| package org.onlab.onos.net.intent.impl; |
| |
| import java.util.Iterator; |
| |
| 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.net.ConnectPoint; |
| import org.onlab.onos.net.Link; |
| import org.onlab.onos.net.flow.DefaultFlowRule; |
| import org.onlab.onos.net.flow.DefaultTrafficSelector; |
| import org.onlab.onos.net.flow.DefaultTrafficTreatment; |
| import org.onlab.onos.net.flow.FlowRule; |
| 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.criteria.Criterion; |
| import org.onlab.onos.net.intent.IntentExtensionService; |
| import org.onlab.onos.net.intent.IntentInstaller; |
| import org.onlab.onos.net.intent.PathIntent; |
| |
| /** |
| * An intent installer for {@link PathIntent}. |
| */ |
| @Component(immediate = true) |
| public class PathIntentInstaller |
| implements IntentInstaller<PathIntent> { |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentExtensionService intentManager; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| private FlowRuleService flowRuleService; |
| |
| private final ApplicationId appId = ApplicationId.valueOf(1); |
| |
| @Activate |
| public void activate() { |
| intentManager.registerInstaller(PathIntent.class, this); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| intentManager.unregisterInstaller(PathIntent.class); |
| } |
| |
| @Override |
| public void install(PathIntent intent) { |
| TrafficSelector.Builder builder = new DefaultTrafficSelector.Builder(); |
| TrafficSelector selector = intent.getTrafficSelector(); |
| for (Criterion c : selector.criteria()) { |
| builder.add(c); |
| } |
| |
| Iterator<Link> links = intent.getPath().links().iterator(); |
| ConnectPoint prev = links.next().dst(); |
| while (links.hasNext()) { |
| builder.matchInport(prev.port()); |
| Link link = links.next(); |
| |
| TrafficTreatment.Builder treat = new DefaultTrafficTreatment.Builder(); |
| treat.setOutput(link.src().port()); |
| |
| FlowRule f = new DefaultFlowRule(link.src().deviceId(), |
| builder.build(), treat.build(), 0, appId); |
| flowRuleService.applyFlowRules(f); |
| |
| prev = link.dst(); |
| } |
| |
| } |
| |
| @Override |
| public void uninstall(PathIntent intent) { |
| //TODO |
| } |
| } |