*/
package org.opendaylight.bgpcep.pcep.topology.provider;
-import com.google.common.base.Charsets;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListenableFuture;
import java.net.InetAddress;
import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
+import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
+import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.controller.config.yang.pcep.topology.provider.PeerCapabilities;
import org.opendaylight.protocol.pcep.PCEPSession;
import org.opendaylight.protocol.pcep.spi.PCEPErrors;
+import org.opendaylight.protocol.pcep.spi.PSTUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.PathComputationClient1;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.PathComputationClient1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.lsp.db.version.tlv.LspDbVersion;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Lsp1;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.PcinitiateBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Srp1;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Srp1Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.symbolic.path.name.tlv.SymbolicPathNameBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.EroBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.open.Tlvs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.setup.type.tlv.PathSetupType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.AddLspArgs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.EnsureLspOperationalInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.LspId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.OperationResult;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.PccSyncState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.RemoveLspArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.TriggerSyncArgs;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.UpdateLspArgs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClient;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClientBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLsp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLspBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.StatefulTlvBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.Path;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-final class Stateful07TopologySessionListener extends AbstractTopologySessionListener<SrpIdNumber, PlspId> {
+class Stateful07TopologySessionListener extends AbstractTopologySessionListener<SrpIdNumber, PlspId> {
private static final Logger LOG = LoggerFactory.getLogger(Stateful07TopologySessionListener.class);
private final AtomicLong requestId = new AtomicLong(1L);
+ @GuardedBy("this")
+ private final List<PlspId> staleLsps = new ArrayList<>();
+
/**
+ * Creates a new stateful topology session listener for given server session manager.
+ *
* @param serverSessionManager
*/
Stateful07TopologySessionListener(final ServerSessionManager serverSessionManager) {
final Stateful stateful = tlvs.getAugmentation(Tlvs1.class).getStateful();
if (stateful != null) {
getSessionListenerState().setPeerCapabilities(getCapabilities(stateful));
- pccBuilder.setReportedLsp(Collections.<ReportedLsp> emptyList());
- pccBuilder.setStateSync(PccSyncState.InitialResync);
+ pccBuilder.setReportedLsp(Collections.emptyList());
+ if (isSynchronized()) {
+ pccBuilder.setStateSync(PccSyncState.Synchronized);
+ } else if (isTriggeredInitialSynchro()) {
+ pccBuilder.setStateSync(PccSyncState.TriggeredInitialSync);
+ } else if (isIncrementalSynchro()) {
+ pccBuilder.setStateSync(PccSyncState.IncrementalSync);
+ } else {
+ pccBuilder.setStateSync(PccSyncState.InitialResync);
+ }
pccBuilder.setStatefulTlv(new StatefulTlvBuilder().addAugmentation(StatefulTlv1.class,
new StatefulTlv1Builder(tlvs.getAugmentation(Tlvs1.class)).build()).build());
} else {
}
}
+ /**
+ * @param input
+ * @return
+ */
+ @Override
+ public synchronized ListenableFuture<OperationResult> triggerSync(final TriggerSyncArgs input) {
+ if (isTriggeredInitialSynchro() && !isSynchronized()) {
+ return triggerSynchronization(input);
+ } else if (getSynchronized() && isTriggeredReSyncEnabled()) {
+ Preconditions.checkArgument(input != null && input.getNode() != null, MISSING_XML_TAG);
+ if (input.getName() == null) {
+ return triggerResyncronization(input);
+ } else {
+ return triggerLspSyncronization(input);
+ }
+ }
+ return OperationResults.UNSENT.future();
+ }
+
+ private ListenableFuture<OperationResult> triggerLspSyncronization(final TriggerSyncArgs input) {
+ LOG.trace("Trigger Lsp Resynchronization {}", input);
+
+ // Make sure the LSP exists
+ final InstanceIdentifier<ReportedLsp> lsp = lspIdentifier(input.getName());
+ final ListenableFuture<Optional<ReportedLsp>> f = readOperationalData(lsp);
+ if (f == null) {
+ return OperationResults.createUnsent(PCEPErrors.LSP_INTERNAL_ERROR).future();
+ }
+ return Futures.transformAsync(f, new ResyncLspFunction(input));
+ }
+
