Use ubridge for dynamips routers

Ref #1109

gns3server/compute/dynamips/nodes/atm_switch.py

@@ -122,8 +122,8 @@ class ATMSwitch(Device):
     @asyncio.coroutine
     def close(self):
         for nio in self._nios.values():
-            if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport, self._project)
+            if nio:
+                yield from nio.close()
 
         if self._hypervisor:
             try:

gns3server/compute/dynamips/nodes/ethernet_hub.py

@@ -120,8 +120,8 @@ class EthernetHub(Bridge):
         """
 
         for nio in self._nios:
-            if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport, self._project)
+            if nio:
+                yield from nio.close()
 
         try:
             yield from Bridge.delete(self)

gns3server/compute/dynamips/nodes/ethernet_switch.py

@@ -216,8 +216,8 @@ class EthernetSwitch(Device):
         """
 
         for nio in self._nios.values():
-            if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport, self._project)
+            if nio:
+                yield from nio.close()
         self.manager.port_manager.release_tcp_port(self._console, self._project)
         if self._hypervisor:
             try:

gns3server/compute/dynamips/nodes/frame_relay_switch.py

@@ -121,8 +121,8 @@ class FrameRelaySwitch(Device):
     @asyncio.coroutine
     def close(self):
         for nio in self._nios.values():
-            if nio and isinstance(nio, NIOUDP):
-                self.manager.port_manager.release_udp_port(nio.lport, self._project)
+            if nio:
+                yield from nio.close()
 
         if self._hypervisor:
             try:

gns3server/compute/dynamips/nodes/router.py

@@ -388,8 +388,10 @@ class Router(BaseNode):
         for adapter in self._slots:
             if adapter is not None:
                 for nio in adapter.ports.values():
-                    if nio and isinstance(nio, NIOUDP):
-                        self.manager.port_manager.release_udp_port(nio.lport, self._project)
+                    if nio:
+                        yield from nio.close()
+
+        yield from self._stop_ubridge()
 
         if self in self._hypervisor.devices:
             self._hypervisor.devices.remove(self)