HwVTEP support for interfacemanager

[vpnservice.git] / interfacemgr / interfacemgr-impl / src / main / java / org / opendaylight / vpnservice / interfacemgr / renderer / hwvtep / statehelpers / HwVTEPInterfaceStateUpdateHelper.java

diff --git a/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/hwvtep/statehelpers/HwVTEPInterfaceStateUpdateHelper.java b/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/hwvtep/statehelpers/HwVTEPInterfaceStateUpdateHelper.java
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+++ b/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/hwvtep/statehelpers/HwVTEPInterfaceStateUpdateHelper.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016 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.renderer.hwvtep.statehelpers;
+
+import com.google.common.util.concurrent.ListenableFuture;
+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.interfacemgr.commons.InterfaceManagerCommonUtils;
+import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
+import org.opendaylight.vpnservice.interfacemgr.renderer.hwvtep.utilities.SouthboundUtils;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdParams;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdStatus;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HwVTEPInterfaceStateUpdateHelper {
+    private static final Logger LOG = LoggerFactory.getLogger(HwVTEPInterfaceStateUpdateHelper.class);
+
+    public static List<ListenableFuture<Void>> updatePhysicalSwitch(DataBroker dataBroker, InstanceIdentifier<Tunnels> tunnelsInstanceIdentifier,
+                                                                    Tunnels tunnelsNew, Tunnels tunnelsOld) {
+        List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
+        LOG.debug("updating physical switch for tunnels");
+        String interfaceName =
+                InterfaceMetaUtils.getInterfaceForTunnelInstanceIdentifier(tunnelsInstanceIdentifier.toString(), dataBroker);
+        if (interfaceName == null) {
+            return futures;
+        }
+
+        // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
+        WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
+        InterfaceManagerCommonUtils.updateOpState(transaction, interfaceName, getTunnelOpState(tunnelsNew.getBfdStatus()));
+        futures.add(transaction.submit());
+        return futures;
+    }
+
+    private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
+                getTunnelOpState(List<BfdStatus> tunnelBfdStatus) {
+        org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
+                livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
+        if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
+            for (BfdStatus bfdState : tunnelBfdStatus) {
+                if (bfdState.getBfdStatusKey().equalsIgnoreCase(SouthboundUtils.BFD_OP_STATE)) {
+                    String bfdOpState = bfdState.getBfdStatusValue();
+                    if (bfdOpState.equalsIgnoreCase(SouthboundUtils.BFD_STATE_UP)) {
+                        livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
+                    } else {
+                        livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
+                    }
+                    break;
+                }
+            }
+        }
+        return livenessState;
+    }
+
+
+    public static List<ListenableFuture<Void>> startBfdMonitoring(DataBroker dataBroker,
+                                                                  InstanceIdentifier<Tunnels> tunnelsInstanceIdentifier,
+                                                                  Tunnels tunnelsNew) {
+        List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
+        /*String interfaceName =
+                InterfaceMetaUtils.getInterfaceForTunnelInstanceIdentifier(tunnelsInstanceIdentifier.toString(), dataBroker);
+        if (interfaceName == null) {
+            LOG.debug("no interface configured for the tunnel {}", tunnelsInstanceIdentifier);
+            return futures;
+        }*/
+
+        LOG.debug("starting bfd monitoring for the hwvtep {}", tunnelsInstanceIdentifier);
+        WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
+        TunnelsBuilder tBuilder = new TunnelsBuilder();
+        tBuilder.setKey(new TunnelsKey(tunnelsNew.getLocalLocatorRef(), tunnelsNew.getRemoteLocatorRef()));
+        tBuilder.setLocalLocatorRef(tunnelsNew.getLocalLocatorRef());
+        tBuilder.setRemoteLocatorRef(tunnelsNew.getLocalLocatorRef());
+        List <BfdParams> bfdParams = new ArrayList<>();
+        SouthboundUtils.fillBfdParameters(bfdParams, null);
+        tBuilder.setBfdParams(bfdParams);
+        transaction.put(LogicalDatastoreType.CONFIGURATION, tunnelsInstanceIdentifier,tBuilder.build(), true);
+        futures.add(transaction.submit());
+        return futures;
+    }
+}