NETVIRT-1630 migrate to md-sal APIs
[netvirt.git] / vpnmanager / impl / src / main / java / org / opendaylight / netvirt / vpnmanager / VpnOpStatusListener.java
index bacf5a9e033ae8091e96842088aff4f9a7919190..502d2308a44258bb9b324cad493ebcddb9955287 100644 (file)
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.netvirt.vpnmanager;
 
-import com.google.common.base.Optional;
+import static java.util.Collections.emptyList;
+
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
@@ -15,23 +16,27 @@ import com.google.common.util.concurrent.MoreExecutors;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import javax.annotation.PostConstruct;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.locks.ReentrantLock;
+import javax.annotation.PreDestroy;
 import javax.inject.Inject;
 import javax.inject.Singleton;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
 import org.opendaylight.genius.infra.Datastore;
 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
+import org.opendaylight.genius.utils.JvmGlobalLocks;
 import org.opendaylight.genius.utils.SystemPropertyReader;
 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
+import org.opendaylight.infrautils.utils.concurrent.Executors;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
 import org.opendaylight.netvirt.vpnmanager.api.VpnExtraRouteHelper;
+import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.AddressFamily;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3nexthop.rev150409.L3nexthop;
@@ -43,11 +48,12 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.Uint32;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 @Singleton
-public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInstanceOpDataEntry, VpnOpStatusListener> {
+public class VpnOpStatusListener extends AbstractAsyncDataTreeChangeListener<VpnInstanceOpDataEntry> {
     private static final Logger LOG = LoggerFactory.getLogger(VpnOpStatusListener.class);
     private final DataBroker dataBroker;
     private final ManagedNewTransactionRunner txRunner;
@@ -64,7 +70,9 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
                                final IdManagerService idManager, final IFibManager fibManager,
                                final IMdsalApiManager mdsalManager, final VpnFootprintService vpnFootprintService,
                                final JobCoordinator jobCoordinator, VpnUtil vpnUtil) {
-        super(VpnInstanceOpDataEntry.class, VpnOpStatusListener.class);
+        super(dataBroker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(VpnInstanceOpData.class)
+                .child(VpnInstanceOpDataEntry.class), Executors
+                .newListeningSingleThreadExecutor("VpnOpStatusListener", LOG));
         this.dataBroker = dataBroker;
         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
         this.bgpManager = bgpManager;
@@ -74,32 +82,29 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
         this.vpnFootprintService = vpnFootprintService;
         this.jobCoordinator = jobCoordinator;
         this.vpnUtil = vpnUtil;
+        start();
     }
 
-    @PostConstruct
     public void start() {
         LOG.info("{} start", getClass().getSimpleName());
-        registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
     }
 
     @Override
-    protected InstanceIdentifier<VpnInstanceOpDataEntry> getWildCardPath() {
-        return InstanceIdentifier.create(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class);
+    @PreDestroy
+    public void close() {
+        super.close();
+        Executors.shutdownAndAwaitTermination(getExecutorService());
     }
 
-    @Override
-    protected VpnOpStatusListener getDataTreeChangeListener() {
-        return VpnOpStatusListener.this;
-    }
 
     @Override
-    protected void remove(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry value) {
+    public void remove(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry value) {
         LOG.info("remove: Ignoring vpn Op {} with rd {}", value.getVpnInstanceName(), value.getVrfId());
     }
 