+ private ListenableFuture<OperationResult> triggerResyncronization(final TriggerSyncArgs input) {
+ LOG.trace("Trigger Resynchronization {}", input);
+ markAllLspAsStale();
+ updatePccState(PccSyncState.PcepTriggeredResync);
+ final PcupdMessageBuilder pcupdMessageBuilder = new PcupdMessageBuilder(MESSAGE_HEADER);
+ final SrpIdNumber srpIdNumber = createUpdateMessageSync(pcupdMessageBuilder);
+ final Message msg = new PcupdBuilder().setPcupdMessage(pcupdMessageBuilder.build()).build();
+ return sendMessage(msg, srpIdNumber, null);
+ }
+
+ private ListenableFuture<OperationResult> triggerSynchronization(final TriggerSyncArgs input) {
+ LOG.trace("Trigger Initial Synchronization {}", input);
+ final PcupdMessageBuilder pcupdMessageBuilder = new PcupdMessageBuilder(MESSAGE_HEADER);
+ final SrpIdNumber srpIdNumber = createUpdateMessageSync(pcupdMessageBuilder);
+ final Message msg = new PcupdBuilder().setPcupdMessage(pcupdMessageBuilder.build()).build();
+ return sendMessage(msg, srpIdNumber, null);
+ }
+
+ private SrpIdNumber createUpdateMessageSync(final PcupdMessageBuilder pcupdMessageBuilder) {
+ final UpdatesBuilder updBuilder = new UpdatesBuilder();
+ // LSP mandatory in Upd
+ final Lsp lsp = new LspBuilder().setPlspId(new PlspId(0L)).setSync(Boolean.TRUE).build();
+ // SRP Mandatory in Upd
+ final SrpBuilder srpBuilder = new SrpBuilder();
+ // not sue whether use 0 instead of nextRequest() or do not insert srp == SRP-ID-number = 0
+ srpBuilder.setOperationId(nextRequest());
+ final Srp srp = srpBuilder.build();
+ //ERO Mandatory in Upd
+ final PathBuilder pb = new PathBuilder();
+ pb.setEro(new EroBuilder().build());
+
+ updBuilder.setPath(pb.build());
+ updBuilder.setLsp(lsp).setSrp(srp).setPath(pb.build());
+
+ pcupdMessageBuilder.setUpdates(Collections.singletonList(updBuilder.build()));
+ return srp.getOperationId();
+ }
+
+ private void markAllLspAsStale() {
+ for (final PlspId plspId : this.lsps.keySet()) {
+ this.staleLsps.add(plspId);
+ }
+ }
+
+ private class ResyncLspFunction implements AsyncFunction<Optional<ReportedLsp>, OperationResult> {
+
+ private final TriggerSyncArgs input;
+
+ public ResyncLspFunction(final TriggerSyncArgs input) {
+ this.input = input;
+ }
+
+ @Override
+ public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
+ final Lsp reportedLsp = validateReportedLsp(rep, this.input);
+ if (reportedLsp == null || !rep.isPresent()) {
+ return OperationResults.createUnsent(PCEPErrors.UNKNOWN_PLSP_ID).future();
+ }
+ // mark lsp as stale
+ final ReportedLsp staleLsp = rep.get();
+ if (!staleLsp.getPath().isEmpty()) {
+ final Path1 path1 = staleLsp.getPath().get(0).getAugmentation(Path1.class);
+ if (path1 != null) {
+ Stateful07TopologySessionListener.this.staleLsps.add(path1.getLsp().getPlspId());
+ }
+ }
+ updatePccState(PccSyncState.PcepTriggeredResync);
+ // create PCUpd with mandatory objects and LSP object set to 1
+ final SrpBuilder srpBuilder = new SrpBuilder();
+ srpBuilder.setOperationId(nextRequest());
+ srpBuilder.setProcessingRule(Boolean.TRUE);
+
+ final Optional<PathSetupType> maybePST = getPST(rep);
+ if (maybePST.isPresent()) {
+ srpBuilder.setTlvs(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder()
+ .setPathSetupType(maybePST.get()).build());
+ }
+
+ final Srp srp = srpBuilder.build();
+ final Lsp lsp = new LspBuilder().setPlspId(reportedLsp.getPlspId()).setSync(Boolean.TRUE).build();
+
+ final Message msg = createPcepUpd(srp,lsp);
+ return sendMessage(msg, srp.getOperationId(), null);
+ }
+
+ private Message createPcepUpd(final Srp srp, final Lsp lsp) {
+ final UpdatesBuilder rb = new UpdatesBuilder();
+ rb.setSrp(srp);
+ rb.setLsp(lsp);
+ final PathBuilder pb = new PathBuilder();
+ rb.setPath(pb.build());
+ final PcupdMessageBuilder ub = new PcupdMessageBuilder(MESSAGE_HEADER);
+ ub.setUpdates(Collections.singletonList(rb.build()));
+ return new PcupdBuilder().setPcupdMessage(ub.build()).build();
+ }
+ }
+
private boolean handleErrorMessage(final PcerrMessage message) {
final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage errMsg = message.getPcerrMessage();
if (errMsg.getErrorType() instanceof StatefulCase) {
return false;
}
+ private boolean isSolicited(final Srp srp, final Lsp lsp, final MessageContext ctx, final ReportedLspBuilder rlb) {
+ if (srp == null) {
+ return false;
+ }
+ final SrpIdNumber id = srp.getOperationId();
+ if (id.getValue() == 0) {
+ return false;
+ }
+ switch (lsp.getOperational()) {
+ case Active:
+ case Down:
+ case Up:
+ if(!isTriggeredSyncInProcess()) {
+ final PCEPRequest req = removeRequest(id);
+ if (req != null) {
+ LOG.debug("Request {} resulted in LSP operational state {}", id, lsp.getOperational());
+ rlb.setMetadata(req.getMetadata());
+ ctx.resolveRequest(req);
+ } else {
+ LOG.warn("Request ID {} not found in outstanding DB", id);
+ }
+ }
+ break;
+ case GoingDown:
+ case GoingUp:
+ // These are transitive states, so we don't have to do anything, as they will be followed
+ // up...
