnel = tunnelObj; |
| break; |
| } |
| continue; |
| } |
| if ((Integer.valueOf(tunnelObj.annotations().value(PLSP_ID)) == lspObj.getPlspId())) { |
| if ((Integer |
| .valueOf(tunnelObj.annotations().value(LOCAL_LSP_ID)) == ipv4LspIdenTlv.getLspId())) { |
| tunnel = tunnelObj; |
| } |
| if ((Integer |
| .valueOf(tunnelObj.annotations().value(LOCAL_LSP_ID)) != ipv4LspIdenTlv.getLspId())) { |
| oldTunnelAnnotations = (SparseAnnotations) tunnelObj.annotations(); |
| } |
| } |
| } |
| DefaultTunnelDescription td; |
| SparseAnnotations annotations = null; |
| State tunnelState = PcepLspStatus.getTunnelStatusFromLspStatus(PcepLspStatus.values()[lspObj.getOFlag()]); |
| if (tunnel == null) { |
| if (lspObj.getRFlag()) { |
| /* |
| * If PCC sends remove message and for any reason PCE does not have that entry, simply discard the |
| * message. Or if PCRpt for initiated LSP received and PCE doesn't know, then too discard. |
| */ |
| return; |
| } |
| DeviceId deviceId = getDevice(pccId); |
| if (deviceId == null) { |
| log.error("Ingress deviceId not found"); |
| return; |
| } |
| String tempBandwidth = null; |
| String temoCostType = null; |
| if (oldTunnelAnnotations != null) { |
| tempBandwidth = oldTunnelAnnotations.value(BANDWIDTH); |
| temoCostType = oldTunnelAnnotations.value(COST_TYPE); |
| } |
| annotations = getAnnotations(lspObj, ipv4LspIdenTlv, tempBandwidth, lspType, |
| temoCostType, lspObj.getCFlag()); |
| td = new DefaultTunnelDescription(null, tunnelEndPointSrc, tunnelEndPointDst, MPLS, new GroupId( |
| 0), providerId, TunnelName.tunnelName(new String(pathNameTlv.getValue())), path, labelStack, |
| annotations); |
| // Do not support PCC initiated LSP after LSP DB sync is completed. |
| if (!lspObj.getSFlag() && !lspObj.getCFlag()) { |
| log.error("Received PCC initiated LSP while not in sync."); |
| return; |
| } |
| /* |
| * If ONOS instance is master for PCC then set delegated flag as annotation and add the tunnel to store. |
| * Because all LSPs need not be delegated, hence mastership for the PCC is confirmed whereas not the |
| * delegation set to all LSPs.If ONOS is not the master for that PCC then check if D flag is set, if yes |
| * wait for 2 seconds [while master has added the tunnel to the store] then update the tunnel. Tunnel is |
| * updated because in case of resilency only delegated LSPs are recomputed and only delegated PCE can |
| * send update message to that client. |
| * |
| * 1)Master can 1st get the Rpt message |
| * a)Master adds the tunnel into core. |
| * b)If a non-master for ingress gets Rpt message with D flag set[as delegation owner] |
| * after master, then runs timer then update the tunnel with D flag set. |
| * 2)Non-Master can 1st get the Rpt message |
| * a)Non-Master runs the timer check for the tunnel then updates the tunnel with D flag set |
| * b)Master would have got the message while the non-master running timer, hence master adds |
| * tunnel to core |
| * |
| * In general always master adds the tunnel to the core |
| * while delegated owner [master or non-master with D flag set] always updates the tunnel running timer |
| */ |
| if (mastershipService.isLocalMaster(deviceId)) { |
| TunnelId tId = tunnelAdded(td, tunnelState); |
| Tunnel tunnelInserted = new DefaultTunnel(providerId, tunnelEndPointSrc, tunnelEndPointDst, MPLS, |
| tunnelState, new GroupId(0), tId, TunnelName.tunnelName(String.valueOf(pathNameTlv |
| .getValue())), path, labelStack, annotations); |
| |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnelInserted, path, LSP_STATE_RPT); |
| pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspIdenTlv); |
| pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData); |
| } else if (!mastershipService.isLocalMaster(deviceId) && lspObj.getDFlag()) { |
| //Start timer then update the tunnel with D flag |
| tunnelUpdateInDelegatedCase(pccId, annotations, td, providerId, tunnelState, ipv4LspIdenTlv); |
| } |
| return; |
| } |
| //delegated owner will update can be a master or non-master |
| if (lspObj.getDFlag() && !lspObj.getRFlag()) { |
| tunnelUpdateForDelegatedLsp(tunnel, lspObj, |
| lspType, tunnelState, pccId, labelStack, ipv4LspIdenTlv); |
| return; |
| } |
| removeOrUpdatetunnel(tunnel, lspObj, providerId, tunnelState, ipv4LspIdenTlv); |
| } |
| |
| private void tunnelUpdateForDelegatedLsp(Tunnel tunnel, PcepLspObject lspObj, |
| LspType lspType, State tunnelState, PccId pccId, |
| NetworkResource labelStack, |
| StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv) { |
| SparseAnnotations annotations = null; |
| DefaultTunnelDescription td; |
| boolean isPceInit = tunnel.annotations().value(PCE_INIT) == null ? false : |
| Boolean.valueOf((tunnel.annotations().value(PCE_INIT))).booleanValue(); |
| annotations = getAnnotations(lspObj, ipv4LspIdenTlv, |
| tunnel.annotations().value(BANDWIDTH), lspType, |
| tunnel.annotations().value(COST_TYPE), isPceInit); |
| td = new DefaultTunnelDescription(null, tunnel.src(), tunnel.dst(), MPLS, new GroupId( |
| 0), tunnel.providerId(), tunnel.tunnelName(), |
| tunnel.path(), labelStack, annotations); |
| tunnelUpdateInDelegatedCase(pccId, annotations, td, tunnel.providerId(), tunnelState, ipv4LspIdenTlv); |
| } |
| |
| private void removeOrUpdatetunnel(Tunnel tunnel, PcepLspObject lspObj, ProviderId providerId, |
| State tunnelState, StatefulIPv4LspIdentifiersTlv ipv4LspIdenTlv) { |
| DefaultTunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(), tunnel.src(), tunnel.dst(), |
| tunnel.type(), tunnel.groupId(), providerId, tunnel.tunnelName(), tunnel.path(), |
| (SparseAnnotations) tunnel.annotations()); |
| if (lspObj.getRFlag()) { |
| tunnelRemoved(td); |
| } else { |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, tunnel.path(), LSP_STATE_RPT); |
| pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspIdenTlv); |
| pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData); |
| tunnelUpdated(td, tunnelState); |
| } |
| } |
| |
| private void tunnelUpdateInDelegatedCase(PccId pccId, SparseAnnotations annotations, |
| DefaultTunnelDescription td, ProviderId providerId, State tunnelState, |
| StatefulIPv4LspIdentifiersTlv ipv4LspIdentifiersTlv) { |
| // Wait for 2sec then query tunnel based on ingress PLSP-ID and local LSP-ID |
| |
| /* |
| * If ONOS is not the master for that PCC then check if D flag is set, if yes wait [while |
| * master has added the tunnel to the store] then update the tunnel. |
| */ |
| ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(); |
| |
| // Thread is started after 2 seconds first time later periodically after 2 seconds to update the tunnel |
| executor.scheduleAtFixedRate(new UpdateDelegation(td, providerId, annotations, pccId, |
| executor, tunnelState, ipv4LspIdentifiersTlv), DELAY, DELAY, TimeUnit.SECONDS); |
| } |
| |
| /** |
| * To build Path in network from ERO object. |
| * |
| * @param eroObj ERO object |
| * @param providerId provider id |
| * @return list of links and labels |
| */ |
| private List<Object> buildPathFromEroObj(PcepEroObject eroObj, ProviderId providerId) { |
| checkNotNull(eroObj); |
| List<Object> subObjList = new ArrayList<>(); |
| LinkedList<PcepValueType> llSubObj = eroObj.getSubObjects(); |
| if (llSubObj.isEmpty()) { |
| log.error("ERO in report message does not have hop information"); |
