package org.opendaylight.transportpce.pce.networkanalyzer;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.Iterator;
import java.util.List;
-
-import org.eclipse.jdt.annotation.Nullable;
-import org.opendaylight.transportpce.pce.constraints.PceConstraints;
+import java.util.Map;
import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.Link1;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.span.attributes.LinkConcatenation;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.span.attributes.LinkConcatenation.FiberType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.span.attributes.LinkConcatenationKey;
import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.link.oms.attributes.Span;
import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmLinkType;
+import org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.OtnLinkType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class PceLink {
+@SuppressWarnings("serial")
+@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(
+ value = "SE_NO_SERIALVERSIONID",
+ justification = "https://github.com/rzwitserloot/lombok/wiki/WHY-NOT:-serialVersionUID")
+public class PceLink implements Serializable {
/* Logging. */
private static final Logger LOG = LoggerFactory.getLogger(PceLink.class);
-
///////////////////////// LINKS ////////////////////
/*
* extension of Link to include constraints and Graph weight
*/
-
double weight = 0;
-
private boolean isValid = true;
// this member is for XPONDER INPUT/OUTPUT links.
- // it keeps name of client correcponding to NETWORK TP
+ // it keeps name of client corresponding to NETWORK TP
private String client = "";
-
private final LinkId linkId;
private final OpenroadmLinkType linkType;
private final NodeId sourceId;
private final NodeId destId;
- private final Object sourceTP;
- private final Object destTP;
- private final String sourceSupNodeId;
- private final String destSupNodeId;
+ private transient Object sourceTP;
+ private transient Object destTP;
+ private final String sourceNetworkSupNodeId;
+ private final String destNetworkSupNodeId;
private final String sourceCLLI;
private final String destCLLI;
private final LinkId oppositeLink;
private final Long latency;
+ private final Long availableBandwidth;
+ private final Long usedBandwidth;
private final List<Long> srlgList;
private final double osnr;
- private final Span omsAttributesSpan;
+ private final transient Span omsAttributesSpan;
+ //meter per ms
+ private static final double CELERITY = 2.99792458 * 1e5;
+ private static final double NOISE_MASK_A = 0.571429;
+ private static final double NOISE_MASK_B = 39.285714;
+ private static final double UPPER_BOUND_OSNR = 33;
+ private static final double LOWER_BOUND_OSNR = 0.1;
public PceLink(Link link, PceNode source, PceNode dest) {
- LOG.debug("PceLink: : PceLink start ");
+ LOG.info("PceLink: : PceLink start ");
this.linkId = link.getLinkId();
this.sourceTP = link.getSource().getSourceTp();
this.destTP = link.getDestination().getDestTp();
- this.sourceSupNodeId = source.getSupNodeIdPceNode();
- this.destSupNodeId = dest.getSupNodeIdPceNode();
+ this.sourceNetworkSupNodeId = source.getSupNetworkNodeId();
+ this.destNetworkSupNodeId = dest.getSupNetworkNodeId();
- this.sourceCLLI = source.getCLLI();
- this.destCLLI = dest.getCLLI();
+ this.sourceCLLI = source.getSupClliNodeId();
+ this.destCLLI = dest.getSupClliNodeId();
this.linkType = MapUtils.calcType(link);
this.oppositeLink = calcOpposite(link);
- this.latency = calcLatency(link);
if (this.linkType == OpenroadmLinkType.ROADMTOROADM) {
