X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=itm%2Fitm-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fvpnservice%2Fitm%2Fconfighelpers%2FItmInternalTunnelDeleteWorker.java;fp=itm%2Fitm-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fvpnservice%2Fitm%2Fconfighelpers%2FItmInternalTunnelDeleteWorker.java;h=8922fd93a2d9d35af5655b2a3a110c5faea001e2;hb=50bb8cd056ca25114a412398c4df672eac891b28;hp=0000000000000000000000000000000000000000;hpb=c27f9ad4bdc259ff9709d433d3a1e8fc24fc215f;p=vpnservice.git

diff --git a/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmInternalTunnelDeleteWorker.java b/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmInternalTunnelDeleteWorker.java
new file mode 100644
index 00000000..8922fd93
--- /dev/null
+++ b/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/confighelpers/ItmInternalTunnelDeleteWorker.java
@@ -0,0 +1,130 @@
+/*
+ * 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.itm.confighelpers;
+
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.vpnservice.itm.impl.ItmUtils;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.Tunnels;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.tunnels.DPNTEPsInfo;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.tunnels.dpn.teps.info.TunnelEndPoints;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.ListenableFuture;
+
+public class ItmInternalTunnelDeleteWorker {
+   private static final Logger logger = LoggerFactory.getLogger(ItmInternalTunnelDeleteWorker.class) ;
+
+    public static List<ListenableFuture<Void>> deleteTunnels(DataBroker dataBroker, List<DPNTEPsInfo> dpnTepsList, List<DPNTEPsInfo> meshedDpnList)
+    {
+        List<ListenableFuture<Void>> futures = new ArrayList<>();
+        WriteTransaction t = dataBroker.newWriteOnlyTransaction();
+        try {
+            if (dpnTepsList == null || dpnTepsList.size() == 0) {
+                logger.debug("no vtep to delete");
+                return null ;
+            }
+
+            if (meshedDpnList == null || meshedDpnList.size() == 0) {
+                logger.debug("No Meshed Vteps");
+                return null ;
+            }
+            for (DPNTEPsInfo srcDpn : dpnTepsList) {
+                logger.trace("Processing srcDpn " + srcDpn);
+                for (TunnelEndPoints srcTep : srcDpn.getTunnelEndPoints()) {
+                    logger.trace("Processing srcTep " + srcTep);
+                    String srcTZone = srcTep.getTransportZone();
+
+                    // run through all other DPNS other than srcDpn
+                    for (DPNTEPsInfo dstDpn : meshedDpnList) {
+                        if (!(srcDpn.getDPNID().equals(dstDpn.getDPNID()))) {
+                            for (TunnelEndPoints dstTep : dstDpn.getTunnelEndPoints()) {
+                                logger.trace("Processing dstTep " + dstTep);
+                                if (dstTep.getTransportZone().equals(srcTZone)) {
+                                    // remove all trunk interfaces
+                                    logger.trace("Invoking removeTrunkInterface between source TEP {} , Destination TEP {} " ,srcTep , dstTep);
+                                    removeTrunkInterface(dataBroker, srcTep, dstTep, srcDpn.getDPNID(), dstDpn.getDPNID(), t, futures);
+                                }
+                            }
+                        }
+                    }
+
+                    // removing vtep / dpn from Tunnels OpDs.
+                    InstanceIdentifier<TunnelEndPoints> tepPath =
+                                    InstanceIdentifier.builder(Tunnels.class).child(DPNTEPsInfo.class, srcDpn.getKey())
+                                                    .child(TunnelEndPoints.class, srcTep.getKey()).build();
+
+                    logger.trace("Tep Removal from DPNTEPSINFO CONFIG DS " + srcTep);
+                    t.delete(LogicalDatastoreType.CONFIGURATION, tepPath);
+                    InstanceIdentifier<DPNTEPsInfo> dpnPath =
+                                    InstanceIdentifier.builder(Tunnels.class).child(DPNTEPsInfo.class, srcDpn.getKey())
+                                                    .build();
+                    Optional<DPNTEPsInfo> dpnOptional =
+                                    ItmUtils.read(LogicalDatastoreType.CONFIGURATION, dpnPath, dataBroker);
+                    if (dpnOptional.isPresent()) {
+                        DPNTEPsInfo dpnRead = dpnOptional.get();
+                        // remove dpn if no vteps exist on dpn
+                        if (dpnRead.getTunnelEndPoints() == null || dpnRead.getTunnelEndPoints().size() == 0) {
+                            logger.debug( "Removing Terminating Service Table Flow ") ;
+                           // setUpOrRemoveTerminatingServiceTable(dpnRead.getDPNID(), false);
+                            logger.trace("DPN Removal from DPNTEPSINFO CONFIG DS " + dpnRead);
+                            t.delete(LogicalDatastoreType.CONFIGURATION, dpnPath);
+                            InstanceIdentifier<Tunnels> tnlContainerPath =
+                                            InstanceIdentifier.builder(Tunnels.class).build();
+                            Optional<Tunnels> containerOptional =
+                                            ItmUtils.read(LogicalDatastoreType.CONFIGURATION,
+                                                            tnlContainerPath, dataBroker);
+                            // remove container if no DPNs are present
+                            if (containerOptional.isPresent()) {
+                                Tunnels tnls = containerOptional.get();
+                                if (tnls.getDPNTEPsInfo() == null || tnls.getDPNTEPsInfo().isEmpty()) {
+                                    logger.trace("Container Removal from DPNTEPSINFO CONFIG DS");
+                                    t.delete(LogicalDatastoreType.CONFIGURATION, tnlContainerPath);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            futures.add( t.submit() );
+        } catch (Exception e1) {
+            logger.error("exception while deleting tep", e1);
+        }
+        return futures ;
+    }
+
+    private static void removeTrunkInterface(DataBroker dataBroker, TunnelEndPoints srcTep, TunnelEndPoints dstTep, BigInteger srcDpnId, BigInteger dstDpnId,
+        WriteTransaction t, List<ListenableFuture<Void>> futures) {
+        String trunkfwdIfName =
+                        ItmUtils.getTrunkInterfaceName(srcTep.getInterfaceName(), srcTep.getIpAddress()
+                                        .getIpv4Address().getValue(), dstTep.getIpAddress().getIpv4Address()
+                                        .getValue());
+        logger.trace("Removing forward Trunk Interface " + trunkfwdIfName);
+        InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkfwdIfName);
+        logger.debug(  " Removing Trunk Interface Name - {} , Id - {} from Config DS {}, {} ", trunkfwdIfName, trunkIdentifier ) ;
+        t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
+        String trunkRevIfName =
+                        ItmUtils.getTrunkInterfaceName(dstTep.getInterfaceName(), dstTep.getIpAddress()
+                                        .getIpv4Address().getValue(), srcTep.getIpAddress().getIpv4Address()
+                                        .getValue());
+        logger.trace("Removing Reverse Trunk Interface " + trunkRevIfName);
+        trunkIdentifier = ItmUtils.buildId(trunkfwdIfName);
+        logger.debug(  " Removing Trunk Interface Name - {} , Id - {} from Config DS {}, {} ", trunkfwdIfName, trunkIdentifier ) ;
+        t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier);
+    }
+}