package org.opendaylight.transportpce.pce.gnpy;
-import com.google.common.base.Preconditions;
-import com.google.gson.stream.JsonReader;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
import java.math.BigDecimal;
-import java.nio.charset.StandardCharsets;
-import java.util.Collections;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
-import java.util.Optional;
-
-import javassist.ClassPool;
-
-import javax.annotation.Nonnull;
-
-import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
-import org.opendaylight.mdsal.binding.dom.codec.gen.impl.StreamWriterGenerator;
-import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
-import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
-import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
-import org.opendaylight.mdsal.binding.generator.util.JavassistUtils;
-import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.Result;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.explicit.route.hop.type.num.unnum.hop.NumUnnumHop;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.properties.path.properties.PathMetric;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.properties.path.properties.PathRouteObjects;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.Response;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type.NoPathCase;
-import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type.PathCase;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.Result;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.explicit.route.hop.type.NumUnnumHop;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.generic.path.properties.path.properties.PathMetric;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.generic.path.properties.path.properties.PathRouteObjects;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.result.Response;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.result.response.response.type.NoPathCase;
+import org.opendaylight.yang.gen.v1.gnpy.path.rev200909.result.response.response.type.PathCase;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.constraints.sp.co.routing.or.general.General;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.constraints.sp.co.routing.or.general.GeneralBuilder;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.constraints.sp.co.routing.or.general.general.Include;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.ordered.constraints.sp.hop.type.hop.type.NodeBuilder;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.routing.constraints.sp.HardConstraints;
import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017.routing.constraints.sp.HardConstraintsBuilder;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
+import org.opendaylight.yangtools.yang.common.Uint16;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private static final Logger LOG = LoggerFactory.getLogger(GnpyResult.class);
private Response response = null;
+ private Map<String, IpAddress> mapNodeRefIp = new HashMap<>();
- public GnpyResult(String gnpyResponseString) throws Exception {
-
- // try {
- // Optional<DataObject> dataObject;
- // Create the schema context
- final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
- Iterable<? extends YangModuleInfo> moduleInfos;
- moduleInfos = Collections.singleton(BindingReflections.getModuleInfo(Result.class));
- moduleContext.addModuleInfos(moduleInfos);
- SchemaContext schemaContext = moduleContext.tryToCreateSchemaContext().get();
-
- // Create the binding binding normalized node codec registry
- BindingRuntimeContext bindingRuntimeContext = BindingRuntimeContext.create(moduleContext, schemaContext);
- final BindingNormalizedNodeCodecRegistry codecRegistry = new BindingNormalizedNodeCodecRegistry(
- StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault())));
- codecRegistry.onBindingRuntimeContextUpdated(bindingRuntimeContext);
-
- // Create the data object
- QName pathQname = QName.create("gnpy:path", "2019-05-02", "result");
- LOG.debug("the Qname is {} / namesapce {} ; module {}; ", pathQname.toString(), pathQname.getNamespace(),
