/**
* Copyright (c) 2014 Cisco Systems, Inc. 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.controller.frm.flow;
+import java.math.BigInteger;
+
import org.opendaylight.controller.frm.AbstractChangeListener;
+import org.opendaylight.controller.frm.FlowCookieProducer;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowTableRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlowBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlowBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.google.common.base.Preconditions;
+
/**
- *
+ * Flow Change Listener
+ * add, update and remove {@link Flow} processing from {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
+ *
* @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
*
*/
public class FlowChangeListener extends AbstractChangeListener {
- private final static Logger LOG = LoggerFactory.getLogger(FlowChangeListener.class);
+ private static final Logger LOG = LoggerFactory.getLogger(FlowChangeListener.class);
- private final SalFlowService salFlowService;
+ private final FlowProvider provider;
- public SalFlowService getSalFlowService() {
- return this.salFlowService;
- }
-
- public FlowChangeListener(final SalFlowService manager) {
- this.salFlowService = manager;
+ public FlowChangeListener (final FlowProvider provider) {
+ this.provider = Preconditions.checkNotNull(provider, "FlowProvider can not be null !");
}
@Override
- protected void validate() throws IllegalStateException {
- FlowTransactionValidator.validate(this);
+ protected void remove(final InstanceIdentifier<? extends DataObject> identifier,
+ final DataObject removeDataObj) {
+
+ final Flow flow = ((Flow) removeDataObj);
+ final InstanceIdentifier<Table> tableIdent = identifier.firstIdentifierOf(Table.class);
+ final InstanceIdentifier<Node> nodeIdent = identifier.firstIdentifierOf(Node.class);
+ final RemoveFlowInputBuilder builder = new RemoveFlowInputBuilder(flow);
+
+ // use empty cookie mask in order to delete flow even with generated cookie
+ builder.setCookieMask(new FlowCookie(BigInteger.ZERO));
+
+ builder.setFlowRef(new FlowRef(identifier));
+ builder.setNode(new NodeRef(nodeIdent));
+ builder.setFlowTable(new FlowTableRef(tableIdent));
+
+ Uri uri = new Uri(this.getTransactionId());
+ builder.setTransactionUri(uri);
+ this.provider.getSalFlowService().removeFlow(builder.build());
+ LOG.debug("Transaction {} - Removed Flow has removed flow: {}", new Object[]{uri, removeDataObj});
}
@Override
- protected void remove(InstanceIdentifier<? extends DataObject> identifier, DataObject removeDataObj) {
- if ((removeDataObj instanceof Flow)) {
-
- final Flow flow = ((Flow) removeDataObj);
- final InstanceIdentifier<Table> tableInstanceId = identifier.<Table> firstIdentifierOf(Table.class);
- final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node> firstIdentifierOf(Node.class);
- final RemoveFlowInputBuilder builder = new RemoveFlowInputBuilder(flow);
-
- builder.setFlowRef(new FlowRef(identifier));
- builder.setNode(new NodeRef(nodeInstanceId));
- builder.setFlowTable(new FlowTableRef(tableInstanceId));
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
- this.salFlowService.removeFlow((RemoveFlowInput) builder.build());
- LOG.debug("Transaction {} - Removed Flow has removed flow: {}", new Object[]{uri, removeDataObj});
- }
+ protected void update(final InstanceIdentifier<? extends DataObject> identifier,
+ final DataObject original, final DataObject update) {
+
+ final Flow originalFlow = ((Flow) original);
+ final Flow updatedFlow = ((Flow) update);
+ final InstanceIdentifier<Node> nodeIdent = identifier.firstIdentifierOf(Node.class);
+ final UpdateFlowInputBuilder builder = new UpdateFlowInputBuilder();
