[Emu] FlowAnalyzer app code and tests
Change-Id: I8b6f83f7d2e76a4e8cf770d9b0018be283e91bf3
diff --git a/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/DefaultMutableTopologyGraph.java b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/DefaultMutableTopologyGraph.java
new file mode 100644
index 0000000..4ea3aa4
--- /dev/null
+++ b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/DefaultMutableTopologyGraph.java
@@ -0,0 +1,28 @@
+package org.onosproject.flowanalyzer;
+
+import org.onlab.graph.MutableAdjacencyListsGraph;
+import org.onosproject.net.topology.TopologyEdge;
+import org.onosproject.net.topology.TopologyGraph;
+import org.onosproject.net.topology.TopologyVertex;
+
+import java.util.Set;
+
+/**
+ * Default implementation of an immutable topology graph based on a generic
+ * implementation of adjacency lists graph.
+ */
+public class DefaultMutableTopologyGraph
+ extends MutableAdjacencyListsGraph<TopologyVertex, TopologyEdge>
+ implements TopologyGraph {
+
+ /**
+ * Creates a topology graph comprising of the specified vertexes and edges.
+ *
+ * @param vertexes set of graph vertexes
+ * @param edges set of graph edges
+ */
+ public DefaultMutableTopologyGraph(Set<TopologyVertex> vertexes, Set<TopologyEdge> edges) {
+ super(vertexes, edges);
+ }
+
+}
diff --git a/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/FlowAnalyzerTest.java b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/FlowAnalyzerTest.java
new file mode 100644
index 0000000..faa2f5f
--- /dev/null
+++ b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/FlowAnalyzerTest.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright 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.flowanalyzer;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.flow.DefaultFlowRule;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.FlowRuleExtPayLoad;
+import org.onosproject.net.flow.FlowRuleService;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.instructions.Instructions;
+import org.onosproject.net.topology.TopologyService;
+
+import java.util.Arrays;
+import java.util.TreeSet;
+
+import static org.junit.Assert.assertEquals;
+
+
+/**
+ * Created by nikcheerla on 7/20/15.
+ */
+public class FlowAnalyzerTest {
+
+ FlowRuleService flowRuleService = new MockFlowRuleService();
+ TopologyService topologyService;
+ MockLinkService linkService = new MockLinkService();
+
+ @Test
+ @Ignore("This needs to be reworked to be more robust")
+ public void basic() {
+ flowRuleService = new MockFlowRuleService();
+ flowRuleService.applyFlowRules(genFlow("ATL-001", 110, 90));
+ flowRuleService.applyFlowRules(genFlow("ATL-001", 110, 100));
+ flowRuleService.applyFlowRules(genFlow("ATL-001", 110, 150));
+ flowRuleService.applyFlowRules(genFlow("ATL-002", 80, 70));
+ flowRuleService.applyFlowRules(genFlow("ATL-003", 120, 130));
+ flowRuleService.applyFlowRules(genFlow("ATL-004", 50));
+ flowRuleService.applyFlowRules(genFlow("ATL-005", 140, 10));
+
+ linkService.addLink("H00:00:00:00:00:0660", 160, "ATL-005", 140);
+ linkService.addLink("ATL-005", 10, "ATL-004", 40);
+ linkService.addLink("ATL-004", 50, "ATL-002", 80);
+ linkService.addLink("ATL-002", 70, "ATL-001", 110);
+ linkService.addLink("ATL-001", 150, "H00:00:00:00:00:0770", 170);
+ linkService.addLink("ATL-001", 90, "ATL-004", 30);
+ linkService.addLink("ATL-001", 100, "ATL-003", 120);
+ linkService.addLink("ATL-003", 130, "ATL-005", 20);
+
+ topologyService = new MockTopologyService(linkService.createdGraph);
+
+ FlowAnalyzer flowAnalyzer = new FlowAnalyzer();
+ flowAnalyzer.flowRuleService = flowRuleService;