this.omsAttributesSpan = MapUtils.getOmsAttributesSpan(link);
this.srlgList = MapUtils.getSRLG(link);
- this.osnr = retrieveOSNR();
+ this.latency = calcLatency(link);
+ this.osnr = calcSpanOSNR();
+ this.availableBandwidth = 0L;
+ this.usedBandwidth = 0L;
+ } else if (this.linkType == OpenroadmLinkType.OTNLINK) {
+ this.availableBandwidth = MapUtils.getAvailableBandwidth(link);
+ this.usedBandwidth = MapUtils.getUsedBandwidth(link);
+ this.srlgList = MapUtils.getSRLGfromLink(link);
+ this.osnr = 0.0;
+ this.latency = 0L;
+ this.omsAttributesSpan = null;
} else {
this.omsAttributesSpan = null;
this.srlgList = null;
- this.osnr = 0.0;
- }
-
-
- LOG.debug("PceLink: created PceLink {}", toString());
- }
-
- private OpenroadmLinkType calcType(Link link) {
- org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.@Nullable Link1 link1 = null;
- OpenroadmLinkType tmplinkType = null;
-
- // ID and type
- link1 = link.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130
- .Link1.class);
- if (link1 == null) {
- this.isValid = false;
- LOG.error("PceLink: No Link augmentation available. Link is ignored {}", this.linkId);
- return null;
+ this.latency = 0L;
+ //infinite OSNR in DB
+ this.osnr = 100L;
+ this.availableBandwidth = 0L;
+ this.usedBandwidth = 0L;
}
-
- tmplinkType = link1.getLinkType();
- if (tmplinkType == null) {
- this.isValid = false;
- LOG.error("PceLink: No Link type available. Link is ignored {}", this.linkId);
- return null;
- }
- return tmplinkType;
+ LOG.debug("PceLink: created PceLink {}", linkId);
}
+ //Retrieve the opposite link
private LinkId calcOpposite(Link link) {
- // opposite link
-
LinkId tmpoppositeLink = MapUtils.extractOppositeLink(link);
if (tmpoppositeLink == null) {
LOG.error("PceLink: Error calcOpposite. Link is ignored {}", link.getLinkId().getValue());
return tmpoppositeLink;
}
+ //Compute the link latency : if the latency is not defined, the latency is computed from the omsAttributesSpan
private Long calcLatency(Link link) {
- Long tmplatency = 1L;
- Link1 link1 = null;
- // latency
- link1 = link.augmentation(Link1.class);
- try {
- tmplatency = link1.getLinkLatency();
- } catch (NullPointerException e) {
- LOG.debug("the latency does not exist for this link");
+ Link1 link1 = link.augmentation(Link1.class);
+ if (link1.getLinkLatency() != null) {
+ return link1.getLinkLatency().toJava();
+ }
+ if (this.omsAttributesSpan == null) {
+ return 1L;
}
- return tmplatency;
+ double tmp = 0;
+ Map<LinkConcatenationKey, LinkConcatenation> linkConcatenationMap = this.omsAttributesSpan
+ .nonnullLinkConcatenation();
+ for (Map.Entry<LinkConcatenationKey, LinkConcatenation> entry : linkConcatenationMap.entrySet()) {
+ // Length is expressed in meter and latency is expressed in ms according to OpenROADM MSA
+ if (entry == null || entry.getValue() == null || entry.getValue().getSRLGLength() == null) {
+ LOG.debug("In PceLink: cannot compute the latency for the link {}", link.getLinkId().getValue());
+ return 1L;
+ }
+ tmp += entry.getValue().getSRLGLength().toJava() / CELERITY;
+ LOG.info("In PceLink: The latency of link {} == {}", link.getLinkId(), tmp);
+ }
+ return (long) Math.ceil(tmp);
}
- @SuppressWarnings("checkstyle:VariableDeclarationUsageDistance")
- public double retrieveOSNR() {
- // sum of 1 over the span OSNRs (linear units)
- double sum = 0;
- // link OSNR, in dB
- double linkOsnrDb;
- // link OSNR, in dB
- double linkOsnrLu;
- // span OSNR, in dB
- double spanOsnrDb;
- // span OSNR, in linear units
- double spanOsnrLu;
- // default amplifier noise value, in dB
- double ampNoise = 5.5;
- // fiber span measured loss, in dB