| return new ArrayList<>(); |
| } |
| ListIterator<PcepValueType> tlvIterator = llSubObj.listIterator(); |
| |
| ConnectPoint src = null; |
| ConnectPoint dst = null; |
| boolean isSrcSet = false; |
| while (tlvIterator.hasNext()) { |
| PcepValueType subObj = tlvIterator.next(); |
| switch (subObj.getType()) { |
| |
| case IPv4SubObject.TYPE: |
| |
| IPv4SubObject ipv4SubObj = (IPv4SubObject) subObj; |
| if (!isSrcSet) { |
| Iterable<Link> links = linkService.getActiveLinks(); |
| for (Link l : links) { |
| if (l.src().port().equals(PortNumber.portNumber(ipv4SubObj.getIpAddress()))) { |
| src = l.src(); |
| isSrcSet = true; |
| break; |
| } else if (l.dst().port().equals(PortNumber.portNumber(ipv4SubObj.getIpAddress()))) { |
| src = l.dst(); |
| isSrcSet = true; |
| break; |
| } |
| } |
| } else { |
| Iterable<Link> links = linkService.getActiveLinks(); |
| for (Link l : links) { |
| if (l.src().port().equals(PortNumber.portNumber(ipv4SubObj.getIpAddress()))) { |
| dst = l.src(); |
| break; |
| } else if (l.dst().port().equals(PortNumber.portNumber(ipv4SubObj.getIpAddress()))) { |
| dst = l.dst(); |
| break; |
| } |
| } |
| Link link = DefaultLink.builder() |
| .providerId(providerId) |
| .src(src) |
| .dst(dst) |
| .type(Link.Type.DIRECT) |
| .build(); |
| subObjList.add(link); |
| src = dst; |
| } |
| break; |
| case SrEroSubObject.TYPE: |
| SrEroSubObject srEroSubObj = (SrEroSubObject) subObj; |
| subObjList.add(srEroSubObj.getSid()); |
| |
| if (srEroSubObj.getSt() == PcepNaiIpv4Adjacency.ST_TYPE) { |
| PcepNaiIpv4Adjacency nai = (PcepNaiIpv4Adjacency) (srEroSubObj.getNai()); |
| int srcIp = nai.getLocalIpv4Addr(); |
| int dstIp = nai.getRemoteIpv4Addr(); |
| Iterable<Link> links = linkService.getActiveLinks(); |
| for (Link l : links) { |
| long lSrc = l.src().port().toLong(); |
| long lDst = l.dst().port().toLong(); |
| if (lSrc == srcIp) { |
| src = l.src(); |
| } else if (lDst == srcIp) { |
| src = l.dst(); |
| } |
| if (lSrc == dstIp) { |
| dst = l.src(); |
| } else if (lDst == dstIp) { |
| dst = l.dst(); |
| } |
| if (src != null && dst != null) { |
| break; |
| } |
| } |
| if (src == null || dst == null) { |
| return new ArrayList<>(); |
| } |
| Link link = DefaultLink.builder() |
| .providerId(providerId) |
| .src(src) |
| .dst(dst) |
| .type(Link.Type.DIRECT) |
| .build(); |
| subObjList.add(link); |
| } |
| default: |
| // the other sub objects are not required |
| } |
| } |
| return subObjList; |
| } |
| |
| @Override |
| public void clientConnected(PccId pccId) { |
| // TODO |
| } |
| |
| @Override |
| public void clientDisconnected(PccId pccId) { |
| // TODO |
| } |
| |
| @Override |
| public void handlePcepTunnelStatistics(PcepTunnelStatistics pcepTunnelStatistics) { |
| TunnelId id = getTunnelId(String.valueOf(pcepTunnelStatistics.id())); |
| TunnelStatistics tunnelStatistics = buildTunnelStatistics(pcepTunnelStatistics); |
| tunnelStatisticsMap.put(id, tunnelStatistics); |
| } |
| |
| @Override |
| public void handleEndOfSyncAction(Tunnel tunnel, PcepLspSyncAction endOfSyncAction) { |
| |
| if (endOfSyncAction == SEND_UPDATE) { |
| updateTunnel(tunnel, tunnel.path()); |
| return; |
| } |
| |
| TunnelDescription td = new DefaultTunnelDescription(tunnel.tunnelId(), |
| tunnel.src(), tunnel.dst(), |
| tunnel.type(), |
| tunnel.groupId(), |
| tunnel.providerId(), |
| tunnel.tunnelName(), |
| tunnel.path(), |
| (SparseAnnotations) tunnel.annotations()); |
| |
| |
| if (endOfSyncAction == PcepLspSyncAction.UNSTABLE) { |
| // Send PCInit msg again after global reoptimization. |
| tunnelUpdated(td, UNSTABLE); |
| |