+ break;
+ default:
+ break;
+ }
+ return true;
+ }
+
+ private boolean manageNextReport(final Reports report, final MessageContext ctx) {
+ final Lsp lsp = report.getLsp();
+ final PlspId plspid = lsp.getPlspId();
+ final Srp srp = report.getSrp();
+
+ if (!lsp.isSync() && (plspid == null || plspid.getValue() == 0)) {
+ purgeStaleLsps(ctx);
+ if(isTriggeredSyncInProcess()) {
+ if (srp == null) {
+ return false;
+ }
+ final SrpIdNumber id = srp.getOperationId();
+ if (id.getValue() == 0) {
+ return false;
+ }
+ final PCEPRequest req = removeRequest(id);
+ ctx.resolveRequest(req);
+ }
+ stateSynchronizationAchieved(ctx);
+ return true;
+ }
+ final ReportedLspBuilder rlb = new ReportedLspBuilder();
+ boolean solicited = false;
+ solicited = isSolicited(srp, lsp, ctx, rlb);
+
+ // if remove flag is set in SRP object, remove the tunnel immediately
+ if (solicited && srp.getAugmentation(Srp1.class) != null) {
+ final Srp1 initiatedSrp = srp.getAugmentation(Srp1.class);
+ if (initiatedSrp.isRemove()) {
+ super.removeLsp(ctx, plspid);
+ return false;
+ }
+ }
+ rlb.setPath(Collections.singletonList(buildPath(report, srp, lsp)));
+
+ String name = lookupLspName(plspid);
+ if (lsp.getTlvs() != null && lsp.getTlvs().getSymbolicPathName() != null) {
+ name = StandardCharsets.UTF_8.decode(ByteBuffer.wrap(lsp.getTlvs().getSymbolicPathName().getPathName().getValue())).toString();
+ }
+ //get LspDB from LSP and write it to pcc's node
+ final LspDbVersion lspDbVersion = geLspDbVersionTlv(lsp);
+ if (lspDbVersion != null) {
+ updatePccNode(ctx, new PathComputationClientBuilder().addAugmentation(PathComputationClient1.class,
+ new PathComputationClient1Builder().setLspDbVersion(lspDbVersion).build()).build());
+ }
+ updateLsp(ctx, plspid, name, rlb, solicited, lsp.isRemove());
+ unmarkStaleLsp(plspid);
+
+ LOG.debug("LSP {} updated", lsp);
+ return true;
+ }
+
+ private static LspDbVersion geLspDbVersionTlv(final Lsp lsp) {
+ final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.Tlvs tlvs = lsp.getTlvs();
+ if (tlvs != null && tlvs.getAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Tlvs1.class) != null) {
+ return tlvs.getAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Tlvs1.class).getLspDbVersion();
+ }
+ return null;
+ }
+
+ private Path buildPath(final Reports report, final Srp srp, final Lsp lsp) {
+ final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathBuilder pb = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathBuilder();
+ if (report.getPath() != null) {
+ pb.fieldsFrom(report.getPath());
+ }
+ // LSP is mandatory (if there is none, parser will throw an exception)
+ // this is to ensure a path will be created at any rate
+ final Path1Builder p1Builder = new Path1Builder();
+ p1Builder.setLsp(report.getLsp());
+ final PathSetupType pst;
+ if (srp != null && srp.getTlvs() != null && srp.getTlvs().getPathSetupType() != null) {
+ pst = srp.getTlvs().getPathSetupType();
+ p1Builder.setPathSetupType(pst);
+ } else {
+ pst = null;
+ }
+ pb.addAugmentation(Path1.class, p1Builder.build());
+ final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.Tlvs tlvs = report.getLsp().getTlvs();
+ if (tlvs != null) {
+ if (tlvs.getLspIdentifiers() != null) {
+ pb.setLspId(tlvs.getLspIdentifiers().getLspId());
+ } else if (!PSTUtil.isDefaultPST(pst)) {
+ pb.setLspId(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId(lsp.getPlspId().getValue()));
+ }
+ }
+ return pb.build();
+ }
+
@Override
protected boolean onMessage(final MessageContext ctx, final Message message) {
if (message instanceof PcerrMessage) {
getSessionListenerState().updateLastReceivedRptMsg();
final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.PcrptMessage rpt = ((PcrptMessage) message).getPcrptMessage();
for (final Reports report : rpt.getReports()) {
- final Lsp lsp = report.getLsp();
- final PlspId plspid = lsp.getPlspId();