- pathQname.getModule());
- YangInstanceIdentifier yangId = YangInstanceIdentifier.of(pathQname);
- DataObject dataObject = null;
- //Create the object response
- //Create JsonReader from String
- InputStream streamGnpyRespnse = new ByteArrayInputStream(gnpyResponseString.getBytes(StandardCharsets.UTF_8));
- InputStreamReader gnpyResultReader = new InputStreamReader(streamGnpyRespnse);
- JsonReader jsonReader = new JsonReader(gnpyResultReader);
- Optional<NormalizedNode<? extends PathArgument, ?>> transformIntoNormalizedNode = parseInputJSON(jsonReader,
- Result.class);
- NormalizedNode<? extends PathArgument, ?> normalizedNode = transformIntoNormalizedNode.get();
- if (codecRegistry.fromNormalizedNode(yangId, normalizedNode) != null) {
- LOG.debug("The key of the generated object",
- codecRegistry.fromNormalizedNode(yangId, normalizedNode).getKey());
- dataObject = codecRegistry.fromNormalizedNode(yangId, normalizedNode).getValue();
- } else {
- LOG.warn("The codec registry from the normalized node is null!");
- }
- List<Response> responses = null;
- responses = ((Result) dataObject).getResponse();
- if (responses != null) {
- LOG.info("The response id is {}; ", responses.get(0).getResponseId());
- } else {
- LOG.warn("The response is null!");
+ public GnpyResult(Result result, GnpyTopoImpl gnpyTopo) throws GnpyException {
+ this.mapNodeRefIp = gnpyTopo.getMapNodeRefIp();
+ List<Response> responses = new ArrayList<>(result.nonnullResponse().values());
+ if (responses.isEmpty()) {
+ throw new GnpyException("In GnpyResult: the response from GNpy is null!");
}
+ LOG.info("The response id is {}; ", responses.get(0).getResponseId());
this.response = responses.get(0);
analyzeResult();
}
boolean isFeasible = false;
if (response != null) {
if (response.getResponseType() instanceof NoPathCase) {
- isFeasible = false;
- LOG.info("The path is not feasible ");
+ LOG.info("In GnpyResult: The path is not feasible ");
} else if (response.getResponseType() instanceof PathCase) {
isFeasible = true;
- LOG.info("The path is feasible ");
+ LOG.info("In GnpyResult: The path is feasible ");
}
}
return isFeasible;
}
- public void analyzeResult() {
+ public List<PathRouteObjects> analyzeResult() {
+ List<PathRouteObjects> pathRouteObjectList = null;
if (response != null) {
- Long responseId = response.getResponseId();
- LOG.info("Response-Id {}", responseId);
if (response.getResponseType() instanceof NoPathCase) {
NoPathCase noPathCase = (NoPathCase) response.getResponseType();
String noPathType = noPathCase.getNoPath().getNoPath();
- LOG.info("GNPy: No path - {}",noPathType);
- if (((noPathType == "NO_FEASIBLE_BAUDRATE_WITH_SPACING") && (noPathType == "NO_FEASIBLE_MODE"))
- && ((noPathType == "MODE_NOT_FEASIBLE") && (noPathType == "NO_SPECTRUM"))) {
- List<PathMetric> pathMetricList = noPathCase.getNoPath().getPathProperties().getPathMetric();
+ LOG.info("GNPy: No path - {}", noPathType);
+ if (((noPathType.equals("NO_FEASIBLE_BAUDRATE_WITH_SPACING"))
+ && (noPathType.equals("NO_FEASIBLE_MODE"))) && ((noPathType.equals("MODE_NOT_FEASIBLE"))
+ && (noPathType.equals("NO_SPECTRUM")))) {
+ Collection<PathMetric> pathMetricList = noPathCase.getNoPath()
+ .getPathProperties().nonnullPathMetric().values();
LOG.info("GNPy : path is not feasible : {}", noPathType);
for (PathMetric pathMetric : pathMetricList) {
String metricType = pathMetric.getMetricType().getSimpleName();
} else if (response.getResponseType() instanceof PathCase) {
LOG.info("GNPy : path is feasible");
PathCase pathCase = (PathCase) response.getResponseType();
- List<PathMetric> pathMetricList = pathCase.getPathProperties().getPathMetric();
+ Collection<PathMetric> pathMetricList = pathCase
+ .getPathProperties().nonnullPathMetric().values();
+ // Path metrics
for (PathMetric pathMetric : pathMetricList) {
String metricType = pathMetric.getMetricType().getSimpleName();
BigDecimal accumulativeValue = pathMetric.getAccumulativeValue();
LOG.info("Metric type {} // AccumulatriveValue {}", metricType, accumulativeValue);