| // To remove the old tunnel from store whose PLSPID is not recognized by ingress PCC. |
| tunnelRemoved(td); |
| } else if (endOfSyncAction == REMOVE) { |
| tunnelRemoved(td); |
| } |
| } |
| } |
| @Override |
| public Tunnel tunnelQueryById(TunnelId tunnelId) { |
| return service.tunnelQueryById(tunnelId); |
| } |
| |
| private DeviceId getDevice(PccId pccId) { |
| // Get lsrId of the PCEP client from the PCC ID. Session info is based on lsrID. |
| IpAddress lsrId = pccId.ipAddress(); |
| String lsrIdentifier = String.valueOf(lsrId); |
| |
| // Find PCC deviceID from lsrId stored as annotations |
| Iterable<Device> devices = deviceService.getAvailableDevices(); |
| for (Device dev : devices) { |
| if (dev.annotations().value(AnnotationKeys.TYPE).equals("L3") |
| && dev.annotations().value(LSRID).equals(lsrIdentifier)) { |
| return dev.id(); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Updates the tunnel with updated tunnel annotation after a delay of two seconds and checks it till |
| * tunnel is found. |
| */ |
| private class UpdateDelegation implements Runnable { |
| DefaultTunnelDescription td; |
| ProviderId providerId; |
| SparseAnnotations annotations; |
| PccId pccId; |
| ScheduledExecutorService executor; |
| State tunnelState; |
| StatefulIPv4LspIdentifiersTlv ipv4LspIdentifiersTlv; |
| |
| /** |
| * Creates an instance of UpdateDelegation. |
| * |
| * @param td tunnel description |
| * @param providerId provider id |
| * @param annotations tunnel annotations |
| * @param pccId PCEP client id |
| * @param executor service of delegated owner |
| */ |
| public UpdateDelegation(DefaultTunnelDescription td, ProviderId providerId, SparseAnnotations annotations, |
| PccId pccId, ScheduledExecutorService executor, State tunnelState, |
| StatefulIPv4LspIdentifiersTlv ipv4LspIdentifiersTlv) { |
| this.td = td; |
| this.providerId = providerId; |
| this.annotations = annotations; |
| this.pccId = pccId; |
| this.executor = executor; |
| this.tunnelState = tunnelState; |
| this.ipv4LspIdentifiersTlv = ipv4LspIdentifiersTlv; |
| } |
| |
| //Temporary using annotations later will use projection/network config service |
| @Override |
| public void run() { |
| Collection<Tunnel> tunnelQueryResult = tunnelService.queryTunnel(td.src(), td.dst()); |
| TunnelId tempTunnelId = null; |
| for (Tunnel t : tunnelQueryResult) { |
| if (t.annotations().value(LOCAL_LSP_ID) == null || t.annotations().value(PLSP_ID) == null) { |
| continue; |
| } |
| |
| if (t.annotations().value(LOCAL_LSP_ID).equals(td.annotations().value(LOCAL_LSP_ID)) |
| && t.annotations().value(PLSP_ID).equals(td.annotations().value(PLSP_ID)) |
| && ((IpTunnelEndPoint) t.src()).ip().equals(pccId.id())) { |
| tempTunnelId = t.tunnelId(); |
| break; |
| } |
| } |
| |
| //If tunnel is found update the tunnel and shutdown the thread otherwise thread will be executing |
| //periodically |
| if (tempTunnelId != null) { |
| Tunnel tunnel = new DefaultTunnel(providerId, td.src(), td.dst(), MPLS, new GroupId(0), |
| tempTunnelId, td.tunnelName(), td.path(), annotations); |
| PcepTunnelData pcepTunnelData = new PcepTunnelData(tunnel, tunnel.path(), LSP_STATE_RPT); |
| pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspIdentifiersTlv); |
| pcepTunnelData.setLspDFlag(Boolean.valueOf(tunnel.annotations().value(DELEGATE))); |
| pcepTunnelApiMapper.addToTunnelIdMap(pcepTunnelData); |
| tunnelUpdated(tunnel, td.path(), tunnelState); |
| executor.shutdown(); |
| try { |
| executor.awaitTermination(WAIT_TIME, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| log.error("updating delegation failed"); |
| } |
| } |
| } |
| } |
| } |