- if (!lsp.isSync() && (lsp.getPlspId() == null || plspid.getValue() == 0)) {
- stateSynchronizationAchieved(ctx);
- continue;
+ if (!manageNextReport(report, ctx)) {
+ return false;
}
- final ReportedLspBuilder rlb = new ReportedLspBuilder();
- boolean solicited = false;
- final Srp srp = report.getSrp();
- if (srp != null) {
- final SrpIdNumber id = srp.getOperationId();
- if (id.getValue() != 0) {
- solicited = true;
-
- switch (lsp.getOperational()) {
- case Active:
- case Down:
- case Up:
- final PCEPRequest req = removeRequest(id);
- if (req != null) {
- LOG.debug("Request {} resulted in LSP operational state {}", id, lsp.getOperational());
- rlb.setMetadata(req.getMetadata());
- ctx.resolveRequest(req);
- } else {
- LOG.warn("Request ID {} not found in outstanding DB", id);
- }
- break;
- case GoingDown:
- case GoingUp:
- // These are transitive states, so we don't have to do anything, as they will be followed
- // up...
- break;
- default:
- break;
- }
- // if remove flag is set in SRP object, remove the tunnel immediately
- if (srp.getAugmentation(Srp1.class) != null) {
- final Srp1 initiatedSrp = srp.getAugmentation(Srp1.class);
- if (initiatedSrp.isRemove()) {
- super.removeLsp(ctx, plspid);
- return false;
- }
- }
- }
- }
- final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathBuilder pb = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathBuilder();
- if (report.getPath() != null) {
- pb.fieldsFrom(report.getPath());
- }
- // LSP is mandatory (if there is none, parser will throw an exception)
- // this is to ensure a path will be created at any rate
- pb.addAugmentation(Path1.class, new Path1Builder().setLsp(report.getLsp()).build());
- String name = lookupLspName(plspid);
- final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.Tlvs tlvs = report.getLsp().getTlvs();
- if (tlvs != null) {
- if (tlvs.getLspIdentifiers() != null) {
- pb.setLspId(tlvs.getLspIdentifiers().getLspId());
- }
- if (tlvs.getSymbolicPathName() != null) {
- name = Charsets.UTF_8.decode(ByteBuffer.wrap(tlvs.getSymbolicPathName().getPathName().getValue())).toString();
- }
- }
- rlb.setPath(Collections.singletonList(pb.build()));
- updateLsp(ctx, plspid, name, rlb, solicited, lsp.isRemove());
- LOG.debug("LSP {} updated", lsp);
}
return false;
}
return new SrpIdNumber(this.requestId.getAndIncrement());
}
+ private class AddFunction implements AsyncFunction<Optional<ReportedLsp>, OperationResult> {
+
+ private final AddLspArgs input;
+ private final InstanceIdentifier<ReportedLsp> lsp;
+
+ public AddFunction(final AddLspArgs input, final InstanceIdentifier<ReportedLsp> lsp) {
+ this.input = input;
+ this.lsp = lsp;
+ }
+
+ @Override
+ public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
+ if (rep.isPresent()) {
+ LOG.debug("Node {} already contains lsp {} at {}", this.input.getNode(), this.input.getName(), this.lsp);
+ return OperationResults.createUnsent(PCEPErrors.USED_SYMBOLIC_PATH_NAME).future();
+ }
+ if (!getPeerCapabilities().getInstantiation()) {
+ return OperationResults.createUnsent(PCEPErrors.CAPABILITY_NOT_SUPPORTED).future();
+ }
+
+ // Build the request
+ final RequestsBuilder rb = new RequestsBuilder();
+ final Arguments2 args = this.input.getArguments().getAugmentation(Arguments2.class);
+ final Lsp inputLsp = (args != null) ? args.getLsp() : null;
+ if (inputLsp == null) {
+ return OperationResults.createUnsent(PCEPErrors.LSP_MISSING).future();
+ }
+
+ rb.fieldsFrom(this.input.getArguments());
+
+ final TlvsBuilder tlvsBuilder;
+ if (inputLsp.getTlvs() != null) {
+ tlvsBuilder = new TlvsBuilder(inputLsp.getTlvs());
+ } else {
+ tlvsBuilder = new TlvsBuilder();
+ }
+ tlvsBuilder.setSymbolicPathName(
+ new SymbolicPathNameBuilder().setPathName(new SymbolicPathName(this.input.getName().getBytes(StandardCharsets.UTF_8))).build());
+
+ final SrpBuilder srpBuilder = new SrpBuilder();
+ srpBuilder.setOperationId(nextRequest());