+ flowAnalyzer.linkService = linkService;
+ flowAnalyzer.topologyService = topologyService;
+
+ String labels = flowAnalyzer.analysisOutput();
+ String correctOutput = "Flow Rule: Device: atl-005, [IN_PORT{port=140}], [OUTPUT{port=10}]\n" +
+ "Analysis: Cleared!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-003, [IN_PORT{port=120}], [OUTPUT{port=130}]\n" +
+ "Analysis: Black Hole!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-001, [IN_PORT{port=110}], [OUTPUT{port=90}]\n" +
+ "Analysis: Cycle Critical Point!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-004, [], [OUTPUT{port=50}]\n" +
+ "Analysis: Cycle!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-001, [IN_PORT{port=110}], [OUTPUT{port=150}]\n" +
+ "Analysis: Cleared!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-001, [IN_PORT{port=110}], [OUTPUT{port=100}]\n" +
+ "Analysis: Black Hole!\n" +
+ "\n" +
+ "Flow Rule: Device: atl-002, [IN_PORT{port=80}], [OUTPUT{port=70}]\n" +
+ "Analysis: Cycle!\n";
+ assertEquals("Wrong labels", new TreeSet(Arrays.asList(labels.replaceAll("\\s+", "").split("!"))),
+ new TreeSet(Arrays.asList(correctOutput.replaceAll("\\s+", "").split("!"))));
+ }
+
+ public FlowRule genFlow(String d, long inPort, long outPort) {
+ DeviceId device = DeviceId.deviceId(d);
+ TrafficSelector ts = DefaultTrafficSelector.builder().matchInPort(PortNumber.portNumber(inPort)).build();
+ TrafficTreatment tt = DefaultTrafficTreatment.builder()
+ .add(Instructions.createOutput(PortNumber.portNumber(outPort))).build();
+ return new DefaultFlowRule(device, ts, tt, 1, new DefaultApplicationId(5000, "of"),
+ 50000, true, FlowRuleExtPayLoad.flowRuleExtPayLoad(new byte[5]));
+ }
+ public FlowRule genFlow(String d, long outPort) {
+ DeviceId device = DeviceId.deviceId(d);
+ TrafficSelector ts = DefaultTrafficSelector.builder().build();
+ TrafficTreatment tt = DefaultTrafficTreatment.builder()
+ .add(Instructions.createOutput(PortNumber.portNumber(outPort))).build();
+ return new DefaultFlowRule(device, ts, tt, 1, new DefaultApplicationId(5000, "of"),
+ 50000, true, FlowRuleExtPayLoad.flowRuleExtPayLoad(new byte[5]));
+ }
+
+}
diff --git a/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockFlowRuleService.java b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockFlowRuleService.java
new file mode 100644
index 0000000..40bb004
--- /dev/null
+++ b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockFlowRuleService.java
@@ -0,0 +1,103 @@
+package org.onosproject.flowanalyzer;
+
+import com.google.common.collect.Sets;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flow.DefaultFlowEntry;
+import org.onosproject.net.flow.FlowEntry;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.FlowRuleOperations;
+import org.onosproject.net.flow.FlowRuleServiceAdapter;
+
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.stream.Collectors;
+
+/**
+ * Created by nikcheerla on 7/20/15.
+ */
+
+public class MockFlowRuleService extends FlowRuleServiceAdapter {
+
+ final Set<FlowRule> flows = Sets.newHashSet();
+ boolean success;
+
+ int errorFlow = -1;
+ public void setErrorFlow(int errorFlow) {
+ this.errorFlow = errorFlow;
+ }
+
+ public void setFuture(boolean success) {
+ this.success = success;
+ }
+
+ @Override
+ public void apply(FlowRuleOperations ops) {
+ AtomicBoolean thisSuccess = new AtomicBoolean(success);
+ ops.stages().forEach(stage -> stage.forEach(flow -> {
+ if (errorFlow == flow.rule().id().value()) {
+ thisSuccess.set(false);
+ } else {
+ switch (flow.type()) {
+ case ADD:
+ case MODIFY: //TODO is this the right behavior for modify?
