/**
* 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.impl;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;
import org.opendaylight.controller.frm.FlowNodeReconciliation;
import org.opendaylight.controller.frm.ForwardingRulesCommiter;
import org.opendaylight.controller.frm.ForwardingRulesManager;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
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.SalFlowService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.SalGroupService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.SalMeterService;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Preconditions;
import com.google.common.collect.Sets;
/**
* forwardingrules-manager
* org.opendaylight.controller.frm.impl
*
* Manager and middle point for whole module.
* It contains ActiveNodeHolder and provide all RPC services.
*
* @author Vaclav Demcak
*
* Created: Aug 25, 2014
*/
public class ForwardingRulesManagerImpl implements ForwardingRulesManager {
private static final Logger LOG = LoggerFactory.getLogger(ForwardingRulesManagerImpl.class);
private final AtomicLong txNum = new AtomicLong();
private final Object lockObj = new Object();
private Set> activeNodes = Collections.emptySet();
private final DataBroker dataService;
private final SalFlowService salFlowService;
private final SalGroupService salGroupService;
private final SalMeterService salMeterService;
private ForwardingRulesCommiter flowListener;
private ForwardingRulesCommiter groupListener;
private ForwardingRulesCommiter meterListener;
private FlowNodeReconciliation nodeListener;
public ForwardingRulesManagerImpl(final DataBroker dataBroker,
final RpcConsumerRegistry rpcRegistry) {
this.dataService = Preconditions.checkNotNull(dataBroker, "DataBroker can not be null!");
Preconditions.checkArgument(rpcRegistry != null, "RpcConsumerRegistry can not be null !");
this.salFlowService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalFlowService.class),
"RPC SalFlowService not found.");
this.salGroupService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalGroupService.class),
"RPC SalGroupService not found.");
this.salMeterService = Preconditions.checkNotNull(rpcRegistry.getRpcService(SalMeterService.class),
"RPC SalMeterService not found.");
}
@Override
public void start() {
this.flowListener = new FlowForwarder(this, dataService);
this.groupListener = new GroupForwarder(this, dataService);
this.meterListener = new MeterForwarder(this, dataService);
this.nodeListener = new FlowNodeReconciliationImpl(this, dataService);
LOG.info("ForwardingRulesManager has started successfull.");
}
@Override
public void close() throws Exception {
if(this.flowListener != null) {
this.flowListener.close();
this.flowListener = null;
}
if (this.groupListener != null) {
this.groupListener.close();
this.groupListener = null;
}
if (this.meterListener != null) {
this.meterListener.close();
this.meterListener = null;
}
if (this.nodeListener != null) {
this.nodeListener.close();
this.nodeListener = null;
}
}
@Override
public ReadOnlyTransaction getReadTranaction() {
return dataService.newReadOnlyTransaction();
}
@Override
public String getNewTransactionId() {
return "DOM-" + txNum.getAndIncrement();
}
@Override
public boolean isNodeActive(InstanceIdentifier ident) {
return activeNodes.contains(ident);
}
@Override
public void registrateNewNode(InstanceIdentifier ident) {
if ( ! activeNodes.contains(ident)) {
synchronized (lockObj) {
if ( ! activeNodes.contains(ident)) {
Set> set =
Sets.newHashSet(activeNodes);
set.add(ident);
activeNodes = Collections.unmodifiableSet(set);
}
}
}
}
@Override
public void unregistrateNode(InstanceIdentifier ident) {
if (activeNodes.contains(ident)) {
synchronized (lockObj) {
if (activeNodes.contains(ident)) {
Set> set =
Sets.newHashSet(activeNodes);
set.remove(ident);
activeNodes = Collections.unmodifiableSet(set);
}
}
}
}
@Override
public SalFlowService getSalFlowService() {
return salFlowService;
}
@Override
public SalGroupService getSalGroupService() {
return salGroupService;
}
@Override
public SalMeterService getSalMeterService() {
return salMeterService;
}
@Override
public ForwardingRulesCommiter getFlowCommiter() {
return flowListener;
}
@Override
public ForwardingRulesCommiter getGroupCommiter() {
return groupListener;
}
@Override
public ForwardingRulesCommiter getMeterCommiter() {
return meterListener;
}
@Override
public FlowNodeReconciliation getFlowNodeReconciliation() {
return nodeListener;
}
}