+ srpBuilder.setProcessingRule(Boolean.TRUE);
+ if (!PSTUtil.isDefaultPST(args.getPathSetupType())) {
+ srpBuilder.setTlvs(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder()
+ .setPathSetupType(args.getPathSetupType()).build());
+ }
+ rb.setSrp(srpBuilder.build());
+
+ rb.setLsp(new LspBuilder().setAdministrative(inputLsp.isAdministrative()).setDelegate(inputLsp.isDelegate()).setPlspId(
+ new PlspId(0L)).setTlvs(tlvsBuilder.build()).build());
+
+ final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder(MESSAGE_HEADER);
+ ib.setRequests(Collections.singletonList(rb.build()));
+
+ // Send the message
+ return sendMessage(new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build(), rb.getSrp().getOperationId(),
+ this.input.getArguments().getMetadata());
+ }
+ }
+
@Override
public synchronized ListenableFuture<OperationResult> addLsp(final AddLspArgs input) {
Preconditions.checkArgument(input != null && input.getName() != null && input.getNode() != null && input.getArguments() != null, MISSING_XML_TAG);
if (f == null) {
return OperationResults.createUnsent(PCEPErrors.LSP_INTERNAL_ERROR).future();
}
-
- return Futures.transform(f, new AsyncFunction<Optional<ReportedLsp>, OperationResult>() {
- @Override
- public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
- if (rep.isPresent()) {
- LOG.debug("Node {} already contains lsp {} at {}", input.getNode(), input.getName(), lsp);
- return OperationResults.createUnsent(PCEPErrors.USED_SYMBOLIC_PATH_NAME).future();
- }
- if (!getPeerCapabilities().getInstantiation()) {
- return OperationResults.createUnsent(PCEPErrors.CAPABILITY_NOT_SUPPORTED).future();
- }
-
- // Build the request
- final RequestsBuilder rb = new RequestsBuilder();
- final Arguments2 args = input.getArguments().getAugmentation(Arguments2.class);
- Preconditions.checkArgument(args != null, "Input is missing operational tag.");
- final Lsp inputLsp = args.getLsp();
- Preconditions.checkArgument(inputLsp != null, "Reported LSP does not contain LSP object.");
-
- rb.fieldsFrom(input.getArguments());
-
- final TlvsBuilder tlvsBuilder = new TlvsBuilder();
- tlvsBuilder.setSymbolicPathName(
- new SymbolicPathNameBuilder().setPathName(new SymbolicPathName(input.getName().getBytes(Charsets.UTF_8))).build());
- if (inputLsp.getTlvs() != null) {
- tlvsBuilder.setVsTlv(inputLsp.getTlvs().getVsTlv());
- }
-
- rb.setSrp(new SrpBuilder().setOperationId(nextRequest()).setProcessingRule(Boolean.TRUE).build());
- rb.setLsp(new LspBuilder().setAdministrative(inputLsp.isAdministrative()).setDelegate(inputLsp.isDelegate()).setPlspId(
- new PlspId(0L)).setTlvs(tlvsBuilder.build()).build());
-
- final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder(MESSAGE_HEADER);
- ib.setRequests(Collections.singletonList(rb.build()));
-
- // Send the message
- return sendMessage(new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build(), rb.getSrp().getOperationId(),
- input.getArguments().getMetadata());
- }
- });
+ return Futures.transformAsync(f, new AddFunction(input, lsp));
}
@Override
if (f == null) {
return OperationResults.createUnsent(PCEPErrors.LSP_INTERNAL_ERROR).future();
}
+ return Futures.transformAsync(f, rep -> {
+ final Lsp reportedLsp = validateReportedLsp(rep, input);
+ if (reportedLsp == null) {
+ return OperationResults.createUnsent(PCEPErrors.UNKNOWN_PLSP_ID).future();
+ }
+ final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder(MESSAGE_HEADER);
+ final Requests rb = buildRequest(rep, reportedLsp);
+ ib.setRequests(Collections.singletonList(rb));
+ return sendMessage(new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build(), rb.getSrp().getOperationId(), null);
+ });
+ }
+
+ private Requests buildRequest(final Optional<ReportedLsp> rep, final Lsp reportedLsp) {
+ // Build the request and send it
+ final RequestsBuilder rb = new RequestsBuilder();