+ flows.add(flow.rule());
+ break;
+ case REMOVE:
+ flows.remove(flow.rule());
+ break;
+ default:
+ break;
+ }
+ }
+ }));
+ if (thisSuccess.get()) {
+ ops.callback().onSuccess(ops);
+ } else {
+ ops.callback().onError(ops);
+ }
+ }
+
+ @Override
+ public int getFlowRuleCount() {
+ return flows.size();
+ }
+
+ @Override
+ public Iterable<FlowEntry> getFlowEntries(DeviceId deviceId) {
+ return flows.stream()
+ .filter(flow -> flow.deviceId().equals(deviceId))
+ .map(DefaultFlowEntry::new)
+ .collect(Collectors.toList());
+ }
+
+ @Override
+ public void applyFlowRules(FlowRule... flowRules) {
+ for (FlowRule flow : flowRules) {
+ flows.add(flow);
+ }
+ }
+
+ @Override
+ public void removeFlowRules(FlowRule... flowRules) {
+ for (FlowRule flow : flowRules) {
+ flows.remove(flow);
+ }
+ }
+
+ @Override
+ public Iterable<FlowRule> getFlowRulesById(ApplicationId id) {
+ return flows.stream()
+ .filter(flow -> flow.appId() == id.id())
+ .collect(Collectors.toList());
+ }
+
+ @Override
+ public Iterable<FlowRule> getFlowRulesByGroupId(ApplicationId appId, short groupId) {
+ return flows.stream()
+ .filter(flow -> flow.appId() == appId.id() && flow.groupId().id() == groupId)
+ .collect(Collectors.toList());
+ }
+}
+
+
diff --git a/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockLinkService.java b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockLinkService.java
new file mode 100644
index 0000000..2171c6f
--- /dev/null
+++ b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockLinkService.java
@@ -0,0 +1,183 @@
+package org.onosproject.flowanalyzer;
+
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.link.LinkServiceAdapter;
+import org.onosproject.net.topology.TopologyEdge;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.ElementId;
+import org.onosproject.net.HostId;
+import org.onosproject.net.Link;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.topology.TopologyVertex;
+
+import java.util.Set;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.HashSet;
+
+import static org.onosproject.net.Link.State.ACTIVE;
+
+
+/**
+ * Created by nikcheerla on 7/21/15.
+ */
+public class MockLinkService extends LinkServiceAdapter {
+ DefaultMutableTopologyGraph createdGraph = new DefaultMutableTopologyGraph(new HashSet<>(), new HashSet<>());
+ List<Link> links = new ArrayList<>();
+
+ @Override
+ public int getLinkCount() {
+ return links.size();
+ }
+
+ @Override
+ public Iterable<Link> getLinks() {
+ return links;
+ }
+
+ @Override
+ public Set<Link> getDeviceLinks(DeviceId deviceId) {
+ Set<Link> egress = getDeviceEgressLinks(deviceId);
+ egress.addAll(getDeviceIngressLinks(deviceId));
+ return egress;
+ }
+
+ @Override
+ public Set<Link> getDeviceEgressLinks(DeviceId deviceId) {
+ Set<Link> setL = new HashSet<>();
+ for (Link l: links) {
+ if (l.src().elementId() instanceof DeviceId && l.src().deviceId().equals(deviceId)) {
+ setL.add(l);
+ }
+ }
+ return setL;
+ }
+
+ @Override
+ public Set<Link> getDeviceIngressLinks(DeviceId deviceId) {
+ Set<Link> setL = new HashSet<>();
+ for (Link l: links) {
