Move IntentCompilers to the dedicated package
Change-Id: I9ec09e5e5fce45acfc6417dd640f57fd659f7f1f
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/installer/OpticalPathIntentInstaller.java b/core/net/src/main/java/org/onosproject/net/intent/impl/installer/OpticalPathIntentInstaller.java
new file mode 100644
index 0000000..5fa4d49
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/installer/OpticalPathIntentInstaller.java
@@ -0,0 +1,187 @@
+/*
+ * Copyright 2014 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.impl.installer;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Link;
+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.FlowRuleOperation;
+import org.onosproject.net.flow.FlowRuleService;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.intent.IntentExtensionService;
+import org.onosproject.net.intent.IntentInstaller;
+import org.onosproject.net.intent.OpticalPathIntent;
+import org.onosproject.net.resource.DefaultLinkResourceRequest;
+import org.onosproject.net.resource.Lambda;
+import org.onosproject.net.resource.LambdaResourceAllocation;
+import org.onosproject.net.resource.LinkResourceAllocations;
+import org.onosproject.net.resource.LinkResourceRequest;
+import org.onosproject.net.resource.LinkResourceService;
+import org.onosproject.net.resource.ResourceAllocation;
+import org.onosproject.net.resource.ResourceType;
+import org.onosproject.net.topology.TopologyService;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+import java.util.List;
+
+import static org.onosproject.net.flow.DefaultTrafficTreatment.builder;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Installer for {@link org.onosproject.net.intent.OpticalPathIntent optical path connectivity intents}.
+ */
+@Component(immediate = true)
+public class OpticalPathIntentInstaller implements IntentInstaller<OpticalPathIntent> {
+ private final Logger log = getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected IntentExtensionService intentManager;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected FlowRuleService flowRuleService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected TopologyService topologyService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected LinkResourceService resourceService;
+
+ private ApplicationId appId;
+
+ static final short SIGNAL_TYPE = (short) 1;
+
+ @Activate
+ public void activate() {
+ appId = coreService.registerApplication("org.onosproject.net.intent");
+ intentManager.registerInstaller(OpticalPathIntent.class, this);
+ }
+
+ @Deactivate
+ public void deactivate() {
+ intentManager.unregisterInstaller(OpticalPathIntent.class);
+ }
+
+ @Override
+ public List<Collection<FlowRuleOperation>> install(OpticalPathIntent intent) {
+ LinkResourceAllocations allocations = assignWavelength(intent);
+ return generateRules(intent, allocations, FlowRuleOperation.Type.ADD);
+ }
+
+ @Override
+ public List<Collection<FlowRuleOperation>> uninstall(OpticalPathIntent intent) {
+ LinkResourceAllocations allocations = resourceService.getAllocations(intent.id());
+ List<Collection<FlowRuleOperation>> rules = generateRules(intent, allocations, FlowRuleOperation.Type.REMOVE);
+ log.info("uninstall rules: {}", rules);
+ return rules;
+ }
+
+ @Override
+ public List<Collection<FlowRuleOperation>> replace(OpticalPathIntent oldIntent,
+ OpticalPathIntent newIntent) {
+ // FIXME: implement this
+ List<Collection<FlowRuleOperation>> batches = Lists.newArrayList();
+ batches.addAll(uninstall(oldIntent));
+ batches.addAll(install(newIntent));
+ return batches;
+ }
+
+ private LinkResourceAllocations assignWavelength(OpticalPathIntent intent) {
+ LinkResourceRequest.Builder request = DefaultLinkResourceRequest.builder(intent.id(),
+ intent.path().links())
+ .addLambdaRequest();
+ LinkResourceAllocations retLambda = resourceService.requestResources(request.build());
+ return retLambda;
+ }
+
+ private List<Collection<FlowRuleOperation>> generateRules(OpticalPathIntent intent,
+ LinkResourceAllocations allocations,
+ FlowRuleOperation.Type operation) {
+ TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
+ selectorBuilder.matchInPort(intent.src().port());
+
+ List<FlowRuleOperation> rules = Lists.newLinkedList();
+ ConnectPoint prev = intent.src();
+
+ //FIXME check for null allocations
+ //TODO throw exception if the lambda was not assigned successfully
+ for (Link link : intent.path().links()) {
+ Lambda la = null;
+ for (ResourceAllocation allocation : allocations.getResourceAllocation(link)) {
+ if (allocation.type() == ResourceType.LAMBDA) {
+ la = ((LambdaResourceAllocation) allocation).lambda();
+ break;
+ }
+ }
+
+ if (la == null) {
+ log.info("Lambda was not assigned successfully");
+ return null;
+ }
+
+ TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
+ treatmentBuilder.setOutput(link.src().port());
+ treatmentBuilder.setLambda((short) la.toInt());
+
+ FlowRule rule = new DefaultFlowRule(prev.deviceId(),
+ selectorBuilder.build(),
+ treatmentBuilder.build(),
+ 100,
+ appId,
+ 100,
+ true);
+
+ rules.add(new FlowRuleOperation(rule, operation));
+
+ prev = link.dst();
+ selectorBuilder.matchInPort(link.dst().port());
+ selectorBuilder.matchOpticalSignalType(SIGNAL_TYPE); //todo
+ selectorBuilder.matchLambda((short) la.toInt());
+
+ }
+
+ // build the last T port rule
+ TrafficTreatment.Builder treatmentLast = builder();
+ treatmentLast.setOutput(intent.dst().port());
+ FlowRule rule = new DefaultFlowRule(intent.dst().deviceId(),
+ selectorBuilder.build(),
+ treatmentLast.build(),
+ 100,
+ appId,
+ 100,
+ true);
+ rules.add(new FlowRuleOperation(rule, operation));
+
+ //FIXME change to new api
+ return Lists.newArrayList(ImmutableSet.of(rules));
+ }
+}