Bulk merge of l2gw changes

[netvirt.git] / elanmanager / impl / src / main / java / org / opendaylight / netvirt / elan / l2gw / listeners / ElanMacEntryListener.java

diff --git a/elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/listeners/ElanMacEntryListener.java b/elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/listeners/ElanMacEntryListener.java
new file mode 100644 (file)
index 0000000..e9dde08
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+++ b/elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/listeners/ElanMacEntryListener.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2020 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.netvirt.elan.l2gw.listeners;
+
+import com.google.common.collect.Lists;
+import java.util.Collections;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.opendaylight.genius.utils.batching.ResourceBatchingManager;
+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.elan.cache.ElanInstanceCache;
+import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
+import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
+import org.opendaylight.netvirt.elan.utils.ElanUtils;
+import org.opendaylight.serviceutils.tools.listener.AbstractClusteredAsyncDataTreeChangeListener;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanForwardingTables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.forwarding.tables.MacTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.Uint64;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Singleton
+public class ElanMacEntryListener extends AbstractClusteredAsyncDataTreeChangeListener<MacEntry> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ElanMacEntryListener.class);
+
+    private final DataBroker dataBroker;
+    private ElanL2GatewayUtils elanL2GatewayUtils;
+    private final ElanClusterUtils elanClusterUtils;
+    private final ElanInstanceCache elanInstanceCache;
+
+    @Inject
+    public ElanMacEntryListener(final DataBroker dataBroker,
+                                ElanClusterUtils elanClusterUtils,
+                                ElanInstanceCache elanInstanceCache,
+                                ElanL2GatewayUtils elanL2GatewayUtils) {
+        super(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(ElanForwardingTables.class)
+                .child(MacTable.class).child(MacEntry.class),
+            Executors.newListeningSingleThreadExecutor("L2GatewayConnectionListener", LOG));
+        this.dataBroker = dataBroker;
+        this.elanClusterUtils = elanClusterUtils;
+        this.elanInstanceCache = elanInstanceCache;
+        this.elanL2GatewayUtils = elanL2GatewayUtils;
+        init();
+    }
+
+    public void init() {
+        LOG.info("ElanMacEntryListener L2Gw init()");
+        ResourceBatchingManager.getInstance().registerDefaultBatchHandlers(this.dataBroker);
+    }
+
+    @Override
+    public void remove(final InstanceIdentifier<MacEntry> identifier, final MacEntry del) {
+        LOG.trace("ElanMacEntryListener remove : {}", del);
+        elanClusterUtils.runOnlyInOwnerNode(del.getMacAddress().getValue(),
+            "Deleting dpn macs from remote ucast mac tables", () -> {
+                String elanName = identifier.firstKeyOf(MacTable.class).getElanInstanceName();
+                ElanInstance elanInstance = elanInstanceCache.get(elanName).orElse(null);
+                elanL2GatewayUtils.removeMacsFromElanExternalDevices(elanInstance,
+                        Lists.newArrayList(del.getMacAddress()));
+                return Collections.EMPTY_LIST;
+            });
+    }
+
+    @Override
+    public void update(InstanceIdentifier<MacEntry> identifier, MacEntry original, MacEntry update) {
+    }
+
+    //Using mac entry clustered listener instead of elan interface listener to avoid race conditions
+    //always use clustered listener to programme l2gw device
+    @Override
+    public void add(InstanceIdentifier<MacEntry> identifier, MacEntry add) {
+        LOG.trace("ElanMacEntryListener add : {}", add);
+        elanClusterUtils.runOnlyInOwnerNode("Adding dpn macs to remote ucast mac tables", () -> {
+            String elanName = identifier.firstKeyOf(MacTable.class).getElanInstanceName();
+            ElanInstance elanInstance = elanInstanceCache.get(elanName).orElse(null);
+            if (ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstance)) {
+                Uint64 dpId = elanL2GatewayUtils.getDpidFromInterface(add.getInterface());
+                elanL2GatewayUtils.scheduleAddDpnMacInExtDevices(elanName, dpId,
+                        Lists.newArrayList(add.getMacAddress()));
+            }
+        });
+    }
+}
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