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[vpnservice.git] / interfacemgr / interfacemgr-impl / src / main / java / org / opendaylight / vpnservice / interfacemgr / servicebindings / flowbased / listeners / FlowBasedServicesConfigListener.java

diff --git a/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/servicebindings/flowbased/listeners/FlowBasedServicesConfigListener.java b/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/servicebindings/flowbased/listeners/FlowBasedServicesConfigListener.java
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+/*
+ * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.listeners;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.vpnservice.datastoreutils.AsyncDataTreeChangeListenerBase;
+import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
+import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.confighelpers.FlowBasedServicesConfigBindHelper;
+import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.confighelpers.FlowBasedServicesConfigUnbindHelper;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceBindings;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+import java.util.concurrent.Callable;
+
+public class FlowBasedServicesConfigListener extends AsyncDataTreeChangeListenerBase<BoundServices, FlowBasedServicesConfigListener> {
+    private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesConfigListener.class);
+    private DataBroker dataBroker;
+
+    public FlowBasedServicesConfigListener(final DataBroker dataBroker) {
+        super(BoundServices.class, FlowBasedServicesConfigListener.class);
+        this.dataBroker = dataBroker;
+    }
+
+    @Override
+    protected InstanceIdentifier<BoundServices> getWildCardPath() {
+        return InstanceIdentifier.create(ServiceBindings.class).child(ServicesInfo.class)
+                .child(BoundServices.class);
+    }
+
+    @Override
+    protected void remove(InstanceIdentifier<BoundServices> key, BoundServices boundServiceOld) {
+        String interfaceName = InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName();
+        LOG.info("Service Binding Entry removed for Interface: {}, Data: {}",
+                interfaceName, boundServiceOld);
+
+        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+        RendererConfigRemoveWorker configWorker = new RendererConfigRemoveWorker(key, boundServiceOld);
+        coordinator.enqueueJob(interfaceName, configWorker);
+    }
+
+    @Override
+    protected void update(InstanceIdentifier<BoundServices> key, BoundServices boundServiceOld,
+                          BoundServices boundServiceNew) {
+        LOG.error("Service Binding entry update not allowed for: {}, Data: {}",
+                InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName(), boundServiceNew);
+    }
+
+    @Override
+    protected void add(InstanceIdentifier<BoundServices> key, BoundServices boundServicesNew) {
+        String interfaceName = InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName();
+        LOG.info("Service Binding Entry created for Interface: {}, Data: {}",
+                interfaceName, boundServicesNew);
+
+        DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
+        RendererConfigAddWorker configWorker = new RendererConfigAddWorker(key, boundServicesNew);
+        coordinator.enqueueJob(interfaceName, configWorker);
+    }
+
+    @Override
+    protected FlowBasedServicesConfigListener getDataTreeChangeListener() {
+        return FlowBasedServicesConfigListener.this;
+    }
+
+    private class RendererConfigAddWorker implements Callable<List<ListenableFuture<Void>>> {
+        InstanceIdentifier<BoundServices> instanceIdentifier;
+        BoundServices boundServicesNew;
+
+        public RendererConfigAddWorker(InstanceIdentifier<BoundServices> instanceIdentifier,
+                                       BoundServices boundServicesNew) {
+            this.instanceIdentifier = instanceIdentifier;
+            this.boundServicesNew = boundServicesNew;
+        }
+
+        @Override
+        public List<ListenableFuture<Void>> call() throws Exception {
+            return FlowBasedServicesConfigBindHelper.bindService(instanceIdentifier,
+                    boundServicesNew, dataBroker);
+        }
+    }
+
+    private class RendererConfigRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
+        InstanceIdentifier<BoundServices> instanceIdentifier;
+        BoundServices boundServicesNew;
+
+        public RendererConfigRemoveWorker(InstanceIdentifier<BoundServices> instanceIdentifier,
+                                       BoundServices boundServicesNew) {
+            this.instanceIdentifier = instanceIdentifier;
+            this.boundServicesNew = boundServicesNew;
+        }
+
+        @Override
+        public List<ListenableFuture<Void>> call() throws Exception {
+            return FlowBasedServicesConfigUnbindHelper.unbindService(instanceIdentifier,
+                    boundServicesNew, dataBroker);
+        }
+    }
+}
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