+ if (l.dst().elementId() instanceof DeviceId && l.dst().deviceId().equals(deviceId)) {
+ setL.add(l);
+ }
+ }
+ return setL;
+ }
+
+
+ @Override
+ public Set<Link> getEgressLinks(ConnectPoint pt) {
+ Set<Link> setL = new HashSet<>();
+ for (Link l: links) {
+ if (l.src().equals(pt)) {
+ setL.add(l);
+ }
+ }
+ return setL;
+ }
+
+ @Override
+ public Set<Link> getIngressLinks(ConnectPoint pt) {
+ Set<Link> setL = new HashSet<>();
+ for (Link l: links) {
+ if (l.dst().equals(pt)) {
+ setL.add(l);
+ }
+ }
+ return setL;
+ }
+
+ @Override
+ public Set<Link> getLinks(ConnectPoint pt) {
+ Set<Link> setL = new HashSet<>();
+ for (Link l: links) {
+ if (l.src().equals(pt) || l.dst().equals(pt)) {
+ setL.add(l);
+ }
+ }
+ return setL;
+ }
+
+ public void addLink(String device, long port, String device2, long port2) {
+ ElementId d1;
+ if (device.charAt(0) == 'H') {
+ device = device.substring(1, device.length());
+ d1 = HostId.hostId(device);
+ } else {
+ d1 = DeviceId.deviceId(device);
+ }
+
+ ElementId d2;
+ if (device2.charAt(0) == 'H') {
+ d2 = HostId.hostId(device2.substring(1, device2.length()));
+ } else {
+ d2 = DeviceId.deviceId(device2);
+ }
+
+ ConnectPoint src = new ConnectPoint(d1, PortNumber.portNumber(port));
+ ConnectPoint dst = new ConnectPoint(d2, PortNumber.portNumber(port2));
+ Link curLink;
+ curLink = new Link() {
+ @Override
+ public ConnectPoint src() {
+ return src;
+ }
+
+ @Override
+ public ConnectPoint dst() {
+ return dst;
+ }
+
+ @Override
+ public boolean isDurable() {
+ return true;
+ }
+
+ @Override
+ public Annotations annotations() {
+ return null;
+ }
+
+ @Override
+ public Type type() {
+ return null;
+ }
+
+ @Override
+ public ProviderId providerId() {
+ return null;
+ }
+
+ @Override
+ public State state() {
+ return ACTIVE;
+ }
+ };
+ links.add(curLink);
+ if (d1 instanceof DeviceId && d2 instanceof DeviceId) {
+ TopologyVertex v1 = () -> (DeviceId) d1, v2 = () -> (DeviceId) d2;
+ createdGraph.addVertex(v1);
+ createdGraph.addVertex(v2);
+ createdGraph.addEdge(new TopologyEdge() {
+ @Override
+ public Link link() {
+ return curLink;
+ }
+
+ @Override
+ public TopologyVertex src() {
+ return v1;
+ }
+
+ @Override
+ public TopologyVertex dst() {
+ return v2;
+ }
+ });
+ }
+ }
+
+
+}
diff --git a/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockTopologyService.java b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockTopologyService.java
new file mode 100644
index 0000000..0d25c97
--- /dev/null
+++ b/apps/flowanalyzer/src/test/java/org/onosproject/flowanalyzer/MockTopologyService.java
@@ -0,0 +1,21 @@
+package org.onosproject.flowanalyzer;
+import org.onosproject.net.topology.Topology;
+import org.onosproject.net.topology.TopologyGraph;
+import org.onosproject.net.topology.TopologyServiceAdapter;
+
+
+/**
+ * Created by nikcheerla on 7/20/15.
+ */
+public class MockTopologyService extends TopologyServiceAdapter {
+ TopologyGraph cur;
+
+ public MockTopologyService(TopologyGraph g) {
+ cur = g;
+ }
+
+ @Override
+ public TopologyGraph getGraph(Topology topology) {
+ return cur;
+ }
+}