- double loss;
- // launch power, in dB
- double power;
- double constantA = 38.97293;
- double constantB = 0.72782;
- double constantC = -0.532331;
- double constactD = -0.019549;
- double upperBoundosnr = 33;
- double lowerBoundosnr = 0.1;
-
- if (omsAttributesSpan == null) {
- // indicates no data or N/A
+ //Compute the OSNR of a span
+ public double calcSpanOSNR() {
+ if (this.omsAttributesSpan == null) {
return 0L;
}
- loss = omsAttributesSpan.getSpanlossCurrent().getValue().doubleValue();
- switch (omsAttributesSpan.getLinkConcatenation().get(0).getFiberType()) {
+ Collection<LinkConcatenation> linkConcatenationList =
+ this.omsAttributesSpan.nonnullLinkConcatenation().values();
+ if (linkConcatenationList == null) {
+ LOG.error("in PceLink : Null field in the OmsAttrubtesSpan");
+ return 0L;
+ }
+ Iterator<LinkConcatenation> linkConcatenationiterator = linkConcatenationList.iterator();
+ if (!linkConcatenationiterator.hasNext()) {
+ return 0L;
+ }
+ // power on the output of the previous ROADM (dBm)
+ double pout = retrievePower(linkConcatenationiterator.next().getFiberType());
+ // span loss (dB)
+ double spanLoss = this.omsAttributesSpan.getSpanlossCurrent().getValue().doubleValue();
+ // power on the input of the current ROADM (dBm)
+ double pin = pout - spanLoss;
+ double spanOsnrDb = NOISE_MASK_A * pin + NOISE_MASK_B;
+ if (spanOsnrDb > UPPER_BOUND_OSNR) {
+ spanOsnrDb = UPPER_BOUND_OSNR;
+ } else if (spanOsnrDb < LOWER_BOUND_OSNR) {
+ spanOsnrDb = LOWER_BOUND_OSNR;
+ }
+ return spanOsnrDb;
+ }
+
+ private double retrievePower(FiberType fiberType) {
+ double power;
+ switch (fiberType) {
case Smf:
power = 2;
break;
-
case Eleaf:
power = 1;
break;
-
- case Oleaf:
- power = 0;
- break;
-
- case Dsf:
- power = 0;
- break;
-
- case Truewave:
- power = 0;
- break;
-
case Truewavec:
power = -1;
break;
-
+ case Oleaf:
+ case Dsf:
+ case Truewave:
case NzDsf:
- power = 0;
- break;
-
case Ull:
- power = 0;
- break;
-
default:
power = 0;
break;
}
- spanOsnrDb = constantA + constantB * power + constantC * loss + constactD * power * loss;
- if (spanOsnrDb > upperBoundosnr) {
- spanOsnrDb = upperBoundosnr;
- } else if (spanOsnrDb < lowerBoundosnr) {
- spanOsnrDb = lowerBoundosnr;
- }
- spanOsnrLu = Math.pow(10, (spanOsnrDb / 10.0));
- sum = PceConstraints.CONST_OSNR / spanOsnrLu;
- linkOsnrLu = sum;
- //link_osnr_dB = 10 * Math.log10(1 / sum);
- LOG.debug("In retrieveosnr: link osnr is {} dB", linkOsnrLu);
- return linkOsnrLu;
+ return power;
}
public LinkId getOppositeLink() {
return latency.doubleValue();
}
- public String getsourceSupNodeId() {
- return sourceSupNodeId;
+ public Long getAvailableBandwidth() {
+ return availableBandwidth;
+ }
+
+ public Long getUsedBandwidth() {
+ return usedBandwidth;
}
- public String getdestSupNodeId() {
- return destSupNodeId;
+ public String getsourceNetworkSupNodeId() {
+ return sourceNetworkSupNodeId;
+ }
+
+ public String getdestNetworkSupNodeId() {
+ return destNetworkSupNodeId;
}
public List<Long> getsrlgList() {
}
public boolean isValid() {
- if ((this.linkId == null) || (this.linkType == null)
- || (this.oppositeLink == null)) {
+ if ((this.linkId == null) || (this.linkType == null) || (this.oppositeLink == null)) {
isValid = false;
LOG.error("PceLink: No Link type or opposite link is available. Link is ignored {}", linkId);
}
- if ((this.sourceId == null) || (this.destId == null)
- || (this.sourceTP == null) || (this.destTP == null)) {
- isValid = false;
- LOG.error("PceLink: No Link source or destination is available. Link is ignored {}", linkId);
- }