+ final SrpBuilder srpBuilder = new SrpBuilder().addAugmentation(Srp1.class, new Srp1Builder().setRemove(Boolean.TRUE).build()).setOperationId(nextRequest()).setProcessingRule(Boolean.TRUE);
+ final Optional<PathSetupType> maybePST = getPST(rep);
+ if (maybePST.isPresent()) {
+ srpBuilder.setTlvs(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder()
+ .setPathSetupType(maybePST.get())
+ .build());
+ }
+ rb.setSrp(srpBuilder.build());
+ rb.setLsp(new LspBuilder().setRemove(Boolean.FALSE).setPlspId(reportedLsp.getPlspId()).setDelegate(reportedLsp.isDelegate()).build());
+ return rb.build();
+ }
+
+ private class UpdateFunction implements AsyncFunction<Optional<ReportedLsp>, OperationResult> {
- return Futures.transform(f, new AsyncFunction<Optional<ReportedLsp>, OperationResult>() {
- @Override
- public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
- final Lsp reportedLsp = validateReportedLsp(rep, input);
- if (reportedLsp == null) {
- return OperationResults.createUnsent(PCEPErrors.UNKNOWN_PLSP_ID).future();
+ private final UpdateLspArgs input;
+
+ public UpdateFunction(final UpdateLspArgs input) {
+ this.input = input;
+ }
+
+ @Override
+ public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
+ final Lsp reportedLsp = validateReportedLsp(rep, this.input);
+ if (reportedLsp == null) {
+ return OperationResults.createUnsent(PCEPErrors.UNKNOWN_PLSP_ID).future();
+ }
+ // create mandatory objects
+ final Arguments3 args = this.input.getArguments().getAugmentation(Arguments3.class);
+ final SrpBuilder srpBuilder = new SrpBuilder();
+ srpBuilder.setOperationId(nextRequest());
+ srpBuilder.setProcessingRule(Boolean.TRUE);
+ if ((args != null && args.getPathSetupType() != null)) {
+ if (!PSTUtil.isDefaultPST(args.getPathSetupType())) {
+ srpBuilder.setTlvs(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder()
+ .setPathSetupType(args.getPathSetupType()).build());
+ }
+ } else {
+ final Optional<PathSetupType> maybePST = getPST(rep);
+ if (maybePST.isPresent()) {
+ srpBuilder.setTlvs(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.srp.TlvsBuilder()
+ .setPathSetupType(maybePST.get()).build());
}
- // Build the request and send it
- final RequestsBuilder rb = new RequestsBuilder();
- rb.setSrp(new SrpBuilder().addAugmentation(Srp1.class, new Srp1Builder().setRemove(Boolean.TRUE).build()).setOperationId(nextRequest()).setProcessingRule(Boolean.TRUE).build());
- rb.setLsp(new LspBuilder().setRemove(Boolean.FALSE).setPlspId(reportedLsp.getPlspId()).setDelegate(reportedLsp.isDelegate()).build());
-
- final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder(MESSAGE_HEADER);
- ib.setRequests(Collections.singletonList(rb.build()));
- return sendMessage(new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build(), rb.getSrp().getOperationId(), null);
}
- });
+ final Srp srp = srpBuilder.build();
+ final Lsp inputLsp = (args != null) ? args.getLsp() : null;
+ final LspBuilder lspBuilder = new LspBuilder().setPlspId(reportedLsp.getPlspId());
+ if (inputLsp != null) {
+ lspBuilder.setDelegate(inputLsp.isDelegate() != null && inputLsp.isDelegate())
+ .setTlvs(inputLsp.getTlvs())
+ .setAdministrative(inputLsp.isAdministrative() != null && inputLsp.isAdministrative());
+ }
+ return redelegate(reportedLsp, srp, lspBuilder.build(), this.input);
+ }
+ }
+
+ private ListenableFuture<OperationResult> redelegate(final Lsp reportedLsp, final Srp srp, final Lsp lsp, final UpdateLspArgs input) {
+ // the D bit that was reported decides the type of PCE message sent
+ Preconditions.checkNotNull(reportedLsp.isDelegate());
+ final Message msg;
+ if (reportedLsp.isDelegate()) {
+ // we already have delegation, send update
+ final UpdatesBuilder rb = new UpdatesBuilder();
+ rb.setSrp(srp);
+ rb.setLsp(lsp);
+ final PathBuilder pb = new PathBuilder();
+ pb.fieldsFrom(input.getArguments());
+ rb.setPath(pb.build());
+ final PcupdMessageBuilder ub = new PcupdMessageBuilder(MESSAGE_HEADER);
