updating ports
diff --git a/providers/of/device/src/main/java/org/onlab/onos/provider/of/device/impl/OpenFlowDeviceProvider.java b/providers/of/device/src/main/java/org/onlab/onos/provider/of/device/impl/OpenFlowDeviceProvider.java
index 81d05f6..4549e1d 100644
--- a/providers/of/device/src/main/java/org/onlab/onos/provider/of/device/impl/OpenFlowDeviceProvider.java
+++ b/providers/of/device/src/main/java/org/onlab/onos/provider/of/device/impl/OpenFlowDeviceProvider.java
@@ -1,5 +1,13 @@
 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.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.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.
@@ -73,19 +79,19 @@
     @Override
     public void roleChanged(Device device, MastershipRole newRole) {
         switch (newRole) {
-            case MASTER:
-                controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
-                                   RoleState.MASTER);
-                break;
-            case STANDBY:
-                controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
-                                   RoleState.EQUAL);
-            case NONE:
-                controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
-                                   RoleState.SLAVE);
-                break;
-            default:
-                log.error("Unknown Mastership state : {}", newRole);
+        case MASTER:
+            controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
+                    RoleState.MASTER);
+            break;
+        case STANDBY:
+            controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
+                    RoleState.EQUAL);
+        case NONE:
+            controller.setRole(new Dpid(device.id().uri().getSchemeSpecificPart()),
+                    RoleState.SLAVE);
+            break;
+        default:
+            log.error("Unknown Mastership state : {}", newRole);
 
         }
         log.info("Accepting mastership role change for device {}", device.id());
@@ -102,11 +108,23 @@
 
             DeviceDescription description =
                     new DefaultDeviceDescription(buildURI(dpid), Device.Type.SWITCH,
-                                                 sw.manfacturerDescription(),
-                                                 sw.hardwareDescription(),
-                                                 sw.softwareDescription(),
-                                                 sw.softwareDescription());
+                            sw.manfacturerDescription(),
+                            sw.hardwareDescription(),
+                            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