     @Override
     @SuppressWarnings("checkstyle:IllegalCatch")
-    protected void update(InstanceIdentifier<VpnInstanceOpDataEntry> identifier,
+    public void update(InstanceIdentifier<VpnInstanceOpDataEntry> identifier,
                           VpnInstanceOpDataEntry original, VpnInstanceOpDataEntry update) {
         LOG.info("update: Processing update for vpn {} with rd {}", update.getVpnInstanceName(), update.getVrfId());
         if (update.getVpnState() == VpnInstanceOpDataEntry.VpnState.PendingDelete
@@ -108,34 +113,45 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
             final String vpnName = update.getVpnInstanceName();
             final List<String> rds = update.getRd();
             String primaryRd = update.getVrfId();
-            final long vpnId = vpnUtil.getVpnId(vpnName);
+            final Uint32 vpnId = vpnUtil.getVpnId(vpnName);
             jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
                 // Two transactions are used, one for operational, one for config; we only submit the config
                 // transaction if the operational transaction succeeds
                 ListenableFuture<Void> operationalFuture = txRunner.callWithNewWriteOnlyTransactionAndSubmit(
                                                                                 Datastore.OPERATIONAL, operTx -> {
                         // Clean up VPNExtraRoutes Operational DS
-                        if (VpnUtil.isBgpVpn(vpnName, primaryRd)) {
+                        if (rds != null && VpnUtil.isBgpVpn(vpnName, primaryRd)) {
                             if (update.getType() == VpnInstanceOpDataEntry.Type.L2) {
                                 rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(
                                         rd, false, AddressFamily.L2VPN));
                             }
-                            if (update.isIpv4Configured()) {
+                            if (update.getIpAddressFamilyConfigured()
+                                    == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv4) {
                                 rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(
                                         rd, false, AddressFamily.IPV4));
                             }
-                            if (update.isIpv6Configured()) {
+                            if (update.getIpAddressFamilyConfigured()
+                                    == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv6) {
                                 rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(
                                         rd, false, AddressFamily.IPV6));
                             }
+                            if (update.getIpAddressFamilyConfigured()
+                                    == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv4AndIpv6) {
+                                rds.parallelStream()
+                                        .forEach(rd -> bgpManager.deleteVrf(
+                                                rd, false, AddressFamily.IPV4));
+                                rds.parallelStream()
+                                        .forEach(rd -> bgpManager.deleteVrf(
+                                                rd, false, AddressFamily.IPV6));
+                            }
                         }
                         InstanceIdentifier<Vpn> vpnToExtraroute =
                                 VpnExtraRouteHelper.getVpnToExtrarouteVpnIdentifier(vpnName);
-                        Optional<Vpn> optVpnToExtraroute = Optional.absent();
+                        Optional<Vpn> optVpnToExtraroute = Optional.empty();
                         try {
                             optVpnToExtraroute = SingleTransactionDataBroker.syncReadOptional(dataBroker,
                                     LogicalDatastoreType.OPERATIONAL, vpnToExtraroute);
-                        } catch (ReadFailedException e) {
+                        } catch (InterruptedException | ExecutionException e) {
                             LOG.error("update: Failed to read VpnToExtraRoute for vpn {}", vpnName);
                         }
                         if (optVpnToExtraroute.isPresent()) {
@@ -145,11 +161,11 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
                             vpnUtil.removeExternalTunnelDemuxFlows(vpnName);
                         }
                         // Clean up PrefixToInterface Operational DS
-                        Optional<VpnIds> optPrefixToIntf = Optional.absent();
+                        Optional<VpnIds> optPrefixToIntf = Optional.empty();
                         try {
                             optPrefixToIntf = SingleTransactionDataBroker.syncReadOptional(dataBroker,
                                     LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnId));
-                        } catch (ReadFailedException e) {
+                        } catch (InterruptedException | ExecutionException e) {
                             LOG.error("update: Failed to read PrefixToInterface for vpn {}", vpnName);
                         }
                         if (optPrefixToIntf.isPresent()) {
@@ -158,11 +174,11 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
                         // Clean up L3NextHop Operational DS
                         InstanceIdentifier<VpnNexthops> vpnNextHops = InstanceIdentifier.builder(L3nexthop.class).child(
                                 VpnNexthops.class, new VpnNexthopsKey(vpnId)).build();
-                        Optional<VpnNexthops> optL3nexthopForVpnId = Optional.absent();
+                        Optional<VpnNexthops> optL3nexthopForVpnId = Optional.empty();
                         try {
                             optL3nexthopForVpnId = SingleTransactionDataBroker.syncReadOptional(dataBroker,
                                     LogicalDatastoreType.OPERATIONAL, vpnNextHops);
-                        } catch (ReadFailedException e) {
+                        } catch (InterruptedException | ExecutionException e) {
                             LOG.error("update: Failed to read VpnNextHops for vpn {}", vpnName);
                         }
                         if (optL3nexthopForVpnId.isPresent()) {
@@ -184,8 +200,13 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
                                 LOG.trace("Removed vpnIdentifier for  rd{} vpnname {}", primaryRd, vpnName);
 