+ ub.setUpdates(Collections.singletonList(rb.build()));
+ msg = new PcupdBuilder().setPcupdMessage(ub.build()).build();
+ } else {
+ final Lsp1 lspCreateFlag = reportedLsp.getAugmentation(Lsp1.class);
+ // we only retake delegation for PCE initiated tunnels
+ if (lspCreateFlag != null && !lspCreateFlag.isCreate()) {
+ LOG.warn("Unable to retake delegation of PCC-initiated tunnel: {}", reportedLsp);
+ return OperationResults.createUnsent(PCEPErrors.UPDATE_REQ_FOR_NON_LSP).future();
+ }
+ // we want to revoke delegation, different type of message
+ // is sent because of specification by Siva
+ // this message is also sent, when input delegate bit is set to 0
+ // generating an error in PCC
+ final List<Requests> reqs = new ArrayList<>();
+ reqs.add(new RequestsBuilder().setSrp(srp).setLsp(lsp).build());
+ final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder();
+ ib.setRequests(reqs);
+ msg = new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build();
+ }
+ return sendMessage(msg, srp.getOperationId(), input.getArguments().getMetadata());
}
@Override
if (f == null) {
return OperationResults.createUnsent(PCEPErrors.LSP_INTERNAL_ERROR).future();
}
-
- return Futures.transform(f, new AsyncFunction<Optional<ReportedLsp>, OperationResult>() {
- @Override
- public ListenableFuture<OperationResult> apply(final Optional<ReportedLsp> rep) {
- final Lsp reportedLsp = validateReportedLsp(rep, input);
- if (reportedLsp == null) {
- return OperationResults.createUnsent(PCEPErrors.UNKNOWN_PLSP_ID).future();
- }
- // create mandatory objects
- final Srp srp = new SrpBuilder().setOperationId(nextRequest()).setProcessingRule(Boolean.TRUE).build();
-
- final Lsp inputLsp = input.getArguments().getAugmentation(Arguments3.class).getLsp();
- final Lsp lsp = (inputLsp != null) ?
- new LspBuilder().setPlspId(reportedLsp.getPlspId()).setDelegate((inputLsp.isDelegate() != null) ? inputLsp.isDelegate() : false).setTlvs(inputLsp.getTlvs()).setAdministrative((inputLsp.isAdministrative() != null) ? inputLsp.isAdministrative() : false).build()
- : new LspBuilder().setPlspId(reportedLsp.getPlspId()).build();
- Message msg = null;
- // the D bit that was reported decides the type of PCE message sent
- Preconditions.checkNotNull(reportedLsp.isDelegate());
- if (reportedLsp.isDelegate()) {
- // we already have delegation, send update
- final UpdatesBuilder rb = new UpdatesBuilder();
- rb.setSrp(srp);
- rb.setLsp(lsp);
- final PathBuilder pb = new PathBuilder();
- pb.fieldsFrom(input.getArguments());
- rb.setPath(pb.build());
- final PcupdMessageBuilder ub = new PcupdMessageBuilder(MESSAGE_HEADER);
- ub.setUpdates(Collections.singletonList(rb.build()));
- msg = new PcupdBuilder().setPcupdMessage(ub.build()).build();
- } else {
- // we want to revoke delegation, different type of message
- // is sent because of specification by Siva
- // this message is also sent, when input delegate bit is set to 0
- // generating an error in PCC
- final List<Requests> reqs = new ArrayList<>();
- reqs.add(new RequestsBuilder().setSrp(srp).setLsp(lsp).build());
- final PcinitiateMessageBuilder ib = new PcinitiateMessageBuilder();
- ib.setRequests(reqs);
- msg = new PcinitiateBuilder().setPcinitiateMessage(ib.build()).build();
- }
- return sendMessage(msg, srp.getOperationId(), input.getArguments().getMetadata());
- }
- });
+ return Futures.transformAsync(f, new UpdateFunction(input));
}
@Override
if (f == null) {
return OperationResults.createUnsent(PCEPErrors.LSP_INTERNAL_ERROR).future();
}
+ return listenableFuture(f, input, op);
+ }
- return Futures.transform(f, new Function<Optional<ReportedLsp>, OperationResult>() {
- @Override
- public OperationResult apply(final Optional<ReportedLsp> rep) {
- if (!rep.isPresent()) {
- LOG.debug("Node {} does not contain LSP {}", input.getNode(), input.getName());