}
+ // Path route objects
+ pathRouteObjectList = pathCase.getPathProperties().getPathRouteObjects();
+ LOG.info("in GnpyResult: finishing the computation of pathRouteObjectList");
}
}
+ return pathRouteObjectList;
}
- public HardConstraints analyzeGnpyPath() {
+ public HardConstraints computeHardConstraintsFromGnpyPath(List<PathRouteObjects> pathRouteObjectList) {
HardConstraints hardConstraints = null;
- if (response != null) {
- Long responseId = response.getResponseId();
- LOG.info("Response-Id {}", responseId);
- if (response.getResponseType() instanceof NoPathCase) {
- NoPathCase noPathCase = (NoPathCase) response.getResponseType();
- LOG.info("No path feasible {}", noPathCase.toString());
- } else if (response.getResponseType() instanceof PathCase) {
- PathCase pathCase = (PathCase) response.getResponseType();
- List<PathMetric> pathMetricList = pathCase.getPathProperties().getPathMetric();
- for (PathMetric pathMetric : pathMetricList) {
- String metricType = pathMetric.getMetricType().getSimpleName();
- BigDecimal accumulativeValue = pathMetric.getAccumulativeValue();
- LOG.info("Metric type {} // AccumulatriveValue {}", metricType, accumulativeValue);
- }
-
- // Includes the list of nodes in the GNPy computed path as constraints for the PCE
- List<OrderedHops> orderedHopsList = null;
- List<PathRouteObjects> pathRouteObjectList = pathCase.getPathProperties().getPathRouteObjects();
- int counter = 0;
- for (PathRouteObjects pathRouteObjects : pathRouteObjectList) {
- if (pathRouteObjects.getPathRouteObject().getType() instanceof NumUnnumHop) {
- NumUnnumHop numUnnumHop = (NumUnnumHop) pathRouteObjects.getPathRouteObject().getType();
- String nodeId = numUnnumHop.getNodeId();
+ // Includes the list of nodes in the GNPy computed path as constraints
+ // for the PCE
+ List<OrderedHops> orderedHopsList = new ArrayList<>();
+ int counter = 0;
+ for (PathRouteObjects pathRouteObjects : pathRouteObjectList) {
+ if (pathRouteObjects.getPathRouteObject().getType() instanceof NumUnnumHop) {
+ NumUnnumHop numUnnumHop = (org.opendaylight.yang.gen.v1.gnpy.path.rev200909.explicit.route.hop.type
+ .NumUnnumHop) pathRouteObjects.getPathRouteObject().getType();
+ String nodeIp = numUnnumHop.getNumUnnumHop().getNodeId();
+ try {
+ IpAddress nodeIpAddress = new IpAddress(new Ipv4Address(nodeIp));
+ // find the corresponding node-id (in ord-ntw) corresponding to nodeId (in gnpy response)
+ String nodeId = findOrdNetworkNodeId(nodeIpAddress);
+ if (nodeId != null) {
org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.routing.constraints.rev171017
- .ordered.constraints.sp.hop.type.hop.type.Node node = new NodeBuilder()
- .setNodeId(nodeId).build();
+ .ordered.constraints.sp.hop.type.hop.type.Node node = new NodeBuilder().setNodeId(nodeId)
+ .build();
HopType hopType = new HopTypeBuilder().setHopType(node).build();
- OrderedHops orderedHops = new OrderedHopsBuilder().setHopNumber(counter).setHopType(hopType)
- .build();
- LOG.info("- gnpyResult class : Hard Constraint: {} // - Hop Node {}", counter, nodeId);
+ OrderedHops orderedHops = new OrderedHopsBuilder()
+ .setHopNumber(Uint16.valueOf(counter)).setHopType(hopType)
+ .build();
orderedHopsList.add(orderedHops);
counter++;
}
+ } catch (IllegalArgumentException e) {
+ LOG.debug(" in GnpyResult: the element {} is not a ipv4Address ", nodeIp);
}
- Include include = new IncludeBuilder().setOrderedHops(orderedHopsList).build();
- General general = new GeneralBuilder().setInclude(include).build();
- hardConstraints = new HardConstraintsBuilder().setCoRoutingOrGeneral(general).build();
}
}
+ Include include = new IncludeBuilder()
+ .setOrderedHops(orderedHopsList.stream()
+ .collect(Collectors.toMap(OrderedHops::key, orderedHops -> orderedHops)))
+ .build();
+ General general = new GeneralBuilder().setInclude(include).build();
+ hardConstraints = new HardConstraintsBuilder().setCoRoutingOrGeneral(general).build();
return hardConstraints;
}
- /**
- * Parses the input json with concrete implementation of
- * {@link JsonParserStream}.
