From cf17176bfc0806c8b331ded8d3dcbc6e86e2b7d7 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@gns3.net>
Date: Wed, 12 Jul 2017 11:33:32 +0200
Subject: [PATCH] Fix recreate a link with dynamips

Fix #1122
---
 gns3server/compute/dynamips/nios/nio_udp.py |  2 ++
 gns3server/compute/dynamips/nodes/router.py | 14 ++++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/gns3server/compute/dynamips/nios/nio_udp.py b/gns3server/compute/dynamips/nios/nio_udp.py
index 106e3836..522b3c5a 100644
--- a/gns3server/compute/dynamips/nios/nio_udp.py
+++ b/gns3server/compute/dynamips/nios/nio_udp.py
@@ -92,6 +92,8 @@ class NIOUDP(NIO):
     @asyncio.coroutine
     def close(self):
         if self._local_tunnel_lport:
+            name = 'DYNAMIPS-{}-{}'.format(self._local_tunnel_lport, self._local_tunnel_rport)
+            yield from self._node.ubridge_delete_bridge(name)
             self._node.manager.port_manager.release_udp_port(self._local_tunnel_lport, self ._node.project)
         if self._local_tunnel_rport:
             self._node.manager.port_manager.release_udp_port(self._local_tunnel_rport, self._node.project)
diff --git a/gns3server/compute/dynamips/nodes/router.py b/gns3server/compute/dynamips/nodes/router.py
index f0a87a1b..e9a0fa47 100644
--- a/gns3server/compute/dynamips/nodes/router.py
+++ b/gns3server/compute/dynamips/nodes/router.py
@@ -1281,6 +1281,17 @@ class Router(BaseNode):
         yield from self.slot_enable_nio(slot_number, port_number)
         adapter.add_nio(port_number, nio)
 
+    @asyncio.coroutine
+    def slot_update_nio_binding(self, slot_number, port_number, nio):
+        """
+        Update a slot NIO binding.
+
+        :param slot_number: slot number
+        :param port_number: port number
+        :param nio: NIO instance to add to the slot/port
+        """
+        pass
+
     @asyncio.coroutine
     def slot_remove_nio_binding(self, slot_number, port_number):
         """
@@ -1313,8 +1324,7 @@ class Router(BaseNode):
         nio = adapter.get_nio(port_number)
         if nio is None:
             return
-        if isinstance(nio, NIOUDP):
-            self.manager.port_manager.release_udp_port(nio.lport, self._project)
+        yield from nio.close()
         adapter.remove_nio(port_number)
 
         log.info('Router "{name}" [{id}]: NIO {nio_name} removed from port {slot_number}/{port_number}'.format(name=self._name,