+ private ListenableFuture<OperationResult> listenableFuture(final ListenableFuture<Optional<ReportedLsp>> f, final EnsureLspOperationalInput input, final OperationalStatus op) {
+ return Futures.transform(f, (Function<Optional<ReportedLsp>, OperationResult>) rep -> {
+ if (!rep.isPresent()) {
+ LOG.debug("Node {} does not contain LSP {}", input.getNode(), input.getName());
+ return OperationResults.UNSENT;
+ }
+ // check if at least one of the paths has the same status as requested
+ for (final Path p : rep.get().getPath()) {
+ final Path1 p1 = p.getAugmentation(Path1.class);
+ if (p1 == null) {
+ LOG.warn("Node {} LSP {} does not contain data", input.getNode(), input.getName());
return OperationResults.UNSENT;
}
-
- // check if at least one of the paths has the same status as requested
- boolean operational = false;
- for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.Path p : rep.get().getPath()) {
- final Path1 p1 = p.getAugmentation(Path1.class);
- if (p1 == null) {
- LOG.warn("Node {} LSP {} does not contain data", input.getNode(), input.getName());
- return OperationResults.UNSENT;
- }
- final Lsp l = p1.getLsp();
- if (l.getOperational().equals(op)) {
- operational = true;
- }
+ if (op.equals(p1.getLsp().getOperational())) {
+ return OperationResults.SUCCESS;
}
-
- return operational ? OperationResults.SUCCESS : OperationResults.UNSENT;
}
+ return OperationResults.UNSENT;
});
}
@Override
- protected Lsp validateReportedLsp(final Optional<ReportedLsp> rep, final LspId input) {
+ protected Lsp validateReportedLsp(final Optional<ReportedLsp> rep, final LspId input) {
if (!rep.isPresent()) {
LOG.debug("Node {} does not contain LSP {}", input.getNode(), input.getName());
return null;
return reportedLsp;
}
+ private Optional<PathSetupType> getPST(final Optional<ReportedLsp> rep) {
+ if (rep.isPresent()) {
+ final Path1 path1 = rep.get().getPath().get(0).getAugmentation(Path1.class);
+ if (path1 != null) {
+ final PathSetupType pst = path1.getPathSetupType();
+ if (!PSTUtil.isDefaultPST(pst)) {
+ return Optional.of(pst);
+ }
+ }
+ }
+ return Optional.absent();
+ }
+
private static PeerCapabilities getCapabilities(final Stateful stateful) {
final PeerCapabilities capa = new PeerCapabilities();
capa.setStateful(true);
}
return capa;
}
+
+ /**
+ * Recover lspData and mark any LSPs in the LSP database that were previously reported by the PCC as stale
+ * @param lspData
+ * @param lsps
+ * @param incrementalSynchro
+ */
+ @Override
+ protected synchronized void loadLspData(final Node node, final Map<String, ReportedLsp> lspData, final Map<PlspId, String> lsps, final boolean incrementalSynchro) {
+ //load node's lsps from DS
+ final PathComputationClient pcc = node.getAugmentation(Node1.class).getPathComputationClient();
+ final List<ReportedLsp> reportedLsps = pcc.getReportedLsp();
+ for (final ReportedLsp reportedLsp : reportedLsps) {
+ final String lspName = reportedLsp.getName();
+ lspData.put(lspName, reportedLsp);
+ if (!reportedLsp.getPath().isEmpty()) {
+ final Path1 path1 = reportedLsp.getPath().get(0).getAugmentation(Path1.class);
+ if (path1 != null) {
+ final PlspId plspId = path1.getLsp().getPlspId();
+ if (!incrementalSynchro) {
+ this.staleLsps.add(plspId);
+ }
+ lsps.put(plspId, lspName);
+ }
+ }
+ }
+ }
+
+ /**
+ * When the PCC reports an LSP during state synchronization, if the LSP already
+ * exists in the LSP database, the PCE MUST update the LSP database and
+ * clear the stale marker from the LSP
+ * @param plspId
+ */
+ private synchronized void unmarkStaleLsp(final PlspId plspId) {
+ this.staleLsps.remove(plspId);
+ }
+
+ /**
+ * Purge any LSPs from the LSP database that are still marked as stale
+ * @param ctx
+ */
+ private synchronized void purgeStaleLsps(final MessageContext ctx) {
+ for (final PlspId plspId : this.staleLsps) {
+ removeLsp(ctx, plspId);
+ }
+ this.staleLsps.clear();
+ }
}
Code Review / bgpcep.git / blobdiff