1 files changed, 68 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/initializers/LispInitializer.java b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/initializers/LispInitializer.java
new file mode 100755
index 000000000..105ee0aec
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/honeycomb/lisp/translate/initializers/LispInitializer.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.lisp.translate.initializers;
+
+
+import static io.fd.honeycomb.lisp.cfgattrs.LispConfiguration.HONEYCOMB_INITIALIZER;
+
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.Lisp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.LispBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.lisp.rev160520.LispState;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Initializes vpp node in config data tree based on operational state
+ */
+public class LispInitializer extends AbstractDataTreeConverter<LispState, Lisp> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(LispInitializer.class);
+
+    @Inject
+    public LispInitializer(@Named(HONEYCOMB_INITIALIZER) final DataBroker bindingDataBroker) {
+        super(bindingDataBroker, InstanceIdentifier.create(LispState.class), InstanceIdentifier.create(Lisp.class));
+    }
+
+    @Override
+    protected Lisp convert(final LispState operationalData) {
+        LOG.debug("LispInitializer started");
+        final LispBuilder lispBuilder = new LispBuilder();
+
+        // set everything from LispState to LispBuilder
+        // this is necessary in cases, when HC connects to a running VPP with some LISP configuration. HC needs to
+        // reconstruct configuration based on what's present in VPP in order to support subsequent configuration changes
+        // without any issues
+
+        // the other reason this should work is HC persistence, so that HC after restart only performs diff (only push
+        // configuration that is not currently in VPP, but is persisted. If they are equal skip any VPP calls)
+        // updates to VPP. If this is not fully implemented (depending on VPP implementation, restoration of persisted
+        // configuration can fail)
+
+        return lispBuilder.setEnable(operationalData.isEnable())
+                .setEidTable(operationalData.getEidTable())
+                .setLocatorSets(operationalData.getLocatorSets())
+                .setMapResolvers(operationalData.getMapResolvers())
+                .setPitrCfg(operationalData.getPitrCfg())
+                .build();
+    }
+
+}