[ONOS-5750] Add skeleton code of LISP mapping provider

This commit also enables LISP mapping and messsage providers.

Change-Id: I06ff330ba6144bff472c2ede49d9e477aa38880b
diff --git a/providers/lisp/mapping/src/main/java/org/onosproject/provider/lisp/mapping/impl/LispMappingProvider.java b/providers/lisp/mapping/src/main/java/org/onosproject/provider/lisp/mapping/impl/LispMappingProvider.java
new file mode 100644
index 0000000..7c6d016
--- /dev/null
+++ b/providers/lisp/mapping/src/main/java/org/onosproject/provider/lisp/mapping/impl/LispMappingProvider.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.provider.lisp.mapping.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.onosproject.lisp.ctl.LispController;
+import org.onosproject.lisp.ctl.LispMessageListener;
+import org.onosproject.lisp.ctl.LispRouterId;
+import org.onosproject.lisp.ctl.LispRouterListener;
+import org.onosproject.lisp.msg.protocols.LispMessage;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provider which uses a LISP controller to manage EID-RLOC mapping.
+ */
+@Component(immediate = true)
+public class LispMappingProvider extends AbstractProvider {
+
+    private static final Logger log = LoggerFactory.getLogger(LispMappingProvider.class);
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected LispController controller;
+
+    private static final String SCHEME_NAME = "lisp";
+    private static final String MAPPING_PROVIDER_PACKAGE =
+                                "org.onosproject.lisp.provider.mapping";
+
+    private final InternalMappingProvider listener = new InternalMappingProvider();
+
+    /**
+     * Creates a LISP mapping provider with the supplier identifier.
+     */
+    public LispMappingProvider() {
+        super(new ProviderId(SCHEME_NAME, MAPPING_PROVIDER_PACKAGE));
+    }
+
+    @Activate
+    public void activate() {
+
+        // listens all LISP router related events
+        controller.addRouterListener(listener);
+
+        // listens all LISP control message
+        controller.addMessageListener(listener);
+
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void deactivate() {
+
+        // stops listening all LISP router related events
+        controller.removeRouterListener(listener);
+
+        // stops listening all LISP control messages
+        controller.removeMessageListener(listener);
+
+        log.info("Stopped");
+    }
+
+    /**
+     * A listener for LISP router events and control messages.
+     */
+    private class InternalMappingProvider implements LispRouterListener,
+                                                     LispMessageListener {
+
+        @Override
+        public void routerAdded(LispRouterId routerId) {
+
+        }
+
+        @Override
+        public void routerRemoved(LispRouterId routerId) {
+
+        }
+
+        @Override
+        public void routerChanged(LispRouterId routerId) {
+
+        }
+
+        @Override
+        public void handleIncomingMessage(LispRouterId routerId, LispMessage msg) {
+
+        }
+
+        @Override
+        public void handleOutgoingMessage(LispRouterId routerId, LispMessage msg) {
+
+        }
+    }
+}