SONA: openstackSwitching

 - Added event handlers  (DEVICE_XX, PORT_XXX) and tested with mininet
 - Added default flow rule setup for ARP and DHCP
 - Added neutron network API handler
 - Added the feature to populate flow rules for the same subnet
 - Added the feature to populate flow rules for VMs in other Cnode using Nicira ext.
 - Modified the directory structure
 - Fixed nicira ext handling logic
 - Fixed neutron network API handler
 - Added the tenant isolation feature by checking the source IP address

Change-Id: I076d21f3c90f458727e33cb36b47d9b14ccfd68f
diff --git a/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/web/OpenstackPortWebResource.java b/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/web/OpenstackPortWebResource.java
new file mode 100644
index 0000000..67a9ceb
--- /dev/null
+++ b/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/web/OpenstackPortWebResource.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2015 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.openstackswitching.web;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.openstackswitching.OpenstackPort;
+import org.onosproject.openstackswitching.OpenstackSwitchingService;
+import org.onosproject.rest.AbstractWebResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.InputStream;
+
+@Path("ports")
+public class OpenstackPortWebResource extends AbstractWebResource {
+
+    protected static final Logger log = LoggerFactory
+            .getLogger(OpenstackPortWebResource.class);
+
+    private static final OpenstackPortCodec PORT_CODEC = new OpenstackPortCodec();
+
+    @POST
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response createPorts(InputStream input) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            ObjectNode portNode = (ObjectNode) mapper.readTree(input);
+
+            OpenstackPort openstackPort = PORT_CODEC.decode(portNode, this);
+
+            OpenstackSwitchingService switchingService = get(OpenstackSwitchingService.class);
+            switchingService.createPorts(openstackPort);
+            log.info("REST API ports is called with {}", portNode.toString());
+            return Response.status(Response.Status.OK).build();
+        } catch (Exception e) {
+            log.error("Creates VirtualPort failed because of exception {}",
+                    e.toString());
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e.toString())
+                    .build();
+        }
+    }
+
+    @DELETE
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response deletesPorts(InputStream input) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            ObjectNode portNode = (ObjectNode) mapper.readTree(input);
+
+            OpenstackSwitchingService switchingService = get(OpenstackSwitchingService.class);
+            switchingService.deletePorts();
+            log.info("REST API ports is called with {}", portNode.toString());
+            return Response.status(Response.Status.OK).build();
+        } catch (Exception e) {
+            log.error("Delete VirtualPort failed because of exception {}",
+                    e.toString());
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e.toString())
+                    .build();
+        }
+    }
+
+    @PUT
+    @Path("{id}")
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response updatePorts(InputStream input) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            ObjectNode portNode = (ObjectNode) mapper.readTree(input);
+
+            OpenstackSwitchingService switchingService = get(OpenstackSwitchingService.class);
+            switchingService.updatePorts();
+            log.info("REST API ports is called with {}", portNode.toString());
+            return Response.status(Response.Status.OK).build();
+        } catch (Exception e) {
+            log.error("Update VirtualPort failed because of exception {}",
+                    e.toString());
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(e.toString())
+                    .build();
+        }
+    }
+}