- Detect UPnP start failure

- Sort local addresses
- Store last IP for future laptop mode
- Subscribe to device service, doesn't seem to do anything though,
  need to test it more

router/java/src/net/i2p/router/transport/Addresses.java

@@ -9,6 +9,7 @@ import java.net.Inet4Address;
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.net.UnknownHostException;
+import java.util.Arrays;
 import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.Set;
@@ -54,7 +55,9 @@ public class Addresses {
             }
         } catch (SocketException e) {}
 
-        return rv.toArray(new String[rv.size()]);
+        String[] rva = rv.toArray(new String[rv.size()]);
+        Arrays.sort(rva);
+        return rva;
     }
 
     private static void add(Set<String> set, InetAddress ia) {

router/java/src/net/i2p/router/transport/UPnP.java

@@ -25,6 +25,7 @@ import org.cybergarage.upnp.ServiceList;
 import org.cybergarage.upnp.ServiceStateTable;
 import org.cybergarage.upnp.StateVariable;
 import org.cybergarage.upnp.device.DeviceChangeListener;
+import org.cybergarage.upnp.event.EventListener;
 import org.freenetproject.DetectedIP;
 import org.freenetproject.ForwardPort;
 import org.freenetproject.ForwardPortCallback;
@@ -53,7 +54,7 @@ import org.freenetproject.ForwardPortStatus;
  * TODO: Advertise the node like the MDNS plugin does
  * TODO: Implement EventListener and react on ip-change
  */ 
-public class UPnP extends ControlPoint implements DeviceChangeListener {
+public class UPnP extends ControlPoint implements DeviceChangeListener, EventListener {
 	private Log _log;
 	private I2PAppContext _context;
 	
@@ -86,8 +87,8 @@ public class UPnP extends ControlPoint implements DeviceChangeListener {
 		addDeviceChangeListener(this);
 	}
 	
-	public void runPlugin() {
-		super.start();
+	public boolean runPlugin() {
+		return super.start();
 	}
 
 	public void terminate() {
@@ -160,7 +161,7 @@ public class UPnP extends ControlPoint implements DeviceChangeListener {
 			return;
 		}
 		
-		_log.warn("UP&P IGD found : " + dev.getFriendlyName() + " UDN: " + dev.getUDN());
+		_log.warn("UP&P IGD found : " + dev.getFriendlyName() + " UDN: " + dev.getUDN() + " lease time: " + dev.getLeaseTime());
 		synchronized(lock) {
 			_router = dev;
 		}
@@ -177,6 +178,7 @@ public class UPnP extends ControlPoint implements DeviceChangeListener {
 				_router = null;
 				return;
 			}
+			subscribe(_service);
 		}
 		registerPortMappings();
 	}
@@ -261,6 +263,11 @@ public class UPnP extends ControlPoint implements DeviceChangeListener {
 		}
 	}
 	
+	/** event callback */
+	public void eventNotifyReceived(String uuid, long seq, String varName, String value) {
+		_log.error("Event: " + uuid + ' ' + seq + ' ' + varName + '=' + value);
+	}
+
 	/** compare two strings, either of which could be null */
 	private static boolean stringEquals(String a, String b) {
 		if (a != null)
@@ -459,7 +466,7 @@ public class UPnP extends ControlPoint implements DeviceChangeListener {
 					if(portsForwarded.contains(port))
 						sb.append(" has been forwarded successfully by UPnP.\n");
 					else
-						sb.append(" has not been forwarded UPnP.\n");
+						sb.append(" has not been forwarded by UPnP.\n");
 				}
 			}
 		}

router/java/src/net/i2p/router/transport/UPnPManager.java

@@ -51,8 +51,9 @@ public class UPnPManager {
             Debug.on();  // UPnP stuff -> wrapper log
         }
         if (!_isRunning)
-            _upnp.runPlugin();
-        _isRunning = true;
+            _isRunning = _upnp.runPlugin();
+        if (!_isRunning)
+            _log.error("UPnP start failed - port conflict?");
     }
 
     public synchronized void stop() {

router/java/src/net/i2p/router/transport/udp/UDPTransport.java

@@ -126,6 +126,9 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
     /** allowed sources of address updates */
     public static final String PROP_SOURCES = "i2np.udp.addressSources";
     public static final String DEFAULT_SOURCES = "local,upnp,ssu";
+    /** remember IP changes */
+    public static final String PROP_IP= "i2np.lastIP";
+    public static final String PROP_IP_CHANGE = "i2np.lastIPChange";
 
     /** do we require introducers, regardless of our status? */
     public static final String PROP_FORCE_INTRODUCERS = "i2np.udp.forceIntroducers";
@@ -462,17 +465,18 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
 
         if (fireTest) {
             _context.statManager().addRateData("udp.addressTestInsteadOfUpdate", 1, 0);
-            _testEvent.forceRun();
-            SimpleTimer.getInstance().addEvent(_testEvent, 5*1000);
         } else if (updated) {
             _context.statManager().addRateData("udp.addressUpdated", 1, 0);
             if (!fixedPort)
                 _context.router().setConfigSetting(PROP_EXTERNAL_PORT, ourPort+"");
+            // store these for laptop-mode (change ident on restart... or every time... when IP changes)
+            _context.router().setConfigSetting(PROP_IP, _externalListenHost.getHostAddress());
+            _context.router().setConfigSetting(PROP_IP_CHANGE, "" + _context.clock().now());
             _context.router().saveConfig();
             _context.router().rebuildRouterInfo();
-            _testEvent.forceRun();
-            SimpleTimer.getInstance().addEvent(_testEvent, 5*1000);
         }
+        _testEvent.forceRun();
+        SimpleTimer.getInstance().addEvent(_testEvent, 5*1000);
         return updated;
     }
 
@@ -485,7 +489,7 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
         if (addr.length < 4) return false;
         if (isPubliclyRoutable(addr)) 
             return true;
-        return Boolean.valueOf(_context.getProperty("i2np.udp.allowLocal", "false")).booleanValue();
+        return Boolean.valueOf(_context.getProperty("i2np.udp.allowLocal")).booleanValue();
     }
     
     private boolean getIsPortFixed() {