- *
- * @param reader
- * of the given JSON
- * @throws Exception
- *
- */
- private Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> parseInputJSON(JsonReader reader,
- Class<? extends DataObject> objectClass) throws Exception {
- NormalizedNodeResult result = new NormalizedNodeResult();
- SchemaContext schemaContext = getSchemaContext(objectClass);
- try (NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
- JsonParserStream jsonParser = JsonParserStream.create(streamWriter, schemaContext, schemaContext);) {
- LOG.debug("GNPy: the path to the reader {}", reader.getPath());
- LOG.debug("GNPy: the reader {}", reader.toString());
- LOG.debug("GNPy: the jsonParser class {} // jsonParser to string {}", jsonParser.getClass(),
- jsonParser.toString());
- jsonParser.parse(reader);
- } catch (IOException e) {
- LOG.warn("GNPy: exception {} occured during parsing Json input stream", e.getMessage());
- return Optional.empty();
- }
- return Optional.ofNullable(result.getResult());
- }
-
- private SchemaContext getSchemaContext(Class<? extends DataObject> objectClass) throws Exception {
- final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
- Iterable<? extends YangModuleInfo> moduleInfos;
- SchemaContext schemaContext = null;
- moduleInfos = Collections.singleton(BindingReflections.getModuleInfo(objectClass));
- moduleContext.addModuleInfos(moduleInfos);
- schemaContext = moduleContext.tryToCreateSchemaContext().get();
- return schemaContext;
- }
-
- private String readResultFromFile(String fileName) {
- BufferedReader br = null;
- FileReader fr = null;
- StringBuilder sb = new StringBuilder();
- String gnpyResponse;
-
- try {
- fr = new FileReader(fileName);
- br = new BufferedReader(fr);
- String currentLine;
- while ((currentLine = br.readLine()) != null) {
- LOG.info(currentLine);
- sb.append(currentLine);
+ private String findOrdNetworkNodeId(IpAddress nodeIpAddress) {
+ Iterator<Map.Entry<String,IpAddress>> it = this.mapNodeRefIp.entrySet().iterator();
+ while (it.hasNext()) {
+ Entry<String, IpAddress> entry = it.next();
+ if (entry.getValue().equals(nodeIpAddress)) {
+ return entry.getKey();
}
- fr.close();
- } catch (IOException e) {
- LOG.warn("GNPy: exception {} occured during the reading of results", e.getMessage());
}
- gnpyResponse = sb.toString();
- return gnpyResponse;
+ return null;
}
- /**
- * Transforms the given input {@link NormalizedNode} into the given
- * {@link DataObject}.
- *
- * @param normalizedNode
- * normalized node you want to convert
- * @param rootNode
- * {@link QName} of converted normalized node root
- *
- * <p>
- * The input object should be {@link ContainerNode}
- * </p>
- */
- public <T extends DataObject> Optional<T> getDataObject(@Nonnull NormalizedNode<?, ?> normalizedNode,
- @Nonnull QName rootNode, BindingNormalizedNodeSerializer codecRegistry) {
- if (normalizedNode != null) {
- LOG.debug("GNPy: The codecRegistry is ", codecRegistry.toString());
- } else {
- LOG.warn("GNPy: The codecRegistry is null");
- }
- Preconditions.checkNotNull(normalizedNode);
- if (normalizedNode instanceof ContainerNode) {
- YangInstanceIdentifier.PathArgument directChildIdentifier = YangInstanceIdentifier.of(rootNode)
- .getLastPathArgument();
- Optional<NormalizedNode<?, ?>> directChild = NormalizedNodes.getDirectChild(normalizedNode,
- directChildIdentifier);
- if (!directChild.isPresent()) {
- throw new IllegalStateException(String.format("Could not get the direct child of %s", rootNode));
- }
- normalizedNode = directChild.get();
- LOG.debug("GNPy: the normalized node is ", normalizedNode.getNodeType());
- }
- YangInstanceIdentifier rootNodeYangInstanceIdentifier = YangInstanceIdentifier.of(rootNode);
- LOG.debug("GNPy: the root Node Yang Instance Identifier is ", rootNodeYangInstanceIdentifier.toString());
- Map.Entry<?, ?> bindingNodeEntry = codecRegistry.fromNormalizedNode(rootNodeYangInstanceIdentifier,
- normalizedNode);
- if (bindingNodeEntry == null) {
- LOG.debug("The binding Node Entry is null");
- return Optional.empty();
- }
- return Optional.ofNullable((T) bindingNodeEntry.getValue());
+ public Response getResponse() {
+ return response;
}
}
Code Review / transportpce.git / blobdiff