                                 // Clean up FIB Entries Config DS
-                                synchronized (vpnName.intern()) {
+                                // FIXME: separate out to somehow?
+                                final ReentrantLock lock = JvmGlobalLocks.getLockForString(vpnName);
+                                lock.lock();
+                                try {
                                     fibManager.removeVrfTable(primaryRd, confTx);
+                                } finally {
+                                    lock.unlock();
                                 }
                             }), new VpnOpStatusListener.PostDeleteVpnInstanceWorker(vpnName),
                                 MoreExecutors.directExecutor());
@@ -241,53 +262,63 @@ public class VpnOpStatusListener extends AsyncDataTreeChangeListenerBase<VpnInst
             }
             jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
                 //RD update case get only updated RD list
-                List<String> rds = update.getRd();
-                if (original.getRd().size() != update.getRd().size()) {
-                    List<String> oldRds = original.getRd();
-                    rds.removeAll(oldRds);
+                List<String> rds = update.getRd() != null ? new ArrayList<>(update.getRd()) : new ArrayList<>();
+                if (original.getRd() != null && original.getRd().size() != rds.size()) {
+                    rds.removeAll(original.getRd());
                 }
                 rds.parallelStream().forEach(rd -> {
                     try {
-                        List<String> importRTList = rd.equals(primaryRd) ? irtList : Collections.emptyList();
+                        List<String> importRTList = rd.equals(primaryRd) ? irtList : emptyList();
                         LOG.info("VpnOpStatusListener.update: updating BGPVPN for vpn {} with RD {}"
-                                + " Type is {}, IPv4 is {}, IPv6 is {}, iRT {}", vpnName, primaryRd, update.getType(),
-                                update.isIpv4Configured(), update.isIpv6Configured(), importRTList);
-                        if (update.getType() == VpnInstanceOpDataEntry.Type.L2) {
-                            bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.L2VPN);
-                        }
-                        if (!original.isIpv4Configured() && update.isIpv4Configured()) {
-                            bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
-                        } else if (original.isIpv4Configured() && !update.isIpv4Configured()) {
-                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
-                        }
-                        if (!original.isIpv6Configured() && update.isIpv6Configured()) {
-                            bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
-                        } else if (original.isIpv6Configured() && !update.isIpv6Configured()) {
-                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
+                                + " Type is {}, IPtype is {}, iRT {}", vpnName, primaryRd, update.getType(),
+                                update.getIpAddressFamilyConfigured(), importRTList);
+                        int ipValue = VpnUtil.getIpFamilyValueToRemove(original,update);
+                        switch (ipValue) {
+                            case 4:
+                                bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
+                                break;
+                            case 6:
+                                bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
+                                break;
+                            case 10:
+                                bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
+                                bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
+                                break;
+                            default:
+                                break;
                         }
                         /* Update vrf entry with newly added RD list. VPN does not support for
                          * deleting existing RDs
                          */
                         if (original.getRd().size() != update.getRd().size()) {
-                            if (update.isIpv4Configured()) {
-                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
-                            }
-                            if (update.isIpv6Configured()) {
-                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
+                            ipValue = VpnUtil.getIpFamilyValueToAdd(original,update);
+                            switch (ipValue) {
+                                case 4:
+                                    bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
+                                    break;
+                                case 6:
+                                    bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
+                                    break;
+                                case 10:
+                                    bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
+                                    bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
+                                    break;
+                                default:
+                                    break;
                             }
                         }
-                    } catch (Exception e) {
-                        LOG.error("VpnOpStatusListener.update: Exception when updating VRF to BGP"
-                               + " for vpn {} rd {}", vpnName, rd);
+                    } catch (RuntimeException e) {
+                        LOG.error("VpnOpStatusListener.update: Exception when updating VRF to BGP for vpn {} rd {}",
+                            vpnName, rd, e);
                     }
                 });
-                return Collections.emptyList();
+                return emptyList();
             });
         }
     }
 
     @Override
-    protected void add(final InstanceIdentifier<VpnInstanceOpDataEntry> identifier,
+    public void add(final InstanceIdentifier<VpnInstanceOpDataEntry> identifier,
                        final VpnInstanceOpDataEntry value) {
         LOG.debug("add: Ignoring vpn Op {} with rd {}", value.getVpnInstanceName(), value.getVrfId());
     }