Refactored to handle service instance by service type
- Added service instance handler
- Implemented dummy, vsg, and olt agent instance handler
Change-Id: Id3edd5eecb1caadf0f835cb10a952100e18b283b
diff --git a/src/main/java/org/onosproject/cordvtn/impl/service/OltAgentInstanceHandler.java b/src/main/java/org/onosproject/cordvtn/impl/service/OltAgentInstanceHandler.java
new file mode 100644
index 0000000..eaec689
--- /dev/null
+++ b/src/main/java/org/onosproject/cordvtn/impl/service/OltAgentInstanceHandler.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2016-present 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.cordvtn.impl.service;
+
+import com.google.common.collect.Maps;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.cordconfig.access.AccessAgentConfig;
+import org.onosproject.cordconfig.access.AccessAgentData;
+import org.onosproject.cordvtn.api.CordVtnConfig;
+import org.onosproject.cordvtn.api.Instance;
+import org.onosproject.cordvtn.api.InstanceHandler;
+import org.onosproject.cordvtn.impl.CordVtnInstanceHandler;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.basics.SubjectFactories;
+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.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.xosclient.api.VtnService;
+
+import java.util.Map;
+import java.util.Set;
+
+import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
+import static org.onlab.util.Tools.groupedThreads;
+import static org.onosproject.cordvtn.impl.CordVtnPipeline.PRIORITY_MANAGEMENT;
+import static org.onosproject.cordvtn.impl.CordVtnPipeline.TABLE_ACCESS_TYPE;
+
+/**
+ * Provides network connectivity for OLT agent instances.
+ */
+@Component(immediate = true)
+public class OltAgentInstanceHandler extends CordVtnInstanceHandler implements InstanceHandler {
+
+ private static final Class<AccessAgentConfig> CONFIG_CLASS = AccessAgentConfig.class;
+ private ConfigFactory<DeviceId, AccessAgentConfig> configFactory =
+ new ConfigFactory<DeviceId, AccessAgentConfig>(
+ SubjectFactories.DEVICE_SUBJECT_FACTORY, CONFIG_CLASS, "accessAgent") {
+ @Override
+ public AccessAgentConfig createConfig() {
+ return new AccessAgentConfig();
+ }
+ };
+
+ private Map<DeviceId, AccessAgentData> oltAgentData = Maps.newConcurrentMap();
+ private IpPrefix mgmtIpRange = null;
+
+ @Activate
+ protected void activate() {
+ eventExecutor = newSingleThreadScheduledExecutor(groupedThreads("onos/cordvtn-olt", "event-handler"));
+ serviceType = VtnService.ServiceType.OLT_AGENT;
+
+ configRegistry.registerConfigFactory(configFactory);
+ configListener = new InternalConfigListener();
+
+ super.activate();
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ super.deactivate();
+ }
+
+ @Override
+ public void instanceDetected(Instance instance) {
+ log.info("OLT agent instance detected {}", instance);
+
+ managementAccessRule(instance.deviceId(), true);
+ // TODO implement
+ }
+
+ @Override
+ public void instanceRemoved(Instance instance) {
+ log.info("OLT agent instance removed {}", instance);
+
+ if (getInstances(instance.serviceId()).isEmpty()) {
+ nodeManager.completeNodes().stream().forEach(node ->
+ managementAccessRule(node.intBrId(), false));
+ }
+
+ // TODO implement
+ }
+
+ private void managementAccessRule(DeviceId deviceId, boolean install) {
+ // TODO remove this rule after long term management network is done
+ if (mgmtIpRange != null) {
+ TrafficSelector selector = DefaultTrafficSelector.builder()
+ .matchEthType(Ethernet.TYPE_IPV4)
+ .matchIPDst(mgmtIpRange)
+ .build();
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setOutput(PortNumber.LOCAL)
+ .build();
+
+ FlowRule flowRule = DefaultFlowRule.builder()
+ .fromApp(appId)
+ .withSelector(selector)
+ .withTreatment(treatment)
+ .withPriority(PRIORITY_MANAGEMENT)
+ .forDevice(deviceId)
+ .forTable(TABLE_ACCESS_TYPE)
+ .makePermanent()
+ .build();
+
+ pipeline.processFlowRule(install, flowRule);
+ }
+ }
+
+ private void readAccessAgentConfig() {
+
+ Set<DeviceId> deviceSubjects = configRegistry.getSubjects(DeviceId.class, CONFIG_CLASS);
+ deviceSubjects.stream().forEach(subject -> {
+ AccessAgentConfig config = configRegistry.getConfig(subject, CONFIG_CLASS);
+ if (config != null) {
+ oltAgentData.put(subject, config.getAgent());
+ }
+ });
+ }
+
+ @Override
+ protected void readConfiguration() {
+ CordVtnConfig config = configRegistry.getConfig(appId, CordVtnConfig.class);
+ if (config == null) {
+ log.debug("No configuration found");
+ return;
+ }
+
+ osAccess = config.openstackAccess();
+ xosAccess = config.xosAccess();
+ mgmtIpRange = config.managementIpRange();
+ }
+
+ public class InternalConfigListener implements NetworkConfigListener {
+
+ @Override
+ public void event(NetworkConfigEvent event) {
+
+ switch (event.type()) {
+ case CONFIG_UPDATED:
+ case CONFIG_ADDED:
+ if (event.configClass().equals(CordVtnConfig.class)) {
+ readConfiguration();
+ } else if (event.configClass().equals(CONFIG_CLASS)) {
+ readAccessAgentConfig();
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}