| /* |
| * Copyright 2014-2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.intent; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.onosproject.core.DefaultGroupId; |
| import org.onosproject.core.GroupId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetTestTools; |
| import org.onosproject.net.NetworkResource; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.flow.FlowId; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleExtPayLoad; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.criteria.Criterion.Type; |
| import org.onosproject.net.flow.instructions.Instruction; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.onosproject.net.resource.Bandwidth; |
| import org.onosproject.net.resource.BandwidthResourceRequest; |
| import org.onosproject.net.resource.Lambda; |
| import org.onosproject.net.resource.LambdaResourceAllocation; |
| import org.onosproject.net.resource.LambdaResourceRequest; |
| import org.onosproject.net.resource.LinkResourceAllocations; |
| import org.onosproject.net.resource.LinkResourceListener; |
| import org.onosproject.net.resource.LinkResourceRequest; |
| import org.onosproject.net.resource.LinkResourceService; |
| import org.onosproject.net.resource.MplsLabel; |
| import org.onosproject.net.resource.MplsLabelResourceAllocation; |
| import org.onosproject.net.resource.ResourceAllocation; |
| import org.onosproject.net.resource.ResourceRequest; |
| import org.onosproject.net.resource.ResourceType; |
| import org.onosproject.net.topology.DefaultTopologyEdge; |
| import org.onosproject.net.topology.DefaultTopologyVertex; |
| import org.onosproject.net.topology.LinkWeight; |
| import org.onosproject.net.topology.PathService; |
| import org.onosproject.net.topology.TopologyVertex; |
| import org.onosproject.store.Timestamp; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import static org.onosproject.net.NetTestTools.createPath; |
| import static org.onosproject.net.NetTestTools.did; |
| import static org.onosproject.net.NetTestTools.link; |
| |
| /** |
| * Common mocks used by the intent framework tests. |
| */ |
| public class IntentTestsMocks { |
| /** |
| * Mock traffic selector class used for satisfying API requirements. |
| */ |
| public static class MockSelector implements TrafficSelector { |
| @Override |
| public Set<Criterion> criteria() { |
| return new HashSet<>(); |
| } |
| |
| @Override |
| public Criterion getCriterion(Type type) { |
| return null; |
| } |
| } |
| |
| /** |
| * Mock traffic treatment class used for satisfying API requirements. |
| */ |
| public static class MockTreatment implements TrafficTreatment { |
| @Override |
| public List<Instruction> deferred() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public List<Instruction> immediate() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public List<Instruction> allInstructions() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public Instructions.TableTypeTransition tableTransition() { |
| return null; |
| } |
| |
| @Override |
| public boolean clearedDeferred() { |
| return false; |
| } |
| } |
| |
| /** |
| * Mock path service for creating paths within the test. |
| */ |
| public static class MockPathService implements PathService { |
| |
| final String[] pathHops; |
| final String[] reversePathHops; |
| |
| /** |
| * Constructor that provides a set of hops to mock. |
| * |
| * @param pathHops path hops to mock |
| */ |
| public MockPathService(String[] pathHops) { |
| this.pathHops = pathHops; |
| String[] reversed = pathHops.clone(); |
| Collections.reverse(Arrays.asList(reversed)); |
| reversePathHops = reversed; |
| } |
| |
| @Override |
| public Set<Path> getPaths(ElementId src, ElementId dst) { |
| Set<Path> result = new HashSet<>(); |
| |
| String[] allHops = new String[pathHops.length]; |
| |
| if (src.toString().endsWith(pathHops[0])) { |
| System.arraycopy(pathHops, 0, allHops, 0, pathHops.length); |
| } else { |
| System.arraycopy(reversePathHops, 0, allHops, 0, pathHops.length); |
| } |
| |
| result.add(createPath(allHops)); |
