CORD-129 Support access agent in VTN
- Add ACCESS_AGENT type instance based on the access agent location
- Populate flow rules to provider L2 connectivity with OLTs
- Don't check "tap" port name prefix considering container instance
- Changed table name ACCESS_TYPE to ACCESS, DST_IP to DST
Change-Id: I3854f94d371243cde3b1ca1ecfbfb68ef53e0759
diff --git a/src/main/java/org/opencord/cordvtn/impl/handler/AccessAgentInstanceHandler.java b/src/main/java/org/opencord/cordvtn/impl/handler/AccessAgentInstanceHandler.java
new file mode 100644
index 0000000..b2de2c3
--- /dev/null
+++ b/src/main/java/org/opencord/cordvtn/impl/handler/AccessAgentInstanceHandler.java
@@ -0,0 +1,116 @@
+/*
+ * 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.opencord.cordvtn.impl.handler;
+
+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.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.opencord.cordvtn.impl.AbstractInstanceHandler;
+import org.opencord.cordvtn.api.Instance;
+import org.opencord.cordvtn.api.InstanceHandler;
+import org.opencord.cordvtn.impl.CordVtnNodeManager;
+import org.opencord.cordvtn.impl.CordVtnPipeline;
+
+import java.util.Optional;
+
+import static org.onosproject.xosclient.api.VtnServiceApi.ServiceType.ACCESS_AGENT;
+
+/**
+ * Provides network connectivity for access agent instances.
+ */
+@Component(immediate = true)
+public class AccessAgentInstanceHandler extends AbstractInstanceHandler implements InstanceHandler {
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CordVtnPipeline pipeline;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CordVtnNodeManager nodeManager;
+
+ @Activate
+ protected void activate() {
+ serviceType = Optional.of(ACCESS_AGENT);
+ super.activate();
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ super.deactivate();
+ }
+
+ @Override
+ public void instanceDetected(Instance instance) {
+ log.info("Access agent instance detected {}", instance);
+ accessAgentRules(instance, true);
+ }
+
+ @Override
+ public void instanceRemoved(Instance instance) {
+ log.info("Access agent instance removed {}", instance);
+ accessAgentRules(instance, false);
+ }
+
+ private void accessAgentRules(Instance instance, boolean install) {
+ TrafficSelector selector = DefaultTrafficSelector.builder()
+ .matchEthDst(instance.mac())
+ .build();
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setOutput(instance.portNumber())
+ .build();
+
+ FlowRule flowRule = DefaultFlowRule.builder()
+ .fromApp(appId)
+ .withSelector(selector)
+ .withTreatment(treatment)
+ .withPriority(CordVtnPipeline.PRIORITY_DEFAULT)
+ .forDevice(instance.deviceId())
+ .forTable(CordVtnPipeline.TABLE_DST)
+ .makePermanent()
+ .build();
+
+ pipeline.processFlowRule(install, flowRule);
+
+ selector = DefaultTrafficSelector.builder()
+ .matchInPort(instance.portNumber())
+ .build();
+
+ treatment = DefaultTrafficTreatment.builder()
+ .setOutput(nodeManager.dataPort(instance.deviceId()))
+ .build();
+
+ flowRule = DefaultFlowRule.builder()
+ .fromApp(appId)
+ .withSelector(selector)
+ .withTreatment(treatment)
+ .withPriority(CordVtnPipeline.PRIORITY_DEFAULT)
+ .forDevice(instance.deviceId())
+ .forTable(CordVtnPipeline.TABLE_IN_PORT)
+ .makePermanent()
+ .build();
+
+ pipeline.processFlowRule(install, flowRule);
+ }
+}