Optical Path Porvisioning
Change-Id: I9788fd9172edc8ab571aa1d41962c2bd10697c50
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java
new file mode 100644
index 0000000..2e4f2fd
--- /dev/null
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/OpticalPathIntentInstaller.java
@@ -0,0 +1,128 @@
+package org.onlab.onos.net.intent.impl;
+
+import static org.onlab.onos.net.flow.DefaultTrafficTreatment.builder;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.Future;
+
+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.onlab.onos.ApplicationId;
+import org.onlab.onos.CoreService;
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.flow.CompletedBatchOperation;
+import org.onlab.onos.net.flow.DefaultFlowRule;
+import org.onlab.onos.net.flow.DefaultTrafficSelector;
+import org.onlab.onos.net.flow.FlowRule;
+import org.onlab.onos.net.flow.FlowRuleBatchEntry;
+import org.onlab.onos.net.flow.FlowRuleBatchOperation;
+import org.onlab.onos.net.flow.FlowRuleService;
+import org.onlab.onos.net.flow.TrafficSelector;
+import org.onlab.onos.net.flow.TrafficTreatment;
+import org.onlab.onos.net.flow.FlowRuleBatchEntry.FlowRuleOperation;
+import org.onlab.onos.net.intent.IntentExtensionService;
+import org.onlab.onos.net.intent.IntentInstaller;
+import org.onlab.onos.net.intent.OpticalPathIntent;
+import org.slf4j.Logger;
+
+import com.google.common.collect.Lists;
+
+/**
+ * OpticaliIntentInstaller for optical path intents.
+ * It essentially generates optical FlowRules and
+ * call the flowRule service to execute them.
+ */
+
+@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;
+
+ private ApplicationId appId;
+
+ @Activate
+ public void activate() {
+ appId = coreService.registerApplication("org.onlab.onos.net.intent");
+ intentManager.registerInstaller(OpticalPathIntent.class, this);
+ }
+
+ @Deactivate
+ public void deactivate() {
+ intentManager.unregisterInstaller(OpticalPathIntent.class);
+ }
+
+ @Override
+ public Future<CompletedBatchOperation> install(OpticalPathIntent intent) {
+ TrafficSelector.Builder builder =
+ DefaultTrafficSelector.builder(intent.selector());
+ Iterator<Link> links = intent.path().links().iterator();
+ ConnectPoint prev = links.next().dst();
+ List<FlowRuleBatchEntry> rules = Lists.newLinkedList();
+ while (links.hasNext()) {
+ builder.matchInport(prev.port());
+ Link link = links.next();
+ TrafficTreatment treatment = builder()
+ .setOutput(link.src().port()).build();
+
+ FlowRule rule = new DefaultFlowRule(link.src().deviceId(),
+ builder.build(),
+ treatment,
+ 100, // priority is set to 100
+ appId,
+ 100); // ROADM may need longer cross-connect time, here it is assumed 100ms.
+
+ rules.add(new FlowRuleBatchEntry(FlowRuleOperation.ADD, rule));
+ prev = link.dst();
+ }
+
+ FlowRuleBatchOperation batch = new FlowRuleBatchOperation(rules);
+ Future<CompletedBatchOperation> future = flowRuleService.applyBatch(batch);
+ return future;
+ }
+
+ @Override
+ public Future<CompletedBatchOperation> uninstall(OpticalPathIntent intent) {
+ TrafficSelector.Builder builder =
+ DefaultTrafficSelector.builder(intent.selector());
+ Iterator<Link> links = intent.path().links().iterator();
+ ConnectPoint prev = links.next().dst();
+ List<FlowRuleBatchEntry> rules = Lists.newLinkedList();
+
+ while (links.hasNext()) {
+ builder.matchInport(prev.port());
+ Link link = links.next();
+ TrafficTreatment treatment = builder()
+ .setOutput(link.src().port()).build();
+
+ FlowRule rule = new DefaultFlowRule(link.src().deviceId(),
+ builder.build(),
+ treatment,
+ 100,
+ appId,
+ 100);
+
+ rules.add(new FlowRuleBatchEntry(FlowRuleOperation.REMOVE, rule));
+ prev = link.dst();
+ }
+
+ FlowRuleBatchOperation batch = new FlowRuleBatchOperation(rules);
+ Future<CompletedBatchOperation> future = flowRuleService.applyBatch(batch);
+ return future;
+ }
+
+}