| return result; |
| } |
| |
| @Override |
| public Set<Path> getPaths(ElementId src, ElementId dst, LinkWeight weight) { |
| final Set<Path> paths = getPaths(src, dst); |
| |
| for (Path path : paths) { |
| final DeviceId srcDevice = path.src().deviceId(); |
| final DeviceId dstDevice = path.dst().deviceId(); |
| final TopologyVertex srcVertex = new DefaultTopologyVertex(srcDevice); |
| final TopologyVertex dstVertex = new DefaultTopologyVertex(dstDevice); |
| final Link link = link(src.toString(), 1, dst.toString(), 1); |
| |
| final double weightValue = weight.weight(new DefaultTopologyEdge(srcVertex, dstVertex, link)); |
| if (weightValue < 0) { |
| return new HashSet<>(); |
| } |
| } |
| return paths; |
| } |
| } |
| |
| public static class MockLinkResourceAllocations implements LinkResourceAllocations { |
| @Override |
| public Set<ResourceAllocation> getResourceAllocation(Link link) { |
| return ImmutableSet.of( |
| new LambdaResourceAllocation(Lambda.valueOf(77)), |
| new MplsLabelResourceAllocation(MplsLabel.valueOf(10))); |
| } |
| |
| @Override |
| public IntentId intendId() { |
| return null; |
| } |
| |
| @Override |
| public Collection<Link> links() { |
| return null; |
| } |
| |
| @Override |
| public Set<ResourceRequest> resources() { |
| return null; |
| } |
| |
| @Override |
| public ResourceType type() { |
| return null; |
| } |
| } |
| |
| public static class MockedAllocationFailure extends RuntimeException { } |
| |
| public static class MockResourceService implements LinkResourceService { |
| |
| double availableBandwidth = -1.0; |
| int availableLambda = -1; |
| |
| /** |
| * Allocates a resource service that will allow bandwidth allocations |
| * up to a limit. |
| * |
| * @param bandwidth available bandwidth limit |
| * @return resource manager for bandwidth requests |
| */ |
| public static MockResourceService makeBandwidthResourceService(double bandwidth) { |
| final MockResourceService result = new MockResourceService(); |
| result.availableBandwidth = bandwidth; |
| return result; |
| } |
| |
| /** |
| * Allocates a resource service that will allow lambda allocations. |
| * |
| * @param lambda Lambda to return for allocation requests. Currently unused |
| * @return resource manager for lambda requests |
| */ |
| public static MockResourceService makeLambdaResourceService(int lambda) { |
| final MockResourceService result = new MockResourceService(); |
| result.availableLambda = lambda; |
| return result; |
| } |
| |
| public void setAvailableBandwidth(double availableBandwidth) { |
| this.availableBandwidth = availableBandwidth; |
| } |
| |
| public void setAvailableLambda(int availableLambda) { |
| this.availableLambda = availableLambda; |
| } |
| |
| |
| @Override |
| public LinkResourceAllocations requestResources(LinkResourceRequest req) { |
| int lambda = -1; |
| double bandwidth = -1.0; |
| |
| for (ResourceRequest resourceRequest : req.resources()) { |
| if (resourceRequest.type() == ResourceType.BANDWIDTH) { |
| final BandwidthResourceRequest brr = (BandwidthResourceRequest) resourceRequest; |
| bandwidth = brr.bandwidth().toDouble(); |
| } else if (resourceRequest.type() == ResourceType.LAMBDA) { |
| lambda = 1; |
| } |
| } |
| |
| if (availableBandwidth < bandwidth) { |
| throw new MockedAllocationFailure(); |
| } |
| if (lambda > 0 && availableLambda == 0) { |
| throw new MockedAllocationFailure(); |
| } |
| |
| return new IntentTestsMocks.MockLinkResourceAllocations(); |
| } |
| |
| @Override |
| public void releaseResources(LinkResourceAllocations allocations) { |
| // Mock |
| } |
| |
| @Override |
| public LinkResourceAllocations updateResources(LinkResourceRequest req, |
| LinkResourceAllocations oldAllocations) { |
| return null; |
| } |
| |
| @Override |
| public Iterable<LinkResourceAllocations> getAllocations() { |
| return ImmutableSet.of( |
| new IntentTestsMocks.MockLinkResourceAllocations()); |
| } |
| |
| @Override |
| public Iterable<LinkResourceAllocations> getAllocations(Link link) { |