+
+ builder.setNode(new NodeRef(nodeIdent));
+ builder.setFlowRef(new FlowRef(identifier));
+
+ Uri uri = new Uri(this.getTransactionId());
+ builder.setTransactionUri(uri);
+
+ builder.setUpdatedFlow((new UpdatedFlowBuilder(updatedFlow)).build());
+ builder.setOriginalFlow((new OriginalFlowBuilder(originalFlow)).build());
+
+ this.provider.getSalFlowService().updateFlow(builder.build());
+ LOG.debug("Transaction {} - Update Flow has updated flow {} with {}", new Object[]{uri, original, update});
}
@Override
- protected void update(InstanceIdentifier<? extends DataObject> identifier, DataObject original, DataObject update) {
- if (original instanceof Flow && update instanceof Flow) {
-
- final Flow originalFlow = ((Flow) original);
- final Flow updatedFlow = ((Flow) update);
- final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node>firstIdentifierOf(Node.class);
- final UpdateFlowInputBuilder builder = new UpdateFlowInputBuilder();
-
- builder.setNode(new NodeRef(nodeInstanceId));
- builder.setFlowRef(new FlowRef(identifier));
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
-
- builder.setUpdatedFlow((UpdatedFlow) (new UpdatedFlowBuilder(updatedFlow)).build());
- builder.setOriginalFlow((OriginalFlow) (new OriginalFlowBuilder(originalFlow)).build());
-
- this.salFlowService.updateFlow((UpdateFlowInput) builder.build());
- LOG.debug("Transaction {} - Update Flow has updated flow {} with {}", new Object[]{uri, original, update});
- }
+ protected void add(final InstanceIdentifier<? extends DataObject> identifier,
+ final DataObject addDataObj) {
+
+ final Flow flow = ((Flow) addDataObj);
+ final InstanceIdentifier<Table> tableIdent = identifier.firstIdentifierOf(Table.class);
+ final NodeRef nodeRef = new NodeRef(identifier.firstIdentifierOf(Node.class));
+ final FlowCookie flowCookie = new FlowCookie(FlowCookieProducer.INSTANCE.getNewCookie(tableIdent));
+ final AddFlowInputBuilder builder = new AddFlowInputBuilder(flow);
+
+ builder.setNode(nodeRef);
+ builder.setFlowRef(new FlowRef(identifier));
+ builder.setFlowTable(new FlowTableRef(tableIdent));
+ builder.setCookie( flowCookie );
+
+ Uri uri = new Uri(this.getTransactionId());
+ builder.setTransactionUri(uri);
+ this.provider.getSalFlowService().addFlow(builder.build());
+ LOG.debug("Transaction {} - Add Flow has added flow: {}", new Object[]{uri, addDataObj});
}
@Override
- protected void add(InstanceIdentifier<? extends DataObject> identifier, DataObject addDataObj) {
- if ((addDataObj instanceof Flow)) {
-
- final Flow flow = ((Flow) addDataObj);
- final InstanceIdentifier<Table> tableInstanceId = identifier.<Table> firstIdentifierOf(Table.class);
- final InstanceIdentifier<Node> nodeInstanceId = identifier.<Node> firstIdentifierOf(Node.class);
- final AddFlowInputBuilder builder = new AddFlowInputBuilder(flow);
-
- builder.setNode(new NodeRef(nodeInstanceId));
- builder.setFlowRef(new FlowRef(identifier));
- builder.setFlowTable(new FlowTableRef(tableInstanceId));
-
- Uri uri = new Uri(this.getTransactionId());
- builder.setTransactionUri(uri);
- this.salFlowService.addFlow((AddFlowInput) builder.build());
- LOG.debug("Transaction {} - Add Flow has added flow: {}", new Object[]{uri, addDataObj});
- }
+ protected boolean preconditionForChange(final InstanceIdentifier<? extends DataObject> identifier,
+ final DataObject dataObj, final DataObject update) {
+
+ final ReadOnlyTransaction trans = this.provider.getDataService().newReadOnlyTransaction();
+ return update != null
+ ? (dataObj instanceof Flow && update instanceof Flow && isNodeAvailable(identifier, trans))
+ : (dataObj instanceof Flow && isNodeAvailable(identifier, trans));
}
}