updating ports

 package org.onlab.onos.provider.of.device.impl;
 
+import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -7,11 +15,14 @@ import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onlab.onos.net.Device;
 import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.device.DefaultDeviceDescription;
+import org.onlab.onos.net.device.DefaultPortDescription;
 import org.onlab.onos.net.device.DeviceDescription;
 import org.onlab.onos.net.device.DeviceProvider;
 import org.onlab.onos.net.device.DeviceProviderRegistry;
 import org.onlab.onos.net.device.DeviceProviderService;
+import org.onlab.onos.net.device.PortDescription;
 import org.onlab.onos.net.provider.AbstractProvider;
 import org.onlab.onos.net.provider.ProviderId;
 import org.onlab.onos.of.controller.Dpid;
@@ -19,14 +30,9 @@ import org.onlab.onos.of.controller.OpenFlowController;
 import org.onlab.onos.of.controller.OpenFlowSwitch;
 import org.onlab.onos.of.controller.OpenFlowSwitchListener;
 import org.onlab.onos.of.controller.RoleState;
+import org.projectfloodlight.openflow.protocol.OFPortDesc;
 import org.slf4j.Logger;
 
-import java.net.URI;
-import java.net.URISyntaxException;
-
-import static org.onlab.onos.net.DeviceId.deviceId;
-import static org.slf4j.LoggerFactory.getLogger;
-
 /**
  * Provider which uses an OpenFlow controller to detect network
  * infrastructure devices.
@@ -107,6 +113,18 @@ public class OpenFlowDeviceProvider extends AbstractProvider implements DevicePr
                             sw.softwareDescription(),
                             sw.softwareDescription());
             providerService.deviceConnected(deviceId(uri), description);
+            providerService.updatePorts(deviceId(uri), buildPortDescriptions(sw.getPorts()));
+        }
+
+        private List<PortDescription> buildPortDescriptions(
+                List<OFPortDesc> ports) {
+            List<PortDescription> portDescs = new ArrayList<PortDescription>();
+            for (OFPortDesc port : ports) {
+                PortNumber portNo = PortNumber.portNumber(port.getPortNo().getPortNumber());
+
+                portDescs.add(new DefaultPortDescription(portNo,
+                        port.getState()));
+            }
         }
 
         @Override