| return ImmutableSet.of( |
| new IntentTestsMocks.MockLinkResourceAllocations()); |
| } |
| |
| @Override |
| public LinkResourceAllocations getAllocations(IntentId intentId) { |
| return new IntentTestsMocks.MockLinkResourceAllocations(); |
| } |
| |
| @Override |
| public Iterable<ResourceRequest> getAvailableResources(Link link) { |
| final List<ResourceRequest> result = new LinkedList<>(); |
| if (availableBandwidth > 0.0) { |
| result.add(new BandwidthResourceRequest( |
| Bandwidth.bps(availableBandwidth))); |
| } |
| if (availableLambda > 0) { |
| result.add(new LambdaResourceRequest()); |
| } |
| return result; |
| } |
| |
| @Override |
| public Iterable<ResourceRequest> getAvailableResources(Link link, LinkResourceAllocations allocations) { |
| return null; |
| } |
| |
| @Override |
| public void addListener(LinkResourceListener listener) { |
| |
| } |
| |
| @Override |
| public void removeListener(LinkResourceListener listener) { |
| |
| } |
| } |
| |
| private static final IntentTestsMocks.MockSelector SELECTOR = |
| new IntentTestsMocks.MockSelector(); |
| private static final IntentTestsMocks.MockTreatment TREATMENT = |
| new IntentTestsMocks.MockTreatment(); |
| |
| public static class MockFlowRule implements FlowRule { |
| static int nextId = 0; |
| |
| int priority; |
| int tableId; |
| long timestamp; |
| int id; |
| FlowRuleExtPayLoad payLoad; |
| |
| public MockFlowRule(int priority) { |
| this.priority = priority; |
| this.tableId = 0; |
| this.timestamp = System.currentTimeMillis(); |
| this.id = nextId++; |
| this.payLoad = null; |
| } |
| |
| public MockFlowRule(int priority, FlowRuleExtPayLoad payLoad) { |
| this.priority = priority; |
| this.timestamp = System.currentTimeMillis(); |
| this.id = nextId++; |
| this.payLoad = payLoad; |
| } |
| |
| @Override |
| public FlowId id() { |
| return FlowId.valueOf(id); |
| } |
| |
| @Override |
| public short appId() { |
| return 0; |
| } |
| |
| @Override |
| public GroupId groupId() { |
| return new DefaultGroupId(0); |
| } |
| |
| @Override |
| public int priority() { |
| return priority; |
| } |
| |
| @Override |
| public DeviceId deviceId() { |
| return did("1"); |
| } |
| |
| @Override |
| public TrafficSelector selector() { |
| return SELECTOR; |
| } |
| |
| @Override |
| public TrafficTreatment treatment() { |
| return TREATMENT; |
| } |
| |
| @Override |
| public int timeout() { |
| return 0; |
| } |
| |
| @Override |
| public boolean isPermanent() { |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(priority); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| final MockFlowRule other = (MockFlowRule) obj; |
| return Objects.equals(this.timestamp, other.timestamp) && |
| this.id == other.id; |
| } |
| |
| @Override |
| public int tableId() { |
| return tableId; |
| } |
| |
| @Override |
| public FlowRuleExtPayLoad payLoad() { |
| return payLoad; |
| } |
| } |
| |
| public static class MockIntent extends Intent { |
| private static AtomicLong counter = new AtomicLong(0); |
| |
| private final Long number; |
| |
| public MockIntent(Long number) { |
| super(NetTestTools.APP_ID, null, Collections.emptyList(), |
| Intent.DEFAULT_INTENT_PRIORITY); |
| this.number = number; |
| } |
| |
| public MockIntent(Long number, Collection<NetworkResource> resources) { |
| super(NetTestTools.APP_ID, null, resources, Intent.DEFAULT_INTENT_PRIORITY); |
| this.number = number; |
| } |
| |
| public Long number() { |
| return number; |
| } |
| |
| public static Long nextId() { |
| return counter.getAndIncrement(); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("id", id()) |
| .add("appId", appId()) |
| .toString(); |
| } |
| } |
| |
| public static class MockTimestamp implements Timestamp { |
| final int value; |
| |
| public MockTimestamp(int value) { |
| this.value = value; |
| } |
| |
| @Override |
| public int compareTo(Timestamp o) { |
| if (!(o instanceof MockTimestamp)) { |
| return -1; |
| } |
| MockTimestamp that = (MockTimestamp) o; |
| return this.value - that.value; |
| } |
| } |
| |
| } |