[ONOS-7149] Re-query DeviceDescription when Netconf device connects again

Change-Id: I4f22dc3e8a8a2eb0202925afb2ad7e4151ee6e46
diff --git a/drivers/netconf/src/main/java/org/onosproject/drivers/netconf/OvsNetconfDeviceDescriptionDiscovery.java b/drivers/netconf/src/main/java/org/onosproject/drivers/netconf/OvsNetconfDeviceDescriptionDiscovery.java
new file mode 100644
index 0000000..26a92ac
--- /dev/null
+++ b/drivers/netconf/src/main/java/org/onosproject/drivers/netconf/OvsNetconfDeviceDescriptionDiscovery.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.drivers.netconf;
+
+import com.google.common.collect.ImmutableList;
+import org.onlab.packet.ChassisId;
+import org.onosproject.net.Device;
+import org.onosproject.net.device.DefaultDeviceDescription;
+import org.onosproject.net.device.DeviceDescription;
+import org.onosproject.net.device.DeviceDescriptionDiscovery;
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.slf4j.Logger;
+
+import java.util.List;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Discovers the device detail of the ovs based simulator used in NETCONF SB testing and development.
+ */
+public class OvsNetconfDeviceDescriptionDiscovery
+        extends AbstractHandlerBehaviour implements DeviceDescriptionDiscovery {
+
+    private final Logger log = getLogger(getClass());
+
+    @Override
+    public DeviceDescription discoverDeviceDetails() {
+        log.debug("Discovering device details {}", handler().data().deviceId());
+        return new DefaultDeviceDescription(handler().data().deviceId().uri(),
+                Device.Type.VIRTUAL,
+                "Of-Config",
+                "VirtualBox",
+                "1.0",
+                "1",
+                new ChassisId());
+    }
+
+    @Override
+    public List<PortDescription> discoverPortDetails() {
+        log.debug("Discovering device ports {}", handler().data().deviceId());
+        return ImmutableList.of();
+    }
+}
diff --git a/drivers/netconf/src/main/resources/netconf-drivers.xml b/drivers/netconf/src/main/resources/netconf-drivers.xml
index 9ebe13f..8750507 100644
--- a/drivers/netconf/src/main/resources/netconf-drivers.xml
+++ b/drivers/netconf/src/main/resources/netconf-drivers.xml
@@ -16,19 +16,17 @@
   -->
 <drivers>
     <!--This driver is for simulated NETCONF devices through of-config tool on top og OVSDB-->
-    <driver name="ovs-netconf" manufacturer="" hwVersion="" swVersion="">
-        <behaviour api="org.onosproject.net.behaviour.ControllerConfig"
-                   impl="org.onosproject.drivers.netconf.NetconfControllerConfig"/>
-        <behaviour api="org.onosproject.net.behaviour.ConfigGetter"
-                   impl="org.onosproject.drivers.netconf.NetconfConfigGetter"/>
-        <behaviour api="org.onosproject.net.behaviour.ConfigSetter"
-                   impl="org.onosproject.drivers.netconf.NetconfConfigSetter"/>
-    </driver>
     <driver name="netconf" manufacturer="" hwVersion="" swVersion="">
         <behaviour api="org.onosproject.net.behaviour.ConfigGetter"
                    impl="org.onosproject.drivers.netconf.NetconfConfigGetter"/>
         <behaviour api="org.onosproject.net.behaviour.ConfigSetter"
                    impl="org.onosproject.drivers.netconf.NetconfConfigSetter"/>
     </driver>
+    <driver name="ovs-netconf" manufacturer="" hwVersion="" swVersion="" extends="netconf">
+        <behaviour api="org.onosproject.net.behaviour.ControllerConfig"
+                   impl="org.onosproject.drivers.netconf.NetconfControllerConfig"/>
+        <behaviour api="org.onosproject.net.device.DeviceDescriptionDiscovery"
+                   impl="org.onosproject.drivers.netconf.OvsNetconfDeviceDescriptionDiscovery"/>
+    </driver>
 </drivers>