- if ((this.sourceSupNodeId.equals("")) || (this.destSupNodeId.equals(""))) {
- isValid = false;
- LOG.error("PceLink: No Link source SuppNodeID or destination SuppNodeID is available. Link is ignored {}",
- linkId);
- }
- if ((this.sourceCLLI.equals("")) || (this.destCLLI.equals(""))) {
- isValid = false;
- LOG.error("PceLink: No Link source CLLI or destination CLLI is available. Link is ignored {}", linkId);
- }
+ isValid = checkParams();
if ((this.omsAttributesSpan == null) && (this.linkType == OpenroadmLinkType.ROADMTOROADM)) {
isValid = false;
LOG.error("PceLink: Error reading Span for OMS link. Link is ignored {}", linkId);
return isValid;
}
+ public boolean isOtnValid(Link link, String serviceType) {
+
+ if (this.linkType != OpenroadmLinkType.OTNLINK) {
+ LOG.error("PceLink: Not an OTN link. Link is ignored {}", linkId);
+ return false;
+ }
+
+ OtnLinkType otnLinkType = link
+ .augmentation(org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.Link1.class)
+ .getOtnLinkType();
+ if (this.availableBandwidth == 0L) {
+ LOG.error("PceLink: No bandwidth available for OTN Link, link {} is ignored ", linkId);
+ return false;
+ }
+
+ long neededBW;
+ OtnLinkType neededType = null;
+ switch (serviceType) {
+
+ case "ODU4":
+ if (this.usedBandwidth != 0L) {
+ return false;
+ }
+ neededBW = 100000L;
+ neededType = OtnLinkType.OTU4;
+ break;
+ case "ODU2":
+ case "ODU2e":
+ neededBW = 12500L;
+ break;
+ case "ODU0":
+ neededBW = 1250L;
+ break;
+ case "ODU1":
+ neededBW = 2500L;
+ break;
+ case "10GE":
+ neededBW = 10000L;
+ neededType = OtnLinkType.ODTU4;
+ break;
+ case "1GE":
+ neededBW = 1000L;
+ neededType = OtnLinkType.ODTU4;
+ break;
+ default:
+ LOG.error("PceLink: isOtnValid Link {} unsupported serviceType {} ", linkId, serviceType);
+ return false;
+ }
+
+ if ((this.availableBandwidth >= neededBW)
+ && ((neededType == null) || (neededType.equals(otnLinkType)))) {
+ LOG.info("PceLink: Selected Link {} has available bandwidth and is eligible for {} creation ",
+ linkId, serviceType);
+ }
+
+ return checkParams();
+ }
+
+ private boolean checkParams() {
+ if ((this.linkId == null) || (this.linkType == null) || (this.oppositeLink == null)) {
+ LOG.error("PceLink: No Link type or opposite link is available. Link is ignored {}", linkId);
+ return false;
+ }
+ if ((this.sourceId == null) || (this.destId == null) || (this.sourceTP == null) || (this.destTP == null)) {
+ LOG.error("PceLink: No Link source or destination is available. Link is ignored {}", linkId);
+ return false;
+ }
+ if ((this.sourceNetworkSupNodeId.equals("")) || (this.destNetworkSupNodeId.equals(""))) {
+ LOG.error("PceLink: No Link source SuppNodeID or destination SuppNodeID is available. Link is ignored {}",
+ linkId);
+ return false;
+ }
+ if ((this.sourceCLLI.equals("")) || (this.destCLLI.equals(""))) {
+ LOG.error("PceLink: No Link source CLLI or destination CLLI is available. Link is ignored {}", linkId);
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
public String toString() {
- return "PceLink type=" + linkType + " ID=" + linkId.getValue() + " latecy=" + latency;
+ return "PceLink type=" + linkType + " ID=" + linkId.getValue() + " latency=" + latency;
}
+ private void writeObject(ObjectOutputStream out) throws IOException {
+ out.defaultWriteObject();
+ out.writeObject(this.sourceTP);
+ out.writeObject(this.destTP);
+ }
+
+ private void readObject(ObjectInputStream in) throws IOException,ClassNotFoundException {
+ in.defaultReadObject();
+ this.sourceTP = in.readObject();
+ this.destTP = in.readObject();
+ }
}
Code Review / transportpce.git / blobdiff